From dcdda21be28f425fdea2a3b2de1b6f96ba80852e Mon Sep 17 00:00:00 2001 From: ericm Date: Sat, 15 Apr 2000 00:33:08 +0000 Subject: * generic/ks_names.h: Added Scroll_Lock and Sys_Req definitions. * win/tkWinKey.c: Changed implementation of KeycodeToKeysym, et. al., to use a keycode table for lookups; this will result in faster keycode -> keysym translations for non-ASCII keys like Control, Alt, etc. --- generic/ks_names.h | 4 +- win/tkWinKey.c | 1457 +++++++++++++++++++++++++--------------------------- 2 files changed, 714 insertions(+), 747 deletions(-) diff --git a/generic/ks_names.h b/generic/ks_names.h index 0bc0e13..af11fc7 100644 --- a/generic/ks_names.h +++ b/generic/ks_names.h @@ -1,6 +1,6 @@ /* * This file is generated from $(INCLUDESRC)/keysymdef.h. Do not edit. - * RCS: $Id: ks_names.h,v 1.3 1998/09/14 18:23:02 stanton Exp $ + * RCS: $Id: ks_names.h,v 1.4 2000/04/15 00:33:08 ericm Exp $ */ { "BackSpace", 0xFF08 }, { "Tab", 0xFF09 }, @@ -8,6 +8,8 @@ { "Clear", 0xFF0B }, { "Return", 0xFF0D }, { "Pause", 0xFF13 }, +{ "Scroll_Lock", 0xFF14 }, +{ "Sys_Req", 0xFF15 }, { "Escape", 0xFF1B }, { "Delete", 0xFFFF }, { "Multi_key", 0xFF20 }, diff --git a/win/tkWinKey.c b/win/tkWinKey.c index 6a7a6a9..f197e5a 100644 --- a/win/tkWinKey.c +++ b/win/tkWinKey.c @@ -1,746 +1,711 @@ -/* - * tkWinKey.c -- - * - * This file contains X emulation routines for keyboard related - * functions. - * - * Copyright (c) 1995 Sun Microsystems, Inc. - * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tkWinKey.c,v 1.9 2000/04/14 01:36:35 ericm Exp $ - */ - -#include "tkWinInt.h" - -typedef struct { - unsigned int keycode; - KeySym keysym; -} Keys; - -static Keys keymap[] = { - VK_CANCEL, XK_Cancel, - VK_BACK, XK_BackSpace, - VK_TAB, XK_Tab, - VK_CLEAR, XK_Clear, - VK_RETURN, XK_Return, - VK_SHIFT, XK_Shift_L, - VK_CONTROL, XK_Control_L, - VK_MENU, XK_Alt_L, - VK_PAUSE, XK_Pause, - VK_CAPITAL, XK_Caps_Lock, - VK_ESCAPE, XK_Escape, - VK_SPACE, XK_space, - VK_PRIOR, XK_Prior, - VK_NEXT, XK_Next, - VK_END, XK_End, - VK_HOME, XK_Home, - VK_LEFT, XK_Left, - VK_UP, XK_Up, - VK_RIGHT, XK_Right, - VK_DOWN, XK_Down, - VK_SELECT, XK_Select, - VK_PRINT, XK_Print, - VK_EXECUTE, XK_Execute, - VK_INSERT, XK_Insert, - VK_DELETE, XK_Delete, - VK_HELP, XK_Help, - VK_F1, XK_F1, - VK_F2, XK_F2, - VK_F3, XK_F3, - VK_F4, XK_F4, - VK_F5, XK_F5, - VK_F6, XK_F6, - VK_F7, XK_F7, - VK_F8, XK_F8, - VK_F9, XK_F9, - VK_F10, XK_F10, - VK_F11, XK_F11, - VK_F12, XK_F12, - VK_F13, XK_F13, - VK_F14, XK_F14, - VK_F15, XK_F15, - VK_F16, XK_F16, - VK_F17, XK_F17, - VK_F18, XK_F18, - VK_F19, XK_F19, - VK_F20, XK_F20, - VK_F21, XK_F21, - VK_F22, XK_F22, - VK_F23, XK_F23, - VK_F24, XK_F24, - VK_NUMLOCK, XK_Num_Lock, - VK_SCROLL, XK_Scroll_Lock, - - /* - * The following support the new keys in the Microsoft keyboard. - * Win_L and Win_R have the windows logo. App has the menu. - */ - - VK_LWIN, XK_Win_L, - VK_RWIN, XK_Win_R, - VK_APPS, XK_App, - - 0, NoSymbol -}; - -/* - * Prototypes for local procedures defined in this file: - */ - -static KeySym KeycodeToKeysym _ANSI_ARGS_((unsigned int keycode, - int state, int noascii)); - -/* - *---------------------------------------------------------------------- - * - * TkpGetString -- - * - * Retrieve the UTF string equivalent for the given keyboard event. - * - * Results: - * Returns the UTF string. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -char * -TkpGetString(winPtr, eventPtr, dsPtr) - 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. */ -{ - KeySym keysym; - XKeyEvent* keyEv = &eventPtr->xkey; - - Tcl_DStringInit(dsPtr); - if (eventPtr->xkey.send_event != -1) { - /* - * This is an event generated from generic code. It has no - * nchars or trans_chars members. - */ - - keysym = KeycodeToKeysym(eventPtr->xkey.keycode, - eventPtr->xkey.state, 0); - if (((keysym != NoSymbol) && (keysym > 0) && (keysym < 256)) - || (keysym == XK_Return) - || (keysym == XK_Tab)) { - char buf[TCL_UTF_MAX]; - int len = Tcl_UniCharToUtf((Tcl_UniChar) (keysym & 255), buf); - Tcl_DStringAppend(dsPtr, buf, len); - } - } else if (eventPtr->xkey.nbytes > 0) { - Tcl_ExternalToUtfDString(NULL, eventPtr->xkey.trans_chars, - eventPtr->xkey.nbytes, dsPtr); - } - return Tcl_DStringValue(dsPtr); -} - -/* - *---------------------------------------------------------------------- - * - * XKeycodeToKeysym -- - * - * Translate from a system-dependent keycode to a - * system-independent keysym. - * - * Results: - * Returns the translated keysym, or NoSymbol on failure. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -KeySym -XKeycodeToKeysym(display, keycode, index) - Display* display; - unsigned int keycode; - int index; -{ - int state = 0; - - if (index & 0x01) { - state |= ShiftMask; - } - return KeycodeToKeysym(keycode, state, 0); -} - - - -/* - *---------------------------------------------------------------------- - * - * KeycodeToKeysym -- - * - * Translate from a system-dependent keycode to a - * system-independent keysym. - * - * Results: - * Returns the translated keysym, or NoSymbol on failure. - * - * Side effects: - * It may affect the internal state of the keyboard, such as - * remembered dead key or lock indicator lamps. - * - *---------------------------------------------------------------------- - */ - -static KeySym -KeycodeToKeysym(keycode, state, noascii) - unsigned int keycode; - int state; - int noascii; -{ - Keys* key; - BYTE keys[256]; - int result, deadkey, shift; - char buf[4]; - unsigned int scancode = MapVirtualKey(keycode, 0); - - /* - * Do not run keycodes of lock keys through ToAscii(). - * One of ToAscii()'s side effects is to handle the lights - * on the keyboard, and we don't want to mess that up. - */ - - if (noascii || keycode == VK_CAPITAL || keycode == VK_SCROLL || - keycode == VK_NUMLOCK) - goto skipToAscii; - - /* - * Use MapVirtualKey() to detect some dead keys. - */ - - if (MapVirtualKey(keycode, 2) > 0x7fffUL) - return XK_Multi_key; - - /* - * Set up a keyboard with correct modifiers - */ - - memset(keys, 0, 256); - if (state & ShiftMask) - keys[VK_SHIFT] = 0x80; - if (state & ControlMask) - keys[VK_CONTROL] = 0x80; - if (state & Mod2Mask) - keys[VK_MENU] = 0x80; - - /* - * Make sure all lock button info is correct so we don't mess up the - * lights - */ - - if (state & LockMask) - keys[VK_CAPITAL] = 1; - if (state & Mod3Mask) - keys[VK_SCROLL] = 1; - if (state & Mod1Mask) - keys[VK_NUMLOCK] = 1; - - result = ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); - - if (result < 0) { - /* - * Win95/98: - * This was a dead char, which is now remembered by the keyboard. - * Call ToAscii() again to forget it. - * WinNT: - * This was a dead char, overwriting any previously remembered - * key. Calling ToAscii() again does not affect anything. - */ - - ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); - return XK_Multi_key; - } - if (result == 2) { - /* - * This was a dead char, and there were one previously remembered - * by the keyboard. - * Call ToAscii() again with proper parameters to restore it. - */ - - /* - * Get information about the old char - */ - - deadkey = VkKeyScan(buf[0]); - shift = deadkey >> 8; - deadkey &= 255; - scancode = MapVirtualKey(deadkey, 0); - - /* - * Set up a keyboard