Re: URLWithString fails to fails with bad string
On Tue, Nov 24, 2009 at 10:14 PM, lorenzo7...@gmail.com wrote: This returns a non-nil value: NSURL * url = [NSURL URLWithString:@sdsds]; The docs say this should fail. RFC 1758 looks for the string to begin with a scheme, eg http: While sdsds is indeed a valid relative URL according to RFC 2396, don't let NSURL's declaration of RFC-conformance fool you. I have a pretty severe bug (rdar://problem/7096953) logged against NSURL's incorrect handling of IDNs. Despite pointing to the spec, copying it into the bug report, and walking step by step through NSURL's violation thereof, I was told that it behaves according to the spec and as designed. I no longer trust NSURL's assertions of conformance. --Kyle Sluder ___ 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: Cant Access Properties of NSManagedObject from a NSArrayController...
Hi Gustavo, Gustavo Pizano gustavxcodepic...@gmail.com wrote: I needed to use not the proxy but the selected element. .. grrr.. Then I may advise you to use the lastObject selector il you expect only one selectedObject. Using objectAtIndex:0 will give a BAD_EXEC (as long I recall) Error (anyway) each time you have an empty array. hth Laurent ___ 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: Best approach to write an uninstaller for osx
Okay How i will perform these two operations in my uninstall.app 1. Removal of app icon from dock if Keep in dock is selected 2. Removal of app from user launch services if Open at login is selected On Tue, Nov 24, 2009 at 10:02 PM, Jens Alfke j...@mooseyard.com wrote: On Nov 24, 2009, at 6:30 AM, Parimal Das wrote: 4. This script copies DeleteAll.app to /private/tmp/ AND then runs DeleteAll.app from Temp location. Why do you need two different apps? Just have Uninstall.app delete itself when it finishes. do shell script sudo cp -R ' ourPath ' ' tempPath ' with administrator privileges Remember how I said to be careful about quoting? The command above will fail if ourPath contains any single quotes. Also, this task really shouldn't require admin privileges. You're making it impossible for a non-admin to uninstall the app (even from their own home directory), and greatly increasing the potential danger of your quoting error, since that cp command is capable of copying anything anywhere. —Jens -- -- Warm Regards, Parimal Das Webyog Softworks ___ 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
GC, variable optimized away wrongly?
Hi,
In my app running on snow leopard, in a particular situation I'm getting an
undesired behavior.
Debugging a for loop shows a still in scope variable being optimized away.
code: (problem occurs after the loop has been iterated thousands (may be more)
of time.
for loop statement here()
{
NSDate *currentDate = [NSDate date];// ok value here
NSTimeInterval interval = [currentDate
timeIntervalSinceDate:startDate];// ok value here
NSTimeInterval etaDouble = interval * ((totalBlocks - blockCount) /
blockCount); // * debugger doesn't list this variable, mouse shows a pop
up saying variable optimized away by compiler
int eta = (int)etaDouble; // value is 0 here instead of something
int seconds = eta % 60; // value is 0 here instead of something
int minutes = (eta / 60) % 60; // value is 0 here instead of something
int hours = ((eta / 60) / 60) % 24; // value is 0 here instead of
something
int days = ((eta / 60) / 60) / 24; // value is 0 here instead of
something
}
Why the certain variables are not listed in debugger window (only in GC-only
projects)?
Why is etaDouble is being optimized away?
Any suggestions?
Wishes,
Nick
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Re: GC, variable optimized away wrongly?
On Wed, Nov 25, 2009 at 4:50 AM, Nick Rogers roger...@mac.com wrote: In my app running on snow leopard, in a particular situation I'm getting an undesired behavior. Debugging a for loop shows a still in scope variable being optimized away. Barring a *serious* bug in the compiler, optimization does not introduce such behavior. So the bug is yours, the optimization is just interfering with your ability to fix it. NSTimeInterval etaDouble = interval * ((totalBlocks - blockCount) / blockCount); // * debugger doesn't list this variable, mouse shows a pop up saying variable optimized away by compiler int eta = (int)etaDouble; // value is 0 here instead of something The compiler's data flow analysis can prove that etaDouble is only ever used to initialize eta, so it is simply skipping emitting code for an etaDouble variable altogether. This is not why your value is 0. Why the certain variables are not listed in debugger window (only in GC-only projects)? Data flow analysis will be subject to the garbage collection rules, just like anything else. Why is etaDouble is being optimized away? Because it is unused. Any suggestions? Disable optimizations on your debug builds (-O0). --Kyle Sluder ___ 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
Custom drawing in IKImageBrowserView fails
Hi list,
i'm trying to override an IKImageBrowserView to do some custom drawing but i'm
stuck.
What i try to accomplish is that when the view contains zero items, some custom
drawing happens like drawing an NSAttributedString that says Drop items
here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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Re: Custom drawing in IKImageBrowserView fails
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView renders
into an openGL surface, so AppKit or CoreGraphics calls won't do anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest solution
but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom drawing but
i'm stuck.
What i try to accomplish is that when the view contains zero items, some
custom drawing happens like drawing an NSAttributedString that says Drop
items here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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NSOutlineView - How to hide disclosure triangle for root nodes ?
Hello to all on the list. I have a little question so if anyone could help me. I'm have an outline view that has one (for now) object in root array that acts as a root from which all other objects derives. \/ Root Array |\/ Root object |- Child 1 |- Child 2 |--- \/ Child 3 |--- Child 3.1 |--- Child 3.2 |- Child 4 My question is: How to hide the disclosure triangle in front of the Root object and remove indentation for it, and just that object (and later if there is more Root objects for them too) ? \/ Root Array | Root object |- Child 1 |- Child 2 |--- \/ Child 3 |--- Child 3.1 |--- Child 3.2 |- Child 4 I would like it too look like source list in Apple's Mail application - where it says - MAILBOXES. I found the delegate method which is used for drawing outlineCell - (void)outlineView:(NSOutlineView *)outlineView willDisplayOutlineCell:(id)cell forTableColumn: (NSTableColumn*)tableColumn item:(id)item but that method does not get called if Root object is empty. There is a method that is also used for drawing outlineCell - (NSRect)frameOfOutlineCellAtRow:(NSInteger)row but it is not a delegate method which means that I should subclass NSOutlineView to implement that behavior. I'm trying to make it work with the delegate method (that would be my preferred way) but I can't make it work. Any suggestions what to do ? And how ? There is a zip archive of my project at http://www.box.net/crowebster-public so anyone interested can download it to review my work. P.S. additional question: If there is number of object that are identical (just added to the array but not yet modified), when one item is selected and removeItem method is called upon it, all identical objects are removed instead just selected object. How to avoid that behavior (the simplest possible way) ? Notice: All objects are instances of NSMutableDictionary. That problem is also in the same project. Any suggestions are appreciated. Thanks in advance. Bye. Mario Kušnjer mario.kusn...@sb.t-com.hr +385957051982 ___ 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: Custom drawing in IKImageBrowserView fails
Also, you could try swapping out the image browser (or making it hidden) when
it is empty, and display an alternative placeholder view in its place.
Also, file a bug report requesting the ability to do this built-in.
On 25 Nov 2009, at 13:44, Thomas Goossens wrote:
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView renders
into an openGL surface, so AppKit or CoreGraphics calls won't do anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest solution
but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom drawing but
i'm stuck.
