Re: Jiggling Shadow Offset
On 22 mai 2013, at 01:52, Seth Willits sli...@araelium.com wrote: Changing the blur radius has no affect on the offset. It still behaves the same way. I'm not sure why you think 0.5 would be any different. I believed that using 0.5 would solve the issue… because I have been there before. I should have mentioned that first, sorry. IMHO, what you are observing is a plain bug because there is no way using a blur radius of 0.5 can yield an always visible shadow when using a bigger 1.0 fails to do so. Yet, as you can see in the video I sent you, it works perfectly. Jean Tests have been performed on a regular up-to-date 10.8.3 MBP equipped with a 13 display. On May 21, 2013, at 3:44 PM, Jean Suisse wrote: Have you tried replacing shadow.shadowBlurRadius = 1.0; With: shadow.shadowBlurRadius = 0.5; It should work as expected. Jean On 22 mai 2013, at 00:11, Seth Willits sli...@araelium.com wrote: What bit of obviousness am I missing here? http://www.sethwillits.com/temp/ShadowOffset.mov --- Jean Suisse Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB) — UMR 6302 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
scroll UITableView
I have an UITableView with several searchOptions (like: Starts with, Ends
with, etc.).
When the user changes the search option, the UISearchDisplayDelegate implements:
- (BOOL)searchDisplayController:(UISearchDisplayController *)controller
shouldReloadTableForSearchScope:(NSInteger)searchOption
{
// create some data array with stuff, depending on searchOption
return YES;
}
Works fine.
But: when one scrolls in the table and then switches the searchOption the table
shows the correct items, but at some arbitrary scroll position.
So I added this line in the above method:
[ self performSelector: @selector(scrollToTop:) withObject:
controller.searchResultsTableView afterDelay: 0 ];
- (void)scrollToTop: (UITableView *)tableView
{
NSIndexPath *indexPath = [ NSIndexPath indexPathForRow: 0 inSection: 0
];
[ tableView scrollToRowAtIndexPath: indexPath atScrollPosition:
UITableViewScrollPositionTop animated: NO ];
}
Seems to be working.
But: is this the correct way?
One (minor) problem:
The UITableViewDataSource gets the message: tableView:cellForRowAtIndexPath:
first with some arbitrary rows, and then again with rows 7, 6, 5, ..., 0.
Some (small) waste of battery.
Gerriet.
P.S.
I changed searchDisplayController:shouldReloadTableForSearchScope: to return NO
and added [tableView reloadData]; to my scrollToTop: method.
No more wasted row display.
But still I am not sure whether this is the right way.
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CTLineGetTypographicBounds crash
I'm looking to add some highlighting to my Core Text View, and implemented the
following which comes straight from Apple's SimpleTextInput code example
(https://developer.apple.com/library/iOs/#samplecode/SimpleTextInput/Introduction/Intro.html):
// Helper method for drawing the current selection range (as a simple filled
rect)
- (void)drawRangeAsSelection:(NSRange)selectionRange
{
// If not in editing mode, we do not draw selection rects
if (!self.editing)
return;
// If selection range empty, do not draw
if (selectionRange.length == 0 || selectionRange.location == NSNotFound)
return;
// set the fill color to the selection color
[[SimpleCoreTextView selectionColor] setFill];
// Iterate over the lines in our CTFrame, looking for lines that
intersect
// with the given selection range, and draw a selection rect for each
intersection
NSArray *lines = (NSArray *) CTFrameGetLines(_frame);
for (int i = 0; i [lines count]; i++) {
CTLineRef line = (CTLineRef) [lines objectAtIndex:i];
CFRange lineRange = CTLineGetStringRange(line);
NSRange range = NSMakeRange(lineRange.location, lineRange.length);
NSRange intersection = [self RangeIntersection:range
withSecond:selectionRange];
if (intersection.location != NSNotFound intersection.length 0) {
// The text range for this line intersects our
selection range
CGFloat xStart = CTLineGetOffsetForStringIndex(line,
intersection.location, NULL);
CGFloat xEnd = CTLineGetOffsetForStringIndex(line,
intersection.location + intersection.length, NULL);
CGPoint origin;
// Get coordinate and bounds information for the
intersection text range
CTFrameGetLineOrigins(_frame, CFRangeMake(i, 0), origin);
CGFloat ascent, descent;
CTLineGetTypographicBounds(line, ascent, descent, NULL);
=== BOOM!
// Create a rect for the intersection and draw it with
selection color
CGRect selectionRect = CGRectMake(xStart, origin.y - descent, xEnd
- xStart, ascent + descent);
UIRectFill(selectionRect);
}
}
}
But every time, I get an EXC_BAD_ACCESS error for the
CTLineGetTypographicBounds() call. I triple checked that _frame and line are
valid at this point, and the debugger output shows what it is supposed to be
(correct string, attributes, etc).
Here's the output from bt:
(lldb) bt
* thread #1: tid = 0x1c03, 0x0027bbd0 CoreText`CTLineGetTypographicBounds + 29,
stop reason = EXC_BAD_ACCESS (code=2, address=0x60)
frame #0: 0x0027bbd0 CoreText`CTLineGetTypographicBounds + 29
frame #1: 0x000469a4 MyApp`-[MyView drawRangeAsSelection:](self=0x4576f000,
_cmd=0x, selectionRange=(null)) + 628 at MyView.m:461
Any suggestions why this could be happening?
