src/video/cocoa/SDL_cocoawindow.m
author Sam Lantinga <slouken@libsdl.org>
Sat, 29 Jul 2006 22:42:48 +0000
changeset 1957 c7803e4c21d3
parent 1956 ba0d62354872
child 1958 5fc6fb0fb605
permissions -rw-r--r--
Implemented Cocoa mouse wheel events
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2006 Sam Lantinga
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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 2.1 of the License, or (at your option) any later version.
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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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    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 Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include "SDL_syswm.h"
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#include "../SDL_sysvideo.h"
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#include "../../events/SDL_keyboard_c.h"
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#include "../../events/SDL_mouse_c.h"
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#include "../../events/SDL_windowevents_c.h"
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#include "SDL_cocoavideo.h"
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static __inline__ void ConvertNSRect(NSRect *r)
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{
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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;
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}
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@implementation Cocoa_WindowListener
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- (void)listen:(SDL_WindowData *)data
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{
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    NSNotificationCenter *center;
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    _data = data;
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    center = [NSNotificationCenter defaultCenter];
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    [_data->window setNextResponder:self];
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    if ([_data->window delegate] != nil) {
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        [center addObserver:self selector:@selector(windowDisExpose:) name:NSWindowDidExposeNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidResize:) name:NSWindowDidResizeNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidMiniaturize:) name:NSWindowDidMiniaturizeNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidDeminiaturize:) name:NSWindowDidDeminiaturizeNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidBecomeKey:) name:NSWindowDidBecomeKeyNotification object:_data->window];
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        [center addObserver:self selector:@selector(windowDidResignKey:) name:NSWindowDidResignKeyNotification object:_data->window];
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    } else {
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        [_data->window setDelegate:self];
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    }
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    [center addObserver:self selector:@selector(windowDidHide:) name:NSApplicationDidHideNotification object:NSApp];
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    [center addObserver:self selector:@selector(windowDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp];
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    [_data->window setAcceptsMouseMovedEvents:YES];
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}
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- (void)close
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{
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    NSNotificationCenter *center;
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    center = [NSNotificationCenter defaultCenter];
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    [_data->window setNextResponder:nil];
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    if ([_data->window delegate] != self) {
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        [center removeObserver:self name:NSWindowDidExposeNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidMoveNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidResizeNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidMiniaturizeNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidDeminiaturizeNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidBecomeKeyNotification object:_data->window];
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        [center removeObserver:self name:NSWindowDidResignKeyNotification object:_data->window];
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    } else {
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        [_data->window setDelegate:nil];
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    }
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    [center removeObserver:self name:NSApplicationDidHideNotification object:NSApp];
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    [center removeObserver:self name:NSApplicationDidUnhideNotification object:NSApp];
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}
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- (BOOL)windowShouldClose:(id)sender
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
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    return NO;
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}
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- (void)windowDidExpose:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_EXPOSED, 0, 0);
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}
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- (void)windowDidMove:(NSNotification *)aNotification
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{
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    int x, y;
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    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
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    ConvertNSRect(&rect);
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    x = (int)rect.origin.x;
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    y = (int)rect.origin.y;
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
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}
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- (void)windowDidResize:(NSNotification *)aNotification
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{
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    int w, h;
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    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
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    w = (int)rect.size.width;
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    h = (int)rect.size.height;
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESIZED, w, h);
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}
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- (void)windowDidMiniaturize:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
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}
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- (void)windowDidDeminiaturize:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESTORED, 0, 0);
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}
