Mercurial > sdl-ios-xcode
diff src/video/ataricommon/SDL_ikbdevents.c @ 1082:48436ffdf677
Avoid generating multiple key press/release messages for the same key
author | Patrice Mandin <patmandin@gmail.com> |
---|---|
date | Wed, 29 Jun 2005 20:32:46 +0000 |
parents | b8d311d90021 |
children | a55ac374271c |
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--- a/src/video/ataricommon/SDL_ikbdevents.c Wed Jun 29 16:18:46 2005 +0000 +++ b/src/video/ataricommon/SDL_ikbdevents.c Wed Jun 29 20:32:46 2005 +0000 @@ -54,11 +54,11 @@ K_INSERT }; -/* To save state of keyboard */ #define ATARIBIOS_MAXKEYS 128 -static unsigned char ikbd_previouskeyboard[ATARIBIOS_MAXKEYS]; -static Uint16 atari_prevmouseb; /* buttons */ +#define KEY_PRESSED 0xff +#define KEY_UNDEFINED 0x80 +#define KEY_RELEASED 0x00 /* The translation tables from a console scancode to a SDL keysym */ #define KT_NOCHANGE -1 @@ -69,7 +69,8 @@ KT_CAPS=2 }; -static int caps_state; +static Uint16 atari_prevmouseb; /* save state of mouse buttons */ +static int caps_state; /* caps lock state */ _KEYTAB *curtables; static unsigned char *tab_unshift, *tab_shift, *tab_caps; static SDLKey keymap[ATARIBIOS_MAXKEYS]; @@ -80,8 +81,7 @@ { int i; - memset(SDL_AtariIkbd_keyboard, 0, ATARIBIOS_MAXKEYS); - memset(ikbd_previouskeyboard, 0, ATARIBIOS_MAXKEYS); + memset(SDL_AtariIkbd_keyboard, KEY_UNDEFINED, ATARIBIOS_MAXKEYS); /* Initialize keymap */ for ( i=0; i<sizeof(keymap); i++ ) @@ -152,30 +152,36 @@ /*--- Send keyboard events ---*/ /* Update caps lock state */ - if (SDL_AtariIkbd_keyboard[SCANCODE_CAPSLOCK] && !ikbd_previouskeyboard[SCANCODE_CAPSLOCK]) + if (SDL_AtariIkbd_keyboard[SCANCODE_CAPSLOCK]==KEY_PRESSED) { caps_state ^= 1; + } /* Choose the translation table */ specialkeys=KT_UNSHIFT; - if (SDL_AtariIkbd_keyboard[SCANCODE_LEFTSHIFT] || SDL_AtariIkbd_keyboard[SCANCODE_RIGHTSHIFT]) + if ((SDL_AtariIkbd_keyboard[SCANCODE_LEFTSHIFT]==KEY_PRESSED) + || (SDL_AtariIkbd_keyboard[SCANCODE_RIGHTSHIFT]==KEY_PRESSED)) + { specialkeys = KT_SHIFT; - if (caps_state) + } + if (caps_state) { specialkeys = KT_CAPS; + } /* Now generate events */ for (i=0; i<ATARIBIOS_MAXKEYS; i++) { /* Key pressed ? */ - if (SDL_AtariIkbd_keyboard[i] && !ikbd_previouskeyboard[i]) + if (SDL_AtariIkbd_keyboard[i]==KEY_PRESSED) { SDL_PrivateKeyboard(SDL_PRESSED, TranslateKey(i, specialkeys, &keysym)); + SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; + } - /* Key unpressed ? */ - if (ikbd_previouskeyboard[i] && !SDL_AtariIkbd_keyboard[i]) + /* Key released ? */ + if (SDL_AtariIkbd_keyboard[i]==KEY_RELEASED) { SDL_PrivateKeyboard(SDL_RELEASED, TranslateKey(i, specialkeys, &keysym)); + SDL_AtariIkbd_keyboard[i]=KEY_UNDEFINED; + } } - /* Will be previous table */ - memcpy(ikbd_previouskeyboard, SDL_AtariIkbd_keyboard, ATARIBIOS_MAXKEYS); - /*--- Send mouse events ---*/ /* Mouse motion ? */ @@ -238,4 +244,3 @@ { Supexec(SDL_AtariIkbdUninstall); } -