Re: Designing reports in Cocoa apps
Hi, About, On 19 okt 2008, at 01:51, Kyle Sluder wrote: This method is also usually unusable for any sort of charting or other non-traditional reporting. What I did, to test something, was using NSimage to create an image. Save the representation, as jpeg f.e, in tmp and then read it back with DOM. You can also do a lot with CSS to make it smooth, or easy client in depended colors, layout e.t.c. The best way is to make a table with your list of requirements and check off how well both ways ( webkit / NSView ) are doing there job for each item. René___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
what do you use to make icons and similar?
I need a make a few icons and other graphics for my app, simple stuff like a small yellow triangle with an invisible background. I'm totally and completely graphically challenged which never helps. I can't find a simple (preferably free!) drawing program which will let me make stuff like this. What does everyone use for these things? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
Le 19 oct. 08 à 11:20, Roland King a écrit : I need a make a few icons and other graphics for my app, simple stuff like a small yellow triangle with an invisible background. I'm totally and completely graphically challenged which never helps. I can't find a simple (preferably free!) drawing program which will let me make stuff like this. What does everyone use for these things? ___ There is Gimp. It can do whatever you need, but you may have to learn how to use it (this is not the most intuitive software I know). If you need simple graphics, you can also use the free vetor graphic editor: inkscape. What do you want to do with your images ? icns are mainly used for Desktop Icon, for other application images (toolbar, button, ..), you can use tiff that is far more versatile. If you want to create icns, just create your images in a standard format (tiff, png, etc…) and then use Icon Composer (from the Xcode tools) to create the icns version. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Designing reports in Cocoa apps
on 2008-10-18 7:51 PM, Kyle Sluder at [EMAIL PROTECTED] wrote: Others go the traditional route and write a custom NSView that they print. You have to draw it yourself, but this gives you far more control -- particularly useful when you want to know about the paper size and orientation, or other variables specific to printing. You'll get better results this way, but you'll probably put a lot more effort into it. For the kind of report the op is talking about, it may require very little effort. A financial summary is probably short, and it probably has a fixed format. For a report like that, I simply build up a single NSMutableAttributedString/NSTextStorage object containing the entire report and its formatting, then display it on screen and print it in an NSView. It's pretty easy to set up the printing margins, headers and footers, paper sizing and so on in the print dialog using existing Cocoa facilities (especially in Leopard). -- Bill Cheeseman - [EMAIL PROTECTED] Quechee Software, Quechee, Vermont, USA www.quecheesoftware.com PreFab Software - www.prefabsoftware.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 [EMAIL PROTECTED]
mutatingNodes error when binding to an NSArray
Hi
I'm working my first NSOutlineView app and trying to programatically
bind the the content property of an NSOutlineView to a mutable
files array property of a class and keep getting the following error
in the console.
*** -[PMProjectView _mutatingNodes]: unrecognized selector sent to
instance 0x11d21ff0
My files view is significantly different than a simple Finder-like
hierarchy so the example code here (http://developer.apple.com/documentation/Cocoa/Conceptual/OutlineView/Articles/UsingOutlineDataSource.html
) was of only minimal help.
I did a Google, Apple dev and source code search for that method and
came up empty. The NSOutlineView documentation makes no mention of
this method so what is it looking for? As mentioned, this is my first
attempt at using NSOutlineView, so I have no clue what could be
causing this error.
Any help appreciated
Looking at the GDB back trace, the trouble seems to start in the
following [PMProjectView initTable] method
- (void) initTable
{
NSTableColumn *nameColumn;
NSTextFieldCell *nameCell;
NSRect selfFrame = [self frame],
conFrame;
// get content frame size
conFrame= NSMakeRect(0, 0, selfFrame.size.width, 0);
// create text cell
nameCell= [[NSTextFieldCell alloc] init];
// create the name column
nameColumn = [[NSTableColumn alloc] initWithIdentifier:
@name];
[nameColumn setDataCell: nameCell];
[nameColumn setMinWidth: 1000];
[nameColumn bind: @value toObject: self withKeyPath: @files.name
options: nil];
// create the table
table = [[NSOutlineView alloc] initWithFrame: conFrame];
NSLog(@adding name column);
[table addTableColumn: nameColumn];
NSLog(@setting header view);
[table setHeaderView: nil];
[table setAutoresizingMask: NSViewWidthSizable | NSViewMaxYMargin];
[table setUsesAlternatingRowBackgroundColors: YES];
[table setFocusRingType: NSFocusRingTypeNone];
[table setColumnAutoresizingStyle:
NSTableViewLastColumnOnlyAutoresizingStyle];
// this line prints to the console
NSLog(@binding content);
// This is where it seems to be failing
[table bind: @content toObject: self withKeyPath: @files options:
nil];
// this line never prints
NSLog(@bound content ok);
}
Here's the relevant portion of the GDB backtrace:
#0 0x936f1ff4 in ___TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___ ()
#1 0x907a70fb in objc_exception_throw ()
#2 0x936f934a in -[NSObject doesNotRecognizeSelector:] ()
#3 0x936f794c in ___forwarding___ ()
#4 0x936f7a12 in __forwarding_prep_0___ ()
#5 0x98d7 in -[NSOutlineViewBinder
_observeValueForKeyPath:ofObject:context:] ()
#6 0x965d in -[NSOutlineViewBinder
observeValueForKeyPath:ofObject:change:context:] ()
#7 0x92fede77 in -[NSBinder _performConnectionEstablishedRefresh] ()
#8 0x92fe60e8 in -[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:] ()
#9 0x000135f6 in -[PMProjectView initTable] (self=0x11d22430,
_cmd=0x16c82) at /Users/kentozier/Desktop/PageManager Dev (Leopard)/
PMWidgetLab/PMProjectView.m:170
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Re: what do you use to make icons and similar?
On Oct 19, 2008, at 5:20 AM, Roland King wrote: I need a make a few icons and other graphics for my app, simple stuff like a small yellow triangle with an invisible background. I'm totally and completely graphically challenged which never helps. I can't find a simple (preferably free!) drawing program which will let me make stuff like this. What does everyone use for these things? When the time comes to replace the ugly icons in my app, I plan to try NodeBox (I doubt I'll have the money to pay someone). Daniel Jalkut got very nice results with it for his blog and for his FlexTime app, and it looks like a really fun way to learn Python while I'm at it: http://www.red-sweater.com/blog/146/blog-redesign --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 [EMAIL PROTECTED]
Re: mutatingNodes error when binding to an NSArray
I should add that if i change to a normal NSTableView, I don't get
that error and everything basically works (except for the expand
collapse functionality) so it seems to be something specific to
NSOutlineViews.
On Oct 19, 2008, at 7:26 AM, Ken Tozier wrote:
Hi
I'm working my first NSOutlineView app and trying to programatically
bind the the content property of an NSOutlineView to a mutable
files array property of a class and keep getting the following
error in the console.
*** -[PMProjectView _mutatingNodes]: unrecognized selector sent to
instance 0x11d21ff0
My files view is significantly different than a simple Finder-like
hierarchy so the example code here (http://developer.apple.com/documentation/Cocoa/Conceptual/OutlineView/Articles/UsingOutlineDataSource.html
) was of only minimal help.
I did a Google, Apple dev and source code search for that method and
came up empty. The NSOutlineView documentation makes no mention of
this method so what is it looking for? As mentioned, this is my
first attempt at using NSOutlineView, so I have no clue what could
be causing this error.
