This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_uikitviewcontroller.m
149 lines (118 loc) · 4.95 KB
1
/*
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Simple DirectMedia Layer
Copyright (C) 1997-2011 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.
*/
21
22
#include "SDL_config.h"
23
24
#if SDL_VIDEO_DRIVER_UIKIT
25
26
27
28
29
30
31
32
33
34
35
36
37
#include "SDL_video.h"
#include "SDL_assert.h"
#include "SDL_hints.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_events_c.h"
#include "SDL_uikitwindow.h"
#import "SDL_uikitviewcontroller.h"
@implementation SDL_uikitviewcontroller
38
39
@synthesize window;
40
41
- (id)initWithSDLWindow:(SDL_Window *)_window
{
42
43
self = [self init];
if (self == nil) {
44
45
return nil;
}
46
self.window = _window;
47
48
49
return self;
}
50
51
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orient
{
52
53
54
55
56
57
58
const char *orientationsCString;
if ((orientationsCString = SDL_GetHint(SDL_HINT_ORIENTATIONS)) != NULL) {
BOOL rotate = NO;
NSString *orientationsNSString = [NSString stringWithCString:orientationsCString
encoding:NSUTF8StringEncoding];
NSArray *orientations = [orientationsNSString componentsSeparatedByCharactersInSet:
[NSCharacterSet characterSetWithCharactersInString:@" "]];
59
60
61
62
63
switch (orient) {
case UIInterfaceOrientationLandscapeLeft:
rotate = [orientations containsObject:@"LandscapeLeft"];
break;
64
65
66
67
case UIInterfaceOrientationLandscapeRight:
rotate = [orientations containsObject:@"LandscapeRight"];
break;
68
69
70
71
case UIInterfaceOrientationPortrait:
rotate = [orientations containsObject:@"Portrait"];
break;
72
73
74
75
case UIInterfaceOrientationPortraitUpsideDown:
rotate = [orientations containsObject:@"PortraitUpsideDown"];
break;
76
77
78
default: break;
}
79
80
81
return rotate;
}
82
83
84
85
if (self->window->flags & SDL_WINDOW_RESIZABLE) {
return YES; // any orientation is okay.
}
86
87
88
89
90
91
92
93
94
// If not resizable, allow device to orient to other matching sizes
// (that is, let the user turn the device upside down...same screen
// dimensions, but it lets the user place the device where it's most
// comfortable in relation to its physical buttons, headphone jack, etc).
switch (orient) {
case UIInterfaceOrientationLandscapeLeft:
case UIInterfaceOrientationLandscapeRight:
return (self->window->w >= self->window->h);
95
96
97
98
case UIInterfaceOrientationPortrait:
case UIInterfaceOrientationPortraitUpsideDown:
return (self->window->h >= self->window->w);
99
100
101
default: break;
}
102
103
104
105
return NO; // Nothing else is acceptable.
}
106
107
- (void)loadView
{
108
109
110
111
// do nothing.
}
// Send a resized event when the orientation changes.
112
113
- (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation
{
114
115
116
117
const UIInterfaceOrientation toInterfaceOrientation = [self interfaceOrientation];
SDL_WindowData *data = self->window->driverdata;
UIWindow *uiwindow = data->uiwindow;
UIScreen *uiscreen = [uiwindow screen];
118
const int noborder = (self->window->flags & (SDL_WINDOW_FULLSCREEN|SDL_WINDOW_BORDERLESS));
119
120
121
CGRect frame = noborder ? [uiscreen bounds] : [uiscreen applicationFrame];
const CGSize size = frame.size;
int w, h;
122
123
124
125
126
127
128
switch (toInterfaceOrientation) {
case UIInterfaceOrientationPortrait:
case UIInterfaceOrientationPortraitUpsideDown:
w = (size.width < size.height) ? size.width : size.height;
h = (size.width > size.height) ? size.width : size.height;
break;
129
130
131
132
133
134
case UIInterfaceOrientationLandscapeLeft:
case UIInterfaceOrientationLandscapeRight:
w = (size.width > size.height) ? size.width : size.height;
h = (size.width < size.height) ? size.width : size.height;
break;
135
136
137
138
139
default:
SDL_assert(0 && "Unexpected interface orientation!");
return;
}
140
141
[uiwindow setFrame:frame];
142
[data->view setFrame:frame];
143
144
145
146
[data->view updateFrame];
SDL_SendWindowEvent(self->window, SDL_WINDOWEVENT_RESIZED, w, h);
}
147
148
#endif /* SDL_VIDEO_DRIVER_UIKIT */
149
@end