1 /*****************************************************************************
2 * misc.m: code not specific to vlc
3 *****************************************************************************
4 * Copyright (C) 2003-2013 VLC authors and VideoLAN
7 * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
8 * Felix Paul Kühne <fkuehne at videolan dot org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
26 #import "intf.h" /* VLCApplication */
27 #import "MainWindow.h"
28 #import "ControlsBar.h"
30 #import "CoreInteraction.h"
31 #import <CoreAudio/CoreAudio.h>
35 /*****************************************************************************
36 * NSSound (VLCAdditions)
38 * added code to change the system volume, needed for the apple remote code
39 * this is simplified code, which won't let you set the exact volume
40 * (that's what the audio output is for after all), but just the system volume
41 * in steps of 1/16 (matching the default AR or volume key implementation).
42 *****************************************************************************/
44 @implementation NSSound (VLCAdditions)
46 + (float)systemVolumeForChannel:(int)channel
48 AudioDeviceID i_device;
53 i_size = sizeof( i_device );
54 AudioObjectPropertyAddress deviceAddress = { kAudioHardwarePropertyDefaultOutputDevice, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
55 err = AudioObjectGetPropertyData( kAudioObjectSystemObject, &deviceAddress, 0, NULL, &i_size, &i_device );
57 msg_Warn( VLCIntf, "couldn't get main audio output device" );
61 AudioObjectPropertyAddress propertyAddress = { kAudioDevicePropertyVolumeScalar, kAudioDevicePropertyScopeOutput, channel };
62 i_size = sizeof( f_volume );
63 err = AudioObjectGetPropertyData(i_device, &propertyAddress, 0, NULL, &i_size, &f_volume);
65 msg_Warn( VLCIntf, "couldn't get volume value" );
72 + (bool)setSystemVolume:(float)f_volume forChannel:(int)i_channel
74 /* the following code will fail on S/PDIF devices. there is an easy work-around, but we'd like to match the OS behavior */
76 AudioDeviceID i_device;
81 i_size = sizeof( i_device );
82 AudioObjectPropertyAddress deviceAddress = { kAudioHardwarePropertyDefaultOutputDevice, kAudioDevicePropertyScopeOutput, kAudioObjectPropertyElementMaster };
83 err = AudioObjectGetPropertyData( kAudioObjectSystemObject, &deviceAddress, 0, NULL, &i_size, &i_device );
85 msg_Warn( VLCIntf, "couldn't get main audio output device" );
89 AudioObjectPropertyAddress propertyAddress = { kAudioDevicePropertyVolumeScalar, kAudioDevicePropertyScopeOutput, i_channel };
90 i_size = sizeof( f_volume );
91 err = AudioObjectIsPropertySettable( i_device, &propertyAddress, &b_writeable );
92 if (err != noErr || !b_writeable ) {
93 msg_Warn( VLCIntf, "we can't set the main audio devices' volume" );
96 err = AudioObjectSetPropertyData(i_device, &propertyAddress, 0, NULL, i_size, &f_volume);
101 + (void)increaseSystemVolume
103 float f_volume = [NSSound systemVolumeForChannel:1]; // we trust that mono is always available and that all channels got the same volume
104 f_volume += .0625; // 1/16 to match the OS
105 bool b_returned = YES;
107 /* since core audio doesn't provide a reasonable way to see how many channels we got, let's see how long we can do this */
108 for (NSUInteger x = 1; b_returned ; x++)
109 b_returned = [NSSound setSystemVolume: f_volume forChannel:x];
112 + (void)decreaseSystemVolume
114 float f_volume = [NSSound systemVolumeForChannel:1]; // we trust that mono is always available and that all channels got the same volume
115 f_volume -= .0625; // 1/16 to match the OS
116 bool b_returned = YES;
