mirror of https://github.com/PCSX2/pcsx2.git
67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
// This is undoubtedly completely unnecessary.
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#include "KeyboardQueue.h"
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static int numQueuedEvents = 0;
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static keyEvent queuedEvents[20];
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// What MS calls a single process Mutex. Faster, supposedly.
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// More importantly, can be abbreviated, amusingly, as cSection.
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static CRITICAL_SECTION cSection;
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static int csInitialized = 0;
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void QueueKeyEvent(int key, int event) {
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if (!csInitialized) {
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csInitialized = 1;
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InitializeCriticalSection(&cSection);
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}
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EnterCriticalSection(&cSection);
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if (numQueuedEvents >= 15) {
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// Generally shouldn't happen.
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for (int i=0; i<15; i++) {
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queuedEvents[i] = queuedEvents[i+5];
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}
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numQueuedEvents = 15;
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}
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int index = numQueuedEvents;
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// Move escape to top of queue. May do something
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// with shift/ctrl/alt and F-keys, later.
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if (event == KEYPRESS && key == VK_ESCAPE) {
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while (index) {
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queuedEvents[index-1] = queuedEvents[index];
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index--;
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}
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}
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queuedEvents[index].key = key;
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queuedEvents[index].evt = event;
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numQueuedEvents ++;
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LeaveCriticalSection(&cSection);
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}
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int GetQueuedKeyEvent(keyEvent *event) {
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int out = 0;
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if (numQueuedEvents) {
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EnterCriticalSection(&cSection);
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// Shouldn't be 0, but just in case...
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if (numQueuedEvents) {
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*event = queuedEvents[0];
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numQueuedEvents--;
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out = 1;
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for (int i=0; i<numQueuedEvents; i++) {
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queuedEvents[i] = queuedEvents[i+1];
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}
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}
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LeaveCriticalSection(&cSection);
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}
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return out;
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}
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void ClearKeyQueue() {
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if (numQueuedEvents) {
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numQueuedEvents = 0;
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}
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if (csInitialized) {
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DeleteCriticalSection(&cSection);
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csInitialized = 0;
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}
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}
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