/
SDL_uikitmessagebox.m
194 lines (151 loc) · 5.91 KB
1
2
/*
Simple DirectMedia Layer
3
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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_UIKIT
#include "SDL.h"
#include "SDL_uikitvideo.h"
27
#include "SDL_uikitwindow.h"
28
29
30
31
32
/* Display a UIKit message box */
static SDL_bool s_showingMessageBox = SDL_FALSE;
33
SDL_bool
34
UIKit_ShowingMessageBox(void)
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
{
return s_showingMessageBox;
}
static void
UIKit_WaitUntilMessageBoxClosed(const SDL_MessageBoxData *messageboxdata, int *clickedindex)
{
*clickedindex = messageboxdata->numbuttons;
@autoreleasepool {
/* Run the main event loop until the alert has finished */
/* Note that this needs to be done on the main thread */
s_showingMessageBox = SDL_TRUE;
while ((*clickedindex) == messageboxdata->numbuttons) {
[[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]];
}
s_showingMessageBox = SDL_FALSE;
}
}
static BOOL
UIKit_ShowMessageBoxAlertController(const SDL_MessageBoxData *messageboxdata, int *buttonid)
{
#ifdef __IPHONE_8_0
int i;
int __block clickedindex = messageboxdata->numbuttons;
const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
UIWindow *window = nil;
UIWindow *alertwindow = nil;
if (![UIAlertController class]) {
return NO;
}
UIAlertController *alert;
alert = [UIAlertController alertControllerWithTitle:@(messageboxdata->title)
message:@(messageboxdata->message)
preferredStyle:UIAlertControllerStyleAlert];
for (i = 0; i < messageboxdata->numbuttons; i++) {
UIAlertAction *action;
UIAlertActionStyle style = UIAlertActionStyleDefault;
if (buttons[i].flags & SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT) {
style = UIAlertActionStyleCancel;
}
action = [UIAlertAction actionWithTitle:@(buttons[i].text)
style:style
handler:^(UIAlertAction *action) {
clickedindex = i;
}];
[alert addAction:action];
}
if (messageboxdata->window) {
SDL_WindowData *data = (__bridge SDL_WindowData *) messageboxdata->window->driverdata;
window = data.uiwindow;
}
if (window == nil || window.rootViewController == nil) {
alertwindow = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
alertwindow.rootViewController = [UIViewController new];
alertwindow.windowLevel = UIWindowLevelAlert;
window = alertwindow;
[alertwindow makeKeyAndVisible];
}
[window.rootViewController presentViewController:alert animated:YES completion:nil];
UIKit_WaitUntilMessageBoxClosed(messageboxdata, &clickedindex);
if (alertwindow) {
alertwindow.hidden = YES;
}
*buttonid = messageboxdata->buttons[clickedindex].buttonid;
return YES;
#else
return NO;
#endif /* __IPHONE_8_0 */
}
/* UIAlertView is deprecated in iOS 8+ in favor of UIAlertController. */
#if __IPHONE_OS_VERSION_MIN_REQUIRED < 80000
121
122
@interface SDLAlertViewDelegate : NSObject <UIAlertViewDelegate>
123
@property (nonatomic, assign) int *clickedIndex;
124
125
126
127
128
129
130
@end
@implementation SDLAlertViewDelegate
- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex
{
131
132
133
if (_clickedIndex != NULL) {
*_clickedIndex = (int) buttonIndex;
}
134
135
136
}
@end
137
#endif /* __IPHONE_OS_VERSION_MIN_REQUIRED < 80000 */
138
139
140
static BOOL
UIKit_ShowMessageBoxAlertView(const SDL_MessageBoxData *messageboxdata, int *buttonid)
141
{
142
143
/* UIAlertView is deprecated in iOS 8+ in favor of UIAlertController. */
#if __IPHONE_OS_VERSION_MIN_REQUIRED < 80000
144
int i;
145
int clickedindex = messageboxdata->numbuttons;
146
const SDL_MessageBoxButtonData *buttons = messageboxdata->buttons;
147
148
UIAlertView *alert = [[UIAlertView alloc] init];
SDLAlertViewDelegate *delegate = [[SDLAlertViewDelegate alloc] init];
149
150
151
152
alert.delegate = delegate;
alert.title = @(messageboxdata->title);
alert.message = @(messageboxdata->message);
153
154
155
156
for (i = 0; i < messageboxdata->numbuttons; i++) {
[alert addButtonWithTitle:@(buttons[i].text)];
}
157
158
delegate.clickedIndex = &clickedindex;
159
160
[alert show];
161
162
UIKit_WaitUntilMessageBoxClosed(messageboxdata, &clickedindex);
163
164
alert.delegate = nil;
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
*buttonid = messageboxdata->buttons[clickedindex].buttonid;
return YES;
#else
return NO;
#endif /* __IPHONE_OS_VERSION_MIN_REQUIRED < 80000 */
}
int
UIKit_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid)
{
BOOL success = NO;
@autoreleasepool {
success = UIKit_ShowMessageBoxAlertController(messageboxdata, buttonid);
if (!success) {
success = UIKit_ShowMessageBoxAlertView(messageboxdata, buttonid);
}
}
184
185
186
if (!success) {
return SDL_SetError("Could not show message box.");
187
188
189
190
191
192
193
194
}
return 0;
}
#endif /* SDL_VIDEO_DRIVER_UIKIT */
/* vi: set ts=4 sw=4 expandtab: */