What i try to accomplish is that when the view contains zero items, some
custom drawing happens like drawing an NSAttributedString that says Drop
items here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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Re: Custom drawing in IKImageBrowserView fails
Hi Thomas,
thanks for the reply, i did try the first method you suggest with
adding a layer but it didn't work either.
I also tought of the second method but how would i make sure that my
IKImageBrowserView still receives drop event?
I ned to be compatible with 10.5 so method 3 is out of the question.
Thanks anyway!
Florian.
On 25 Nov 2009, at 14:44, Thomas Goossens wrote:
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView
renders into an openGL surface, so AppKit or CoreGraphics calls
won't do anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest
solution but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom
drawing but i'm stuck.
What i try to accomplish is that when the view contains zero items,
some custom drawing happens like drawing an NSAttributedString that
says Drop items here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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Re: Custom drawing in IKImageBrowserView fails
On 25 Nov 2009, at 14:06, Florian Soenens wrote:
Hi Thomas,
thanks for the reply, i did try the first method you suggest with adding a
layer but it didn't work either.
I also tought of the second method but how would i make sure that my
IKImageBrowserView still receives drop event?
You should be able to set the overlay to be invisible to mouse events etc.
quite easily.
I ned to be compatible with 10.5 so method 3 is out of the question.
Thanks anyway!
Florian.
On 25 Nov 2009, at 14:44, Thomas Goossens wrote:
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView renders
into an openGL surface, so AppKit or CoreGraphics calls won't do anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest solution
but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom drawing but
i'm stuck.
What i try to accomplish is that when the view contains zero items, some
custom drawing happens like drawing an NSAttributedString that says Drop
items here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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Re: Custom drawing in IKImageBrowserView fails
Thanks to all for the help.
i went with Mike's solution of swapping view.
I wrapped the IKImageBrowserView into a Tabless NSTabview with in the second
tab my dropview.
I will also file the bug report as Mike suggested.
Thanks!
On Wednesday, November 25, 2009, at 03:34PM, Mike Abdullah
cocoa...@mikeabdullah.net wrote:
On 25 Nov 2009, at 14:06, Florian Soenens wrote:
Hi Thomas,
thanks for the reply, i did try the first method you suggest with adding a
layer but it didn't work either.
I also tought of the second method but how would i make sure that my
IKImageBrowserView still receives drop event?
You should be able to set the overlay to be invisible to mouse events etc.
quite easily.
I ned to be compatible with 10.5 so method 3 is out of the question.
Thanks anyway!
Florian.
On 25 Nov 2009, at 14:44, Thomas Goossens wrote:
Hi Florian,
You can't do custom drawing this way (because the IKImageBrowserView
renders into an openGL surface, so AppKit or CoreGraphics calls won't do
anything).
So to do what you want you can either:
- make the view layer backed and add a sub-layer
- add an overlay transparent window on top of the image browser view
- add an overlay layer with setForegroundLayer: (that's the easiest
solution but it is SnowLeopard only).
-- Thomas
On Nov 25, 2009, at 2:34 PM, Florian Soenens wrote:
Hi list,
i'm trying to override an IKImageBrowserView to do some custom drawing but
i'm stuck.
What i try to accomplish is that when the view contains zero items, some
custom drawing happens like drawing an NSAttributedString that says Drop
items here...
Problem is that my drawing code gets never called.
Here's the drawRect method of my IKImageBrowserView:
- (void)drawRect:(NSRect)rect
{
[super drawRect:rect];
NSUInteger numItems = [[self dataSource]
numberOfItemsInImageBrowser:self];
if(numItems = 0)
{
NSLog(@No items in me); // This gets called, so i'm sure the
above code works
NSRect bounds = [self bounds];
bounds.size.width = 200;
bounds.size.height = 200;
bounds.origin.x += 200;
bounds.origin.y += 200;
//[NSGraphicsContext saveGraphicsState];
[[NSColor yellowColor] set]; // Just for testing purposes
NSRectFill(bounds);
//[NSGraphicsContext restoreGraphicsState];
}
}
Uncommenting the NSGrahicsContext doesn't help either.
Anyone has any ideas or workarounds for this?
Thanks in advance,
Florian
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may be unlawful.
If you have received this e-mail by mistake, please immediately notify the
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Drawing: The Right place to keep bounds
I'm really trying to do things correctly with my app but I'm at a place where I can't figure out what correct is, and all my best examples do it wrong (I think). I am working on the drawing parts of my app. In my last app I most definitely did things Wrong but they work fine and there's just one user and it was my first Cocoa app so I didn't beat myself up too much. It's document-based, non-core-data, and aimed at 10.5. For reference, I am using Sketch, and Cocoa Design Patterns by Buck and Yacktman. I also am referring to my memory of several helpful posts to this list by Buck over the past couple years that I have been watching for them. I think I recognize, and I am pretty sure I have read that Sketch does things Wrong. I see that the shape objects keep their own bounds (and frame?) information. It seems clear to me that this is Wrong. What does Sketch do if it ever can have two views of the same objects? I am also pretty sure that Cocoa Design Patterns does it wrong because it admits such: The model in this example is deliberately kept simple to preserve the focus on the Controller subsystem. In most applications, properties like rectangles and colors are user interface concerns that don’t belong in the Model subsystem. However, in this case, MYShapeDraw is a drawing program. This seems like a common problem that I have had with various Cocoa information over the years. Everything is kept simple for the sake of the example, and I am left clueless about the correct way to do it (or I am too dumb to see it). In the quote above, I have learned that the rectangles don't belong in the Model subsystem. OK that's a good start! Now, where do they belong? I have a window controller, which is the file's owner of a nib that contains the window. In the window is my custom view. My custom view contains the skeletal beginning of a category for the drawing code of the model objects that are displayed in it (as explained by Buck, around page 257). This part I feel I understand pretty well and it works. But where to put the rectangle and other data that each object needs in order to be kept track of (for clicking on, etc) and drawn? Thank you for any insight!___ 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: different width in fastenumeration
You have the -Wconversion flag on.
Sent from my iPhone
On Nov 24, 2009, at 6:47, Hans van der Meer h.vanderm...@uva.nl wrote:
Doing NSDictionary *objects enumerate over its keys thus:
for ( id key in [objects allKeys] ) {}
According to the documentation allKeys returns a NSArray and
NSArray's conform to NSFastEnumeration. However on building this
code generates the following warning:
Passing argument 3 of 'countByEnumeratingWithState:objects:count'
with different width due to prototype. [XCode 3.2.1 64-bit on 10.6.2]
What is happening? Am I doing something wrong here?
