Re: Reading word at mouse pointer w/o Universal Access
I don't have specific knowledge but, yes, I would expect that the dictionary support is a trusted part of the OS, thus can be hooked into every application. As far as I know, if you want to touch another application's UI, you have to go through accessibility. From the OS's point of view yours is just another application, so it seems reasonable that the user should decide whether or not to allow your application to see what's going on in another. steve On Feb 28, 2008, at 5:33 PM, Ryan Homer wrote: Let me clarify that it doesn't seem to be the Dictionary application that's reading the word at the mouse pointer but rather the OS itself or some daemon, perhaps, when Ctrl-Option-D is pressed. It might be the process called DictionaryPanel that seems to always be running. Anyway, if anyone can point me to the appropriate functions/methods/ classes that might be involved in doing such a thing w/o the aforementioned techniques, please let me know. On 28-Feb-08, at 8:27 PM, Ryan Homer wrote: I've read this post (http://lists.apple.com/archives/accessibility- dev/2006/Aug/msg7.html) about using the accessibility options to read the text under the cursor. However, this requires that the user enable access for assistive devices in System Preferences. The application must therefore check for that. It also seems quite complicated; I don't want to have to deal with glyphs and the like - I only want the text under the cursor, full stop. The Dictionary application is able to read a word under the cursor without enabling access for assistive devices. Does anyone therefore know of an alternative way to do this? Thanks in advance. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Read jpeg comments from file?
On Apr 3, 2008, at 2:13 AM, Trygve Inda wrote:
If you just need to display the image, use an NSImage
(initWithContentsOfFile).
If you need a greater control over metadata, use the ImageIO API
(search CGImageSource in doc and sample codes).
This works and retrieves the user text that was embedded in the
image). Is
there a more Cocoa-way to do this ather than having to use
QuickTime and
FSSpecs?
I don't know about detaching from QuickTime, but you can at least get
rid of the FSSpec parts:
GraphicsImportComponent tGIC;
ComponentResult result;
UserData myUD;
Handle dataHandle;
CFStringRef cfString = nil;
FSReftheFSRef;
OSErrerr;
Handle dataRef;
OSType dataRefType;
CFURLGetFSRef ((CFURLRef) [NSURL fileURLWithPath:path], theFSRef);
result = QTNewDataReferenceFromFSRef(theFSRef, 0, dataRef,
dataRefType);
if (result == noErr)
{
result = GetGraphicsImporterForDataRef(dataRef, dataRefType,
tGIC);
if (result == noErr)
{
err = NewUserData(myUD);
if (!err)
{
result = GraphicsImportGetMetaData (tGIC, myUD);
if (result == noErr)
{
dataHandle = NewHandle (0);
if (dataHandle)
{
err = GetUserDataText (myUD, dataHandle, kUserDataTextComment,
1, 0);
if (!err)
{
HLock (dataHandle);
cfString = CFStringCreateWithBytes (kCFAllocatorDefault,
(UInt8 *)
(*dataHandle), GetHandleSize(dataHandle),
kCFStringEncodingMacRoman, false);
}
}
}
}
}
DisposeHandle(dataRef);
}
And a couple of other things I noticed:
- You could just use ComponentResult as your error/result variable
type since it handles a superset of OSErr values.
- You're not calling DisposeHandle(dataHandle).
steve
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Re: fileHFSCreatorCode fileAttributesAtPath:traverseLink on app bundles
On Apr 7, 2008, at 10:03 PM, Jens Alfke wrote:
On 7 Apr '08, at 8:11 PM, Mike wrote:
I need to get the creator code of my app's bundle without diving
into the bundle and reading the plist directly.
You're mixing up HFS creator codes with bundle identifiers, I think.
HFS creator codes are attributes of document files that identify
what app created them. They're 4-character codes like 'ttxt'.
They're not used much anymore in OS X, partly because most
filesystems don't support them. (Even if your app defines one, you
won't find any files inside the bundle with that creator code. It's
stored as a key in the Info.plist.)
Bundle identifiers look like com.mycompany.MyApp and are used to
identify applications in OS X. To get your app's bundle identifier,
use the NSBundle snippet someone already posted.
Although if, for some reason, the OP is looking for the classic
type and creator values (4-character OSType), you can also get them
directly using CF:
void GetBundleTypeCreator(CFURLRef bundleURL, OSType bundleType,
OSType bundleCreator)
{
bundleType = 0;
bundleCreator = 0;
CFBundleRef bundle = CFBundleCreate(kCFAllocatorDefault,
bundleURL);
if (bundle != NULL)
{
CFBundleGetPackageInfo(bundle, bundleType, bundleCreator);
CFRelease(bundle);
}
}
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Re: Finding running process on disk
On Apr 9, 2008, at 9:03 PM, Mike wrote: Is there a way to locate the bundle of a running process on disk from within the running process? You mean something like +[NSBundle mainBundle]? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Tips to deploy applications to multiple Mac OS X versions
On Apr 9, 2008, at 11:08 PM, Ben Lachman wrote:
On Apr 9, 2008, at 3:27 PM, David Duncan wrote:
On Apr 9, 2008, at 7:43 AM, Lorenzo Bevilacqua wrote:
I'm trying to build a Cocoa application so that it can run on Mac
OS X from version 10.3.9 to 10.5.
I have 10.5 installed so the application runs fine on my system
and on other Leopard systems.
I haven't build a project for multiple platforms yet, so I tried
to duplicate the main Xcode target and set different deployment
target settings like
Typically you would only use 1 target. Use the SDK to the OS whose
API your are targeting (such as the 10.5 SDK). Then set the
deployment target to the minimum version you wish to run on
(example, 10.3). Finally, you would do runtime checks for API
availability.
This is totally true. Multiple binaries make unhappy users. Of
course buggy cross-version binaries make unhappy users too.
- Is there a way to differentiate part of code by platform? I
remember I saw in some files lines like this
#if MACOSX_DEPLOYMENT_TARGET == MAC_OS_X_VERSION_10_4
#endif
is this correct?
This is a compile time check. Generally it is appropriate if you
plan to ship a binary with a specific compile-time dependency. It
sounds like you really want a run time check, which requires you
to check for the availability of the features you are trying to
use. How you check for this will depend on what you are doing to
some degree.
To elaborate:
Your code will have checks like this in it:
if( [someObject respondsToSelector:@selector
(niftyLeopardFeatureMethod:)] )
[someObject niftyLeopardFeatureMethod:anotherObject];
else
// handle the 10.4 and/or 10.3.9 case
Actually, what I find to be a better arrangement is something like this:
#if MACOSX_DEPLOYMENT_TARGET MAC_OS_X_VERSION_10_5
if (![someObject respondsToSelector:@selector
(niftyLeopardFeatureMethod:)])
{
// handle the pre-10.5 case here
}
else
#endif
{
// handle the 10.5+ case here
}
Picky, perhaps, but the benefit is that the check for existence of a
10.5 feature, plus the code that handles the older OS versions, is
inside a compile-time conditional. If you later change your
deployment target to 10.5, all the older OS pieces are compiled out.
You can also easily search your sources for
MACOSX_DEPLOYMENT_TARGET to find your legacy code.
One caveat, though, is that you should probably have a runtime check
for the minimum OS version you expect so that you don't end up with a
crash if someone tries to use your nifty Leopard features on Tiger.
Adding something to main() would probably be easiest, either checking
against NSAppKitVersionNumber or calling Gestalt() to get the OS
version.
steve
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how to manage multiple non-document windows
I'm rewriting an old legacy app in Cocoa and have run into a stumbling block. The app is supposed to support having multiple windows open, but the window content is unrelated to the concept of a document - which is the normal multiple window model. Instead the windows provide a UI to perform specific calculations, among other things. An example of what I'm looking for would be if you had a version of the Calculator application where you could create multiple calculator windows so you could leave several calculations open simultaneously, if that makes sense. When I start up the app, an instance of the window is created, but I can't figure out how to get it to repeat the process in response to selecting New from the File menu. I've found a bunch of info on multiple document windows, or a single non-doc window plus a preferences window, but nothing on instantiating multiple non- document windows. Did I just miss something basic, or is all of the magic really focused on NSDocumentController, etc.? steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: how to manage multiple non-document windows
On Apr 24, 2008, at 5:01 PM, Ken Thomases wrote: On Apr 24, 2008, at 6:39 PM, Steve Christensen wrote: I'm rewriting an old legacy app in Cocoa and have run into a stumbling block. The app is supposed to support having multiple windows open, but the window content is unrelated to the concept of a document - which is the normal multiple window model. Instead the windows provide a UI to perform specific calculations, among other things. An example of what I'm looking for would be if you had a version of the Calculator application where you could create multiple calculator windows so you could leave several calculations open simultaneously, if that makes sense. When I start up the app, an instance of the window is created, but I can't figure out how to get it to repeat the process in response to selecting New from the File menu. I've found a bunch of info on multiple document windows, or a single non-doc window plus a preferences window, but nothing on instantiating multiple non- document windows. Did I just miss something basic, or is all of the magic really focused on NSDocumentController, etc.? If you're going to instantiating a window from a nib multiple times, it should generally be in the nib by itself. Well, the nib can have other objects which accompany the window, like NSController subclasses. Then, you load the nib once for each window that you need to instantiate. It's quite helpful to use NSWindowController (or custom subclass) objects to manage each nib, its loading, and the resulting window. Typically, the NSWindowController is not contained in the nib. Rather it is instantiated to manage the loading of the nib from the outside. It is often the File's Owner of the nib. I put both the window and NSWindowController subclass in MainMenu.nib since some of the menu items control behavior in the window (and some of the window's current state is reflected in the menus. So I wouldn't think that you'd want to reload the nib for that case, right? I've tried using -[NSWindowController initWithWindowNibName:owner:] to create a new controller instance (in response to FileNew), figuring that it'd drag the associated window along, but the controller's _window ivar is nil, so obviously that's not working. Is it just going to be easier for me to go the NSDocument, etc., route and say that I have a document that I'm going to load (wink, wink) in order to better fit within what appears to be the expected multiple window model? I also just noticed that when I close one of these windows (configured with release on close), the controller still hangs around, but that's another issue... ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: how to manage multiple non-document windows
On Apr 25, 2008, at 12:45 PM, Erik Verbruggen wrote: On 25 Apr 2008, at 20:06, Steve Christensen wrote: I put both the window and NSWindowController subclass in MainMenu.nib since some of the menu items control behavior in the window (and some of the window's current state is reflected in the menus. So I wouldn't think that you'd want to reload the nib for that case, right? Yes, you will want to reload the nib to get a new window. However, no, you don't want that for the menu bar. So you should move the window to a different nib file. Unfortunately, that will give you the excitement of having to update the menu status according to the selected window: And if I move the window and window controller out of the main nib, I'm no longer given an option for targets associated with my window controller (the first responder doesn't list my controller IBActions) when trying to wire up all the menu items. This was likely why I just put them into the main nib in the first place. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: how to manage multiple non-document windows
On Apr 25, 2008, at 5:51 PM, Jean-Daniel Dupas wrote: Le 26 avr. 08 à 01:44, Steve Christensen a écrit : On Apr 25, 2008, at 12:45 PM, Erik Verbruggen wrote: On 25 Apr 2008, at 20:06, Steve Christensen wrote: I put both the window and NSWindowController subclass in MainMenu.nib since some of the menu items control behavior in the window (and some of the window's current state is reflected in the menus. So I wouldn't think that you'd want to reload the nib for that case, right? Yes, you will want to reload the nib to get a new window. However, no, you don't want that for the menu bar. So you should move the window to a different nib file. Unfortunately, that will give you the excitement of having to update the menu status according to the selected window: And if I move the window and window controller out of the main nib, I'm no longer given an option for targets associated with my window controller (the first responder doesn't list my controller IBActions) when trying to wire up all the menu items. This was likely why I just put them into the main nib in the first place. You can add methods and Outlet manualy to a class in IB. In the Identity tab of the inspector, there is the class name, and the list of methods and outlets, both with a +button. Add your methods to the first responder and then you will ba able to bind them. That did it! Thank you so much for the pointer. steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: FSCopyObjectASync Not Calling Callback In Cocoa
I noticed in some sample code (http://developer.apple.com/samplecode/
FSFileOperation/listing1.html), that after creating the
FSFileOperationRef, it calls FSFileOperationScheduleWithRunLoop,
specifying the current run loop. Just a guess that you're probably
not making that association so the callback is never being called.
On Apr 30, 2008, at 5:42 PM, Matt Long wrote:
I execute this code and it successfully copies my file from source
to destination:
- (IBAction)startCopy:(id)sender;
{
FSFileOperationRef fileOp = FSFileOperationCreate(NULL);
FSRef source;
FSRef destination;
FSPathMakeRef( (const UInt8 *)[[sourceFilePath stringValue]
cStringUsingEncoding:NSUTF8StringEncoding], source, NULL );
Boolean isDir = true;
FSPathMakeRef( (const UInt8 *)[[destinationFilePath
stringValue] cStringUsingEncoding:NSUTF8StringEncoding],
destination, isDir );
OSStatus status = FSCopyObjectAsync (fileOp,
source,
destination,
NULL,
kFSFileOperationDefaultOptions,
statusCallback,
1.0,
NULL);
CFRelease(fileOp);
if( status )
NSLog(@Status: %@, status);
}
status returns with no error. However my callback never gets
called. Here's the callback.
static void statusCallback (FSFileOperationRef fileOp,
const FSRef *currentItem,
FSFileOperationStage stage,
OSStatus error,
CFDictionaryRef statusDictionary,
void *info
)
{
[snip]
}
Any idea why?
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Re: List Running apps and windows
On May 3, 2008, at 3:52 PM, Jere Gmail wrote: I want to list all the running apps and their windows. Running apps is easy with [ws launchedApplications] but I cant find a way for listing their windows. I have tried NSWindowList(win_count,arr_win) but then [[NSApplication sharedApplication] windowWithWindowNumber:arr_win[i]] in a bucle will give me no info on windows from other apps. Can anyone help? Thanks Each application has its own private address space, so including another app's windows in your app's window list doesn't make sense. The only way to find out about other app's windows is to have the user enable accessibility in System Preferences. This has already been discussed in detail here and on other lists. You might try doing a search to see what's already been said. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: regarding fxPlug plugins
On May 8, 2008, at 7:10 AM, Shashi Kumar wrote: I am new to fxplug. And I wanted to create an fxplug plugin from a cocoa application. What should be the right way to do this ? I have fxPlug SDK installed. The specification is: I have an cocoa application with UI having effects and image. And I want to create fxplug as output on any button event. OR How can I create a fxplug as output with cocoa application. And I don't wanna use Xocde template for fxplug. That fxplug should get created by cocoa or carbon application. Can anyone explain it in simple and step wise manner giving some links and hints. Your description above didn't make it clear to me exactly what you want to do, but here's I understood it: I want to create a Cocoa application that will allow a user to define an effect. When the user pushes a button in the UI, the application will then create a FxPlug plugin that will implement the effect. Is that correct? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: regarding fxPlug plugins
I don't know what FxFactory does to create custom effects, and I don't know that there is a preferred solution to your problem. That method is not the typical way that plugins are created. You can certainly write code that will assemble the expected FxPlug bundle pieces, which should be very straightforward. There are a few items that you will need to deal with on a per-plugin basis, though: 1. You will need to create a uniquely-named effect class (based upon FxFilter, FxGenerator or FxTransition) to execute the effect in the plugin. This is because Objective-C registers each class name at runtime, so if you create two plugins that use the same class name, the first-loaded plugin's class will be used by the second plugin. 2. For each plugin you will need to generate a pair of UUIDs, one to associate with the plugin and one with its group in the plugin's Info.plist file. You'll also need to store the plugin's class name in the Info.plist file. As far as the code to actually do this, I leave that as an exercise for the reader. You should definitely read up on the FxPlug API and rendering documentation so you know how plugins work. On May 8, 2008, at 8:39 PM, Shashi Kumar wrote: Yes this exactly what I want. And I think this is the thing which FxFactory application do, as far I understood. So, could you give me the solution for this with explanation. --- On Thu, 5/8/08, Steve Christensen [EMAIL PROTECTED] wrote: From: Steve Christensen [EMAIL PROTECTED] Subject: Re: regarding fxPlug plugins To: cocoa-dev@lists.apple.com Cc: [EMAIL PROTECTED] Date: Thursday, May 8, 2008, 4:41 PM On May 8, 2008, at 7:10 AM, Shashi Kumar wrote: I am new to fxplug. And I wanted to create an fxplug plugin from a cocoa application. What should be the right way to do this ? I have fxPlug SDK installed. The specification is: I have an cocoa application with UI having effects and image. And I want to create fxplug as output on any button event. OR How can I create a fxplug as output with cocoa application. And I don't wanna use Xocde template for fxplug. That fxplug should get created by cocoa or carbon application. Can anyone explain it in simple and step wise manner giving some links and hints. Your description above didn't make it clear to me exactly what you want to do, but here's I understood it: I want to create a Cocoa application that will allow a user to define an effect. When the user pushes a button in the UI, the application will then create a FxPlug plugin that will implement the effect. Is that correct? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: how to create .qtz file from custom cocoa app
On May 12, 2008, at 6:30 AM, Shashi Kumar wrote: I am looking for an cocoa app through which I can create .qtz file. The cocoa app will be having UI in which i 'll implement some effects on image. Now, lets say I 've a button export. When I 'll click export button, it should get saved as .qtz file. And I should be able to open it using quartz composer or 'll be able to render it in openGL. That Cocoa app would be Quartz Composer. I don't believe there is any API that will allow you to create a .qtz file programmatically. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: list open application windows
On May 12, 2008, at 8:15 PM, Ben Lowndes wrote: I'm a cocoa newbie, so I may be missing something obvious here: I'd like to get a list of open windows for all currently running applications. I've been able to get the list of running applications from NSworkspace, but can't see a method of getting the open windows. Using appleScript I seem to be able to reference them all but I'm wondering if there's a cocoa method? This is a popular topic that has been discussed a lot here on this (and other) lists, so it would be a good idea to do some searching. In general, you can only directly reference windows in your own process. There are methods of getting some access to windows in other processes via the accessibility APIs, and someone here mentioned recently about a new Leopard-only method but I can't remember what it is off the top of my head. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: how to create .qtz file from custom cocoa app
On May 12, 2008, at 9:03 PM, Shashi Kumar wrote: Is it not possible that from UI, I will generate XML file which will be kind of PList file of .qtz file containing tree list of its properties. And from that XML file we will create .qtz file ?? And, no, there isn't a Cocoa API that will effectively compile an XML file into a .qtz file. So as I said before, my understanding is that the only way you can create a .qtz file is by using the Quartz Composer application. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: How to tell if iTunes is running.
