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timers support for SDL backend

This commit is contained in:
Vadim Lopatin 2015-01-29 16:29:58 +03:00
parent 31893d1503
commit c6b5028ff1
2 changed files with 46 additions and 1 deletions
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2
dlanguilib.visualdproj
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@ -66,7 +66,7 @@
<debuglevel>0</debuglevel>
<debugids>DebugFocus</debugids>
<versionlevel>0</versionlevel>
<versionids>EmbedStandardResources Unicode</versionids>
<versionids>EmbedStandardResources Unicode USE_SDL</versionids>
<dump_source>0</dump_source>
<mapverbosity>0</mapverbosity>
<createImplib>1</createImplib>

45
src/dlangui/platforms/sdl/sdlapp.d
View File

@ -54,6 +54,7 @@ version (USE_OPENGL) {
// pragma(lib, "dl");
private __gshared uint USER_EVENT_ID;
private __gshared uint TIMER_EVENT_ID;
class SDLWindow : Window {
SDLPlatform _platform;
@ -729,6 +730,44 @@ class SDLWindow : Window {
if (code == _lastRedrawEventCode)
redraw();
}
private long _nextExpectedTimerTs;
private SDL_TimerID _timerId = 0;
/// schedule timer for interval in milliseconds - call window.onTimer when finished
override protected void scheduleSystemTimer(long intervalMillis) {
if (intervalMillis < 10)
intervalMillis = 10;
long nextts = currentTimeMillis + intervalMillis;
if (_timerId && _nextExpectedTimerTs && _nextExpectedTimerTs < nextts + 10)
return; // don't reschedule timer, timer event will be received soon
if (_win) {
if (_timerId) {
SDL_RemoveTimer(_timerId);
_timerId = 0;
}
_timerId = SDL_AddTimer(cast(uint)intervalMillis, &myTimerCallbackFunc, cast(void*)windowId);
_nextExpectedTimerTs = nextts;
}
}
void handleTimer(SDL_TimerID timerId) {
SDL_RemoveTimer(_timerId);
_timerId = 0;
_nextExpectedTimerTs = 0;
onTimer();
}
}
private extern(C) uint myTimerCallbackFunc(uint interval, void *param) nothrow {
uint windowId = cast(uint)param;
SDL_Event sdlevent;
sdlevent.user.type = TIMER_EVENT_ID;
sdlevent.user.code = 0;
sdlevent.user.windowID = windowId;
SDL_PushEvent(&sdlevent);
return(interval);
}
private __gshared bool _enableOpengl;
@ -951,6 +990,11 @@ class SDLPlatform : Platform {
if (w) {
w.handlePostedEvent(cast(uint)event.user.code);
}
} else if (event.type == TIMER_EVENT_ID) {
SDLWindow w = getWindow(event.user.windowID);
if (w) {
w.handleTimer(cast(uint)event.user.code);
}
}
break;
}
@ -1178,6 +1222,7 @@ int sdlmain(string[] args) {
scope(exit)SDL_Quit();
USER_EVENT_ID = SDL_RegisterEvents(1);
TIMER_EVENT_ID = SDL_RegisterEvents(1);
int request = SDL_GetDesktopDisplayMode(0,&displayMode);