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- (void)windowDidBecomeKey:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_GAINED, 0, 0);
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}
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- (void)windowDidResignKey:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
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}
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- (void)windowDidHide:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
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}
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- (void)windowDidUnhide:(NSNotification *)aNotification
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{
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    SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
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}
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- (void)mouseDown:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_LEFT);
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}
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- (void)rightMouseDown:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_RIGHT);
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}
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- (void)otherMouseDown:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_PRESSED, SDL_BUTTON_MIDDLE);
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}
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- (void)mouseUp:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_LEFT);
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}
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- (void)rightMouseUp:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_RIGHT);
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}
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- (void)otherMouseUp:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseButton(index, SDL_RELEASED, SDL_BUTTON_MIDDLE);
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}
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- (void)mouseMoved:(NSEvent *)theEvent
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{
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    SDL_Window *window = SDL_GetWindowFromID(_data->windowID);
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    int index;
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    SDL_Mouse *mouse;
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    NSPoint point;
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    NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
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    index = _data->videodata->mouse;
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    mouse = SDL_GetMouse(index);
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    if (mouse->focus != _data->windowID) {
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        SDL_SetMouseFocus(index, _data->windowID);
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    }
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    point = [NSEvent mouseLocation];
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    point.x = point.x - rect.origin.x;
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    point.y = rect.size.height - (point.y - rect.origin.y);
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    SDL_SendMouseMotion(index, 0, (int)point.x, (int)point.y);
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}
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- (void)mouseDragged:(NSEvent *)theEvent
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{
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    [self mouseMoved:theEvent];
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}
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- (void)scrollWheel:(NSEvent *)theEvent
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{
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    int index;
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    index = _data->videodata->mouse;
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    SDL_SendMouseWheel(index, (int)([theEvent deltaY]+0.9f));
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}
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- (void)keyDown:(NSEvent *)theEvent
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{
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fprintf(stderr, "keyDown\n");
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}
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- (void)keyUp:(NSEvent *)theEvent
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{
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fprintf(stderr, "keyUp\n");
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}
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@end
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static int
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SetupWindowData(_THIS, SDL_Window * window, NSWindow *nswindow, SDL_bool created)
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{
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    NSAutoreleasePool *pool;
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    SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
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    SDL_WindowData *data;
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    /* Allocate the window data */
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    data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
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    if (!data) {
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        SDL_OutOfMemory();
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        return -1;
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    }
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    data->windowID = window->id;
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    data->window = nswindow;
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    data->created = created;
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    data->videodata = videodata;
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    pool = [[NSAutoreleasePool alloc] init];
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    /* Create an event listener for the window */
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    data->listener = [[Cocoa_WindowListener alloc] init];
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    [data->listener listen:data];
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    /* Fill in the SDL window with the window data */
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    {
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        NSRect rect = [nswindow contentRectForFrameRect:[nswindow frame]];
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        ConvertNSRect(&rect);
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        window->x = (int)rect.origin.x;
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        window->y = (int)rect.origin.y;
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        window->w = (int)rect.size.width;
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        window->h = (int)rect.size.height;
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    }
