1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20*/ 21#include "../../SDL_internal.h" 22 23#if SDL_VIDEO_DRIVER_COCOA 24 25#include "SDL_events.h" 26#include "SDL_timer.h" 27#include "SDL_messagebox.h" 28#include "SDL_cocoavideo.h" 29 30@interface SDLMessageBoxPresenter : NSObject { 31@public 32 NSInteger clicked; 33 NSWindow *nswindow; 34} 35- (id) initWithParentWindow:(SDL_Window *)window; 36- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo; 37@end 38 39@implementation SDLMessageBoxPresenter 40- (id) initWithParentWindow:(SDL_Window *)window 41{ 42 self = [super init]; 43 if (self) { 44 clicked = -1; 45 46 /* Retain the NSWindow because we'll show the alert later on the main thread */ 47 if (window) { 48 nswindow = [((SDL_WindowData *) window->driverdata)->nswindow retain]; 49 } else { 50 nswindow = NULL; 51 } 52 } 53 54 return self; 55} 56 57- (void)showAlert:(NSAlert*)alert 58{ 59 if (nswindow) { 60#ifdef MAC_OS_X_VERSION_10_9 61 if ([alert respondsToSelector:@selector(beginSheetModalForWindow:completionHandler:)]) { 62 [alert beginSheetModalForWindow:nswindow completionHandler:^(NSModalResponse returnCode) { 63 clicked = returnCode; 64 }]; 65 } else 66#endif 67 { 68#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090 69 [alert beginSheetModalForWindow:nswindow modalDelegate:self didEndSelector:@selector(alertDidEnd:returnCode:contextInfo:) contextInfo:nil]; 70#endif 71 } 72 73 while (clicked < 0) { 74 SDL_PumpEvents(); 75 SDL_Delay(100); 76 } 77 78 [nswindow release]; 79 } else { 80 clicked = [alert runModal]; 81 } 82} 83 84- (void) alertDidEnd:(NSAlert *)alert returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo 85{ 86 clicked = returnCode; 87} 88 89@end 90 91 92/* Display a Cocoa message box */ 93int 94Cocoa_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid) 95{ @autoreleasepool 96{ 97 Cocoa_RegisterApp(); 98 99 NSAlert* alert = [[[NSAlert alloc] init] autorelease]; 100 101 if (messageboxdata->flags & SDL_MESSAGEBOX_ERROR) { 102 [alert setAlertStyle:NSAlertStyleCritical]; 103 } else if (messageboxdata->flags & SDL_MESSAGEBOX_WARNING) { 104 [alert setAlertStyle:NSAlertStyleWarning]; 105 } else { 106 [alert setAlertStyle:NSAlertStyleInformational]; 107 } 108 109 [alert setMessageText:[NSString stringWithUTF8String:messageboxdata->title]]; 110 [alert setInformativeText:[NSString stringWithUTF8String:messageboxdata->message]]; 111 112 const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons; 113 int i; 114 for (i = 0; i < messageboxdata->numbuttons; ++i) { 115 NSButton *button = [alert addButtonWithTitle:[NSString stringWithUTF8String:buttons[i].text]]; 116 if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) { 117 [button setKeyEquivalent:@"\r"]; 118 } else if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) { 119 [button setKeyEquivalent:@"\033"]; 120 } else { 121 [button setKeyEquivalent:@""]; 122 } 123 } 124 125 SDLMessageBoxPresenter* presenter = [[[SDLMessageBoxPresenter alloc] initWithParentWindow:messageboxdata->window] autorelease]; 126 127 [presenter performSelectorOnMainThread:@selector(showAlert:) 128 withObject:alert 129 waitUntilDone:YES]; 130 131 int returnValue = 0; 132 NSInteger clicked = presenter->clicked; 133 if (clicked >= NSAlertFirstButtonReturn) { 134 clicked -= NSAlertFirstButtonReturn; 135 *buttonid = buttons[clicked].buttonid; 136 } else { 137 returnValue = SDL_SetError("Did not get a valid `clicked button' id: %ld", (long)clicked); 138 } 139 140 return returnValue; 141}} 142 143#endif /* SDL_VIDEO_DRIVER_COCOA */ 144 145/* vi: set ts=4 sw=4 expandtab: */ 146