On 17 Apr '08, at 9:56 PM, Adam P Jenkins wrote:
Can you give an example of where invoking methods on nil objects
would make sense in a non-error-path situation? I'm not trying to
be argumentative here, I'm really curious to know what Objective-C
idioms take advantage of the
I've successfully used @dynamic property implementations with CoreData
managed-object subclasses. The only limitation I know of is that it
only works with object-valued properties, not scalars. But that's not
what you're running into.
My guess would be that you're not instantiating the
On 17 Apr '08, at 1:19 PM, JanakiRam wrote:
Is there any cocoa way to mount a volume silently by passing the
user name and password.
There is no Objective-C API; you'll have to use either CoreServices or
POSIX APIs.
I would look at the FSVolumeMount function.
—Jens
smime.p7s
On 18 Apr 2008, at 07:18, [EMAIL PROTECTED] wrote:
Date: Fri, 18 Apr 2008 00:56:13 -0400
On Apr 18, 2008, at 12:47 AM, Bill Bumgarner wrote:
On Apr 17, 2008, at 11:20 PM, Adam P Jenkins wrote:
Exactly. And now that the convention of methods returning self no
longer exists, it seems like
This is not really a Cocoa-specific problem, but before I embark on a
long-winded quest, I just wonder if there's a solution out there
already.
Given two rectangles that overlap in some way, I need to create a list
of all the rectangles that make up the non-overlapping areas. In other
so I see at least one other thread on this topic but no real solution.
the situation is:
using NSTask to run a shell command and using the return.
all the NSTask stuff is in a separate function which gets called
repeatedly from a loop.
works great until I run out out NSPipes - about 248
On 18 Apr 2008, at 06:20, Adam P Jenkins wrote:
Of course (and as you have discovered), there are an awful lot of
situations where a 'nil' return value is actually indicative of a
serious problem -- something has failed that shouldn't have. And
tracking it down can be a pain.
Exactly.
Since Cocoa is not an option, this is probably the wrong list to be
asking... Maybe mac-opengl on this list server is more appropriate?
Cheers,
Paul
On Thu, Apr 17, 2008 at 8:43 PM, J. Todd Slack
[EMAIL PROTECTED] wrote:
Hi All,
I wish to create a UI using OpenGL for use in an ITunes
Hi,
I'd like to know who tells NSDocument that its location has been
changed by other apps and how to get the notification.
I'd like to hack before you notice something like the document's
location was changed, so do you want to save any other location? when
you open the file by an app
on 2008-04-18 2:23 AM, Jens Alfke at [EMAIL PROTECTED] wrote:
On 17 Apr '08, at 1:19 PM, JanakiRam wrote:
Is there any cocoa way to mount a volume silently by passing the
user name and password.
There is no Objective-C API; you'll have to use either CoreServices or
POSIX APIs.
I would
Hi Jens,
Thanks for the reply.
Can you provide some pointers on using FSVolumeMount API or some
CoreServices API.
If no API is available , then how Finder is able to connect to afp volume
using Connect to Server (Cmd+K). Any pointers on these is greatly
appreciated.
-JanakiRam.
On Fri, Apr
On 18 Apr 2008, at 12:52, JanakiRam wrote:
Hi Jens,
Thanks for the reply.
Can you provide some pointers on using FSVolumeMount API or some
CoreServices API.
If no API is available , then how Finder is able to connect to afp
volume
using Connect to Server (Cmd+K). Any pointers on these is
On Apr 17, 2008, at 4:28 AM, Heinrich Giesen wrote:
Sorry, pressed the wrong button.
And: if the bezier path shall always be drawn 1 pixel wide,
independent
of resolution and scaling the lineWidth should be set to 0 (zero)
While this works for PostScript, it does not work for Quartz.
I have the function wrapped in an autorelease pool and have tried
explicitly allocating and releasing the NSPipe.
Sre you sure the NSPipes are being dealloc'd? Are you sure you have sent
release/autorelease enough times? NSTask probably retains the NSPipes. Are
you reusing the same NSTask? If
On 18 Apr 2008, at 10:19 pm, Scott Thompson wrote:
On Apr 17, 2008, at 4:28 AM, Heinrich Giesen wrote:
Sorry, pressed the wrong button.
