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SDL_cocoawindow.m
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/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2006 Sam Lantinga
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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_syswm.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_keyboard_c.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_windowevents_c.h"
#include "SDL_cocoavideo.h"
static __inline__ void ConvertNSRect(NSRect *r)
{
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/* FIXME: Cache the display used for this window */
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r->origin.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - r->origin.y - r->size.height;
}
@implementation Cocoa_WindowListener
- (void)listen:(SDL_WindowData *)data
{
NSNotificationCenter *center;
_data = data;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:self];
if ([_data->window delegate] != nil) {
[center addObserver:self selector:@selector(windowDisExpose:) name:NSWindowDidExposeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResize:) name:NSWindowDidResizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMiniaturize:) name:NSWindowDidMiniaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidDeminiaturize:) name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidBecomeKey:) name:NSWindowDidBecomeKeyNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResignKey:) name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:self];
}
[center addObserver:self selector:@selector(windowDidHide:) name:NSApplicationDidHideNotification object:NSApp];
[center addObserver:self selector:@selector(windowDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp];
[_data->window setAcceptsMouseMovedEvents:YES];
}
- (void)close
{
NSNotificationCenter *center;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:nil];
if ([_data->window delegate] != self) {
[center removeObserver:self name:NSWindowDidExposeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMoveNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMiniaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidBecomeKeyNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:nil];
}
[center removeObserver:self name:NSApplicationDidHideNotification object:NSApp];
[center removeObserver:self name:NSApplicationDidUnhideNotification object:NSApp];
}
- (BOOL)windowShouldClose:(id)sender
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
return NO;
}
- (void)windowDidExpose:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_EXPOSED, 0, 0);
}
- (void)windowDidMove:(NSNotification *)aNotification
{
int x, y;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
ConvertNSRect(&rect);
x = (int)rect.origin.x;
y = (int)rect.origin.y;
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
}
- (void)windowDidResize:(NSNotification *)aNotification
{
int w, h;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
w = (int)rect.size.width;
h = (int)rect.size.height;
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESIZED, w, h);
}
- (void)windowDidMiniaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
- (void)windowDidDeminiaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESTORED, 0, 0);
}
- (void)windowDidBecomeKey:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_GAINED, 0, 0);
}
- (void)windowDidResignKey:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
}
- (void)windowDidHide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
}
- (void)windowDidUnhide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
}
- (void)mouseDown:(NSEvent *)theEvent
{
int index;
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int button;
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index = _data->videodata->mouse;
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switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_PRESSED, button);
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}
- (void)rightMouseDown:(NSEvent *)theEvent
{
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[self mouseDown:theEvent];
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}
- (void)otherMouseDown:(NSEvent *)theEvent
{
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[self mouseDown:theEvent];
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}
- (void)mouseUp:(NSEvent *)theEvent
{
int index;
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int button;
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index = _data->videodata->mouse;
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switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_RELEASED, button);
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}
- (void)rightMouseUp:(NSEvent *)theEvent
{
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[self mouseUp:theEvent];
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}
- (void)otherMouseUp:(NSEvent *)theEvent
{
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[self mouseUp:theEvent];
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}
- (void)mouseMoved:(NSEvent *)theEvent
{
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SDL_Window *window = SDL_GetWindowFromID(_data->windowID);
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int index;
SDL_Mouse *mouse;
NSPoint point;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
index = _data->videodata->mouse;
mouse = SDL_GetMouse(index);
if (mouse->focus != _data->windowID) {
SDL_SetMouseFocus(index, _data->windowID);
}
point = [NSEvent mouseLocation];
point.x = point.x - rect.origin.x;
point.y = rect.size.height - (point.y - rect.origin.y);
SDL_SendMouseMotion(index, 0, (int)point.x, (int)point.y);
}
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- (void)mouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
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- (void)rightMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
- (void)otherMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
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- (void)scrollWheel:(NSEvent *)theEvent
{
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int index;
index = _data->videodata->mouse;
SDL_SendMouseWheel(index, (int)([theEvent deltaY]+0.9f));
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}
- (void)keyDown:(NSEvent *)theEvent
{
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int index;
index = _data->videodata->keyboard;
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fprintf(stderr, "keyDown\n");
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const char *text = [[theEvent characters] UTF8String];
if(text && *text) {
SDL_SendKeyboardText(index, text);
}
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}
- (void)keyUp:(NSEvent *)theEvent
{
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int index;
index = _data->videodata->keyboard;
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fprintf(stderr, "keyUp\n");
}
@end
static int
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SetupWindowData(_THIS, SDL_Window * window, NSWindow *nswindow, SDL_bool created)
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{
NSAutoreleasePool *pool;
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SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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SDL_WindowData *data;
/* Allocate the window data */
data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->windowID = window->id;
data->window = nswindow;
data->created = created;
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data->videodata = videodata;
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pool = [[NSAutoreleasePool alloc] init];