Thanks,
- Koen.
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Re: CTLineGetTypographicBounds crash
On May 22, 2013, at 8:05 AM, Koen van der Drift koenvanderdr...@gmail.com
wrote:
I'm looking to add some highlighting to my Core Text View, and implemented
the following which comes straight from Apple's SimpleTextInput code example
(https://developer.apple.com/library/iOs/#samplecode/SimpleTextInput/Introduction/Intro.html):
// Helper method for drawing the current selection range (as a simple filled
rect)
- (void)drawRangeAsSelection:(NSRange)selectionRange
{
// If not in editing mode, we do not draw selection rects
if (!self.editing)
return;
// If selection range empty, do not draw
if (selectionRange.length == 0 || selectionRange.location == NSNotFound)
return;
// set the fill color to the selection color
[[SimpleCoreTextView selectionColor] setFill];
// Iterate over the lines in our CTFrame, looking for lines that
intersect
// with the given selection range, and draw a selection rect for each
intersection
NSArray *lines = (NSArray *) CTFrameGetLines(_frame);
for (int i = 0; i [lines count]; i++) {
CTLineRef line = (CTLineRef) [lines objectAtIndex:i];
CFRange lineRange = CTLineGetStringRange(line);
NSRange range = NSMakeRange(lineRange.location, lineRange.length);
NSRange intersection = [self RangeIntersection:range
withSecond:selectionRange];
if (intersection.location != NSNotFound intersection.length 0) {
// The text range for this line intersects our
selection range
CGFloat xStart = CTLineGetOffsetForStringIndex(line,
intersection.location, NULL);
CGFloat xEnd = CTLineGetOffsetForStringIndex(line,
intersection.location + intersection.length, NULL);
CGPoint origin;
// Get coordinate and bounds information for the
intersection text range
CTFrameGetLineOrigins(_frame, CFRangeMake(i, 0), origin);
CGFloat ascent, descent;
CTLineGetTypographicBounds(line, ascent, descent, NULL);
=== BOOM!
// Create a rect for the intersection and draw it with
selection color
CGRect selectionRect = CGRectMake(xStart, origin.y - descent, xEnd
- xStart, ascent + descent);
UIRectFill(selectionRect);
}
}
}
But every time, I get an EXC_BAD_ACCESS error for the
CTLineGetTypographicBounds() call. I triple checked that _frame and line are
valid at this point, and the debugger output shows what it is supposed to be
(correct string, attributes, etc).
Here's the output from bt:
(lldb) bt
* thread #1: tid = 0x1c03, 0x0027bbd0 CoreText`CTLineGetTypographicBounds +
29, stop reason = EXC_BAD_ACCESS (code=2, address=0x60)
frame #0: 0x0027bbd0 CoreText`CTLineGetTypographicBounds + 29
frame #1: 0x000469a4 MyApp`-[MyView
drawRangeAsSelection:](self=0x4576f000, _cmd=0x,
selectionRange=(null)) + 628 at MyView.m:461
Any suggestions why this could be happening?
The preceding call looks like it could be problematic:
CTFrameGetLineOrigins(_frame, CFRangeMake(i, 0), origin);
If you want a single line origin (CGPoint), looks like the length of the range
passed in should be 1, not 0.
From
https://developer.apple.com/library/mac/#documentation/Carbon/reference/CTFrameRef/Reference/reference.html
range
The range of line origins you wish to copy. If the length of the range is 0,
then the copy operation continues from the start index of the range to the
last line origin.
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Re: CTLineGetTypographicBounds crash
On May 22, 2013, at 10:05 AM, Michael Babin mba...@orderndev.com wrote: The preceding call looks like it could be problematic: CTFrameGetLineOrigins(_frame, CFRangeMake(i, 0), origin); If you want a single line origin (CGPoint), looks like the length of the range passed in should be 1, not 0. Well spotted, that fixed it, thank you very much! I now get a bunch of Error: CGContextFillRects: invalid context 0x0 errors, which makes sense since this snippet does not have something like: CGContextRef context = UIGraphicsGetCurrentContext(); I replaced UIRectFill(selectionRect) with CGContextFillRect(context, selectionRect); But I still get the errors, and nothing is drawn. - Koen. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: CTLineGetTypographicBounds crash
On May 22, 2013, at 10:16 AM, Koen van der Drift koenvanderdr...@gmail.com wrote: I now get a bunch of Error: CGContextFillRects: invalid context 0x0 errors, which makes sense since this snippet does not have something like: CGContextRef context = UIGraphicsGetCurrentContext(); I replaced UIRectFill(selectionRect) with CGContextFillRect(context, selectionRect); But I still get the errors, and nothing is drawn. Easy fix, I had to call - (void)drawRangeAsSelection:(NSRange)selectionRange from within drawRect. - Koen. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Jiggling Shadow Offset