118 /* since core audio doesn't provide a reasonable way to see how many channels we got, let's see how long we can do this */
119 for (NSUInteger x = 1; b_returned ; x++)
120 b_returned = [NSSound setSystemVolume: f_volume forChannel:x];
125 /*****************************************************************************
126 * NSAnimation (VLCAdditions)
128 * Missing extension to NSAnimation
129 *****************************************************************************/
131 @implementation NSAnimation (VLCAdditions)
132 /* fake class attributes */
133 static NSMapTable *VLCAdditions_userInfo = NULL;
137 /* init our fake object attribute */
138 VLCAdditions_userInfo = NSCreateMapTable(NSNonRetainedObjectMapKeyCallBacks, NSObjectMapValueCallBacks, 16);
143 NSMapRemove(VLCAdditions_userInfo, self);
147 - (void)setUserInfo: (void *)userInfo
149 NSMapInsert(VLCAdditions_userInfo, self, (void*)userInfo);
154 return NSMapGet(VLCAdditions_userInfo, self);
158 /*****************************************************************************
159 * NSScreen (VLCAdditions)
161 * Missing extension to NSScreen
162 *****************************************************************************/
164 @implementation NSScreen (VLCAdditions)
166 static NSMutableArray *blackoutWindows = NULL;
170 /* init our fake object attribute */
171 blackoutWindows = [[NSMutableArray alloc] initWithCapacity:1];
174 + (NSScreen *)screenWithDisplayID: (CGDirectDisplayID)displayID
176 NSUInteger count = [[NSScreen screens] count];
178 for ( NSUInteger i = 0; i < count; i++ ) {
179 NSScreen *screen = [[NSScreen screens] objectAtIndex: i];
180 if ([screen displayID] == displayID)
188 return ([self displayID] == [[[NSScreen screens] objectAtIndex:0] displayID]);
193 NSRect screen_frame = [self frame];
194 NSRect screen_visible_frame = [self visibleFrame];
195 CGFloat f_menu_bar_thickness = [self hasMenuBar] ? [[NSStatusBar systemStatusBar] thickness] : 0.0;
197 BOOL b_found_dock = NO;
198 if (screen_visible_frame.size.width < screen_frame.size.width)
200 else if (screen_visible_frame.size.height + f_menu_bar_thickness < screen_frame.size.height)
206 - (BOOL)isScreen: (NSScreen*)screen
208 return ([self displayID] == [screen displayID]);
211 - (CGDirectDisplayID)displayID
213 return (CGDirectDisplayID)[[[self deviceDescription] objectForKey: @"NSScreenNumber"] intValue];
216 - (void)blackoutOtherScreens
218 /* Free our previous blackout window (follow blackoutWindow alloc strategy) */
219 [blackoutWindows makeObjectsPerformSelector:@selector(close)];
220 [blackoutWindows removeAllObjects];
222 NSUInteger screenCount = [[NSScreen screens] count];
223 for (NSUInteger i = 0; i < screenCount; i++) {
224 NSScreen *screen = [[NSScreen screens] objectAtIndex: i];
225 VLCWindow *blackoutWindow;
228 if ([self isScreen: screen])
231 screen_rect = [screen frame];
232 screen_rect.origin.x = screen_rect.origin.y = 0;
234 /* blackoutWindow alloc strategy
235 - The NSMutableArray blackoutWindows has the blackoutWindow references
236 - blackoutOtherDisplays is responsible for alloc/releasing its Windows
238 blackoutWindow = [[VLCWindow alloc] initWithContentRect: screen_rect styleMask: NSBorderlessWindowMask
239 backing: NSBackingStoreBuffered defer: NO screen: screen];
240 [blackoutWindow setBackgroundColor:[NSColor blackColor]];
241 [blackoutWindow setLevel: NSFloatingWindowLevel]; /* Disappear when Expose is triggered */
243 [blackoutWindow displayIfNeeded];
244 [blackoutWindow orderFront: self animate: YES];
246 [blackoutWindows addObject: blackoutWindow];
247 [blackoutWindow release];
249 [screen setFullscreenPresentationOptions];
253 + (void)unblackoutScreens
255 NSUInteger blackoutWindowCount = [blackoutWindows count];