Hans van der Meer
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Re: Drawing: The Right place to keep bounds
I think you are missing the point of the quote, which is that drawing programs are an exception to the typical rule that view data must be strictly separated from the model (However, in this case). When the model data is all about visual information (drawing), then you have no choice but to violate the rule. On Nov 25, 2009, at 7:27 AM, Paul Bruneau wrote: I am also pretty sure that Cocoa Design Patterns does it wrong because it admits such: The model in this example is deliberately kept simple to preserve the focus on the Controller subsystem. In most applications, properties like rectangles and colors are user interface concerns that don’t belong in the Model subsystem. However, in this case, MYShapeDraw is a drawing program. This seems like a common problem that I have had with various Cocoa information over the years. Everything is kept simple for the sake of the example, and I am left clueless about the correct way to do it (or I am too dumb to see it). In the quote above, I have learned that the rectangles don't belong in the Model subsystem. OK that's a good start! Now, where do they belong? ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
On Nov 25, 2009, at 5:49 AM, Mario Kušnjer wrote: How to hide the disclosure triangle in front of the Root object and remove indentation for it, and just that object (and later if there is more Root objects for them too) ? I think what you're looking for is the delegate method - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item; —Jens___ 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: The Right place to keep bounds
OK, I see what you are saying, and to that I respond, why does every example that I have ever found of how to draw objects in a custom view happen to be a drawing program? :) And I'm not sure I buy what you are saying, because, just like I mentioned for the Sketch example, what does his program do when the user makes a new window with the same view in it and that view has a different zoom factor, or is scrolled to a different position? My question remains: where should I keep this information? Surely people draw objects in apps other than drawing programs that are limited to a single view. I do thank you for your response! On Nov 25, 2009, at 11:00 AM, David Hirsch wrote: I think you are missing the point of the quote, which is that drawing programs are an exception to the typical rule that view data must be strictly separated from the model (However, in this case). When the model data is all about visual information (drawing), then you have no choice but to violate the rule. On Nov 25, 2009, at 7:27 AM, Paul Bruneau wrote: I am also pretty sure that Cocoa Design Patterns does it wrong because it admits such: The model in this example is deliberately kept simple to preserve the focus on the Controller subsystem. In most applications, properties like rectangles and colors are user interface concerns that don’t belong in the Model subsystem. However, in this case, MYShapeDraw is a drawing program. This seems like a common problem that I have had with various Cocoa information over the years. Everything is kept simple for the sake of the example, and I am left clueless about the correct way to do it (or I am too dumb to see it). In the quote above, I have learned that the rectangles don't belong in the Model subsystem. OK that's a good start! Now, where do they belong? ___ 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: The Right place to keep bounds
On Nov 25, 2009, at 7:27 AM, Paul Bruneau wrote: I think I recognize, and I am pretty sure I have read that Sketch does things Wrong. I see that the shape objects keep their own bounds (and frame?) information. It seems clear to me that this is Wrong. What does Sketch do if it ever can have two views of the same objects? The bounding box is an intrinsic property of a geometric object, independent of how it's viewed. Unless you're talking about something like a bounding box transformed into view coordinates; I'm not familiar with the Sketch code. That would definitely be part of the view, not the model. That sort of design is often done by having a parallel per-view model that's been transformed for use in the view, and code that keeps the per-view model synced with changes to the master. Core Animation uses this sort of design. —Jens___ 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: Re: URLWithString fails to fails with bad string
On Nov 25, 2009 2:06am, Kyle Sluder kyle.slu...@gmail.com wrote: On Tue, Nov 24, 2009 at 10:14 PM, lorenzo7...@gmail.com wrote: This returns a non-nil value: NSURL * url = [NSURL URLWithString:@sdsds]; The docs say this should fail. RFC 1758 looks for the string to begin with a scheme, eg http: While sdsds is indeed a valid relative URL according to RFC 2396, don't let NSURL's declaration of RFC-conformance fool you. I have a pretty severe bug (rdar://problem/7096953) logged against NSURL's incorrect handling of IDNs. Despite pointing to the spec, copying it into the bug report, and walking step by step through NSURL's violation thereof, I was told that it behaves according to the spec and as designed. I no longer trust NSURL's assertions of conformance. --Kyle Sluder So is there a way to validate a string before passing it to URLWithString? ___ 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: URLWithString fails to fails with bad string
On Nov 25, 2009, at 8:31 AM, lorenzo7...@gmail.com wrote: So is there a way to validate a string before passing it to URLWithString? Depends on what you want to do. If you want URLs of a specific scheme, check the -scheme property of the resulting NSURL. That will weed out degenerate cases like foo. —Jens___ 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: The Right place to keep bounds
On Nov 25, 2009, at 8:23 AM, Paul Bruneau wrote: And I'm not sure I buy what you are saying, because, just like I mentioned for the Sketch example, what does his program do when the user makes a new window with the same view in it and that view has a different zoom factor, or is scrolled to a different position? Again, I'm not familiar with Sketch itself, but presumably the program would translate view coordinates into model coordinates before comparing with model properties like the bounding box. —Jens___ 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: The Right place to keep bounds
On Nov 25, 2009, at 11:24 AM, Jens Alfke wrote: On Nov 25, 2009, at 7:27 AM, Paul Bruneau wrote: I think I recognize, and I am pretty sure I have read that Sketch does things Wrong. I see that the shape objects keep their own bounds (and frame?) information. It seems clear to me that this is Wrong. What does Sketch do if it ever can have two views of the same objects? The bounding box is an intrinsic property of a geometric object, independent of how it's viewed. Unless you're talking about something like a bounding box transformed into view coordinates; I'm not familiar with the Sketch code. That would definitely be part of the view, not the model. That sort of design is often done by having a parallel per-view model that's been transformed for use in the view, and code that keeps the per-view model synced with changes to the master. Core Animation uses this sort of design. Thank you, I was thinking of the bounding box as dependent on the view. For example, I think of a zoom value for a view--that affects the bounding box, doesn't it? Or do I use a sort of natural bounding box for my objects that is then modified by the view's zoom? I guess this is what you mean by a bounding box transformed into view coordinates. Yes, that is the way I am thinking of it, so that I can do things like hit-testing in however many views my user might have open. So OK I will start thinking about a parallel per-view model. Thanks! ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
On 2009.11.25, at 17:20, Jens Alfke wrote: On Nov 25, 2009, at 5:49 AM, Mario Kušnjer wrote: How to hide the disclosure triangle in front of the Root object and remove indentation for it, and just that object (and later if there is more Root objects for them too) ? I think what you're looking for is the delegate method - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item; —Jens Actually no, because that delegate method is implemented and it doesn't hide disclosure triangle and removes indentation (actually it makes indentation slightly different), but draws font and cell (depending on which highlight style used) differently to make them look like header or title (group) for rows that come under its tree. Mario Kušnjer mario.kusn...@sb.t-com.hr +385957051982 ___ 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: Re: URLWithString fails to fails with bad string
On Nov 25, 2009 10:36am, Jens Alfke j...@mooseyard.com wrote: On Nov 25, 2009, at 8:31 AM, lorenzo7...@gmail.com wrote: So is there a way to validate a string before passing it to URLWithString? Depends on what you want to do. If you want URLs of a specific scheme, check the -scheme property of the resulting NSURL. That will weed out degenerate cases like foo. —Jens Thanks for the reply. I'm looking through the Cocoa API now. I think I might be able to use NSNetService's -resolveWithTimeout along with NSURL's -scheme to validate a string. Seems like more work than should be necessary, but oh well. Thanks all. ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
Le 25 nov. 2009 à 17:49, Mario Kušnjer a écrit : On 2009.11.25, at 17:20, Jens Alfke wrote: On Nov 25, 2009, at 5:49 AM, Mario Kušnjer wrote: How to hide the disclosure triangle in front of the Root object and remove indentation for it, and just that object (and later if there is more Root objects for them too) ? I think what you're looking for is the delegate method - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item; —Jens Actually no, because that delegate method is implemented and it doesn't hide disclosure triangle and removes indentation (actually it makes indentation slightly different), but draws font and cell (depending on which highlight style used) differently to make them look like header or title (group) for rows that come under its tree. NSOutlineView delegate: outlineView:shouldShowOutlineCellForItem: Returns a whether the specified item should display the outline cell (the disclosure triangle). And if it's not enough, you can subclass NSOutlineView and override -[NSOutlineView frameOfOutlineCellAtRow:] to returns NSZeroRect. -- Jean-Daniel ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
You want this delegate method: - (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowOutlineCellForItem:(id)item; Cheers, Dave On Nov 25, 2009, at 9:49 AM, Mario Kušnjer wrote: On 2009.11.25, at 17:20, Jens Alfke wrote: On Nov 25, 2009, at 5:49 AM, Mario Kušnjer wrote: How to hide the disclosure triangle in front of the Root object and remove indentation for it, and just that object (and later if there is more Root objects for them too) ? I think what you're looking for is the delegate method - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item; —Jens Actually no, because that delegate method is implemented and it doesn't hide disclosure triangle and removes indentation (actually it makes indentation slightly different), but draws font and cell (depending on which highlight style used) differently to make them look like header or title (group) for rows that come under its tree. Mario Kušnjer smime.p7s Description: S/MIME cryptographic signature ___ 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: The Right place to keep bounds
On Nov 25, 2009, at 8:40 AM, Paul Bruneau wrote: I guess this is what you mean by a bounding box transformed into view coordinates. Yes, that is the way I am thinking of it, so that I can do things like hit-testing in however many views my user might have open. So OK I will start thinking about a parallel per-view model. You probably don't even need parallel models unless you're doing something fancy. More typically you just do all the work you can in model coordinates. You transform points to view coords when drawing, and you transform mouse positions to model coords when handling events. —Jens___ 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: URLWithString fails to fails with bad string
On Nov 25, 2009, at 8:59 AM, lorenzo7...@gmail.com wrote: Thanks for the reply. I'm looking through the Cocoa API now. I think I might be able to use NSNetService's -resolveWithTimeout along with NSURL's -scheme to validate a string. Seems like more work than should be necessary, but oh well. Wait, what? That NSNetService method is for getting the IP address of a Bonjour service. That doesn't sound like what you're doing. It has nothing to do with validating the syntax of a URL. Maybe you could describe what it is that you're trying to do with these URLs? —Jens___ 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
NSConnection retaining delegate?