How are you forcing the redraw? If you are using setNeedsDisplayInRect:, are you expanding the rect enough to cover the shadow? On 5/22/13 4:34 AM, cocoa-dev-requ...@lists.apple.com cocoa-dev-requ...@lists.apple.com wrote: What bit of obviousness am I missing here? http://www.sethwillits.com/temp/ShadowOffset.mov ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Cocoa-dev Digest, Vol 10, Issue 307
NSData *source = // whatever NSRange myRange = // whatever NSData *subrangeOfSource = [source subdataWithRange: myRange]; On May 18, 2013, at 3:00 PM, cocoa-dev-requ...@lists.apple.com wrote: Send Cocoa-dev mailing list submissions to cocoa-dev@lists.apple.com To subscribe or unsubscribe via the World Wide Web, visit https://lists.apple.com/mailman/listinfo/cocoa-dev or, via email, send a message with subject or body 'help' to cocoa-dev-requ...@lists.apple.com You can reach the person managing the list at cocoa-dev-ow...@lists.apple.com When replying, please edit your Subject line so it is more specific than Re: Contents of Cocoa-dev digest... Today's Topics: 1. Re: Trigger nextkeyview based on NSTextField input length (Jaime Magiera) 2. UIView embedded in UIScrollView hides scroll indicators ? (Koen van der Drift) 3. Re: UIView embedded in UIScrollView hides scroll indicators ? (Marcelo Alves) 4. Re: UIView embedded in UIScrollView hides scroll indicators ? (Koen van der Drift) 5. Re: UIView embedded in UIScrollView hides scroll indicators ? (David Duncan) -- Message: 1 Date: Sat, 18 May 2013 00:53:24 -0400 From: Jaime Magiera ja...@sensoryresearch.net To: CocoaDev dev cocoa-dev@lists.apple.com Subject: Re: Trigger nextkeyview based on NSTextField input length Message-ID: ec829b09-95d2-4531-88bf-afa0ddf19...@sensoryresearch.net Content-Type: text/plain; charset=us-ascii On May 17, 2013, at 11:03 PM, Kyle Sluder k...@ksluder.com wrote: So rather than the four-field approach, why not use _one_ text field with an NSFormatter subclass that adds and removes the dashes in the license code? Then you get all the text handling behavior users expect for free. Very wise. Thanks Kyle. Jaime Magiera Sensory Research, Inc. http://www.sensoryresearch.net -- Message: 2 Date: Sat, 18 May 2013 13:43:02 -0400 From: Koen van der Drift koenvanderdr...@gmail.com To: Cocoa Dev cocoa-dev@lists.apple.com Subject: UIView embedded in UIScrollView hides scroll indicators ? Message-ID: CAF8z=hdb4mga6wiea3stj_6yp_c-01jr18cv6c1235ncxfe...@mail.gmail.com Content-Type: text/plain; charset=UTF-8 In IB I created an UIView embedded in an UIScrollView. They both fill up the screen and are 320 px wide. Scrolling works just fine, but the scroll indicators are invisible. I triple checked the checkboxes in IB, and both Scrolling Enabled and Shows Vertical Scrollers are on. To be super sure I added this to my VC: self.scrollView.scrollEnabled = YES; self.scrollView.showsVerticalScrollIndicator = YES; I tried making the UIView a little less wide (300px), but I still don't see the scroll indicators. What did I miss to make them appear? Thanks, - Koen. -- Message: 3 Date: Sat, 18 May 2013 14:50:19 -0300 From: Marcelo Alves marcelo.al...@me.com To: Cocoa Dev cocoa-dev@lists.apple.com Subject: Re: UIView embedded in UIScrollView hides scroll indicators ? Message-ID: d96ff59d-bb48-4e31-b8c7-be1a50c0d...@me.com Content-Type: text/plain; charset=us-ascii Did you forgot to set the contentSize for the UIScrollView? On 18/05/2013, at 14:43, Koen van der Drift koenvanderdr...@gmail.com wrote: In IB I created an UIView embedded in an UIScrollView. They both fill up the screen and are 320 px wide. Scrolling works just fine, but the scroll indicators are invisible. I triple checked the checkboxes in IB, and both Scrolling Enabled and Shows Vertical Scrollers are on. To be super sure I added this to my VC: self.scrollView.scrollEnabled = YES; self.scrollView.showsVerticalScrollIndicator = YES; I tried making the UIView a little less wide (300px), but I still don't see the scroll indicators. What did I miss to make them appear? Thanks, - Koen. -- Message: 4 Date: Sat, 18 May 2013 14:28:18 -0400 From: Koen van der Drift koenvanderdr...@gmail.com To: Marcelo Alves marcelo.al...@me.com Cc: Cocoa Dev cocoa-dev@lists.apple.com Subject: Re: UIView embedded in UIScrollView hides scroll indicators ? Message-ID: CAF8z=heusyktzny_uye-12cwbrqn4jh7hzepncudtoxaa+2...@mail.gmail.com Content-Type: text/plain; charset=UTF-8 Yes, I did, but I may have made a mistake. I have this in viewDidLoad: self.scrollView.contentSize = CGSizeMake(320, self.myView.frame.size.height + self.tabBarController.tabBar.frame.size.height); I also found that if I add either self.scrollView.bounds = self.view.bounds; or self.scrollView.frame = self.view.frame; I do see the scrollbar, but the content myView is cut off on the right side. So, then I decided to ditch my XIB and to create the two views in my VC, and presto, it works! - Koen. On Sat,
ImageKit: what format does memory mode on 10.7 use?
