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/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkwinkey.c,v 1.1.1.1 2001/06/13 05:13:42 dtashley Exp $ */
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/*
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* tkWinKey.c --
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*
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* This file contains X emulation routines for keyboard related
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* functions.
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*
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* Copyright (c) 1995 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* RCS: @(#) $Id: tkwinkey.c,v 1.1.1.1 2001/06/13 05:13:42 dtashley Exp $
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*/
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#include "tkWinInt.h"
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/*
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* The keymap table holds mappings of Windows keycodes to X keysyms.
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* If Windows ever comes along and changes the value of their keycodes,
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* this will break all kinds of things. However, this table lookup is much
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* faster than the alternative, in which we walked a list of keycodes looking
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* for a match. Since this lookup is performed for every Windows keypress
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* event, it seems like a worthwhile improvement to use the table.
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*/
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#define MAX_KEYCODE 145 /* VK_SCROLL is the last entry in our table below */
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static KeySym keymap[] = {
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NoSymbol, NoSymbol, NoSymbol, XK_Cancel, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, XK_BackSpace, XK_Tab,
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NoSymbol, NoSymbol, XK_Clear, XK_Return, NoSymbol,
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NoSymbol, XK_Shift_L, XK_Control_L, XK_Alt_L, XK_Pause,
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XK_Caps_Lock, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, XK_Escape, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, XK_space, XK_Prior, XK_Next,
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XK_End, XK_Home, XK_Left, XK_Up, XK_Right,
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XK_Down, XK_Select, XK_Print, XK_Execute, NoSymbol,
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XK_Insert, XK_Delete, XK_Help, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, XK_Win_L, XK_Win_R, XK_App, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, XK_F1, XK_F2, XK_F3,
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XK_F4, XK_F5, XK_F6, XK_F7, XK_F8,
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XK_F9, XK_F10, XK_F11, XK_F12, XK_F13,
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XK_F14, XK_F15, XK_F16, XK_F17, XK_F18,
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XK_F19, XK_F20, XK_F21, XK_F22, XK_F23,
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XK_F24, NoSymbol, NoSymbol, NoSymbol, NoSymbol,
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NoSymbol, NoSymbol, NoSymbol, NoSymbol, XK_Num_Lock,
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XK_Scroll_Lock
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};
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/*
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* Prototypes for local procedures defined in this file:
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*/
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static KeySym KeycodeToKeysym _ANSI_ARGS_((unsigned int keycode,
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int state, int noascii));
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/*
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*----------------------------------------------------------------------
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*
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* TkpGetString --
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*
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* Retrieve the UTF string equivalent for the given keyboard event.
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*
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* Results:
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* Returns the UTF string.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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char *
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TkpGetString(winPtr, eventPtr, dsPtr)
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TkWindow *winPtr; /* Window where event occurred: needed to
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* get input context. */
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XEvent *eventPtr; /* X keyboard event. */
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Tcl_DString *dsPtr; /* Uninitialized or empty string to hold
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* result. */
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{
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KeySym keysym;
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XKeyEvent* keyEv = &eventPtr->xkey;
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Tcl_DStringInit(dsPtr);
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if (eventPtr->xkey.send_event != -1) {
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/*
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* This is an event generated from generic code. It has no
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* nchars or trans_chars members.
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*/
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keysym = KeycodeToKeysym(eventPtr->xkey.keycode,
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eventPtr->xkey.state, 0);
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if (((keysym != NoSymbol) && (keysym > 0) && (keysym < 256))
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|| (keysym == XK_Return)
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|| (keysym == XK_Tab)) {
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char buf[TCL_UTF_MAX];
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int len = Tcl_UniCharToUtf((Tcl_UniChar) (keysym & 255), buf);
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Tcl_DStringAppend(dsPtr, buf, len);
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}
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} else if (eventPtr->xkey.nbytes > 0) {
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Tcl_ExternalToUtfDString(NULL, eventPtr->xkey.trans_chars,
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eventPtr->xkey.nbytes, dsPtr);
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}
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return Tcl_DStringValue(dsPtr);
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}
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/*
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*----------------------------------------------------------------------
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*
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* XKeycodeToKeysym --
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*
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* Translate from a system-dependent keycode to a
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* system-independent keysym.