Any help appreciated
Looking at the GDB back trace, the trouble seems to start in the
following [PMProjectView initTable] method
- (void) initTable
{
NSTableColumn *nameColumn;
NSTextFieldCell *nameCell;
NSRect selfFrame = [self frame],
conFrame;
// get content frame size
conFrame= NSMakeRect(0, 0, selfFrame.size.width, 0);
// create text cell
nameCell= [[NSTextFieldCell alloc] init];
// create the name column
nameColumn = [[NSTableColumn alloc] initWithIdentifier:
@name];
[nameColumn setDataCell: nameCell];
[nameColumn setMinWidth: 1000];
[nameColumn bind: @value toObject: self withKeyPath:
@files.name options: nil];
// create the table
table = [[NSOutlineView alloc] initWithFrame: conFrame];
NSLog(@adding name column);
[table addTableColumn: nameColumn];
NSLog(@setting header view);
[table setHeaderView: nil];
[table setAutoresizingMask: NSViewWidthSizable | NSViewMaxYMargin];
[table setUsesAlternatingRowBackgroundColors: YES];
[table setFocusRingType: NSFocusRingTypeNone];
[table setColumnAutoresizingStyle:
NSTableViewLastColumnOnlyAutoresizingStyle];
// this line prints to the console
NSLog(@binding content);
// This is where it seems to be failing
[table bind: @content toObject: self withKeyPath: @files
options: nil];
// this line never prints
NSLog(@bound content ok);
}
Here's the relevant portion of the GDB backtrace:
#0 0x936f1ff4 in ___TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___ ()
#1 0x907a70fb in objc_exception_throw ()
#2 0x936f934a in -[NSObject doesNotRecognizeSelector:] ()
#3 0x936f794c in ___forwarding___ ()
#4 0x936f7a12 in __forwarding_prep_0___ ()
#5 0x98d7 in -[NSOutlineViewBinder
_observeValueForKeyPath:ofObject:context:] ()
#6 0x965d in -[NSOutlineViewBinder
observeValueForKeyPath:ofObject:change:context:] ()
#7 0x92fede77 in -[NSBinder _performConnectionEstablishedRefresh] ()
#8 0x92fe60e8 in -[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:] ()
#9 0x000135f6 in -[PMProjectView initTable] (self=0x11d22430,
_cmd=0x16c82) at /Users/kentozier/Desktop/PageManager Dev (Leopard)/
PMWidgetLab/PMProjectView.m:170
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Re: what do you use to make icons and similar?
forgot about GIMP, might try that. I found something called 'DrawIt', the free version of which is crippled to 5 layers but .. not really an issue for what I'm doing. What I'm creating here are some very small button icons and a few indicators, 30x30 pixels, small, with very simple shapes, that size things have to be pretty clear, not much room for fancy stuff. Gradient fill would be nice but I may just have to live without it. I believe png are really what I'm trying to make here, they seem to be recommended. Thanks for the tip. On Oct 19, 2008, at 5:37 PM, Jean-Daniel Dupas wrote: Le 19 oct. 08 à 11:20, Roland King a écrit : I need a make a few icons and other graphics for my app, simple stuff like a small yellow triangle with an invisible background. I'm totally and completely graphically challenged which never helps. I can't find a simple (preferably free!) drawing program which will let me make stuff like this. What does everyone use for these things?___ There is Gimp. It can do whatever you need, but you may have to learn how to use it (this is not the most intuitive software I know). If you need simple graphics, you can also use the free vetor graphic editor: inkscape. What do you want to do with your images ? icns are mainly used for Desktop Icon, for other application images (toolbar, button, ..), you can use tiff that is far more versatile. If you want to create icns, just create your images in a standard format (tiff, png, etc…) and then use Icon Composer (from the Xcode tools) to create the icns version. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Views, frames, and bounds
I did read the section of the documentation you mentioned, but so far
it hasn't helped.
I'll show you some of the code I was playing with. I'm just not
understanding why I'm getting the results I do.
I used IB to create a subview in a window, by dragging a custom layout
view from the Library. I then set its class to MyView.
In MyView I have this:
- (void)drawRect:(NSRect)rect {
[[NSColor redColor] set];
[NSBezierPath strokeRect:[self bounds]];
}
When I run the code I get a nice red rectangle in the window, just
where I expected it. But when I replace bounds with frame, I get
nothing.
That's the first puzzle. Maybe if I can understand what's happening
here, the other puzzles will be resolved too!
dkj
On 18 Oct, 2008, at 22:06, Jamie Hardt wrote:
Do make sure you've read this: http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaViewsGuide/Coordinates/chapter_3_section_3.html#/
/apple_ref/doc/uid/TP40002978-CH10-SW9
The -frame and -bounds are two properties of an NSView, both
rectangles. The frame is the the position of the view within its
superview, thus, if you add a subview B to a view A and make
it's rect {0,0,100,100}, it'll be a 100x100 box in the lower-left
corner of A. The bounds give the visible rectangle of the NSView
in its own coordinate system; by default it has an origin of (0,0)
and the same dimensions as the frame you gave when you initialized
it, but it can be modified later. Thus, the bounds of view B can
be {0,0,200,100} and this would cause the content of view B to be
scrunched 2x from left to right.
When you give drawing commands in drawRect, all coordinates you give
are with regard to the *bounds* of the view. SO, if you took the
hypothetical view B above and stroked from (0,0) to (100,0), the
line would only go halfway across the view (50 pixels), as its
bounds.size.width are 2x of its frame.size.width.
Hope this helps. Post your code, as you might have the rects all
right but may be doing something else incorrectly.
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Re: Passing Variables to AppleScript
Pierce Freeman wrote:
I am attempting to create a little application that will take an
application
name from the user, and then close it for them. I am attempting do
this by
getting the string in Cocoa, then passing this to AppleScript... But
I don't
know if Cocoa can pass variables to AppleScript.
There are ways of passing values to AppleScript, and there are ways of
sending Apple events directly from ObjC.
Those are probably overkill for sending a basic 'quit' event though,
which is a simple cut-n-paste solution. Here's what I use:
#include Carbon/Carbon.h
OSStatus QuitApplicationProcessWithPID(pid_t pid) {
AppleEvent evt, res;
AEDesc errDesc;
OSStatus err;
// build and send a 'quit' event
err = AEBuildAppleEvent(kCoreEventClass, kAEQuitApplication,
typeKernelProcessID,
pid, sizeof(pid),
kAutoGenerateReturnID,
kAnyTransactionID,
evt, NULL, );
if (err) return err;
err = AESendMessage(evt, res, kAEWaitReply, kAEDefaultTimeout);
AEDisposeDesc(evt);
// note: process may quit without replying
if (err == connectionInvalid) return noErr;
if (err) return err;
// check if reply event contains an error number, e.g.
userCanceledErr
err = AEGetParamDesc(res, keyErrorNumber, typeSInt32, errDesc);
if (err == noErr) {
AEGetDescData(errDesc, err, sizeof(err));
AEDisposeDesc(res);
} else if (err == errAEDescNotFound)
err = noErr;
return err;
}
Use -[NSWorkspace launchedApplications] to look up the application's
process id based on its name.