And: if the bezier path shall always be drawn 1 pixel wide,
independent
of resolution and scaling the lineWidth should be set to 0 (zero)
While this
Quoting Graham Cox [EMAIL PROTECTED]:
This is not really a Cocoa-specific problem, but before I embark on a
long-winded quest, I just wonder if there's a solution out there
already.
Given two rectangles that overlap in some way, I need to create a list
of all the rectangles that make up the
Sorry, that should have gone just to the original poster.
-- Richard Kennaway
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On 18/04/2008, at 10:28 PM, Graham Cox wrote:
On 18 Apr 2008, at 10:19 pm, Scott Thompson wrote:
On Apr 17, 2008, at 4:28 AM, Heinrich Giesen wrote:
Sorry, pressed the wrong button.
And: if the bezier path shall always be drawn 1 pixel wide,
independent
of resolution and scaling the
On 18/04/2008, at 11:06 PM, Graham Cox wrote:
On 18 Apr 2008, at 11:01 pm, Peter Zegelin wrote:
Weird - I just set the stroke width of my selection rectangle to 0
and didn't get anything.
Peter
What function is drawing? I'm not sure this works with
NSFrameRectWithWidth(), but it
On 18 Apr 2008, at 05:56, Adam P Jenkins wrote:
On Apr 18, 2008, at 12:47 AM, Bill Bumgarner wrote:
On Apr 17, 2008, at 11:20 PM, Adam P Jenkins wrote:
Exactly. And now that the convention of methods returning self no
longer exists, it seems like there's no longer any advantage to
this
On 18 Apr 2008, at 11:21 pm, Scott Thompson wrote:
Setting a line width of 0 draws a 1-pixel wide line at the
resolution of the device it draws to, so on screen, that's 1/72 of
an inch (approx) on a printer 1/600 inch, say. It's a useful way to
isolate drawing from any CTM scaling. This is
Hi guys,
I have build cocoa application. I am finding out as many ways as possible of
application installation which can be done either locally or remotely.
Can you please list all those ways?
Thanks,
Palav
--
There are many things in your life that will catch your eye but only a few
will
What function is drawing? I'm not sure this works with
NSFrameRectWithWidth(), but it definitely does with NSBezierPath/
stroke.
The NSFrameRect family of routines are odd ducks to begin with. In
some ways, they tend to to be more pixel oriented than your typical
drawing routines. For
On Apr 18, 2008, at 1:16 AM, Graham Cox wrote:
Here's a simple example:
- (void) dealloc
{
[someIvar release];
[super dealloc];
}
is someIvar really initialised? Maybe it's nil? Do I care at this
point? no - either way, the code is correct - if the object was
made, it's released,
I have build cocoa application. I am finding out as many ways as possible of
application installation which can be done either locally or remotely.
Can you please list all those ways?
Have a look at this document:
It's worth noting that you also need to define more clearly what you
mean by remotely. Do you mean pushing software packages to clients
on a network or over the Internet? An installer that pulls its payload
from a remote server? Something else?
--
m-s
On 18 Apr, 2008, at 09:36, I. Savant
Remotely means pushing software packages to clients on a network. Not
understood meaning of An installer that pulls its payload from a remote
server.
Palav
On Fri, Apr 18, 2008 at 7:31 PM, Michael Watson [EMAIL PROTECTED]
wrote:
It's worth noting that you also need to define more clearly what
ya, option An installer that pulls its payload from a remote server will
also be ok.
Palav
On Fri, Apr 18, 2008 at 7:53 PM, parag vibhute [EMAIL PROTECTED]
wrote:
Remotely means pushing software packages to clients on a network. Not
understood meaning of An installer that pulls its payload
Richard, thanks very much for applying yourself to this problem. You
make it seem easy, and it works a treat. I obviously haven't drunk
enough coffee today as it looked a lot harder than it turned out to be!
Here's my ready-to-use Cocoa-conversion, if anyone else wants to make
use of it.
Remotely means pushing software packages to clients on a network. Not
understood meaning of An installer that pulls its payload from a remote
server.
