diff options
Diffstat (limited to 'tcl/win/tkWinKey.c')
| -rw-r--r-- | tcl/win/tkWinKey.c | 742 |
1 files changed, 0 insertions, 742 deletions
diff --git a/tcl/win/tkWinKey.c b/tcl/win/tkWinKey.c deleted file mode 100644 index 33d84ab1935..00000000000 --- a/tcl/win/tkWinKey.c +++ /dev/null @@ -1,742 +0,0 @@ -/* - * 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: @(#) $Id$ - */ - -#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) { - if (eventPtr->xkey.nbytes > 0) { - Tcl_ExternalToUtfDString(TkWinGetKeyInputEncoding(), - eventPtr->xkey.trans_chars, eventPtr->xkey.nbytes, dsPtr); - } - } else if (eventPtr->xkey.send_event == -2) { - /* - * Special case for win2000 multi-lingal IME input. - * xkey.trans_chars[] already contains a UNICODE char. - */ - - int unichar; - char buf[TCL_UTF_MAX]; - int len; - - unichar = (eventPtr->xkey.trans_chars[1] & 0xff); - unichar <<= 8; - unichar |= (eventPtr->xkey.trans_chars[0] & 0xff); - - len = Tcl_UniCharToUtf((Tcl_UniChar) unichar, buf); - - Tcl_DStringAppend(dsPtr, buf, len); - } else { - /* - * 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); - } - } - 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. - * - * We treat 0x7F as a special case mostly for backwards compatibility. - * In versions of Tk<=8.2, Control-Backspace returned "XK_BackSpace" - * as the X Keysym. This was due to the fact that we did not - * initialize the keys array properly when we passed it to ToAscii, above. - * We had previously not been setting the state bit for the Control key. - * When we fixed that, we found that Control-Backspace on Windows is - * interpreted as ASCII-127 (0x7F), which corresponds to the Delete key. - * - * Upon discovering this, we realized we had two choices: return XK_Delete - * or return XK_BackSpace. If we returned XK_Delete, that could be - * considered "more correct" (although the correctness would be dependant - * on whether you believe that ToAscii is doing the right thing in that - * case); however, this would break backwards compatibility, and worse, - * it would limit application programmers -- they would effectively be - * unable to bind to <Control-Backspace> on Windows. We therefore chose - * instead to return XK_BackSpace (handled here by letting the code - * "fall-through" to the return statement below, which works because the - * keycode for this event is VK_BACKSPACE, and the keymap table maps that - * keycode to XK_BackSpace). - */ - - if (result == 1 && UCHAR(buf[0]) >= 0x20 && UCHAR(buf[0]) != 0x7F) { - 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); - } - } -} - -/* - *---------------------------------------------------------------------- - * - * 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; -} |