Hi list, is NSConnection retaining its delegate? (At least as long as it is collecting data) I thought contract is that a delegate is never retained? This behavior requires to _always_ send cancel to the connection before you release the delegate. Otherwise the NSConnection might still hold on to the delegate which should by now have been purged from memory. Is this right or am I wrong? Should I file a bug? atze ___ 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: GC, variable optimized away wrongly?
Nick Rogers wrote: NSTimeInterval etaDouble = interval * ((totalBlocks - blockCount) / blockCount); // * debugger doesn't list this variable, mouse shows a pop up saying variable optimized away by compiler int eta = (int)etaDouble; // value is 0 here instead of something What are the types of totalBlocks and blockCount? Have you confirmed, say by NSLog'ing it, that the value of etaDouble has a non-zero integer part? If you NSLog etaDouble, or use it in any way that affects anything outside the 'for' block, it won't be optimized away. -- GG ___ 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: Re: URLWithString fails to fails with bad string
On Nov 25, 2009 11:05am, Jens Alfke j...@mooseyard.com wrote: On Nov 25, 2009, at 8:59 AM, lorenzo7...@gmail.com wrote: Thanks for the reply. I'm looking through the Cocoa API now. I think I might be able to use NSNetService's -resolveWithTimeout along with NSURL's -scheme to validate a string. Seems like more work than should be necessary, but oh well. Wait, what? That NSNetService method is for getting the IP address of a Bonjour service. That doesn't sound like what you're doing. It has nothing to do with validating the syntax of a URL. Maybe you could describe what it is that you're trying to do with these URLs? —Jens I was just looking through the API to see what methods might help me with this and NSNetService looked like it might work, until I read the class description. What I'm doing exactly, is downloading batches of web pages via http. I don't want to make the attempt if the url is not valid. ___ 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: Creating a NSEvent with NSEventTypeMagnify
Are you trying to this internally inside your app? If so, why? -raleigh On Nov 24, 2009, at 11:57 AM, Andreas Hegenberg wrote: Hello everybody, I hope this is the correct mailinglist for my question. I want to create a NSEvent with the NSEventTypeMagnify and a specific magnification. The NSEventTypeMagnify was introduced in 10.6. Unfortunately I don't really know how to do it. I fiddled with otherEventWithType but can't get it to work properly... Has anybody done this before? Best regards, Andreas ___ 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/ledet%40apple.com This email sent to le...@apple.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: URLWithString fails to fails with bad string
On Nov 25, 2009, at 9:28 AM, lorenzo7...@gmail.com wrote: I was just looking through the API to see what methods might help me with this and NSNetService looked like it might work, until I read the class description. What I'm doing exactly, is downloading batches of web pages via http. I don't want to make the attempt if the url is not valid. The only way to determine the validity of a well-formed url is to attempt to retrieve it. -- Dave Carrigan d...@rudedog.org Seattle, WA, USA ___ 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: URLWithString fails to fails with bad string
You should be able to weed stuff out pretty quickly by: 1) Use +URLWithString: to see if the string can be interpreted as a URL 2) Construct a request with the URL and see what +[NSURLConnection canHandleRequest:] has to say 3) Try to load the URL On 25 Nov 2009, at 17:28, lorenzo7...@gmail.com wrote: On Nov 25, 2009 11:05am, Jens Alfke j...@mooseyard.com wrote: On Nov 25, 2009, at 8:59 AM, lorenzo7...@gmail.com wrote: Thanks for the reply. I'm looking through the Cocoa API now. I think I might be able to use NSNetService's -resolveWithTimeout along with NSURL's -scheme to validate a string. Seems like more work than should be necessary, but oh well. Wait, what? That NSNetService method is for getting the IP address of a Bonjour service. That doesn't sound like what you're doing. It has nothing to do with validating the syntax of a URL. Maybe you could describe what it is that you're trying to do with these URLs? —Jens I was just looking through the API to see what methods might help me with this and NSNetService looked like it might work, until I read the class description. What I'm doing exactly, is downloading batches of web pages via http. I don't want to make the attempt if the url is not valid. ___ 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/cocoadev%40mikeabdullah.net This email sent to cocoa...@mikeabdullah.net ___ 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: Re: URLWithString fails to fails with bad string
On Nov 25, 2009 11:34am, Dave Carrigan d...@rudedog.org wrote: On Nov 25, 2009, at 9:28 AM, lorenzo7...@gmail.com wrote: I was just looking through the API to see what methods might help me with this and NSNetService looked like it might work, until I read the class description. What I'm doing exactly, is downloading batches of web pages via http. I don't want to make the attempt if the url is not valid. The only way to determine the validity of a well-formed url is to attempt to retrieve it. -- Dave Carrigan d...@rudedog.org Seattle, WA, USA Ah, that's a bummer. But I guess that means I can move on to something else now. Thanks ___ 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
SCNetworkconnect
Hi,
I run a dashboard for multiple 3G vendors. Normally the connection will be done
without Username/Password - but some Providers have changed their policy, so I
have to rebuild my Application and enter Username/Password to it.
This is the Code I am now using - but it will not pass the User/Password Data
to my Dialing Options - which means, User/Pass will not accepted. When I am
enterining the Data in my Network Options, everything is working fine.