My version wasn't about using the path for something else; it was
only about providing a method that doesn't care what the iTunes
application is called. For example, if someone were to rename it
iTunes 7.6.2, then your version would stop working.
However, as Thomas Engelmeier pointed out in a separate message,
Apple doesn't currently localize the names of its iApps so you're
probably safe.
On May 24, 2008, at 12:17 PM, Mr. Gecko wrote:
because I do not need the path for what I am doing.
On May 24, 2008, at 2:05 PM, Steve Christensen wrote:
Would something like this work better? It should deal with
localization or if the user renames iTunes for some reason.
iTunesIsOpen = NO;
NSWorkspace* workspace = [NSWorkspace sharedWorkspace];
NSString* iTunesPath = [workspace
absolutePathForAppBundleWithIdentifier:@com.apple.iTunes];
NSArray* lApplications = [workspace launchedApplications];
int lAppsCount = [lApplications count];
int a;
for (a = 0; a lAppsCount; a++)
{
NSDictionary* applicationD = [lApplications objectAtIndex:a];
if ([[applicationD objectForKey:@NSApplicationPath]
isEqualToString:iTunesPath])
{
iTunesIsOpen = YES;
break;
}
}
[iTunesLMenu setTitle: NSLocalizedString(iTunesIsOpen ? @Quit
iTunes : @Launch iTunes,@)];
On May 24, 2008, at 8:29 AM, Mr. Gecko wrote:
Thanks I am using this
iTunesIsOpen = NO;
[iTunesLMenu setTitle: NSLocalizedString(@Launch iTunes,@)];
NSArray *lApplications = [[NSWorkspace sharedWorkspace]
launchedApplications];
int a;
for (a=0; a[lApplications count]; a++) {
NSDictionary *applicationD = [lApplications objectAtIndex:a];
if ([[applicationD objectForKey:@NSApplicationName]
isEqualToString:@iTunes]) {
iTunesIsOpen = YES;
[iTunesLMenu setTitle: NSLocalizedString(@Quit iTunes,@)];
}
}
On May 23, 2008, at 5:07 PM, Nick Zitzmann wrote:
On May 23, 2008, at 4:01 PM, Mr. Gecko wrote:
How can I tell if iTunes is running with cocoa.
In this particular case, you should be able to get that
information using -[NSWorkspace launchedApplications]...
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Re: How to tell if iTunes is running.
On May 24, 2008, at 2:11 PM, Jens Alfke wrote: On 24 May '08, at 12:05 PM, Steve Christensen wrote: Would something like this work better? It should deal with localization or if the user renames iTunes for some reason. ... if ([[applicationD objectForKey:@NSApplicationPath] isEqualToString:iTunesPath]) It would be simpler just to use the NSApplicationBundleIdentifier key, comparing it with com.apple.iTunes. I didn't see that in the headers but it is in the docs. Yes, that'd work better. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: drawer attached to modal window is unresponsive
I dumped the items in the drawer so they wouldn't take up real estate unless needed since they can be on the bulky side. I ended up scrapping the drawer and just putting the items in the window itself. Bigger window but fewer issues. Thanks... steve On May 30, 2008, at 1:16 PM, Andrew Merenbach wrote: * PGP Signed by an unverified key: 05/30/08 at 13:16:53 Hi, Steve! My experience is that drawers have always been buggy -- and drawers have had issues with Garbage Collection, too, under Leopard (although I haven't tested any drawers in a GC app since I upgraded from 10.5.2 to to 10.5.3 the other day). Also, I've read on this list that drawers confuse people, and *some* might even call them poor UI. There are alternatives for some situations, in my opinion, such as child/parent window pairings, inspector utility windows, and controls in toolbars. That said, I don't have an exact answer for your main issue -- I think that someone else will likely have one that will solve it -- but in response to your last question, I would personally give up on the drawer. They've been nothing but trouble -- which is perhaps why Apple has all but dumped them in their own programs -- Mail.app's sidebar, for instance, is now a source list in the main window, instead of being in a drawer. Cheers, Andrew On May 30, 2008, at 12:55 PM, Steve Christensen wrote: I'm working on a plugin that needs to do some involved setup, and I'm handling this in a modal window since the setup has to be done in an atomic fashion. The window also has an attached drawer. What I'm finding is that I can open and close the drawer, and a table view in the drawer will scroll if I move a scroll wheel while the mouse is over the table, but if I click on any of the controls in the drawer, I just hear a beep instead of having something useful happen. Is this expected behavior? Is there any way to allow the drawer to process user events or should I give up on the drawer? steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Why does this https post request always return 404 Not Found
Hmmm... Google not working? - http://del.icio.us/help/thirdpartytools lists the APIs for a variety of programming languages at the bottom of the page. - http://www.scifihifi.com/cocoalicious/ is an open source Cocoa del.icio.us client, so you should be able to see what they did. On Jun 21, 2008, at 10:14 PM, an0 wrote: Cool, it works. Thanks a lot. But as to APIs, I really can't find the login API, or I would of course use that instead of posting forms. Can you tell me where the login API is? On Sun, Jun 22, 2008 at 6:32 AM, Jens Alfke [EMAIL PROTECTED] wrote: This is pretty weird. After some experimenting, I narrowed it down to the value of the User-Agent header. I think the del.icio.us server is checking that header and returning a 404 if it doesn't like it. And it doesn't seem to like CFNetwork's default user-agent header, though it likes Safari and curl. You can programmatically set the User-Agent header value to Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_3; en-us) AppleWebKit/525.18 (KHTML, like Gecko) Version/3.1.1 Safari/525.20 and the result should work. On the other hand, why are you trying to log into del.icio.us using forms and cookies as though you were a web browser? That site already has a pretty comprehensive API for applications to access it; you should use that instead. (That may in fact be what they're trying to tell you by blocking your request.) ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [Moderator] List Guidelines - Must Read
On Jun 27, 2008, at 8:25 AM, Devon Ferns wrote: I agree. It's not like what's in the SDK is super secret. Anyone can download it. Yeah, anyone can download it, but in order to download it, you have to go through the process of accepting a license agreement that includes a NDA restriction. And if people honor the NDA then the contents of the SDK are, in fact, super secret because only the people bound by the NDA know what's in the SDK. This is how it works in business. If you want to use somebody else's stuff, you often have to agree that what they tell you stops with you (or your company). If you violate the agreement, at the very least they won't be doing business with you again because you'll have a reputation of not being trustworthy. Ultimately it comes down to how good your word is... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Trying to display a static image on my window. Any tips would be great
On Jul 1, 2008, at 6:41 AM, Papa-Raboon wrote: I have been trying to get a static image to display in a corner of my window and it has to literally just sit there and do nothing however I have searched and searched Apple's dodumentation but no success yet. I have dropped an Image View onto the window in IB and set the following in my .h file in Xcode: IBOutlet NSImageView *theImage; Then in my .m file I have this so far: NSString *imageName; NSImage *tempImage; imageName = [[NSBundle mainBundle] pathForResource:@logo ofType:@PNG]; tempImage = [[NSImage alloc] initWithContentsOfFile:imageName]; My image is set in my project in the resources folder and is called logo.png and I hooked up the object to the NSImageView using IB. Can't seem to get it to display. I believe I have a line of code missing that will tie my MSImage to my NSImageView but not sure how. Any Ideas please? I'm pretty new to cocoa and don't understand all the lingo yet so be gentle please. This is just a static image from your application's bundle, so you should be able to do everything in IB without writing any code. After dragging a NSImageView into your window, open the Inspector window if it's not already open. Then set attributes Image=logo (Cocoa will figure out the file's extension), Border=none, Scale: to fit. Select Size from the inspector's popup menu and set the size to the image's size. Depending on where the image will be in your window, you may need to set the autosizing struts and springs right below the size info. You can find out if it stays in the correct place when your window resizes by selecting Test Interface from the File menu (command-R). steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Trying to display a static image on my window. Any tips would be great
If you add an IBAction method to your window controller's class, it can respond to a click on the image by calling [[NSWorkspace sharedWorkspace] openURL:@http://www.apple.com;]; On Jul 1, 2008, at 9:09 AM, Papa-Raboon wrote: Thanks loads for that Steve. It seems to be doing as I wanted now. Someone kindly pointed out that if I created my image with an Alpha chanel that it could also have transparencies too which worked beautifully. I just need to figure out how to hyperlink it so it can open a URL in a browser now. Cheers Paul 2008/7/1 Steve Christensen [EMAIL PROTECTED]: On Jul 1, 2008, at 6:41 AM, Papa-Raboon wrote: I have been trying to get a static image to display in a corner of my window and it has to literally just sit there and do nothing however I have searched and searched Apple's dodumentation but no success yet. I have dropped an Image View onto the window in IB and set the following in my .h file in Xcode: IBOutlet NSImageView *theImage; Then in my .m file I have this so far: NSString *imageName; NSImage *tempImage; imageName = [[NSBundle mainBundle] pathForResource:@logo ofType:@PNG]; tempImage = [[NSImage alloc] initWithContentsOfFile:imageName]; My image is set in my project in the resources folder and is called logo.png and I hooked up the object to the NSImageView using IB. Can't seem to get it to display. I believe I have a line of code missing that will tie my MSImage to my NSImageView but not sure how. Any Ideas please? I'm pretty new to cocoa and don't understand all the lingo yet so be gentle please. This is just a static image from your application's bundle, so you should be able to do everything in IB without writing any code. After dragging a NSImageView into your window, open the Inspector window if it's not already open. Then set attributes Image=logo (Cocoa will figure out the file's extension), Border=none, Scale: to fit. Select Size from the inspector's popup menu and set the size to the image's size. Depending on where the image will be in your window, you may need to set the autosizing struts and springs right below the size info. You can find out if it stays in the correct place when your window resizes by selecting Test Interface from the File menu (command-R). steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: How to converting a Carbon nib to Cocoa?
This question was asked recently on the carbon-dev list and the answer was that there is no way to automate the process, nor even a method to get you part-way. Unfortunately this is likely to be one of those painful transitions for you... On Jul 2, 2008, at 8:31 PM, Fosse wrote: It would be a nightmare to recreate them by hand... , especially for the big project which needs to move to Cocoa.. No better method? On Mon, Jun 30, 2008 at 3:37 AM, Christopher Pavicich [EMAIL PROTECTED] wrote: Hi: There is no way to automatically convert a Carbon Interface Builder Document into a Cocoa Interface Builder Document. You are going to need to recreate all of your Carbon dialogues in Cocoa. By hand. --Chris On Jun 29, 2008, at 1:59 AM, Fosse wrote: My Carbon nib contains a lot of dialogs. I want to make it be used by another cocoa application and don't want to create all those dialogs and econstruct the entire control hierarchy manually in the Interface Builder. I don't care about connections, I'll wire them up myself. I'm just hoping to avoid repeating the layout work. The Cocoa nib uses binary file objects.nib which is different with the xml file used byCarbon nib . I can't find any way to convert it with either Interface Builder or nibtool. Does anyone know of an automated method for doing the conversion? Or method to create Cocoa NIB without using Interface Builder? I found two related questions here but no more answers.. http://lists.apple.com/archives/cocoa-dev/2001/Jul/msg00243.html http://lists.apple.com/archives/carbon-development/2003/Aug/ msg00161.html Thanks a lot! ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Does this caution need fixed? (newb)
On Jul 3, 2008, at 9:40 AM, Chris Paveglio wrote: Also, should my code be caution free as a sign of clean coding or can some cautions that don't affect functionality be dismissed? I'm one of those people who turns on just about every warning and then fixes the code that generates the warnings. Yeah, I might need to do more work up front, but I'd rather know what the compiler is thinking than have to later suffer a hard-to-track bug due to a case of late-night coding... :) steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: iPhone: Implementing search and index combo, like Contacts?
On Jul 15, 2008, at 7:48 AM, Michael Dupuis wrote: I'm assuming the NDA has been lifted now... Nope, still under NDA, as mentioned a few days ago: From: Cocoa Dev Admins [EMAIL PROTECTED] Date: July 10, 2008 7:01:39 PM PDT To: Cocoa-Dev List cocoa-dev@lists.apple.com Subject: [Moderator] iPhone SDK is still under NDA - Do not discuss openly. Until an announcement is made otherwise, developers should be aware that the iPhone SDK is still under non-disclosure. It can't be discussed here, or anywhere publicly. This includes other mailing lists, forums, and definitely blogs. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Detecting platform architecture within Cocoa app?
On Jul 29, 2008, at 12:56 PM, Jack Skellington wrote: Is there a way to determine if an App is running on Intel or PPC from within the App? Depending on what you're trying to do, you can go at least a couple routes at build time. If you only care about endianness: #ifdef __BIG_ENDIAN__ #ifdef __LITTLE_ENDIAN__ If you care about the actual architecture: #ifdef __ppc__ // 32-bit PPC #ifdef __ppc64__// 64-bit PPC #ifdef __i386__ // 32-bit Intel #ifdef __x86_64__ // 64-bit Intel There are also parallel ones defined in /usr/include/ TargetConditionals.h: #if TARGET_RT_LITTLE_ENDIAN #if TARGET_RT_BIG_ENDIAN #if TARGET_CPU_PPC #if TARGET_CPU_PPC64 #if TARGET_CPU_X86 #if TARGET_CPU_X86_64 ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Checking for hackintosh
On Jul 30, 2008, at 8:55 AM, Tim McGaughy wrote: On Jul 29, 2008, at 9:22 PM, John Joyce wrote: Does anybody have a means or a tool for checking for hackintoshes? I really don't approve of such things and would like to leave clever messages on my own software if it is run on a hackintosh. What's a hackintosh? A Windows PC that has been hacked to some extent so as to be able to install OS X. I didn't actually know myself, but Google is your friend. It looks like you first muck with the BIOS to make the PC friendlier to the OS installer and the OS itself, then away you go. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: My own listbox
On Aug 2, 2008, at 3:52 AM, Vitaly Ovchinnikov wrote: Is it possible to get rid of blue focus border for NSTableView when I select it? In IB's inspector window, one of NSTableView's attributes is Focus Ring. Just set it to none. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Accessing member variables from another thread crashes
On Aug 9, 2008, at 5:24 PM, Dennis Harms wrote:
I've created a class with some member variables of type NSString*.
In the
init function of the class, I write something into those strings.
Now I call
a function of the initialized class instance as a new thread and
try to read
from those member variables. This leads to a crash... Can someone
give me a
hint as to why this won't work?
Here's my code, shrunk down to just the problematic part:
-- MyClass.h -
@interface MyClass: NSObject
{
@private
NSString* baseURL;
}
- (id) initWithHost: (NSString*) _url;
- (void) doSomething: (id) object;
@end
--
-- MyClass.m -
@implementation MyClass
- (id) initWithHost: (NSString*) _url
{
self = [super init];
baseURL = [NSString stringWithString: _url];
One thing I notice right off is that you're initializing an instance
variable using a method that creates an autoreleased string, which
will go away next time through the application's event loop. How
about baseURL = [_url retain]; instead? If the string pointed to by
_url is really immutable, you just need to increment the retain count
so it'll continue to exist for the lifetime of your object (and then
be sure to call [_url release] in your object's dealloc method so you
don't leak memory).
return self;
}
- (void) doSomething: (id) object
{
NSString *url = [NSString stringWithString: baseURL]; // --
the crash
occurs even when just reading the member
You might check that baseURL is still valid just before executing
this statement when you have your app set up to execute this in other
than the main thread. Making the change, above, will likely fix the
crash.
Also, why are you calling -stringWithString: here? You already have a
perfectly good string in baseURL. Use it directly.