/* Create an event listener for the window */
data->listener = [[Cocoa_WindowListener alloc] init];
[data->listener listen:data];
/* Fill in the SDL window with the window data */
{
NSRect rect = [nswindow contentRectForFrameRect:[nswindow frame]];
ConvertNSRect(&rect);
window->x = (int)rect.origin.x;
window->y = (int)rect.origin.y;
window->w = (int)rect.size.width;
window->h = (int)rect.size.height;
}
if ([nswindow isVisible]) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
{
unsigned int style = [nswindow styleMask];
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if ((style & ~NSResizableWindowMask) == NSBorderlessWindowMask) {
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window->flags |= SDL_WINDOW_BORDERLESS;
} else {
window->flags &= ~SDL_WINDOW_BORDERLESS;
}
if (style & NSResizableWindowMask) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
}
if ([nswindow isZoomed]) {
window->flags |= SDL_WINDOW_MAXIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MAXIMIZED;
}
if ([nswindow isMiniaturized]) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
if ([nswindow isKeyWindow]) {
int index = data->videodata->keyboard;
window->flags |= SDL_WINDOW_INPUT_FOCUS;
SDL_SetKeyboardFocus(index, data->windowID);
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
/* FIXME */
}
}
/* All done! */
[pool release];
window->driverdata = data;
return 0;
}
int
Cocoa_CreateWindow(_THIS, SDL_Window * window)
{
NSAutoreleasePool *pool;
NSWindow *nswindow;
NSRect rect;
unsigned int style;
NSString *title;
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int status;
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pool = [[NSAutoreleasePool alloc] init];
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if (window->x == SDL_WINDOWPOS_CENTERED) {
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rect.origin.x = (CGDisplayPixelsWide(kCGDirectMainDisplay) - window->w) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
rect.origin.x = 0;
} else {
rect.origin.x = window->x;
}
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if (window->y == SDL_WINDOWPOS_CENTERED) {
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rect.origin.y = (CGDisplayPixelsHigh(kCGDirectMainDisplay) - window->h) / 2;
} else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
rect.origin.y = 0;
} else {
rect.origin.y = window->y;
}
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
if (window->flags & SDL_WINDOW_BORDERLESS) {
style = NSBorderlessWindowMask;
} else {
style = (NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask);
}
if (window->flags & SDL_WINDOW_RESIZABLE) {
style |= NSResizableWindowMask;
}
nswindow = [[NSWindow alloc] initWithContentRect:rect styleMask:style backing:NSBackingStoreBuffered defer:FALSE];
[pool release];
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if (SetupWindowData(_this, window, nswindow, SDL_TRUE) < 0) {
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[nswindow release];
return -1;
}
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#ifdef SDL_VIDEO_OPENGL_CGL
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if (window->flags & SDL_WINDOW_OPENGL) {
if (Cocoa_GL_SetupWindow(_this, window) < 0) {
Cocoa_DestroyWindow(_this, window);
return -1;
}
}
#endif
return 0;
}
int
Cocoa_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
NSAutoreleasePool *pool;
NSWindow *nswindow = (NSWindow *) data;
NSString *title;
int status;
pool = [[NSAutoreleasePool alloc] init];
/* Query the title from the existing window */
title = [nswindow title];
if (title) {
window->title = SDL_strdup([title UTF8String]);
}
[pool release];
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return SetupWindowData(_this, window, nswindow, SDL_FALSE);
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}
void
Cocoa_SetWindowTitle(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSString *string;
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if(window->title) {
string = [[NSString alloc] initWithUTF8String:window->title];
} else {
string = [[NSString alloc] init];
}
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[nswindow setTitle:string];
[string release];
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[pool release];
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}
void
Cocoa_SetWindowPosition(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSRect rect;
rect.origin.x = window->x;
rect.origin.y = window->y;
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
rect = [nswindow frameRectForContentRect:rect];
[nswindow setFrameOrigin:rect.origin];
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[pool release];
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}
void
Cocoa_SetWindowSize(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSSize size;
size.width = window->w;
size.height = window->h;
[nswindow setContentSize:size];
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[pool release];
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}
void
Cocoa_ShowWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
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if (![nswindow isMiniaturized]) {
[nswindow makeKeyAndOrderFront:nil];
}
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[pool release];
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}
void
Cocoa_HideWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
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[nswindow orderOut:nil];
[pool release];
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}
void
Cocoa_RaiseWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
[nswindow makeKeyAndOrderFront:nil];
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[pool release];
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}
void
Cocoa_MaximizeWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
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[nswindow zoom:nil];
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[pool release];
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}
void
Cocoa_MinimizeWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
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[nswindow miniaturize:nil];
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[pool release];
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}
void
Cocoa_RestoreWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
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if ([nswindow isMiniaturized]) {
[nswindow deminiaturize:nil];
} else if ([nswindow isZoomed]) {
[nswindow zoom:nil];
}
[pool release];
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}
void
Cocoa_SetWindowGrab(_THIS, SDL_Window * window)
{
if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
/* FIXME: Grab mouse */
} else {
/* FIXME: Release mouse */
}
}
void
Cocoa_DestroyWindow(_THIS, SDL_Window * window)
{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
if (data) {
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#ifdef SDL_VIDEO_OPENGL_CGL
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if (window->flags & SDL_WINDOW_OPENGL) {
Cocoa_GL_CleanupWindow(_this, window);
}
#endif
[data->listener close];
[data->listener release];
if (data->created) {
[data->window close];
}
SDL_free(data);
}
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[pool release];
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}
SDL_bool
Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
{
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
if (info->version.major <= SDL_MAJOR_VERSION) {
//info->window = nswindow;
return SDL_TRUE;
} else {
SDL_SetError("Application not compiled with SDL %d.%d\n",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
}
/* vi: set ts=4 sw=4 expandtab: */