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