diff options
Diffstat (limited to 'macosx/tkMacOSXKeyboard.c')
| -rw-r--r-- | macosx/tkMacOSXKeyboard.c | 812 |
1 files changed, 486 insertions, 326 deletions
diff --git a/macosx/tkMacOSXKeyboard.c b/macosx/tkMacOSXKeyboard.c index e568e9f..24ada94 100644 --- a/macosx/tkMacOSXKeyboard.c +++ b/macosx/tkMacOSXKeyboard.c @@ -1,7 +1,7 @@ /* * tkMacOSXKeyboard.c -- * - * Routines to support keyboard events on the Macintosh. + * Routines to support keyboard events on the Macintosh. * * Copyright (c) 1995-1997 Sun Microsystems, Inc. * Copyright 2001, Apple Computer, Inc. @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkMacOSXKeyboard.c,v 1.5.2.1 2003/11/21 13:05:09 cc_benny Exp $ + * RCS: @(#) $Id: tkMacOSXKeyboard.c,v 1.5.2.2 2004/02/16 00:42:34 wolfsuit Exp $ */ #include "tkInt.h" @@ -18,11 +18,31 @@ #include <Carbon/Carbon.h> #include "tkMacOSXInt.h" #include "tkMacOSXEvent.h" /* TkMacOSXKeycodeToUnicode() FIXME: That - * function should probably move here */ + * function should probably move here. */ + +/* + * A couple of simple definitions to make code a bit more self-explaining. + * + * For the assignments of Mod1==alt==command and Mod2==meta==option, see also + * tkMacOSXMouseEvent.c. + */ + +#define LATIN1_MAX 255 +#define MAC_KEYCODE_MAX 0x7F +#define MAC_KEYCODE_MASK 0x7F +#define ALT_MASK Mod1Mask +#define OPTION_MASK Mod2Mask + + +/* + * Tables enumerating the special keys defined on Mac keyboards. These are + * necessary for correct keysym mappings for all keys where the keysyms are + * not identical with their ASCII or Latin-1 code points. + */ typedef struct { - int keycode; /* Macintosh keycode */ - KeySym keysym; /* X windows Keysym */ + int keycode; /* Macintosh keycode. */ + KeySym keysym; /* X windows keysym. */ } KeyInfo; /* @@ -30,61 +50,73 @@ typedef struct { * * 0x34, XK_Return - Powerbooks use this and some keymaps define it. * + * 0x4C, XK_Return - XFree86 and Apple's X11 call this one XK_KP_Enter. + * * 0x47, XK_Clear - This key is NumLock when used on PCs, but Mac - * applications don't use it like that. + * applications don't use it like that, nor does Apple's X11. * * All other keycodes are taken from the published ADB keyboard layouts. */ static KeyInfo keyArray[] = { - {0x4C, XK_Return}, - {0x24, XK_Return}, - {0x34, XK_Return}, - {0x33, XK_BackSpace}, - {0x75, XK_Delete}, - {0x30, XK_Tab}, - {0x74, XK_Page_Up}, - {0x79, XK_Page_Down}, - {0x73, XK_Home}, - {0x77, XK_End}, - {0x7B, XK_Left}, - {0x7C, XK_Right}, - {0x7E, XK_Up}, - {0x7D, XK_Down}, - {0x72, XK_Help}, - {0x35, XK_Escape}, - {0x47, XK_Clear}, - {0, 0} + {0x24, XK_Return}, + {0x30, XK_Tab}, + {0x33, XK_BackSpace}, + {0x34, XK_Return}, + {0x35, XK_Escape}, + + {0x47, XK_Clear}, + {0x4C, XK_Return}, + + {0x72, XK_Help}, + {0x73, XK_Home}, + {0x74, XK_Page_Up}, + {0x75, XK_Delete}, + {0x77, XK_End}, + {0x79, XK_Page_Down}, + + {0x7B, XK_Left}, + {0x7C, XK_Right}, + {0x7D, XK_Down}, + {0x7E, XK_Up}, + + {0, 0} }; -static KeyInfo vituralkeyArray[] = { - {122, XK_F1}, - {120, XK_F2}, - {99, XK_F3}, - {118, XK_F4}, - {96, XK_F5}, - {97, XK_F6}, - {98, XK_F7}, - {100, XK_F8}, - {101, XK_F9}, - {109, XK_F10}, - {103, XK_F11}, - {111, XK_F12}, - {105, XK_F13}, - {107, XK_F14}, - {113, XK_F15}, - {0, 0} +static KeyInfo virtualkeyArray[] = { + {122, XK_F1}, + {120, XK_F2}, + {99, XK_F3}, + {118, XK_F4}, + {96, XK_F5}, + {97, XK_F6}, + {98, XK_F7}, + {100, XK_F8}, + {101, XK_F9}, + {109, XK_F10}, + {103, XK_F11}, + {111, XK_F12}, + {105, XK_F13}, + {107, XK_F14}, + {113, XK_F15}, + {0, 0} }; static int initialized = 0; -static Tcl_HashTable keycodeTable; /* keyArray hashed by keycode value. */ -static Tcl_HashTable