257 for (NSUInteger i = 0; i < blackoutWindowCount; i++) {
258 VLCWindow *blackoutWindow = [blackoutWindows objectAtIndex: i];
259 [[blackoutWindow screen] setNonFullscreenPresentationOptions];
260 [blackoutWindow closeAndAnimate: YES];
264 - (void)setFullscreenPresentationOptions
266 NSApplicationPresentationOptions presentationOpts = [NSApp presentationOptions];
267 if ([self hasMenuBar])
268 presentationOpts |= NSApplicationPresentationAutoHideMenuBar;
269 if ([self hasMenuBar] || [self hasDock])
270 presentationOpts |= NSApplicationPresentationAutoHideDock;
271 [NSApp setPresentationOptions:presentationOpts];
274 - (void)setNonFullscreenPresentationOptions
276 NSApplicationPresentationOptions presentationOpts = [NSApp presentationOptions];
277 if ([self hasMenuBar])
278 presentationOpts &= (~NSApplicationPresentationAutoHideMenuBar);
279 if ([self hasMenuBar] || [self hasDock])
280 presentationOpts &= (~NSApplicationPresentationAutoHideDock);
281 [NSApp setPresentationOptions:presentationOpts];
286 /*****************************************************************************
287 * VLBrushedMetalImageView
288 *****************************************************************************/
290 @implementation VLBrushedMetalImageView
292 - (BOOL)mouseDownCanMoveWindow
299 [self unregisterDraggedTypes];
305 [self registerForDraggedTypes:[NSArray arrayWithObject: NSFilenamesPboardType]];
306 [self setImageScaling: NSScaleToFit];
307 [self setImageFrameStyle: NSImageFrameNone];
308 [self setImageAlignment: NSImageAlignCenter];
311 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
313 if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)
314 return NSDragOperationGeneric;
316 return NSDragOperationNone;
319 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
324 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
327 b_returned = [[VLCCoreInteraction sharedInstance] performDragOperation: sender];
329 [self setNeedsDisplay:YES];
333 - (void)concludeDragOperation:(id <NSDraggingInfo>)sender
335 [self setNeedsDisplay:YES];
341 /*****************************************************************************
343 *****************************************************************************/
344 @implementation MPSlider
346 void _drawKnobInRect(NSRect knobRect)
348 // Center knob in given rect
349 knobRect.origin.x += (int)((float)(knobRect.size.width - 7)/2.0);
350 knobRect.origin.y += (int)((float)(knobRect.size.height - 7)/2.0);
353 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 3, knobRect.origin.y + 6, 1, 1), NSCompositeSourceOver);
354 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 2, knobRect.origin.y + 5, 3, 1), NSCompositeSourceOver);
355 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 1, knobRect.origin.y + 4, 5, 1), NSCompositeSourceOver);
356 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 0, knobRect.origin.y + 3, 7, 1), NSCompositeSourceOver);
357 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 1, knobRect.origin.y + 2, 5, 1), NSCompositeSourceOver);
358 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 2, knobRect.origin.y + 1, 3, 1), NSCompositeSourceOver);
359 NSRectFillUsingOperation(NSMakeRect(knobRect.origin.x + 3, knobRect.origin.y + 0, 1, 1), NSCompositeSourceOver);
362 void _drawFrameInRect(NSRect frameRect)
365 NSRectFillUsingOperation(NSMakeRect(frameRect.origin.x, frameRect.origin.y, frameRect.size.width, 1), NSCompositeSourceOver);
366 NSRectFillUsingOperation(NSMakeRect(frameRect.origin.x, frameRect.origin.y + frameRect.size.height-1, frameRect.size.width, 1), NSCompositeSourceOver);
367 NSRectFillUsingOperation(NSMakeRect(frameRect.origin.x, frameRect.origin.y, 1, frameRect.size.height), NSCompositeSourceOver);
