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SDL_cocoamessagebox.m
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/*
Simple DirectMedia Layer
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Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#if SDL_VIDEO_DRIVER_COCOA
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#if defined(__APPLE__) && defined(__POWERPC__) && !defined(__APPLE_ALTIVEC__)
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#include <altivec.h>
#undef bool
#undef vector
#undef pixel
#endif
#include "SDL_messagebox.h"
#include "SDL_cocoavideo.h"
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@interface SDLMessageBoxPresenter : NSObject {
@public
NSInteger clicked;
}
@end
@implementation SDLMessageBoxPresenter
- (id)init
{
self = [super init];
if (self) {
clicked = -1;
}
return self;
}
- (void)showAlert:(NSAlert*)alert
{
clicked = [alert runModal];
}
@end
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/* Display a Cocoa message box */
int
Cocoa_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
{
Cocoa_RegisterApp();
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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NSAlert* alert = [[[NSAlert alloc] init] autorelease];
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if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) {
[alert setAlertStyle:NSCriticalAlertStyle];
} else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) {
[alert setAlertStyle:NSWarningAlertStyle];
} else {
[alert setAlertStyle:NSInformationalAlertStyle];
}
[alert setMessageText:[NSString stringWithUTF8String:messageboxdata->title]];
[alert setInformativeText:[NSString stringWithUTF8String:messageboxdata->message]];
const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
int i;
for (i = 0; i < messageboxdata->numbuttons; ++i) {
NSButton *button = [alert addButtonWithTitle:[NSString stringWithUTF8String:buttons[i].text]];
if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) {
[button setKeyEquivalent:@"\r"];
} else if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
[button setKeyEquivalent:@"\033"];
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[button setKeyEquivalent:@""];
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SDLMessageBoxPresenter* presenter = [[[SDLMessageBoxPresenter alloc] init] autorelease];
[presenter performSelectorOnMainThread:@selector(showAlert:)
withObject:alert
waitUntilDone:YES];
int returnValue = 0;
NSInteger clicked = presenter->clicked;
if (clicked >= NSAlertFirstButtonReturn)
{
clicked -= NSAlertFirstButtonReturn;
*buttonid = buttons[clicked].buttonid;
}
else
{
returnValue = SDL_SetError("Did not get a valid `clicked button' id: %d", clicked);
}
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[pool release];
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return returnValue;
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}
#endif /* SDL_VIDEO_DRIVER_COCOA */
/* vi: set ts=4 sw=4 expandtab: */