diff options
Diffstat (limited to 'xorg-server/hw/xwin/winkeybd.c')
| -rw-r--r-- | xorg-server/hw/xwin/winkeybd.c | 637 |
1 files changed, 637 insertions, 0 deletions
diff --git a/xorg-server/hw/xwin/winkeybd.c b/xorg-server/hw/xwin/winkeybd.c new file mode 100644 index 000000000..d574f2053 --- /dev/null +++ b/xorg-server/hw/xwin/winkeybd.c @@ -0,0 +1,637 @@ +/* + *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + * + *Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + *"Software"), to deal in the Software without restriction, including + *without limitation the rights to use, copy, modify, merge, publish, + *distribute, sublicense, and/or sell copies of the Software, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *The above copyright notice and this permission notice shall be + *included in all copies or substantial portions of the Software. + * + *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR + *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + *Except as contained in this notice, the name of the XFree86 Project + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from the XFree86 Project. + * + * Authors: Dakshinamurthy Karra + * Suhaib M Siddiqi + * Peter Busch + * Harold L Hunt II + */ + + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" +#include "winkeybd.h" +#include "winconfig.h" +#include "winmsg.h" + +#ifdef XKB +#ifndef XKB_IN_SERVER +#define XKB_IN_SERVER +#endif +#include <xkbsrv.h> +#endif + +static Bool g_winKeyState[NUM_KEYCODES]; + +/* Stored to get internal mode key states. Must be read-only. */ +static unsigned short const *g_winInternalModeKeyStatesPtr = NULL; + + +/* + * Local prototypes + */ + +static void +winGetKeyMappings (KeySymsPtr pKeySyms, CARD8 *pModMap); + +static void +winKeybdBell (int iPercent, DeviceIntPtr pDeviceInt, + pointer pCtrl, int iClass); + +static void +winKeybdCtrl (DeviceIntPtr pDevice, KeybdCtrl *pCtrl); + + +/* + * Translate a Windows WM_[SYS]KEY(UP/DOWN) message + * into an ASCII scan code. + * + * We do this ourselves, rather than letting Windows handle it, + * because Windows tends to munge the handling of special keys, + * like AltGr on European keyboards. + */ + +void +winTranslateKey (WPARAM wParam, LPARAM lParam, int *piScanCode) +{ + int iKeyFixup = g_iKeyMap[wParam * WIN_KEYMAP_COLS + 1]; + int iKeyFixupEx = g_iKeyMap[wParam * WIN_KEYMAP_COLS + 2]; + int iParamScanCode = LOBYTE (HIWORD (lParam)); + + /* Branch on special extended, special non-extended, or normal key */ + if ((HIWORD (lParam) & KF_EXTENDED) && iKeyFixupEx) + *piScanCode = iKeyFixupEx; + else if (iKeyFixup) + *piScanCode = iKeyFixup; + else if (wParam == 0 && iParamScanCode == 0x70) + *piScanCode = KEY_HKTG; + else + switch (iParamScanCode) + { + case 0x70: + *piScanCode = KEY_HKTG; + break; + case 0x73: + *piScanCode = KEY_BSlash2; + break; + default: + *piScanCode = iParamScanCode; + break; + } +} + + +/* + * We call this function from winKeybdProc when we are + * initializing the keyboard. + */ + +static void +winGetKeyMappings (KeySymsPtr pKeySyms, CARD8 *pModMap) +{ + int i; + KeySym *pMap = map; + KeySym *pKeySym; + + /* + * Initialize