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-rw-r--r--xorg-server/hw/xwin/winclipboardthread.c999
1 files changed, 519 insertions, 480 deletions
diff --git a/xorg-server/hw/xwin/winclipboardthread.c b/xorg-server/hw/xwin/winclipboardthread.c
index 8eb825fa8..fcae5f851 100644
--- a/xorg-server/hw/xwin/winclipboardthread.c
+++ b/xorg-server/hw/xwin/winclipboardthread.c
@@ -1,480 +1,519 @@
-/*
- *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
- *Copyright (C) Colin Harrison 2005-2008
- *
- *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 the copyright holder(s)
- *and author(s) 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 copyright holder(s) and author(s).
- *
- * Authors: Harold L Hunt II
- * Colin Harrison
- */
-
-#ifdef HAVE_XWIN_CONFIG_H
-#include <xwin-config.h>
-#endif
-#include <sys/types.h>
-#include "winclipboard.h"
-#ifdef __CYGWIN__
-#include <errno.h>
-#endif
-#include "X11/Xauth.h"
-#include "misc.h"
-
-
-/*
- * Constants
- */
-
-#define AUTH_NAME "MIT-MAGIC-COOKIE-1"
-
-
-/*
- * References to external symbols
- */
-
-extern Bool g_fUnicodeClipboard;
-extern unsigned long serverGeneration;
-#if defined(XCSECURITY)
-extern unsigned int g_uiAuthDataLen;
-extern char *g_pAuthData;
-#endif
-extern Bool g_fClipboardStarted;
-extern HWND g_hwndClipboard;
-extern void *g_pClipboardDisplay;
-extern Window g_iClipboardWindow;
-
-
-/*
- * Global variables
- */
-
-static jmp_buf g_jmpEntry;
-Bool g_fUnicodeSupport = FALSE;
-Bool g_fUseUnicode = FALSE;
-
-
-/*
- * Local function prototypes
- */
-
-static int
-winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr);
-
-static int
-winClipboardIOErrorHandler (Display *pDisplay);
-
-
-/*
- * Main thread function
- */
-
-void *
-winClipboardProc (void *pvNotUsed)
-{
- Atom atomClipboard, atomClipboardManager;
- int iReturn;
- HWND hwnd = NULL;
- int iConnectionNumber = 0;
-#ifdef HAS_DEVWINDOWS
- int fdMessageQueue = 0;
-#else
- struct timeval tvTimeout;
-#endif
- fd_set fdsRead;
- int iMaxDescriptor;
- Display *pDisplay = NULL;
- Window iWindow = None;
- int iRetries;
- Bool fUseUnicode;
- char szDisplay[512];
- int iSelectError;
-
- ErrorF ("winClipboardProc - Hello\n");
-
- /* Do we have Unicode support? */
- g_fUnicodeSupport = winClipboardDetectUnicodeSupport ();
-
- /* Do we use Unicode clipboard? */
- fUseUnicode = g_fUnicodeClipboard && g_fUnicodeSupport;
-
- /* Save the Unicode support flag in a global */
- g_fUseUnicode = fUseUnicode;
-
- /* Allow multiple threads to access Xlib */
- if (XInitThreads () == 0)
- {
- ErrorF ("winClipboardProc - XInitThreads failed.\n");
- pthread_exit (NULL);
- }
-
- /* See if X supports the current locale */
- if (XSupportsLocale () == False)
- {
- ErrorF ("winClipboardProc - Locale not supported by X. Exiting.\n");
- pthread_exit (NULL);
- }
-
- /* Set jump point for Error exits */
- iReturn = setjmp (g_jmpEntry);
-
- /* Check if we should continue operations */
- if (iReturn != WIN_JMP_ERROR_IO
- && iReturn != WIN_JMP_OKAY)
- {
- /* setjmp returned an unknown value, exit */
- ErrorF ("winClipboardProc - setjmp returned: %d exiting\n",
- iReturn);
- pthread_exit (NULL);
- }
- else if (iReturn == WIN_JMP_ERROR_IO)
- {
- /* TODO: Cleanup the Win32 window and free any allocated memory */
- ErrorF ("winClipboardProc - setjmp returned for IO Error Handler.\n");
- pthread_exit (NULL);
- }
-
-#if defined(XCSECURITY)
- /* Use our generated cookie for authentication */
- XSetAuthorization (AUTH_NAME,
- strlen (AUTH_NAME),
- g_pAuthData,
- g_uiAuthDataLen);
-#endif
-
- /* Set error handler */
- XSetErrorHandler (winClipboardErrorHandler);
- XSetIOErrorHandler (winClipboardIOErrorHandler);
-
- /* Initialize retry count */
- iRetries = 0;
-
- /* Setup the display connection string x */
- /*
- * NOTE: Always connect to screen 0 since we require that screen
- * numbers start at 0 and increase without gaps. We only need
- * to connect to one screen on the display to get events
- * for all screens on the display. That is why there is only
- * one clipboard client thread.