May someone can check out, what I am doing wrong?
// Code - without User(Password
SDictionary *pppOptionsForDialModem = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect modemScript], (NSString*)kSCPropNetModemConnectionScript,
nil];
NSDictionary *pppOptionsForDialAdress = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect apn], (NSString*)kSCPropNetPPPCommRemoteAddress,
nil];
NSDictionary *optionsForDial = [NSDictionary
dictionaryWithObjectsAndKeys:
pppOptionsForDialAdress, (NSString*)kSCEntNetPPP,
pppOptionsForDialModem, (NSString*)kSCEntNetModem,
nil];
BOOL startConnection =
SCNetworkConnectionStart(connection,(CFDictionaryRef)optionsForDial,false);
//NSLog(@der bool ist: %@, startConnection?@YES:@NO);
if ( ! startConnection ) {
NSString *errorstring = [NSString
stringWithCString:SCErrorString(SCError()) encoding:NSUTF8StringEncoding];
[[NSAlert alertWithMessageText:@Fehler beim Verbinden des
Modems defaultButton:@OK alternateButton:nil otherButton:nil
informativeTextWithFormat:@%@,errorstring] runModal];
}
// End Code without User/Password
Now with the Adaptions:
// Code with User/Password
SDictionary *pppOptionsForDialModem = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect modemScript], (NSString*)kSCPropNetModemConnectionScript,
nil];
NSDictionary *pppOptionsForDialAdress = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect apn], (NSString*)kSCPropNetPPPCommRemoteAddress,
nil];
NSDictionary *pppOptionsForDialUserName = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect username], (NSString*)kSCPropNetPPPAuthName,
nil];
NSDictionary *pppOptionsForDialPassword = [NSDictionary
dictionaryWithObjectsAndKeys:
[connect userPassword], (NSString*)kSCPropNetPPPAuthPassword,
nil];
NSDictionary *optionsForDial = [NSDictionary
dictionaryWithObjectsAndKeys:
pppOptionsForDialAdress, (NSString*)kSCEntNetPPP,
pppOptionsForDialModem, (NSString*)kSCEntNetModem,
pppOptionsForDialUserName, (NSString*)kSCPropNetPPPAuthName,
pppOptionsForDialPassword, (NSString*)kSCPropNetPPPAuthPassword,
nil];
BOOL startConnection =
SCNetworkConnectionStart(connection,(CFDictionaryRef)optionsForDial,false);
//NSLog(@der bool ist: %@, startConnection?@YES:@NO);
if ( ! startConnection ) {
NSString *errorstring = [NSString
stringWithCString:SCErrorString(SCError()) encoding:NSUTF8StringEncoding];
[[NSAlert alertWithMessageText:@Fehler beim Verbinden des
Modems defaultButton:@OK alternateButton:nil otherButton:nil
informativeTextWithFormat:@%@,errorstring]
Re: URLWithString fails to fails with bad string
On Nov 25, 2009, at 9:34 AM, Dave Carrigan wrote: The only way to determine the validity of a well-formed url is to attempt to retrieve it. The two of you are using different terminology. He's asking how to tell if a URL is well-formed. Lorenzo: If you want to know if you can retrieve a URL by HTTP, then simply check whether it's an HTTP URL, by getting its -scheme property and doing a case-insensitive compare with 'http' or 'https'. What I'm doing exactly, is downloading batches of web pages via http. I don't want to make the attempt if the url is not valid. You definitely don't want to try to retrieve every URL then, or your app is letting an arbitrary untrusted web page let it open any imaginable URL. I can't immediately think of a serious exploit using this, but the results of opening arbitrary 'file:' URLs can be unexpected. For instance, trying to fetch file:///dev/random will lock up your app and possibly bring the computer to a crawl as it fills your address space with random bytes :) —Jens___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
Question for Jean-Daniel and Dave Is that delegate method in Snow Leopard ? Because I don't see it in Leopard ! - (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowOutlineCellForItem:(id)item; Mario Kušnjer mario.kusn...@sb.t-com.hr +385957051982 ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
On Thursday, November 26, 2009, Mario Kušnjer mario.kusn...@sb.t-com.hr wrote: Is that delegate method in Snow Leopard ? Because I don't see it in Leopard ! - (BOOL)outlineView:(NSOutlineView *)outlineView shouldShowOutlineCellForItem:(id)item; I wanted to do something similar recently on Leopard. I ended up with a one method sub-class everything else went in the delegate. Occassionally I had some strange indenting behavior on selection change (the whole view scrolled right slightly) but I never got around to isolating the cause of it. Matt ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
Disregard that last question. I have just checked online documentation on Apple Dev site. It's Snow Leopard feature, not available in Leopard. So, I should subclass NSOutlineView to solve my problem (on Leopard) ? Mario Kušnjer mario.kusn...@sb.t-com.hr +385957051982 ___ 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: NSConnection retaining delegate?
On Wednesday, November 25, 2009, at 12:15PM, Alexander Spohr a...@freeport.de wrote: is NSConnection retaining its delegate? (At least as long as it is collecting data) FWIW I've never used NSConnection, but in the following quick and dirty code it did not retain the delegate I gave it. TestDelegate * aTestDelegate = [[[TestDelegate alloc] init] autorelease]; NSConnection * aConn = [[NSConnection alloc] initWithReceivePort:nil sendPort:nil]; [aConn setDelegate:aTestDelegate]; The TestDelegate object got dealloced despite being the NSConnection's delegate. I thought contract is that a delegate is never retained? I think there is at least one class that breaks the rule about not retaining delegates (and is documented accordingly). I forget which it is and I don't have time to search for it, but it doesn't seem to be NSConnection. --Andy ___ 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: NSURLConnection retaining delegate?
Shame on me! I meant NSURLConnection. Andy, sorry that I bothered you with the wrong test. This is one example where copy-paste is better than fresh typing... So the (corrected) question still stands: is NSURLConnection retaining its delegate? atze Am 25.11.2009 um 21:19 schrieb Andy Lee: On Wednesday, November 25, 2009, at 12:15PM, Alexander Spohr a...@freeport.de wrote: is NSConnection retaining its delegate? (At least as long as it is collecting data) FWIW I've never used NSConnection, but in the following quick and dirty code it did not retain the delegate I gave it. TestDelegate * aTestDelegate = [[[TestDelegate alloc] init] autorelease]; NSConnection * aConn = [[NSConnection alloc] initWithReceivePort:nil sendPort:nil]; [aConn setDelegate:aTestDelegate]; The TestDelegate object got dealloced despite being the NSConnection's delegate. I thought contract is that a delegate is never retained? I think there is at least one class that breaks the rule about not retaining delegates (and is documented accordingly). I forget which it is and I don't have time to search for it, but it doesn't seem to be NSConnection. --Andy ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
Yes, the documentation for that (Snow Leopard) delegate method tells you where to go: subclass NSOutlineView, implement the (Leopard) method - (NSRect)frameOfOutlineCellAtRow:(NSInteger)row and return NSZeroRect for the appropriate row(s). - jp On Nov 25, 2009, at 11:38 AM, Mario Kušnjer wrote: Disregard that last question. I have just checked online documentation on Apple Dev site. It's Snow Leopard feature, not available in Leopard. So, I should subclass NSOutlineView to solve my problem (on Leopard) ? Mario Kušnjer mario.kusn...@sb.t-com.hr +385957051982 ___ 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/jim%40nondifferentiable.com This email sent to j...@nondifferentiable.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
layout subviews
I have a flipped custom view (within a scroll view) which layouts it's
subviews as follows:
WORKS:
- (void) layoutSubviews
{
NSLog(@layout);
NSRect frame = [self frame];
CGFloat width = frame.size.width;
CGFloat height = 0;
for(NSView *itemView in itemViews) {
height += [itemView frame].size.height;
}
NSLog(@view height: %1.0f, height);
if (frame.size.height != height) {
frame.size.height = height;
[self setFrame:frame];
NSLog(@ - view: %@, NSStringFromRect(frame));
}
CGFloat y = 0;
for(NSView *itemView in itemViews) {
NSRect itemFrame = [itemView frame];
itemFrame.origin.y = y;
itemFrame.size.width = width;
[itemView setFrame:itemFrame];
NSLog(@ - item: %@, NSStringFromRect(itemFrame));
y += itemFrame.size.height;
}
[self setNeedsDisplayInRect:frame];
}
The above works just fine. What I don't understand is why moving the
adjustment of the frame size *after* the subview layout is breaking
it. By breaking I mean that some subviews are disappearing. It does
not seem to be a redraw/needsDisplay problem though. Rather like they
end up somewhere off screen.