all key states to up... which may not be true + * but it is close enough. + */ + ZeroMemory (g_winKeyState, sizeof (g_winKeyState[0]) * NUM_KEYCODES); + + /* MAP_LENGTH is defined in Xserver/include/input.h to be 256 */ + for (i = 0; i < MAP_LENGTH; i++) + pModMap[i] = NoSymbol; /* make sure it is restored */ + + /* Loop through all valid entries in the key symbol table */ + for (pKeySym = pMap, i = MIN_KEYCODE; + i < (MIN_KEYCODE + NUM_KEYCODES); + i++, pKeySym += GLYPHS_PER_KEY) + { + switch (*pKeySym) + { + case XK_Shift_L: + case XK_Shift_R: + pModMap[i] = ShiftMask; + break; + + case XK_Control_L: + case XK_Control_R: + pModMap[i] = ControlMask; + break; + + case XK_Caps_Lock: + pModMap[i] = LockMask; + break; + + case XK_Alt_L: + case XK_Alt_R: + pModMap[i] = AltMask; + break; + + case XK_Num_Lock: + pModMap[i] = NumLockMask; + break; + + case XK_Scroll_Lock: + pModMap[i] = ScrollLockMask; + break; + +#if 0 + case XK_Super_L: + case XK_Super_R: + pModMap[i] = Mod4Mask; + break; +#else + /* Hirigana/Katakana toggle */ + case XK_Kana_Lock: + case XK_Kana_Shift: + pModMap[i] = KanaMask; + break; +#endif + + /* alternate toggle for multinational support */ + case XK_Mode_switch: + pModMap[i] = AltLangMask; + break; + } + } + + pKeySyms->map = (KeySym *) pMap; + pKeySyms->mapWidth = GLYPHS_PER_KEY; + pKeySyms->minKeyCode = MIN_KEYCODE; + pKeySyms->maxKeyCode = MAX_KEYCODE; +} + + +/* Ring the keyboard bell (system speaker on PCs) */ +static void +winKeybdBell (int iPercent, DeviceIntPtr pDeviceInt, + pointer pCtrl, int iClass) +{ + /* + * We can't use Beep () here because it uses the PC speaker + * on NT/2000. MessageBeep (MB_OK) will play the default system + * sound on systems with a sound card or it will beep the PC speaker + * on systems that do not have a sound card. + */ + MessageBeep (MB_OK); +} + + +/* Change some keyboard configuration parameters */ +static void +winKeybdCtrl (DeviceIntPtr pDevice, KeybdCtrl *pCtrl) +{ + g_winInternalModeKeyStatesPtr = &(pDevice->key->state); +} + + +/* + * See Porting Layer Definition - p. 18 + * winKeybdProc is known as a DeviceProc. + */ + +int +winKeybdProc (DeviceIntPtr pDeviceInt, int iState) +{ + KeySymsRec keySyms; + CARD8 modMap[MAP_LENGTH]; + DevicePtr pDevice = (DevicePtr) pDeviceInt; +#ifdef XKB + XkbComponentNamesRec names; + XkbSrvInfoPtr xkbi; + XkbControlsPtr ctrl; +#endif + + switch (iState) + { + case DEVICE_INIT: + winConfigKeyboard (pDeviceInt); + + winGetKeyMappings (&keySyms, modMap); + +#ifdef XKB + /* FIXME: Maybe we should use winGetKbdLeds () here? */ + defaultKeyboardControl.leds = g_winInfo.keyboard.leds; +#else + defaultKeyboardControl.leds = g_winInfo.keyboard.leds; +#endif + +#ifdef XKB + if (g_winInfo.xkb.disable) + { +#endif + InitKeyboardDeviceStruct (pDevice, + &keySyms, + modMap, + winKeybdBell, + winKeybdCtrl); +#ifdef XKB + } + else + { + + names.keymap = g_winInfo.xkb.keymap; + names.keycodes = g_winInfo.xkb.keycodes; + names.types = g_winInfo.xkb.types; + names.compat = g_winInfo.xkb.compat; + names.symbols = g_winInfo.xkb.symbols; + names.geometry = g_winInfo.xkb.geometry; + + winErrorFVerb(2, "Rules = \"%s\" Model = \"%s\" Layout = \"%s\"" + " Variant = \"%s\" Options = \"%s\"\n", + g_winInfo.xkb.rules, g_winInfo.xkb.model, + g_winInfo.xkb.layout, g_winInfo.xkb.variant, + g_winInfo.xkb.options); + + XkbSetRulesDflts (g_winInfo.xkb.rules, g_winInfo.xkb.model, + g_winInfo.xkb.layout, g_winInfo.xkb.variant, + g_winInfo.xkb.options); + XkbInitKeyboardDeviceStruct (pDeviceInt, &names, &keySyms, + modMap, winKeybdBell, winKeybdCtrl); + } +#endif + +#ifdef XKB + if (!g_winInfo.xkb.disable) + { + xkbi = pDeviceInt->key->xkbInfo; + if (xkbi != NULL) + { + ctrl = xkbi->desc->ctrls; + ctrl->repeat_delay = g_winInfo.keyboard.delay; + ctrl->repeat_interval = 1000/g_winInfo.keyboard.rate; + } + else + { + winErrorFVerb (1, "winKeybdProc - Error initializing keyboard AutoRepeat (No XKB)\n"); + } + } +#endif + + g_winInternalModeKeyStatesPtr = &(pDeviceInt->key->state); + break; + + case DEVICE_ON: + pDevice->on = TRUE; + g_winInternalModeKeyStatesPtr = &(pDeviceInt->key->state); + break; + + case DEVICE_CLOSE: + case DEVICE_OFF: + pDevice->on = FALSE; + g_winInternalModeKeyStatesPtr = NULL; + break; + } + + return Success; +} + + +/* + * Detect current mode key states upon server startup. + * + * Simulate a press and release of any key that is currently + * toggled. + */ + +void +winInitializeModeKeyStates (void) +{ + /* Restore NumLock */ + if (GetKeyState (VK_NUMLOCK) & 0x0001) + { + winSendKeyEvent (KEY_NumLock, TRUE); + winSendKeyEvent (KEY_NumLock, FALSE); + } + + /* Restore CapsLock */ + if (GetKeyState (VK_CAPITAL) & 0x0001) + { + winSendKeyEvent (KEY_CapsLock, TRUE); + winSendKeyEvent (KEY_CapsLock, FALSE); + } + + /* Restore ScrollLock */ + if (GetKeyState (VK_SCROLL) & 0x0001) + { + winSendKeyEvent (KEY_ScrollLock, TRUE); + winSendKeyEvent (KEY_ScrollLock, FALSE); + } + + /* Restore KanaLock */ + if (GetKeyState (VK_KANA) & 0x0001) + { + winSendKeyEvent (KEY_HKTG, TRUE); + winSendKeyEvent (KEY_HKTG, FALSE); + } +} + + +/* + * Upon regaining the keyboard focus we must + * resynchronize our internal mode key states + * with the actual state of the keys. + */ + +void +winRestoreModeKeyStates () +{ + DWORD dwKeyState; + BOOL processEvents = TRUE; + unsigned short internalKeyStates; + + /* X server is being initialized */ + if (!g_winInternalModeKeyStatesPtr) + return; + + /* Only process events if the rootwindow is mapped. The keyboard events + * will cause segfaults otherwise */ + if (WindowTable && WindowTable[0] && WindowTable[0]->mapped == FALSE) + processEvents = FALSE; + + /* Force to process all pending events in the mi event queue */ + if (processEvents) + mieqProcessInputEvents (); + + /* Read the mode key states of our X server */ + internalKeyStates = *g_winInternalModeKeyStatesPtr; + + /* + * NOTE: The C XOR operator, ^, will not work here because it is + * a bitwise operator, not a logical operator. C does not + * have a logical XOR operator, so we use a macro instead. + */ + + /* Has the key state changed? */ + dwKeyState = GetKeyState (VK_NUMLOCK) & 0x0001; + if (WIN_XOR (internalKeyStates & NumLockMask, dwKeyState)) + { + winSendKeyEvent (KEY_NumLock, TRUE); + winSendKeyEvent (KEY_NumLock, FALSE); + } + + /* Has