HTH
has
--
Control AppleScriptable applications from Python, Ruby and ObjC:
http://appscript.sourceforge.net
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Re: Views, frames, and bounds
On 20 Oct 2008, at 12:08 am, DKJ wrote: When I run the code I get a nice red rectangle in the window, just where I expected it. But when I replace bounds with frame, I get nothing. That's the first puzzle. Maybe if I can understand what's happening here, the other puzzles will be resolved too! I can only suggest you're really over-thinking this, because the concept is really very simple. The frame is where your view is within its parent. The bounds is your local co-ordinate system. Let's say you have a simple view that is 100 x 100 pixels. When the view is asked to draw, it wants to draw in a rect 0,0 to 100,100. If that view is shifted within its window, you still want to be able to draw from 0,0 to 100,100. This is your bounds. In other words, moving the view doesn't change this, it always starts at 0,0. The frame is where the view is in the parent - for simplicity let's say that's the window. The size is still the same, 100 x 100, but the origin will change depending on where the view is. It might be from 50,50 to 150,150 for example. It's analogous to a window on screen - the window's local co-ordinates always start at 0,0 but the window can be dragged anywhere on the screen and the window content doesn't need to take that into account. Views take the same idea one step further, so you can draw a view's content without caring about its position. Note - when drawing the content of a view, you very rarely need to know what the frame is. Only the bounds tends to matter. Also, the co- ordinate system is set up to be the bounds when the call to drawRect: is made. If you substitute [self frame] for [self bounds] when drawing, it may or may not produce visible results depending on where your view is positioned. Since you are always drawing relative to the bounds, using the frame here is incorrect. For example if your frame's origin is 50,50, drawing the frame rect will start at 50,50 relative to your bounds' origin. That could well be beyond the edge of the bounds and so you might see nothing. In the simple case, the SIZE of the frame and the bounds is the same, but the position is different - the bounds will always have an origin of 0,0 no matter where the view is positioned. However, the size of the frame and the bounds can also be different. This occurs when you have a scrollable view (where the bounds is larger than the frame, and so can be scrolled around) and also when there is a scaling factor (zoom). hth, 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 [EMAIL PROTECTED]
WebView crashes with JavaScript enabled
Hi all, If I enable JavaScript in my WebView, it exits with status 2, after printing Debugger() was called! to the console. When I disable it, it works fine – but without JavaScript. My code (URL given as an example): [[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]]; That's it. Simply loading the page crashes the application. If this doesn't crash it, clicking on the Next link at the bottom will.___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: WebView crashes with JavaScript enabled
And I forgot to mention – the application does not crash when started with Instruments. On 19 Oct 2008, at 14:33:41, Benjamin Dobson wrote: Hi all, If I enable JavaScript in my WebView, it exits with status 2, after printing Debugger() was called! to the console. When I disable it, it works fine – but without JavaScript. My code (URL given as an example): [[webView mainFrame] loadRequest:[NSURLRequest requestWithURL: [NSURL URLWithString:@http://www.w3schools.com/js/ js_examples.asp]]]; That's it. Simply loading the page crashes the application. If this doesn't crash it, clicking on the Next link at the bottom will. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On Oct 19, 2008, at 5:50 AM, Benjamin Dobson wrote: I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. Please excuse me if I missed something earlier in the thread, but my understanding of TIFFs (and PNGs and JPEGs) is that they're all purely raster formats. Thus, how does saving a TIFF as a PDF get you resolution independence? (At least that's what I read you to be saying.) steve ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: What is A class which must be subclassed ?
On Sat, Oct 18, 2008 at 11:28 PM, Jerry Krinock [EMAIL PROTECTED] wrote: On 2008 Oct, 18, at 18:16, Michael Ash wrote: The question is ... does it make *sense* to create [an instance of the base class Foo]. The answer is no. If the answer is no, then it's an abstract class. Is my answer a ^sufficient^ condition so that I can state in my documentation that Foo is an abstract class ? I think there are two conditions needed: is it pointless to instantiate Foo, and is Foo designed to stop being pointless if it's subclassed? Then you have an abstract class. (An example of something that's pointless to instantiate but not designed to be subclassed would be a Java-style utility class, where the class is only used to expose function-like entities as class/static methods.) Mike ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Views, frames, and bounds
On Sat, Oct 18, 2008 at 11:04 PM, DKJ [EMAIL PROTECTED] wrote: I am unable to understand the relation between the frame and the bounds of an NSView. I've read the documentation in the View Programming Guide, and also played around with them myself in a practice project. In the latter, I tried drawing their rectangles in different colours, but couldn't get both to display. So I'm still at a loss. Can someone point me towards other documentation that might get through the fog? Take a piece of graph paper. Draw a dot on the paper at coordinate 1,1. Now draw a rectangle from 5,5 to 15, 15. Call this rectangle view. Now draw a dot inside view at 1,1. Notice how it's not at the same location as the original dot. View's frame is 5,5, 10,10. (Cocoa rectangles are origin/size, not point/point.) View's bounds are the same, but expressed in the same coordinates that put the second dot inside the view. Its bounds are 0,0, 10,10. If you move view around the page, its frame changes but its bounds do not. Does that make it more clear? Mike ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Views, frames, and bounds
On Oct 19, 2008, at 9:08 AM, DKJ wrote:
That's the first puzzle. Maybe if I can understand what's happening
here, the other puzzles will be resolved too!
Try placing two of your views in the window with different sizes and
positions. Add NSLog statements to your -drawRect: method that print
the bounds and frame:
- (void)drawRect:(NSRect)rect {
NSLog(@frame: %@, NSStringFromRect([self frame]));
NSLog(@bounds: %@, NSStringFromRect([self bounds]));
[[NSColor redColor] set];
[NSBezierPath strokeRect:[self bounds]];
}
See if that helps.
--Andy
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Re: what do you use to make icons and similar?
: I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. Please excuse me if I missed something earlier in the thread, but my understanding of TIFFs (and PNGs and JPEGs) is that they're all purely raster formats. Thus, how does saving a TIFF as a PDF get you resolution independence? (At least that's what I read you to be saying.) steve It doesn't and it cannot. PDF is only a container, that happens to support vector art well, but cannot vectorize a raster image. If you properly placed some vector art into a pdf you might be able to garner some sort of resolution independence, but it's probably not worth the effort, and definitely won't look as good in most cases as well designed/optimized icons. Until displays approach something like 300dpi or higher, like print media, our eyes will be better served by icons hand-tooled for particular sizes. Your safest bet is to make use of PNG. It supports transparency. If you need something in .icns format, make use of Icon Composer. As for drawing/painting apps, don't be cheap! If you don't have skill, pay somebody to do it. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Views, frames, and bounds
The penny has finally dropped. Thanks to all for your help. dkj ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On 19 Oct 2008, at 16:22:44, Steve Christensen wrote: On Oct 19, 2008, at 7:38 AM, Benjamin Dobson wrote: On 19 Oct 2008, at 15:12:09, Steve Christensen wrote: On Oct 19, 2008, at 5:50 AM, Benjamin Dobson wrote: I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. Please excuse me if I missed something earlier in the thread, but my understanding of TIFFs (and PNGs and JPEGs) is that they're all purely raster formats. Thus, how does saving a TIFF as a PDF get you resolution independence? (At least that's what I read you to be saying.) I'm not entirely sure. I saved a TIFF file from the GIMP, and yes, it does look like raster. But there is evidently more information there, as when I converted it to PDF in Preview, it saved it as a scalable format. I don't know how, but it evidently worked. So if you scale the PDF to different sizes, is the image from the TIFF always crisp (no jaggy edges, etc.)? The PDF never seems to get jaggy edges. The original TIFF file does, but the PDF remains fine. I think it depends in part on what application you use. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