DOESN'T WORK:
- (void) layoutSubviews
{
NSLog(@layout);
NSRect frame = [self frame];
CGFloat width = frame.size.width;
CGFloat height = 0;
for(NSView *itemView in itemViews) {
height += [itemView frame].size.height;
}
CGFloat y = 0;
for(NSView *itemView in itemViews) {
NSRect itemFrame = [itemView frame];
itemFrame.origin.y = y;
itemFrame.size.width = width;
[itemView setFrame:itemFrame];
NSLog(@ - item: %@, NSStringFromRect(itemFrame));
y += itemFrame.size.height;
}
NSLog(@view height: %1.0f, height);
if (frame.size.height != height) {
frame.size.height = height;
[self setFrame:frame];
NSLog(@ - view: %@, NSStringFromRect(frame));
}
[self setNeedsDisplayInRect:frame];
}
Anyone spotting a problem that I am missing?
cheers
--
Torsten
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table view header cell bottom border
I read in a file, parse the contents, and then I create NSTableColumns
based on the contents of the file … and then I just
addTableColumn:newColumn to the NSTableView. I've attached a small
image of the problem I'm seeing where my border doesn't completely run
across the bottom of each of my headers cells, rather, it only works
on the first column.
Here's how I create my headers and columns ...
tableHeaderCell = [[MyHeaderCell alloc]
initTextCell:columnName];
[tableHeaderCell setPullsDown:NO];
[tableHeaderCell setControlSize:NSMiniControlSize];
[tableHeaderCell setBordered:NO];
[tableHeaderCell setFont:[NSFont labelFontOfSize:
[NSFont smallSystemFontSize]]];
if (i == 0) {
[tableHeaderCell setEditable:NO];
column = [[DataTableColumn alloc]
initWithIdentifier:[NSNumber numberWithInt:i]];
}
else {
[tableHeaderCell setEditable:YES];
[tableHeaderCell addItemWithTitle:@item1];
[tableHeaderCell addItemWithTitle:@item2];
[tableHeaderCell addItemWithTitle:@item3];
column = [[NSTableColumn alloc]
initWithIdentifier:[NSNumber numberWithInt:i]];
}
[column setHeaderCell:tableHeaderCell];
[myTableView addTableColumn:column];
I've subclass MyHeaderCell from NSPopUpButtonCell and I draw the
borders within drawInteriorWithFrame as follows …
- (void) drawInteriorWithFrame:(NSRect) cellFrame inView:(NSView *) controlView
{
[[NSColor whiteColor] set];
[[NSBezierPath bezierPathWithRect:cellFrame] fill];
NSBezierPath *path = [NSBezierPath bezierPath];
[path moveToPoint:NSMakePoint(cellFrame.origin.x,
cellFrame.size.height)];
[path lineToPoint:NSMakePoint(cellFrame.size.width,
cellFrame.size.height)];
[[NSColor darkGrayColor] setStroke];
[path stroke];
[super drawInteriorWithFrame:cellFrame inView:controlView];
return;
}
Anyone see any reason why my header cells would not all be underlined?
attachment: columns-prob.tiff___
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Re: NSURLConnection retaining delegate?
On 2009 Nov 25, at 12:53, Alexander Spohr wrote: I meant NSURLConnection. If it is indeed not documented whether or not NSURLConnection retains its delegate, I believe you can design for either case. * When a NSURLConnection completes, you may release it or allow it to be autoreleased. * If you wish to terminate a NSURLConnection before it completes, you should send it a -cancel first. * Normally the delegate is receiving and storing headers, data and errors for you. You should retain the delegate as long as you are interested in the headers, data or errors being stored. Once you have extracted or wish to abandon this information, release the delegate or allow it to be autoreleased. The idea is that you mind your own references, and NSURLConnection will mind its own references. ___ 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: EXC_BAD_ACCESS when calling NSOpenPanel
On Nov 23, 2009, at 6:51 PM, Darren Wheatley wrote:
I have the following code as the action from a button click:
- (IBAction)chooseFile:(id)sender;
{
NSOpenPanel *openPanel = [NSOpenPanel openPanel];
You haven't retained this panel. If you want this object to live beyond the
current autorelease context, you need to retain it. (Note that not retaining
doesn't guarantee that it _will_ be released at the end of the autorelease
context, just that it might.)
[openPanel setCanChooseDirectories:NO];
[openPanel setCanCreateDirectories:NO];
[openPanel beginSheetForDirectory:nil
file:nil
types:[NSArray arrayWithObject:@txt]
modalForWindow:window
modalDelegate:self
didEndSelector:@selector(fileOpenDidEnd:returnCode:context:)
contextInfo:nil];
}
- (void)fileOpenDidEnd:(NSOpenPanel*)openPanel
returnCode:(NSInteger)code
context:(void*)context
{
if (code == NSCancelButton) return;
[self setFilePath:[openPanel filename]];
[filePathField setStringValue:[openPanel filename]];
}
Regards,
Ken
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UIImageView Animation Question
Hi,
I have a UIImageView that overlays a MPMoviePLayerController. When the movie
plays, the view is in landscape. I want to have my overlay image to drop from
the top of the movie and move down. The below code rotates the image. How do I
get this effect?
- (void)showOverlay:(NSTimer *)timer {
NSArray *windows = [[UIApplication sharedApplication] windows];
UIImage *image = [UIImage imageNamed:@top.png];
UIImageView *imageView = [ [ UIImageView alloc ]
initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height) ];
imageView.image = image;
imageView.transform = CGAffineTransformMakeRotation(M_PI/2.0);
CGFloat moveDistance = -50.0;
CGContextRef context = UIGraphicsGetCurrentContext();
[UIView beginAnimations:@moveImageDown context:context];
[UIView setAnimationDuration:1.0];
CGAffineTransform transform = CGAffineTransformMakeTranslation(0,
moveDistance);
[imageView setCenter:CGPointMake(295, 480 / 2 )];
imageView.transform = transform;
[UIView commitAnimations];
mpw = [windows objectAtIndex:1];
[mpw addSubview:imageView];
}
Thanks
Phil
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Re: NSOutlineView - How to hide disclosure triangle for root nodes ?
