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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
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_internal.h"
#if SDL_VIDEO_DRIVER_COCOA
#include "SDL_events.h"
#include "SDL_timer.h"
#include "SDL_messagebox.h"
#include "SDL_cocoavideo.h"
@interface SDLMessageBoxPresenter : NSObject {
@public
NSInteger clicked;
NSWindow *nswindow;
}
- (id) initWithParentWindow:(SDL_Window *)window;
- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo;
@end
@implementation SDLMessageBoxPresenter
- (id) initWithParentWindow:(SDL_Window *)window
{
self = [super init];
if (self) {
clicked = -1;
/* Retain the NSWindow because we'll show the alert later on the main thread */
if (window) {
nswindow = [((SDL_WindowData *) window->driverdata)->nswindow retain];
} else {
nswindow = NULL;
}
}
return self;
}
- (void)showAlert:(NSAlert*)alert
{
if (nswindow) {
#ifdef MAC_OS_X_VERSION_10_9
if ([alert respondsToSelector:@selector(beginSheetModalForWindow:completionHandler:)]) {
[alert beginSheetModalForWindow:nswindow completionHandler:^(NSModalResponse returnCode) {
clicked = returnCode;
}];
} else
#endif
{
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
[alert beginSheetModalForWindow:nswindow modalDelegate:self didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:) contextInfo:nil];
#endif
}
while (clicked < 0) {
SDL_PumpEvents();
SDL_Delay(100);
}
[nswindow release];
} else {
clicked = [alert runModal];
}
}
- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
{
clicked = returnCode;
}
@end
/* Display a Cocoa message box */
int
Cocoa_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
{ @autoreleasepool
{
Cocoa_RegisterApp();
NSAlert* alert = [[[NSAlert alloc] init] autorelease];
if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) {
[alert setAlertStyle:NSAlertStyleCritical];
} else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) {
[alert setAlertStyle:NSAlertStyleWarning];
} else {
[alert setAlertStyle:NSAlertStyleInformational];
}
[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"];
} else {
[button setKeyEquivalent:@""];
}
}
SDLMessageBoxPresenter* presenter = [[[SDLMessageBoxPresenter alloc] initWithParentWindow:messageboxdata->window] 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: %ld", (long)clicked);
}
return returnValue;
}}
#endif /* SDL_VIDEO_DRIVER_COCOA */
/* vi: set ts=4 sw=4 expandtab: */
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