Le 19 oct. 08 à 16:32, John Joyce a écrit : : I believe png are really what I'm trying to make here, they seem to be recommended. PNGs are not resolution independent, although they are perfectly acceptable. Saving as a TIFF then converting it to PDF with Preview works well for me. Please excuse me if I missed something earlier in the thread, but my understanding of TIFFs (and PNGs and JPEGs) is that they're all purely raster formats. Thus, how does saving a TIFF as a PDF get you resolution independence? (At least that's what I read you to be saying.) steve It doesn't and it cannot. PDF is only a container, that happens to support vector art well, but cannot vectorize a raster image. If you properly placed some vector art into a pdf you might be able to garner some sort of resolution independence, but it's probably not worth the effort, and definitely won't look as good in most cases as well designed/optimized icons. Until displays approach something like 300dpi or higher, like print media, our eyes will be better served by icons hand-tooled for particular sizes. Your safest bet is to make use of PNG. It supports transparency. If you need something in .icns format, make use of Icon Composer. As for drawing/painting apps, don't be cheap! If you don't have skill, pay somebody to do it. unlike tiff, png does not support multi representations with different resolution which is the recommanded way to store raster images (vectorial images should be pdf of course). So, PNG is not recommanded. See this for details: http://developer.apple.com/documentation/UserExperience/Conceptual/HiDPIOverview/HiDPIArt/chapter_4_section_5.html ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On Oct 19, 2008, at 9:32 AM, John Joyce wrote: It doesn't and it cannot. PDF is only a container, that happens to support vector art well, but cannot vectorize a raster image. If you properly placed some vector art into a pdf you might be able to garner some sort of resolution independence, but it's probably not worth the effort, and definitely won't look as good in most cases as well designed/optimized icons. I will disagree here. It was so worth the effort to move all my bitmapped images to vector-based artwork. I got beautiful scaling from 0.5 to 3.0x to include non-integral scaling factors. In terms of the statement cannot vectorize a raster image... Adobe Illustrator can do such a task. Until displays approach something like 300dpi or higher, like print media, our eyes will be better served by icons hand-tooled for particular sizes. It all depends upon the artwork. I think you'll find that most artwork will scale very well if vectorized. ___ Ricky A. Sharp mailto:[EMAIL PROTECTED] Instant Interactive(tm) http://www.instantinteractive.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 [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On Oct 19, 2008, at 12:09 PM, Ricky Sharp wrote: I will disagree here. It was so worth the effort to move all my bitmapped images to vector-based artwork. I got beautiful scaling from 0.5 to 3.0x to include non-integral scaling factors. In terms of the statement cannot vectorize a raster image... Adobe Illustrator can do such a task. Illustrator has what used to be Streamline built into it, but it really is only good for stuff that should have been vector-based when it was created anyway. For instance, photographic bitmaps can't be vectorized in this way, or is there some magic new tool that I don't know about? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: WebView crashes with JavaScript enabled
On Sun, Oct 19, 2008 at 8:33 AM, Benjamin Dobson
[EMAIL PROTECTED] wrote:
If I enable JavaScript in my WebView, it exits with status 2, after printing
Debugger() was called! to the console. When I disable it, it works fine –
but without JavaScript. My code (URL given as an example):
[[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
That's it. Simply loading the page crashes the application. If this doesn't
crash it, clicking on the Next link at the bottom
will.
Works fine for me. Simple Cocoa application, create the proper
connections, and put this in the app delegate:
- (void) applicationDidFinishLaunching:(NSNotification*)aNotification
{
NSLog( @isJavaScriptEnabled = %d, [[webView preferences]
isJavaScriptEnabled] );
[[webView mainFrame] loadRequest:[NSURLRequest
requestWithURL:[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
}
Console prints a 1, and the page doesn't crash. I think your problem
lies with some other part of your code.
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Re: WebView crashes with JavaScript enabled
On Oct 19, 2008, at 14:22 , Stephen J. Butler wrote:
On Sun, Oct 19, 2008 at 8:33 AM, Benjamin Dobson
[EMAIL PROTECTED] wrote:
If I enable JavaScript in my WebView, it exits with status 2, after
printing
Debugger() was called! to the console. When I disable it, it
works fine –
but without JavaScript. My code (URL given as an example):
[[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:
[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
That's it. Simply loading the page crashes the application. If this
doesn't
crash it, clicking on the Next link at the bottom
will.
Works fine for me. Simple Cocoa application, create the proper
connections, and put this in the app delegate:
- (void) applicationDidFinishLaunching:(NSNotification*)aNotification
{
NSLog( @isJavaScriptEnabled = %d, [[webView preferences]
isJavaScriptEnabled] );
[[webView mainFrame] loadRequest:[NSURLRequest
requestWithURL:[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
}
Console prints a 1, and the page doesn't crash. I think your problem
lies with some other part of your code.
Actually, the exception you get looks like you're dereferencing an
integer somewhere... possibly
something like:
NSLog(@The return code: %@, returnCode);
Which would cause that exception...
smime.p7s
Description: S/MIME cryptographic signature
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Re: WebView crashes with JavaScript enabled
On 19 Oct 2008, at 19:41:41, Jason Coco wrote:
On Oct 19, 2008, at 14:22 , Stephen J. Butler wrote:
On Sun, Oct 19, 2008 at 8:33 AM, Benjamin Dobson
[EMAIL PROTECTED] wrote:
If I enable JavaScript in my WebView, it exits with status 2,
after printing
Debugger() was called! to the console. When I disable it, it
works fine –
but without JavaScript. My code (URL given as an example):
[[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:
[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
That's it. Simply loading the page crashes the application. If
this doesn't
crash it, clicking on the Next link at the bottom
will.
Works fine for me. Simple Cocoa application, create the proper
connections, and put this in the app delegate:
- (void) applicationDidFinishLaunching:(NSNotification*)aNotification
{
NSLog( @isJavaScriptEnabled = %d, [[webView preferences]
isJavaScriptEnabled] );
[[webView mainFrame] loadRequest:[NSURLRequest
requestWithURL:[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
}
Console prints a 1, and the page doesn't crash. I think your problem
lies with some other part of your code.
Actually, the exception you get looks like you're dereferencing an
integer somewhere... possibly
something like:
NSLog(@The return code: %@, returnCode);
Which would cause that exception...
I don't think so. My subclasses don't reference the webView at all,
and what does – see for yourself.
- (void)applicationDidFinishLaunching:(NSNotification *)notification {
[[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL
URLWithString:@http://www.w3schools.com/js/js_examples.asp;]]];
//[helpMenuItem setKeyEquivalent:@?];
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
[center addObserver:self selector:@selector(progressChanged:)
name:WebViewProgressEstimateChangedNotification object:webView];
[center addObserver:self selector:@selector(progressChanged:)
name:WebViewProgressStartedNotification
object:webView];
[center addObserver:self selector:@selector(progressFinished:)
name:WebViewProgressFinishedNotification
object:webView];
[webView setContinuousSpellCheckingEnabled:YES];
}
- (void)progressChanged:(NSNotification *)notification {
NSRect progRect = [progressIndicator frame];
float progress = [webView estimatedProgress];
progRect.size.width = progress * 192;
[progressIndicator setFrame:progRect];
}
- (void)progressFinished:(NSNotification *)notification {
NSRect progRect = [progressIndicator frame];
progRect.size.width = 192;
[progressIndicator setFrame:progRect];
progRect.size.width = 0;
[progressIndicator setFrame:progRect];
}
progressIndicator is an NSImageView.