with proper modifier keys - */ - - memset(keys, 0, 256); - if (shift & 1) - keys[VK_SHIFT] = 0x80; - if (shift & 2) - keys[VK_CONTROL] = 0x80; - if (shift & 4) - keys[VK_MENU] = 0x80; - ToAscii(deadkey, scancode, keys, (LPWORD) buf, 0); - return XK_Multi_key; - } - - /* - * Keycode mapped to a valid Latin-1 character. Since the keysyms - * for alphanumeric characters map onto Latin-1, we just return it. - */ - - if (result == 1 && UCHAR(buf[0]) >= 0x20) { - return (KeySym) UCHAR(buf[0]); - } - - /* - * Keycode is a non-alphanumeric key, so we have to do the lookup. - */ - - skipToAscii: - for (key = keymap; key->keycode != 0; key++) { - if (key->keycode == keycode) { - /* - * Windows only gives us an undifferentiated VK_CONTROL - * code (for example) when either Control key is pressed. - * To distinguish between left and right, we have to query the - * state of one of the two to determine which was actually - * pressed. So if the keycode indicates Control, Shift, or Menu - * (the key that everybody else calls Alt), do this extra test. - * If the right-side key was pressed, return the appropriate - * keycode. Otherwise, we fall through and rely on the - * keymap table to hold the correct keysym value. - */ - switch (keycode) { - case VK_CONTROL: { - if (GetKeyState(VK_RCONTROL) & 0x80) { - return XK_Control_R; - } - break; - } - case VK_SHIFT: { - if (GetKeyState(VK_RSHIFT) & 0x80) { - return XK_Shift_R; - } - break; - } - case VK_MENU: { - if (GetKeyState(VK_RMENU) & 0x80) { - return XK_Alt_R; - } - break; - } - } - return key->keysym; - } - } - - return NoSymbol; -} - - -/* - *---------------------------------------------------------------------- - * - * TkpGetKeySym -- - * - * 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. - * - * Side effects: - * 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. */ -{ - KeySym sym; - int state = eventPtr->xkey.state; - - /* - * Refresh the mapping information if it's stale - */ - - if (dispPtr->bindInfoStale) { - TkpInitKeymapInfo(dispPtr); - } - - sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); - - /* - * Special handling: if this is a ctrl-alt or shifted key, and there - * is no keysym defined, try without the modifiers. - */ - - if ((sym == NoSymbol) && ((state & ControlMask) || (state & Mod2Mask))) { - state &= ~(ControlMask | Mod2Mask); - sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); - } - if ((sym == NoSymbol) && (state & ShiftMask)) { - state &= ~ShiftMask; - sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); - } - return sym; -} - -/* - *-------------------------------------------------------------- - * - * 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". - * - * Results: - * None. - * - * Side effects: - * Keymap-related information in dispPtr is updated. - * - *-------------------------------------------------------------- - */ - -void -TkpInitKeymapInfo(dispPtr) - 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 = KeycodeToKeysym(*codePtr, 0, 1); - 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. - */ - - 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 = KeycodeToKeysym(*codePtr, 0, 1); - 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); - } - } - - /* - * Create an array of the keycodes for all modifier keys. - */ - - if (dispPtr->modKeyCodes != NULL) { - 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); -} - -/* - * 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. - */ - -void -TkpSetKeycodeAndState(tkwin, keySym, eventPtr) - Tk_Window tkwin; - KeySym keySym; - XEvent *eventPtr; -{ - Keys* key; - SHORT result; - int