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Make sure we don't stay in the windows event loop forever if there are lots of events coming in quickly.

This commit is contained in:
Sam Lantinga 2014-02-14 11:39:58 -08:00
parent 441f7d8d63
commit 5c5770ad44
1 changed files with 13 additions and 5 deletions
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18
src/video/windows/SDL_windowsevents.c
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@ -25,6 +25,7 @@
#include "SDL_windowsvideo.h"
#include "SDL_windowsshape.h"
#include "SDL_syswm.h"
#include "SDL_timer.h"
#include "SDL_vkeys.h"
#include "../../events/SDL_events_c.h"
#include "../../events/SDL_touch_c.h"
@ -537,10 +538,10 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
/* Detect relevant keyboard shortcuts */
if (keyboardState[SDL_SCANCODE_LALT] == SDL_PRESSED || keyboardState[SDL_SCANCODE_RALT] == SDL_PRESSED ) {
/* ALT+F4: Close window */
if (code == SDL_SCANCODE_F4) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
}
/* ALT+F4: Close window */
if (code == SDL_SCANCODE_F4) {
SDL_SendWindowEvent(data->window, SDL_WINDOWEVENT_CLOSE, 0, 0);
}
}
if ( code != SDL_SCANCODE_UNKNOWN ) {
@ -860,10 +861,17 @@ WIN_PumpEvents(_THIS)
{
const Uint8 *keystate;
MSG msg;
DWORD start_ticks = GetTickCount();
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
/* Always translate the message in case it's a non-SDL window (e.g. with Qt integration) */
TranslateMessage(&msg);
DispatchMessage(&msg);
DispatchMessage( &msg );
/* Make sure we don't busy loop here forever if there are lots of events coming in */
if (SDL_TICKS_PASSED(msg.time, start_ticks)) {
break;
}
}
/* Windows loses a shift KEYUP event when you have both pressed at once and let go of one.