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Re: Converting from HTML
Following that link and pasting the code, I find it doesn't work correctly. It's replacing amp; with a space! All I'm trying to do is parse the RSS feed URL out of the head section of a document. I didn't think it'd be so difficult! As this app is going to be used on a specific site, I think I'll just do manual string replacements for now, as it seems the easiest solution. On 18 Oct 2008, at 00:22, Aurora Phoenix wrote: Hi DI... Depending on how heavy you need to understand the structure of the HTML, a simple parse using string chopping/ranges might be sufficient OR (personally I would prefer) use something like libxml2 / Xpath to grok the input. Note simple resolution of entities might not be sufficient, particularly because you seem to be grabbing URI/URL... If you are grabbing URL with intent of passing them on to the URL Loading System (NSURL*, NSHTTPURL*), you will on the back end also ensure that prior to passing the string itself is URLEncoded (e.g, replacing spaces with %20 and such). Someone else has posted the link to ThinkMac blog which has a snippet for cheap char entity resolution in Objective C ( http://www.thinkmac.co.uk/blog/2005/05/removing-entities-from-html-in-cocoa . html) Cheers and good luck! On 10/16/08 19:17 , Drarok Ithaqua [EMAIL PROTECTED] wrote: Hi all, i'm trying to find a way to convert an HTML-originated URL into one I can use in cocoa. Example input: link type=application/rss+xml rel=alternate href=/ search/uniqueamp;stuffamp;here / I know the URL that this data is fetched from, so I can prefix that to achieve a full URL again, but I need to convert the amp; into plain ampersands, but there could be all kinds of HTML characters in there. Is there a category on NSString out there I could use for this? I read somewhere that I could use an NSAttributedString and initWithHTML, but that leaves me with an empty string. I'm guessing because it's inside a head tag? Not sure. I'm also open to using something more intelligent than my current method of searching the string for link to find the rss feed, if there's perhaps an easier way that would also convert the HTML characters for me. Maybe webkit has something for me? I look forward to your replies, and you have my thanks in advance. - Drarok ___ 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/aurora.phoenix.draco%40gmail . com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Binding across different Nib
Hi, I have recently discovered the bind features and I have found it's a great technology. It really saves a lot of time. I have added a NSObjectController to the xib file, connected it to MYClass and my test worked well. Now I have a MyDocument.xib file containing the controller and the window of my document. And I have a different MainMenu.xib file containing the Inspector window and InspectorObject and the inspectorController. I wouldn't put the Inspector window in the MyDocument xib file because I should have only one Inspector window and several documents windows open. So now, how to connect the NSObjectController to the active document? Actually I have put the inspectorController in the MainMenu.xib, and coded [inspectorController setContent:self]; in the windowControllerDidLoadNib in my MyDocument class. When I create a new document, it works. But I really need to put this statement in something like onActivateDocument method. Any idea? And should I really put the inspectorController in the MainMenu.xib file or in the MyDocument.xib file? Thank you -- LL ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Binding across different Nib
On Oct 19, 2008, at 2:21 PM, gMail.com wrote: So now, how to connect the NSObjectController to the active document? http://www.google.com/search?client=safarirls=en-usq=Binding+across+different+Nibie=UTF-8oe=UTF-8 mmalc ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Core Data: fetching keypaths through abstract entities
I want to use a keypath that goes through an abstract entity down into a concrete sub-entity. For example, given this data model: Abstract entity: person Concrete sub-entities: man, woman Abstract entity: club relationship: members (- person) Concrete sub-entities: allMale, coed I want to specify a fetch request like so: Entity: allMale Predicate: ALL members.beard 0 Since beard is not an attribute of the abstract person entity that members points to, I get the following error at runtime: NSInvalidArgumentException -- keypath members.beard not found in entity NSSQLEntity allMale id=8 Other than redesigning the data model, is there a way to specify the concrete entities that Core Data should use at each point in the keypath? I.e. something like ALL members.(man)beard 0? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: what do you use to make icons and similar?
On 20 Oct 2008, at 1:32 am, John Joyce wrote: If you don't have skill, pay somebody to do it. Not always an option, even if desirable. For a small one-man shop, consider these prices, which I received from a certain icon shop that is promoted (among several) on Apple's own site's business resources. They are possibly reasonable if you already have an established business but for a startup? Our app will probably end up needing about 200 icons overall throughout its UI. So together with the app icon we are looking at ~$105,000. That's crazy. The cost of a logo/application icon is $2500. Mac OS X toolbar icons are $525/icon and come in all the standard sizes and file formats the platform supports. Web icons: 32x32 - $262/icon 24x24 - $175/icon ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Pointing in the right direction for an XCode 3 pref pane.
Hi all, I'm a novice as far as Cocoa is concerned having only just finished Aaron Hillegass' book on programming for OS X. It's been going fairly well until I actually wanted to apply the ideas to my own project! I've written a ruby command line utility that has a model stored in a plist file and I felt a prefpane would be a good solution for editing the Plist. I have some very basic questions that I'm fairly ashamed that I even have to ask, but I've scoured the web for prefpane based tutorials for XCode 3 without joy, so there's nothing for it but to go ahead and ask a stupid question. Having constructed a preference subclass with the appropiate outlets corresponding to those I've placed in the nib file, I'm getting an NSObject and setting it's class to the preference pane subclass with my outlets in it, but this seems to be giving me an unexpected choice of outlets when I'm trying to connect them. I was hoping to see the outlets broadcastIP, printers and servers. Instead I see _FirstKeyView, _InitialKeyView, _LastKeyView window and New Referencing Outlet. Am I supposed to use something other than an NSObject when it's a preference pane in order to make connections? Thank you very much, Adam Penny ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: NSUserDefaults and binding to an NSDictionary
Not sure how to best join a thread since there's no Reply link on Apple Mailing Lists, but... I've been struggling to do what Daniel wants for a week and can't figure it out either. My user defaults are not a flat list and I need to be able to bind to subdictionary values in Interface Builder. I've tried using NSDictionaryController and NSArrayController but they just generate runtime errors or populate my NSTextFields with values like (. So can you please elaborate, Matt? The only place I see a Handles Content as Compound Value checkbox in IB is on an NSObjectController. But Apple's docs don't explain when or how to use this. There must be a simpler solution to this common issue. I too expected a syntax like DictionaryName.KeyName to work in IB's Bindings pane. Anything more than that seems heavy-handed. Thanks, Todd On or about 10/16/06 12:15 PM, thus spake Daniel Tapie [EMAIL PROTECTED]: Hi Matt, Are you implying I cannot use the Shared Defaults Controller in this case? No. m. On 16 oct. 06, at 21:02, Matt Neuburg wrote: On Mon, 16 Oct 2006 14:23:24 +0200, Daniel Tapie [EMAIL PROTECTED] said: Hi there, I have a simple question regarding bindings and user defaults and I could not find an answer in any of the mailing lists (it is probably very obvious). My user defaults contain a few booleans, strings and numbers all of which work fine when bound to various text fields and checkboxes. So, my question is: how do I bind values that are included in an NSDictionary which itself is one of my user defaults? Here is the typical structure of my user defaults: -- Key: @Preference 1, Value (NSString): @any string -- Key: @Preference 2, Value (NSNumber): 1234 -- Key: @Sub Preferences, Value (NSDictionary): -- Key: @Sub Preference 1, Value (NSString): @any string -- Key: @Sub Preference 2, Value (NSNumber): 4567 So, I tried binding a text field to Sub Preferences.Sub Preference 1 but all it does is create a Sub Preferences.Sub Preference 1 string and not a dictionary containing the string. Aside from the question of how you are naming your keys, the big trick here is to pass thru a controller where Handles Content as Compound Value is checked. m. -- matt neuburg, phd = [EMAIL PROTECTED], http://www.tidbits.com/matt/ A fool + a tool + an autorelease pool = cool! AppleScript: the Definitive Guide - Second Edition! http://www.amazon.com/gp/product/0596102119 Daniel Tapie ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Pointing in the right direction for an XCode 3 pref pane.