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*
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* Results:
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* Returns the translated keysym, or NoSymbol on failure.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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KeySym
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XKeycodeToKeysym(display, keycode, index)
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Display* display;
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unsigned int keycode;
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int index;
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{
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int state = 0;
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if (index & 0x01) {
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state |= ShiftMask;
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}
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return KeycodeToKeysym(keycode, state, 0);
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}
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/*
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*----------------------------------------------------------------------
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*
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* KeycodeToKeysym --
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*
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* Translate from a system-dependent keycode to a
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* system-independent keysym.
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*
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* Results:
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* Returns the translated keysym, or NoSymbol on failure.
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*
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* Side effects:
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* It may affect the internal state of the keyboard, such as
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* remembered dead key or lock indicator lamps.
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*
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*----------------------------------------------------------------------
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*/
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static KeySym
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KeycodeToKeysym(keycode, state, noascii)
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unsigned int keycode;
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int state;
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int noascii;
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{
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BYTE keys[256];
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int result, deadkey, shift;
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char buf[4];
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unsigned int scancode = MapVirtualKey(keycode, 0);
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/*
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* Do not run keycodes of lock keys through ToAscii().
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* One of ToAscii()'s side effects is to handle the lights
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* on the keyboard, and we don't want to mess that up.
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*/
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if (noascii || keycode == VK_CAPITAL || keycode == VK_SCROLL ||
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keycode == VK_NUMLOCK)
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goto skipToAscii;
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/*
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* Use MapVirtualKey() to detect some dead keys.
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*/
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if (MapVirtualKey(keycode, 2) > 0x7fffUL)
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return XK_Multi_key;
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/*
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* Set up a keyboard with correct modifiers
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*/
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memset(keys, 0, 256);
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if (state & ShiftMask)
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keys[VK_SHIFT] = 0x80;
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if (state & ControlMask)
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keys[VK_CONTROL] = 0x80;
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if (state & Mod2Mask)
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keys[VK_MENU] = 0x80;
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/*
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* Make sure all lock button info is correct so we don't mess up the
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* lights
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*/
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if (state & LockMask)
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keys[VK_CAPITAL] = 1;
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if (state & Mod3Mask)
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keys[VK_SCROLL] = 1;
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if (state & Mod1Mask)
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keys[VK_NUMLOCK] = 1;
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result = ToAscii(keycode, scancode, keys, (LPWORD) buf, 0);
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if (result < 0) {
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/*
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* Win95/98:
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* This was a dead char, which is now remembered by the keyboard.
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* Call ToAscii() again to forget it.
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* WinNT:
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* This was a dead char, overwriting any previously remembered
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* key. Calling ToAscii() again does not affect anything.
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*/
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ToAscii(keycode, scancode, keys, (LPWORD) buf, 0);
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return XK_Multi_key;
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}
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if (result == 2) {
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/*
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* This was a dead char, and there were one previously remembered
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* by the keyboard.
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* Call ToAscii() again with proper parameters to restore it.
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*/
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/*
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* Get information about the old char
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*/
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deadkey = VkKeyScan(buf[0]);
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shift = deadkey >> 8;
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deadkey &= 255;
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scancode = MapVirtualKey(deadkey, 0);
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/*
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* Set up a keyboard with proper modifier keys
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*/
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memset(keys, 0, 256);
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if (shift & 1)
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keys[VK_SHIFT] = 0x80;
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if (shift & 2)
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keys[VK_CONTROL] = 0x80;
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if (shift & 4)
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keys[VK_MENU] = 0x80;
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ToAscii(deadkey, scancode, keys, (LPWORD) buf, 0);
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return XK_Multi_key;
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}
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| 265 |
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/*
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| 267 |
* Keycode mapped to a valid Latin-1 character. Since the keysyms
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* for alphanumeric characters map onto Latin-1, we just return it.
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*
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* We treat 0x7F as a special case mostly for backwards compatibility.
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* In versions of Tk<=8.2, Control-Backspace returned "XK_BackSpace"
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* as the X Keysym. This was due to the fact that we did not
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* initialize the keys array properly when we passed it to ToAscii, above.
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* We had previously not been setting the state bit for the Control key.
