SDL_uikitevents.m (2193B)
1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2014 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 30#import <Foundation/Foundation.h> 31 32static BOOL UIKit_EventPumpEnabled = YES; 33 34void 35SDL_iPhoneSetEventPump(SDL_bool enabled) 36{ 37 UIKit_EventPumpEnabled = enabled; 38} 39 40void 41UIKit_PumpEvents(_THIS) 42{ 43 if (!UIKit_EventPumpEnabled) 44 return; 45 46 /* Let the run loop run for a short amount of time: long enough for 47 touch events to get processed (which is important to get certain 48 elements of Game Center's GKLeaderboardViewController to respond 49 to touch input), but not long enough to introduce a significant 50 delay in the rest of the app. 51 */ 52 const CFTimeInterval seconds = 0.000002; 53 54 /* Pump most event types. */ 55 SInt32 result; 56 do { 57 result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, seconds, TRUE); 58 } while (result == kCFRunLoopRunHandledSource); 59 60 /* Make sure UIScrollView objects scroll properly. */ 61 do { 62 result = CFRunLoopRunInMode((CFStringRef)UITrackingRunLoopMode, seconds, TRUE); 63 } while(result == kCFRunLoopRunHandledSource); 64} 65 66#endif /* SDL_VIDEO_DRIVER_UIKIT */ 67 68/* vi: set ts=4 sw=4 expandtab: */