That's considerably more complicated than a simple client-side
install by dragging an application to a folder. :-)
I wonder if you realize
Here's a simple example:
- (void) dealloc
{
[someIvar release];
[super dealloc];
}
It's worth noting that even in C++ there's a special case for delete, so
that one can write delete myptr rather than if(myptr) delete myptr) 10
bazillion[1] times. I was around when this behavior was
The third approach is to use the NSTextTable, as described in http://
developer.apple.com/documentation/Cocoa/Conceptual/TextLayout/
Articles/TextTables.html
Cheers,
Erik.
On 16 Apr 2008, at 22:44, Luca Torella wrote:
Hi all,
I know this has been discussed many times before, but I still
I don't know much about Mac OS X Server, but does it have this type of
remote installation without requiring ARD?
Thanks,
Palav
On Fri, Apr 18, 2008 at 8:04 PM, I. Savant [EMAIL PROTECTED]
wrote:
Remotely means pushing software packages to clients on a network. Not
understood meaning of An
I am currently working on a project which is similar to an iChat application
tool. I want to save the chat session as iChat does. Incase of iChat we have
noted how when we click on save copy menu item it saves the copy of the chat
session as a file with time. And when we want to see the chat
On Fri, Apr 18, 2008 at 10:56 AM, parag vibhute [EMAIL PROTECTED] wrote:
I don't know much about Mac OS X Server, but does it have this type of
remote installation without requiring ARD?
This is definitely off-topic for this list. You'll want to take
these types of questions to a more
Fine.
Palav
On Fri, Apr 18, 2008 at 8:30 PM, I. Savant [EMAIL PROTECTED]
wrote:
On Fri, Apr 18, 2008 at 10:56 AM, parag vibhute [EMAIL PROTECTED]
wrote:
I don't know much about Mac OS X Server, but does it have this type of
remote installation without requiring ARD?
This is definitely
In my case I want to save my chat session in an html file which when
double clicked will open the file in the browser and will show all the chat
messages with their respective images of the people who are sending the
messages. How can I do this? One more thing my application is not
Hi,
how would I go about setting NSTextView up so its insets are dx1 from
the left and dx2 from the right side?
I guess setTextContainerInset: will set for both left and right the
same value (dx1 = dx2).
Thanks,
Ferhat
___
Cocoa-dev
Hah! I believe Paul and Jens have identified the problem! Yes, I am
using [[Tip alloc] init]. I'll rework that portion of the code and
ping back later confirmating the good news.
Thanks guys!
Mike
On Apr 17, 2008, at 11:13 PM, Paul Goracke wrote:
[snip]
I think the problem is in your
On 18 Apr '08, at 4:52 AM, JanakiRam wrote:
Can you provide some pointers on using FSVolumeMount API or some
CoreServices API.
I haven't used any of those functions. How about reading the
documentation? Just type FSVolumeMount into Xcode's documentation
viewer.
If no API is available
On Apr 18, 2008, at 9:56 AM, Adam P Jenkins wrote:
On Apr 18, 2008, at 1:16 AM, Graham Cox wrote:
Here's a simple example:
- (void) dealloc
{
[someIvar release];
[super dealloc];
}
is someIvar really initialised? Maybe it's nil? Do I care at this
point? no - either way, the code is
The docs for -editColumn:row:withEvent:select: ominously claim:
The row at rowIndex must be selected prior to calling
editColumn:row:withEvent:select:, or an exception will be raised.
I'm implementing a subclass of NSTableView which behaves a little more
like an Excel spreadsheet—it
I'm doing some manipulation of selected text and having some
inconsistencies, apparently based on what the *contents* of the text
is. I'm very confused about this, hopefully someone can set me
straight.
I'm using writeSelectionToPasteboard:types: to get the current text
selection, using
You can subclass the text view and returned an origin point from -
(NSPoint)textContainerOrigin. This will give you origin.x
+inset.width on the left and just inset.width on the right when used
in conjunction with setTextContainerInset.
-Ben
--
Ben Lachman
Acacia Tree Software
Hi,
I have an NSMenuItem in my application that toggles the visibility of
my application's main window. If the user hasn't entered a license
code for the application, I call a method in my main controller that
shows a custom sheet that asks them to register.
