gtk/gdk/macos/GdkMacosGLView.c
2021-09-24 22:50:29 +02:00

126 lines
2.5 KiB
C

/* GdkMacosGLView.c
*
* Copyright 2020 Christian Hergert <chergert@redhat.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include <CoreGraphics/CoreGraphics.h>
#include <OpenGL/gl.h>
#include "gdkmacossurface-private.h"
#import "GdkMacosGLView.h"
@implementation GdkMacosGLView
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-(void)lockFocus
{
NSOpenGLContext *context;
[super lockFocus];
context = [self openGLContext];
if ([context view] != self)
[context setView: self];
}
-(void)drawRect:(NSRect)rect
{
}
-(void)clearGLContext
{
if (_openGLContext != nil)
[_openGLContext clearDrawable];
_openGLContext = nil;
}
-(void)setOpenGLContext:(NSOpenGLContext*)context
{
if (_openGLContext != context)
{
if (_openGLContext != nil)
[_openGLContext clearDrawable];
_openGLContext = context;
if (_openGLContext != nil)
{
[_openGLContext setView:self];
[self setWantsLayer:YES];
[self.layer setContentsGravity:kCAGravityBottomLeft];
[_openGLContext update];
}
}
}
-(NSOpenGLContext *)openGLContext
{
return _openGLContext;
}
-(BOOL)isOpaque
{
if ([self window])
return [[self window] isOpaque];
return YES;
}
-(BOOL)isFlipped
{
return YES;
}
-(BOOL)acceptsFirstMouse
{
return YES;
}
-(BOOL)mouseDownCanMoveWindow
{
return NO;
}
-(void)invalidateRegion:(const cairo_region_t *)region
{
if (region != NULL)
{
guint n_rects = cairo_region_num_rectangles (region);
for (guint i = 0; i < n_rects; i++)
{
cairo_rectangle_int_t rect;
NSRect nsrect;
cairo_region_get_rectangle (region, i, &rect);
nsrect = NSMakeRect (rect.x, rect.y, rect.width, rect.height);
[self setNeedsDisplayInRect:nsrect];
}
}
}
G_GNUC_END_IGNORE_DEPRECATIONS
@end