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* When we fixed that, we found that Control-Backspace on Windows is
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* interpreted as ASCII-127 (0x7F), which corresponds to the Delete key.
|
| 277 |
*
|
| 278 |
* Upon discovering this, we realized we had two choices: return XK_Delete
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| 279 |
* or return XK_BackSpace. If we returned XK_Delete, that could be
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| 280 |
* considered "more correct" (although the correctness would be dependant
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| 281 |
* on whether you believe that ToAscii is doing the right thing in that
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* case); however, this would break backwards compatibility, and worse,
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* it would limit application programmers -- they would effectively be
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* unable to bind to <Control-Backspace> on Windows. We therefore chose
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* instead to return XK_BackSpace (handled here by letting the code
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* "fall-through" to the return statement below, which works because the
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* keycode for this event is VK_BACKSPACE, and the keymap table maps that
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* keycode to XK_BackSpace).
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*/
|
| 290 |
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if (result == 1 && UCHAR(buf[0]) >= 0x20 && UCHAR(buf[0]) != 0x7F) {
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| 292 |
return (KeySym) UCHAR(buf[0]);
|
| 293 |
}
|
| 294 |
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| 295 |
/*
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| 296 |
* Keycode is a non-alphanumeric key, so we have to do the lookup.
|
| 297 |
*/
|
| 298 |
|
| 299 |
skipToAscii:
|
| 300 |
if (keycode < 0 || keycode > MAX_KEYCODE) {
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| 301 |
return NoSymbol;
|
| 302 |
}
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| 303 |
switch (keycode) {
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| 304 |
/*
|
| 305 |
* Windows only gives us an undifferentiated VK_CONTROL
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| 306 |
* code (for example) when either Control key is pressed.
|
| 307 |
* To distinguish between left and right, we have to query the
|
| 308 |
* state of one of the two to determine which was actually
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| 309 |
* pressed. So if the keycode indicates Control, Shift, or Menu
|
| 310 |
* (the key that everybody else calls Alt), do this extra test.
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| 311 |
* If the right-side key was pressed, return the appropriate
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| 312 |
* keycode. Otherwise, we fall through and rely on the
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| 313 |
* keymap table to hold the correct keysym value.
|
| 314 |
*/
|
| 315 |
case VK_CONTROL: {
|
| 316 |
if (GetKeyState(VK_RCONTROL) & 0x80) {
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| 317 |
return XK_Control_R;
|
| 318 |
}
|
| 319 |
break;
|
| 320 |
}
|
| 321 |
case VK_SHIFT: {
|
| 322 |
if (GetKeyState(VK_RSHIFT) & 0x80) {
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| 323 |
return XK_Shift_R;
|
| 324 |
}
|
| 325 |
break;
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| 326 |
}
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| 327 |
case VK_MENU: {
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| 328 |
if (GetKeyState(VK_RMENU) & 0x80) {
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| 329 |
return XK_Alt_R;
|
| 330 |
}
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break;
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| 332 |
}
|
| 333 |
}
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| 334 |
return keymap[keycode];
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| 335 |
}
|
| 336 |
|
| 337 |
|
| 338 |
/*
|
| 339 |
*----------------------------------------------------------------------
|
| 340 |
*
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| 341 |
* TkpGetKeySym --
|
| 342 |
*
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| 343 |
* Given an X KeyPress or KeyRelease event, map the
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| 344 |
* keycode in the event into a KeySym.
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| 345 |
*
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| 346 |
* Results:
|
| 347 |
* The return value is the KeySym corresponding to
|
| 348 |
* eventPtr, or NoSymbol if no matching Keysym could be
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| 349 |
* found.
|
| 350 |
*
|
| 351 |
* Side effects:
|
| 352 |
* In the first call for a given display, keycode-to-
|
| 353 |
* KeySym maps get loaded.
|
| 354 |
*
|
| 355 |
*----------------------------------------------------------------------
|
| 356 |
*/
|
| 357 |
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| 358 |
KeySym
|
| 359 |
TkpGetKeySym(dispPtr, eventPtr)
|
| 360 |
TkDisplay *dispPtr; /* Display in which to map keycode. */
|
| 361 |
XEvent *eventPtr; /* Description of X event. */
|
| 362 |
{
|
| 363 |
KeySym sym;
|
| 364 |
int state = eventPtr->xkey.state;
|
| 365 |
|
| 366 |
/*
|
| 367 |
* Refresh the mapping information if it's stale
|
| 368 |
*/
|
| 369 |
|
| 370 |
if (dispPtr->bindInfoStale) {
|
| 371 |
TkpInitKeymapInfo(dispPtr);
|
| 372 |
}
|
| 373 |
|
| 374 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0);
|
| 375 |
|
| 376 |
/*
|
| 377 |
* Special handling: if this is a ctrl-alt or shifted key, and there
|
| 378 |
* is no keysym defined, try without the modifiers.
|
| 379 |
*/
|
| 380 |
|
| 381 |
if ((sym == NoSymbol) && ((state & ControlMask) || (state & Mod2Mask))) {
|
| 382 |
state &= ~(ControlMask | Mod2Mask);
|
| 383 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0);
|
| 384 |
}
|
| 385 |
if ((sym == NoSymbol) && (state & ShiftMask)) {
|
| 386 |
state &= ~ShiftMask;
|
| 387 |
sym = KeycodeToKeysym(eventPtr->xkey.keycode, state, 0);
|
| 388 |
}
|
| 389 |
return sym;
|
| 390 |
}
|
| 391 |
|
| 392 |
/*
|
| 393 |
*--------------------------------------------------------------
|
| 394 |
*
|
| 395 |
* TkpInitKeymapInfo --
|
| 396 |
*
|
| 397 |
* This procedure is invoked to scan keymap information
|
| 398 |
* to recompute stuff that's important for binding, such
|
| 399 |
* as the modifier key (if any) that corresponds to "mode
|
| 400 |
* switch".
|
| 401 |
*
|
| 402 |
* Results:
|
| 403 |
* None.
|
| 404 |
*
|
| 405 |
* Side effects:
|
| 406 |
* Keymap-related information in dispPtr is updated.
|
| 407 |
*
|
| 408 |
*--------------------------------------------------------------
|
| 409 |
*/
|
| 410 |
|
| 411 |
void
|
| 412 |
TkpInitKeymapInfo(dispPtr)
|
| 413 |
TkDisplay *dispPtr; /* Display for which to recompute keymap
|
| 414 |
* information. */
|
| 415 |
{
|
| 416 |
XModifierKeymap *modMapPtr;
|
| 417 |
KeyCode *codePtr;
|
| 418 |
KeySym keysym;
|
| 419 |
int count, i, j, max, arraySize;
|
| 420 |
#define KEYCODE_ARRAY_SIZE 20
|
| 421 |
|
| 422 |
dispPtr->bindInfoStale = 0;
|
| 423 |
modMapPtr = XGetModifierMapping(dispPtr->display);
|
| 424 |
|
| 425 |
/*
|
| 426 |
* Check the keycodes associated with the Lock modifier. If
|
| 427 |
* any of them is associated with the XK_Shift_Lock modifier,
|
| 428 |
* then Lock has to be interpreted as Shift Lock, not Caps Lock.
|
| 429 |
*/
|
| 430 |
|
| 431 |
dispPtr->lockUsage = LU_IGNORE;
|
| 432 |
codePtr = modMapPtr->modifiermap + modMapPtr->max_keypermod*LockMapIndex;
|
| 433 |
for (count = modMapPtr->max_keypermod; count > 0; count--, codePtr++) {
|
| 434 |
if (*codePtr == 0) {
|
| 435 |
continue;
|
| 436 |
}
|
| 437 |
keysym = KeycodeToKeysym(*codePtr, 0, 1);
|
| 438 |
if (keysym == XK_Shift_Lock) {
|
| 439 |
dispPtr->lockUsage = LU_SHIFT;
|
| 440 |
break;
|
| 441 |
}
|
| 442 |
if (keysym == XK_Caps_Lock) {
|
| 443 |
dispPtr->lockUsage = LU_CAPS;
|
| 444 |
break;
|
| 445 |
}
|
| 446 |
}
|
| 447 |
|
| 448 |
/*
|
| 449 |
* Look through the keycodes associated with modifiers to see if
|
| 450 |
* the the "mode switch", "meta", or "alt" keysyms are associated
|
| 451 |
* with any modifiers. If so, remember their modifier mask bits.
|
| 452 |
*/
|
| 453 |
|
| 454 |
dispPtr->modeModMask = 0;
|
| 455 |
dispPtr->metaModMask = 0;
|
| 456 |
dispPtr->altModMask = 0;
|
| 457 |
codePtr = modMapPtr->modifiermap;
|
| 458 |
max = 8*modMapPtr->max_keypermod;
|
| 459 |
for (i = 0; i < max; i++, codePtr++) {
|
| 460 |
if (*codePtr == 0) {
|
| 461 |
continue;
|
| 462 |
}
|
| 463 |
keysym = KeycodeToKeysym(*codePtr, 0, 1);
|
| 464 |
if (keysym == XK_Mode_switch) {
|
| 465 |
dispPtr->modeModMask |= ShiftMask << (i/modMapPtr->max_keypermod);
|
| 466 |
}
|
| 467 |
if ((keysym == XK_Meta_L) || (keysym == XK_Meta_R)) {
|
| 468 |
dispPtr->metaModMask |= ShiftMask << (i/modMapPtr->max_keypermod);
|
| 469 |
}
|
| 470 |
if ((keysym == XK_Alt_L) || (keysym == XK_Alt_R)) {
|
| 471 |
dispPtr->altModMask |= ShiftMask << (i/modMapPtr->max_keypermod);
|
| 472 |
}
|
| 473 |
}
|
| 474 |
|
| 475 |
/*
|
| 476 |
* Create an array of the keycodes for all modifier keys.
|
| 477 |
*/
|
| 478 |
|
| 479 |
if (dispPtr->modKeyCodes != NULL) {
|
| 480 |
ckfree((char *) dispPtr->modKeyCodes);
|
| 481 |
}
|
| 482 |
dispPtr->numModKeyCodes = 0;
|
| 483 |
arraySize = KEYCODE_ARRAY_SIZE;
|
| 484 |
dispPtr->modKeyCodes = (KeyCode *) ckalloc((unsigned)
|
| 485 |
(KEYCODE_ARRAY_SIZE * sizeof(KeyCode)));
|
| 486 |
for (i = 0, codePtr = modMapPtr->modifiermap; i < max; i++, codePtr++) {
|
| 487 |
if (*codePtr == 0) {
|
| 488 |
continue;
|
| 489 |
}
|
| 490 |
|
| 491 |
/*
|
| 492 |
* Make sure that the keycode isn't already in the array.
|
| 493 |
*/
|
| 494 |
|
| 495 |
for (j = 0; j < dispPtr->numModKeyCodes; j++) {
|
| 496 |
if (dispPtr->modKeyCodes[j] == *codePtr) {
|
| 497 |
goto nextModCode;
|
| 498 |
}
|
| 499 |
}
|
| 500 |
if (dispPtr->numModKeyCodes >= arraySize) {
|
| 501 |
KeyCode *new;
|
| 502 |
|
| 503 |
/*
|
| 504 |
* Ran out of space in the array; grow it.
|
| 505 |
*/
|
| 506 |
|
| 507 |
arraySize *= 2;
|
| 508 |
new = (KeyCode *) ckalloc((unsigned)
|
| 509 |
(arraySize * sizeof(KeyCode)));
|
| 510 |
memcpy((VOID *) new, (VOID *) dispPtr->modKeyCodes,
|
| 511 |
(dispPtr->numModKeyCodes * sizeof(KeyCode)));
|
| 512 |
ckfree((char *) dispPtr->modKeyCodes);
|
| 513 |
dispPtr->modKeyCodes = new;
|
| 514 |
}
|
| 515 |
dispPtr->modKeyCodes[dispPtr->numModKeyCodes] = *codePtr;
|
| 516 |
dispPtr->numModKeyCodes++;
|
| 517 |
nextModCode: continue;
|
| 518 |
}
|
| 519 |
XFreeModifiermap(modMapPtr);
|
| 520 |
}
|
| 521 |
|
| 522 |
/*
|
| 523 |
* When mapping from a keysym to a keycode, need
|
| 524 |
* information about the modifier state that should be used
|
| 525 |
* so that when they call XKeycodeToKeysym taking into
|
| 526 |
* account the xkey.state, they will get back the original
|
| 527 |
* keysym.
|
| 528 |
*/
|
| 529 |
|
| 530 |
void
|
| 531 |
TkpSetKeycodeAndState(tkwin, keySym, eventPtr)
|
| 532 |
Tk_Window tkwin;
|
| 533 |
KeySym keySym;
|
| 534 |
XEvent *eventPtr;
|
| 535 |
{
|
| 536 |
int i;
|
| 537 |
SHORT result;
|
| 538 |
int shift;
|
| 539 |
|
| 540 |
eventPtr->xkey.keycode = 0;
|
| 541 |
if (keySym == NoSymbol) {
|
| 542 |
return;
|
| 543 |
}
|
| 544 |
|
| 545 |
/*
|
| 546 |
* We check our private map first for a virtual keycode,
|
| 547 |
* as VkKeyScan will return values that don't map to X
|
| 548 |
* for the "extended" Syms. This may be due to just casting
|
| 549 |
* problems below, but this works.
|
| 550 |
*/
|
| 551 |
for (i = 0; i <= MAX_KEYCODE; i++) {
|
| 552 |
if (keymap[i] == keySym) {
|
| 553 |
eventPtr->xkey.keycode = i;
|
| 554 |
return;
|
| 555 |
}
|
| 556 |
}
|
| 557 |
if (keySym >= 0x20) {
|
| 558 |
result = VkKeyScan((char) keySym);
|
| 559 |
if (result != -1) {
|
| 560 |
shift = result >> 8;
|
| 561 |
if (shift & 1)
|
| 562 |
eventPtr->xkey.state |= ShiftMask;
|
| 563 |
if (shift & 2)
|
| 564 |
eventPtr->xkey.state |= ControlMask;
|
| 565 |
if (shift & 4)
|
| 566 |
eventPtr->xkey.state |= Mod2Mask;
|
| 567 |
eventPtr->xkey.keycode = (KeyCode) (result & 0xff);
|
| 568 |
}
|
| 569 |
}
|
| 570 |
{
|
| 571 |
/* Debug log */
|
| 572 |
FILE *fp = fopen("c:\\temp\\tklog.txt", "a");
|
| 573 |
if (fp != NULL) {
|
| 574 |
fprintf(fp, "TkpSetKeycode. Keycode %d State %d Keysym %d\n", eventPtr->xkey.keycode, eventPtr->xkey.state, keySym);
|
| 575 |
fclose(fp);
|
| 576 |
}
|
| 577 |
}
|
| 578 |
}
|
| 579 |
|
| 580 |
/*
|
| 581 |
*----------------------------------------------------------------------
|
| 582 |
*
|
| 583 |
* XKeysymToKeycode --
|
| 584 |
*
|
| 585 |
* Translate a keysym back into a keycode.
|
| 586 |
*
|
| 587 |
* Results:
|
| 588 |
* Returns the keycode that would generate the specified keysym.
|
| 589 |
*
|
| 590 |
* Side effects:
|
| 591 |
* None.
|
| 592 |
*
|
| 593 |
*----------------------------------------------------------------------
|
| 594 |
*/
|
| 595 |
|
| 596 |
KeyCode
|
| 597 |
XKeysymToKeycode(display, keysym)
|
| 598 |
Display* display;
|
| 599 |
KeySym keysym;
|
| 600 |
{
|
| 601 |
int i;
|
| 602 |
SHORT result;
|
| 603 |
|
| 604 |
/*
|
| 605 |
* We check our private map first for a virtual keycode,
|
| 606 |
* as VkKeyScan will return values that don't map to X
|
| 607 |
* for the "extended" Syms. This may be due to just casting
|
| 608 |
* problems below, but this works.
|
| 609 |
*/
|
| 610 |
if (keysym == NoSymbol) {
|
| 611 |
return 0;
|
| 612 |
}
|
| 613 |
for (i = 0; i <= MAX_KEYCODE; i++) {
|
| 614 |
if (keymap[i] == keysym) {
|
| 615 |
return ((KeyCode) i);
|
| 616 |
}
|
| 617 |
}
|
| 618 |
if (keysym >= 0x20) {
|
| 619 |
result = VkKeyScan((char) keysym);
|
| 620 |
if (result != -1) {
|
| 621 |
return (KeyCode) (result & 0xff);
|
| 622 |
}
|
| 623 |
}
|
| 624 |
|
| 625 |
return 0;
|
| 626 |
}
|
| 627 |
|
| 628 |
/*
|
| 629 |
*----------------------------------------------------------------------
|
| 630 |
*
|
| 631 |
* XGetModifierMapping --
|
| 632 |
*
|
| 633 |
* Fetch the current keycodes used as modifiers.
|
| 634 |
*
|
| 635 |
* Results:
|
| 636 |
* Returns a new modifier map.
|
| 637 |
*
|
| 638 |
* Side effects:
|
| 639 |
* Allocates a new modifier map data structure.
