593 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			593 lines
		
	
	
		
			15 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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 *
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 *Permission is hereby granted, free of charge, to any person obtaining
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 * a copy of this software and associated documentation files (the
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 *"Software"), to deal in the Software without restriction, including
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 *without limitation the rights to use, copy, modify, merge, publish,
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 *distribute, sublicense, and/or sell copies of the Software, and to
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 *permit persons to whom the Software is furnished to do so, subject to
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 *the following conditions:
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 *
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 *The above copyright notice and this permission notice shall be
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 *included in all copies or substantial portions of the Software.
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 *
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 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *Except as contained in this notice, the name of the XFree86 Project
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 *shall not be used in advertising or otherwise to promote the sale, use
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 *or other dealings in this Software without prior written authorization
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 *from the XFree86 Project.
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 *
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 * Authors:	Dakshinamurthy Karra
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 *		Suhaib M Siddiqi
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 *		Peter Busch
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 *		Harold L Hunt II
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 */
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include "win.h"
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#include "winkeybd.h"
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#include "winconfig.h"
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#include "winmsg.h"
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#include "xkbsrv.h"
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static Bool g_winKeyState[NUM_KEYCODES];
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/*
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 * Local prototypes
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 */
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static void
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winGetKeyMappings (KeySymsPtr pKeySyms, CARD8 *pModMap);
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static void
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winKeybdBell (int iPercent, DeviceIntPtr pDeviceInt,
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	      pointer pCtrl, int iClass);
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static void
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winKeybdCtrl (DeviceIntPtr pDevice, KeybdCtrl *pCtrl);
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/* 
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 * Translate a Windows WM_[SYS]KEY(UP/DOWN) message
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 * into an ASCII scan code.
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 *
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 * We do this ourselves, rather than letting Windows handle it,
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 * because Windows tends to munge the handling of special keys,
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 * like AltGr on European keyboards.
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 */
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void
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winTranslateKey (WPARAM wParam, LPARAM lParam, int *piScanCode)
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{
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  int		iKeyFixup = g_iKeyMap[wParam * WIN_KEYMAP_COLS + 1];
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  int		iKeyFixupEx = g_iKeyMap[wParam * WIN_KEYMAP_COLS + 2];
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  int		iParamScanCode = LOBYTE (HIWORD (lParam));
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  /* Branch on special extended, special non-extended, or normal key */
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  if ((HIWORD (lParam) & KF_EXTENDED) && iKeyFixupEx)
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    *piScanCode = iKeyFixupEx;
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  else if (iKeyFixup)
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    *piScanCode = iKeyFixup;
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  else if (wParam == 0 && iParamScanCode == 0x70)
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    *piScanCode = KEY_HKTG;
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  else
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    switch (iParamScanCode)
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    {
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      case 0x70:
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        *piScanCode = KEY_HKTG;
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        break;
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      case 0x73:
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        *piScanCode = KEY_BSlash2;
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        break;
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      default: 
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        *piScanCode = iParamScanCode;
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        break;
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    }
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}
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/*
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 * We call this function from winKeybdProc when we are
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 * initializing the keyboard.
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 */
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static void
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winGetKeyMappings (KeySymsPtr pKeySyms, CARD8 *pModMap)
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{
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  int			i;
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  KeySym		*pMap = map;
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  KeySym		*pKeySym;
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  /*
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   * Initialize all key states to up... which may not be true
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   * but it is close enough.