- (void) showTrialWindow {
Hey everybody,
Is it possible to obtain the raw bitmap data from a CGImageRef? Thanks.
Regards,
Carter
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On Friday, April 18, 2008, at 11:32AM, Carter R. Harrison [EMAIL PROTECTED]
wrote:
Hey everybody,
Is it possible to obtain the raw bitmap data from a CGImageRef? Thanks.
CGImageGetDataProvider and CGImageProviderCopyData should do what you want.
--
adam
Reading the list archives a little more, it looks like there may be two
ways to do this:
- _NSHighlightCarbonMenu and _NSUnhighlightCarbonMenu are SPIs which
take an NSMenu* and do exactly what you'd expect
- You can add a fake temporary menu item to your menu, with a suitably
bizarre key
On Friday, April 18, 2008, at 11:40AM, Adam R. Maxwell [EMAIL PROTECTED]
wrote:
On Friday, April 18, 2008, at 11:32AM, Carter R. Harrison [EMAIL
PROTECTED] wrote:
Hey everybody,
Is it possible to obtain the raw bitmap data from a CGImageRef? Thanks.
CGImageGetDataProvider and
Thanks Adam.. For some reason I cannot seem to find
CGDataProviderCopyData in the Apple docs. I can search for it at the
ADC, and it returns the page for CGDataProvider as the first hit, but
once you go to that page, there is absolutely no reference to
CGDataProviderCopyData. Strange.
On Apr 18, 2008, at 1:54 PM, Carter R. Harrison wrote:
Thanks Adam.. For some reason I cannot seem to find
CGDataProviderCopyData in the Apple docs. I can search for it at
the ADC, and it returns the page for CGDataProvider as the first
hit, but once you go to that page, there is
On Apr 18, 2008, at 4:23 AM, justin webster wrote:
so I see at least one other thread on this topic but no real solution.
the situation is:
using NSTask to run a shell command and using the return.
all the NSTask stuff is in a separate function which gets called
repeatedly from a loop.
works
On Apr 18, 2008, at 2:03 PM, Jens Alfke [EMAIL PROTECTED] wrote:
I haven't used any of those functions. How about reading the
documentation? Just type FSVolumeMount into Xcode's documentation
viewer.
Well, um, that won't help him much, because there is no such function.
Something like this
Hi
I'm new to Cocoa and I'm trying to figure out how to create a simple
popup which can be displayed from a command line tool or a background
process. Ideally it would be something like NSAlert plus a text input
field. I've been reading Apple's docs on windows, documents and the
various
On Fri, Apr 18, 2008 at 2:23 PM, Rob Napier [EMAIL PROTECTED] wrote:
On Apr 18, 2008, at 2:26 PM, Justin Williams wrote:
When you say a secondary NSMenuItem in the user's menu bar, what do you
mean?
-Rob
Hi Rob,
I've made a short screencast that shows what's happening. As you'll
see,
A command line tool or a true background daemon can't really pull it
off- the process wouldn't have a connection to the window server to
actually do any of that. The best bet, I think, would be to have a
small helper application that could be launched to display the
appropriate alert; the helper
Surprisingly, if you go to Xcode Documentation you can find the method
that Adam first mentioned, but it is not on the ADC website.
Thanks Scott.
On Apr 18, 2008, at 3:05 PM, Scott Thompson wrote:
On Apr 18, 2008, at 1:54 PM, Carter R. Harrison wrote:
Thanks Adam.. For some reason I
On Apr 18, 2008, at 2:59 PM, Randall Meadows wrote:
On Apr 18, 2008, at 1:48 PM, Bill Monk wrote:
On Apr 18, 2008, at 2:03 PM, Jens Alfke [EMAIL PROTECTED] wrote:
I haven't used any of those functions. How about reading the
documentation? Just type FSVolumeMount into Xcode's documentation
Thanks Stefan,
From the screenshot, it looks to me like the test app is not using
the unified title/toolbar metrics, but Mail is. Try checking the
unified title/toolbar checkbox in IB.
Your understanding of the NSToolbarItemGroup is correct. However, the
view will not be automatically
thank you! Works great.