When I use memory transfer mode on 10.8 , ImageKit calls my scannerDevice:didScanToURL:data: with an NSData object containing TIFF data that can be used with +[NSBitmapImageRep initWithData:]. When I try the same thing on 10.7, the NSData isn't TIFF, it looks like this: $ hexdump -C -n 256 ~/Desktop/Canon-MG4220mystery 70 00 00 00 01 00 00 00 f0 09 00 00 e7 0c 00 00 |p...| 0010 d0 1d 00 00 01 00 00 00 08 00 00 00 18 00 00 00 || 0020 01 00 00 00 00 00 00 00 01 00 00 00 2c 01 00 00 |,...| 0030 73 63 61 6e 6e 65 72 2e 72 65 66 6c 65 63 74 69 |scanner.reflecti| 0040 76 65 2e 52 47 42 2e 70 6f 73 69 74 69 76 65 00 |ve.RGB.positive.| 0050 ee ee ed f0 ee ed ed ef ee ef ee ee f0 ed ed ef || 0060 ed ea e9 f0 ed ed ee ee ef ef ed ee ec eb f0 eb || 0070 21 20 22 21 20 22 20 1f 22 23 23 22 22 20 22 23 |! ! .## #| 0080 24 23 24 25 23 27 2a 2b 53 53 4d a6 9e 9d dc dd |$#$%#'*+SSM.| 0090 df ea e7 e7 ea ea e9 ea eb eb eb eb ef ea ed eb || 00a0 ed eb ea eb eb e9 ea ea ea eb ea ec ec ed ec ed || 00b0 ea ec ec ec ec ed ea eb ee eb eb e9 ea eb ed ed || 00c0 ec ef eb eb ed ed ed ec ea ed eb eb eb eb ed ec || 00d0 ee e9 ea e6 e4 eb ed ea ec ec eb ed ee ea ec ef || 00e0 eb ec ed eb ea ec ea ed eb e9 eb ec eb ed ed ee || 00f0 ee ef ed ec ee ec ec ef eb ed ee ec ed ee ea ea || What format is this? Or better, How can I tell ImageKit that I want TIFF data? Thanks in advance! ___ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Springboard crash in BulletinBoard while app posts local notifications
iPhone 4, iOS 6.1.3, and iPhone 5, OS unknown, can assume 6.1.+ and likely 6.1.3 iOS 6 SDK, iOS 6 target Two users, one instance each, can't reproduce on iPhone 4, iPhone 5, or simulator. Okay, here's what we're seeing. We have an application that posts local notifications, about a dozen at a time. We have a crash that has occurred only once for two users, and never reproduced, certainly not under a debugger. At about the time the notifications are posted (at a -viewDidLoad), and before the view appears, the device resets (at least to the extent of displaying the shiny-apple screen). The app does not appear in the device crash logs. Springboard does log a crash at that time; I would guess that if Springboard crashed, there would be a reset of some kind. The reasons I suspect notifications are: * The timing is right for what the app is doing. * We find the following trace for the crashed thread in Springboard: Thread 18 name: Dispatch queue: com.apple.bulletinboard.bbserverqueue Thread 18 Crashed: 0 libsystem_kernel.dylib0x398e5350 __pthread_kill + 8 1 libsystem_c.dylib 0x3985c11e pthread_kill + 54 2 libsystem_c.dylib 0x3989896e abort + 90 3 libc++abi.dylib 0x38e36d4a abort_message + 70 4 libc++abi.dylib 0x38e33ff4 default_terminate() + 20 5 libobjc.A.dylib 0x393e7a74 _objc_terminate() + 144 6 libc++abi.dylib 0x38e34078 safe_handler_caller(void (*)()) + 76 7 libc++abi.dylib 0x38e34110 std::terminate() + 16 8 libc++abi.dylib 0x38e3550e __cxa_throw + 118 9 libobjc.A.dylib 0x393e79ba objc_exception_throw + 90 10 CoreFoundation0x3168c8d4 -[__NSArrayM insertObject:atIndex:] + 764 11 BulletinBoard 0x3432d30e -[BBServer _feedsForBulletin:destinations:alwaysToLockScreen:] + 426 12 BulletinBoard 0x3432b630 -[BBServer publishBulletin:destinations:alwaysToLockScreen:] + 80 13 BulletinBoard 0x3433f8e8 -[BBServer(Publication) publishBulletinRequest:destinations:alwaysToLockScreen:] + 1416 14 BulletinBoard 0x34333ae4 -[BBServer _publishBulletinRequest:forDataProvider:forDestinations:alwaysToLockScreen:] + 56 15 BulletinBoard 0x34333aa2 -[BBServer _publishBulletinRequest:forDataProvider:forDestinations:] + 26 16 BulletinBoard 0x343320e2 __BBDataProviderAddBulletin_block_invoke_0 + 94 17 libdispatch.dylib 0x397ff11c _dispatch_call_block_and_release + 8 So -[BBServer _feedsForBulletin:destinations:alwaysToLockScreen:] tried to insert an object in a mutable array. Either the object or the index were invalid. NSMutableArray threw an exception, nobody caught it, and Springboard aborted. There is very little on the web (other than a classdump) about crashes in BBServer, which I gather implements local notifications. We've found nothing remarkable in the device that hosted the crash. The user had since uninstalled and reinstalled the app. (Would that delete its crash logs?) The Notification Center settings as we found them (after installation) was in-center, banner, sounds, badges, in lock screen. Here's the post (it's in a loop of about a dozen items): self.localNotification = [[UILocalNotification alloc] init]; [self.localNotification setFireDate:self.dateScheduled]; [self.localNotification setAlertBody:self.itemTitle]; [self.localNotification setApplicationIconBadgeNumber:1]; [self.localNotification setTimeZone:[NSTimeZone systemTimeZone]]; [[UIApplication sharedApplication] scheduleLocalNotification:[self localNotification]]; I don't see anything unusual. Some stackoverflow threads talk about putting non-NSCoding objects into the userInfo dictionary, but we don't touch that all. If we're debugging Springboard, we're in trouble. But Apple probably runs Springboard before releasing an iOS revision, so a bug there is extremely unlikely. — F -- Fritz Anderson Xcode 4 Unleashed: 4.5 supplement for free! http://www.informit.com/store/xcode-4-unleashed-9780672333279 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Showing a popover from an NSOutlineView