vkeyTable; /* vituralkeyArray hashed by virtual - keycode value. */ +static Tcl_HashTable keycodeTable; /* keyArray hashed by keycode value. */ +static Tcl_HashTable vkeyTable; /* virtualkeyArray hashed by virtual + * keycode value. */ + +static int latin1Table[LATIN1_MAX+1]; /* Reverse mapping table for + * controls, ASCII and Latin-1. */ /* * Prototypes for static functions used in this file. */ -static void InitKeyMaps _ANSI_ARGS_((void)); + +static void InitKeyMaps (void); +static void InitLatin1Table(Display *display); +static int XKeysymToMacKeycode(Display *display, KeySym keysym); /* @@ -92,13 +124,17 @@ static void InitKeyMaps _ANSI_ARGS_((void)); * * InitKeyMaps -- * - * Creates hash tables used by some of the functions in this file. + * Creates hash tables used by some of the functions in this file. + * + * FIXME: As keycodes are defined to be in the limited range 0-127, it + * would be easier and more efficient to use directly initialized plain + * arrays and drop this function. * * Results: - * None. + * None. * * Side effects: - * Allocates memory & creates some hash tables. + * Allocates memory & creates some hash tables. * *---------------------------------------------------------------------- */ @@ -109,18 +145,18 @@ InitKeyMaps() Tcl_HashEntry *hPtr; KeyInfo *kPtr; int dummy; - + Tcl_InitHashTable(&keycodeTable, TCL_ONE_WORD_KEYS); for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { - hPtr = Tcl_CreateHashEntry(&keycodeTable, (char *) kPtr->keycode, - &dummy); - Tcl_SetHashValue(hPtr, kPtr->keysym); + hPtr = Tcl_CreateHashEntry(&keycodeTable, (char *) kPtr->keycode, + &dummy); + Tcl_SetHashValue(hPtr, kPtr->keysym); } Tcl_InitHashTable(&vkeyTable, TCL_ONE_WORD_KEYS); - for (kPtr = vituralkeyArray; kPtr->keycode != 0; kPtr++) { - hPtr = Tcl_CreateHashEntry(&vkeyTable, (char *) kPtr->keycode, - &dummy); - Tcl_SetHashValue(hPtr, kPtr->keysym); + for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { + hPtr = Tcl_CreateHashEntry(&vkeyTable, (char *) kPtr->keycode, + &dummy); + Tcl_SetHashValue(hPtr, kPtr->keysym); } initialized = 1; } @@ -128,16 +164,92 @@ InitKeyMaps() /* *---------------------------------------------------------------------- * + * InitLatin1Table -- + * + * Creates a simple table to be used for mapping from keysyms to + * keycodes. Always needs to be called before using latin1Table, + * because the keyboard layout may have changed, and than the table must + * be re-computed. + * + * Results: + * None. + * + * Side effects: + * Sets the global latin1Table. + * + *---------------------------------------------------------------------- + */ + +static void +InitLatin1Table( + Display *display) +{ + static Boolean latin1_initialized = false; + static SInt16 lastKeyLayoutID = -1; + + SInt16 keyScript; + SInt16 keyLayoutID; + + keyScript = GetScriptManagerVariable(smKeyScript); + keyLayoutID = GetScriptVariable(keyScript,smScriptKeys); + + if (!latin1_initialized || (lastKeyLayoutID != keyLayoutID)) { + int keycode; + KeySym keysym; + int state; + int modifiers; + + latin1_initialized = true; + lastKeyLayoutID = keyLayoutID; + + memset(latin1Table, 0, sizeof(latin1Table)); + + /* + * In the common X11 implementations, a keymap has four columns + * "plain", "Shift", "Mode_switch" and "Mode_switch + Shift". We + * don't use "Mode_switch", but we use "Option" instead. (This is + * similar to Apple's X11 implementation, where "Mode_switch" is used + * as an alias for "Option".) + * + * So here we go through all 4 columns of the keymap and find all + * Latin-1 compatible keycodes. We go through the columns + * back-to-front from the more exotic columns to the more simple, so + * that