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Diffstat (limited to 'xorg-server/hw/xwin/winkeyhook.c')
-rw-r--r--xorg-server/hw/xwin/winkeyhook.c382
1 files changed, 188 insertions, 194 deletions
diff --git a/xorg-server/hw/xwin/winkeyhook.c b/xorg-server/hw/xwin/winkeyhook.c
index 2d6ed18b7..fcf222fd4 100644
--- a/xorg-server/hw/xwin/winkeyhook.c
+++ b/xorg-server/hw/xwin/winkeyhook.c
@@ -1,194 +1,188 @@
-/*
- *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"
-
-
-/*
- * References to external symbols
- */
-
-extern HHOOK g_hhookKeyboardLL;
-extern DWORD g_dwCurrentThreadID;
-extern HWND g_hwndKeyboardFocus;
-
-
-/*
- * 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)
- {
-#if 0
- ErrorF ("vkCode: %08x\tscanCode: %08x\n", p->vkCode, p->scanCode);
-#endif
-
- 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)
+ {
+#if 0
+ ErrorF ("vkCode: %08x\tscanCode: %08x\n", p->vkCode, p->scanCode);
+#endif
+
+ 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;
+}
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