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   */
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  ZeroMemory (g_winKeyState, sizeof (g_winKeyState[0]) * NUM_KEYCODES);
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  /* MAP_LENGTH is defined in Xserver/include/input.h to be 256 */
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  for (i = 0; i < MAP_LENGTH; i++)
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    pModMap[i] = NoSymbol;  /* make sure it is restored */
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  /* Loop through all valid entries in the key symbol table */
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  for (pKeySym = pMap, i = MIN_KEYCODE;
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       i < (MIN_KEYCODE + NUM_KEYCODES);
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       i++, pKeySym += GLYPHS_PER_KEY)
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    {
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      switch (*pKeySym)
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	{
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	case XK_Shift_L:
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	case XK_Shift_R:
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	  pModMap[i] = ShiftMask;
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	  break;
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	case XK_Control_L:
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	case XK_Control_R:
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	  pModMap[i] = ControlMask;
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	  break;
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	case XK_Caps_Lock:
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	  pModMap[i] = LockMask;
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	  break;
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	case XK_Alt_L:
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	case XK_Alt_R:
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	  pModMap[i] = AltMask;
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	  break;
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	case XK_Num_Lock:
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	  pModMap[i] = NumLockMask;
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	  break;
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	case XK_Scroll_Lock:
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	  pModMap[i] = ScrollLockMask;
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	  break;
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#if 0
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	case XK_Super_L:
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	case XK_Super_R:
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	  pModMap[i] = Mod4Mask;
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	  break;
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#else
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	/* Hirigana/Katakana toggle */
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	case XK_Kana_Lock:
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	case XK_Kana_Shift:
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	  pModMap[i] = KanaMask;
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	  break;
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#endif
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	/* alternate toggle for multinational support */
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	case XK_Mode_switch:
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	  pModMap[i] = AltLangMask;
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	  break;
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	}
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    }
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  pKeySyms->map        = (KeySym *) pMap;
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  pKeySyms->mapWidth   = GLYPHS_PER_KEY;
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  pKeySyms->minKeyCode = MIN_KEYCODE;
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  pKeySyms->maxKeyCode = MAX_KEYCODE;
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}
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/* Ring the keyboard bell (system speaker on PCs) */
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static void
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winKeybdBell (int iPercent, DeviceIntPtr pDeviceInt,
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	      pointer pCtrl, int iClass)
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{
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  /*
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   * We can't use Beep () here because it uses the PC speaker
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   * on NT/2000.  MessageBeep (MB_OK) will play the default system
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   * sound on systems with a sound card or it will beep the PC speaker
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   * on systems that do not have a sound card.
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   */
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  MessageBeep (MB_OK);
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}
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/* Change some keyboard configuration parameters */
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static void
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winKeybdCtrl (DeviceIntPtr pDevice, KeybdCtrl *pCtrl)
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{
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}
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/* 
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 * See Porting Layer Definition - p. 18
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 * winKeybdProc is known as a DeviceProc.
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 */
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int
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winKeybdProc (DeviceIntPtr pDeviceInt, int iState)
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{
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  DevicePtr		pDevice = (DevicePtr) pDeviceInt;
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  XkbSrvInfoPtr       xkbi;
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  XkbControlsPtr      ctrl;
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  switch (iState)
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    {
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    case DEVICE_INIT:
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      winConfigKeyboard (pDeviceInt);
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      /* FIXME: Maybe we should use winGetKbdLeds () here? */
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      defaultKeyboardControl.leds = g_winInfo.keyboard.leds;
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      winErrorFVerb(2, "Rules = \"%s\" Model = \"%s\" Layout = \"%s\""
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                    " Variant = \"%s\" Options = \"%s\"\n",
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                    g_winInfo.xkb.rules ? g_winInfo.xkb.rules : "none",
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                    g_winInfo.xkb.model ? g_winInfo.xkb.model : "none",
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                    g_winInfo.xkb.layout ? g_winInfo.xkb.layout : "none",
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                    g_winInfo.xkb.variant ? g_winInfo.xkb.variant : "none",
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                    g_winInfo.xkb.options ? g_winInfo.xkb.options : "none");
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      InitKeyboardDeviceStruct (pDeviceInt,
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                                &g_winInfo.xkb,
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                                winKeybdBell,
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                                winKeybdCtrl);
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      xkbi = pDeviceInt->key->xkbInfo;
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      if ((xkbi != NULL) && (xkbi->desc != NULL))
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        {
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          ctrl = xkbi->desc->ctrls;
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          ctrl->repeat_delay = g_winInfo.keyboard.delay;
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          ctrl->repeat_interval = 1000/g_winInfo.keyboard.rate;
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        }
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      else
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        {
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          winErrorFVerb (1, "winKeybdProc - Error initializing keyboard AutoRepeat\n");
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        }
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      break;
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    case DEVICE_ON: 
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      pDevice->on = TRUE;
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      break;
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    case DEVICE_CLOSE:
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    case DEVICE_OFF: 
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      pDevice->on = FALSE;
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      break;
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    }
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  return Success;
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}
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/*
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 * Detect current mode key states upon server startup.
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 *
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 * Simulate a press and release of any key that is currently
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 * toggled.