368 NSRectFillUsingOperation(NSMakeRect(frameRect.origin.x+frameRect.size.width-1, frameRect.origin.y, 1, frameRect.size.height), NSCompositeSourceOver);
371 - (void)drawRect:(NSRect)rect
373 // Draw default to make sure the slider behaves correctly
374 [[NSGraphicsContext currentContext] saveGraphicsState];
375 NSRectClip(NSZeroRect);
376 [super drawRect:rect];
377 [[NSGraphicsContext currentContext] restoreGraphicsState];
380 rect = [self bounds];
381 int diff = (int)(([[self cell] knobThickness] - 7.0)/2.0) - 1;
382 rect.origin.x += diff-1;
383 rect.origin.y += diff;
384 rect.size.width -= 2*diff-2;
385 rect.size.height -= 2*diff;
388 NSRect knobRect = [[self cell] knobRectFlipped:NO];
389 [[[NSColor blackColor] colorWithAlphaComponent:0.6] set];
390 _drawFrameInRect(rect);
391 _drawKnobInRect(knobRect);
394 [[[NSColor blackColor] colorWithAlphaComponent:0.1] set];
399 _drawFrameInRect(rect);
400 _drawKnobInRect(knobRect);
405 /*****************************************************************************
407 *****************************************************************************/
409 @implementation VLCProgressView : NSView
411 - (void)scrollWheel:(NSEvent *)o_event
413 intf_thread_t * p_intf = VLCIntf;
415 CGFloat f_deltaY = [o_event deltaY];
416 CGFloat f_deltaX = [o_event deltaX];
418 if (!OSX_SNOW_LEOPARD && [o_event isDirectionInvertedFromDevice])
419 f_deltaX = -f_deltaX; // optimisation, actually double invertion of f_deltaY here
421 f_deltaY = -f_deltaY;
423 // positive for left / down, negative otherwise
424 CGFloat f_delta = f_deltaX + f_deltaY;
435 for (NSUInteger i = 0; i < (int)(f_abs/4.+1.) && f_abs > 0.05 ; i++) {
437 [[VLCCoreInteraction sharedInstance] forwardExtraShort];
439 [[VLCCoreInteraction sharedInstance] backwardExtraShort];
443 - (BOOL)acceptsFirstResponder
450 /*****************************************************************************
452 *****************************************************************************/
454 @implementation TimeLineSlider
458 if (config_GetInt( VLCIntf, "macosx-interfacestyle" )) {
459 o_knob_img = [NSImage imageNamed:@"progression-knob_dark"];
462 o_knob_img = [NSImage imageNamed:@"progression-knob"];
465 img_rect.size = [o_knob_img size];
466 img_rect.origin.x = img_rect.origin.y = 0;
471 [o_knob_img release];
475 - (CGFloat)knobPosition
477 NSRect knobRect = [[self cell] knobRectFlipped:NO];
478 knobRect.origin.x += knobRect.size.width / 2;
479 return knobRect.origin.x;
482 - (void)drawKnobInRect:(NSRect)knobRect
484 knobRect.origin.x += (knobRect.size.width - img_rect.size.width) / 2;
485 knobRect.size.width = img_rect.size.width;
486 knobRect.size.height = img_rect.size.height;
487 [o_knob_img drawInRect:knobRect fromRect:img_rect operation:NSCompositeSourceOver fraction:1];
490 - (void)drawRect:(NSRect)rect
492 [[[[VLCMain sharedInstance] mainWindow] controlsBar] drawFancyGradientEffectForTimeSlider];
493 msleep( 10000 ); //wait for the gradient to draw completely
495 /* Draw default to make sure the slider behaves correctly */
496 [[NSGraphicsContext currentContext] saveGraphicsState];
497 NSRectClip(NSZeroRect);
498 [super drawRect:rect];
499 [[NSGraphicsContext currentContext] restoreGraphicsState];
501 NSRect knobRect = [[self cell] knobRectFlipped:NO];
503 knobRect.origin.y+=2;
504 [self drawKnobInRect: knobRect];
509 /*****************************************************************************
510 * VLCVolumeSliderCommon
511 *****************************************************************************/
513 @implementation VLCVolumeSliderCommon : NSSlider