On Apr 18, 2008, at 8:17 PM, Ben Lachman wrote:
You can subclass the text view and returned an origin point from -
(NSPoint)textContainerOrigin. This will give you origin.x
+inset.width on the left and just inset.width on the right when used
in conjunction with
These items in the upper right are called status items, to distinguish
them from menu items that are in menus.
A likely reason for this is that you create the status item in
awakeFromNib, and awakeFromNib is being executed twice - once when the
main nib is loaded, and once again when your
The fake temporary item solution actually works pretty well. It's the
last thing I'd call elegant, but here's how you can blink a menu title
in Cocoa.
This assumes that you aren't actually assigning the command+F35 key
equivalent to any of your menu items... hopefully a safe assumption for
the
Maybe try
[[NSNotificationCenter defaultCenter] removeObserver:nil name:nil
object:self]
in your dealloc method? I think that will patch the symptom, but I
still don't understand why you're getting the original error.
This bit looks important though. Makes me wonder if you've got things
Hi all,
Consider an app that uses bindings and Core Data. It has a tableview
bound to an array controller. There is an 'Add' button that creates a
new entity to be shown in the table. It could be implemented by:
1) sending add: to the array controller.
2) using a custom IBAction method that
Well, you should be able to just override the drawing code, since
thats really your problem. Going directly against the docs, while it
may work fine now, is playing with fire in my opinion. To get the
drawing you want, you can just implement
tableView:willDisplayCell:forTableColumn:row:
Hi Peter,
Thanks for your reply. You are right. Since the WWDC Beta I haven't
touched the unified checkbox because I thought that there is no
difference because the design is always unified. I also didn't find
something in the HIG about that. So when should we activate this
checkbox? Is
I am working on a program with a complex hierarchy of classes, and I
want to subclass one of the objects a few steps down on that
hierarchy. Do I have to create a parallel hierarchy to do this? Here
is the problem:
AppController instantiates a Deduction object.
The Deduction object
Ben Lachman wrote:
Well, you should be able to just override the drawing code, since
thats really your problem. Going directly against the docs, while it
may work fine now, is playing with fire in my opinion.
Yeah… that's why I posted :) I was hoping to get a oh yeah, that only
applies if
Ben Lachman wrote:
Well, you should be able to just override the drawing code, since
thats really your problem. Going directly against the docs, while it
may work fine now, is playing with fire in my opinion.
Yeah… that's why I posted :) I was hoping to get a oh yeah, that only
applies if
On Apr 18, 2008, at 2:56 PM, K. Darcy Otto wrote:
The only reason to subclass Deduction (with SDeduction) and then
DeductionLine (with SDeductionLine) is to get an SDependency
object. Is there an easier way? I suppose I could just copy the
Dependency class files and then modify it for
Yes, in Leopard, unified and non-unified windows are the same except
for some minor differences in the toolbar metrics, which you
found. :) The metric differences were left in for compatibility.
I don't think the HIG has any guidance about when to use one or the
other on Leopard, so I
On Apr 18, 2008, at 5:56 PM, K. Darcy Otto wrote:
I am working on a program with a complex hierarchy of classes, and I
want to subclass one of the objects a few steps down on that
hierarchy. Do I have to create a parallel hierarchy to do this?
Here is the problem:
AppController
On Apr 18, 2008, at 2:56 PM, K. Darcy Otto wrote:
I want to subclass Dependency and override a few things. Can I do
this without modifying DeductionLine?
Perhaps you want to create a category instead? That allows you to add
methods to Dependency without DeductionLine having to know about
Hey guys,
I need some pointers into the right direction.
I would like to create a view that display a list of objects with
their attributes. Of course NSTableView could do that. But I would
like the rows to expand vertically when I add more information to the
object ...and have the
NSTableView:
tableView:heightOfRow:
Returns the height of row in tableView.
- (CGFloat)tableView:(NSTableView *)tableView heightOfRow:(NSInteger)row
Discussion
You should implement this method if your table supports varying row
heights. The height returned should not include intercell
Does someone have any suggestions or hints about how to do this?