shift; - - eventPtr->xkey.keycode = 0; - if (keySym == NoSymbol) { - return; - } - - /* - * We check our private map first for a virtual keycode, - * as VkKeyScan will return values that don't map to X - * for the "extended" Syms. This may be due to just casting - * problems below, but this works. - */ - - for (key = keymap; key->keycode != 0; key++) { - if (key->keysym == keySym) { - eventPtr->xkey.keycode = key->keycode; - return; - } - } - - if (keySym >= 0x20) { - result = VkKeyScan((char) keySym); - if (result != -1) { - shift = result >> 8; - if (shift & 1) - eventPtr->xkey.state |= ShiftMask; - if (shift & 2) - eventPtr->xkey.state |= ControlMask; - if (shift & 4) - eventPtr->xkey.state |= Mod2Mask; - eventPtr->xkey.keycode = (KeyCode) (result & 0xff); - } - } - { - /* Debug log */ - FILE *fp = fopen("c:\\temp\\tklog.txt", "a"); - if (fp != NULL) { - fprintf(fp, "TkpSetKeycode. Keycode %d State %d Keysym %d\n", eventPtr->xkey.keycode, eventPtr->xkey.state, keySym); - fclose(fp); - } - } -} - -/* - *---------------------------------------------------------------------- - * - * XKeysymToKeycode -- - * - * Translate a keysym back into a keycode. - * - * Results: - * Returns the keycode that would generate the specified keysym. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -KeyCode -XKeysymToKeycode(display, keysym) - Display* display; - KeySym keysym; -{ - Keys* key; - SHORT result; - - /* - * We check our private map first for a virtual keycode, - * as VkKeyScan will return values that don't map to X - * for the "extended" Syms. This may be due to just casting - * problems below, but this works. - */ - - for (key = keymap; key->keycode != 0; key++) { - if (key->keysym == keysym) { - return key->keycode; - } - } - - if (keysym >= 0x20) { - result = VkKeyScan((char) keysym); - if (result != -1) { - return (KeyCode) (result & 0xff); - } - } - - return 0; -} - -/* - *---------------------------------------------------------------------- - * - * XGetModifierMapping -- - * - * Fetch the current keycodes used as modifiers. - * - * Results: - * Returns a new modifier map. - * - * Side effects: - * Allocates a new modifier map data structure. - * - *---------------------------------------------------------------------- - */ - -XModifierKeymap * -XGetModifierMapping(display) - Display* display; -{ - XModifierKeymap *map = (XModifierKeymap *)ckalloc(sizeof(XModifierKeymap)); - - map->max_keypermod = 1; - map->modifiermap = (KeyCode *) ckalloc(sizeof(KeyCode)*8); - map->modifiermap[ShiftMapIndex] = VK_SHIFT; - map->modifiermap[LockMapIndex] = VK_CAPITAL; - map->modifiermap[ControlMapIndex] = VK_CONTROL; - map->modifiermap[Mod1MapIndex] = VK_NUMLOCK; - map->modifiermap[Mod2MapIndex] = VK_MENU; - map->modifiermap[Mod3MapIndex] = VK_SCROLL; - map->modifiermap[Mod4MapIndex] = 0; - map->modifiermap[Mod5MapIndex] = 0; - return map; -} - -/* - *---------------------------------------------------------------------- - * - * XFreeModifiermap -- - * - * Deallocate a modifier map that was created by - * XGetModifierMapping. - * - * Results: - * None. - * - * Side effects: - * Frees the datastructure referenced by modmap. - * - *---------------------------------------------------------------------- - */ - -void -XFreeModifiermap(modmap) - XModifierKeymap* modmap; -{ - ckfree((char *) modmap->modifiermap); - ckfree((char *) modmap); -} - -/* - *---------------------------------------------------------------------- - * - * XStringToKeysym -- - * - * Translate a keysym name to the matching keysym. - * - * Results: - * Returns the keysym. Since this is already handled by - * Tk's StringToKeysym function, we just return NoSymbol. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -KeySym -XStringToKeysym(string) - _Xconst char *string; -{ - return NoSymbol; -} - -/* - *---------------------------------------------------------------------- - * - * XKeysymToString -- - * - * Convert a keysym to character form. - * - * Results: - * Returns NULL, since Tk will have handled this already. - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -char * -XKeysymToString(keysym) - KeySym keysym; -{ - return NULL; -} +/* + * tkWinKey.c -- + * + * This file contains X emulation routines for keyboard related + * functions. + * + * Copyright (c) 1995 Sun Microsystems, Inc. + * + * See the file "license.terms" for information on usage and redistribution + * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * RCS: @(#) $Id: tkWinKey.c,v 1.10 2000/04/15 00:33:08 ericm Exp $ + */ + +#include "tkWinInt.h" +/* + * The keymap table holds mappings of Windows keycodes to X keysyms. + * If Windows ever comes along and changes the value of their keycodes, + * this will break all kinds of things. However, this table lookup is much + * faster than the alternative, in which we walked a list of keycodes looking + * for a match. Since this lookup is performed for every Windows keypress + * event, it seems like a worthwhile improvement to use the table. + */ +#define MAX_KEYCODE 145 /* VK_SCROLL is the last entry in our table below */ +static KeySym keymap[] = { + NoSymbol, NoSymbol, NoSymbol, XK_Cancel, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, XK_BackSpace, XK_Tab, + NoSymbol, NoSymbol, XK_Clear, XK_Return, NoSymbol, + NoSymbol, XK_Shift_L, XK_Control_L, XK_Alt_L, XK_Pause, + XK_Caps_Lock, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, XK_Escape, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, XK_space, XK_Prior, XK_Next, + XK_End, XK_Home, XK_Left, XK_Up, XK_Right, + XK_Down, XK_Select, XK_Print, XK_Execute, NoSymbol, + XK_Insert, XK_Delete, XK_Help, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, XK_Win_L, XK_Win_R, XK_App, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, XK_F1, XK_F2, XK_F3, + XK_F4, XK_F5, XK_F6, XK_F7, XK_F8, + XK_F9, XK_F10, XK_F11, XK_F12, XK_F13, + XK_F14, XK_F15, XK_F16, XK_F17, XK_F18, + XK_F19, XK_F20, XK_F21, XK_F22, XK_F23, + XK_F24, NoSymbol, NoSymbol, NoSymbol, NoSymbol, + NoSymbol, NoSymbol, NoSymbol, NoSymbol, XK_Num_Lock, + XK_Scroll_Lock +}; + +/* + * Prototypes for local procedures defined in this file: + */ + +static KeySym KeycodeToKeysym _ANSI_ARGS_((unsigned int keycode, + int state, int noascii)); + +/* + *---------------------------------------------------------------------- + * + * TkpGetString -- + * + * Retrieve the UTF string equivalent for the given keyboard event. + * + * Results: + * Returns the UTF string. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +char * +TkpGetString(winPtr, eventPtr, dsPtr) + 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. */ +{ + KeySym keysym; + XKeyEvent* keyEv = &eventPtr->xkey; + + Tcl_DStringInit(dsPtr); + if (eventPtr->xkey.send_event != -1) { + /* + * This is an event generated from generic code. It has no + * nchars or trans_chars members. + */ + + keysym = KeycodeToKeysym(eventPtr->xkey.keycode, + eventPtr->xkey.state, 0); + if (((keysym != NoSymbol) && (keysym > 0) && (keysym < 256)) + || (keysym == XK_Return) + || (keysym == XK_Tab)) { + char buf[TCL_UTF_MAX]; + int len = Tcl_UniCharToUtf((Tcl_UniChar) (keysym & 255), buf); + Tcl_DStringAppend(dsPtr, buf, len); + } + } else if (eventPtr->xkey.nbytes > 0) { + Tcl_ExternalToUtfDString(NULL, eventPtr->xkey.trans_chars, + eventPtr->xkey.nbytes, dsPtr); + } + return Tcl_DStringValue(dsPtr); +} + +/* + *---------------------------------------------------------------------- + * + * XKeycodeToKeysym -- + * + * Translate from a system-dependent keycode to a + * system-independent keysym. + * + * Results: + * Returns the translated keysym, or NoSymbol on failure. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +KeySym +XKeycodeToKeysym(display, keycode, index) + Display* display; + unsigned int keycode; + int index; +{ + int state = 0; + + if (index & 0x01) { + state |= ShiftMask; + } + return KeycodeToKeysym(keycode, state, 0); +} + + + +/* + *---------------------------------------------------------------------- + * + * KeycodeToKeysym -- + * + * Translate from a system-dependent keycode to a + * system-independent keysym. + * + * Results: + * Returns the translated keysym, or NoSymbol on failure. + * + * Side effects: + * It may affect the internal state of the keyboard, such as + * remembered dead key or lock indicator lamps. + * + *---------------------------------------------------------------------- + */ + +static KeySym +KeycodeToKeysym(keycode, state, noascii) + unsigned int keycode; + int state; + int noascii; +{ + BYTE keys[256]; + int result, deadkey, shift; + char buf[4]; + unsigned int scancode = MapVirtualKey(keycode, 0); + + /* + * Do not run keycodes of lock keys through ToAscii(). + * One of ToAscii()'s side effects is to handle the lights + * on the keyboard, and we don't want to mess that up. + */ + + if (noascii || keycode == VK_CAPITAL || keycode == VK_SCROLL || + keycode == VK_NUMLOCK) + goto skipToAscii; + + /* + * Use MapVirtualKey() to detect some dead keys. + */ + + if (MapVirtualKey(keycode, 2) > 0x7fffUL) + return XK_Multi_key; + + /* + * Set up a keyboard with correct modifiers + */ + + memset(keys, 0, 256); + if (state & ShiftMask) + keys[VK_SHIFT] = 0x80; + if (state & ControlMask) + keys[VK_CONTROL] = 0x80; + if (state & Mod2Mask) + keys[VK_MENU] = 0x80; + + /* + * Make sure all lock button info is correct so we don't mess up the + * lights + */ + + if (state & LockMask) + keys[VK_CAPITAL] = 1; + if (state & Mod3Mask) + keys[VK_SCROLL] = 1; + if (state & Mod1Mask) + keys[VK_NUMLOCK] = 1; + + result = ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); + + if (result < 0) { + /* + * Win95/98: + * This was a dead char, which is now remembered by the keyboard. + * Call ToAscii() again to forget it. + * WinNT: + * This was a dead char, overwriting any previously remembered + * key. Calling ToAscii() again does not affect anything. + */ + + ToAscii(keycode, scancode, keys, (LPWORD) buf, 0); + return XK_Multi_key; + } + if (result == 2) { + /* + * This was a dead char, and there were one previously remembered + * by the keyboard. + * Call ToAscii() again with proper parameters to restore it. + */ + + /* + * Get information about the old char + */ + + deadkey = VkKeyScan(buf[0]); + shift = deadkey >> 8; + deadkey &= 255; + scancode = MapVirtualKey(deadkey, 0); + + /* + * Set up a keyboard with proper modifier keys + */ + + memset(keys, 0, 256); + if (shift & 1) + keys[VK_SHIFT] = 0x80; + if (shift & 2) + keys[VK_CONTROL] = 0x80; + if (shift & 4) + keys[VK_MENU] = 0x80; + ToAscii(deadkey, scancode, keys, (LPWORD) buf, 0); + return XK_Multi_key; + } + + /* + * Keycode mapped to a valid Latin-1 character. Since the keysyms + * for alphanumeric characters map onto Latin-1, we just return it. + */ + + if (result == 1 && UCHAR(buf[0]) >= 0x20) { + return (KeySym) UCHAR(buf[0]); + } + + /* + * Keycode