diff options
author | chai <chaifix@163.com> | 2019-05-11 22:54:56 +0800 |
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committer | chai <chaifix@163.com> | 2019-05-11 22:54:56 +0800 |
commit | 9645be0af1b1d5cb0ad5892d5464e1b23c51b550 (patch) | |
tree | 129c716bed8e93312421c3adb2f8e7c4f811602d /source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m |
Diffstat (limited to 'source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m')
-rw-r--r-- | source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m b/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m new file mode 100644 index 0000000..a98237f --- /dev/null +++ b/source/3rd-party/SDL2/src/video/cocoa/SDL_cocoamessagebox.m @@ -0,0 +1,145 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 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: */ |