Rather than try to get an NSPopUpMenu to work by displaying a window instead of the menu, I'm going down the path of using an NSPopover instead. It allows multiple events in the window and can dismiss when the user clicks somewhere else. Great. Now I *also* need to display this popover from a cell in an outline view. Previously, the cell that used to display this window was a subclass of NSPopUpButtonCell. The cell needs to *look* like a popup cell with the name on the left and popup triangle on the right. I get the feeling that I should not keep using an NSPopUpButtonCell for this, because it will run into the same issues that I was trying to work around before. So is it possible to use some other NSCell class and embed an NSPopUpButtonCell inside of it just so it can do the drawing, but allow me to handle the mouse tracking so I can show the popover instead? Or is there another way to draw a popup triangle? It doesn't look like an outline view cell can be an NSButtonCell. Any guidance would be appreciated, as this entire window is overly complex and I'm about to go insane. -- Steve Mills office: 952-818-3871 home: 952-401-6255 cell: 612-803-6157 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Showing a popover from an NSOutlineView
I've got a simple case for iOS that I can send you where I issue an UIPopoverController and a PopoverContentViewController from a UIButton in a UINavigationBar. Sounds like you're trying to do this in the Mac, but if you think it will help, I'll strip the project down to the minimum and send your way. Will work on iOS 5 and up, Xcode 4.2 and up. As for retheme-ing the border for the popover, haven't tried that yet. If you need some close to accurate triangles, I can get those for you and you can put them in a UIImageView over the button. Let me know. On May 22, 2013, at 5:03 PM, Steve Mills wrote: Rather than try to get an NSPopUpMenu to work by displaying a window instead of the menu, I'm going down the path of using an NSPopover instead. It allows multiple events in the window and can dismiss when the user clicks somewhere else. Great. Now I *also* need to display this popover from a cell in an outline view. Previously, the cell that used to display this window was a subclass of NSPopUpButtonCell. The cell needs to *look* like a popup cell with the name on the left and popup triangle on the right. I get the feeling that I should not keep using an NSPopUpButtonCell for this, because it will run into the same issues that I was trying to work around before. So is it possible to use some other NSCell class and embed an NSPopUpButtonCell inside of it just so it can do the drawing, but allow me to handle the mouse tracking so I can show the popover instead? Or is there another way to draw a popup triangle? It doesn't look like an outline view cell can be an NSButtonCell. Any guidance would be appreciated, as this entire window is overly complex and I'm about to go insane. -- Steve Mills office: 952-818-3871 home: 952-401-6255 cell: 612-803-6157 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com This email sent to z...@mac.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Showing a popover from an NSOutlineView
On May 22, 2013, at 16:15:31, Alex Zavatone z...@mac.com wrote: I've got a simple case for iOS that I can send you where I issue an UIPopoverController and a PopoverContentViewController from a UIButton in a UINavigationBar. Sounds like you're trying to do this in the Mac, but if you think it will help, I'll strip the project down to the minimum and send your way. Will work on iOS 5 and up, Xcode 4.2 and up. Yes, OS X, not iOS. If your case doesn't involve an outline view or table view, I don't think it will be of much help. I already have code to show a popover from a button. I'm asking about showing a popover from a call in an outline view. As for retheme-ing the border for the popover, haven't tried that yet. If you need some close to accurate triangles, I can get those for you and you can put them in a UIImageView over the button. I'm not retheming the popover. I asked about drawing a popup triangle. -- Steve Mills office: 952-818-3871 home: 952-401-6255 cell: 612-803-6157 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Showing a popover from an NSOutlineView
Have you considered subclassing NSPopupButtonCell and overriding the interaction code? The alternative would be to subclass NSCell (or an appropriate subclass) and override the drawing methods. For the triangle, you could either use an image, or preferably, measure the dimensions and draw it using a CGPath. You may also want to consider a view-based outline view, as it is a bit easier to work with, and will be easier to show a popover from. Finally, from an interaction design perspective, you may want your cell/view to look a bit different than a NSPopupButtonCell, as things which behave differently should look different. Thanks, Jon On May 22, 2013, at 2:19 PM, Steve Mills smi...@makemusic.com wrote: On May 22, 2013, at 16:15:31, Alex Zavatone z...@mac.com wrote: I've got a simple case for iOS that I can send you where I issue an UIPopoverController and a PopoverContentViewController from a UIButton in a UINavigationBar. Sounds like you're trying to do this in the Mac, but if you think it will help, I'll strip the project down to the minimum and send your way. Will work on iOS 5 and up, Xcode 4.2 and up. Yes, OS X, not iOS. If your case doesn't involve an outline view or table view, I don't think it will be of much help. I already have code to show a popover from a button. I'm asking about showing a popover from a call in an outline view. As for retheme-ing the border for the popover, haven't tried that yet. If you need some close to accurate triangles, I can get those for you and you can put them in a UIImageView over the button. I'm not retheming the popover. I asked about drawing a popup triangle. -- Steve Mills office: 952-818-3871 home: 952-401-6255 cell: 612-803-6157 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/jhull%40gbis.com This email sent to jh...@gbis.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Showing a popover from an NSOutlineView