}
@end
--
I've tried calling the function in the same thread, as well as three
different ways of calling it in a seperate thread. Every time there's
another thread involved, it crashes when accessing the member
variable. If
the function doesn't access any members, the code works just fine...
instance = [[MyClass alloc] initWithHost: txtHost.text];
[instance doSomething: nil]; // Works
[instance performSelectorInBackground: @selector(doSomething:)
withObject:
nil]; // Doesn't work
[[[NSThread alloc] initWithTarget: instance selector:
@selector(doSomething:) object: nil] start]; // Doesn't work
[NSThread detachNewThreadSelector: @selector(doSomething:) toTarget:
instance withObject: nil]; // Doesn't work
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Re: Monospaced Simulated Braille
For the time being I suppose you could query the Braille font for its maximum character width, then draw each character in a string individually, centering it horizontally within a rectangle that has the maximum width. That would mean manually advancing each character's position on a line and handling wrapping, but it might get you there. This solution would also have the benefit of just working if the Braille font is later fixed to be monospace. On Aug 11, 2008, at 6:31 PM, Deborah Goldsmith wrote: The Braille characters should probably be monospace. Please write a bug. On Aug 8, 2008, at 2:11 PM, James Jennings wrote: I want to display and edit simulated Braille. OS X has had Braille fonts since Tiger, so all I need to do is pass the correct Unicode codes to NSTextView, except the Braille fonts are proportional spaced, and I need monospaced. There is a Unicode entity called BRAILLE PATTERN BLANK which could double as a space, except that NSTextView doesn't treat it as white space. It's not used for finding word breaks. I've been looking for solutions along the lines of: Override the character spacing of a font, or Override the definition of white space, or Override the word break algorithm. but I haven't found documentation for any of that. Any suggestions? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Preventing windows from being dragged
Kinda hair-trigger on the defensiveness, dontcha think, especially since Andrew didn't actually say you were wrong? The great majority of Mac applications do not run in kiosk mode so for most cases preventing window movement *is* wrong because you take control away from the user. Had you first mentioned that you were building a kiosk app - a vital piece of info - you might've received what you considered to be useful replies right off the bat. Or to quote the Xcode list's monthly reminder, For a great introduction to asking technical questions on a mailing list, see “How To Ask Questions The Smart Way” by Eric Steven Raymond at http://catb.org/ ~esr/faqs/smart-questions.html. On Aug 21, 2008, at 7:43 PM, Mike wrote: What I am doing is definitely not wrong. My application is a kiosk application, I put up shielding windows on all attached monitors, and I enter kiosk mode. I then have a totally black display with a single window - mine - which is the size of the main display but which I want to be immovable. I suggest you familiarize yourself with OS X's kiosk mode and Core Graphics' shielding windows before you go telling people they are wrong. What I am doing is no more wrong than a game developer taking over the display. In fact, you're a time-waster because instead of helping people, all you can do is tell them you're wrong without providing any kind of solution (and without even knowing what you are talking about). If you don't have the ability to help people, then please refrain from polluting the mailing lists with time-wasting nonsense. Mike Andrew Merenbach wrote: Hi, Mike, Unfortunately, I'm not sure as to the exact answer to your question. Do bear in mind, however, that -- even if there is a way -- you'll have to take into account that the user might very well switch Spaces, rendering your window no longer visible. While I won't tell you right-off-the-bat that what you're doing is wrong, as you probably have a good reason for doing what you ask, may I enquire: what exactly are you attempting to do? Helping everyone to understand your situation might help everyone in helping you. :) Best, Andrew On Aug 21, 2008, at 6:10 PM, Mike wrote: Is there any way to prevent a Cocoa window from being dragged while it is onscreen? Thanks, Mike ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Preventing windows from being dragged
On Aug 21, 2008, at 8:31 PM, Kyle Sluder wrote: On Thu, Aug 21, 2008 at 11:18 PM, Steve Christensen [EMAIL PROTECTED] wrote: The great majority of Mac applications do not run in kiosk mode so for most cases preventing window movement *is* wrong because you take control away from the user. Hold on, I don't agree with that. Taking control away from the user is wrong except in situation where it's right, in which case you typically want something like a kiosk. The way you've phrased it seems like you're claiming that kiosk mode is wrong on its face. Sorry, I thought I had been clear. The OP had written that he wanted to prevent a window from moving without providing the critical detail that he was writing a kiosk application, and some of the replies reflected that. If you have a good reason for taking over the screen (kiosk app, full-screen game, animated desktop background, slideshow/ presentation mode in a regular app, etc.), I think it's perfectly fine to use a window that doesn't move. If you're writing a regular app, the user should be able to arrange windows as s/he sees fit. My two cents... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Window widgets
One thing to point out is that there is no guarantee that those window widgets will continue to be red, yellow and green dots in a future OS release. Or that someone won't patch - standardWindowButton:forStyleMask: as part of a haxie for skinning the UI, in which case you could end up with some bizarre-looking status images. I would suggest either tracking down a set of images you like and then include them in your app's bundle, or rolling your own. Fewer chances for surprises that way. steve On Oct 17, 2008, at 10:23 AM, Andre Masse wrote: Oh yeah! Looks like its exactly what I need! Thanks a lot, Andre Masse On Oct 17, 2008, at 13:07, Andy Lee wrote: Does this help? standardWindowButton:forStyleMask: --Andy On Oct 17, 2008, at 12:46 PM, Andre Masse wrote: Hi all, I want to use the same widgets as the OS uses for its windows (red, yellow and green dots) for a status bar in my application, like IB does to indicate sync status with XCode. This is to reflect the connection status (red == not connected, green connected etc.) in mine. Is there a direct access to these widgets? They're not in NSImage constants. I've poke in IB's nib to steal them but no luck ;-) I could roll out my own but would prefer using those provide by the OS. Thanks and have a good day, Andre Masse ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Window widgets
On Oct 17, 2008, at 10:52 AM, Kyle Sluder wrote: On Fri, Oct 17, 2008 at 1:41 PM, Steve Christensen [EMAIL PROTECTED] wrote: I would suggest either tracking down a set of images you like and then include them in your app's bundle, or rolling your own. Fewer chances for surprises that way. If you want the widgets that are in the upper-left corner of the screen, then this is precisely what you should not do. +standardWindowButton:forStyleMask: is THE way to get the standard window controls. Mimicking them yourself is wrong. The OP's request was for a way to get ahold of the red, yellow and green dots used (currently) as window widgets so that he could use them as status images: I want to use the same widgets as the OS uses for its windows (red, yellow and green dots) for a status bar in my application, like IB does to indicate sync status with XCode. This is to reflect the connection status (red == not connected, green connected etc.) in mine. Thus I feel that my comment was correct: He shouldn't rely on the current look of those widgets when he's using them in a context other than for which they were intended. steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On Oct 19, 2008, at 5:50 AM, Benjamin Dobson wrote: I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. Please excuse me if I missed something earlier in the thread, but my understanding of TIFFs (and PNGs and JPEGs) is that they're all purely raster formats. Thus, how does saving a TIFF as a PDF get you resolution independence? (At least that's what I read you to be saying.) steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Bind button title to Boolean
On Oct 27, 2008, at 3:32 AM, Trygve Inda wrote:
How can I bind a button title to a Boolean but have a custom title
for each
state? For example, I have a BOOL isRunning, if YES, my button
should read
Stop Running else Start Running.
I can't really do this with an alternate title since when the
button is
pushed and temporarily held down, the title should not change as it
is a
normal push pill button.
How about something like this? Whenever isRunning changes, it
triggers an update of the button's title.
+ (void) initialize
{
...
[self setKeys:[NSArray arrayWithObject:@isRunning]
triggerChangeNotificationsForDependentKey:@buttonTitle];
...
}
- (NSString*) buttonTitle
{
return [self isRunning] ? @Stop Running : @Start Running;
}
- (BOOL) isRunning
{
return _isRunning;
}
- (void) setIsRunning:(BOOL)isRunning
{
[self willChangeValueForKey:@isRunning];
_isRunning = isRunning;
[self didChangeValueForKey:@isRunning];
}
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Re: Transparent image
Something similar to what you're asking was discussed on this list last week. To get you started: [window setOpaque:NO]; [window setBackgroundColor:[NSColor colorWithCalibratedWhite:1.0 alpha:0.5]]; On Feb 9, 2009, at 1:55 PM, Christian Graus wrote: I have a window with an image showing on it. Above this I have a window, which contains an IKImageView derived class. The IKImageView has a PNG in it, which has a transparency layer. What I need to do, is to make that image appear above the image I have in my main window, that is, the control needs to be transparent, so that one picture appears above another. I've found a sample that sets the window alpha, but that fades the whole window, I just want to make the background transparent. I'd appreciate any suggestions. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Transparent image
Sorry, I misread your original posting. You're trying to make the view transparent, not the window. Based on what you're seeing when you set the view's backgroundColor, it looks like the alpha component is being ignored. I would guess that either the IKImageView only supports an opaque background or you need to play with it some more to get transparency to work. One way to find out would be to subclass IKImageView and override NSView's isOpaque method, returning NO. Also, depending on what you're trying to do, you could always use NSImageView since that does respect transparency, at least when I've tried it with the non-bordered version. On Feb 9, 2009, at 3:10 PM, Christian Graus wrote: I'm sorry, I'm not sure that I'm following this. Looking at it more closely, on the side I want this behaviour, it's just an IKImageView derived class on top of a window. So, I just need to make the IKImageView show the image, transparently. I've tried setting the Opaque setting, but it doesn't appear to have one. I've also tried setting the background color to what you've shown here ( it gives me a white background ) or clearColor ( which gives me a black background ). Is there something I am missing ? Thanks for your help Christian On Tue, Feb 10, 2009 at 9:18 AM, Steve Christensen puns...@mac.com wrote: Something similar to what you're asking was discussed on this list last week. To get you started: [window setOpaque:NO]; [window setBackgroundColor:[NSColor colorWithCalibratedWhite:1.0 alpha:0.5]]; On Feb 9, 2009, at 1:55 PM, Christian Graus wrote: I have a window with an image showing on it. Above this I have a window, which contains an IKImageView derived class. The IKImageView has a PNG in it, which has a transparency layer. What I need to do, is to make that image appear above the image I have in my main window, that is, the control needs to be transparent, so that one picture appears above another. I've found a sample that sets the window alpha, but that fades the whole window, I just want to make the background transparent. I'd appreciate any suggestions. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to get the white shadow effect when drawing NSStrings?
It seems like the best solution would be to handle both the Leopard+
and pre-Leopard cases at runtime so any changes to HID over time are
non-issues since you've limited the custom code to the pre-Leopard
case. You might be able to get away with as little as adding a
category to NSCell (typed in Mail so this hasn't been tested):
@implementation NSCell (MyRaisedBackgroundStyle)
- (void)useRaisedBackgroundStyle
{
#if MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_5
if (floor(NSAppKitVersionNumber) = NSAppKitVersionNumber10_4)
{
NSMutableAttributedString* text =
[[[NSMutableAttributedString alloc] initWithAttributedString:
[self attributedStringValue]] autorelease];
NSShadow* shadow = [[[NSShadow alloc] init] autorelease];
[shadow setShadowColor:[NSColor colorWithCalibratedWhite:1.0
alpha:0.5]];
[shadow setShadowOffset:NSMakeSize(0.0, -1.5)];
[shadow setShadowBlurRadius:0.0];
[text addAttribute:NSShadowAttributeName value:shadow
range:NSMakeRange(0, [text length])];
[self setAttributedStringValue:text];
}
else
#endif
{
[self setBackgroundStyle:NSBackgroundStyleRaised];
}
}
@end
You'd need to call this method after the cell's text has been
initialized/modified, which could just be done in -awakeFromNib for
static text. If you wanted to get fancy, you could write a custom
cell class that does all of the above whenever any of the text
attributes are changed.
steve
On Feb 22, 2009, at 2:38 PM, Ken Ferry wrote:
Yes, I'm sure. :-) You won't get the subpixel font smoothing right, if
nothing else.
Also, the other method tracks whatever the current human interface
design is
for text on a raised surface.
-Ken
On Sun, Feb 22, 2009 at 2:16 PM, Graham Cox
graham@bigpond.com wrote:
On 23/02/2009, at 4:43 AM, Ken Ferry wrote:
This effect cannot be implemented with text attributes.
Are you sure? This gets awfully close, unless I'm missing the
point here
(the font to use your choice):
+ (NSDictionary*) defaultTitleAttributes
{
// return the dictionary used to specify the attributes for
drawing
the title string in the palette windows. Override to
// customize the title string
static NSDictionary*sTitleAttrs = nil;
if ( sTitleAttrs == nil )
{
NSFont* font = [NSFont boldSystemFontOfSize:11.0];
NSMutableParagraphStyle* style = [[NSParagraphStyle
defaultParagraphStyle] mutableCopy];
[style setAlignment:NSCenterTextAlignment];
NSShadow* shadw = [[NSShadow alloc] init];
[shadw setShadowColor:[NSColor whiteColor]];
[shadw setShadowOffset:NSMakeSize( 0, -1.5 )];
[shadw setShadowBlurRadius:1.0];
sTitleAttrs = [NSDictionary
dictionaryWithObjectsAndKeys:font,NSFontAttributeName,
style,NSParagraphStyleAttributeName,
shadw, NSShadowAttributeName,
nil];
[sTitleAttrs retain];
[style release];
[shadw release];
}
return sTitleAttrs;
}
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custom control's value change isn't being noticed by controller
I've written a custom control containing multiple NSTextFieldCells. The combined cell values result in a single integer value accessed via the control's intValue/setIntValue: and objectValue/ setObjectValue: (as a NSNumber). The control is correctly displaying the current value when it's bound to a controller's someValue method, but if I edit one of the cells in the control, the controller's setSomeValue: isn't firing to pick up the change. When editing finishes, my control's textDidEndEditing: method is called. I calculate the updated control value and call [self setObjectValue:[NSNumber numberWithInteger:value]] to get observers to notice the change but nothing happens. I figure I'm missing some little thing in my setup but I don't know what. Any clues? steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
enabling Edit menu items in a modal window?
I'm working on a plugin that needs to do its configuration in a modal window. As soon as it calls [NSApp runModalForWindow:window], the items in the Edit menu are disabled. Is there some way to selectively enable some of the items? For instance, it'd be nice if I could do a Select All... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: enabling Edit menu items in a modal window?
On Feb 27, 2009, at 3:44 PM, Graham Cox wrote: On 28/02/2009, at 4:26 AM, Steve Christensen wrote: I'm working on a plugin that needs to do its configuration in a modal window. As soon as it calls [NSApp runModalForWindow:window], the items in the Edit menu are disabled. Is there some way to selectively enable some of the items? For instance, it'd be nice if I could do a Select All... Well, does your modal window or its first responder or anything in- between implement selectAll:? Commands in a menu will be enabled if anything in the responder chain can a) respond to them or b) explicitly enables them in a - validateMenuItem: call. When a modal window is displayed, the responder chain goes as far as the window and stops - it doesn't continue on up to the app as a modeless window's responder chain does. As far as I know it should. My window is laid out in its nib like this: - NSWindow - NSView (Content View) ... - NSScrollView - MyCustomTableView - NSTableColumn - NSTableColumn ... At the time I check the Edit menu, the focus ring is around my custom table view and a row is selected. NSTableView says that it implements selectAll: and deselectAll:, and just to be extra sure, I created my own that just call super, but that doesn't change any behavior. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Rotate NSImage to get a new NSImage, without drawing
On Feb 28, 2009, at 10:20 PM, Jerry Krinock wrote:
On 2009 Feb 28, at 20:10, Graham Cox wrote:
Create the new image, swapping width and height, lock focus onto
it, apply a transform that rotates 90 degrees, and draw the first
into the second.
You can't do it without drawing, but the drawing doesn't need to
be onscreen.
Thanks, Graham. Fun stuff
@implementation NSImage (Transform)
[snip]
@end
That version only works for a ±90° rotation since you're just
swapping the width and height for the rotated image size. A more
generalized solution would be:
- (NSImage*)imageRotatedByDegrees:(CGFloat)degrees
{
// calculate the bounds for the rotated image
NSRect imageBounds = {NSZeroPoint, [self size]};
NSBezierPath* boundsPath = [NSBezierPath
bezierPathWithRect:imageBounds];
NSAffineTransform* transform = [NSAffineTransform transform];
[transform rotateByDegrees:degrees];
[boundsPath transformUsingAffineTransform:transform];
NSRect rotatedBounds = {NSZeroPoint, [boundsPath bounds].size};
NSImage* rotatedImage = [[[NSImage alloc]
initWithSize:rotatedBounds.size] autorelease];
// center the image within the rotated bounds
imageBounds.origin.x = NSMidX(rotatedBounds) - (NSWidth
(imageBounds) / 2);
imageBounds.origin.y = NSMidY(rotatedBounds) - (NSHeight
(imageBounds) / 2);
// set up the rotation transform
transform = [NSAffineTransform transform];
[transform translateXBy:+(NSWidth(rotatedBounds) / 2) yBy:+
(NSHeight(rotatedBounds) / 2)];
[transform rotateByDegrees:degrees];
[transform translateXBy:-(NSWidth(rotatedBounds) / 2) yBy:-
(NSHeight(rotatedBounds) / 2)];
// draw the original image, rotated, into the new image
[rotatedImage lockFocus];
[transform set];
[self drawInRect:imageBounds fromRect:NSZeroRect
operation:NSCompositeCopy fraction:1.0] ;
[rotatedImage unlockFocus];
return rotatedImage;
}
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Re: enabling Edit menu items in a modal window?
On Mar 1, 2009, at 1:59 AM, Paul Sanders wrote: At the time I check the Edit menu, the focus ring is around my custom table view and a row is selected. NSTableView says that it implements selectAll: and deselectAll:, and just to be extra sure, I created my own that just call super, but that doesn't change any behavior. Try it in a non-modal window. My guess is that you will get the same behaviour (which would eliminate one unknown). FWIW I have a text edit field in a modal window and all the menu items (which are connected to firstResponder, as set up by IB) work as they should. I added a text field to my modal window, and when it is the first responder the cut, copy, paste and select all menu items are enabled. Just for grins I added a second NSTableView to the window and rebuilt. When that table has focus, the edit menu items are all disabled, just like for the original table. I admit the possibility that I'm doing something weird, but it must be a NSTableView-only kind of weird... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: enabling Edit menu items in a modal window?
On Mar 1, 2009, at 11:38 PM, Paul Sanders wrote: I added a text field to my modal window, and when it is the first responder the cut, copy, paste and select all menu items are enabled. Just for grins I added a second NSTableView to the window and rebuilt. When that table has focus, the edit menu items are all disabled, just like for the original table. I admit the possibility that I'm doing something weird, but it must be a NSTableView-only kind of weird... You could write a little class that derives from NSTableView and override validateMenuItem. Putting a debugger breakpoint on that might tell you more. The ins-and-outs of it are covered here: http://developer.apple.com/DOCUMENTATION/Cocoa/Reference/ ApplicationKit/Protocols/NSMenuValidation_Protocol/Reference/ Reference.html I tried doing that, both in my NSTableView subclass and, just to see if it would make a difference, in my window controller. No difference. This continues to be strange since NSTextFields work just great in that regard. I also tried another test case and created a new Cocoa app project with a table in a window. When I ran it as-is, Select All was disabled. When I subclassed the table and added validateMenuItem:, Select All was enabled. So at this point I'm stuck because nobody even calls validateMenuItem: for my modal window... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: enabling Edit menu items in a modal window?