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    if ([nswindow isVisible]) {
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        window->flags |= SDL_WINDOW_SHOWN;
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    } else {
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        window->flags &= ~SDL_WINDOW_SHOWN;
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    }
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    {
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        unsigned int style = [nswindow styleMask];
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        if ((style & ~NSResizableWindowMask) == NSBorderlessWindowMask) {
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            window->flags |= SDL_WINDOW_BORDERLESS;
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        } else {
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            window->flags &= ~SDL_WINDOW_BORDERLESS;
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        }
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        if (style & NSResizableWindowMask) {
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            window->flags |= SDL_WINDOW_RESIZABLE;
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        } else {
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            window->flags &= ~SDL_WINDOW_RESIZABLE;
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        }
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    }
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    if ([nswindow isZoomed]) {
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        window->flags |= SDL_WINDOW_MAXIMIZED;
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    } else {
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        window->flags &= ~SDL_WINDOW_MAXIMIZED;
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    }
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    if ([nswindow isMiniaturized]) {
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        window->flags |= SDL_WINDOW_MINIMIZED;
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    } else {
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        window->flags &= ~SDL_WINDOW_MINIMIZED;
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    }
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    if ([nswindow isKeyWindow]) {
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        int index = data->videodata->keyboard;
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        window->flags |= SDL_WINDOW_INPUT_FOCUS;
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        SDL_SetKeyboardFocus(index, data->windowID);
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        if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
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            /* FIXME */
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        }
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    }
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    /* All done! */
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    [pool release];
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    window->driverdata = data;
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    return 0;
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}
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int
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Cocoa_CreateWindow(_THIS, SDL_Window * window)
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{
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    NSAutoreleasePool *pool;
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    NSWindow *nswindow;
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    NSRect rect;
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    unsigned int style;
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    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;
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    } else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
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        rect.origin.x = 0;
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    } else {
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        rect.origin.x = window->x;
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    }
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    if (window->y == SDL_WINDOWPOS_CENTERED) {
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        rect.origin.y = (CGDisplayPixelsHigh(kCGDirectMainDisplay) - window->h) / 2;
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    } else if (window->y == SDL_WINDOWPOS_UNDEFINED) {
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        rect.origin.y = 0;
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    } else {
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        rect.origin.y = window->y;
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    }
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    rect.size.width = window->w;
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    rect.size.height = window->h;
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    ConvertNSRect(&rect);
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    if (window->flags & SDL_WINDOW_BORDERLESS) {
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        style = NSBorderlessWindowMask;
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    } else {
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        style = (NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask);
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    }
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    if (window->flags & SDL_WINDOW_RESIZABLE) {
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        style |= NSResizableWindowMask;
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    }
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    nswindow = [[NSWindow alloc] initWithContentRect:rect styleMask:style backing:NSBackingStoreBuffered defer:FALSE];
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    [pool release];
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    if (SetupWindowData(_this, window, nswindow, SDL_TRUE) < 0) {
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        [nswindow release];
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        return -1;
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    }
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#ifdef SDL_VIDEO_OPENGL_CGL
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    if (window->flags & SDL_WINDOW_OPENGL) {
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        if (Cocoa_GL_SetupWindow(_this, window) < 0) {
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            Cocoa_DestroyWindow(_this, window);
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            return -1;
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        }
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   372
    }
slouken@1933
   373
#endif
slouken@1933
   374
    return 0;
slouken@1933
   375
}
slouken@1933
   376
slouken@1933
   377
int
slouken@1933
   378
Cocoa_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
slouken@1933
   379
{
slouken@1933
   380
    NSAutoreleasePool *pool;
slouken@1933
   381