Yeah, if you need the triangle, I can toss you an Illustrator file or a PNG so that you can just add a UIImage to the button. On May 22, 2013, at 5:19 PM, Steve Mills wrote: On May 22, 2013, at 16:15:31, Alex Zavatone z...@mac.com wrote: I've got a simple case for iOS that I can send you where I issue an UIPopoverController and a PopoverContentViewController from a UIButton in a UINavigationBar. Sounds like you're trying to do this in the Mac, but if you think it will help, I'll strip the project down to the minimum and send your way. Will work on iOS 5 and up, Xcode 4.2 and up. Yes, OS X, not iOS. If your case doesn't involve an outline view or table view, I don't think it will be of much help. I already have code to show a popover from a button. I'm asking about showing a popover from a call in an outline view. As for retheme-ing the border for the popover, haven't tried that yet. If you need some close to accurate triangles, I can get those for you and you can put them in a UIImageView over the button. I'm not retheming the popover. I asked about drawing a popup triangle. -- Steve Mills office: 952-818-3871 home: 952-401-6255 cell: 612-803-6157 ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: NSMutableDictionary or Custom Object when adding properties?
Howdy, It's very easy to do using runtime. I have a framework for doing dynamic creation at runtime. Also, It's easy to get O-C based class elements such as properties, ivars, protocols. methods using runtime. You can take a look at this. https://gist.github.com/Ch0c0late/5575679 It introspects protocol conformed by a class also it could add new protocol to the class. The rest of the code is on my local. You can feel free using it. It's part of a SCK framework. If you need more type e.g. methods, properties, etc, you can take a look at my framework. I'm coding an OODBMS for OS X that uses O-C runtime so much. Again using runtime it's easy. How? First of all the system creates an empty array. Then the user can create any type of object he/she wants without any limit. For archiving unarchiving I used Boxing UnBoxing classes(NSNumber, NSValue, NSNull) that let me to archive c primitive types and so on. There is s.t. interesting that could be your answer. Take a look at this one https://github.com/snej/MYUtilities/blob/master/MYDynamicObject.h It's a good class that you can use to create dynamic object at runtime. I added Archiving UnArchiving mechanism to it for my own. Please note that in 64 bit system there is no need to declare iVars. The runtime acts as iVar property with property. Down the hatch. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Creating More Than 1 Of The Same Element/control
Hellow, I've been working through a couple of tutorials and managed to make a text field and things just fine. The thing I'm wondering is how do I go about naming the textField what I want to call it, like textField1 or for example rather than just textField? Also, how do I make more than 1 textField? I would just use the same code as for the first one and change the y co-ordinate, but then I would still want to call them all something other than textField. I'm using the objective c language and hate using the storyboard and interface builder. If I'm going to code something, I'll write the code by hand. I tried posting on the objc language list, but the only person who replied seemed to think it was too beginner level and that I was posting on the wrong list. If no one on here can help me rather than insist on suggesting stupid books, I don't really know where else to ask, since I'm not getting a lot of luck on google's search results. Thanks, Harmony. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Dismissing The Keyboard
Hellow, I'm using the numberpad for entering text in the textFields in my iPhone app which is fine, but for some reason I've resigned firstResponder to all the textFields so I can dismiss the keyboard when I press the calculate button, but when I press said button, the keyboard just stays on the screen. Does anyone know what is the best way of dismissing the keyboard? I preferably want to dismiss the keyboard for whichever of the 3 textFields I'm writing in. Also, I've called my textFields txt1, txt2 and txt3 to make it easier, but I had to put an _ character when I wrote the resignFirstResponder lines for the app to even build and run. Thanks for any help/suggestions, Harmony. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dismissing The Keyboard
On Wed, May 22, 2013 at 1:34 PM, Harmony Neil harmony.n...@gmail.com wrote: Does anyone know what is the best way of dismissing the keyboard? I preferably want to dismiss the keyboard for whichever of the 3 textFields I'm writing in. Hello, Give UIView's endEditing: method a try. Here is the doc (shortened with google since Apple's doc URL are kinda messy): http://goo.gl/Cs2Pw You'd basically call it on the UIView containing these text fields. PS: objc-language should not be used for email messages like this. cocoa-dev is fine. 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Managing navigation in an iOS app