On Mar 2, 2009, at 8:47 AM, Paul Sanders wrote: nobody even calls validateMenuItem: for my modal window... Well, you're one step closer to getting to the bottom of it perhaps, knowing that. Is the target of the menu item in question set to the first responder in IB? Forgive me if you know all this, but at the code level, this corresponds to setting a nil target for the menu item in question. This then searches the responder chain, starting with the first responder, for the first object than can respond to the selector defined for the menu item's 'sent action' in IB, and then sends that object a validateMenuItem message (if the object can respond to such a message that is, otherwise it just enables the menu item regardless). This is all in the docs. So it is (probably!) one of: - the target of the menu item is incorrectly set in IB - the action of the menu item is incorrectly set in IB - the control in question does not respond to the action set in IB - the responder chain is screwed up somehow (unlikely) Having said all of which, I haven't tried any of this with a table view, only an edit field. A bit of digging around in the debugger should reveal which it is. IB sets up items 1 and 2 when you first create your application but maybe something has trampled on them. Item 3 can be tested, I would think, by sending the table view the appropriate action message yourself in GDB. I think I mentioned in my original message that I'm writing an application plugin (for FCP, actually), so I wasn't involved in setting up the application's nib. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: enabling Edit menu items in a modal window?
On Mar 2, 2009, at 9:10 AM, mmalc Crawford wrote: On Mar 2, 2009, at 8:28 AM, Steve Christensen wrote: http://developer.apple.com/DOCUMENTATION/Cocoa/Reference/ ApplicationKit/Protocols/NSMenuValidation_Protocol/Reference/ Reference.html I tried doing that, both in my NSTableView subclass and, just to see if it would make a difference, in my window controller. No difference. This continues to be strange since NSTextFields work just great in that regard. I also tried another test case and created a new Cocoa app project with a table in a window. When I ran it as-is, Select All was disabled. When I subclassed the table and added validateMenuItem:, Select All was enabled. So at this point I'm stuck because nobody even calls validateMenuItem: for my modal window... Is this on 10.4? Are you possibly hitting the bug described in http:// developer.apple.com/documentation/Cocoa/Conceptual/ NSPersistentDocumentTutorial104/08_CreationSheet/ chapter_9_section_6.html? Yes, this is on 10.4. I suppose it could be that bug, except that NSTextFields work just fine... ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: enabling Edit menu items in a modal window?
On Mar 2, 2009, at 10:47 AM, Paul Sanders wrote: I think I mentioned in my original message that I'm writing an application plugin (for FCP, actually), so I wasn't involved in setting up the application's nib. Oh yes, so you did. So, I have now done what I should have done before and stuck a table view in my modal dialog to test it. And ... the items in the edit menu all work perfectly. Specifically, when editting a table cell, I can cut, copy, paste and select all. What happens if you're not actually editing a cell but the table has focus? I would expect that Select All would be enable so that you could select all rows, right? That's the behavior I'm interested in... steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
NSImage/NSBitmapImageRep color shifts when creating scaled copy
I'm trying to create a scaled-down copy of a large NSBitmapImageRep
(i.e., 3200x2400 - 320x240). The smaller image eventually gets
passed to OpenGL for drawing. What I'm finding is that the copy has
color shifted. When I draw the copy, it appears to be darker and more
saturated than the original.
I have tried several ways to get a copy that has the same color
characteristics as the original but no success so far. My simplest
version looks like this:
NSRect resizedBounds = {NSZeroPoint, desiredBitmapSize};
NSImage* resizedImage = [[[NSImage alloc]
initWithSize:resizedBounds.size] autorelease];
[resizedImage lockFocus];
[[NSGraphicsContext currentContext]
setImageInterpolation:NSImageInterpolationHigh];
[image drawInRect:resizedBounds fromRect:NSZeroRect
operation:NSCompositeCopy fraction:1.0];
[resizedImage unlockFocus];
bitmapImage = [NSBitmapImageRep imageRepWithData:[resizedImage
TIFFRepresentation]];
Am I missing something or is this just how Quartz works? Is there
another way to get there? I'm not wedded to NSImage and friends if a
better solution exists elsewhere. This needs to run on 10.4 or later.
Thanks,
steve
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Re: NSImage/NSBitmapImageRep color shifts when creating scaled copy
On Mar 6, 2009, at 1:15 PM, Kyle Sluder wrote: On Fri, Mar 6, 2009 at 2:21 PM, Steve Christensen puns...@mac.com wrote: I'm trying to create a scaled-down copy of a large NSBitmapImageRep (i.e., 3200x2400 - 320x240). The smaller image eventually gets passed to OpenGL for drawing. What I'm finding is that the copy has color shifted. When I draw the copy, it appears to be darker and more saturated than the original. Sounds like you're falling victim to this problem: http://www.4p8.com/eric.brasseur/gamma.html In this case what I found out was running into a difference of opinion between the ColorSync profile attached to the NSBitmapImageRep in the source image and the default one (or lack of one) for a newly-created NSBitmapImageRep in the resized image. I ended up rewriting my code to create a new NSBitmapImageRep with the destination size, then copy what I thought were relevant properties (NSImageRGBColorTable, NSImageColorSyncProfileData, NSImageGamma) from the source NSBitmapImageRep if they exist. Then create a context using +[NSGraphicsContext graphicsContextWithBitmapImageRep:] using the destination NSBitmapImageRep and draw into that. steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Need to use Quartz... I think?
I'm coming in on the middle of this so I don't know if what's already been discussed. How many -unique- images are there? If you're working with a relatively small number of images, you could just cache a single copy of each and then supply the correct image for a particular cell. If you have image versions that are otherwise identical except for, say, a different background, you could reduce your image requirements to a smaller number of images with a common graphical piece and then one image for each background. Then when you draw, draw a background image then draw the common image on top. If you really do have a larger number of images, you might be able to get away with either replacing them with a single larger image that has all of the smaller images laid out in a grid, then just draw a portion of that image; or creating a NSBitmapImageRep big enough to hold all the images, making it the current graphics context, drawing the smaller images into it, then draw a portion of the image. If other solutions won't work to reduce your memory footprint, you may need to reduce the number of images you're working with. Just one of the hazards of working with a small-memory (relatively) device... steve On Mar 7, 2009, at 10:35 AM, James Cicenia wrote: Unfortunately they are not sequential. They are a graphical calendar with two images per month. They can exist, they can be yellow or they can be green. So, unfortunately, I can't do that. :-( On Mar 7, 2009, at 12:28 PM, David Duncan wrote: On Mar 7, 2009, at 10:22 AM, James Cicenia wrote: I am creating a visual indicator. There can be approximately up to 400 rows. Each row can have up to 24 little images. I imagine those images are pretty small if you can fit 24 of them across the screen... If the images are always displayed in the same order, then the simplest method might be something like this: Create a single image with all of your little images side by side in the correct order Create a UITableView For each UITableViewCell, embed a single opaque UIImageView. Assign the indicator UIImage as the content of that UIImageView Size the UIImageView to expose the number of indicators you desire and set its contentMode to UIViewContentModeLeft. If the indicators can appear in any order, you probably would still want to do this in a UITableView, but you probably have more work. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Design question: View with hell lot of drawing
On Mar 10, 2009, at 1:39 AM, rajesh wrote: I need to display huge number of elements in NSView (1000-2000). These elements are generally made of high resolution image files with some fancy drawing around them. These elements may vary from size 300 X 270 to 4280 X 3500. First I made use of NSView's for elements, I abandoned the idea because I was supposed to connect some elements with lines, obviously line drawing was going behind the elements . Secondly I tried with CALayer's and I have a problem of GPU constraint for the resolutions I mentioned.(I tried optimizing, by only displaying required layer in the View's visible part ,that too didn't help much) Is there any other way of approach, or should I be making use of one of the ways I mentioned ? In addition to Graham's comments in a previous reply, I'd also suggest that, depending on what your view does, to generate a smaller thumbnail to represent the full-sized image. This both reduces your memory footprint as well as improving drawing speed. If the thumbnail size is dependent upon the view size, you could either invalidate your thumbnail cache when the view size changes or choose a maximum thumbnail size that you just scale appropriately. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSSlider changed notification
As previous replies have mentioned, if you're looking for continuous change, you need to make sure that continuous is set to YES, either by checking continuously send action while sliding in IB or by calling [mySlider setContinuous:YES]. You could keep track of changes to the slider value by either binding the slider's value to a property in your controller (which also means that the slider will stay in synch if the value is changed elsewhere), or adding a method to the controller of the form - (void)mySliderChanged:(id)sender; and then connecting the slider's target/action to that method in your controller by dragging a connection between the slider and controller in IB. On Mar 10, 2009, at 11:03 AM, David Alter wrote: I'm sure this is something basic that I'm just missing. For some reason I can not find how to get a notification when my slider changes value. I want to be able to subscribe to receive a notification if the slider value changes. Is there a delegate method for this? What is the best way to get this? I guess one option would be to use KVO, but I suspect there is a simpler solution. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: ack no class
Maybe start up that generated app in gdb with a breakpoint set on NSLog? When it breaks you could look at the backtrace. That may at least tell you where the message is being generated, which may then tell you why. On Mar 29, 2009, at 3:26 PM, Mark Sibly wrote: I'm the author of BlitzMax, a multi-platform 'basic like' compiler. I've recently had a few reports that apps generated by the Mac version are producing a mysterious ack no class error when they start up - similar to this: 2009-03-24 22:26:14.460 test[10329:717] ack no class This appears to be written to 'stderr' and is occuring somewhere between [NSApp run] and the [applicationDidFinishLaunching] method in the app delegate - ie: it appears to be somewhere inside OsX/Cocoa. I have been unable to reproduce this myself, but it's occurring on at least one other machine with an identical config to mine - an Intel Mac with OS X 10.5.6. Has anyone else encountered this? From the few similar cases I've found via google, Safari beta4 has been suggested as a cause but I have that installed and am not getting this error. It's not really a biggy, as it doesn't seem to affect the app in any way, it's just pretty ugly for users of an apparently 'basic like' language. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Handling List of Hardware Devices in NSTableView w/ Asynchronous Updates
On Apr 1, 2009, at 7:51 AM, Grant Erickson wrote: I've a list of hardware devices in an NSTableView. The contents of the table view are updated accordingly using the device model (C++) getters in objectValueForTableColumn and using the device model setters in setObjectValue. However, the device model can also asynchronously create (sometimes rapidly-order of tens to hundreds of milliseconds) updates for one of the model values independently of the getter. To handle this, I currently have the controller implement a delegate method for these asynchronous updates and then do: [mDeviceTable reloadData]; Unfortunately, this then causes the table to hit all the device getters for all the devices and update all the columns even though only a single column (and possibly row) has changed thereby creating needless bus traffic and activity. One approach would be to use a NSMutableIndex to keep track of which device/table row is in need of an update. As each device finishes an update it would set its index in the set. The benefit is that if your hardware updates more often than your chosen UI update rate, only the most recent values will be used. If device updates are happening in another thread, you'll need to protect read/write accesses to the index set with a lock so you don't access it when it's in an inconsistent state. Then have a timer run periodically to check if any devices have updated information. For each index, just mark the corresponding table row as needing an update, then remove that index from the index set. When the table view is asked to update stale rows, it will just call tableView:objectValueForTableColumn:row: as for any other update. My first inclination is to create an array of dictionaries that act as a cache for the device attributes, have the asynchronous delegate update the appropriate key/value and then have reloadData update from there. Caching information would be a good idea, whether it happens in your C ++ device class(es) or by copying information into a NSArray. It allows you to repeatedly access current device information without further touching the hardware, particularly if device access times are on the slow side. Getting that information synchronously would lock up the UI while the data is being fetched. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: finder file size
Well, directories -are- a single file so it makes sense that the file size refers to exactly the directory and not its contents. Besides, for the general case of looking at files/folders in a particular directory, you could get all the attributes quickly without paying a time penalty to recursively calculate the total file size until you decide that you actually need that information. As for choosing to use Carbon, making that decision based on what the Finder is or isn't doing is not very relevant. Not everything has been made native Cocoa, or a Carbon solution might be better for a particular task. If you don't want to see procedural calls in your general code, just wrap the Carbon bits in a Cocoa method wrapper and claim blissful ignorance of the implementation. :) On Apr 7, 2009, at 9:04 PM, Jo Phils wrote: Thank you I.S. and all who replied! :-) It's my understanding that [NSFileManager fileAttributesAtPath:traverseLink:] will do fine for a single file but for directories it won't include the sizes of the subdirectories as Finder does. That's what I got in my testing as well but maybe I'm missing something? As for not using Carbon I suppose there's no reason I can't use it. I was just thinking with Finder going away from Carbon and since I'm just learning Cocoa I was trying to avoid it if I could. But if it's the best way I can use it... Thank you very much, Rick From: I. Savant idiotsavant2...@gmail.com To: Jo Phils jo_p...@yahoo.com Cc: cocoa dev cocoa-dev@lists.apple.com Sent: Tuesday, April 7, 2009 11:13:19 PM Subject: Re: finder file size On Tue, Apr 7, 2009 at 11:09 AM, Jo Phils jo_p...@yahoo.com wrote: My apologies if this has been answered before but isn't there a simple way to get the file size as it shows under Size in Finder without using Carbon and without enumerating the directory? My understanding is NSFileSize will not do it? Have you tried searching the archives? How about Google? See -[NSFileManager fileAttributesAtPath:traverseLink:] ... it includes a fileSize attribute. -- I.S. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Storing bundle loaded main class instances in NSArray
If your _instances variable is initialized using either
[NSMutableArray array] or [NSMutableArray arrayWithCapacity:...], it
will be autoreleased and become invalid. You can fix that by doing
something like [NSMutableArray array] retain] or using
[NSMutableArray alloc] initWithCapacity:...].
When an object is released, the underlying memory is reclaimed but
any variables that were referencing the object are unmodified so they
now point to garbage.
And as for zombies, Google is your friend. The first hit for
NSZombieEnabled gives a good description.
On Apr 8, 2009, at 6:15 AM, Daniel Luis dos Santos wrote:
The _instances mutable array is instantiated in the default init
method that is called on all other init methods. It is never
released. I am using an Auto release pool. The log writes ;
2009-04-08 13:56:53.189 TestRunner[2568:813] *** -[NSFileManager
fileExistsAtPath:]: unrecognized selector sent to instance 0x1126f0
When releasing a pointer does its value change ? or it just
releases the memory ?
What is that zombie thing you're talking about ?
On Apr 8, 2009, at 1:53 PM, Graham Cox wrote:
On 08/04/2009, at 10:33 PM, Daniel Luis dos Santos wrote:
if ((nil != saID) ([[saID class] isSubclassOfClass: [NSData
class]])) {
//[_instances addObject: aDriverInstance];
When I uncomment the addObject line above, later in the code
NSFileManager throws a doesNotRespondToSelector exception, which
is very odd.
Still not enough to go on.
Where is _instances initialised? Is it released anywhere? What
does the exception log? Is it possible _instances could be being
released leaving a stale pointer that points to NSFileManager?
Have you run it with NSZombieEnabled turned on? Any difference?
Please post the *relevant* code.
--Graham
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Re: finder file size
On Apr 8, 2009, at 5:51 PM, Gerriet M. Denkmann wrote: On 9 Apr 2009, at 02:03, Sean McBride s...@rogue-research.com wrote: On 4/7/09 9:04 PM, Jo Phils said: As for not using Carbon I suppose there's no reason I can't use it. I was just thinking with Finder going away from Carbon and since I'm just learning Cocoa I was trying to avoid it if I could. But if it's the best way I can use it... Carbon is an overloaded term, it means many things all at once. Yes. This has confused me a lot. I would propose to use only the term Carbon application as defined in: Carbon application ::= app whose main.c file is very big (more than 5000 characters) and contains InstallApplicationEventHandler(). as opposed to: Cocoa application ::= app with a very small main.m (less than 100 characters) which contains NSApplicationMain(). And NOT to use the term Carbon (other than in Carbon application), but to use the term C-function instead. Like: To get the file size one can use some methods in NSFileManager, or, if one needs more detailed information (e.g. physical size, sizes of resource fork), one can use the C-functions documented in the File Manager Reference (defined in Files.h), which are part of the CoreServices.framework. I don't know about an official definition, but my definition of a Carbon application is one that uses either a Carbon nib or resource fork-based user interface components, i.e., legacy menu manager, control manager (or HIViews), window manager, etc., even if it uses Cocoa to perform some tasks. My definition of a Cocoa application is one that uses a Cocoa nib and/or user interface components based off of NSView, NSWindow, etc., even if it calls the C-based File Manager, Core Foundation, Quartz, etc., to perform some particular task. To give an example of my confusion about the term Carbon: The aforementioned File Manager Reference contains this sentence: In Carbon, this name must be a leaf name; the name cannot contain a semicolon. That is unrelated to any Carbon/Cocoa definition. File Manager path names separate path components with colons (:) instead of slashes (/). Or: the Carbon File Manager does not return the number of files in this field I guess this would depend on which API call and which parameter this refers to. A somehow unrelated question: What would be a rational reason to create a new Carbon application today? You're more comfortable working in C or C++ and your intention is that the application you create will only be used in a 32-bit environment. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: C: treated as a path component
On Apr 15, 2009, at 1:34 PM, Jean-Daniel Dupas wrote: Le 15 avr. 09 à 01:57, Dragan Milić a écrit : Hell all, Let's suppose I've got NSString @C:omponent , which represents the name of a file. Is there a way to instruct NSString class not to treat a leading single letter followed by a column as a path separator? Namely, I need this one treated as only one path component @C:omponent, but NSString sees two, @C: and omponent. So, if I ask for the last path component, I get @omponent instead of the whole string @C:omponent. I've searched documentation, took a look into NSPathUtilities.h, but no help. You can use the CFURL API which provide a set of function to manipulate path, but due to memory management, it's not as clean than the Cocoa string API (objects are not autoreleased). • CFURLCreateCopyAppendingPathComponent • CFURLCreateCopyAppendingPathExtension • CFURLCreateCopyDeletingLastPathComponent • CFURLCreateCopyDeletingPathExtension CFURLCopyPathExtension CFURLCopyLastPathComponent etc… Or to stay entirely in Cocoa-land, you could always use NSArray* components = [filePath componentsSeparatedByString:@/]; NSString* lastPathComponent = [components objectAtIndex:([components count] - 1)]; Not quite as straightforward as the methods in NSPathUtilities but it would certainly work around the colon issue... ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Problem in displaying image in NSTableView
On Apr 18, 2009, at 7:54 PM, cocoa learner wrote:
Hello All,
In my NSTableView I am using NSImageCell as one column to display
images.
