cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

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: */