Mercurial > sdl-ios-xcode
diff src/video/maccommon/SDL_macevents.c @ 198:49bf25403f5e
*** empty log message ***
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 23 Sep 2001 22:16:02 +0000 |
parents | e92aa316c517 |
children | e8157fcb3114 |
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--- a/src/video/maccommon/SDL_macevents.c Sun Sep 23 22:10:03 2001 +0000 +++ b/src/video/maccommon/SDL_macevents.c Sun Sep 23 22:16:02 2001 +0000 @@ -449,7 +449,11 @@ void Mac_InitOSKeymap(_THIS) { + const void *KCHRPtr; + UInt32 state; + UInt32 value; int i; + int world = SDLK_WORLD_0; /* Map the MAC keysyms */ for ( i=0; i<SDL_TABLESIZE(MAC_keymap); ++i ) @@ -576,6 +580,64 @@ MAC_keymap[MK_IBOOK_UP] = SDLK_UP; MAC_keymap[MK_IBOOK_LEFT] = SDLK_LEFT; #endif /* MacOS X */ + + /* Up there we setup a static scancode->keysym map. However, it will not + * work very well on international keyboard. Hence we now query MacOS + * for its own keymap to adjust our own mapping table. However, this is + * bascially only useful for ascii char keys. This is also the reason + * why we keep the static table, too. + */ + + /* Get a pointer to the systems cached KCHR */ + KCHRPtr = (void *)GetScriptManagerVariable(smKCHRCache); + if (KCHRPtr) + { + /* Loop over all 127 possible scan codes */ + for (i = 0; i < 0x7F; i++) + { + /* We pretend a clean start to begin with (i.e. no dead keys active */ + state = 0; + + /* Now translate the key code to a key value */ + value = KeyTranslate(KCHRPtr, i, &state) & 0xff; + + /* If the state become 0, it was a dead key. We need to translate again, + passing in the new state, to get the actual key value */ + if (state != 0) + value = KeyTranslate(KCHRPtr, i, &state) & 0xff; + + /* Now we should have an ascii value, or 0. Try to figure out to which SDL symbol it maps */ + if (value >= 128) /* Some non-ASCII char, map it to SDLK_WORLD_* */ + MAC_keymap[i] = world++; + else if (value >= 32) /* non-control ASCII char */ + MAC_keymap[i] = value; + } + } + + /* The keypad codes are re-setup here, because the loop above cannot + * distinguish between a key on the keypad and a regular key. We maybe + * could get around this problem in another fashion: NSEvent's flags + * include a "NSNumericPadKeyMask" bit; we could check that and modify + * the symbol we return on the fly. However, this flag seems to exhibit + * some weird behaviour related to the num lock key + */ + MAC_keymap[MK_KP0] = SDLK_KP0; + MAC_keymap[MK_KP1] = SDLK_KP1; + MAC_keymap[MK_KP2] = SDLK_KP2; + MAC_keymap[MK_KP3] = SDLK_KP3; + MAC_keymap[MK_KP4] = SDLK_KP4; + MAC_keymap[MK_KP5] = SDLK_KP5; + MAC_keymap[MK_KP6] = SDLK_KP6; + MAC_keymap[MK_KP7] = SDLK_KP7; + MAC_keymap[MK_KP8] = SDLK_KP8; + MAC_keymap[MK_KP9] = SDLK_KP9; + MAC_keymap[MK_KP_MINUS] = SDLK_KP_MINUS; + MAC_keymap[MK_KP_PLUS] = SDLK_KP_PLUS; + MAC_keymap[MK_KP_PERIOD] = SDLK_KP_PERIOD; + MAC_keymap[MK_KP_EQUALS] = SDLK_KP_EQUALS; + MAC_keymap[MK_KP_DIVIDE] = SDLK_KP_DIVIDE; + MAC_keymap[MK_KP_MULTIPLY] = SDLK_KP_MULTIPLY; + MAC_keymap[MK_KP_ENTER] = SDLK_KP_ENTER; } static SDL_keysym *TranslateKey(int scancode, int modifiers,