Eternal_pain
Anmeldungsdatum: 08.08.2006 Beiträge: 1783 Wohnort: BW/KA
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Verfasst am: 14.03.2014, 14:53 Titel: fb_hWin32WinProc |
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Versuche gerade aus der WinProc von FB etwas schlau zu werden, da ich gerne das Tastaturevent in meiner Proc adaptieren würde, da ich mein schlichtes Eventsystem nicht so gut finde...
Ein paar stellen sind mir etwas unklar weil sie noch in andere fb prozeduren springen und hab mich gefragt ob sich das nicht evtl noch ein wenig vereinfachen läßt..
ich denke die relevanten teile davon sind diese aus der 'gfx_win32.c'
Code: |
case WM_SYSKEYDOWN:
if (!fb_win32.is_active)
break;
{
int is_alt_enter = ((message == WM_SYSKEYDOWN) && (wParam == VK_RETURN) && (lParam & 0x20000000));
int is_maximize = ((message == WM_SIZE) && (wParam == SIZE_MAXIMIZED));
if ( is_maximize || is_alt_enter) {
if (has_focus) {
e.type = EVENT_MOUSE_EXIT;
fb_hPostEvent(&e);
}
ToggleFullScreen();
return FALSE;
}
if( message!=WM_SYSKEYDOWN )
break;
}
case WM_KEYDOWN:
case WM_KEYUP:
{
WORD wVkCode = (WORD) wParam;
WORD wVsCode = (WORD) (( lParam & 0xFF0000 ) >> 16);
int is_ext_keycode = ( lParam & 0x1000000 )!=0;
size_t repeat_count = ( lParam & 0xFFFF );
int is_repeated = (lParam & 0x40000000);
DWORD dwControlKeyState = 0;
char chAsciiChar;
int is_dead_key;
int key;
GetKeyboardState(key_state);
if( (key_state[VK_SHIFT] | key_state[VK_LSHIFT] | key_state[VK_RSHIFT]) & 0x80 )
dwControlKeyState ^= SHIFT_PRESSED;
if( (key_state[VK_LCONTROL] | key_state[VK_CONTROL]) & 0x80 )
dwControlKeyState ^= LEFT_CTRL_PRESSED;
if( key_state[VK_RCONTROL] & 0x80 )
dwControlKeyState ^= RIGHT_CTRL_PRESSED;
if( (key_state[VK_LMENU] | key_state[VK_MENU]) & 0x80 )
dwControlKeyState ^= LEFT_ALT_PRESSED;
if( key_state[VK_RMENU] & 0x80 )
dwControlKeyState ^= RIGHT_ALT_PRESSED;
if( is_ext_keycode )
dwControlKeyState |= ENHANCED_KEY;
is_dead_key = (MapVirtualKey( wVkCode, 2 ) & 0x80000000)!=0;
if( !is_dead_key ) {
WORD wKey = 0;
if( ToAscii( wVkCode, wVsCode, key_state, &wKey, 0 )==1 ) {
chAsciiChar = (char) wKey;
} else {
chAsciiChar = 0;
}
} else {
/* Never use ToAscii when a dead key is used - otherwise
* we don't get the combined character (for accents) */
chAsciiChar = 0;
}
key = fb_hConsoleTranslateKey( chAsciiChar,
wVsCode,
wVkCode,
dwControlKeyState,
FALSE );
if (message == WM_KEYDOWN) {
if (is_repeated)
e.type = EVENT_KEY_REPEAT;
else
e.type = EVENT_KEY_PRESS;
if (key > 0xFF) {
while( repeat_count-- ) {
fb_hPostKey(key);
}
}
}
else
e.type = EVENT_KEY_RELEASE;
e.scancode = fb_hVirtualToScancode(wVkCode);
e.ascii = ((key < 0) || (key > 0xFF)) ? 0 : key;
/* We don't want to enter the menu ... */
if( wVkCode==VK_F10 || wVkCode==VK_MENU || key==0x6BFF )
return FALSE;
}
break;
case WM_CHAR:
{
size_t repeat_count = ( lParam & 0xFFFF );
int key = (int) wParam;
if( key < 256 ) {
int target_cp = FB_GFX_GET_CODEPAGE();
if( target_cp!=-1 )
key = hIntlConvertChar( key, CP_ACP, target_cp );
while( repeat_count-- ) {
fb_hPostKey(key);
}
}
}
case WM_CLOSE:
fb_hPostKey(0x6BFF); /* ALT + F4 */
e.type = EVENT_WINDOW_CLOSE;
fb_hPostEvent(&e);
return FALSE; |
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