SDL 2.0
SDL_cocoamessagebox.m
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1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2019 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) {
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{
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]];
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: */
void Cocoa_RegisterApp(void)
#define SDL_SetError
#define SDL_PumpEvents
#define SDL_Delay
SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char int SDL_PRINTF_FORMAT_STRING const char const char SDL_SCANF_FORMAT_STRING const char return SDL_ThreadFunction const char void return Uint32 return Uint32 void
@ SDL_MESSAGEBOX_ERROR
@ SDL_MESSAGEBOX_WARNING
@ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT
@ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT
GLuint id
GLbitfield flags
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
#define NULL
Definition: begin_code.h:167
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
Individual button data.
MessageBox structure containing title, text, window, etc.
const SDL_MessageBoxButtonData * buttons
The type used to identify a window.
Definition: SDL_sysvideo.h:74
SDL_Texture * button