Hi James, I'd suggest that you're probably pushing the idea of decoupling things a bit too far here. View Controllers are inherantly tied to the behaviour of your application, and your user's experience of the flow through it. In 95% of cases, it's absolutely correct for the view controller to know the user pushed this button, therefore I should show them this other view controller. For the 5% of remaining cases where (for example) you have a highly reusable view controller that gets used in many different places in the app, and may push a different child VC depending on its usage location, I'd suggest simply using a delegate to that particular VC to allow you to separate out what gets pushed. Thanks Tom Davie On 21 May 2013, at 20:56, j...@clvr.im wrote: I'd like to get some opinions on handling navigation without having your view controllers modify the navigation stack directly. I'm currently working on an app where I've subclassed UINavigationController, which in turn has custom methods for showing the various views of the app. Each of my app's view controllers has no sense of the other pieces of the app, and do not push directly on the navigation controller. I'm thinking this a much better method since it decouples view controllers from each other and allows the flow of the app to be updated more easily. I'm using a lot of NSNotifications to signal commands to the navigation controller, and it's getting a bit messy. I love the idea of a centralized, decoupled navigation controller, but I haven't seen any good examples of this yet. I would love to get some feedback as to if this is a good idea in the first place, or techniques you've implemented to handle this sort of thing. Cheers, James ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/tom.davie%40gmail.com This email sent to tom.da...@gmail.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dismissing The Keyboard
Take a look at [UIView endEditing]. On May 22, 2013, at 4:34 AM, Harmony Neil harmony.n...@gmail.com wrote: I preferably want to dismiss the keyboard for whichever of the 3 textFields I'm writing in. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: ImageKit: what format does memory mode on 10.7 use?
This is reported as rdar://13966809 On May 22, 2013, at 3:24 PM, Eric Slosser eric.slos...@v-fx.com wrote: When I use memory transfer mode on 10.8 , ImageKit calls my scannerDevice:didScanToURL:data: with an NSData object containing TIFF data that can be used with +[NSBitmapImageRep initWithData:]. When I try the same thing on 10.7, the NSData isn't TIFF, it looks like this: $ hexdump -C -n 256 ~/Desktop/Canon-MG4220mystery 70 00 00 00 01 00 00 00 f0 09 00 00 e7 0c 00 00 |p...| 0010 d0 1d 00 00 01 00 00 00 08 00 00 00 18 00 00 00 || 0020 01 00 00 00 00 00 00 00 01 00 00 00 2c 01 00 00 |,...| 0030 73 63 61 6e 6e 65 72 2e 72 65 66 6c 65 63 74 69 |scanner.reflecti| 0040 76 65 2e 52 47 42 2e 70 6f 73 69 74 69 76 65 00 |ve.RGB.positive.| 0050 ee ee ed f0 ee ed ed ef ee ef ee ee f0 ed ed ef || 0060 ed ea e9 f0 ed ed ee ee ef ef ed ee ec eb f0 eb || 0070 21 20 22 21 20 22 20 1f 22 23 23 22 22 20 22 23 |! ! .## #| 0080 24 23 24 25 23 27 2a 2b 53 53 4d a6 9e 9d dc dd |$#$%#'*+SSM.| 0090 df ea e7 e7 ea ea e9 ea eb eb eb eb ef ea ed eb || 00a0 ed eb ea eb eb e9 ea ea ea eb ea ec ec ed ec ed || 00b0 ea ec ec ec ec ed ea eb ee eb eb e9 ea eb ed ed || 00c0 ec ef eb eb ed ed ed ec ea ed eb eb eb eb ed ec || 00d0 ee e9 ea e6 e4 eb ed ea ec ec eb ed ee ea ec ef || 00e0 eb ec ed eb ea ec ea ed eb e9 eb ec eb ed ed ee || 00f0 ee ef ed ec ee ec ec ef eb ed ee ec ed ee ea ea || What format is this? Or better, How can I tell ImageKit that I want TIFF data? ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dismissing The Keyboard
Do you also have the text field hooked up to File Owner's delegate? That needs to be done to dismiss KB. On May 22, 2013, at 7:34 AM, Harmony Neil harmony.n...@gmail.com wrote: Hellow, I'm using the numberpad for entering text in the textFields in my iPhone app which is fine, but for some reason I've resigned firstResponder to all the textFields so I can dismiss the keyboard when I press the calculate button, but when I press said button, the keyboard just stays on the screen. Does anyone know what is the best way of dismissing the keyboard? I preferably want to dismiss the keyboard for whichever of the 3 textFields I'm writing in. Also, I've called my textFields txt1, txt2 and txt3 to make it easier, but I had to put an _ character when I wrote the resignFirstResponder lines for the app to even build and run. Thanks for any help/suggestions, Harmony. ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/mstaloff%40verizon.net This email sent to mstal...@verizon.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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Creating More Than 1 Of The Same Element/control
On 18/05/2013, at 8:21 PM, Harmony Neil harmony.n...@gmail.com wrote:
I've been working through a couple of tutorials and managed to make a text
field and things just fine. The thing I'm wondering is how do I go about
naming the textField what I want to call it, like textField1 or for example
rather than just textField? Also, how do I make more than 1 textField? I
would just use the same code as for the first one and change the y
co-ordinate, but then I would still want to call them all something other
than textField.