On Oct 19, 2008, at 9:33 AM, Adam Penny wrote: Having constructed a preference subclass with the appropiate outlets corresponding to those I've placed in the nib file, I'm getting an NSObject and setting it's class to the preference pane subclass with my outlets in it, but this seems to be giving me an unexpected choice of outlets when I'm trying to connect them. I was hoping to see the outlets broadcastIP, printers and servers. Instead I see _FirstKeyView, _InitialKeyView, _LastKeyView window and New Referencing Outlet. Am I supposed to use something other than an NSObject when it's a preference pane in order to make connections? Have you tried manually loading the header into IB by dragging the file onto the nib window? IB is supposed to automatically loads headers, but sometimes it doesn't. Nick Zitzmann http://www.chronosnet.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 [EMAIL PROTECTED]
Re: NSUserDefaults and binding to an NSDictionary
Hey Todd, This worked for me... In interface builder, you will need an Array controller Mode: ClassClass Name:NSMutableDictionary Content Array bound to Shared User Defaults Controller - controller key:values - modal key path:yourDefaultsKey Make sure handles content as a compound value is checked here. Good luck, Steven Riggs http://www.stevenriggs.com On Oct 19, 2008, at 5:16 PM, Todd Ouzts wrote: Not sure how to best join a thread since there's no Reply link on Apple Mailing Lists, but... I've been struggling to do what Daniel wants for a week and can't figure it out either. My user defaults are not a flat list and I need to be able to bind to subdictionary values in Interface Builder. I've tried using NSDictionaryController and NSArrayController but they just generate runtime errors or populate my NSTextFields with values like (. So can you please elaborate, Matt? The only place I see a Handles Content as Compound Value checkbox in IB is on an NSObjectController. But Apple's docs don't explain when or how to use this. There must be a simpler solution to this common issue. I too expected a syntax like DictionaryName.KeyName to work in IB's Bindings pane. Anything more than that seems heavy-handed. Thanks, Todd On or about 10/16/06 12:15 PM, thus spake Daniel Tapie [EMAIL PROTECTED]: Hi Matt, Are you implying I cannot use the Shared Defaults Controller in this case? No. m. On 16 oct. 06, at 21:02, Matt Neuburg wrote: On Mon, 16 Oct 2006 14:23:24 +0200, Daniel Tapie [EMAIL PROTECTED] said: Hi there, I have a simple question regarding bindings and user defaults and I could not find an answer in any of the mailing lists (it is probably very obvious). My user defaults contain a few booleans, strings and numbers all of which work fine when bound to various text fields and checkboxes. So, my question is: how do I bind values that are included in an NSDictionary which itself is one of my user defaults? Here is the typical structure of my user defaults: -- Key: @Preference 1, Value (NSString): @any string -- Key: @Preference 2, Value (NSNumber): 1234 -- Key: @Sub Preferences, Value (NSDictionary): -- Key: @Sub Preference 1, Value (NSString): @any string -- Key: @Sub Preference 2, Value (NSNumber): 4567 So, I tried binding a text field to Sub Preferences.Sub Preference 1 but all it does is create a Sub Preferences.Sub Preference 1 string and not a dictionary containing the string. Aside from the question of how you are naming your keys, the big trick here is to pass thru a controller where Handles Content as Compound Value is checked. m. -- matt neuburg, phd = [EMAIL PROTECTED], http://www.tidbits.com/matt/ A fool + a tool + an autorelease pool = cool! AppleScript: the Definitive Guide - Second Edition! http://www.amazon.com/gp/product/0596102119 Daniel Tapie ___ 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/steven.riggs%40me.com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
[OT] How do people use and contribute to this list?
Hi all, I subscribe to the cocoa-dev list RSS feed instead of receiving individual or digest emails. I find this approach is a fast and convenient method to scan the topics, examine individual messages and receive regular updates to the cocoa-dev's content without flooding my inbox. In contrast, if I choose to use the digest mode, I have to scroll or search digests for particular topics and delete digest messages once I'm done with them, which is obviously more tedious. Using an RSS feed reader, it can automatically check for new content and with a keystroke investigate or dismiss content. Given that I read the list more than I contribute to it, I prefer using the RSS feed. However the RSS feed approach carries two problems. Firstly, I cannot reply to individuals off-list because their email addresses are censored. Finally, my contributions become tedious to compose as I have to copy and paste relevant information such as previous messages and subject headers into the new reply. Can anyone offer any advice or suggestions? Or should I settle for the cumbersome digest mode? Thanks, Kiel Gillard ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
On 20/10/2008, at 10:32 AM, Kiel Gillard wrote: Can anyone offer any advice or suggestions? Or should I settle for the cumbersome digest mode? Why not just create a mail folder and add a rule to move Cocoa-Dev messages to it? This is standard procedure AFAIK. -- Rob Keniger ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
On Mon, Oct 20, 2008 at 11:47 AM, Rob Keniger [EMAIL PROTECTED] wrote: On 20/10/2008, at 10:32 AM, Kiel Gillard wrote: Can anyone offer any advice or suggestions? Or should I settle for the cumbersome digest mode? Why not just create a mail folder and add a rule to move Cocoa-Dev messages to it? This is standard procedure AFAIK. Thanks for your reply, Rob. However, I still have to scroll or search digests for particular topics and delete digest messages once I'm done with them, which is obviously more tedious and involved than just hitting space bar in NetNewsWire, for example. Filtering cocoa-dev messages doesn't enable me to quickly scan and identify threads I would like to contribute to like the RSS feed allows me to. Kiel ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
On 20/10/2008, at 10:55 AM, Kiel Gillard wrote: Filtering cocoa-dev messages doesn't enable me to quickly scan and identify threads I would like to contribute to like the RSS feed allows me to. In Mail, select View Organize by Thread. Works for me. -- Rob Keniger ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
Thanks for the replies all, these are helpful suggestions. Kiel On Mon, Oct 20, 2008 at 12:12 PM, Nathan [EMAIL PROTECTED] wrote: The easiest thing to do is just set up a smartbox, except that it sorts, it doesn't move the messages. Set up a rule and mailbox, to simply move all cocoalist messages there. Also, don't receive in digest mode. You'll get more messages, but it's easier to find old topics you're looking for then. I rarely post, but I haven't deleted any so I now have a huge collection of searchable questions and multiple answers for all sorts of problems. Nate On Oct 19, 2008, at 20:32, Kiel Gillard [EMAIL PROTECTED] wrote: Hi all, I subscribe to the cocoa-dev list RSS feed instead of receiving individual or digest emails. I find this approach is a fast and convenient method to scan the topics, examine individual messages and receive regular updates to the cocoa-dev's content without flooding my inbox. In contrast, if I choose to use the digest mode, I have to scroll or search digests for particular topics and delete digest messages once I'm done with them, which is obviously more tedious. Using an RSS feed reader, it can automatically check for new content and with a keystroke investigate or dismiss content. Given that I read the list more than I contribute to it, I prefer using the RSS feed. However the RSS feed approach carries two problems. Firstly, I cannot reply to individuals off-list because their email addresses are censored. Finally, my contributions become tedious to compose as I have to copy and paste relevant information such as previous messages and subject headers into the new reply. Can anyone offer any advice or suggestions? Or should I settle for the cumbersome digest mode? Thanks, Kiel Gillard ___ 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/lipton_lover%40mac.com This email sent to [EMAIL PROTECTED] ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Mouse Coalescing
On 20 Oct 2008, at 12:06 pm, Ian was here wrote: I turned off mouse coalescing with a call to SetMouseCoalescingEnabled( false, NULL ). This gave me beautiful drawing. Only problem is that it's slow and takes a while to catch up after the mouse up event. This is kind of an off the wall question, but is there another way to do this? I feel my only other option may be to use OPenGL, where the drawing would happen much faster. I suspect the problem isn't the number of mouse events, but the number of points on the path this leads to. A path with more than a thousand or so points will become slow to draw. Instead of using many points with straight line segments, how about using fewer points but calculating where the bezier control points should be and use curve segments? It will still be smooth but have much fewer waypoints and thus draw a lot faster. Control points can be placed by using the fact that the line between the control point and the end (or start) point of the curve is the tangent to the curve, and this can be found by detecting the direction the mouse was travelling in. You can obtain this from the deltaX and deltaY parameters of the mouse event. hth, 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 [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
On 20 Oct 2008, at 12:09 pm, Rob Keniger wrote: In Mail, select View Organize by Thread. Works for me. And don't subscribe to the digest, but to the full feed. --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 [EMAIL PROTECTED]
NSMetadataQuery question
I'm trying to write a query where the meta data in question is an NSDate stored as a binary plist. Everything I am doing is failing. I have tried '(myKey %@, date] where date is an instance of NSDate, where it is a NSTimeInterval, and a string. Nothing returns data (or even calls my callback). When I go to Finder, and create a raw query, I do get the data I want. I use the $time.now() macro. This doesn't even compile in an NSPredicate. Any advice? ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: mutatingNodes error when binding to an NSArray
NSOutlineView bindings only work when bound up to an NSTreeController.