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 */
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void
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winInitializeModeKeyStates (void)
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{
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  /* Restore NumLock */
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  if (GetKeyState (VK_NUMLOCK) & 0x0001)
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    {
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      winSendKeyEvent (KEY_NumLock, TRUE);
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      winSendKeyEvent (KEY_NumLock, FALSE);
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    }
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  /* Restore CapsLock */
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  if (GetKeyState (VK_CAPITAL) & 0x0001)
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    {
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      winSendKeyEvent (KEY_CapsLock, TRUE);
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      winSendKeyEvent (KEY_CapsLock, FALSE);
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    }
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  /* Restore ScrollLock */
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  if (GetKeyState (VK_SCROLL) & 0x0001)
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    {
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      winSendKeyEvent (KEY_ScrollLock, TRUE);
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      winSendKeyEvent (KEY_ScrollLock, FALSE);
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    }
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  /* Restore KanaLock */
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  if (GetKeyState (VK_KANA) & 0x0001)
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    {
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      winSendKeyEvent (KEY_HKTG, TRUE);
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      winSendKeyEvent (KEY_HKTG, FALSE);
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    }
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}
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/*
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 * Upon regaining the keyboard focus we must
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 * resynchronize our internal mode key states
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 * with the actual state of the keys.
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 */
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void
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winRestoreModeKeyStates (void)
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{
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  DWORD			dwKeyState;
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  BOOL			processEvents = TRUE;
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  unsigned short	internalKeyStates;
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  /* X server is being initialized */
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  if (!inputInfo.keyboard)
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    return;
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  /* Only process events if the rootwindow is mapped. The keyboard events
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   * will cause segfaults otherwise */
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  if (WindowTable && WindowTable[0] && WindowTable[0]->mapped == FALSE)
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    processEvents = FALSE;    
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  /* Force to process all pending events in the mi event queue */
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  if (processEvents)
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    mieqProcessInputEvents ();
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  /* Read the mode key states of our X server */
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  /* (stored in the virtual core keyboard) */
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  internalKeyStates = XkbStateFieldFromRec(&inputInfo.keyboard->key->xkbInfo->state);
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  winDebug("winRestoreModeKeyStates: state %d\n", internalKeyStates);
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  /* 
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   * NOTE: The C XOR operator, ^, will not work here because it is
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   * a bitwise operator, not a logical operator.  C does not
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   * have a logical XOR operator, so we use a macro instead.
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   */
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  /* Has the key state changed? */
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  dwKeyState = GetKeyState (VK_NUMLOCK) & 0x0001;
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  if (WIN_XOR (internalKeyStates & NumLockMask, dwKeyState))
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    {
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      winSendKeyEvent (KEY_NumLock, TRUE);
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      winSendKeyEvent (KEY_NumLock, FALSE);
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    }
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  /* Has the key state changed? */
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  dwKeyState = GetKeyState (VK_CAPITAL) & 0x0001;
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  if (WIN_XOR (internalKeyStates & LockMask, dwKeyState))
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    {
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      winSendKeyEvent (KEY_CapsLock, TRUE);
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      winSendKeyEvent (KEY_CapsLock, FALSE);
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    }
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  /* Has the key state changed? */
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  dwKeyState = GetKeyState (VK_SCROLL) & 0x0001;
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  if (WIN_XOR (internalKeyStates & ScrollLockMask, dwKeyState))
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    {
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      winSendKeyEvent (KEY_ScrollLock, TRUE);
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      winSendKeyEvent (KEY_ScrollLock, FALSE);
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    }
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  /* Has the key state changed? */
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  dwKeyState = GetKeyState (VK_KANA) & 0x0001;
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  if (WIN_XOR (internalKeyStates & KanaMask, dwKeyState))
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    {
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      winSendKeyEvent (KEY_HKTG, TRUE);
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      winSendKeyEvent (KEY_HKTG, FALSE);
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    }
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}
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/*
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 * Look for the lovely fake Control_L press/release generated by Windows
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 * when AltGr is pressed/released on a non-U.S. keyboard.
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 */
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Bool
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winIsFakeCtrl_L (UINT message, WPARAM wParam, LPARAM lParam)
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{
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  MSG		msgNext;
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  LONG		lTime;
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  Bool		fReturn;
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  /*
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   * Fake Ctrl_L presses will be followed by an Alt_R keypress
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   * with the same timestamp as the Ctrl_L press.