515 - (void)scrollWheel:(NSEvent *)o_event
517 intf_thread_t * p_intf = VLCIntf;
519 CGFloat f_deltaY = [o_event deltaY];
520 CGFloat f_deltaX = [o_event deltaX];
522 if (!OSX_SNOW_LEOPARD && [o_event isDirectionInvertedFromDevice])
523 f_deltaX = -f_deltaX; // optimisation, actually double invertion of f_deltaY here
525 f_deltaY = -f_deltaY;
527 // positive for left / down, negative otherwise
528 CGFloat f_delta = f_deltaX + f_deltaY;
539 for (NSUInteger i = 0; i < (int)(f_abs/4.+1.) && f_abs > 0.05 ; i++) {
541 [[VLCCoreInteraction sharedInstance] volumeUp];
543 [[VLCCoreInteraction sharedInstance] volumeDown];
549 /*****************************************************************************
551 *****************************************************************************/
553 @implementation ITSlider
557 BOOL b_dark = config_GetInt( VLCIntf, "macosx-interfacestyle" );
559 img = [NSImage imageNamed:@"volume-slider-knob_dark"];
561 img = [NSImage imageNamed:@"volume-slider-knob"];
563 image_rect.size = [img size];
564 image_rect.origin.x = 0;
567 image_rect.origin.y = -1;
569 image_rect.origin.y = 0;
572 - (void)drawKnobInRect:(NSRect)knobRect
574 knobRect.origin.x += (knobRect.size.width - image_rect.size.width) / 2;
575 knobRect.size.width = image_rect.size.width;
576 knobRect.size.height = image_rect.size.height;
577 [img drawInRect:knobRect fromRect:image_rect operation:NSCompositeSourceOver fraction:1];
580 - (void)drawRect:(NSRect)rect
582 /* Draw default to make sure the slider behaves correctly */
583 [[NSGraphicsContext currentContext] saveGraphicsState];
584 NSRectClip(NSZeroRect);
585 [super drawRect:rect];
586 [[NSGraphicsContext currentContext] restoreGraphicsState];
588 NSRect knobRect = [[self cell] knobRectFlipped:NO];
589 knobRect.origin.y+=2;
590 [self drawKnobInRect: knobRect];
595 /*****************************************************************************
596 * VLCTimeField implementation
597 *****************************************************************************
598 * we need this to catch our click-event in the controller window
599 *****************************************************************************/
601 @implementation VLCTimeField
603 NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
604 NSDictionary *appDefaults = [NSDictionary dictionaryWithObjectsAndKeys:
605 @"NO", @"DisplayTimeAsTimeRemaining",
606 @"YES", @"DisplayFullscreenTimeAsTimeRemaining",
609 [defaults registerDefaults:appDefaults];
612 - (id)initWithFrame:(NSRect)frameRect
614 if (self = [super initWithFrame:frameRect]) {
615 textAlignment = NSCenterTextAlignment;
616 o_remaining_identifier = @"";
622 - (void)setRemainingIdentifier:(NSString *)o_string
624 o_remaining_identifier = o_string;
625 b_time_remaining = [[NSUserDefaults standardUserDefaults] boolForKey:o_remaining_identifier];
628 - (void)setAlignment:(NSTextAlignment)alignment
630 textAlignment = alignment;
631 [self setStringValue:[self stringValue]];
636 [o_string_shadow release];
640 - (void)setStringValue:(NSString *)string
642 if (!o_string_shadow) {
643 o_string_shadow = [[NSShadow alloc] init];
644 [o_string_shadow setShadowColor: [NSColor colorWithCalibratedWhite:1.0 alpha:0.5]];
645 [o_string_shadow setShadowOffset:NSMakeSize(0.0, -1.0)];
646 [o_string_shadow setShadowBlurRadius:0.0];
649 NSMutableAttributedString *o_attributed_string = [[NSMutableAttributedString alloc] initWithString:string attributes: nil];
650 NSUInteger i_stringLength = [string length];
652 [o_attributed_string addAttribute: NSShadowAttributeName value: o_string_shadow range: NSMakeRange(0, i_stringLength)];
653 [o_attributed_string setAlignment: textAlignment range: NSMakeRange(0, i_stringLength)];
