505 lines
15 KiB
C
505 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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winKeybdBell(int iPercent, DeviceIntPtr pDeviceInt, 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 iParam = HIWORD(lParam);
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int iParamScanCode = LOBYTE(iParam);
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winDebug("winTranslateKey: wParam %08x lParam %08x\n", wParam, lParam);
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/* WM_ key messages faked by Vista speech recognition (WSR) don't have a
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* scan code.
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*
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* Vocola 3 (Rick Mohr's supplement to WSR) uses
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* System.Windows.Forms.SendKeys.SendWait(), which appears always to give a
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* scan code of 1
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*/
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if (iParamScanCode <= 1) {
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if (VK_PRIOR <= wParam && wParam <= VK_DOWN)
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/* Trigger special case table to translate to extended
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* keycode, otherwise if num_lock is on, we can get keypad
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* numbers instead of navigation keys. */
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iParam |= KF_EXTENDED;
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else
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iParamScanCode = MapVirtualKeyEx(wParam,
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/*MAPVK_VK_TO_VSC */ 0,
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GetKeyboardLayout(0));
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}
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/* Branch on special extended, special non-extended, or normal key */
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if ((iParam & 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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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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/* Ring the keyboard bell (system speaker on PCs) */
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static void
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winKeybdBell(int iPercent, DeviceIntPtr pDeviceInt, 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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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, winKeybdBell, winKeybdCtrl);
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xkbi = pDeviceInt->key->xkbInfo;
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if ((xkbi != NULL) && (xkbi->desc != NULL)) {
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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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winErrorFVerb(1,
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"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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// immediately copy the state of this keyboard device to the VCK
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// (which otherwise happens lazily after the first keypress)
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CopyKeyClass(pDeviceInt, inputInfo.keyboard);
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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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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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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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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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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 (screenInfo.screens[0]->root &&
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screenInfo.screens[0]->root->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 =
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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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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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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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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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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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static Bool lastWasControlL = FALSE;
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static UINT lastMessage;
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static LONG lastTime;
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/*
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* Fake Ctrl_L presses will be followed by an Alt_R press
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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 && (HIWORD(lParam) & KF_EXTENDED) == 0) {
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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 next press message */
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fReturn = PeekMessage(&msgNext, NULL,
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WM_KEYDOWN, WM_SYSKEYDOWN, PM_NOREMOVE);
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if (fReturn && msgNext.message != WM_KEYDOWN &&
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msgNext.message != WM_SYSKEYDOWN)
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fReturn = 0;
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if (!fReturn) {
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lastWasControlL = TRUE;
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lastMessage = message;
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lastTime = lTime;
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}
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else {
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lastWasControlL = FALSE;
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}
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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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* 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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* Sometimes, the Alt_R press message is not yet posted when the
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* fake Ctrl_L press message arrives (even though it has the
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* same timestamp), so check for an Alt_R press message that has
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* arrived since the last Ctrl_L message.
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*/
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else if ((message == WM_KEYDOWN || message == WM_SYSKEYDOWN)
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&& wParam == VK_MENU && (HIWORD(lParam) & KF_EXTENDED)) {
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/* Got a Alt_R press */
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if (lastWasControlL) {
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lTime = GetMessageTime();
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if (lastTime == lTime) {
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/* Undo the fake Ctrl_L press by sending a fake Ctrl_L release */
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winSendKeyEvent(KEY_LCtrl, FALSE);
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}
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lastWasControlL = FALSE;
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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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else if ((message == WM_KEYUP || message == WM_SYSKEYUP)
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&& wParam == VK_CONTROL && (HIWORD(lParam) & KF_EXTENDED) == 0) {
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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 next release message */
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fReturn = PeekMessage(&msgNext, NULL,
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WM_KEYUP, WM_SYSKEYUP, PM_NOREMOVE);
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if (fReturn && msgNext.message != WM_KEYUP &&
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msgNext.message != WM_SYSKEYUP)
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fReturn = 0;
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lastWasControlL = FALSE;
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/* Is next press an Alt_R with the same timestamp? */
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if (fReturn
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&& (msgNext.message == WM_KEYUP || msgNext.message == WM_SYSKEYUP)
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&& 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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* Next key release is Alt_R with same timestamp as current
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* Ctrl_L message. Therefore, this Ctrl_L release 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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else {
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/* On any other press or release message, we don't have a
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potentially fake Ctrl_L to worry about anymore... */
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lastWasControlL = FALSE;
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}
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/* Not a fake control left press/release */
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return FALSE;
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}
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/*
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* Lift any modifier keys that are pressed
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*/
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void
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winKeybdReleaseKeys(void)
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{
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int i;
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#ifdef HAS_DEVWINDOWS
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/* Verify that the mi input system has been initialized */
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if (g_fdMessageQueue == WIN_FD_INVALID)
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return;
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#endif
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/* Loop through all keys */
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for (i = 0; i < NUM_KEYCODES; ++i) {
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/* Pop key if pressed */
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if (g_winKeyState[i])
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winSendKeyEvent(i, FALSE);
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/* Reset pressed flag for keys */
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g_winKeyState[i] = FALSE;
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}
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}
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/*
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* Take a raw X key code and send an up or down event for it.
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*
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* Thanks to VNC for inspiration, though it is a simple function.
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*/
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void
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winSendKeyEvent(DWORD dwKey, Bool fDown)
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{
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/*
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* When alt-tabing between screens we can get phantom key up messages
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* Here we only pass them through it we think we should!
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*/
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if (g_winKeyState[dwKey] == FALSE && fDown == FALSE)
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return;
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/* Update the keyState map */
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g_winKeyState[dwKey] = fDown;
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QueueKeyboardEvents(g_pwinKeyboard, fDown ? KeyPress : KeyRelease,
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dwKey + MIN_KEYCODE, NULL);
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winDebug("winSendKeyEvent: dwKey: %d, fDown: %d\n", dwKey, fDown);
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}
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BOOL
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winCheckKeyPressed(WPARAM wParam, LPARAM lParam)
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{
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switch (wParam) {
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case VK_CONTROL:
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if ((lParam & 0x1ff0000) == 0x11d0000 && g_winKeyState[KEY_RCtrl])
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return TRUE;
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if ((lParam & 0x1ff0000) == 0x01d0000 && g_winKeyState[KEY_LCtrl])
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return TRUE;
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break;
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case VK_SHIFT:
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if ((lParam & 0x1ff0000) == 0x0360000 && g_winKeyState[KEY_ShiftR])
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return TRUE;
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if ((lParam & 0x1ff0000) == 0x02a0000 && g_winKeyState[KEY_ShiftL])
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return TRUE;
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break;
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default:
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return TRUE;
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}
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return FALSE;
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}
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/* Only on shift release message is sent even if both are pressed.
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* Fix this here
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*/
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void
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winFixShiftKeys(int iScanCode)
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{
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if (GetKeyState(VK_SHIFT) & 0x8000)
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return;
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if (iScanCode == KEY_ShiftL && g_winKeyState[KEY_ShiftR])
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winSendKeyEvent(KEY_ShiftR, FALSE);
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if (iScanCode == KEY_ShiftR && g_winKeyState[KEY_ShiftL])
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winSendKeyEvent(KEY_ShiftL, FALSE);
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}
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