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   */
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  if ((message == WM_KEYDOWN || message == WM_SYSKEYDOWN)
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      && wParam == VK_CONTROL
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      && (HIWORD (lParam) & KF_EXTENDED) == 0)
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    {
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      /* Got a Ctrl_L press */
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      /* Get time of current message */
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      lTime = GetMessageTime ();
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      /* Look for fake Ctrl_L preceeding an Alt_R press. */
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      fReturn = PeekMessage (&msgNext, NULL,
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			     WM_KEYDOWN, WM_SYSKEYDOWN,
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			     PM_NOREMOVE);
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      /*
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       * Try again if the first call fails.
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       * NOTE: This usually happens when TweakUI is enabled.
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       */
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      if (!fReturn)
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	{
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	  /* Voodoo to make sure that the Alt_R message has posted */
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	  Sleep (0);
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	  /* Look for fake Ctrl_L preceeding an Alt_R press. */
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	  fReturn = PeekMessage (&msgNext, NULL,
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				 WM_KEYDOWN, WM_SYSKEYDOWN,
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				 PM_NOREMOVE);
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	}
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      if (msgNext.message != WM_KEYDOWN && msgNext.message != WM_SYSKEYDOWN)
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          fReturn = 0;
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      /* Is next press an Alt_R with the same timestamp? */
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      if (fReturn && msgNext.wParam == VK_MENU
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	  && msgNext.time == lTime
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	  && (HIWORD (msgNext.lParam) & KF_EXTENDED))
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	{
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	  /* 
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	   * Next key press is Alt_R with same timestamp as current
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	   * Ctrl_L message.  Therefore, this Ctrl_L press is a fake
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	   * event, so discard it.
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	   */
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	  return TRUE;
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	}
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    }
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 | 
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  /* 
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   * Fake Ctrl_L releases will be followed by an Alt_R release
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   * with the same timestamp as the Ctrl_L release.
 | 
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   */
 | 
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  if ((message == WM_KEYUP || message == WM_SYSKEYUP)
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      && wParam == VK_CONTROL
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      && (HIWORD (lParam) & KF_EXTENDED) == 0)
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    {
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      /* Got a Ctrl_L release */
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      /* Get time of current message */
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      lTime = GetMessageTime ();
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      /* Look for fake Ctrl_L release preceeding an Alt_R release. */
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      fReturn = PeekMessage (&msgNext, NULL,
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			     WM_KEYUP, WM_SYSKEYUP, 
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			     PM_NOREMOVE);
 | 
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 | 
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      /*
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       * Try again if the first call fails.
 | 
						|
       * NOTE: This usually happens when TweakUI is enabled.
 | 
						|
       */
 | 
						|
      if (!fReturn)
 | 
						|
	{
 | 
						|
	  /* Voodoo to make sure that the Alt_R message has posted */
 | 
						|
	  Sleep (0);
 | 
						|
 | 
						|
	  /* Look for fake Ctrl_L release preceeding an Alt_R release. */
 | 
						|
	  fReturn = PeekMessage (&msgNext, NULL,
 | 
						|
				 WM_KEYUP, WM_SYSKEYUP, 
 | 
						|
				 PM_NOREMOVE);
 | 
						|
	}
 | 
						|
 | 
						|
      if (msgNext.message != WM_KEYUP && msgNext.message != WM_SYSKEYUP)
 | 
						|
          fReturn = 0;
 | 
						|
      
 | 
						|
      /* Is next press an Alt_R with the same timestamp? */
 | 
						|
      if (fReturn
 | 
						|
	  && (msgNext.message == WM_KEYUP
 | 
						|
	      || msgNext.message == WM_SYSKEYUP)
 | 
						|
	  && msgNext.wParam == VK_MENU
 | 
						|
	  && msgNext.time == lTime
 | 
						|
	  && (HIWORD (msgNext.lParam) & KF_EXTENDED))
 | 
						|
	{
 | 
						|
	  /*
 | 
						|
	   * Next key release is Alt_R with same timestamp as current
 | 
						|
	   * Ctrl_L message. Therefore, this Ctrl_L release is a fake
 | 
						|
	   * event, so discard it.