654 [self setAttributedStringValue: o_attributed_string];
655 [o_attributed_string release];
658 - (void)mouseDown: (NSEvent *)ourEvent
660 if ( [ourEvent clickCount] > 1 )
661 [[[VLCMain sharedInstance] controls] goToSpecificTime: nil];
664 if (![o_remaining_identifier isEqualToString: @""]) {
665 if ([[NSUserDefaults standardUserDefaults] boolForKey:o_remaining_identifier]) {
666 [[NSUserDefaults standardUserDefaults] setObject:@"NO" forKey:o_remaining_identifier];
667 b_time_remaining = NO;
669 [[NSUserDefaults standardUserDefaults] setObject:@"YES" forKey:o_remaining_identifier];
670 b_time_remaining = YES;
673 b_time_remaining = !b_time_remaining;
674 [[NSUserDefaults standardUserDefaults] setObject:(b_time_remaining ? @"YES" : @"NO") forKey:o_remaining_identifier];
679 - (BOOL)timeRemaining
681 if (![o_remaining_identifier isEqualToString: @""])
682 return [[NSUserDefaults standardUserDefaults] boolForKey:o_remaining_identifier];
684 return b_time_remaining;
689 /*****************************************************************************
690 * VLCMainWindowSplitView implementation
691 * comment 1 + 2 taken from NSSplitView.h (10.7 SDK)
692 *****************************************************************************/
693 @implementation VLCMainWindowSplitView : NSSplitView
694 /* Return the color of the dividers that the split view is drawing between subviews. The default implementation of this method returns [NSColor clearColor] for the thick divider style. It will also return [NSColor clearColor] for the thin divider style when the split view is in a textured window. All other thin dividers are drawn with a color that looks good between two white panes. You can override this method to change the color of dividers.
696 - (NSColor *)dividerColor
698 return [NSColor colorWithCalibratedRed:.60 green:.60 blue:.60 alpha:1.];
701 /* Return the thickness of the dividers that the split view is drawing between subviews. The default implementation returns a value that depends on the divider style. You can override this method to change the size of dividers.
703 - (CGFloat)dividerThickness
709 /*****************************************************************************
710 * VLCThreePartImageView interface
711 *****************************************************************************/
712 @implementation VLCThreePartImageView
716 [o_left_img release];
717 [o_middle_img release];
718 [o_right_img release];
723 - (void)setImagesLeft:(NSImage *)left middle: (NSImage *)middle right:(NSImage *)right
726 [o_left_img release];
728 [o_middle_img release];
730 [o_right_img release];
732 o_left_img = [left retain];
733 o_middle_img = [middle retain];
734 o_right_img = [right retain];
737 - (void)drawRect:(NSRect)rect
739 NSRect bnds = [self bounds];
740 NSDrawThreePartImage( bnds, o_left_img, o_middle_img, o_right_img, NO, NSCompositeSourceOver, 1, NO );
745 @implementation VLCThreePartDropView
747 - (BOOL)mouseDownCanMoveWindow
754 [self unregisterDraggedTypes];
760 [self registerForDraggedTypes:[NSArray arrayWithObject: NSFilenamesPboardType]];
763 - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
765 if ((NSDragOperationGeneric & [sender draggingSourceOperationMask]) == NSDragOperationGeneric)
766 return NSDragOperationGeneric;
768 return NSDragOperationNone;
771 - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender
776 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
779 b_returned = [[VLCCoreInteraction sharedInstance] performDragOperation: sender];
781 [self setNeedsDisplay:YES];
785 - (void)concludeDragOperation:(id <NSDraggingInfo>)sender
787 [self setNeedsDisplay:YES];