xserver update 19/10/2010

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;

+}