forked from AuroraMiddleware/gtk
176 lines
4.2 KiB
C
176 lines
4.2 KiB
C
/* GdkQuartzView.m
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*
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* Copyright (C) 2005-2007 Imendio AB
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#import "GdkQuartzView.h"
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#include "gdkwindow-quartz.h"
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#include "gdkprivate-quartz.h"
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@implementation GdkQuartzView
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-(void)setGdkWindow:(GdkWindow *)window
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{
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gdk_window = window;
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}
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-(GdkWindow *)gdkWindow
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{
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return gdk_window;
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}
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-(BOOL)isFlipped
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{
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return YES;
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}
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-(BOOL)isOpaque
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{
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if (GDK_WINDOW_DESTROYED (gdk_window))
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return YES;
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/* A view is opaque if its GdkWindow doesn't have the RGBA colormap */
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return gdk_drawable_get_colormap (gdk_window) != gdk_screen_get_rgba_colormap (_gdk_screen);
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}
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-(void)drawRect:(NSRect)rect
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{
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GdkRectangle gdk_rect;
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GdkWindowObject *private = GDK_WINDOW_OBJECT (gdk_window);
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GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
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const NSRect *drawn_rects;
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int count, i;
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GdkRegion *region;
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if (GDK_WINDOW_DESTROYED (gdk_window))
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return;
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if (!(private->event_mask & GDK_EXPOSURE_MASK))
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return;
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if (NSEqualRects (rect, NSZeroRect))
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return;
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[self getRectsBeingDrawn:&drawn_rects count:&count];
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/* Note: arbitrary limit here to not degrade performace too much. It would
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* be better to optimize the construction of the region below, by using
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* _gdk_region_new_from_yxbanded_rects.
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*/
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if (count > 25)
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{
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gdk_rect.x = rect.origin.x;
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gdk_rect.y = rect.origin.y;
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gdk_rect.width = rect.size.width;
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gdk_rect.height = rect.size.height;
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region = gdk_region_rectangle (&gdk_rect);
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}
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else
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{
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region = gdk_region_new ();
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for (i = 0; i < count; i++)
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{
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gdk_rect.x = drawn_rects[i].origin.x;
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gdk_rect.y = drawn_rects[i].origin.y;
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gdk_rect.width = drawn_rects[i].size.width;
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gdk_rect.height = drawn_rects[i].size.height;
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gdk_region_union_with_rect (region, &gdk_rect);
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}
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}
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impl->in_paint_rect_count++;
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_gdk_window_process_updates_recurse (gdk_window, region);
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impl->in_paint_rect_count--;
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gdk_region_destroy (region);
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if (needsInvalidateShadow)
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{
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[[self window] invalidateShadow];
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needsInvalidateShadow = NO;
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}
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}
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-(void)setNeedsInvalidateShadow:(BOOL)invalidate
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{
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needsInvalidateShadow = invalidate;
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}
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/* For information on setting up tracking rects properly, see here:
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* http://developer.apple.com/documentation/Cocoa/Conceptual/EventOverview/EventOverview.pdf
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*/
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-(void)updateTrackingRect
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{
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GdkWindowObject *private = GDK_WINDOW_OBJECT (gdk_window);
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GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
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NSRect rect;
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if (!impl->toplevel)
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return;
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if (trackingRect)
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{
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[self removeTrackingRect:trackingRect];
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trackingRect = 0;
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}
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if (!impl->toplevel)
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return;
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/* Note, if we want to set assumeInside we can use:
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* NSPointInRect ([[self window] convertScreenToBase:[NSEvent mouseLocation]], rect)
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*/
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rect = [self bounds];
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trackingRect = [self addTrackingRect:rect
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owner:self
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userData:nil
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assumeInside:NO];
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}
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-(void)viewDidMoveToWindow
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{
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if (![self window]) /* We are destroyed already */
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return;
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[self updateTrackingRect];
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}
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-(void)viewWillMoveToWindow:(NSWindow *)newWindow
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{
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if (newWindow == nil && trackingRect)
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{
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[self removeTrackingRect:trackingRect];
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trackingRect = 0;
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}
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}
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-(void)setFrame:(NSRect)frame
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{
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[super setFrame:frame];
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if ([self window])
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[self updateTrackingRect];
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}
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@end
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