Hi !
So I have sub classed NSOutlineView and implemented single method like
this:
- (NSRect)frameOfOutlineCellAtRow:(NSInteger)row {
return row == 0 ? NSZeroRect : [super frameOfOutlineCellAtRow:row];
}
That works except the indentation problem is still on.
If root object is empty than it is indented (default in IB is 14), but
when I add child object to it,
root object indentation gets reset to zero (0).
How do I fix that ?
Bye.
Mario Kušnjer
mario.kusn...@sb.t-com.hr
+385957051982
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NSOutlineView - how to have a default item selected
Mario Kušnjer's question reminded me of a question that I've been pondering about NSOutlineViews, namely, is there a way to have one item on the outline initialized in the selected state when the outline is first created? That is, when the window containing the outline is first displayed to the user, what I would like is for the first item in my outline to already show as selected. Seems like there should be a simple way of doing this, but if so, I've not yet discovered it. I have a small test project based on code that Itai Ferber was kind enough to send me, and I would be more than happy to make it available to anyone who would be interested in looking at it. Boyd___ 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: UIImageView Animation Question
Never mind,
I figured it out.
Regards,
UIImage *image = [UIImage imageNamed:@top.png];
UIImageView *imageView = [ [ UIImageView alloc ]
initWithFrame:CGRectMake(295, 480/2, image.size.width, image.size.height) ];
imageView.image = image;
imageView.transform = CGAffineTransformMakeRotation(M_PI/2.0);
CGContextRef context = UIGraphicsGetCurrentContext();
[UIView beginAnimations:@moveImageDown context:context];
[UIView setAnimationDuration:1.0];
[imageView setCenter:CGPointMake(295, 480 / 2 )];
[UIView commitAnimations];
On Nov 25, 2009, at 6:36 PM, Philip Vallone wrote:
Hi,
I have a UIImageView that overlays a MPMoviePLayerController. When the movie
plays, the view is in landscape. I want to have my overlay image to drop from
the top of the movie and move down. The below code rotates the image. How do
I get this effect?
- (void)showOverlay:(NSTimer *)timer {
NSArray *windows = [[UIApplication sharedApplication] windows];
UIImage *image = [UIImage imageNamed:@top.png];
UIImageView *imageView = [ [ UIImageView alloc ]
initWithFrame:CGRectMake(0.0, 0.0, image.size.width, image.size.height) ];
imageView.image = image;
imageView.transform = CGAffineTransformMakeRotation(M_PI/2.0);
CGFloat moveDistance = -50.0;
CGContextRef context = UIGraphicsGetCurrentContext();
[UIView beginAnimations:@moveImageDown context:context];
[UIView setAnimationDuration:1.0];
CGAffineTransform transform = CGAffineTransformMakeTranslation(0,
moveDistance);
[imageView setCenter:CGPointMake(295, 480 / 2 )];
imageView.transform = transform;
[UIView commitAnimations];
mpw = [windows objectAtIndex:1];
[mpw addSubview:imageView];
}
Thanks
Phil
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Re: NSOutlineView - how to have a default item selected
How about this? NSInteger index = [myOutlineView rowForItem:itemToSelect]; NSIndexSet * indexSet = [NSIndexSet indexSetWithIndex:index]; [myOutlineView selectRowIndexes:indexSet byExtendingSelection:NO]; HTH, Dave On Nov 25, 2009, at 4:48 PM, Boyd Collier wrote: Mario Kušnjer's question reminded me of a question that I've been pondering about NSOutlineViews, namely, is there a way to have one item on the outline initialized in the selected state when the outline is first created? That is, when the window containing the outline is first displayed to the user, what I would like is for the first item in my outline to already show as selected. Seems like there should be a simple way of doing this, but if so, I've not yet discovered it. I have a small test project based on code that Itai Ferber was kind enough to send me, and I would be more than happy to make it available to anyone who would be interested in looking at it. Boyd smime.p7s Description: S/MIME cryptographic signature ___ 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: The Right place to keep bounds
On 26/11/2009, at 3:40 AM, Paul Bruneau wrote: Thank you, I was thinking of the bounding box as dependent on the view. For example, I think of a zoom value for a view--that affects the bounding box, doesn't it? Or do I use a sort of natural bounding box for my objects that is then modified by the view's zoom? I guess this is what you mean by a bounding box transformed into view coordinates. Yes, that is the way I am thinking of it, so that I can do things like hit-testing in however many views my user might have open. So OK I will start thinking about a parallel per-view model. I can't comment too much on Sketch, but I can on DrawKit, which uses a similar architecture, but also supports multiple (parallel) views of the same model (drawing). Things like zoom and scroll position are properties of the view, not the model. Each graphic object has a bounding rectangle which occupies some particular part of the drawing's coordinate space. That bounding rectangle never changes as long as the size and position (and angle, in my case) of the object remains the same - zooming and scrolling do not affect this. When a view wants to show some part of the model, it asks each object to draw itself, but does so having established the graphics transform for the view (which is affected by zoom and scroll, but is an intrinsic property of NSView, so there isn't much work to do). This transform maps the view's dirty rectangles to the coordinate system of the underlying drawing model, so that any graphic object can directly compare its own bounds against the view's dirty rects with -needsToDrawRect: and so go ahead or not. If there are different views of the same drawing, the drawing itself is unaware of it - it just gets called as many times as necessary to draw as many views as there are, but a different view transform will be set for each one. When an object in the model is moved so that its bounding rect changes, the relevant parts of all views must be marked dirty to ensure that the views redraw the object to show the change. Again, this is done in a way that keeps the model unaware of the view(s). The bounds change is signalled to the view controllers which in turn mark the bounds dirty using -setNeedsDisplayInRect: The appropriate view transform for the view ensures that the right part of the view is so marked, which again is automatically handled by NSView. The scroll position of the view transform is set automatically when using NScrollView, and the zoom aspect of it is set by using -setUnitSquareToSize: Since the code for making the view zoomable has nothing to do with what is actually drawn, it's entirely reusable: http://apptree.net/gczoomview.htm which just gives you some simple high-level zooming actions built on -scaleUnitSquareToSize: --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
Core Data and +[NSExpression expressionForFunction:...]
Hello All,
I'm trying to query a Core Data database which contains geoLocation information
for all of the objects of type Photo which are within a specified distance of
a target point, using the following code.
- (NSArray*) photosNearLatitude: (NSNumber*) inLatitude
longitude: (NSNumber*) inLongitude
{
NSExpression *theLHS = [NSExpression expressionForFunction: [NSExpression
expressionForEvaluatedObject]
selectorName:
@distanceFromLatitude:longitude:
arguments: [NSArray
arrayWithObjects:
[NSExpression
expressionForConstantValue: inLatitude],
[NSExpression
expressionForConstantValue: inLongitude],
nil]];
NSExpression* theRHS = [NSExpression expressionForConstantValue: [NSNumber
numberWithDouble: 0.1]];
NSPredicate* thePredicate = [NSComparisonPredicate
predicateWithLeftExpression: theLHS
rightExpression: theRHS
modifier: NSDirectPredicateModifier
type: NSLessThanOrEqualToPredicateOperatorType
options: 0];
NSManagedObjectContext* theManagedObjectContext = [self managedObjectContext];
NSFetchRequest* theFetch = [[[NSFetchRequest alloc] init] autorelease];
theFetch.entity = [NSEntityDescription entityForName: @Photo
inManagedObjectContext:
theManagedObjectContext];
theFetch.predicate = thePredicate;
NSError* theError = NULL;
NSArray* theResults = [theManagedObjectContext executeFetchRequest: theFetch
error:
theError];
return theResults;
}
The Photo class has the following selector.