And I have implemented my datastore method like this -
- (id) tableView: (NSTableView *)aTableView
objectValueForTableColumn: (NSTableColumn *)aTableColumn
row: (NSInteger)rowIndex
{
/* code to display other column data
.
*/
//Code to display image
if (coloumnIndex == 2)
{
NSImage *tmpImage = [[tableData objectAtIndex: rowIndex] personPhoto];
NSLog(@TableController::dataSourceSecondAPI : [ Debug ] Coloumn
Index = 2,
so returning the image);
return tmpImage;
}
}
And my persons init method looks like this -
- (id) init
{
[super init];
Probably safer to use self = [super init]; here. For most classes
self won't change, but it has been brought up on-list before that
there are some exceptions where [super init] can give you a
completely different instance.
personName = @New name;
personAddr = @New addrress;
personPhoto = [[NSImage alloc] initWithContentsOfFile:
@/Volumes/Working/cocoa/Play-NSTableView/Linea.jpg];
if (personPhoto == nil)
{
You need a call to [self dealloc] here, otherwise you leak an
instance of the class if you can't load the image.
return nil;
}
return self;
}
After running my application the image looks very small like an icon.
Can any one tell me how to display a bigger image in NSTableView?
The image is scaled to fit the table's row height, rather than having
the row height adjusted to fit a particular image. If the row height
isn't currently large enough, you can either change it in IB or in
code. And for 10.4 and later, you can have your table's delegate
implement -tableView:heightOfRow: to change the height on a row-by-
row basis.
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Re: OpenGL
On Apr 20, 2009, at 4:23 PM, Andrew Farmer wrote: On 20 Apr 09, at 06:59, fawad shafi wrote: i am new on OpenGL Framework, i dnt know to that how to display the simple 3D image using OpenGL. This doesn't appear to be relevant to Cocoa development, at least until the Cocoa OpenGL views get involved. If you're just getting started with OpenGL, you may want to begin by getting yourelf a copy of the OpenGL Red Book. http://www.opengl.org/documentation/red_book/ ...and subscribe to the mac-opengl mailing list, which is also a better place to ask these sorts of questions. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Why is NSString-FSRef so hard?
You'd said in an earlier thread that the file path characters are coming from a text file and that you're then storing those in a STL string. The STL string doesn't care what the encoding is since it's just a storage construct. When you try to create a CFString or NSString from those characters, you need to know what the character encoding is, particularly for the case where a path contains special (non-ASCII) characters, otherwise the CFStringCreate*() or [NSString stringWith*:] calls will fail. If those fail then you won't be able to successfully create a CFURL/NSURL, so CFURLGetFSRef will naturally fail. Since you haven't been able (so far) to determine what the character encoding is, have you thought about reading in the characters from the file, displaying each character in hex, and finding the value(s) that represent one of the non-ASCII characters? With those values in hand you should be able to do some online research to determine what the character encoding actually is. Once you get past that part, everything else should just work. On Saturday, April 25, 2009, at 05:28PM, Erg Consultant erg_consult...@yahoo.com wrote: I was using CFURLGetFSRef passing in the NSString which works fine as long as the path contains no special chars. If it does, CFURLGetFSRef returns nil. Erg From: Nick Zitzmann n...@chronosnet.com To: Erg Consultant erg_consult...@yahoo.com Cc: cocoa-dev@lists.apple.com Sent: Saturday, April 25, 2009 4:41:20 PM Subject: Re: Why is NSString-FSRef so hard? On Apr 25, 2009, at 5:33 PM, Erg Consultant wrote: Isn't there some easy way to get an FSRef from an NSString that is a path containing special characters? What, specifically, have you tried? I don't think I've ever had +fileURLWithPath: fail on me with a path string, even if the string contained non-ASCII characters. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How remove a clip path? SOLVED
On May 5, 2009, at 11:57 AM, McLaughlin, Michael P. wrote: Naturally, I came up with a solution two minutes after posting my query to this list :-( My solution is [[NSBezierPath bezierPathWithRect:rect] setClip]; where rect is the viewRect. This works for me. It might not be the best solution in all cases. *** Original post *** In a custom NSBezierView, I fill the view with a background color then set a clip path that will eventually be drawn as a map. I do this so that I can color-code the map (in a complicated way) without going outside the lines. If I then draw the map, external boundaries are drawn as half-width lines because the clip path divides them in half lengthwise. I cannot just double the line width because there are internal map boundaries as well so I would like to *remove* the clip path totally. If I write [[NSBezierPath new] setClip]; this works perfectly except that I get an error in the Console window which I would rather avoid. Is there a recommended way to remove a clip path? Note: Setting the clip path to a dummy path outside the view does not work because then the map will not be drawn at all. Does something like this not work? [NSGraphicsContext saveGraphicsState]; [[NSBezierPath bezierPathWithRect:rect] setClip]; [NSGraphicsContext restoreGraphicsState]; ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: drawing my image in snow leopard
Does this not do what you want? [myImage drawInRect:NSIntegralRect(myCenteredRect) fromRect:...]; steve On Sep 2, 2009, at 9:22 AM, Rick C. wrote: thank you markus i do see that now. since my icon centers the numbers will always change. this should be obvious but what would be the least memory intensive way to constantly round this number... center.x = bounds.width *.5 if center.x is a round number it works as you say. i'm probably missing the obvious as usual but i'm having a bit of trouble to round/truncate the cgfloat... thanks again, rick From: Markus Spoettl msappleli...@toolsfactory.com To: cocoa dev cocoa-dev@lists.apple.com Sent: Wednesday, September 2, 2009 8:17:56 PM Subject: Re: drawing my image in snow leopard On Sep 2, 2009, at 12:33 PM, Rick C. wrote: i've been using NSImage drawInRect:fromRect:operation:fraction: to draw and center my .icns image in a resizable custom view for some time without issues. now in snow leopard the same code works, however when the custom view is at its minimum size the image is slightly blurry. when i resize the custom view to full size the image is fine. seems to be maybe scaling but i'm not rescaling the image the size is constant. of course the view is being resized. i just checked again in leopard and this is not an issue. i'm thinking i need to add something in my code to keep up with changes in snow leopard but i haven't yet figured out what that might be. if anyone needs some code i can post it. thank you, The AppKit release notes state that with 10.6 the image destination coordinates are no longer rounded to integral values. Just round x and y of your destination rect and the image should appear sharp like before. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Macros
Wouldn't this be better asked on the xcode-users mailing list (assuming you're talking about Xcode debug/release builds)? It doesn't have anything to do with Cocoa. On Sep 2, 2009, at 8:54 AM, Development wrote: Ok I cannot find an example of how to do this online so I'nm asking here. I was never any good at writing macros but I have a bool that needs to be yes if the current build is debug and no if it is release and I'm not sure how to write the macro for that. Could some one point me at a macro example that might show that? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Image Thresholding
On Sep 2, 2009, at 10:29 PM, fawad shafi wrote: I want to convert grayscale or RGB image to Binary Image. Please provide sample code. Requests to please provide sample code sounds like you want other people to do your work for you. There is plenty of information on how to do that if you just spend some time doing your own research. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: sprintf and 64-bit integers
On Sep 13, 2009, at 11:10 AM, slasktrattena...@gmail.com wrote: On Sun, Sep 13, 2009 at 8:01 PM, Bill Bumgarner b...@mac.com wrote: On Sep 13, 2009, at 10:59 AM, slasktrattena...@gmail.com wrote: I'm updating my code for Snow Leopard and ran into this problem. The app crashes at this line: sprintf(str, %d, val); where val is a CFIndex. According to the string programming guide here... http://developer.apple.com/mac/library/documentation/Cocoa/ Conceptual/Strings/Articles/formatSpecifiers.html ...I need to cast my CFIndex to long and replace the %d format specifier to %ld. I tried that but still got the crash. So I kept trying with all the format specifiers in the book, declaring my variable a NSInteger, unsigned int, etc, but no matter what the app kept crashing. The only that that actually worked was %lx, but then I get the numbers all wrong. It seems that sprintf only accepts 32-bit integers. Is this correct? If so, what's the workaround? I'm compiling for both 10.5 and 10.6. Advice appreciated, thanks. You are off in the weeds. There is nothing about a value conversion that could cause a crash. Wrong value? Sure. But not a crash. Thus, the formatting string is *not* causing a crash. The problem is almost assuredly that 'str' is pointing to garbage, uninitialized or otherwise wrong. Post the code for how str is created. b.bum Sorry, str is simply created like this: char str[10]; sprintf(str, %d, val); For a 64-bit unsigned integer, the maximum decimal value is 18446744073709551615. A quick count shows that to be 20 characters long, not including the null-terminator. Stuffing 20 characters into a local buffer is likely to trash the stack frame. steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Finding user's Music folder (and others)?
On Sep 17, 2009, at 8:18 PM, Rick Mann wrote:
On Sep 17, 2009, at 20:15:43, Michael Babin wrote:
On Sep 17, 2009, at 10:03 PM, Rick Mann wrote:
Hmm. I take it back. I can't get code calling
NSSearchPathForDirectoriesInDomains() to compile.
NSArray* paths = NSSearchPathForDirectoriesInDomains
(NSMusicDirectory, NSUserDomainMask, false);
error: 'NSMusicDirectory' was not declared in this scope
What do I need to do to get NSMusicDirectory?
Are you building with the 10.6 SDK? NSMusicDirectory is available
in 10.6 and later, according to the docs and the header file
(NSPathUtilities.h).
Well, I thought I had, but I tried again just to be sure. That's
the trick. I just overlooked the line that said 10.6. Thanks!
And if you want to get that path for earlier OS versions, you could
use FSFindFolder:
NSString* musicFolderPath = nil;
FSRef musicFolderRef;
if (FSFindFolder(kUserDomain, kMusicDocumentsFolderType,
kCreateFolder, musicFolderRef) == noErr)
{
NSURL* musicFolderURL = [(NSURL*)CFURLCreateFromFSRef(NULL,
musicFolderRef) autorelease];
musicFolderPath = [musicFolderURL path];
}
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Re: Problem with fontDescriptorWithFontAttributes:
On Sep 21, 2009, at 2:29 PM, Laurent Daudelin wrote: On Sep 21, 2009, at 14:23, Kyle Sluder wrote: Fonts really don't have colors. I don't know why NSFontColorAttribute is defined in NSFontDescriptor.h, but none of the other attributed string attributes are in there. Why are you trying to attach a color to a font? --Kyle Sluder Simple: I want to set the font as a gray to show that the text field cell is disabled, e.g. cannot be selected. Yes, but a font describes essentially the shape of all the glyphs. When it comes time to draw it, -then- you apply characteristics like color, but to the string you're trying to draw, not to the font. steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to create a control just as RGB Sphere and Alpha bar
Is there some reason why you can't use the color picker to specify a color+alpha value? It would save you a bunch of work in duplicating existing system functionality. On Sep 24, 2009, at 11:20 PM, Symadept wrote: Hi Graham, Yes. But do you have any other ways to handle this. I want something like this I could be able to pick the color from the spectrum band and could change the Alpha (This I can manage to some extent, Immediately I need to handle the picking colour from the spectrum.) Regards Mustafa On Fri, Sep 25, 2009 at 1:41 PM, Graham Cox graham@bigpond.com wrote: On 25/09/2009, at 1:14 PM, Symadept wrote: Can any help me how to create a view which contains Spectrum Bar (Just as RGB Sphere in NSColorPanel) and an Alpha bar? NSImageView? --Graham ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: [iPhone] Application running for the very first time...
On Oct 1, 2009, at 10:57 PM, James Lin wrote:
Thank you for the code snipet, but I am confused at the logic here...
the following code will be executed EVERY time the program runs,
right?
NSMutableDictionary *dictionary = [[NSMutableDictionary alloc]
initWithCapacity:10];
[dictionary setObject: [NSNumber numberWithBool:YES]
forKey:@PIFirstRun];
[[NSUserDefaults standardUserDefaults] registerDefaults:dictionary];
[dictionary release];
so [dictionary setObject: [NSNumber numberWithBool:YES]
forKey:@PIFirstRun] will run EVERYTIME the program runs?
Wouldn't that set my PIFirstRun to YES every time the user launch
my application?
The user defaults are just that: default values. They provide the
values that are returned for a key by NSUserDefaults until the value
for that key is modified by your application. So, yes, the code above
will be run every time but it doesn't affect any modified keys. As
soon as a key's value is modified, that new value is added to the
application's preference file and will be used from that point
forward. If the preferences file is ever deleted, your application
will go back to using the default values until they are modified.
So you could think of the behavior of [[NSUserDefaults
standardUserDefaults] boolForKey:@PIFirstRun] as:
if (PIFirstRun key exists in my app's preferences)
return value of key from app's preferences;
else
return value of key from defaults dictionary;
In that case
if ([[NSUserDefaults standardUserDefaults]
boolForKey:@PIFirstRun] == YES){
[[NSUserDefaults standardUserDefaults] setBool:NO
forKey:@PIFirstRun];
//first run
[userDefaults setInteger:5 forKey:@myIngeter];
}
will reset my myInteger to 5 EVERY single time?
Yes, because you're modifying the value of that key every time.
What if all i want is to set myInteger to 5 the very first time
my application lunches and ONCE ONLY?
Add it to the defaults dictionary:
NSDictionary* defaults = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], @PIFirstRun,
[NSNumber numberWithInt:5],@myInteger,
nil];
[[NSUserDefaults standardUserDefaults] defaults];
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Re: [iPhone] Application running for the very first time...
On Oct 7, 2009, at 10:47 AM, Marco S Hyman wrote:
On Oct 7, 2009, at 10:33 AM, Steve Christensen wrote:
In that case
if ([[NSUserDefaults standardUserDefaults]
boolForKey:@PIFirstRun] == YES){
[[NSUserDefaults standardUserDefaults] setBool:NO
forKey:@PIFirstRun];
//first run
[userDefaults setInteger:5 forKey:@myIngeter];
}
will reset my myInteger to 5 EVERY single time?
Yes, because you're modifying the value of that key every time.
No. Read the code snip again. setInteger will only be set
when PIFirstRun is YES. When YES PIFirstRun is set to NO so
future runs will skip setting myInteger. Unless, as you noted
in comments I snipped, the preferences file is deleted or other
code sets PIFirstRun back to YES.
My mistake.
What if all i want is to set myInteger to 5 the very first
time my application lunches and ONCE ONLY?
Add it to the defaults dictionary:
NSDictionary* defaults = [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithBool:YES], @PIFirstRun,
[NSNumber numberWithInt:5],@myInteger,
nil];
[[NSUserDefaults standardUserDefaults] defaults];
That may also do the trick. I say MAY because it is possible that
the act of setting the code might cause some side effect that won't
occur if the defaults are initialized to the value.
I suppose if something was bound to that key then some other behavior
could be triggered. If the idea was that the value really should be
initialized once then putting it in the defaults would be best,
unless you wanted to know if the value had been set to some value vs.
being undefined.
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Re: Are these Apple or 3rd party classes?
A quick Google search came up with a reference to EPIJDataManager that somehow relates to Epson printers. I couldn't find any other info than that. On Oct 9, 2009, at 6:48 AM, Philip White wrote: A customer of one of my shareware programs has reported that my program frequently crashes when he tries to print. No one else has reported this kind of error. The stack trace he sends me includes the following lines: (this is just some of them) 20 EPIJDataManager_Core_L 0x0d201bca _Z28SendMessageToDataManagerCoremPvS_ + 254 21 EPIJDataManager_Core_L 0x0d20272c SendMessageToCoreDataManager + 710 22 EPIJDataManager 0x0cf75b12 SendMessageToDataManager + 142 23 PDECPlugin010x0c8fe6c0 - [CERPEPIJDataManager(EPIJDataManagerMessageMethod) pDEInitialize] + 566 24 PDECPlugin010x0c8fe3b7 - [CERPEPIJDataManager(EventHandlerMethod) onInitialize:] + 577 I don't really know a lot about the inner workings of the print system, but would anyone be able to tell me if this looks like it is third party stuff (printer drivers?) or Apple stuff? He is running 10.6.1 ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Opening a NSSavePanel as a Sheet, and blocking like in [panel runModal]
I had written this NSOpenPanel category to work in a plugin
environment, and I think it should do the right thing. Just set up
the NSOpenPanel as you like then call -
runModalForDirectory:file:types:relativeToWindow: and it will return
when the user has selected (or not) a file.
steve
// category on NSOpenPanel that runs the open sheet modally and
returns when done
@interface NSOpenPanel(ModalSheets)
- (NSInteger)runModalForDirectory:(NSString*)path file:(NSString*)
name types:(NSArray*)fileTypes
relativeToWindow:(NSWindow*)window;
@end
@implementation NSOpenPanel(ModalSheets)
- (void)__modalOpenPanelDidEnd:(NSOpenPanel*)panel returnCode:(int)
returnCode contextInfo:(void*)contextInfo
{
#pragma unused(panel, contextInfo)
[NSApp stopModalWithCode:returnCode];
}
- (NSInteger)runModalForDirectory:(NSString*)path file:(NSString*)
name types:(NSArray*)fileTypes
relativeToWindow:(NSWindow*)window
{
NSInteger result;
if (window != nil)
{
[self beginSheetForDirectory:path file:name modalForWindow:window
modalDelegate:self
didEndSelector:@selector
(__modalOpenPanelDidEnd:returnCode:contextInfo:) contextInfo:nil];
result = [NSApp runModalForWindow:self];
[NSApp endSheet:self];
}
else
{
result = [self runModalForDirectory:path file:name
types:fileTypes];
}
return result;
}
@end
On Oct 14, 2009, at 6:02 AM, Motti Shneor wrote:
I'm in a strange situation, where I am implementing a plugin
component that runs within a host application which I don't have
access to.
