| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2019 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. |
| */ |
| #include "../../SDL_internal.h" |
| |
| #if SDL_VIDEO_DRIVER_UIKIT |
| |
| #include "../../events/SDL_events_c.h" |
| |
| #include "SDL_uikitvideo.h" |
| #include "SDL_uikitevents.h" |
| #include "SDL_uikitopengles.h" |
| |
| #import <Foundation/Foundation.h> |
| |
| static BOOL UIKit_EventPumpEnabled = YES; |
| |
| void |
| SDL_iPhoneSetEventPump(SDL_bool enabled) |
| { |
| UIKit_EventPumpEnabled = enabled; |
| } |
| |
| void |
| UIKit_PumpEvents(_THIS) |
| { |
| if (!UIKit_EventPumpEnabled) { |
| return; |
| } |
| |
| /* Let the run loop run for a short amount of time: long enough for |
| touch events to get processed (which is important to get certain |
| elements of Game Center's GKLeaderboardViewController to respond |
| to touch input), but not long enough to introduce a significant |
| delay in the rest of the app. |
| */ |
| const CFTimeInterval seconds = 0.000002; |
| |
| /* Pump most event types. */ |
| SInt32 result; |
| do { |
| result = CFRunLoopRunInMode(kCFRunLoopDefaultMode, seconds, TRUE); |
| } while (result == kCFRunLoopRunHandledSource); |
| |
| /* Make sure UIScrollView objects scroll properly. */ |
| do { |
| result = CFRunLoopRunInMode((CFStringRef)UITrackingRunLoopMode, seconds, TRUE); |
| } while(result == kCFRunLoopRunHandledSource); |
| |
| /* See the comment in the function definition. */ |
| UIKit_GL_RestoreCurrentContext(); |
| } |
| |
| #endif /* SDL_VIDEO_DRIVER_UIKIT */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |