diff options
Diffstat (limited to 'xorg-server/hw/xwin/winkeyhook.c')
| -rw-r--r-- | xorg-server/hw/xwin/winkeyhook.c | 359 |
1 files changed, 173 insertions, 186 deletions
diff --git a/xorg-server/hw/xwin/winkeyhook.c b/xorg-server/hw/xwin/winkeyhook.c index e452fa5f7..124150850 100644 --- a/xorg-server/hw/xwin/winkeyhook.c +++ b/xorg-server/hw/xwin/winkeyhook.c @@ -1,186 +1,173 @@ -/*
- *Copyright (C) 2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II
- *shall not be used in advertising or otherwise to promote the sale, use
- *or other dealings in this Software without prior written authorization
- *from Harold L Hunt II.
- *
- * Authors: Harold L Hunt II
- */
-
-#ifdef HAVE_XWIN_CONFIG_H
-#include <xwin-config.h>
-#endif
-#include "win.h"
-
-
-static HHOOK g_hhookKeyboardLL = NULL;
-
-
-/*
- * Function prototypes
- */
-
-static LRESULT CALLBACK
-winKeyboardMessageHookLL (int iCode, WPARAM wParam, LPARAM lParam);
-
-
-#ifndef LLKHF_EXTENDED
-# define LLKHF_EXTENDED 0x00000001
-#endif
-#ifndef LLKHF_UP
-# define LLKHF_UP 0x00000080
-#endif
-
-
-/*
- * KeyboardMessageHook
- */
-
-static LRESULT CALLBACK
-winKeyboardMessageHookLL (int iCode, WPARAM wParam, LPARAM lParam)
-{
- BOOL fPassKeystroke = FALSE;
- BOOL fPassAltTab = TRUE;
- PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT) lParam;
- HWND hwnd = GetActiveWindow();
-#ifdef XWIN_MULTIWINDOW
- WindowPtr pWin = NULL;
- winPrivWinPtr pWinPriv = NULL;
- winPrivScreenPtr pScreenPriv = NULL;
- winScreenInfo *pScreenInfo = NULL;
-
- /* Check if the Windows window property for our X window pointer is valid */
- if ((pWin = GetProp (hwnd, WIN_WINDOW_PROP)) != NULL)
- {
- /* Get a pointer to our window privates */
- pWinPriv = winGetWindowPriv(pWin);
-
- /* Get pointers to our screen privates and screen info */
- pScreenPriv = pWinPriv->pScreenPriv;
- pScreenInfo = pScreenPriv->pScreenInfo;
-
- if (pScreenInfo->fMultiWindow)
- fPassAltTab = FALSE;
- }
-#endif
-
- /* Pass keystrokes on to our main message loop */
- if (iCode == HC_ACTION)
- {
- winDebug("winKeyboardMessageHook: vkCode: %08x scanCode: %08x\n", p->vkCode, p->scanCode);
-
- switch (wParam)
- {
- case WM_KEYDOWN: case WM_SYSKEYDOWN:
- case WM_KEYUP: case WM_SYSKEYUP:
- fPassKeystroke =
- (fPassAltTab &&
- (p->vkCode == VK_TAB) && ((p->flags & LLKHF_ALTDOWN) != 0))
- || (p->vkCode == VK_LWIN) || (p->vkCode == VK_RWIN)
- ;
- break;
- }
- }
-
- /*
- * Pass message on to our main message loop.
- * We process this immediately with SendMessage so that the keystroke
- * appears in, hopefully, the correct order.
- */
- if (fPassKeystroke)
- {
- LPARAM lParamKey = 0x0;
-
- /* Construct the lParam from KBDLLHOOKSTRUCT */
- lParamKey = lParamKey | (0x0000FFFF & 0x00000001); /* Repeat count */
- lParamKey = lParamKey | (0x00FF0000 & (p->scanCode << 16));
- lParamKey = lParamKey
- | (0x01000000 & ((p->flags & LLKHF_EXTENDED) << 23));
- lParamKey = lParamKey
- | (0x20000000
- & ((p->flags & LLKHF_ALTDOWN) << 24));
- lParamKey = lParamKey | (0x80000000 & ((p->flags & LLKHF_UP) << 24));
-
- /* Send message to our main window that has the keyboard focus */
- PostMessage (hwnd,
- (UINT) wParam,
- (WPARAM) p->vkCode,
- lParamKey);
-
- return 1;
- }
-
- /* Call next hook */
- return CallNextHookEx (NULL, iCode, wParam, lParam);
-}
-
-
-/*
- * Attempt to install the keyboard hook, return FALSE if it was not installed
- */
-
-Bool
-winInstallKeyboardHookLL (void)
-{
- OSVERSIONINFO osvi = {0};
-
- /* Get operating system version information */
- osvi.dwOSVersionInfoSize = sizeof (osvi);
- GetVersionEx (&osvi);
-
- /* Branch on platform ID */
- switch (osvi.dwPlatformId)
- {
- case VER_PLATFORM_WIN32_NT:
- /* Low-level is supported on NT 4.0 SP3+ only */
- /* TODO: Return FALSE on NT 4.0 with no SP, SP1, or SP2 */
- break;
-
- case VER_PLATFORM_WIN32_WINDOWS:
- /* Low-level hook is not supported on non-NT */
- return FALSE;
- }
-
- /* Install the hook only once */
- if (!g_hhookKeyboardLL)
- g_hhookKeyboardLL = SetWindowsHookEx (WH_KEYBOARD_LL,
- winKeyboardMessageHookLL,
- g_hInstance,