the key state changed? */ + dwKeyState = GetKeyState (VK_CAPITAL) & 0x0001; + if (WIN_XOR (internalKeyStates & LockMask, dwKeyState)) + { + winSendKeyEvent (KEY_CapsLock, TRUE); + winSendKeyEvent (KEY_CapsLock, FALSE); + } + + /* Has the key state changed? */ + dwKeyState = GetKeyState (VK_SCROLL) & 0x0001; + if (WIN_XOR (internalKeyStates & ScrollLockMask, dwKeyState)) + { + winSendKeyEvent (KEY_ScrollLock, TRUE); + winSendKeyEvent (KEY_ScrollLock, FALSE); + } + + /* Has the key state changed? */ + dwKeyState = GetKeyState (VK_KANA) & 0x0001; + if (WIN_XOR (internalKeyStates & KanaMask, dwKeyState)) + { + winSendKeyEvent (KEY_HKTG, TRUE); + winSendKeyEvent (KEY_HKTG, FALSE); + } +} + + +/* + * Look for the lovely fake Control_L press/release generated by Windows + * when AltGr is pressed/released on a non-U.S. keyboard. + */ + +Bool +winIsFakeCtrl_L (UINT message, WPARAM wParam, LPARAM lParam) +{ + MSG msgNext; + LONG lTime; + Bool fReturn; + + /* + * Fake Ctrl_L presses will be followed by an Alt_R keypress + * with the same timestamp as the Ctrl_L press. + */ + if ((message == WM_KEYDOWN || message == WM_SYSKEYDOWN) + && wParam == VK_CONTROL + && (HIWORD (lParam) & KF_EXTENDED) == 0) + { + /* Got a Ctrl_L press */ + + /* Get time of current message */ + lTime = GetMessageTime (); + + /* Look for fake Ctrl_L preceeding an Alt_R press. */ + fReturn = PeekMessage (&msgNext, NULL, + WM_KEYDOWN, WM_SYSKEYDOWN, + PM_NOREMOVE); + + /* + * 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 preceeding an Alt_R press. */ + fReturn = PeekMessage (&msgNext, NULL, + WM_KEYDOWN, WM_SYSKEYDOWN, + PM_NOREMOVE); + } + if (msgNext.message != WM_KEYDOWN && msgNext.message != WM_SYSKEYDOWN) + fReturn = 0; + + /* Is next press an Alt_R with the same timestamp? */ + if (fReturn && msgNext.wParam == VK_MENU + && msgNext.time == lTime + && (HIWORD (msgNext.lParam) & KF_EXTENDED)) + { + /* + * Next key press is Alt_R with same timestamp as current + * Ctrl_L message. Therefore, this Ctrl_L press is a fake + * event, so discard it. + */ + return TRUE; + } + } + + /* + * Fake Ctrl_L releases will be followed by an Alt_R release + * with the same timestamp as the Ctrl_L release. + */ + if ((message == WM_KEYUP || message == WM_SYSKEYUP) + && wParam == VK_CONTROL + && (HIWORD (lParam) & KF_EXTENDED) == 0) + { + /* Got a Ctrl_L release */ + + /* Get time of current message */ + lTime = GetMessageTime (); + + /* Look for fake Ctrl_L release preceeding an Alt_R release. */ + fReturn = PeekMessage (&msgNext, NULL, + WM_KEYUP, WM_SYSKEYUP, + PM_NOREMOVE); + + /* + * 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 () +{ + 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) +{ + xEvent xCurrentEvent; + + /* + * 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; + + ZeroMemory (&xCurrentEvent, sizeof (xCurrentEvent)); + + xCurrentEvent.u.u.type = fDown ? KeyPress : KeyRelease; + xCurrentEvent.u.keyButtonPointer.time = + g_c32LastInputEventTime = GetTickCount (); + xCurrentEvent.u.u.detail = dwKey + MIN_KEYCODE; + mieqEnqueue (&xCurrentEvent); +} + +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); +} |