thirdparty/scummvm
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Patch from wjp. Fix keyboard input.

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svn-id: r17592
This commit is contained in:
Eugene Sandulenko 2005-04-13 20:53:36 +00:00
parent 0f3ab2206a
commit 07ed5e40a5
2 changed files with 64 additions and 20 deletions
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63
gob/util.cpp
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@ -28,17 +28,44 @@
namespace Gob {
static int16 _mouseX, _mouseY, _keyPressed, _mouseButtons;
static const int kKeyBufSize = 16;
static int16 _mouseX, _mouseY, _mouseButtons;
static int16 _keyBuffer[kKeyBufSize], _keyBufferHead, _keyBufferTail;
static void addKeyToBuffer(int16 key) {
if ((_keyBufferHead + 1) % kKeyBufSize == _keyBufferTail) {
warning("key buffer overflow!");
return;
}
_keyBuffer[_keyBufferHead] = key;
_keyBufferHead = (_keyBufferHead + 1) % kKeyBufSize;
}
static bool keyBufferEmpty() {
return (_keyBufferHead == _keyBufferTail);
}
static bool getKeyFromBuffer(int16& key) {
if (_keyBufferHead == _keyBufferTail) return false;
key = _keyBuffer[_keyBufferTail];
_keyBufferTail = (_keyBufferTail + 1) % kKeyBufSize;
return true;
}
void util_initInput(void) {
_mouseX = _mouseY = _keyPressed = _mouseButtons = 0;
_mouseX = _mouseY = _mouseButtons = 0;
_keyBufferHead = _keyBufferTail = 0;
}
void util_waitKey(void) {
while (_keyPressed) {
util_processInput();
g_system->delayMillis(10);
}
// FIXME: wrong function name? This functions clears the keyboard buffer.
util_processInput();
_keyBufferHead = _keyBufferTail = 0;
}
int16 util_translateKey(int16 key) {
@ -71,26 +98,29 @@ int16 util_translateKey(int16 key) {
if (key == keys[i].from)
return keys[i].to;
if (key < 32 || key >= 128)
return 0;
return key;
}
int16 util_getKey(void) {
while (!_keyPressed) {
int16 key;
while (!getKeyFromBuffer(key)) {
util_processInput();
if (_keyPressed)
break;
g_system->delayMillis(10);
if (keyBufferEmpty())
g_system->delayMillis(10);
}
return util_translateKey(_keyPressed);
return util_translateKey(key);
}
int16 util_checkKey(void) {
int key = _keyPressed;
int16 key;
if (_keyPressed)
_keyPressed = 0;
if (!getKeyFromBuffer(key))
key = 0;
return util_translateKey(key);
}
@ -120,10 +150,9 @@ void util_processInput() {
_mouseButtons &= ~2;
break;
case OSystem::EVENT_KEYDOWN:
_keyPressed = event.kbd.keycode;
addKeyToBuffer(event.kbd.keycode);
break;
case OSystem::EVENT_KEYUP:
_keyPressed = 0;
break;
case OSystem::EVENT_QUIT:
g_system->quit();