Within this context, The host sometimes calls my plug-in to open an
NSSavePanel (or NSOpenPanel). The host expects that I'm synchronous
--- i.e. I only return when the NSSavePanel is dismissed, and
there's a result.
However, The host also provides me with its own Window, and I need
to open my NSSavePanel as a Sheet-window over the host's window.
Now NSSavePanel (and NSOpenPanel) provide 2 different ways to run them
1. runModal (or a vaiant) that is synchronous --- but it does not
create a sheet window
2 beginSheetFor... (or variants) that are asynchronous (I must
supply with a callback selector to be called as the NSSavePanel is
dismissed) --- these DO create a sheet over the parent window.
Is there a decent way to combine these two requirements?
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Re: Opening a NSSavePanel as a Sheet, and blocking like in [panel runModal]
NavTester[4398]
Error: kCGErrorIllegalArgument: CGSOrderWindowList: NULL list
pointer or empty list
Any ideas? something I forgot to do? What in general is the state
of opening cocoa-sheets over Carbon-windows? When do I need to
release this NSWindow? I don't wish to close the Carbon window, as
it is coming from my host application!
You may not want to call FrontWindow() since its docs say, Most
applications should use call ActiveNonFloatingWindow or
FrontNonFloatingWindow instead of FrontWindow because
ActiveNonFloatingWindow and FrontNonFloatingWindow return the active
and frontmost document window, respectively, skipping over other
types of windows that may be in front of the active document, such as
the menubar window, floating windows, help tags and toolbars.
On 15/10/2009, at 21:40, Steve Christensen wrote:
I had written this NSOpenPanel category to work in a plugin
environment, and I think it should do the right thing. Just set up
the NSOpenPanel as you like then call -
runModalForDirectory:file:types:relativeToWindow: and it will return
when the user has selected (or not) a file.
steve
// category on NSOpenPanel that runs the open sheet modally and
returns when done
@interface NSOpenPanel(ModalSheets)
- (NSInteger)runModalForDirectory:(NSString*)path file:(NSString*)
name types:(NSArray*)fileTypes
relativeToWindow:(NSWindow*)window;
@end
@implementation NSOpenPanel(ModalSheets)
- (void)__modalOpenPanelDidEnd:(NSOpenPanel*)panel returnCode:(int)
returnCode contextInfo:(void*)contextInfo
{
#pragma unused(panel, contextInfo)
[NSApp stopModalWithCode:returnCode];
}
- (NSInteger)runModalForDirectory:(NSString*)path file:(NSString*)
name types:(NSArray*)fileTypes relativeToWindow:(NSWindow*)window
{
NSInteger result;
if (window != nil)
{
[self beginSheetForDirectory:path file:name
modalForWindow:window
modalDelegate:self didEndSelector:@selector
(__modalOpenPanelDidEnd:returnCode:contextInfo:)
contextInfo:nil];
result = [NSApp runModalForWindow:self];
[NSApp endSheet:self];
}
else
{
result = [self runModalForDirectory:path file:name
types:fileTypes];
}
return result;
}
@end
On Oct 14, 2009, at 6:02 AM, Motti Shneor wrote:
I'm in a strange situation, where I am implementing a plugin
component that runs within a host application which I don't have
access to.
Within this context, The host sometimes calls my plug-in to open an
NSSavePanel (or NSOpenPanel). The host expects that I'm synchronous
--- i.e. I only return when the NSSavePanel is dismissed, and
there's a result.
However, The host also provides me with its own Window, and I need
to open my NSSavePanel as a Sheet-window over the host's window.
Now NSSavePanel (and NSOpenPanel) provide 2 different ways to run them
1. runModal (or a vaiant) that is synchronous --- but it does not
create a sheet window
2 beginSheetFor... (or variants) that are asynchronous (I must
supply with a callback selector to be called as the NSSavePanel is
dismissed) --- these DO create a sheet over the parent window.
Is there a decent way to combine these two requirements?
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Re: Opening a NSSavePanel as a Sheet, and blocking like in [panel runModal]
I don't know what the difference would be in trying to attach to a native NSWindow vs one that wraps a Carbon window. When I've done this in the past, I always knew that I was attaching to a native NSWindow. Sorry I can't be more helpful. steve On Oct 22, 2009, at 6:44 AM, Motti Shneor wrote: Thanks again. Regarding the Carbon Window problem, the FrontWindow() call was just an illustration. The WindowRef I'm supplying is of a visible (usually active and front) Document window. The problems are not even consistent, and will randomly occur. The desired behavior, though, will very rarely occur. (I'd say one in a hundred times). In short --- Are there any specific implications to opening a cocoa sheet over a carbon (document) window? Is there any specific setup I need to know about? What are the limitations of Cocoa NSWindow wrappers around Carbon windows? The problem is, my Plugin is written using cocoa, but runs within a Carbon application. I need to attach my NSOpen/NSSave panels onto a given application window, which is, of course, a Carbon window. I get this bogus behavior and even worse, both running with my Host application, and with simplistic test programs like the one below. Any hints? Last (and most important) - Supposedly I use your nice category like this: WindowRef frontWin = ::FrontWindow(); // get Carbon application front window. Actually, any carbon window. NSWindow *cocoaFromCarbonWin = [[NSWindow alloc] initWithWindowRef:frontWin]; NSSavePanel *navPanel = [NSSavePanel savePanel]; [navPanel runModalForDirectory:nil file:nil types:nil relativeToWindow: cocoaFromCarbonWin]; Then I'm seeing a host of strange and bogus behaviors. 1. The most severe is that the sheet opens BEHIND the application window, BUT is still the key window. So, the application is dead --- I can't click on the sheet (it's not front, and not active, does not respond to clicks). However, the main application window is blocked for events too! (I have blocked it via runModalForWindow!). so, I'm dead. User must force-quit the application. 2. The sheet opens in the wrong place -- just somewhere on the screen - not always the same place, but favorably when a centered dialog would appear. If then I try to drag the parent carbon window by its title, the sheet would jump into place and be dragged right. Events seem to be OK. 3. The sheet is invisible --- Although I get no errors from the application. However, the debugger console would (sometimes!) contain lines like this: [Session started at 2009-10-21 11:01:52 +0200.] GNU gdb 6.3.50-20050815 (Apple version gdb-1346) (Fri Sep 18 20:40:51 UTC 2009) Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: _CGSFindSharedWindow: WID 1835 Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged. Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: CGSOrderWindowListWithGroups: invalid window ID (1835) Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: CGSOrderWindowList: NULL list pointer or empty list Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: _CGSFindSharedWindow: WID 1836 Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: CGSOrderWindowListWithGroups: invalid window ID (1836) Wed Oct 21 12:11:53 Moti-Schneors-Mac-Pro.local NavTester[4398] Error: kCGErrorIllegalArgument: CGSOrderWindowList: NULL list pointer or empty list Any ideas? something I forgot to do? What in general is the state of opening cocoa-sheets over Carbon-windows? When do I need to release this NSWindow? I don't wish to close the Carbon window, as it is coming from my host application! You may not want to call FrontWindow() since its docs say, Most applications should use call ActiveNonFloatingWindow or FrontNonFloatingWindow instead of FrontWindow because ActiveNonFloatingWindow and FrontNonFloatingWindow return the active and frontmost document window, respectively, skipping over other types of windows that may be in front of the active document, such as the menubar window, floating windows, help tags and toolbars. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to imitiate mouse move programmatically? [NSApp postEvent:atStart:] does not work...
Oleg, had you thought of doing something like adding -isSelectionValid and -setSelectionValid: methods to your controller class? The view would always keep track of the mouse state, tell the controller what the current selection is when the mouse moves, but won't update itself or respond to mouse clicks while the lengthy operation is in progress. No fake events since the view has been tracking the real mouse all along. Just call -setNeedsDisplay: inside -setSelectionValid: to automagically get the view to redraw itself to reflect the current mouse state. steve On Nov 3, 2009, at 5:46 AM, Oleg Krupnov wrote: Graham, I really appreciate you taking your time to write such detailed posts for me, but what I am trying to say is that I am doing everything exactly as you suggest, following the best design patterns (I think). There is a controller and it maintains the selection. The view only draws the selection in its drawRect, and during drawRect it queries the selection from the controller. The view can also cause the selection to change in response to mouse input. That's when the view performs hit testing of its items, in its mouseMoved handler. Then the view asks the controller to change the current selection. Then the controller calls back the view telling that selection has changed, and the view calls setNeedsDisplay on itself. The way the items are displayed, and therefore also how they are hit-tested, is encapsulated inside the view. In other words, the controller and the model don't have to know how the items appear and how to hit test them in each kind of view. The view is responsible to process the mouse events. This all is pretty standard MVC pattern, I believe. No problem with that. The need to refresh the view after animation is rather a tiny exception from the otherwise solid implementation. And I am considering the fake mouse event because it seems the most natural and straightforward way of changing the state of the system in this case. Think of it this way: while the animation is in progress, the user may be moving the mouse around, but all those events were ignored, and what matters is only the last position of the mouse at the moment when the animation ends. So in a sense, the fake mouse move event is not so much fake, but a single consolidated mouse event of all those events. The way my system should respond to this event is exactly the same as to an ordinary, non-fake mouse event. If I don't generate that fake event and use some explicit methods, I would have to do the following: 1. in controller, determine which view the mouse currently is over (hit test the window) 2. localize the coordinate to that view and ask the view to hit test its items for the coordinate 3. set the controller's selection to that item This all, and exactly this, would happen all by itself, by the already existing code, in case if I sent the fake mouse moved event. On Tue, Nov 3, 2009 at 3:09 PM, Graham Cox graham@bigpond.com wrote: On 03/11/2009, at 11:15 PM, Oleg Krupnov wrote: Maybe I'm not speaking clearly, but that's exactly what I'm trying to do -- use a mouse event to cause a state change, but in this case the mouse event would be fake. Mouse position is in no way part of the view's state. I just want that at particular moment the view's state becomes synchronized with the current mouse position, as if the mouse did move. But why? State is an independent variable. It is coupled to the mouse location in your case, but it's independent nevertheless. If you like, state is the part of the view's output (because it causes the visual appearance to change) whereas events are always input. Don't conflate them - views are designed to keep the input (events) and outputs (drawing) handled in two completely independent phases. There are multiple items in the view, and the hovered one of the items should be highlighted. When the mouse event arrives, the view performs hit testing of its items and determines which of the items is hovered. If I make a setState method as you suggest, I would have to specify which item to highlight. This would break the view's encapsulation, because I would have to perform item hit testing externally. I don't really follow this. At some point any hit testing does have to be done externally, if you have multiple objects, either by you or by AppKit. Doing it yourself is easy, and I strongly recommend that approach as follows: 1. main view gets the localised mouse location. 2. it iterates over all of its sub-objects representing the items and asks each one to test itself against the mouse position which is passed to it. 3. The first item that returns yes is sent the appropriate - setState: to highlight it (and the main view also keeps track of this one as the selected item). 4. the -setState: method invalidates the drawing area covered by the object. 5. drawing deals with the appearance change. This is the
Re: Bulletproof way to create a new CGBitmapContext from an existing image?
Why not alway create a CGBitmapContext of the desired size and in a supported pixel format (see http://developer.apple.com/mac/library/qa/qa2001/qa1037.html ), then call CGContextDrawImage to draw the CGImage into the context? Then you're always controlling the parameters. CGRect bounds = CGRectMake(0, 0, scaleFactorX * image.size.width, scaleFactorY * image.size.height); context = CGBitmapContextCreate(NULL, bounds.size.width, bounds.size.height, 8, 4 * bounds.size.width, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst); CGContextDrawImage(context, bounds, image.CGImage); On Nov 1, 2009, at 8:45 AM, thatsanicehatyouh...@mac.com wrote: I have some code where I'm downloading images from the internet. They're probably all going to be jpegs, but I'm not making that assumption in my code. I have no control over the images. I'm creating a CGBitmapContext to manipulate them. Further, I'm scaling the image (could be up or down depending on the original size) by creating the context with the size I want and drawing the original image into that. I'm trying to write code to avoid messages such as this: Error: CGBitmapContextCreate: unsupported parameter combination: 8 integer bits/component; 16 bits/pixel; 1-component colorspace; kCGImageAlphaPremultipliedFirst; 352 bytes/row. I only rarely get these now, but I want to make that never. I'm pasting my code below that I have so far - can anyone suggest something better? (I'm working on an iPhone if it makes any difference.) Cheers, Demitri size_t bitsPerComponent = CGImageGetBitsPerComponent(image.CGImage); CGColorSpaceRef colorSpace = CGImageGetColorSpace(image.CGImage); // The value returned by CGImageGetBytesPerRow might be smaller than the final // image if we are scaling to a larger size. float contextWidth = (float)ceil((double)scaleX*image.size.width) * 4.0; int bytesPerRow = (CGImageGetBytesPerRow(image.CGImage) contextWidth) ? CGImageGetBytesPerRow(image.CGImage) : contextWidth; context = CGBitmapContextCreate(NULL, // let the OS manage the memory for me // image dimensions (desired width, desired height) scaleFactorX*image.size.width, scaleFactorY*image.size.height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedFirst); ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How can a plug-in bundle get access to its own resources?
As has been pointed out several times, it's a really bad idea to have the same-named class in multiple plugins. The Objective-C runtime will load the first class instance it finds (in your case, in the first- loaded plugin). For all other plugins, when the class is referenced, that first class instance is used, so calling [NSBundle bundleForClass: [self class]] will cause it to return the bundle for that first plugin, no matter which plugin is asking. This answers your question about code knowing its containing bundle. You made an assumption about where the plug-in's code was loaded that turned out to be incorrect. If you want to use the same class code for each plug-in, I would suggest that you use a #define to rename the plug-in class at build time, and add a per-target definition containing a unique class name. Then your common class would be renamed automatically for each target. If you have to specify the plugin class in, say, your Info.plist, you could use the same build definition. @interface PLUGIN_CLASS_NAME ... @end @implementation PLUGIN_CLASS_NAME ... @end The benefit of going with this model is that you still maintain a single code base for all of your plugins, even though the class is renamed on a per-plugin basis; you eliminate the which plugin am I problem you're running into now; and you don't have to worry about having an older plugin version that happens to load before a newer version, thus forcing all the newer plug-ins to use the older plug-in code. On Nov 15, 2009, at 3:36 AM, Motti Shneor wrote: Thanks, but the bundleWithIdentifier has its own problems. 1. The identifier is (as far as i know) accessible only from the bundle itself, which I don't have! I'm circling around here, without access to my own resources! Must I hard-code the bundle identifier as a string constant within each of my plug-ins? 2. Even if I DO follow this rule, how can I manage to distinguish between two bundles that include the same plug-in but from different versions? They have the same class, and the same identifier Really, Isn't there a way for a library (dll, dylib framework etc) to know what is its containing bundle? On 10/11/2009, at 19:42, Douglas Davidson wrote: On Nov 10, 2009, at 4:59 AM, Motti Shneor wrote: Thanks guys, but you may have not read all my message --- The [NSBundle bundleForClass:[self class]]; is unusable for me, because I have many plugins that build from the same code, and export the same class (of course --- the same class name). Obj-C has no name-spaces, and so, If you load 2 such plugins, and use the [NSBundle bundleForClass:[self class]] in each of them independently --- you'll get erroneous answers! both of them will return the same bundle although they come from different bundles. This is hardly a system bug because there are no namespaces, and for the same class name there is only one bundle. As others have said, don't do this. However, to answer your question, the other way to locate your bundle is via bundleWithIdentifier:. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How can a plug-in bundle get access to its own resources?
