slouken@1931
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/*
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slouken@5535
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Simple DirectMedia Layer
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Copyright (C) 1997-2011 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#include "SDL_config.h"
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#include "SDL_endian.h"
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#include "SDL_cocoavideo.h"
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#include "SDL_cocoashape.h"
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#include "SDL_assert.h"
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/* Initialization/Query functions */
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static int Cocoa_VideoInit(_THIS);
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static void Cocoa_VideoQuit(_THIS);
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/* Cocoa driver bootstrap functions */
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static int
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Cocoa_Available(void)
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{
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return (1);
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}
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static void
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Cocoa_DeleteDevice(SDL_VideoDevice * device)
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{
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SDL_free(device->driverdata);
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SDL_free(device);
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}
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static SDL_VideoDevice *
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Cocoa_CreateDevice(int devindex)
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{
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SDL_VideoDevice *device;
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SDL_VideoData *data;
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Cocoa_RegisterApp();
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/* Initialize all variables that we clean on shutdown */
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device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice));
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if (device) {
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data = (struct SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData));
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} else {
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data = NULL;
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}
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if (!data) {
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SDL_OutOfMemory();
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if (device) {
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SDL_free(device);
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}
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return NULL;
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}
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device->driverdata = data;
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/* Find out what version of Mac OS X we're running */
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Gestalt(gestaltSystemVersion, &data->osversion);
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/* Set the function pointers */
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device->VideoInit = Cocoa_VideoInit;
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device->VideoQuit = Cocoa_VideoQuit;
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device->GetDisplayBounds = Cocoa_GetDisplayBounds;
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device->GetDisplayModes = Cocoa_GetDisplayModes;
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device->SetDisplayMode = Cocoa_SetDisplayMode;
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device->PumpEvents = Cocoa_PumpEvents;
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device->CreateWindow = Cocoa_CreateWindow;
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device->CreateWindowFrom = Cocoa_CreateWindowFrom;
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device->SetWindowTitle = Cocoa_SetWindowTitle;
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device->SetWindowIcon = Cocoa_SetWindowIcon;
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device->SetWindowPosition = Cocoa_SetWindowPosition;
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device->SetWindowSize = Cocoa_SetWindowSize;
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device->ShowWindow = Cocoa_ShowWindow;
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device->HideWindow = Cocoa_HideWindow;
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device->RaiseWindow = Cocoa_RaiseWindow;
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device->MaximizeWindow = Cocoa_MaximizeWindow;
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device->MinimizeWindow = Cocoa_MinimizeWindow;
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device->RestoreWindow = Cocoa_RestoreWindow;
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device->SetWindowFullscreen = Cocoa_SetWindowFullscreen;
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device->SetWindowGammaRamp = Cocoa_SetWindowGammaRamp;
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device->GetWindowGammaRamp = Cocoa_GetWindowGammaRamp;
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device->SetWindowGrab = Cocoa_SetWindowGrab;
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device->DestroyWindow = Cocoa_DestroyWindow;
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device->GetWindowWMInfo = Cocoa_GetWindowWMInfo;
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device->shape_driver.CreateShaper = Cocoa_CreateShaper;
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device->shape_driver.SetWindowShape = Cocoa_SetWindowShape;
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device->shape_driver.ResizeWindowShape = Cocoa_ResizeWindowShape;
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#if SDL_VIDEO_OPENGL_CGL
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device->GL_LoadLibrary = Cocoa_GL_LoadLibrary;
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device->GL_GetProcAddress = Cocoa_GL_GetProcAddress;
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device->GL_UnloadLibrary = Cocoa_GL_UnloadLibrary;
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device->GL_CreateContext = Cocoa_GL_CreateContext;
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device->GL_MakeCurrent = Cocoa_GL_MakeCurrent;
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device->GL_SetSwapInterval = Cocoa_GL_SetSwapInterval;
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device->GL_GetSwapInterval = Cocoa_GL_GetSwapInterval;
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device->GL_SwapWindow = Cocoa_GL_SwapWindow;
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device->GL_DeleteContext = Cocoa_GL_DeleteContext;
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#endif
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device->StartTextInput = Cocoa_StartTextInput;
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device->StopTextInput = Cocoa_StopTextInput;
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device->SetTextInputRect = Cocoa_SetTextInputRect;
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device->SetClipboardText = Cocoa_SetClipboardText;
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device->GetClipboardText = Cocoa_GetClipboardText;
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device->HasClipboardText = Cocoa_HasClipboardText;
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device->free = Cocoa_DeleteDevice;
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return device;
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}