- (NSNumber*) distanceFromLatitude: (NSNumber*) inLatitude
longitude: (NSNumber*) inLongitude
My problem is that when I call executeFetchRequest, an exception occurs:
2009-11-25 16:55:20.633 Serendipity[8498:a0f] Unsupported function expression
FUNCTION(SELF, distanceFromLatitude:longitude: , 47.712834, -122.225)
-[Photo distanceFromLatitude:longitude:] is never called.
Can anyone suggest what might be going wrong?
- Ron Aldrich
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Re: EXC_BAD_ACCESS when calling NSOpenPanel
On Nov 25, 2009, at 3:25 PM, Ken Thomases wrote: You haven't retained this panel. If you want this object to live beyond the current autorelease context, you need to retain it. (Note that not retaining doesn't guarantee that it _will_ be released at the end of the autorelease context, just that it might.) It's a window, so it'll be retained by AppKit as long as it's open. I've never seen any code using open/save panels that bothers to retain the objects. —Jens___ 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
Looking for PCI card with IR transmitter ports and OS X drivers
Hi, I couldn't find a dedicated hardware list, so, I thought I'd post this here. I've Googled this several times over the past year or so, but can't find anything relevant. I'm looking for a PCI card or even a USB or firewire device with 3.5mm ports for IR transmitters (or bugs or eyes) and OS X drivers. Not an IR blaster, like iRed, but a programmable card with 3-6 or more ports for IR bugs. There are several PCI cards with serial (RS-232) ports and I've got to believe someone makes an IR card with OS X drivers, but I can't find it. If anyone has any information on this, I'd really appreciate it. Thanks. Brad ___ 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: NSOutlineView - How to hide disclosure triangle for root nodes ?
Here's me again !
So I have found a different solution for my problem and it does not
include subclassing NSOutlineView,
but trough the use of two delegate method.
This is my implementation:
- (NSCell *)outlineView:(NSOutlineView *)outlineView
dataCellForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
[outlineView rowForItem:item] == 0 ? [outlineView
setIndentationPerLevel:0.0] : [outlineView setIndentationPerLevel:14.0];
return nil == tableColumn ? nil : [tableColumn dataCellForRow:
[outlineView rowForItem:item]];
}
- (void)outlineView:(NSOutlineView *)outlineView
willDisplayOutlineCell:(id)cell forTableColumn:(NSTableColumn
*)tableColumn item:(id)item {
[outlineView rowForItem:item] == 0 ? [cell setTransparent:YES] :
[cell setTransparent:NO];
}
To explain:
In both methods I ask if row in question is the root. If it is, than
set no indentation and hide triangle,
otherwise set some indentation and show the triangle.
I believe that this is better solution than subclassing.
Still I have some issues to resolve. Work in progress.
Thanks everyone for their suggestions. If anyone is interested in
reviewing my code,
the project is in zip archive at http://www.box.net/crowebster-public.
Bye.
Mario Kušnjer
mario.kusn...@sb.t-com.hr
+385957051982
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Problem with same DeviceID for input and output for Playback
Hi, I am trying use CAPlayThru ( http://developer.apple.com/mac/library/samplecode/CAPlayThrough/) example code of Apple, to get playthru happening from my Mic to Speakers. It works well for the device with different DeviceId for Input and Output. If the deviceId is same, then it gives me a problem. Can anybody help me how to handle this issue. Regards Mustafa ___ 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: NSURLConnection retaining delegate?
Am 25.11.2009 um 23:25 schrieb Jerry Krinock: On 2009 Nov 25, at 12:53, Alexander Spohr wrote: I meant NSURLConnection. * Normally the delegate is receiving and storing headers, data and errors for you. You should retain the delegate as long as you are interested in the headers, data or errors being stored. Once you have extracted or wish to abandon this information, release the delegate or allow it to be autoreleased. This is the problem. Releasing is not enough in this case. I have this layout: Ownership: Controller - Loader - NSURLConnection Delegation: NSURLConnection - Loader - Controller The idea is that you mind your own references, and NSURLConnection will mind its own references. Controller's dealloc would just release Loader. Loaders dealloc would just call cancel and release NSURLConnection. Controller does not set Loader's delegate to nil because it will get recycled anyway because Controller and no one else owns it. -BUT- NSURLConnection still holds on to Loader and sends it connectionDidFinish. This in turn makes Loader tell its own delegate that the loading is complete. Because Loader does not retain its delegate (avoiding retain-cycles) everything blows up. Or is the contract to always [anyObject setDelegate:nil] before you release the related objects? That would be news for me. atze ___ 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: Core Data and +[NSExpression expressionForFunction:...]
Ron,
I am not sure if that works at all. I never fetched using methods that are not
part of the database as a qualifier. Your code has to be very slow because it
would need to fetch all Photos and then call distanceFromLatitude:longitude: on
each.
Why not qualify directly using a bounding rect?
latitude inLatitude - 0.1 latitude inLatitude + 0.1
longitude inLongitude - 0.1 longitude inLongitude + 0.1
The database can figure that out very fast.
atze
Am 26.11.2009 um 02:08 schrieb Ron Aldrich:
Hello All,
I'm trying to query a Core Data database which contains geoLocation
information for all of the objects of type Photo which are within a
specified distance of a target point, using the following code.
- (NSArray*) photosNearLatitude: (NSNumber*) inLatitude
longitude: (NSNumber*) inLongitude
{
NSExpression *theLHS = [NSExpression expressionForFunction: [NSExpression
expressionForEvaluatedObject]
selectorName:
@distanceFromLatitude:longitude:
arguments: [NSArray
arrayWithObjects:
[NSExpression
expressionForConstantValue: inLatitude],
[NSExpression
expressionForConstantValue: inLongitude],
nil]];
NSExpression* theRHS = [NSExpression expressionForConstantValue: [NSNumber
numberWithDouble: 0.1]];
NSPredicate* thePredicate = [NSComparisonPredicate
predicateWithLeftExpression: theLHS
rightExpression: theRHS
modifier: NSDirectPredicateModifier
type: NSLessThanOrEqualToPredicateOperatorType
options: 0];
NSManagedObjectContext* theManagedObjectContext = [self
managedObjectContext];
NSFetchRequest* theFetch = [[[NSFetchRequest alloc] init] autorelease];
theFetch.entity = [NSEntityDescription entityForName: @Photo
inManagedObjectContext:
theManagedObjectContext];
theFetch.predicate = thePredicate;
NSError* theError = NULL;
NSArray* theResults = [theManagedObjectContext executeFetchRequest: theFetch
error:
theError];
return theResults;
}
The Photo class has the following selector.
- (NSNumber*) distanceFromLatitude: (NSNumber*) inLatitude
longitude: (NSNumber*) inLongitude
My problem is that when I call executeFetchRequest, an exception occurs:
2009-11-25 16:55:20.633 Serendipity[8498:a0f] Unsupported function expression
FUNCTION(SELF, distanceFromLatitude:longitude: , 47.712834,
-122.225)
-[Photo distanceFromLatitude:longitude:] is never called.
Can anyone suggest what might be going wrong?
- Ron Aldrich
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