/2009, at 00:51, Steve Christensen wrote: As has been pointed out several times, it's a really bad idea to have the same-named class in multiple plugins. The Objective-C runtime will load the first class instance it finds (in your case, in the first- loaded plugin). For all other plugins, when the class is referenced, that first class instance is used, so calling [NSBundle bundleForClass: [self class]] will cause it to return the bundle for that first plugin, no matter which plugin is asking. This answers your question about code knowing its containing bundle. You made an assumption about where the plug-in's code was loaded that turned out to be incorrect. If you want to use the same class code for each plug-in, I would suggest that you use a #define to rename the plug-in class at build time, and add a per-target definition containing a unique class name. Then your common class would be renamed automatically for each target. If you have to specify the plugin class in, say, your Info.plist, you could use the same build definition. @interface PLUGIN_CLASS_NAME ... @end @implementation PLUGIN_CLASS_NAME ... @end The benefit of going with this model is that you still maintain a single code base for all of your plugins, even though the class is renamed on a per-plugin basis; you eliminate the which plugin am I problem you're running into now; and you don't have to worry about having an older plugin version that happens to load before a newer version, thus forcing all the newer plug-ins to use the older plug-in code. On Nov 15, 2009, at 3:36 AM, Motti Shneor wrote: Thanks, but the bundleWithIdentifier has its own problems. 1. The identifier is (as far as i know) accessible only from the bundle itself, which I don't have! I'm circling around here, without access to my own resources! Must I hard-code the bundle identifier as a string constant within each of my plug-ins? 2. Even if I DO follow this rule, how can I manage to distinguish between two bundles that include the same plug-in but from different versions? They have the same class, and the same identifier Really, Isn't there a way for a library (dll, dylib framework etc) to know what is its containing bundle? On 10/11/2009, at 19:42, Douglas Davidson wrote: On Nov 10, 2009, at 4:59 AM, Motti Shneor wrote: Thanks guys, but you may have not read all my message --- The [NSBundle bundleForClass:[self class]]; is unusable for me, because I have many plugins that build from the same code, and export the same class (of course --- the same class name). Obj-C has no name-spaces, and so, If you load 2 such plugins, and use the [NSBundle bundleForClass:[self class]] in each of them independently --- you'll get erroneous answers! both of them will return the same bundle although they come from different bundles. This is hardly a system bug because there are no namespaces, and for the same class name there is only one bundle. As others have said, don't do this. However, to answer your question, the other way to locate your bundle is via bundleWithIdentifier:. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Drawing an arc fill inside an image
Custom view that sits on top of a UIImageView? Implement -drawRect: and a progress property and you're done. On May 26, 2011, at 11:21 AM, Alex Kac wrote: I'm not sure what the best way to tackle this is... so I thought I'd ask here. I have an image with a circular button inside of it. I'd like to dynamically fill this button in an arc to show progress much like how when you are on iTunes Store on an iOS and its playing the preview its animating filling the circle in a sweep of an arc. Mine doesn't need to animate however. So I have the image, and I suppose I can draw that image to a context and then draw an arc on that image, and then make another image out of it. That seems like it would get slow if I needed to do that a lot. Any suggestions? I also wouldn't mind any links that might show similar code. This is for iOS. I tried searching Google, but my GoogleFu is not showing anything, probably due to me not using the right terms. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Application Design
A view controller controls a specific view hierarchy so it shouldn't be reaching explicitly out to other view controllers to tell them to do something. Depending on your specific situation, interested objects could register for notifications when certain things change in the world, then one object could just broadcast that something changed and not worry about what other objects care. Or you could synch a controller's state (and possibly its view(s)) in its -viewWillAppear: method since in many cases only a single controller's view hierarchy is visible at any one time. On May 27, 2011, at 11:13 AM, Dan Hopwood wrote: I have been writing iPhone applications for a while now, with not too many problems but I feel like I haven't fully grasped how an application should be structured in terms of storing application objects. e.g. up to now, I've created a header file, declared all the main objects e.g. app delegate, view controllers, utilities and initialised them in the app delegate. For each class, I then just include the header file, which gives me access to all the objects, should I need to send them messages on certain UI events. Another option I have considered is storing them all in the app delegate instead and creating utility methods in the app delegate that delegate out to the objects from one place. E.g. a VC would then call the app delegate each time it needs to interact with another VC. If neither of these options is valid, which I suspect is the case (certainly global pointers is considered to be bad practise), then how do you store these pointers to that they are accessible in some way by all the VCs. Sending in the required pointers on initialisation of each VC (and storing a copy in each class) is the only other option I can think of but this seems annoyingly unelegant. Thoughts and suggestions much appreciated. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Application Design
How about providing a singleton class method? Then you just include
WebServiceInterface.h where needed. No need to have a global variable.
@implementation WebServiceInterface
...
+ (WebServiceInterface*) sharedInterface
{
static WebServiceInterface* sharedInstance = nil;
if (sharedInstance == nil)
sharedInstance = [[WebServiceInterface alloc] init];
return sharedInstance;
}
...
@end
foo = [[WebServiceInterface sharedInterface] someMethod];
On May 31, 2011, at 3:25 AM, Dan Hopwood wrote:
Thanks for all your answers, they make complete sense.
I have one more related question. I have developed a custom, stateful
WebServiceInterface object, which manages all connection requests made to an
XML-RPC server. Being stateful, I initialise this object when the app
launches and at the moment I store a pointer to it in a header file, which I
include in all view controllers. This allows me to make a request for data
from anywhere. In a similar way, I feel that storing a global pointer is not
best practise and can't help but think there is a more elegant way of doing
this. One option I have considered if storing/initialising the object in the
app delegate and then creating a utility method in the delegate that wraps
the object call. Is this the best solution or is there a design pattern I am
unaware of?
Many thanks!
On 28 May 2011 19:15, Conrad Shultz con...@synthetiqsolutions.com wrote:
On May 28, 2011, at 6:11, Dan Hopwood d...@biasdevelopment.com wrote:
Thanks for your response Steve. I have considered using the
nsnotification service but what if you need to not only let another
object know when an event has occurred but you also need to send that
object some data? For example a user selects an option in a table -
the selection must be conveyed in some way to the vc I'm pushing on
the nav controller stack so that it's view is dynamic depending on the
selection. As far as I'm aware that is not possible using
notifications.
That's very doable with notifications. See the object and userInfo
methods in NSNotification and corresponding methods in NSNotificationCenter.
In general I create a new vc/nib for *every* screen I have in the app.
Let's take a navigation app as an example. Are you saying that the
hierarchy should be:
- 'root view controller' (has overall control, contains navigation
logic and sends data between the containing view controllers)
-- 'nav controller'
-- 'all view controllers to be pushed/popped'
...where the nav controller and its view controllers are stored and
initialised inside the 'root view controller'?
Well, I'd say the view controllers aren't stored inside the root view
controller; they are pushed onto the navigation stack as and when needed.
Unless you are doing some caching, I wouldn't store the view controllers
outside the navigation stack. (If you do implement caching, make sure you
respond to memory warnings by flushing the cache!)
In a navigation based application I feel that your architecture is simplified
by design. Since only one view controller (notwithstanding modal view
controllers) is on screen at any time, and they are all arranged
hierarchically, parents should configure their children before pushing them
onto the stack. When children need to communicate back to their parents (for
example, if you push an editor view controller from a summary view
controller, which needs to be updated when the editor view controller makes
changes), you can use KVO or notifications, but if the communication is by
design of interest only to the parent and child view controllers, just make
the parent the delegate of the child. So if the child, say, had a list of
favorite URLs for the user to select, it could call something like [delegate
didSelectFavorite:url] which would cause the parent to be updated (and change
appearance when the child is popped off the stack).
___
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Re: Application Design
Why do you need to do any explicit cleanup on app termination? App memory
disappears (poof!) so it's not like you're leaking anything. Is your class
holding onto some state that must be written out to disk, for example?
On Jun 1, 2011, at 3:54 AM, Dan Hopwood wrote:
Thanks Steve. For completeness - what's the proper way to perform the
cleanup? Should another static method be created that releases the singleton
instance when the app is closed? i.e.
+ (void)releaseSharedInterface
{
[sharedInstance release];
sharedInsance = nil;
}
D
On 1 June 2011 09:54, Dan Hopwood d...@biasdevelopment.com wrote:
Great, thanks a lot Steve - very helpful.
D
On 31 May 2011 18:44, Steve Christensen puns...@mac.com wrote:
How about providing a singleton class method? Then you just include
WebServiceInterface.h where needed. No need to have a global variable.
@implementation WebServiceInterface
...
+ (WebServiceInterface*) sharedInterface
{
static WebServiceInterface* sharedInstance = nil;
if (sharedInstance == nil)
sharedInstance = [[WebServiceInterface alloc] init];
return sharedInstance;
}
...
@end
foo = [[WebServiceInterface sharedInterface] someMethod];
On May 31, 2011, at 3:25 AM, Dan Hopwood wrote:
Thanks for all your answers, they make complete sense.
I have one more related question. I have developed a custom, stateful
WebServiceInterface object, which manages all connection requests made to an
XML-RPC server. Being stateful, I initialise this object when the app
launches and at the moment I store a pointer to it in a header file, which I
include in all view controllers. This allows me to make a request for data
from anywhere. In a similar way, I feel that storing a global pointer is not
best practise and can't help but think there is a more elegant way of doing
this. One option I have considered if storing/initialising the object in the
app delegate and then creating a utility method in the delegate that wraps
the object call. Is this the best solution or is there a design pattern I am
unaware of?
Many thanks!
On 28 May 2011 19:15, Conrad Shultz con...@synthetiqsolutions.com wrote:
On May 28, 2011, at 6:11, Dan Hopwood d...@biasdevelopment.com wrote:
Thanks for your response Steve. I have considered using the
nsnotification service but what if you need to not only let another
object know when an event has occurred but you also need to send that
object some data? For example a user selects an option in a table -
the selection must be conveyed in some way to the vc I'm pushing on
the nav controller stack so that it's view is dynamic depending on the
selection. As far as I'm aware that is not possible using
notifications.
That's very doable with notifications. See the object and userInfo
methods in NSNotification and corresponding methods in NSNotificationCenter.
In general I create a new vc/nib for *every* screen I have in the app.
Let's take a navigation app as an example. Are you saying that the
hierarchy should be:
- 'root view controller' (has overall control, contains navigation
logic and sends data between the containing view controllers)
-- 'nav controller'
-- 'all view controllers to be pushed/popped'
...where the nav controller and its view controllers are stored and
initialised inside the 'root view controller'?
Well, I'd say the view controllers aren't stored inside the root view
controller; they are pushed onto the navigation stack as and when needed.
Unless you are doing some caching, I wouldn't store the view controllers
outside the navigation stack. (If you do implement caching, make sure you
respond to memory warnings by flushing the cache!)
In a navigation based application I feel that your architecture is
simplified by design. Since only one view controller (notwithstanding modal
view controllers) is on screen at any time, and they are all arranged
hierarchically, parents should configure their children before pushing them
onto the stack. When children need to communicate back to their parents (for
example, if you push an editor view controller from a summary view
controller, which needs to be updated when the editor view controller makes
changes), you can use KVO or notifications, but if the communication is by
design of interest only to the parent and child view controllers, just make
the parent the delegate of the child. So if the child, say, had a list of
favorite URLs for the user to select, it could call something like [delegate
didSelectFavorite:url] which would cause the parent to be updated (and
change appearance when the child is popped off the stack).
___
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Please do not post admin requests or moderator comments to the list.
Contact the moderators at cocoa
Re: Application Design
Yep, that's true. I was going for the simple case since, unless you
specifically plan to reference the singleton from multiple threads, you don't
need to do anything more fancy.
On Jun 1, 2011, at 5:05 PM, Andrew Thompson wrote:
I'll caution you as written that singleton is not be thread safe. Often you
don't care, because you only have one thread or because creating 2 webservice
clients may not be a problem for you.
On Jun 1, 2011, at 3:54 AM, Dan Hopwood d...@biasdevelopment.com wrote:
Thanks Steve. For completeness - what's the proper way to perform the
cleanup? Should another static method be created that releases the singleton
instance when the app is closed? i.e.
+ (void)releaseSharedInterface
{
[sharedInstance release];
sharedInsance = nil;
}
D
On 1 June 2011 09:54, Dan Hopwood d...@biasdevelopment.com wrote:
Great, thanks a lot Steve - very helpful.
D
On 31 May 2011 18:44, Steve Christensen puns...@mac.com wrote:
How about providing a singleton class method? Then you just
include WebServiceInterface.h where needed. No need to have a global
variable.
@implementation WebServiceInterface
...
+ (WebServiceInterface*) sharedInterface
{
static WebServiceInterface* sharedInstance = nil;
if (sharedInstance == nil)
sharedInstance = [[WebServiceInterface alloc] init];
return sharedInstance;
}
...
@end
foo = [[WebServiceInterface sharedInterface] someMethod];
On May 31, 2011, at 3:25 AM, Dan Hopwood wrote:
Thanks for all your answers, they make complete sense.
I have one more related question. I have developed a custom, stateful
WebServiceInterface object, which manages all connection requests made to
an
XML-RPC server. Being stateful, I initialise this object when the app
launches and at the moment I store a pointer to it in a header file, which
I
include in all view controllers. This allows me to make a request for data
from anywhere. In a similar way, I feel that storing a global pointer is
not
best practise and can't help but think there is a more elegant way of doing
this. One option I have considered if storing/initialising the object in
the
app delegate and then creating a utility method in the delegate that wraps
the object call. Is this the best solution or is there a design pattern I
am
unaware of?
Many thanks!
On 28 May 2011 19:15, Conrad Shultz con...@synthetiqsolutions.comwrote:
On May 28, 2011, at 6:11, Dan Hopwood d...@biasdevelopment.com wrote:
Thanks for your response Steve. I have considered using the
nsnotification service but what if you need to not only let another
object know when an event has occurred but you also need to send that
object some data? For example a user selects an option in a table -
the selection must be conveyed in some way to the vc I'm pushing on
the nav controller stack so that it's view is dynamic depending on the
selection. As far as I'm aware that is not possible using
notifications.
That's very doable with notifications. See the object and userInfo
methods in NSNotification and corresponding methods in
NSNotificationCenter.
In general I create a new vc/nib for *every* screen I have in the app.
Let's take a navigation app as an example. Are you saying that the
hierarchy should be:
- 'root view controller' (has overall control, contains navigation
logic and sends data between the containing view controllers)
-- 'nav controller'
-- 'all view controllers to be pushed/popped'
...where the nav controller and its view controllers are stored and
initialised inside the 'root view controller'?
Well, I'd say the view controllers aren't stored inside the root view
controller; they are pushed onto the navigation stack as and when needed.
Unless you are doing some caching, I wouldn't store the view controllers
outside the navigation stack. (If you do implement caching, make sure you
respond to memory warnings by flushing the cache!)
In a navigation based application I feel that your architecture is
simplified by design. Since only one view controller (notwithstanding
modal
view controllers) is on screen at any time, and they are all arranged
hierarchically, parents should configure their children before pushing
them
onto the stack. When children need to communicate back to their parents
(for
example, if you push an editor view controller from a summary view
controller, which needs to be updated when the editor view controller
makes
changes), you can use KVO or notifications, but if the communication is by
design of interest only to the parent and child view controllers, just
make
the parent the delegate of the child. So if the child, say, had a list of
favorite URLs for the user to select, it could call something like
[delegate
didSelectFavorite:url] which would cause the parent to be updated (and
change appearance when the child is popped off the stack
Re: Scaling a NSImage not working
-drawInRect draws the image into the destination rectangle, stretching or shrinking as necessary to get it to fit. If you want to preserve the aspect ratio, you'll have to generate a scaled rectangle with the image's aspect ratio. That's just simple math. On Jun 1, 2011, at 9:29 PM, Development wrote: Ok am I barking up the wrong tree here? I know there has to be a way of taking an image of size say 128X128 and drawing it in to a rectangle of say size 256X512 without loosing the aspect ratio of the original image. However The following code DOES NOT DO THIS NSImage * screenImage = [[NSImage alloc]initWithCGImage:cgImage size:NSMakeSize(CGImageGetWidth(cgImage), CGImageGetHeight(cgImage))]; NSImage * destination = [[NSImage alloc]initWithSize:movieFrame.size]; [destination lockFocus]; [[NSColor blackColor]set]; NSRectFill([destination alignmentRect]); //I want a black poster frame around the image [screenImage drawInRect:[destination alignmentRect] fromRect:[screenImage alignmentRect] operation:NSCompositeSourceAtop fraction:1.0]; [destination unlockFocus]; Was I completely mistaken in thinking that the way I'm doing this was suppose to preserve the aspect ratio? Is it even possible to do what I'm trying to do? (I know the answer is yes since I've seen it done.) Am I going to have to do this at the CGImage level? Some kind of information would be nice google is a bust, cannot find the information on the developer site. All the examples I have seen assume the source and destination images are the same size However as I explained before, the user is able to select specific areas in the capture view to focus on. And since the selections never have the same aspect ratio as the destination, when I try to draw the image it's distorted. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Malformed URL string in openURL
On Jun 7, 2011, at 6:32 PM, James Merkel wrote: On Jun 7, 2011, at 6:20 PM, Jens Alfke wrote: On Jun 7, 2011, at 6:17 PM, James Merkel wrote: The following works ok: NSString * mapquestURLString; mapquestURLString = [NSString stringWithString:@http://mapq.st/?maptype=hybridq=39.7452,-104.98916;]; (Just FYI, the -stringWithString call is redundant. You can just assign the constant directly to the variable.) mapquestURLString = [NSString stringWithString:@http://mapq.st/?maptype=hybridq=39.7452,-104.98916(Test point label)”]; It’s not the parens that are illegal, it’s the spaces. Change them to %20 and you should be OK. —Jens Right you are -- thanks. I was using stringWithString because I actually was building up a URL string by appending strings. I simplified the code to show the problem. Is there some reason you're not using built-in support to properly escape strings that are part of URLs? NSString* mapType = @hybrid; NSString* location = @39.7452,-104.98916(Test point label); mapquestURLString = [NSString stringWithFormat:@http://mapq.st/?maptype=%@q=%@;, [mapType stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding], [location stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: iOS: encoding a custom view with a shape in it
How do the results differ between what you saw before and after saving the document? Is everything wrong? or just the scaling, the rotation, what? And to draw an object, are you using an affine transform just to rotate it or for scaling and/or translation as well? On Jun 9, 2011, at 4:25 PM, Development wrote: This app allows users to do a number of graphical things. On of those things is to draw rectangles and ellipses. No it would not be complete if they could not resize and rotate these shapes. Thus the features exist. The problem comes when I freeze dry the object. I encode it exactly as it exists at the moment the saveDocument: option is invoked. colors, frame,rotation etc logging these values confirms them When I unfreeze it, well the values remain identical. hence I know the save worked. I initialize the object with the decoded rectangle for the frame I then apply the transition to rotate it to the correct angle. hmm the result looks nothing like the initial item did at save time So I've been looking at this very closely... Is this happening because simply applying the last known frame and angle does not mean it will match? If this is the case, does it mean then that in order to preserve the exact state, I must not only save all the data about the object but an array of every change made to the object such as resizes and rotations in order to get the correct result? My bandaid is to convert the view in to a UIImage and save the image. This fixes the problem however the downside is that special effects that can be applied to rectangles and ellipses are not available on reload. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: iOS: encoding a custom view with a shape in it
And also to clarify, are you freeze drying a view or the objects it draws? You should be doing the latter since that's part of your model. On Jun 11, 2011, at 6:47 PM, Steve Christensen wrote: How do the results differ between what you saw before and after saving the document? Is everything wrong? or just the scaling, the rotation, what? And to draw an object, are you using an affine transform just to rotate it or for scaling and/or translation as well? On Jun 9, 2011, at 4:25 PM, Development wrote: This app allows users to do a number of graphical things. On of those things is to draw rectangles and ellipses. No it would not be complete if they could not resize and rotate these shapes. Thus the features exist. The problem comes when I freeze dry the object. I encode it exactly as it exists at the moment the saveDocument: option is invoked. colors, frame,rotation etc logging these values confirms them When I unfreeze it, well the values remain identical. hence I know the save worked. I initialize the object with the decoded rectangle for the frame I then apply the transition to rotate it to the correct angle. hmm the result looks nothing like the initial item did at save time So I've been looking at this very closely... Is this happening because simply applying the last known frame and angle does not mean it will match? If this is the case, does it mean then that in order to preserve the exact state, I must not only save all the data about the object but an array of every change made to the object such as resizes and rotations in order to get the correct result? My bandaid is to convert the view in to a UIImage and save the image. This fixes the problem however the downside is that special effects that can be applied to rectangles and ellipses are not available on reload. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: iOS: encoding a custom view with a shape in it
On Jun 15, 2011, at 8:29 AM, Development wrote: Using the keyed archiver I save all of the values related to the drawing inside of the view. Then of course I save the view's parameters. OK, I can see archiving the properties of the shape(s) so that you can restore them. It sounds like you're trying to archive the view as well, but I'm unsure why. A view just provides a place to draw things, but it has nothing to do with the data model, so it doesn't really make sense to save it as well. The properties needed to draw the shapes should be able to stand independent of the view. I'm not sure what you mean by the objects it draws? I'm using CGContext methods to draw rectangles and elipses so other than saving all the values such as transforms and colors and all I'm not sure what you mean. The objects are the rectangles and ellipses. I had assumed that you created shape classes to hold the properties (frame, rotation, color, etc.) and to draw those shapes. On Jun 11, 2011, at 6:49 PM, Steve Christensen wrote: And also to clarify, are you freeze drying a view or the objects it draws? You should be doing the latter since that's part of your model. On Jun 11, 2011, at 6:47 PM, Steve Christensen wrote: How do the results differ between what you saw before and after saving the document? Is everything wrong? or just the scaling, the rotation, what? And to draw an object, are you using an affine transform just to rotate it or for scaling and/or translation as well? On Jun 9, 2011, at 4:25 PM, Development wrote: This app allows users to do a number of graphical things. On of those things is to draw rectangles and ellipses. No it would not be complete if they could not resize and rotate these shapes. Thus the features exist. The problem comes when I freeze dry the object. I encode it exactly as it exists at the moment the saveDocument: option is invoked. colors, frame,rotation etc logging these values confirms them When I unfreeze it, well the values remain identical. hence I know the save worked. I initialize the object with the decoded rectangle for the frame I then apply the transition to rotate it to the correct angle. hmm the result looks nothing like the initial item did at save time So I've been looking at this very closely... Is this happening because simply applying the last known frame and angle does not mean it will match? If this is the case, does it mean then that in order to preserve the exact state, I must not only save all the data about the object but an array of every change made to the object such as resizes and rotations in order to get the correct result? My bandaid is to convert the view in to a UIImage and save the image. This fixes the problem however the downside is that special effects that can be applied to rectangles and ellipses are not available on reload. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Animating handwriting
Is this a correct interpretation of what you're trying to do? You have a title string that will be drawn in a handwriting font. You wish to reveal each of the letter strokes over time as if someone were actually writing the title on a piece of paper. On Jun 23, 2011, at 9:45 AM, Gustavo Pizano wrote: Hello. Yes kinda. G. On Jun 23, 2011, at 6:34 PM, Conrad Shultz wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 6/23/11 6:50 AM, Gustavo Adolfo Pizano wrote: Helo Ken. Thanks for answer, I meant, I have some title string already, and I wish to be able to animate as if its being written at the moment, also I forgot to mention that this is for iOS. Sorry, do you mean that you have an NSString and a handwriting font, and you wish to animate the rendering of the string in that font? - -- Conrad Shultz Synthetiq Solutions www.synthetiqsolutions.com ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to resolve bulk warning Creating selector for nonexistent method ...?
