SDL 2.0
SDL_uikitevents.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_UIKIT
24
25#include "../../events/SDL_events_c.h"
26
27#include "SDL_uikitvideo.h"
28#include "SDL_uikitevents.h"
29#include "SDL_uikitopengles.h"
30
31#import <Foundation/Foundation.h>
32
33static BOOL UIKit_EventPumpEnabled = YES;
34
35void
37{
38 UIKit_EventPumpEnabled = enabled;
39}
40
41void
43{
44 if (!UIKit_EventPumpEnabled) {
45 return;
46 }
47
48 /* Let the run loop run for a short amount of time: long enough for
49 touch events to get processed (which is important to get certain
50 elements of Game Center's GKLeaderboardViewController to respond
51 to touch input), but not long enough to introduce a significant
52 delay in the rest of the app.
53 */
54 const CFTimeInterval seconds = 0.000002;
55
56 /* Pump most event types. */
57 SInt32 result;
58 do {
59 result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, seconds, TRUE);
60 } while (result == kCFRunLoopRunHandledSource);
61
62 /* Make sure UIScrollView objects scroll properly. */
63 do {
64 result = CFRunLoopRunInMode((CFStringRef)UITrackingRunLoopMode, seconds, TRUE);
65 } while(result == kCFRunLoopRunHandledSource);
66
67 /* See the comment in the function definition. */
69}
70
71#endif /* SDL_VIDEO_DRIVER_UIKIT */
72
73/* vi: set ts=4 sw=4 expandtab: */
#define _THIS
#define SDL_iPhoneSetEventPump
GLenum GLenum GLsizei const GLuint GLboolean enabled
GLuint64EXT * result
SDL_bool
Definition: SDL_stdinc.h:162
void UIKit_PumpEvents(_THIS)
void UIKit_GL_RestoreCurrentContext(void)
#define TRUE
Definition: edid-parse.c:33