    NSWindow *nswindow = (NSWindow *) data;
slouken@1933
   382
    NSString *title;
slouken@1933
   383
    int status;
slouken@1933
   384
slouken@1933
   385
    pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   386
slouken@1933
   387
    /* Query the title from the existing window */
slouken@1933
   388
    title = [nswindow title];
slouken@1933
   389
    if (title) {
slouken@1933
   390
        window->title = SDL_strdup([title UTF8String]);
slouken@1933
   391
    }
slouken@1933
   392
slouken@1933
   393
    [pool release];
slouken@1933
   394
slouken@1951
   395
    return SetupWindowData(_this, window, nswindow, SDL_FALSE);
slouken@1933
   396
}
slouken@1933
   397
slouken@1933
   398
void
slouken@1933
   399
Cocoa_SetWindowTitle(_THIS, SDL_Window * window)
slouken@1933
   400
{
slouken@1937
   401
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   402
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   403
    NSString *string;
slouken@1933
   404
slouken@1956
   405
    if(window->title) {
slouken@1956
   406
        string = [[NSString alloc] initWithUTF8String:window->title];
slouken@1956
   407
    } else {
slouken@1956
   408
        string = [[NSString alloc] init];
slouken@1956
   409
    }
slouken@1933
   410
    [nswindow setTitle:string];
slouken@1933
   411
    [string release];
slouken@1956
   412
slouken@1937
   413
    [pool release];
slouken@1933
   414
}
slouken@1933
   415
slouken@1933
   416
void
slouken@1933
   417
Cocoa_SetWindowPosition(_THIS, SDL_Window * window)
slouken@1933
   418
{
slouken@1937
   419
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   420
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   421
    NSRect rect;
slouken@1933
   422
slouken@1933
   423
    rect.origin.x = window->x;
slouken@1933
   424
    rect.origin.y = window->y;
slouken@1933
   425
    rect.size.width = window->w;
slouken@1933
   426
    rect.size.height = window->h;
slouken@1933
   427
    ConvertNSRect(&rect);
slouken@1933
   428
    rect = [nswindow frameRectForContentRect:rect];
slouken@1933
   429
    [nswindow setFrameOrigin:rect.origin];
slouken@1937
   430
    [pool release];
slouken@1933
   431
}
slouken@1933
   432
slouken@1933
   433
void
slouken@1933
   434
Cocoa_SetWindowSize(_THIS, SDL_Window * window)
slouken@1933
   435
{
slouken@1937
   436
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   437
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   438
    NSSize size;
slouken@1933
   439
slouken@1933
   440
    size.width = window->w;
slouken@1933
   441
    size.height = window->h;
slouken@1933
   442
    [nswindow setContentSize:size];
slouken@1937
   443
    [pool release];
slouken@1933
   444
}
slouken@1933
   445
slouken@1933
   446
void
slouken@1933
   447
Cocoa_ShowWindow(_THIS, SDL_Window * window)
slouken@1933
   448
{
slouken@1937
   449
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   450
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   451
slouken@1956
   452
    if (![nswindow isMiniaturized]) {
slouken@1956
   453
        [nswindow makeKeyAndOrderFront:nil];
slouken@1956
   454
    }
slouken@1937
   455
    [pool release];
slouken@1933
   456
}
slouken@1933
   457
slouken@1933
   458
void
slouken@1933
   459
Cocoa_HideWindow(_THIS, SDL_Window * window)
slouken@1933
   460
{
slouken@1956
   461
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   462
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   463
slouken@1956
   464
    [nswindow orderOut:nil];
slouken@1956
   465
    [pool release];
slouken@1933
   466
}
slouken@1933
   467
slouken@1933
   468
void
slouken@1933
   469
Cocoa_RaiseWindow(_THIS, SDL_Window * window)
slouken@1933
   470
{
slouken@1937
   471
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   472
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   473
slouken@1933
   474
    [nswindow makeKeyAndOrderFront:nil];
slouken@1937
   475
    [pool release];
slouken@1933
   476
}
slouken@1933
   477
slouken@1933
   478
void
slouken@1933
   479
Cocoa_MaximizeWindow(_THIS, SDL_Window * window)
slouken@1933
   480
{
slouken@1937
   481
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   482
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   483
slouken@1956
   484
    [nswindow zoom:nil];
slouken@1937
   485
    [pool release];
slouken@1933
   486
}
slouken@1933
   487
slouken@1933
   488
void
slouken@1933
   489
Cocoa_MinimizeWindow(_THIS, SDL_Window * window)
slouken@1933
   490
{
slouken@1937
   491
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   492
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   493
slouken@1956
   494
    [nswindow miniaturize:nil];
slouken@1937
   495
    [pool release];
slouken@1933
   496
}
slouken@1933
   497
slouken@1933
   498
void
slouken@1933
   499
Cocoa_RestoreWindow(_THIS, SDL_Window * window)
slouken@1933
   500
{
slouken@1956
   501
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   502
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   503
slouken@1956
   504
    if ([nswindow isMiniaturized]) {
slouken@1956
   505
        [nswindow deminiaturize:nil];
slouken@1956
   506
    } else if ([nswindow isZoomed]) {
slouken@1956
   507
        [nswindow zoom:nil];
slouken@1956
   508
    }
slouken@1956
   509
    [pool release];
slouken@1933
   510
}
slouken@1933
   511
slouken@1933
   512
void
slouken@1933
   513
Cocoa_SetWindowGrab(_THIS, SDL_Window * window)
slouken@1933
   514
{
slouken@1933
   515
    if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
slouken@1933
   516
        (window->flags & SDL_WINDOW_INPUT_FOCUS)) {
slouken@1933
   517
        /* FIXME: Grab mouse */
slouken@1933
   518
    } else {
slouken@1933
   519
        /* FIXME: Release mouse */
slouken@1933
   520
    }
slouken@1933
   521
}
slouken@1933
   522
slouken@1933
   523
void
slouken@1933
   524
Cocoa_DestroyWindow(_THIS, SDL_Window * window)
slouken@1933
   525
{
slouken@1937
   526
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
slouken@1933
   527
    SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
slouken@1933
   528
slouken@1933
   529
    if (data) {
slouken@1952
   530
#ifdef SDL_VIDEO_OPENGL_CGL
slouken@1933
   531
        if (window->flags & SDL_WINDOW_OPENGL) {
slouken@1933
   532
            Cocoa_GL_CleanupWindow(_this, window);
slouken@1933
   533
        }
slouken@1933
   534
#endif
slouken@1933
   535
        [data->listener close];
slouken@1933
   536
        [data->listener release];
slouken@1933
   537
        if (data->created) {
slouken@1933
   538
            [data->window close];
slouken@1933
   539
        }
slouken@1933
   540
        SDL_free(data);
slouken@1933
   541
    }
slouken@1937
   542
    [pool release];
slouken@1933
   543
}
slouken@1933
   544
slouken@1933
   545
SDL_bool
slouken@1933
   546
Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
slouken@1933
   547
{
slouken@1933
   548
    NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
slouken@1933
   549
slouken@1933
   550
    if (info->version.major <= SDL_MAJOR_VERSION) {
slouken@1933
   551
        //info->window = nswindow;
slouken@1933
   552
        return SDL_TRUE;
slouken@1933
   553
    } else {
slouken@1933
   554
        SDL_SetError("Application not compiled with SDL %d.%d\n",
slouken@1933
   555
                     SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
slouken@1933
   556
        return SDL_FALSE;
slouken@1933
   557
    }
slouken@1933
   558
}
slouken@1933
   559
slouken@1933
   560
/* vi: set ts=4 sw=4 expandtab: */