I'm using the objective c language and hate using the storyboard and
interface builder. If I'm going to code something, I'll write the code by
hand. I tried posting on the objc language list, but the only person who
replied seemed to think it was too beginner level and that I was posting on
the wrong list. If no one on here can help me rather than insist on
suggesting stupid books, I don't really know where else to ask, since I'm not
getting a lot of luck on google's search results.
Stick with Interface Builder, even if you don't enjoy it right now. You'll come
to appreciate it even if it will perhaps never be love.
All you need to do is to create a separate IBOutlet in the controller for each
field, then connect that to the fields in IB. In code, you can refer to the
outlet by whatever name you called it, like any other instance variable.
@interface MyController : UIViewController
{
IBOutlet UITextField* mTextField1;
IBOutlet UITextField* mTextField2;
}
@end
in the code
[mTextField1 setStringValue:@blah blah];
[mTextField2 setStringValue:@hubba hubba];
Trying to do the set up of this kind of thing in code is possible, but never a
very good idea. It is certainly the sign of a beginner to want to do that;
you'd really be much better off using the time to get more familiar with IB. It
will truly save you a monumental amount of work and will eliminate many
irritating typical bugs.
I infer that you're working in iOS, rather than Mac, but I might have got the
class names wrong above. I'm sure you're smart enough to realise if that's the
case.
--Graham
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Re: Creating More Than 1 Of The Same Element/control
On 18 May 2013, at 03:21, Harmony Neil harmony.n...@gmail.com wrote: Hellow, I've been working through a couple of tutorials and managed to make a text field and things just fine. The thing I'm wondering is how do I go about naming the textField what I want to call it, like textField1 or for example rather than just textField? Also, how do I make more than 1 textField? I would just use the same code as for the first one and change the y co-ordinate, but then I would still want to call them all something other than textField. I'm using the objective c language and hate using the storyboard and interface builder. If I'm going to code something, I'll write the code by hand. I tried posting on the objc language list, but the only person who replied seemed to think it was too beginner level and that I was posting on the wrong list. If no one on here can help me rather than insist on suggesting stupid books, I don't really know where else to ask, since I'm not getting a lot of luck on google's search results. Thanks, Harmony. Hi Harmony, I'd really very strongly suggest that you just use Interface Builder. Your user interface is essentially data, not code. I doubt (and hope) very much that you don't write code to fill up a buffer with image data at runtime, rather than storing images in data files. The same logic applies to your UI – store your archived objects in a nib file, and use IB to edit them. Thanks Tom Davie ___ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
Re: Dismissing The Keyboard
This is what I use when using a UISearchBar in iOS.
-(void)searchBarSearchButtonClicked:(UISearchBar *)aSearchBar {
[aSearchBar resignFirstResponder];
}
By using the _ char in front of your var, it looks like you're talking directly
to the private instance. If you have a textfield called txt1, does it work if
you try this:
[self.txt1 resignFirstResponder];
??
Did you forget to synthesize your property? I actually ran into that today in
Xcode 4.6.1 but only because I had started to @synthesize some vars and I think
Xcode was trying to predict how I wanted the class vars to be scoped.
On May 22, 2013, at 7:45 PM, Marcus Staloff wrote:
Do you also have the text field hooked up to File Owner's delegate?
That needs to be done to dismiss KB.
On May 22, 2013, at 7:34 AM, Harmony Neil harmony.n...@gmail.com wrote:
Hellow,
I'm using the numberpad for entering text in the textFields in my iPhone app
which is fine, but for some reason I've resigned firstResponder to all the
textFields so I can dismiss the keyboard when I press the calculate button,
but when I press said button, the keyboard just stays on the screen.
Does anyone know what is the best way of dismissing the keyboard? I
preferably want to dismiss the keyboard for whichever of the 3 textFields
I'm writing in. Also, I've called my textFields txt1, txt2 and txt3 to make
it easier, but I had to put an _ character when I wrote the
resignFirstResponder lines for the app to even build and run.
Thanks for any help/suggestions,
Harmony.
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Crash in CFPreferencesSetAppValue
Hello. This piece of code causes CFPreferencesSetAppValue() to
crash:
- (CFDictionaryRef) createBlockSaveData {
CFDictionaryRef
parent=[super createBlockSaveData];
CFStringRef
keys[]={CFSTR(LinkBlockURL), CFSTR(LinkBlockDisplayName),
CFSTR(LinkBlockBrowser), CFSTR(BlockType), nil};
CFTypeRef
values[]={url ? (__bridge CFTypeRef)(url) : CFSTR(null),
displayName ? (__bridge CFTypeRef)(displayName) : CFSTR(null),
browser ? (__bridge CFTypeRef)(browser) : CFSTR(null),
CFSTR(LKBLockTypeURL),
nil};
CFMutableDictionaryRef
d=CFDictionaryCreateMutableCopy(nil, 0, parent);
if (url) {for (int
t=0; t
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