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VideoBootStrap COCOA_bootstrap = {
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"cocoa", "SDL Cocoa video driver",
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Cocoa_Available, Cocoa_CreateDevice
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};
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int
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Cocoa_VideoInit(_THIS)
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{
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Cocoa_InitModes(_this);
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Cocoa_InitKeyboard(_this);
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Cocoa_InitMouse(_this);
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return 0;
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}
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void
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Cocoa_VideoQuit(_THIS)
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{
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Cocoa_QuitModes(_this);
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Cocoa_QuitKeyboard(_this);
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Cocoa_QuitMouse(_this);
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}
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/* This function assumes that it's called from within an autorelease pool */
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NSImage *
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Cocoa_CreateImage(SDL_Surface * surface)
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{
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SDL_Surface *converted;
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NSBitmapImageRep *imgrep;
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Uint8 *pixels;
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int i;
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NSImage *img;
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converted = SDL_ConvertSurfaceFormat(surface,
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#if SDL_BYTEORDER == SDL_BIG_ENDIAN
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SDL_PIXELFORMAT_RGBA8888,
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#else
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SDL_PIXELFORMAT_ABGR8888,
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#endif
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0);
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if (!converted) {
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return nil;
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}
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imgrep = [[[NSBitmapImageRep alloc] initWithBitmapDataPlanes: NULL
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pixelsWide: converted->w
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pixelsHigh: converted->h
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bitsPerSample: 8
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samplesPerPixel: 4
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hasAlpha: YES
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isPlanar: NO
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colorSpaceName: NSDeviceRGBColorSpace
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bytesPerRow: converted->pitch
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bitsPerPixel: converted->format->BitsPerPixel] autorelease];
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if (imgrep == nil) {
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SDL_FreeSurface(converted);
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return nil;
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}
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/* Copy the pixels */
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pixels = [imgrep bitmapData];
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SDL_memcpy(pixels, converted->pixels, converted->h * converted->pitch);
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SDL_FreeSurface(converted);
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/* Premultiply the alpha channel */
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for (i = (converted->h * converted->w); i--; ) {
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Uint8 alpha = pixels[3];
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pixels[0] = (Uint8)(((Uint16)pixels[0] * alpha) / 255);
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pixels[1] = (Uint8)(((Uint16)pixels[1] * alpha) / 255);
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pixels[2] = (Uint8)(((Uint16)pixels[2] * alpha) / 255);
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pixels += 4;
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}
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img = [[[NSImage alloc] initWithSize: NSMakeSize(surface->w, surface->h)] autorelease];
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if (img != nil) {
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[img addRepresentation: imgrep];
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}
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return img;
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}
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/*
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* Mac OS X assertion support.
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*
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* This doesn't really have aything to do with the interfaces of the SDL video
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* subsystem, but we need to stuff this into an Objective-C source code file.
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*/
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SDL_assert_state
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SDL_PromptAssertion_cocoa(const SDL_assert_data *data)
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSString *msg = [NSString stringWithFormat:
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@"Assertion failure at %s (%s:%d), triggered %u time%s:\n '%s'",
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data->function, data->filename, data->linenum,
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data->trigger_count, (data->trigger_count == 1) ? "" : "s",
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data->condition];
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NSLog(@"%s", msg);
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/*
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* !!! FIXME: this code needs to deal with fullscreen modes:
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* !!! FIXME: reset to default desktop, runModal, reset to current?
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*/
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NSAlert* alert = [[NSAlert alloc] init];
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[alert setAlertStyle:NSCriticalAlertStyle];
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[alert setMessageText:msg];
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[alert addButtonWithTitle:@"Retry"];
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[alert addButtonWithTitle:@"Break"];
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[alert addButtonWithTitle:@"Abort"];
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[alert addButtonWithTitle:@"Ignore"];
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[alert addButtonWithTitle:@"Always Ignore"];
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const NSInteger clicked = [alert runModal];
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[pool release];
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return (SDL_assert_state) (clicked - NSAlertFirstButtonReturn);
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}
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/* vim: set ts=4 sw=4 expandtab: */
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