simple keycode-modifier combinations are preferred in the + * resulting table. + */ + + for (state = 3; state >= 0; state--) { + modifiers = 0; + if (state & 1) { + modifiers |= shiftKey; + } + if (state & 2) { + modifiers |= optionKey; + } + + for (keycode = 0; keycode <= MAC_KEYCODE_MAX; keycode++) { + keysym = XKeycodeToKeysym(display,keycode<<16,state); + if (keysym <= LATIN1_MAX) { + latin1Table[keysym] = keycode | modifiers; + } + } + } + } +} + +/* + *---------------------------------------------------------------------- + * * XKeycodeToKeysym -- * - * Translate from a system-dependent keycode to a - * system-independent keysym. + * Translate from a system-dependent keycode to a system-independent + * keysym. * * Results: - * Returns the translated keysym, or NoSymbol on failure. + * Returns the translated keysym, or NoSymbol on failure. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ @@ -146,68 +258,61 @@ KeySym XKeycodeToKeysym( Display* display, KeyCode keycode, - int index) + int index) { register Tcl_HashEntry *hPtr; - int c; - int virtualKey; int newKeycode; UniChar newChar; + (void) display; /*unused*/ + if (!initialized) { - InitKeyMaps(); - } - if (keycode == 0) { - /* - * This means we had a pure modifier keypress or - * something similar which is a TO DO. - */ - return NoSymbol; - } - - virtualKey = keycode >> 16; - c = (keycode) & 0xffff; - if (c > 255) { - return NoSymbol; + InitKeyMaps(); } /* - * When determining what keysym to produce we first check to see if - * the key is a function key. We then check to see if the character - * is another non-printing key. Finally, we return the key syms - * for all ASCII chars. + * When determining what keysym to produce we first check to see if the + * key is a function key. We then check to see if the character is + * another non-printing key. Finally, we return the key syms for all + * ASCII and Latin-1 chars. */ - if (c == 0x10) { - hPtr = Tcl_FindHashEntry(&vkeyTable, (char *) virtualKey); - if (hPtr != NULL) { + + newKeycode = keycode >> 16; + + if ((keycode & 0xFFFF) == 0x10) { + hPtr = Tcl_FindHashEntry(&vkeyTable, (char *) newKeycode); + if (hPtr != NULL) { return (KeySym) Tcl_GetHashValue(hPtr); - } + } } - hPtr = Tcl_FindHashEntry(&keycodeTable, (char *) virtualKey); + hPtr = Tcl_FindHashEntry(&keycodeTable, (char *) newKeycode); if (hPtr != NULL) { - return (KeySym) Tcl_GetHashValue(hPtr); + return (KeySym) Tcl_GetHashValue(hPtr); } /* - * Recompute the character based on the Shift key only. - * TODO: The index may also specify the NUM_LOCK. + * Add in the Mac modifier flags for shift and option. */ - newKeycode = virtualKey; - if (index & 0x01) { - newKeycode += 0x0200; + + if (index & 1) { + newKeycode |= shiftKey; + } + if (index & 2) { + newKeycode |= optionKey; } newChar = 0; TkMacOSXKeycodeToUnicode( - &newChar, 1, kEventRawKeyDown, - newKeycode & 0x00FF, newKeycode & 0xFF00, NULL); + &newChar, 1, kEventRawKeyDown, + newKeycode & 0x00FF, newKeycode & 0xFF00, NULL); /* * X11 keysyms are identical to Unicode for ASCII and Latin-1. Give up * for other characters for now. */ - if (newChar >= XK_space && newChar <= 0x255) { - return newChar; + + if ((newChar >= XK_space) && (newChar <= LATIN1_MAX)) { + return newChar; } return NoSymbol; @@ -218,24 +323,24 @@ XKeycodeToKeysym( * * TkpGetString -- * - * Retrieve the string equivalent for the given keyboard event. + * Retrieve the string equivalent for the given keyboard event. * * Results: - * Returns the UTF string. + * Returns the UTF string. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ char * TkpGetString( - TkWindow *winPtr, /* Window where event occurred: needed to - * get input context. */ - XEvent *eventPtr, /* X keyboard event. */ - Tcl_DString *dsPtr) /* Uninitialized or empty string to hold - * result. */ + TkWindow *winPtr, /* Window where event occurred: Needed to get + * input context. */ + XEvent *eventPtr, /* X keyboard event. */ + Tcl_DString *dsPtr) /* Uninitialized or empty string to hold + * result. */ { (void) winPtr; /*unused*/ Tcl_DStringInit(dsPtr); @@ -247,13 +352,13 @@ TkpGetString( * * XGetModifierMapping -- * - * Fetch the current keycodes used as modifiers. + * Fetch the current keycodes used as modifiers. * * Results: - * Returns a new modifier map. + * Returns a new modifier map. * * Side effects: - * Allocates a new modifier map data structure. + * Allocates a new modifier map data structure. * *---------------------------------------------------------------------- */ @@ -264,6 +369,13 @@ XGetModifierMapping( { XModifierKeymap * modmap; + (void) display; /*unused*/ + + /* + * MacOSX doesn't use the key codes for the modifiers for anything, and + * we don't generate them either. So there is no modifier map. + */ + modmap = (XModifierKeymap *) ckalloc(sizeof(XModifierKeymap)); modmap->max_keypermod = 0; modmap->modifiermap = NULL; @@ -275,14 +387,13 @@ XGetModifierMapping( * * XFreeModifiermap -- * - * Deallocate a modifier map that was created by - * XGetModifierMapping. + * Deallocate a modifier map that was created by XGetModifierMapping. * * Results: - * None. + * None. * * Side effects: - * Frees the datastructure referenced by modmap. + * Frees the datastructure referenced by modmap. * *---------------------------------------------------------------------- */ @@ -292,7 +403,7 @@ XFreeModifiermap( XModifierKeymap *modmap) { if (modmap->modifiermap != NULL) { - ckfree((char *) modmap->modifiermap); + ckfree((char *) modmap->modifiermap); } ckfree((char *) modmap); } @@ -302,16 +413,16 @@ XFreeModifiermap( * * XKeysymToString, XStringToKeysym -- * - * These X window functions map Keysyms to strings & strings to - * keysyms. However, Tk already does this for the most common keysyms. - * Therefor, these functions only need to support keysyms that will be - * specific to the Macintosh. Currently, there are none. + * These X window functions map keysyms to strings & strings to keysyms. + * However, Tk already does this for the most common keysyms. + * Therefore, these functions only need to support keysyms that will be + * specific to the Macintosh. Currently, there are none. * * Results: - * None. + * None. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ @@ -325,7 +436,7 @@ XKeysymToString( KeySym XStringToKeysym( - const char* string) + const char* string) { return NoSymbol; } @@ -333,19 +444,83 @@ XStringToKeysym( /* *---------------------------------------------------------------------- * + * XKeysymToMacKeycode -- + * + * An internal function like XKeysymToKeycode but only generating the + * Mac specific keycode plus the modifiers Shift and Option. + * + * Results: + * A Mac keycode with the actual keycode in the low byte and Mac-style + * modifier bits in the high byte. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static int +XKeysymToMacKeycode( + Display *display, + KeySym keysym) +{ + if (keysym <= LATIN1_MAX) { + + /* + * Handle keysyms in the Latin-1 range where keysym and Unicode + * character code point are the same. + */ + + InitLatin1Table(display); + return latin1Table[keysym]; + + } else { + + /* + * Handle special keys from our exception tables. Don't mind if this + * is slow, neither the test suite nor [event generate] need to be + * optimized (we hope). + */ + + KeyInfo *kPtr; + + for (kPtr = keyArray; kPtr->keycode != 0; kPtr++) { + if (kPtr->keysym == keysym) { + return kPtr->keycode; + } + } + for (kPtr = virtualkeyArray; kPtr->keycode != 0; kPtr++) { + if (kPtr->keysym == keysym) { + return kPtr->keycode; + } + } + + /* + * For other keysyms (not Latin-1 and not special keys), we'd need a + * generic keysym-to-unicode table. We don't have that, so we give + * up here. + */ + + return 0; + } +} + +/* + *---------------------------------------------------------------------- + * * XKeysymToKeycode -- * - * The function XKeysymToKeycode is only used by tkTest.c and - * currently only implementes the support for keys used in the - * Tk test suite. - * FIXME - This is no longer true. This function is now used in - * "event generate" so we really should make it work. + * The function XKeysymToKeycode takes an X11 keysym and converts it + * into a Mac keycode. It is in the stubs table for compatibility but + * not used anywhere in the core. * * Results: - * None. + * A 32 bit keycode with the the mac keycode (without modifiers) in the + * higher 16 bits of the keycode and the ASCII or Latin-1 code in the + * lower 8 bits of the keycode. * * Side effects: - * None. + * None. * *---------------------------------------------------------------------- */ @@ -355,9 +530,28 @@ XKeysymToKeycode( Display* display, KeySym keysym) { - KeyCode keycode = 0; - char virtualKeyCode = 0; + int macKeycode = XKeysymToMacKeycode(display, keysym); + KeyCode result; + /* + * See also TkpSetKeycodeAndState. The 0x0010 magic is used in + * XKeycodeToKeysym. For special keys like XK_Return the lower 8 bits of + * the keysym are usually a related ASCII control code. + */ + + if ((keysym >= XK_F1) && (keysym <= XK_F35)) { + result = 0x0010; + } else { + result = 0x00FF & keysym; + } + result |= (macKeycode & MAC_KEYCODE_MASK) << 16; + + return result; +} + +/* +NB: Keep this commented code for a moment for reference. + if ((keysym >= XK_space) && (XK_asciitilde)) { if (keysym == 'a') { virtualKeyCode = 0x00; @@ -375,54 +569,72 @@ XKeysymToKeycode( virtualKeyCode = 0x24; keysym = '\r'; } - keycode = keysym + (virtualKeyCode <<16); + keycode = keysym + (virtualKeyCode <<16); } return keycode; -} +*/ /* - * When mapping from a keysym to a keycode, need - * information about the modifier state that should be used - * so that when they call XKeycodeToKeysym taking into - * account the xkey.state, they will get back the original - * keysym. + *---------------------------------------------------------------------- + * + * TkpSetKeycodeAndState -- + * + * The function TkpSetKeycodeAndState takes a keysym and fills in the + * appropriate members of an XEvent. It is similar to XKeysymToKeycode, + * but it also sets the modifier mask in the XEvent. It is used by + * [event generate] and it is in the stubs table. + * + * Results: + * Fills an XEvent, sets the member xkey.keycode with a keycode + * formatted the same as XKeysymToKeycode and the member xkey.state with + * the modifiers implied by the keysym. Also fills in xkey.trans_chars, + * so that the actual characters can be retrieved later. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- */ void -TkpSetKeycodeAndState(tkwin, keySym, eventPtr) - Tk_Window tkwin; - KeySym keySym; - XEvent *eventPtr; +TkpSetKeycodeAndState( + Tk_Window tkwin, + KeySym keysym, + XEvent *eventPtr) { - Display *display; - int state; - KeyCode keycode; - - display = Tk_Display(tkwin); - - if (keySym == NoSymbol) { - keycode = 0; + if (keysym == NoSymbol) { + eventPtr->xkey.keycode = 0; } else { - keycode = XKeysymToKeycode(display, keySym); - } - if (keycode != 0) { - for (state = 0; state < 4; state++) { - if (XKeycodeToKeysym(display, keycode, state) == keySym) { - if (state & 1) { - eventPtr->xkey.state |= ShiftMask; - } - if (state & 2) { - TkDisplay *dispPtr; - - dispPtr = ((TkWindow *) tkwin)->dispPtr; - eventPtr->xkey.state |= dispPtr->modeModMask; - } - break; - } - } + Display *display = Tk_Display(tkwin); + int macKeycode = XKeysymToMacKeycode(display, keysym); + + /* + * See also XKeysymToKeycode. + */ + + if ((keysym >= XK_F1) && (keysym <= XK_F35)) { + eventPtr->xkey.keycode = 0x0010; + } else { + eventPtr->xkey.keycode = 0x00FF & keysym; + } + eventPtr->xkey.keycode |= (macKeycode & MAC_KEYCODE_MASK) << 16; + + if (shiftKey & macKeycode) { + eventPtr->xkey.state |= ShiftMask; + } + if (optionKey & macKeycode) { + eventPtr->xkey.state |= OPTION_MASK; + } + + if (keysym <= LATIN1_MAX) { + int done; + done = Tcl_UniCharToUtf(keysym,eventPtr->xkey.trans_chars); + eventPtr->xkey.trans_chars[done] = 0; + } else { + eventPtr->xkey.trans_chars[0] = 0; + } } - eventPtr->xkey.keycode = keycode; } /* @@ -430,105 +642,132 @@ TkpSetKeycodeAndState(tkwin, keySym, eventPtr) * * TkpGetKeySym -- * - * Given an X KeyPress or KeyRelease event, map the - * keycode in the event into a KeySym. + * Given an X KeyPress or KeyRelease event, map the keycode in the event + * into a keysym. * * Results: - * The return value is the KeySym corresponding to - * eventPtr, or NoSymbol if no matching Keysym could be - * found. + * The return value is the keysym corresponding to eventPtr, or NoSymbol + * if no matching keysym could be found. * * Side effects: - * In the first call for a given display, keycode-to- - * KeySym maps get loaded. + * In the first call for a given display, keycode-to-keysym maps get + * loaded. * *---------------------------------------------------------------------- */ KeySym -TkpGetKeySym(dispPtr, eventPtr) - TkDisplay *dispPtr; /* Display in which to - * map keycode. */ - XEvent *eventPtr; /* Description of X event. */ +TkpGetKeySym( + TkDisplay *dispPtr, /* Display in which to map keycode. */ + XEvent *eventPtr) /* Description of X event. */ { KeySym sym; int index; /* - * Refresh the mapping information if it's stale + * Refresh the mapping information if it's stale. */ if (dispPtr->bindInfoStale) { - TkpInitKeymapInfo(dispPtr); + TkpInitKeymapInfo(dispPtr); } /* - * Figure out which of the four slots in the keymap vector to - * use for this key. Refer to Xlib documentation for more info - * on how this computation works. + * Handle pure modifier keys specially. We use -1 as a signal for + * this. + */ + + if (eventPtr->xany.send_event == -1) { + int modifier = eventPtr->xkey.keycode; + if (modifier == cmdKey) { + return XK_Alt_L; + } else if (modifier == shiftKey) { + return XK_Shift_L; + } else if (modifier == alphaLock) { + return XK_Caps_Lock; + } else if (modifier == optionKey) { + return XK_Meta_L; + } else if (modifier == controlKey) { + return XK_Control_L; + } else if (modifier == rightShiftKey) { + return XK_Shift_R; + } else if (modifier == rightOptionKey) { + return XK_Meta_R; + } else if (modifier == rightControlKey) { + return XK_Control_R; + } else { + + /* + * If we get here, we probably need to implement something new. + */ + + return NoSymbol; + } + } + + /* + * Figure out which of the four slots in the keymap vector to use for + * this key. Refer to Xlib documentation for more info on how this + * computation works. (Note: We use "Option" in keymap columns 2 and 3 + * where other implementations have "Mode_switch".) */ index = 0; - if (eventPtr->xkey.state & dispPtr->modeModMask) { - index = 2; + + /* + * We want Option key combinations to use their base chars as keysyms, so + * we ignore the