is a non-alphanumeric key, so we have to do the lookup. + */ + + skipToAscii: + if (keycode < 0 || keycode > MAX_KEYCODE) { + return NoSymbol; + } + switch (keycode) { + /* + * Windows only gives us an undifferentiated VK_CONTROL + * code (for example) when either Control key is pressed. + * To distinguish between left and right, we have to query the + * state of one of the two to determine which was actually + * pressed. So if the keycode indicates Control, Shift, or Menu + * (the key that everybody else calls Alt), do this extra test. + * If the right-side key was pressed, return the appropriate + * keycode. Otherwise, we fall through and rely on the + * keymap table to hold the correct keysym value. + */ + case VK_CONTROL: { + if (GetKeyState(VK_RCONTROL) & 0x80) { + return XK_Control_R; + } + break; + } + case VK_SHIFT: { + if (GetKeyState(VK_RSHIFT) & 0x80) { + return XK_Shift_R; + } + break; + } + case VK_MENU: { + if (GetKeyState(VK_RMENU) & 0x80) { + return XK_Alt_R; + } + break; + } + } + return keymap[keycode]; +} + + +/* + *---------------------------------------------------------------------- + * + * TkpGetKeySym -- + * + * 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. + * + * Side effects: + * 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. */ +{ + KeySym sym; + int state = eventPtr->xkey.state; + + /* + * Refresh the mapping information if it's stale + */ + + if (dispPtr->bindInfoStale) { + TkpInitKeymapInfo(dispPtr); + } + + sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); + + /* + * Special handling: if this is a ctrl-alt or shifted key, and there + * is no keysym defined, try without the modifiers. + */ + + if ((sym == NoSymbol) && ((state & ControlMask) || (state & Mod2Mask))) { + state &= ~(ControlMask | Mod2Mask); + sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); + } + if ((sym == NoSymbol) && (state & ShiftMask)) { + state &= ~ShiftMask; + sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0); + } + return sym; +} + +/* + *-------------------------------------------------------------- + * + * 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". + * + * Results: + * None. + * + * Side effects: + * Keymap-related information in dispPtr is updated. + * + *-------------------------------------------------------------- + */ + +void +TkpInitKeymapInfo(dispPtr) + 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 = KeycodeToKeysym(*codePtr, 0, 1); + 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. + */ + + 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 = KeycodeToKeysym(*codePtr, 0, 1); + 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); + } + } + + /* + * Create an array of the keycodes for all modifier keys. + */ + + if (dispPtr->modKeyCodes != NULL) { + 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); +} + +/* + * 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. + */ + +void +TkpSetKeycodeAndState(tkwin, keySym, eventPtr) + Tk_Window tkwin; + KeySym keySym; + XEvent *eventPtr; +{ + int i; + SHORT result; + int shift; + + eventPtr->xkey.keycode = 0; + if (keySym == NoSymbol) { + return; + } + + /* + * We check our private map first for a virtual keycode, + * as VkKeyScan will return values that don't map to X + * for the "extended" Syms. This may be due to just casting + * problems below, but this works. + */ + for (i = 0; i <= MAX_KEYCODE; i++) { + if (keymap[i] == keySym) { + eventPtr->xkey.keycode = i; + return; + } + } + if (keySym >= 0x20) { + result = VkKeyScan((char) keySym); + if (result != -1) { + shift = result >> 8; + if (shift & 1) + eventPtr->xkey.state |= ShiftMask; + if (shift & 2) + eventPtr->xkey.state |= ControlMask; + if (shift & 4) + eventPtr->xkey.state |= Mod2Mask; + eventPtr->xkey.keycode = (KeyCode) (result & 0xff); + } + } + { + /* Debug log */ + FILE *fp = fopen("c:\\temp\\tklog.txt", "a"); + if (fp != NULL) { + fprintf(fp, "TkpSetKeycode. Keycode %d State %d Keysym %d\n", eventPtr->xkey.keycode, eventPtr->xkey.state, keySym); + fclose(fp); + } + } +} + +/* + *---------------------------------------------------------------------- + * + * XKeysymToKeycode -- + * + * Translate a keysym back into a keycode. + * + * Results: + * Returns the keycode that would generate the specified keysym. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +KeyCode +XKeysymToKeycode(display, keysym) + Display* display; + KeySym keysym; +{ + int i; + SHORT result; + + /* + * We check our private map first for a virtual keycode, + * as VkKeyScan will return values that don't map to X + * for the "extended" Syms. This may be due to just casting + * problems below, but this works. + */ + if (keysym == NoSymbol) { + return 0; + } + for (i = 0; i <= MAX_KEYCODE; i++) { + if (keymap[i] == keysym) { + return ((KeyCode) i); + } + } + if (keysym >= 0x20) { + result = VkKeyScan((char) keysym); + if (result != -1) { + return (KeyCode) (result & 0xff); + } + } + + return 0; +} + +/* + *---------------------------------------------------------------------- + * + * XGetModifierMapping -- + * + * Fetch the current keycodes used as modifiers. + * + * Results: + * Returns a new modifier map. + * + * Side effects: + * Allocates a new modifier map data structure. + * + *---------------------------------------------------------------------- + */ + +XModifierKeymap * +XGetModifierMapping(display) + Display* display; +{ + XModifierKeymap *map = (XModifierKeymap *)ckalloc(sizeof(XModifierKeymap)); + + map->max_keypermod = 1; + map->modifiermap = (KeyCode *) ckalloc(sizeof(KeyCode)*8); + map->modifiermap[ShiftMapIndex] = VK_SHIFT; + map->modifiermap[LockMapIndex] = VK_CAPITAL; + map->modifiermap[ControlMapIndex] = VK_CONTROL; + map->modifiermap[Mod1MapIndex] = VK_NUMLOCK; + map->modifiermap[Mod2MapIndex] = VK_MENU; + map->modifiermap[Mod3MapIndex] = VK_SCROLL; + map->modifiermap[Mod4MapIndex] = 0; + map->modifiermap[Mod5MapIndex] = 0; + return map; +} + +/* + *---------------------------------------------------------------------- + * + * XFreeModifiermap -- + * + * Deallocate a modifier map that was created by + * XGetModifierMapping. + * + * Results: + * None. + * + * Side effects: + * Frees the datastructure referenced by modmap. + * + *---------------------------------------------------------------------- + */ + +void +XFreeModifiermap(modmap) + XModifierKeymap* modmap; +{ + ckfree((char *) modmap->modifiermap); + ckfree((char *) modmap); +} + +/* + *---------------------------------------------------------------------- + * + * XStringToKeysym -- + * + * Translate a keysym name to the matching keysym. + * + * Results: + * Returns the keysym. Since this is already handled by + * Tk's StringToKeysym function, we just return NoSymbol. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +KeySym +XStringToKeysym(string) + _Xconst char *string; +{ + return NoSymbol; +} + +/* + *---------------------------------------------------------------------- + * + * XKeysymToString -- + * + * Convert a keysym to character form. + * + * Results: + * Returns NULL, since Tk will have handled this already. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +char * +XKeysymToString(keysym) + KeySym keysym; +{ + return NULL; +} -- cgit v0.12