diff options
Diffstat (limited to 'macosx/tkMacOSXWindowEvent.c')
| -rw-r--r-- | macosx/tkMacOSXWindowEvent.c | 77 |
1 files changed, 49 insertions, 28 deletions
diff --git a/macosx/tkMacOSXWindowEvent.c b/macosx/tkMacOSXWindowEvent.c index 5314dc9..c49fe15 100644 --- a/macosx/tkMacOSXWindowEvent.c +++ b/macosx/tkMacOSXWindowEvent.c @@ -80,6 +80,10 @@ extern NSString *opaqueTag; NSWindow *w = [notification object]; TkWindow *winPtr = TkMacOSXGetTkWindow(w); + /*Disable drawing until window is resized removes flicker and drawing artifacts;necessary after removal of private API.*/ + NSDisableScreenUpdates(); + [ [w contentView] setHidden:YES]; + if (winPtr) { WmInfo *wmPtr = winPtr->wmInfoPtr; NSRect bounds = [w frame]; @@ -107,6 +111,8 @@ extern NSString *opaqueTag; } TkGenWMConfigureEvent((Tk_Window) winPtr, x, y, width, height, flags); } + [[w contentView] setHidden:NO]; + NSEnableScreenUpdates(); } - (void) windowExpanded: (NSNotification *) notification @@ -771,6 +777,8 @@ Tk_MacOSXIsAppInFront(void) @interface TKContentView(TKWindowEvent) - (void) drawRect: (NSRect) rect; - (void) generateExposeEvents: (HIMutableShapeRef) shape; +- (BOOL) preservesContentDuringLiveResize; +- (void) viewWillStartLiveResize; - (void) viewDidEndLiveResize; - (void) viewWillDraw; - (BOOL) isOpaque; @@ -782,15 +790,6 @@ Tk_MacOSXIsAppInFront(void) @implementation TKContentView @end -double drawTime; - -/* - * Set a minimum time for drawing to render. With removal of private NSView API's, default drawing - * is slower and less responsive. This number, which seems feasible after some experimentatation, skips - * some drawing to avoid lag. - */ - -#define MAX_DYNAMIC_TIME .000000001 /*Restrict event processing to Expose events.*/ static Tk_RestrictAction @@ -807,10 +806,12 @@ ExposeRestrictProc( - (void) drawRect: (NSRect) rect { + const NSRect *rectsBeingDrawn; NSInteger rectsBeingDrawnCount; [self getRectsBeingDrawn:&rectsBeingDrawn count:&rectsBeingDrawnCount]; + #ifdef TK_MAC_DEBUG_DRAWING TKLog(@"-[%@(%p) %s%@]", [self class], self, _cmd, NSStringFromRect(rect)); [[NSColor colorWithDeviceRed:0.0 green:1.0 blue:0.0 alpha:.1] setFill]; @@ -818,17 +819,12 @@ ExposeRestrictProc( NSCompositeSourceOver); #endif - NSDate *beginTime=[NSDate date]; - - /*Skip drawing during live resize if redraw is too slow.*/ - if([self inLiveResize] && drawTime>MAX_DYNAMIC_TIME) return; - + CGFloat height = [self bounds].size.height; HIMutableShapeRef drawShape = HIShapeCreateMutable(); while (rectsBeingDrawnCount--) { CGRect r = NSRectToCGRect(*rectsBeingDrawn++); - r.origin.y = height - (r.origin.y + r.size.height); HIShapeUnionWithRect(drawShape, &r); } @@ -841,23 +837,47 @@ ExposeRestrictProc( NSEventTrackingRunLoopMode, NSModalPanelRunLoopMode, nil]]; } + CFRelease(drawShape); - drawTime=-[beginTime timeIntervalSinceNow]; + +} + + +/*Provide more fine-grained control over resizing of content to reduce flicker after removal of private API's.*/ + +-(void) viewWillDraw +{ + + [super viewWillDraw]; +} + + +- (BOOL) preservesContentDuringLiveResize +{ + return YES; +} + +- (void)viewWillStartLiveResize +{ + NSDisableScreenUpdates(); + [super viewWillStartLiveResize]; + [self setNeedsDisplay:NO]; + [self setHidden:YES]; } -/*At conclusion of resize event, send notification and set view for redraw if earlier drawing was skipped because of lagginess.*/ + - (void)viewDidEndLiveResize { - if(drawTime>MAX_DYNAMIC_TIME) { + + NSEnableScreenUpdates(); + [self setHidden:NO]; [self setNeedsDisplay:YES]; + [super setNeedsDisplay:YES]; [super viewDidEndLiveResize]; - } + } --(void) viewWillDraw { - [self setNeedsDisplay:YES]; - } - +/*Core function of this class, generates expose events for redrawing.*/ - (void) generateExposeEvents: (HIMutableShapeRef) shape { @@ -869,6 +889,7 @@ ExposeRestrictProc( return; } + HIShapeGetBounds(shape, &updateBounds); serial = LastKnownRequestProcessed(Tk_Display(winPtr)); if (GenerateUpdates(shape, &updateBounds, winPtr) && @@ -879,7 +900,7 @@ ExposeRestrictProc( * just posted Expose events from generating new redraws. */ - while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {} + while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {} /* * For smoother drawing, process Expose events and resulting redraws @@ -891,12 +912,13 @@ ExposeRestrictProc( UINT2PTR(serial), &oldArg); while (Tcl_ServiceEvent(TCL_WINDOW_EVENTS)) {} - + Tk_RestrictEvents(oldProc, oldArg, &oldArg); + while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {} - } - + } + } /*This is no-op on 10.7 and up because Apple has removed this widget, but leaving here for backwards compatibility.*/ @@ -968,7 +990,6 @@ ExposeRestrictProc( } @end - /* * Local Variables: |