option modifier here. + */ + +#if 0 + if (eventPtr->xkey.state & OPTION_MASK) { + index |= 2; } +#endif + if ((eventPtr->xkey.state & ShiftMask) - || ((dispPtr->lockUsage != LU_IGNORE) - && (eventPtr->xkey.state & LockMask))) { - index += 1; - } - if (eventPtr->xany.send_event == -1) { - /* We use -1 as a special signal for a pure modifier */ - int modifier = eventPtr->xkey.keycode; - if (modifier == cmdKey) { - return XK_Alt_L; - } else if (modifier == shiftKey) { - return XK_Shift_L; - } else if (modifier == alphaLock) { - return XK_Caps_Lock; - } else if (modifier == optionKey) { - return XK_Meta_L; - } else if (modifier == controlKey) { - return XK_Control_L; - } else if (modifier == rightShiftKey) { - return XK_Shift_R; - } else if (modifier == rightOptionKey) { - return XK_Meta_R; - } else if (modifier == rightControlKey) { - return XK_Control_R; - } else { - /* If we get here, we probably need to implement something new */ - return NoSymbol; - } + || (/* (dispPtr->lockUsage != LU_IGNORE) + && */ (eventPtr->xkey.state & LockMask))) { + index |= 1; } + + /* + * First try of the actual translation. + */ + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, index); /* - * Special handling: if the key was shifted because of Lock, but - * lock is only caps lock, not shift lock, and the shifted keysym - * isn't upper-case alphabetic, then switch back to the unshifted - * keysym. + * Special handling: If the key was shifted because of Lock, but lock is + * only caps lock, not shift lock, and the shifted keysym isn't + * upper-case alphabetic, then switch back to the unshifted keysym. */ if ((index & 1) && !(eventPtr->xkey.state & ShiftMask) - && (dispPtr->lockUsage == LU_CAPS)) { - if (!(((sym >= XK_A) && (sym <= XK_Z)) - || ((sym >= XK_Agrave) && (sym <= XK_Odiaeresis)) - || ((sym >= XK_Ooblique) && (sym <= XK_Thorn)))) { - index &= ~1; - sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, - index); - } + /*&& (dispPtr->lockUsage == LU_CAPS)*/ ) { + + /* + * FIXME: Keysyms are only identical to Unicode for ASCII and + * Latin-1, so we can't use Tcl_UniCharIsUpper() for keysyms outside + * that range. This may be a serious problem here. + */ + + if ((sym == NoSymbol) || (sym > LATIN1_MAX) + || !Tcl_UniCharIsUpper(sym)) { + index &= ~1; + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, + index); + } } /* - * Another bit of special handling: if this is a shifted key and there - * is no keysym defined, then use the keysym for the unshifted key. + * Another bit of special handling: If this is a shifted key and there is + * no keysym defined, then use the keysym for the unshifted key. */ if ((index & 1) && (sym == NoSymbol)) { - sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, - index & ~1); + sym = XKeycodeToKeysym(dispPtr->display, eventPtr->xkey.keycode, + index & ~1); } return sym; } @@ -538,127 +777,48 @@ TkpGetKeySym(dispPtr, eventPtr) * * TkpInitKeymapInfo -- * - * This procedure is invoked to scan keymap information - * to recompute stuff that's important for binding, such - * as the modifier key (if any) that corresponds to "mode - * switch". + * This procedure is invoked to scan keymap information to recompute + * stuff that's important for binding, such as the modifier key (if any) + * that corresponds to the "Mode_switch" keysym. * * Results: - * None. + * None. * * Side effects: - * Keymap-related information in dispPtr is updated. + * Keymap-related information in dispPtr is updated. * *-------------------------------------------------------------- */ void -TkpInitKeymapInfo(dispPtr) - TkDisplay *dispPtr; /* Display for which to recompute keymap - * information. */ +TkpInitKeymapInfo( + TkDisplay *dispPtr) /* Display for which to recompute keymap + * information. */ { - XModifierKeymap *modMapPtr; - KeyCode *codePtr; - KeySym keysym; - int count, i, j, max, arraySize; -#define KEYCODE_ARRAY_SIZE 20 - dispPtr->bindInfoStale = 0; - modMapPtr = XGetModifierMapping(dispPtr->display); - - /* - * Check the keycodes associated with the Lock modifier. If - * any of them is associated with the XK_Shift_Lock modifier, - * then Lock has to be interpreted as Shift Lock, not Caps Lock. - */ - - dispPtr->lockUsage = LU_IGNORE; - codePtr = modMapPtr->modifiermap + modMapPtr->max_keypermod*LockMapIndex; - for (count = modMapPtr->max_keypermod; count > 0; count--, codePtr++) { - if (*codePtr == 0) { - continue; - } - keysym = XKeycodeToKeysym(dispPtr->display, *codePtr, 0); - if (keysym == XK_Shift_Lock) { - dispPtr->lockUsage = LU_SHIFT; - break; - } - if (keysym == XK_Caps_Lock) { - dispPtr->lockUsage = LU_CAPS; - break; - } - } /* - * Look through the keycodes associated with modifiers to see if - * the the "mode switch", "meta", or "alt" keysyms are associated - * with any modifiers. If so, remember their modifier mask bits. + * Behaviours that are variable on X11 are defined constant on MacOSX. + * lockUsage is only used above in TkpGetKeySym(), nowhere else + * currently. There is no offical "Mode_switch" key. */ + dispPtr->lockUsage = LU_CAPS; dispPtr->modeModMask = 0; - dispPtr->metaModMask = 0; - dispPtr->altModMask = 0; - codePtr = modMapPtr->modifiermap; - max = 8*modMapPtr->max_keypermod; - for (i = 0; i < max; i++, codePtr++) { - if (*codePtr == 0) { - continue; - } - keysym = XKeycodeToKeysym(dispPtr->display, *codePtr, 0); - if (keysym == XK_Mode_switch) { - dispPtr->modeModMask |= ShiftMask << (i/modMapPtr->max_keypermod); - } - if ((keysym == XK_Meta_L) || (keysym == XK_Meta_R)) { - dispPtr->metaModMask |= ShiftMask << (i/modMapPtr->max_keypermod); - } - if ((keysym == XK_Alt_L) || (keysym == XK_Alt_R)) { - dispPtr->altModMask |= ShiftMask << (i/modMapPtr->max_keypermod); - } - } + dispPtr->altModMask = ALT_MASK; + dispPtr->metaModMask = OPTION_MASK; /* - * Create an array of the keycodes for all modifier keys. + * MacOSX doesn't use the keycodes for the modifiers for anything, and we + * don't generate them either (the keycodes actually given in the + * simulated modifier events are bogus). So there is no modifier map. + * If we ever want to simulate real modifier keycodes, the list will be + * constant in the Carbon implementation. */ if (dispPtr->modKeyCodes != NULL) { - ckfree((char *) dispPtr->modKeyCodes); + ckfree((char *) dispPtr->modKeyCodes); } dispPtr->numModKeyCodes = 0; - arraySize = KEYCODE_ARRAY_SIZE; - dispPtr->modKeyCodes = (KeyCode *) ckalloc((unsigned) - (KEYCODE_ARRAY_SIZE * sizeof(KeyCode))); - for (i = 0, codePtr = modMapPtr->modifiermap; i < max; i++, codePtr++) { - if (*codePtr == 0) { - continue; - } - - /* - * Make sure that the keycode isn't already in the array. - */ - - for (j = 0; j < dispPtr->numModKeyCodes; j++) { - if (dispPtr->modKeyCodes[j] == *codePtr) { - goto nextModCode; - } - } - if (dispPtr->numModKeyCodes >= arraySize) { - KeyCode *new; - - /* - * Ran out of space in the array; grow it. - */ - - arraySize *= 2; - new = (KeyCode *) ckalloc((unsigned) - (arraySize * sizeof(KeyCode))); - memcpy((VOID *) new, (VOID *) dispPtr->modKeyCodes, - (dispPtr->numModKeyCodes * sizeof(KeyCode))); - ckfree((char *) dispPtr->modKeyCodes); - dispPtr->modKeyCodes = new; - } - dispPtr->modKeyCodes[dispPtr->numModKeyCodes] = *codePtr; - dispPtr->numModKeyCodes++; - nextModCode: continue; - } - XFreeModifiermap(modMapPtr); + dispPtr->modKeyCodes = NULL; } |