On Oct 19, 2008, at 4:26 AM, Ken Tozier wrote:
Hi
I'm working my first NSOutlineView app and trying to programatically
bind the the content property of an NSOutlineView to a mutable
files array property of a class and keep getting the following
error in the console.
*** -[PMProjectView _mutatingNodes]: unrecognized selector sent to
instance 0x11d21ff0
My files view is significantly different than a simple Finder-like
hierarchy so the example code here (http://developer.apple.com/documentation/Cocoa/Conceptual/OutlineView/Articles/UsingOutlineDataSource.html
) was of only minimal help.
I did a Google, Apple dev and source code search for that method and
came up empty. The NSOutlineView documentation makes no mention of
this method so what is it looking for? As mentioned, this is my
first attempt at using NSOutlineView, so I have no clue what could
be causing this error.
Any help appreciated
Looking at the GDB back trace, the trouble seems to start in the
following [PMProjectView initTable] method
- (void) initTable
{
NSTableColumn *nameColumn;
NSTextFieldCell *nameCell;
NSRect selfFrame = [self frame],
conFrame;
// get content frame size
conFrame= NSMakeRect(0, 0, selfFrame.size.width, 0);
// create text cell
nameCell= [[NSTextFieldCell alloc] init];
// create the name column
nameColumn = [[NSTableColumn alloc] initWithIdentifier:
@name];
[nameColumn setDataCell: nameCell];
[nameColumn setMinWidth: 1000];
[nameColumn bind: @value toObject: self withKeyPath:
@files.name options: nil];
// create the table
table = [[NSOutlineView alloc] initWithFrame: conFrame];
NSLog(@adding name column);
[table addTableColumn: nameColumn];
NSLog(@setting header view);
[table setHeaderView: nil];
[table setAutoresizingMask: NSViewWidthSizable | NSViewMaxYMargin];
[table setUsesAlternatingRowBackgroundColors: YES];
[table setFocusRingType: NSFocusRingTypeNone];
[table setColumnAutoresizingStyle:
NSTableViewLastColumnOnlyAutoresizingStyle];
// this line prints to the console
NSLog(@binding content);
// This is where it seems to be failing
[table bind: @content toObject: self withKeyPath: @files
options: nil];
// this line never prints
NSLog(@bound content ok);
}
Here's the relevant portion of the GDB backtrace:
#0 0x936f1ff4 in ___TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___ ()
#1 0x907a70fb in objc_exception_throw ()
#2 0x936f934a in -[NSObject doesNotRecognizeSelector:] ()
#3 0x936f794c in ___forwarding___ ()
#4 0x936f7a12 in __forwarding_prep_0___ ()
#5 0x98d7 in -[NSOutlineViewBinder
_observeValueForKeyPath:ofObject:context:] ()
#6 0x965d in -[NSOutlineViewBinder
observeValueForKeyPath:ofObject:change:context:] ()
#7 0x92fede77 in -[NSBinder _performConnectionEstablishedRefresh] ()
#8 0x92fe60e8 in -[NSObject(NSKeyValueBindingCreation)
bind:toObject:withKeyPath:options:] ()
#9 0x000135f6 in -[PMProjectView initTable] (self=0x11d22430,
_cmd=0x16c82) at /Users/kentozier/Desktop/PageManager Dev (Leopard)/
PMWidgetLab/PMProjectView.m:170
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--
RONZILLA
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Re: [OT] How do people use and contribute to this list?
On Oct 19, 2008, at 5:32 PM, Kiel Gillard wrote: Hi all, I subscribe to the cocoa-dev list RSS feed instead of receiving individual or digest emails. I find this approach is a fast and convenient method to scan the topics, examine individual messages and receive regular updates to the cocoa-dev's content without flooding my inbox. In contrast, if I choose to use the digest mode, I have to scroll or search digests for particular topics and delete digest messages once I'm done with them, which is obviously more tedious. Using an RSS feed reader, it can automatically check for new content and with a keystroke investigate or dismiss content. Given that I read the list more than I contribute to it, I prefer using the RSS feed. However the RSS feed approach carries two problems. Firstly, I cannot reply to individuals off-list because their email addresses are censored. Finally, my contributions become tedious to compose as I have to copy and paste relevant information such as previous messages and subject headers into the new reply. Can anyone offer any advice or suggestions? Or should I settle for the cumbersome digest mode? Thanks, Kiel Gillard Hi! What I do is subscribe to the list for every message, then filter using a Mail rule into, essentially, a special Mailing Lists folder -- then I view that folder as organized by thread. I further refine this with smart mailboxes to filter by what's today, and also one to filter by anything older than three days. Every day I simply go to that last one and delete its contents -- I don't have room in my account to be archiving a ton of messages, but I like to keep the past couple of days'. Also, I'm probably overthinking this, but your message isn't (in my opinion) exactly off-topic -- more of a meta-topic. So I wonder whether a subject heading of [META] How do people use and contribute to this list? would have been cool. Yeah, I'm overthinking it. Cheers, Andrew 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 [EMAIL PROTECTED]
What's the modern solution for sharing data between Cocoa to Windows
If you watch this video from 1995 and the particularly three subsequent parts of the video, you'll see that NeXT offered an interesting technology for seamless communication between Openstep/ Cocoa objects on the server and rich Windows clients running Excel and Visual Basic applications: http://www.youtube.com/watch?v=Hu-jvAWTZ9ofeature=related All of that is gone now. Apple chucked it all 10 years ago. What is the modern solution ? Suppose I have Excel running on a Windows machine and I want to grab data from Cocoa objects running on a remote Mac OS X server. How do I get the data out of the Cocoa objects and into Excel ? Suppose I succeed in getting the data out of a Cocoa application and I then I use the data to produce pie chart in Excel. Now, how do I get an image of that chart show to up on a web page produced by a web server running on Mac OS X ? I apologize in advance if the answers are obvious. I have little to no experience in the realm of web publishing, so I might not be asking the right questions ?I basically just want to do what Steve Jobs demoed in 1995. ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Mouse Coalescing
On Sun, Oct 19, 2008 at 9:06 PM, Ian was here [EMAIL PROTECTED] wrote: I have a drawing application that uses a pen tool to do free style drawing. I am using Quartz in OS X 10.4 (NSBezierPath). The initial problem I had was not getting enough points between event cycles if the user moved the mouse too quickly. I turned off mouse coalescing with a call to SetMouseCoalescingEnabled( false, NULL ). This gave me beautiful drawing. Only problem is that it's slow and takes a while to catch up after the mouse up event. This is kind of an off the wall question, but is there another way to do this? I feel my only other option may be to use OPenGL, where the drawing would happen much faster. As you hint, the problem is not mouse coalescing but performance. OpenGL won't help with this, because your drawing performance is going to be tied to the refresh rate of your monitor anyway. So how do you fix it? Make your event handler run faster. But how can you do that if you can't make drawing go faster? Easy: decouple mouse event handling from drawing. You'll want to disable coalescing as you have done. But then in the event handler, you do *not* want to redraw every time you get a mouse moved event. Doing so guarantees that once the rate of mouse-moved events exceeds your monitor's refresh rate (or your ability to draw, if it happens to be worse) then lag will develop. Instead, do what I'd call display coalescing. Don't redraw with every event. Instead, have a drawing flag. When you get a mouse event and the flag isn't set, set it and then post a custom event to the event queue. Then when you receive that custom event, redraw. This will essentially coalesce all the mouse moved events that were received while drawing so that you stay up to date with them. You will have to ensure that the non-drawing parts of your code always run faster than mouse events come in, but that should be trivial if you're just adding points to some sort of data structure. Mike ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: [OT] How do people use and contribute to this list?