I am using NSScrollView to display some graphical data. The Scroll
View displays a section of my custom view which displays the
graphics. The user can drag the horizontal and vertical scrollers to
change the visible position
Not sure if it's suitable for your purposes, but IKImageView and its
currentToolMode property (IKToolModeMove). This would get you the
behavior you want for free.
JP
On Apr 18, 2008, at 2:49 PM, Steve Sheets wrote:
Does someone have any suggestions or hints about how to do this?
I am
On 18 Apr '08, at 1:21 PM, David Wilson wrote:
A command line tool or a true background daemon can't really pull it
off- the process wouldn't have a connection to the window server to
actually do any of that.
A command-line tool, invoked from a logged-in user account, can use a
GUI if it's
On 18 Apr '08, at 4:32 PM, Torsten Curdt wrote:
So I already got a custom view that is manually bound to
NSArrayController and draws the objects. Now I need to make one of
the object's string attributes editable. How to do that best?
I assume I could catch the click on the item, then
Hi Everybody,
i am writing an easy chat application. i have an object of NSTextview on my UI
form. i want to change the text color in a specified range from default color
black to red. i used the method setTextColor:range: but it did not work.
following is my declaration of the object and the
On Apr 18, 2008, at 2:54 PM, Sean McBride wrote:
Hi all,
Consider an app that uses bindings and Core Data. It has a tableview
bound to an array controller. There is an 'Add' button that creates a
new entity to be shown in the table. It could be implemented by:
1) sending add: to the array
The fake temporary item solution actually works pretty well. It's
the last thing I'd call elegant, but here's how you can blink a
menu title in Cocoa.
Unfortunately that solution (and any of the other horrible strategies
available) trigger VoiceOver for the menu item. Anyone know a way to
I guess it may be a bug.
I achieved more or less the same thing bypassing NSTask and NSPipe
and now have no issues with resource management.
the trick, I think, was fflush() and pclose(). perhaps NSPipe is
missing some tidy-up code.
there probably are more efficient ways of doing this but
The fake temporary item solution actually works pretty well.
It's the last thing I'd call elegant, but here's how you can blink
a menu title in Cocoa.
Unfortunately that solution (and any of the other horrible
strategies available) trigger VoiceOver for the menu item. Anyone
know a way
Bizarre ...remember I read it somewhere. Well, fair enough. Now got my
NSTableView with different row heights working. But how do I get other
edit controls in there? Is this the only way to stick a NSView in
there? http://www.stepwise.com/Articles/Technical/2003-12-20.01.html
Essentially I
On Apr 19, 2008, at 03:12, Jens Alfke wrote:
On 18 Apr '08, at 4:32 PM, Torsten Curdt wrote:
So I already got a custom view that is manually bound to
NSArrayController and draws the objects. Now I need to make one of
the object's string attributes editable. How to do that best?
I assume
On Apr 18, 2008, at 9:14 PM, Jens Alfke wrote:
On 18 Apr '08, at 12:49 PM, Steve Sheets wrote:
However, I also want to implement a Hand style tool. One that
allows the user to simple click inside the Scroll View and draw
the graphics around.
I think you just need to have your view's
On 18 Apr '08, at 8:59 PM, Ben Lachman wrote:
I tend to like scrollRect:by: for this sort of thing since it takes
a offset to a rect.
But that method just blits pixels around on the screen; it doesn't
actually change the coordinate system of the view. The scroll view
will do the
I think the CFUserNotification API is exactly what I'm looking for,
although I'm not pleased with daemons requiring user interaction in
the first place. An earlier reply suggested Growl which I'm thinking
is better suited for what I'm doing. Combined with a simple
preference pane for
On Apr 19, 2008, at 12:41 AM, Jens Alfke wrote:
On 18 Apr '08, at 8:59 PM, Ben Lachman wrote:
I tend to like scrollRect:by: for this sort of thing since it
takes a offset to a rect.
But that method just blits pixels around on the screen; it doesn't
actually change the coordinate system
On Fri, Apr 18, 2008 at 5:16 PM, Mark Thomas [EMAIL PROTECTED] wrote:
Hi All,
Does anybody know how to stop the STL string class including any
unicode
support, as we are compiling a .dylib with Xcode 2.2.1 on 10.4, but
when
the
library loads on a 10.2 system we are getting linker
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