|
| 640 |
*
|
| 641 |
*----------------------------------------------------------------------
|
| 642 |
*/
|
| 643 |
|
| 644 |
XModifierKeymap *
|
| 645 |
XGetModifierMapping(display)
|
| 646 |
Display* display;
|
| 647 |
{
|
| 648 |
XModifierKeymap *map = (XModifierKeymap *)ckalloc(sizeof(XModifierKeymap));
|
| 649 |
|
| 650 |
map->max_keypermod = 1;
|
| 651 |
map->modifiermap = (KeyCode *) ckalloc(sizeof(KeyCode)*8);
|
| 652 |
map->modifiermap[ShiftMapIndex] = VK_SHIFT;
|
| 653 |
map->modifiermap[LockMapIndex] = VK_CAPITAL;
|
| 654 |
map->modifiermap[ControlMapIndex] = VK_CONTROL;
|
| 655 |
map->modifiermap[Mod1MapIndex] = VK_NUMLOCK;
|
| 656 |
map->modifiermap[Mod2MapIndex] = VK_MENU;
|
| 657 |
map->modifiermap[Mod3MapIndex] = VK_SCROLL;
|
| 658 |
map->modifiermap[Mod4MapIndex] = 0;
|
| 659 |
map->modifiermap[Mod5MapIndex] = 0;
|
| 660 |
return map;
|
| 661 |
}
|
| 662 |
|
| 663 |
/*
|
| 664 |
*----------------------------------------------------------------------
|
| 665 |
*
|
| 666 |
* XFreeModifiermap --
|
| 667 |
*
|
| 668 |
* Deallocate a modifier map that was created by
|
| 669 |
* XGetModifierMapping.
|
| 670 |
*
|
| 671 |
* Results:
|
| 672 |
* None.
|
| 673 |
*
|
| 674 |
* Side effects:
|
| 675 |
* Frees the datastructure referenced by modmap.
|
| 676 |
*
|
| 677 |
*----------------------------------------------------------------------
|
| 678 |
*/
|
| 679 |
|
| 680 |
void
|
| 681 |
XFreeModifiermap(modmap)
|
| 682 |
XModifierKeymap* modmap;
|
| 683 |
{
|
| 684 |
ckfree((char *) modmap->modifiermap);
|
| 685 |
ckfree((char *) modmap);
|
| 686 |
}
|
| 687 |
|
| 688 |
/*
|
| 689 |
*----------------------------------------------------------------------
|
| 690 |
*
|
| 691 |
* XStringToKeysym --
|
| 692 |
*
|
| 693 |
* Translate a keysym name to the matching keysym.
|
| 694 |
*
|
| 695 |
* Results:
|
| 696 |
* Returns the keysym. Since this is already handled by
|
| 697 |
* Tk's StringToKeysym function, we just return NoSymbol.
|
| 698 |
*
|
| 699 |
* Side effects:
|
| 700 |
* None.
|
| 701 |
*
|
| 702 |
*----------------------------------------------------------------------
|
| 703 |
*/
|
| 704 |
|
| 705 |
KeySym
|
| 706 |
XStringToKeysym(string)
|
| 707 |
_Xconst char *string;
|
| 708 |
{
|
| 709 |
return NoSymbol;
|
| 710 |
}
|
| 711 |
|
| 712 |
/*
|
| 713 |
*----------------------------------------------------------------------
|
| 714 |
*
|
| 715 |
* XKeysymToString --
|
| 716 |
*
|
| 717 |
* Convert a keysym to character form.
|
| 718 |
*
|
| 719 |
* Results:
|
| 720 |
* Returns NULL, since Tk will have handled this already.
|
| 721 |
*
|
| 722 |
* Side effects:
|
| 723 |
* None.
|
| 724 |
*
|
| 725 |
*----------------------------------------------------------------------
|
| 726 |
*/
|
| 727 |
|
| 728 |
char *
|
| 729 |
XKeysymToString(keysym)
|
| 730 |
KeySym keysym;
|
| 731 |
{
|
| 732 |
return NULL;
|
| 733 |
}
|
| 734 |
|
| 735 |
|
| 736 |
/* $History: tkWinKey.c $
|
| 737 |
*
|
| 738 |
* ***************** Version 1 *****************
|
| 739 |
* User: Dtashley Date: 1/02/01 Time: 3:14a
|
| 740 |
* Created in $/IjuScripter, IjuConsole/Source/Tk Base
|
| 741 |
* Initial check-in.
|
| 742 |
*/
|
| 743 |
|
| 744 |
/* End of TKWINKEY.C */ |
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