- 0);
-
- return TRUE;
-}
-
-
-/*
- * Remove the keyboard hook if it is installed
- */
-
-void
-winRemoveKeyboardHookLL (void)
-{
- if (g_hhookKeyboardLL)
- UnhookWindowsHookEx (g_hhookKeyboardLL);
- g_hhookKeyboardLL = NULL;
-}
+/* + *Copyright (C) 2004 Harold L Hunt II 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 HAROLD L HUNT II 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 Harold L Hunt II + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from Harold L Hunt II. + * + * Authors: Harold L Hunt II + */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" + +static HHOOK g_hhookKeyboardLL = NULL; + +/* + * Function prototypes + */ + +static LRESULT CALLBACK +winKeyboardMessageHookLL(int iCode, WPARAM wParam, LPARAM lParam); + +#ifndef LLKHF_EXTENDED +#define LLKHF_EXTENDED 0x00000001 +#endif +#ifndef LLKHF_UP +#define LLKHF_UP 0x00000080 +#endif + +/* + * KeyboardMessageHook + */ + +static LRESULT CALLBACK +winKeyboardMessageHookLL(int iCode, WPARAM wParam, LPARAM lParam) +{ + BOOL fPassKeystroke = FALSE; + BOOL fPassAltTab = TRUE; + PKBDLLHOOKSTRUCT p = (PKBDLLHOOKSTRUCT) lParam; + HWND hwnd = GetActiveWindow(); + +#ifdef XWIN_MULTIWINDOW + WindowPtr pWin = NULL; + winPrivWinPtr pWinPriv = NULL; + winPrivScreenPtr pScreenPriv = NULL; + winScreenInfo *pScreenInfo = NULL; + + /* Check if the Windows window property for our X window pointer is valid */ + if ((pWin = GetProp(hwnd, WIN_WINDOW_PROP)) != NULL) { + /* Get a pointer to our window privates */ + pWinPriv = winGetWindowPriv(pWin); + + /* Get pointers to our screen privates and screen info */ + pScreenPriv = pWinPriv->pScreenPriv; + pScreenInfo = pScreenPriv->pScreenInfo; + + if (pScreenInfo->fMultiWindow) + fPassAltTab = FALSE; + } +#endif + + /* Pass keystrokes on to our main message loop */ + if (iCode == HC_ACTION) { + winDebug("winKeyboardMessageHook: vkCode: %08x scanCode: %08x\n", + p->vkCode, p->scanCode); + + switch (wParam) { + case WM_KEYDOWN: + case WM_SYSKEYDOWN: + case WM_KEYUP: + case WM_SYSKEYUP: + fPassKeystroke = + (fPassAltTab && + (p->vkCode == VK_TAB) && ((p->flags & LLKHF_ALTDOWN) != 0)) + || (p->vkCode == VK_LWIN) || (p->vkCode == VK_RWIN); + break; + } + } + + /* + * Pass message on to our main message loop. + * We process this immediately with SendMessage so that the keystroke + * appears in, hopefully, the correct order. + */ + if (fPassKeystroke) { + LPARAM lParamKey = 0x0; + + /* Construct the lParam from KBDLLHOOKSTRUCT */ + lParamKey = lParamKey | (0x0000FFFF & 0x00000001); /* Repeat count */ + lParamKey = lParamKey | (0x00FF0000 & (p->scanCode << 16)); + lParamKey = lParamKey + | (0x01000000 & ((p->flags & LLKHF_EXTENDED) << 23)); + lParamKey = lParamKey + | (0x20000000 & ((p->flags & LLKHF_ALTDOWN) << 24)); + lParamKey = lParamKey | (0x80000000 & ((p->flags & LLKHF_UP) << 24)); + + /* Send message to our main window that has the keyboard focus */ + PostMessage(hwnd, (UINT) wParam, (WPARAM) p->vkCode, lParamKey); + + return 1; + } + + /* Call next hook */ + return CallNextHookEx(NULL, iCode, wParam, lParam); +} + +/* + * Attempt to install the keyboard hook, return FALSE if it was not installed + */ + +Bool +winInstallKeyboardHookLL(void) +{ + OSVERSIONINFO osvi = { 0 }; + + /* Get operating system version information */ + osvi.dwOSVersionInfoSize = sizeof(osvi); + GetVersionEx(&osvi); + + /* Branch on platform ID */ + switch (osvi.dwPlatformId) { + case VER_PLATFORM_WIN32_NT: + /* Low-level is supported on NT 4.0 SP3+ only */ + /* TODO: Return FALSE on NT 4.0 with no SP, SP1, or SP2 */ + break; + + case VER_PLATFORM_WIN32_WINDOWS: + /* Low-level hook is not supported on non-NT */ + return FALSE; + } + + /* Install the hook only once */ + if (!g_hhookKeyboardLL) + g_hhookKeyboardLL = SetWindowsHookEx(WH_KEYBOARD_LL, + winKeyboardMessageHookLL, + g_hInstance, 0); + + return TRUE; +} + +/* + * Remove the keyboard hook if it is installed + */ + +void +winRemoveKeyboardHookLL(void) +{ + if (g_hhookKeyboardLL) + UnhookWindowsHookEx(g_hhookKeyboardLL); + g_hhookKeyboardLL = NULL; +} |