For the nonexistent method warnings, your project- or target-level settings likely have Undeclared Selector checked in the GCC warnings section of the build settings. For the multiple selectors warnings, look at the Strict Selector Matching item in the same section. It says this will pop up if you're trying to send the message to a variable of type id, vs to an explicit class type. On Jul 3, 2011, at 6:16 PM, arri wrote: Hi Motti, I would be very interested to know how you resolved this issue, if at all. I'm suddenly facing the same issue, out of no-where. Instead of trying to find the source of the problem, I just reverted to the last known working version (svn), but the warnings persist. This surprises me a bit, because earlier today i had cleaned the project and made a release-build for distribution to the client, and this went fine. I'm sure i'm overlooking something very obvious and stupid. Does anyone have an idea what that could be? thanks, arri On Mon, Jan 25, 2010 at 12:04 PM, Motti Shneor mot...@waves.com wrote: Hi everyone. I'm building static library, whose outward API is plain C, and whose implementation is Cocoa-based. It was building and working alright, until (yesterday) something changed, and any attempt to clean/build/rebuild it produces huge amount of compilation warnings, on EVERY Obj-C message. First, there's a bulk of warnings like this: /Volumes/Data/.../FileManager_GUI_Mac.mm:224: warning: creating selector for nonexistent method 'openPanel' /Volumes/Data/.../FileManager_GUI_Mac.mm:196: warning: creating selector for nonexistent method 'release' /Volumes/Data/.../FileManager_GUI_Mac.mm:193: warning: creating selector for nonexistent method 'code' /Volumes/Data/.../FileManager_GUI_Mac.mm:190: warning: creating selector for nonexistent method 'savePanel' /Volumes/Data/.../FileManager_GUI_Mac.mm:190: warning: creating selector for nonexistent method 'alloc' /Volumes/Data/.../FileManager_GUI_Mac.mm:171: warning: creating selector for nonexistent method 'stringWithFormat:' /Volumes/Data/.../FileManager_GUI_Mac.mm:160: warning: creating selector for nonexistent method 'getCString:maxLength:encoding:' Then another bulk of warnings, complaining about DOUBLE definitions for Cocoa methods /Volumes/Data/.../FileManager_GUI_Mac.mm:244:0 /Volumes/Data/.../FileManager_GUI_Mac.mm:244: warning: multiple selectors named '+isVertical' found /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSplitView.h:30:0 /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSplitView.h:30: warning: found '-(BOOL)isVertical' /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSliderCell.h:59:0 /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSliderCell.h:59: warning: also found '-(NSInteger)isVertical' Notes: The project is building Intel-only Universal (32/64bit, architectures i386 and x86_64 I only #import Cocoa/Cocoa.h once, in a single source file (an interface header file). I added (linked) the Cocoa Framework once in the project, referencing the Current SDK. The project DOES compile, and even works. If i turn on the Build Active Architecture Only build option for the project (ONLY_ACTIVE_ARCH = YES) then I only get the warnings when I compile 32bit. 64bit compilation is free of warnings. These warnings worry me, as I might be using a wrong framework, and the code may break on a user machine. Any idea will be greatly appreciated. Motti Shneor -- Senior Software Engineer Waves Audio ltd. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: How to resolve bulk warning Creating selector for nonexistent method ...?
You mentioned switching between debug and release configurations, so that would be a good first place to look since individual build settings can be set on a per-configuration basis. On Jul 5, 2011, at 3:59 PM, arri wrote: Hi Steve, Thanks for your reply! Usually i would be tempted to get to the bottom of this and understand where/what mistakes were made (and by who;). But other than switching between Debug/Release i hadn't touched the build-settings at all, so i figured the problem couldn't be there.. But meanwhile i did managed to 'fix' the issue by clearing Xcode's caches ( XCode-app-menu Empry Caches ). Appearanly some things got corrupted and/or confused on that level. As a nice bonus, i also got about 10Gb of diskspace back. So i have no clue what the real problem was, but it's fixed. thanks, arri On Tue, Jul 5, 2011 at 9:17 PM, Steve Christensen puns...@mac.com wrote: For the nonexistent method warnings, your project- or target-level settings likely have Undeclared Selector checked in the GCC warnings section of the build settings. For the multiple selectors warnings, look at the Strict Selector Matching item in the same section. It says this will pop up if you're trying to send the message to a variable of type id, vs to an explicit class type. On Jul 3, 2011, at 6:16 PM, arri wrote: Hi Motti, I would be very interested to know how you resolved this issue, if at all. I'm suddenly facing the same issue, out of no-where. Instead of trying to find the source of the problem, I just reverted to the last known working version (svn), but the warnings persist. This surprises me a bit, because earlier today i had cleaned the project and made a release-build for distribution to the client, and this went fine. I'm sure i'm overlooking something very obvious and stupid. Does anyone have an idea what that could be? thanks, arri On Mon, Jan 25, 2010 at 12:04 PM, Motti Shneor mot...@waves.com wrote: Hi everyone. I'm building static library, whose outward API is plain C, and whose implementation is Cocoa-based. It was building and working alright, until (yesterday) something changed, and any attempt to clean/build/rebuild it produces huge amount of compilation warnings, on EVERY Obj-C message. First, there's a bulk of warnings like this: /Volumes/Data/.../FileManager_GUI_Mac.mm:224: warning: creating selector for nonexistent method 'openPanel' /Volumes/Data/.../FileManager_GUI_Mac.mm:196: warning: creating selector for nonexistent method 'release' /Volumes/Data/.../FileManager_GUI_Mac.mm:193: warning: creating selector for nonexistent method 'code' /Volumes/Data/.../FileManager_GUI_Mac.mm:190: warning: creating selector for nonexistent method 'savePanel' /Volumes/Data/.../FileManager_GUI_Mac.mm:190: warning: creating selector for nonexistent method 'alloc' /Volumes/Data/.../FileManager_GUI_Mac.mm:171: warning: creating selector for nonexistent method 'stringWithFormat:' /Volumes/Data/.../FileManager_GUI_Mac.mm:160: warning: creating selector for nonexistent method 'getCString:maxLength:encoding:' Then another bulk of warnings, complaining about DOUBLE definitions for Cocoa methods /Volumes/Data/.../FileManager_GUI_Mac.mm:244:0 /Volumes/Data/.../FileManager_GUI_Mac.mm:244: warning: multiple selectors named '+isVertical' found /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSplitView.h:30:0 /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSplitView.h:30: warning: found '-(BOOL)isVertical' /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSliderCell.h:59:0 /Developer/SDKs/MacOSX10.5.sdk/System/Library/Frameworks/AppKit.framework/Headers/NSSliderCell.h:59: warning: also found '-(NSInteger)isVertical' Notes: The project is building Intel-only Universal (32/64bit, architectures i386 and x86_64 I only #import Cocoa/Cocoa.h once, in a single source file (an interface header file). I added (linked) the Cocoa Framework once in the project, referencing the Current SDK. The project DOES compile, and even works. If i turn on the Build Active Architecture Only build option for the project (ONLY_ACTIVE_ARCH = YES) then I only get the warnings when I compile 32bit. 64bit compilation is free of warnings. These warnings worry me, as I might be using a wrong framework, and the code may break on a user machine. Any idea will be greatly appreciated. Motti Shneor -- Senior Software Engineer Waves Audio ltd. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com
Re: iOS: AVFoundation, AVAssetWriter and caching
With the caveat that I haven't actually tried it, would it make more sense to be streaming the movie data to a local file, then specifying the URL/path to the file in the initializer method of one of the movie player classes? If the player can handle the case where not all the movie data is present then it should just do the right thing. The benefit is that you can use the same code to play the movie, no matter how much of it is local. On Jul 5, 2011, at 8:03 PM, John Michael Zorko wrote: I'm interested in caching a movie as I play it from the internet, so that the next time the user asks for the movie, it can play it from the device filesystem. I'm thinking capturing frames and audio and using an AVAssetWriter like I would when recording from the camera, but i'm not sure if this will work when recording from a playing asset. Would anyone illuminate me as to whether this is possible, or if I need to explore other ways of doing this (which would probably be a lot less cool and efficient than doing it this way, alas)? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: IOS graphics
The first thing I notice is that none of the CGContext* calls after UIGraphicsBeginImageContext is referring to that image context so they are having no effect on it. You should move the UIGraphicsGetCurrentContext down after the [drawImage...] call. If you are still not able to get the desired result with any of the Quartz blend modes, you'll need to create a bitmap context and tweak the pixels in the pixel buffer directly. On Jul 11, 2011, at 8:48 AM, Development wrote: Sorry I figured since it was only a sudo change anyway it wouldn't matter. UIImage * drawImage = rotatingView.image; CGContextRef context = UIGraphicsGetCurrentContext(); CGRect newRect = CGRectMake(0.0, 0.0, rotatingView.frame.size.width, rotatingView.frame.size.height); UIGraphicsBeginImageContext(newRect.size); [drawImage drawInRect:newRect]; CGContextTranslateCTM(context, 0.0, rotatingView.frame.size.height); CGContextScaleCTM(context, 1.0, -1.0); CGContextClipToMask(context, newRect, drawImage.CGImage); CGContextSetBlendMode(context, kCGBlendModeHue); CGContextSetRGBFillColor(context, self.color.r ,self.color.g , self.color.b, 1.0); CGContextFillRect(context, newRect); UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); This applies a colored rectangle applied over the image and clipped to it as a mask. Which is not what I want. But even it if was the problem is that when I get the png rep so I can save it with transparency to the document, the applied color is lost. An easy way around this is to sable the color values and reapply because when the document is flattened and save as a png the color appears correctly. But again that's effort in the wrong direction anyway. A side note the alpha is 1.0 right now, but in the finished product I thought I'd use a slider to adjust that as intensity or something. Anyway it doesn't matter it's just a colored rectangle over top of the image. On Jul 11, 2011, at 5:16 AM, Mike Abdullah wrote: Giving us a link to the example code would be a big help in understanding what you're trying. On 11 Jul 2011, at 02:06, Development wrote: Im having a problem with adjusting the color values of a UIImage. How does one adjust levels and color values of a UIImage. The example code I found only overlays a rectangle clipped to an image mask. It looks like color value adjustment until you realize 2 things. a) I absolutely cannot render the image view with the color adjustment into a graphic context with the adjustment in tact, because what I always get back is the original, unadjusted image. a b) it's not really adjusting the levels. And since it isn't it also means I cannot actually adjust the brightness, contrast or anything else either. Is adjusting UIImage color levels even possible? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Strange NSFileManager file replacement issue
On Aug 19, 2011, at 7:17 AM, Sixten Otto wrote: On Thu, Aug 18, 2011 at 10:38 PM, Ken Thomases k...@codeweavers.com wrote: Those functions, and the general operation that they perform, require that the files to be exchanged be on the same file system. If true, that certainly makes that method far less useful in the general case than I expected, and really seems restricted to the saving a new copy of an in-memory document and swapping it case. I really don't want to put the in-process download into the Documents tree. (Both because it's potentially visible to the user through iTunes, and because NSTemporaryDirectory() will be swept up occasionally.) Is there any reason why you can't put the downloaded file in your app's private cache directory (.../appdir/Library/Caches), i.e., what gets returned by NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)? That should certainly be within the bigger app directory hierarchy, and thus a peer of the app's Documents directory. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Account validation in CocoaTouch for the purchased app
On Dec 20, 2011, at 2:26 PM, Alexander Reichstadt wrote: given an app is sold on iTunes, is there a way for that app to find out which email address was used for the iTunes account when it was purchased? I don't believe so. As far as I know, the only way to find that out is to ask the user. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSString looses Umlaute
And just to add in one more bit about why it's important to separate the text from the binary header, -initWithData:encoding: [r]eturns nil if the initialization fails for some reason (for example if data does not represent valid data for encoding). (That is from the NSString docs.) On Dec 22, 2011, at 9:30 AM, Alexander Reichstadt wrote: I should add, you are right in that it also says: n+1, 1 byte, 0x0D stored as the Field Descriptor terminator. Everything from byte 68 on is then a multiple of 48 bytes, so I can simply check on each 67+(n*48)+1 to see if that byte is 0x0D, which is the marker position of which to follow Mike's advise on getting the subdata. Alex Am 22.12.2011 um 17:29 schrieb Ken Thomases: On Dec 22, 2011, at 9:54 AM, Alexander Reichstadt wrote: The DBF file format documentation says the header is in binary, then there is a linefeed (\r), then there is the body. Each field has a fixed length, wether used or not doesn't matter, the unused rest is filled with spaces. So, I read the file as data, stringily it as DOSLatin1, split it at the linefeed and read the body according to the field definitions I am given. They are guaranteed, so maybe some day I get around to writing a nice DBF parser, but until then I go by the guaranteed field lengths. I tested it now on a couple of files and it works without a hitch. If the header is binary, then any of its bytes might be 0x0D, which is the same as \r (or did you actually mean it when you said linefeed which is 0x0A or \n?), so your approach will fail. In all probability, the header is a fixed length and you can just skip that part of the data. Either way, if this is meant for more than a casual, one-off, in-house app, you'll have to find a more reliable technique. Regards, Ken ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Storyboard SplitViewController example
On Dec 24, 2011, at 7:13 PM, Jamie Daniel wrote: I am very new to Xcode and iPad development. I am trying to do the following: I have an initial NavigationController and ViewController. I am trying to go from a button on the ViewController to a SplitViewController using Storyboards but I can't seem to get it to work. Does anyone have an example of how to do it? Or an example of how to hand code it? The iPad-Specific Controllers section of the View Controller Programming Guide for iOS specifically says: A split view controller must always be the root of any interface you create. In other words, you must always install the view from a UISplitViewController object as the root view of your application’s window. The panes of your split-view interface may then contain navigation controllers, tab bar controllers, or any other type of view controller you need to implement your interface. This topic has come up here in the past, so you may want to search the archives. Also, you cross-posted to the Xcode mailing list. This would be off-topic there so I removed it in this reply. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