 | 
						|
	   */
 | 
						|
	  return TRUE;
 | 
						|
	}
 | 
						|
    }
 | 
						|
  
 | 
						|
  /* Not a fake control left press/release */
 | 
						|
  return FALSE;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Lift any modifier keys that are pressed
 | 
						|
 */
 | 
						|
 | 
						|
void
 | 
						|
winKeybdReleaseKeys (void)
 | 
						|
{
 | 
						|
  int				i;
 | 
						|
 | 
						|
#ifdef HAS_DEVWINDOWS
 | 
						|
  /* Verify that the mi input system has been initialized */
 | 
						|
  if (g_fdMessageQueue == WIN_FD_INVALID)
 | 
						|
    return;
 | 
						|
#endif
 | 
						|
 | 
						|
  /* Loop through all keys */
 | 
						|
  for (i = 0; i < NUM_KEYCODES; ++i)
 | 
						|
    {
 | 
						|
      /* Pop key if pressed */
 | 
						|
      if (g_winKeyState[i])
 | 
						|
	winSendKeyEvent (i, FALSE);
 | 
						|
 | 
						|
      /* Reset pressed flag for keys */
 | 
						|
      g_winKeyState[i] = FALSE;
 | 
						|
    }
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*
 | 
						|
 * Take a raw X key code and send an up or down event for it.
 | 
						|
 *
 | 
						|
 * Thanks to VNC for inspiration, though it is a simple function.
 | 
						|
 */
 | 
						|
 | 
						|
void
 | 
						|
winSendKeyEvent (DWORD dwKey, Bool fDown)
 | 
						|
{
 | 
						|
  EventListPtr events;
 | 
						|
  int i, nevents;
 | 
						|
 | 
						|
  /*
 | 
						|
   * When alt-tabing between screens we can get phantom key up messages
 | 
						|
   * Here we only pass them through it we think we should!
 | 
						|
   */
 | 
						|
  if (g_winKeyState[dwKey] == FALSE && fDown == FALSE) return;
 | 
						|
 | 
						|
  /* Update the keyState map */
 | 
						|
  g_winKeyState[dwKey] = fDown;
 | 
						|
 | 
						|
  GetEventList(&events);
 | 
						|
  nevents = GetKeyboardEvents(events, g_pwinKeyboard, fDown ? KeyPress : KeyRelease, dwKey + MIN_KEYCODE);
 | 
						|
 | 
						|
  for (i = 0; i < nevents; i++)
 | 
						|
    mieqEnqueue(g_pwinKeyboard, events[i].event);
 | 
						|
 | 
						|
#if CYGDEBUG
 | 
						|
  ErrorF("winSendKeyEvent: dwKey: %d, fDown: %d, nEvents %d\n",
 | 
						|
          dwKey, fDown, nevents);
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
BOOL winCheckKeyPressed(WPARAM wParam, LPARAM lParam)
 | 
						|
{
 | 
						|
  switch (wParam)
 | 
						|
  {
 | 
						|
    case VK_CONTROL:
 | 
						|
      if ((lParam & 0x1ff0000) == 0x11d0000 && g_winKeyState[KEY_RCtrl])
 | 
						|
        return TRUE;
 | 
						|
      if ((lParam & 0x1ff0000) == 0x01d0000 && g_winKeyState[KEY_LCtrl])
 | 
						|
        return TRUE;
 | 
						|
      break;
 | 
						|
    case VK_SHIFT:
 | 
						|
      if ((lParam & 0x1ff0000) == 0x0360000 && g_winKeyState[KEY_ShiftR])
 | 
						|
        return TRUE;
 | 
						|
      if ((lParam & 0x1ff0000) == 0x02a0000 && g_winKeyState[KEY_ShiftL])
 | 
						|
        return TRUE;
 | 
						|
      break;
 | 
						|
    default:
 | 
						|
      return TRUE;
 | 
						|
  }
 | 
						|
  return FALSE;
 | 
						|
}
 | 
						|
 | 
						|
/* Only on shift release message is sent even if both are pressed.
 | 
						|
 * Fix this here 
 | 
						|
 */
 | 
						|
void winFixShiftKeys (int iScanCode)
 | 
						|
{
 | 
						|
  if (GetKeyState (VK_SHIFT) & 0x8000)
 | 
						|
    return;
 | 
						|
 | 
						|
  if (iScanCode == KEY_ShiftL && g_winKeyState[KEY_ShiftR])
 | 
						|
    winSendKeyEvent (KEY_ShiftR, FALSE);
 | 
						|
  if (iScanCode == KEY_ShiftR && g_winKeyState[KEY_ShiftL])
 | 
						|
    winSendKeyEvent (KEY_ShiftL, FALSE);
 | 
						|
}
 |