However, I still have to scroll or search digests for particular topics and delete digest messages once I'm done with them, which is obviously more tedious and involved than just hitting space bar in NetNewsWire, for example. Filtering cocoa-dev messages doesn't enable me to quickly scan and identify threads I would like to contribute to like the RSS feed allows me to. I use Entourage. Set up a rule to move messages into a folder, view by threads, view unread only. Periodically look at the folder to see what's new, read anything interesting, then mark all as read. About once a year, I mass delete messages older than a year or so. The view unread only option is the reason I haven't switched to Mail and still use Entourage. -- Scott Ribe [EMAIL PROTECTED] http://www.killerbytes.com/ (303) 722-0567 voice ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: What's the modern solution for sharing data between Cocoa to Windows
On Sun, Oct 19, 2008 at 10:45 PM, Erik Buck [EMAIL PROTECTED] wrote: All of that is gone now. Apple chucked it all 10 years ago. What is the modern solution ? WS-* (WebServicesCore.framework). http://developer.apple.com/documentation/Networking/Conceptual/UsingWebservices/1_intro_folder/chapter_1_section_1.html HTH, --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 [EMAIL PROTECTED]
Is there a character limit in (NSString* title) and (NSString* message) in NSBeginCriticalAlertSheet dialog?
Is there a character limit in (NSString* title) and (NSString* message) in NSBeginCriticalAlertSheet dialog? or there is limited characters for (NSString* message)? __ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.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 [EMAIL PROTECTED]
Re: Updating a Static Text and Slider From High Priority Thread While Resizing a Window [SOLVED]
Actually I just found an old thread:
'Problem redrawing views while window resize button is held'
and the suggestion was to use [window displayIfNeeded]; to force a
window update. This works, so problem solved.
Thanks again,
Peter
On 20/10/2008, at 2:33 PM, Peter Zegelin wrote:
Thanks for your reply Andrew. Unfortunately it still doesn't work.
The text or slider don't update at all if I click and hold on the
resize widget. It will only update if I move the mouse and it is
very 'jerky' even when I do that.
Here is what I have. UpdatePosition is called from my thread and I
have simplified a few things.:
- (void)updatePosition:(id)anObject{
NSAutoreleasePool*pool = [[NSAutoreleasePool alloc] init];
while (1) {
myStopWatch-updatePosition();
[self performSelectorOnMainThread:@selector(updateGUI)
withObject:nil waitUntilDone:NO];
[NSThread sleepForTimeInterval:.001];
std::cout MainThread myStopWatch-getPosition();
std::endl;
}
[pool release];
}
- (void)updateGUI{
double currentPosition;
currentPosition = myStopWatch-getPosition();
[ positionLabel setDoubleValue: currentPosition];
[ positionLabel setNeedsDisplay:YES];
std::cout GUI Thread currentPosition std::endl; --
this doesn't block
}
As you can see updateGUI is being called all the time as std::cout
keeps spitting out data, but my text label doesn't update at all. It
is as if clicking on the resize widget runs in its own loop and only
updates the window when it actually changes size. Interestingly an
app such as GarageBand also stops updating its GUI if a song is
playing and you click and hold on the resize widget.
Peter
On 19/10/2008, at 1:36 PM, Andrew Merenbach wrote:
On Oct 18, 2008, at 7:27 PM, Andrew Merenbach wrote:
On Oct 18, 2008, at 4:23 AM, Peter Zegelin wrote:
Hi,
Still fairly new to Cocoa here.
I have a high priority thread that that for the moment just calls
back as often as possible to a method that updates a static text
object with the current time. A slider is also updated to a new
value. Its a bit like a stop watch with a position indicator.
This all works well until I resize a window or invoke a menu when
the whole thing just grinds to a halt. If I call std::cout with
the value the debugger shows a continuous stream of data so I
know the thread is still being called as often as possible but
the text and slider aren't updating. Is there any way to get
these items to update under these circumstances? I tried calling
[label setNeedsDisplay] but that just caused a crash.
thanks!
Peter Zegelin
Hi, Peter,
Is it possible that your GUI objects are being updated from the
secondary thread? You'll need to use -
performSelectorOnMainThread: to channel updates from the high-
priority thread to the main thread, since only the main thread is
allowed to touch the graphical AppKit classes (which are generally
not threadsafe, with the possible exception of
NSProgressIndicators). Hopefully this solves your issue!
Cheers,
Andrew
Erm, sorry to respond to myself, but I was lazy -- just for
clarity, the full methods available are (from the docs):
- (void)performSelectorOnMainThread:(SEL)aSelector withObject:
(id)arg waitUntilDone:(BOOL)wait;
- (void)performSelectorOnMainThread:(SEL)aSelector withObject:
(id)arg waitUntilDone:(BOOL)wait modes:(NSArray *)array;
-- Andrew
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Mutable arrays
Since mutable arrays and dictionaries expand as required when new objects are added, when should one use -initWithCapacity: methods? dkj ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
Re: Mutable arrays
On 20 Oct 2008, at 4:06 pm, DKJ wrote: Since mutable arrays and dictionaries expand as required when new objects are added, when should one use -initWithCapacity: methods? I'd guess they're only worth using if you know you are about to populate one with a lot of items and the performance hit of letting them grow naturally is worth avoiding. There may also be private classes within the cluster that are optimised for certain numbers of objects, so this will act as a hint as to which one should be used. --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 [EMAIL PROTECTED]
Detecting system preference for trackpad zooming.
How can I programatically detect the state of the Zoom while holding checkbox and modifier key choice in System Prefs - Keyboard Mouse - Trackpad? This setting can clash with a view zooming feature in my app so I'd like to be able to detect it and adjust my own settings accordingly, and/or warn the user. tia, 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 [EMAIL PROTECTED]
Re: Mutable arrays
On Oct 19, 2008, at 10:11 PM, Graham Cox wrote: Since mutable arrays and dictionaries expand as required when new objects are added, when should one use -initWithCapacity: methods? I'd guess they're only worth using if you know you are about to populate one with a lot of items and the performance hit of letting them grow naturally is worth avoiding. There may also be private classes within the cluster that are optimised for certain numbers of objects, so this will act as a hint as to which one should be used. My suggestion would be to never use the -initWithCapacity: methods unless you know that you have a good reason for using them. I would expect that in at least 99% of the times that you use collections there is no measurable difference in performance between using - initWithCapacity: over regular -init. Some general suggestions for best practices wrt. optimizations: 1) Measure first 2) Implement supposed optimization 3) Measure to see the impact of the code change 4) Based on the result of #3, either scrap your changes, or document the optimized code Skipping over step #1 and #3 is always a mistake - It's almost always the case that you'll end up surprised by what you find! We also often forget to do #4, something that typically leads to maintenance problems later on. j o a r ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [EMAIL PROTECTED]