- */
- snprintf (szDisplay,
- 512,
- "127.0.0.1:%s.0",
- display);
-
- /* Print the display connection string */
- ErrorF ("winClipboardProc - DISPLAY=%s\n", szDisplay);
-
- /* Open the X display */
- do
- {
- pDisplay = XOpenDisplay (szDisplay);
- if (pDisplay == NULL)
- {
- ErrorF ("winClipboardProc - Could not open display, "
- "try: %d, sleeping: %d\n",
- iRetries + 1, WIN_CONNECT_DELAY);
- ++iRetries;
- sleep (WIN_CONNECT_DELAY);
- continue;
- }
- else
- break;
- }
- while (pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
-
- /* Make sure that the display opened */
- if (pDisplay == NULL)
- {
- ErrorF ("winClipboardProc - Failed opening the display, giving up\n");
- pthread_exit (NULL);
- }
-
- /* Save the display in the screen privates */
- g_pClipboardDisplay = pDisplay;
-
- ErrorF ("winClipboardProc - XOpenDisplay () returned and "
- "successfully opened the display.\n");
-
- /* Get our connection number */
- iConnectionNumber = ConnectionNumber (pDisplay);
-
-#ifdef HAS_DEVWINDOWS
- /* Open a file descriptor for the windows message queue */
- fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, O_RDONLY);
- if (fdMessageQueue == -1)
- {
- ErrorF ("winClipboardProc - Failed opening %s\n", WIN_MSG_QUEUE_FNAME);
- pthread_exit (NULL);
- }
-
- /* Find max of our file descriptors */
- iMaxDescriptor = max (fdMessageQueue, iConnectionNumber) + 1;
-#else
- iMaxDescriptor = iConnectionNumber + 1;
-#endif
-
- /* Create atoms */
- atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False);
- atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False);
-
- /* Create a messaging window */
- iWindow = XCreateSimpleWindow (pDisplay,
- DefaultRootWindow (pDisplay),
- 1, 1,
- 500, 500,
- 0,
- BlackPixel (pDisplay, 0),
- BlackPixel (pDisplay, 0));
- if (iWindow == 0)
- {
- ErrorF ("winClipboardProc - Could not create an X window.\n");
- pthread_exit (NULL);
- }
-
- /* Select event types to watch */
- if (XSelectInput (pDisplay,
- iWindow,
- PropertyChangeMask) == BadWindow)
- ErrorF ("winClipboardProc - XSelectInput generated BadWindow "
- "on messaging window\n");
-
- /* Save the window in the screen privates */
- g_iClipboardWindow = iWindow;
-
- /* Create Windows messaging window */
- hwnd = winClipboardCreateMessagingWindow ();
-
- /* Save copy of HWND in screen privates */
- g_hwndClipboard = hwnd;
-
- /* Assert ownership of selections if Win32 clipboard is owned */
- if (NULL != GetClipboardOwner ())
- {
- /* PRIMARY */
- iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY,
- iWindow, CurrentTime);
- if (iReturn == BadAtom || iReturn == BadWindow ||
- XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow)
- {
- ErrorF ("winClipboardProc - Could not set PRIMARY owner\n");
- pthread_exit (NULL);
- }
-
- /* CLIPBOARD */
- iReturn = XSetSelectionOwner (pDisplay, atomClipboard,
- iWindow, CurrentTime);
- if (iReturn == BadAtom || iReturn == BadWindow ||
- XGetSelectionOwner (pDisplay, atomClipboard) != iWindow)
- {
- ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n");
- pthread_exit (NULL);
- }
- }
-
- /* Pre-flush X events */
- /*
- * NOTE: Apparently you'll freeze if you don't do this,
- * because there may be events in local data structures
- * already.
- */
- winClipboardFlushXEvents (hwnd,
- iWindow,
- pDisplay,
- fUseUnicode);
-
- /* Pre-flush Windows messages */
- if (!winClipboardFlushWindowsMessageQueue (hwnd))
- return 0;
-
- /* Signal that the clipboard client has started */
- g_fClipboardStarted = TRUE;
-
- /* Loop for X events */
- while (1)
- {
- /* Setup the file descriptor set */
- /*
- * NOTE: You have to do this before every call to select
- * because select modifies the mask to indicate
- * which descriptors are ready.
- */
- FD_ZERO (&fdsRead);
- FD_SET (iConnectionNumber, &fdsRead);
-#ifdef HAS_DEVWINDOWS
- FD_SET (fdMessageQueue, &fdsRead);
-#else
- tvTimeout.tv_sec = 0;
- tvTimeout.tv_usec = 100;
-#endif
-
- /* Wait for a Windows event or an X event */
- iReturn = select (iMaxDescriptor, /* Highest fds number */
- &fdsRead, /* Read mask */
- NULL, /* No write mask */
- NULL, /* No exception mask */
-#ifdef HAS_DEVWINDOWS
- NULL /* No timeout */
-#else
- &tvTimeout /* Set timeout */
-#endif
- );
-
-#ifndef HAS_WINSOCK
- iSelectError = errno;
-#else
- iSelectError = WSAGetLastError();
-#endif
-
- if (iReturn < 0)
- {
-#ifndef HAS_WINSOCK
- if (iSelectError == EINTR)
-#else
- if (iSelectError == WSAEINTR)
-#endif
- continue;
-
- ErrorF ("winClipboardProc - Call to select () failed: %d. "
- "Bailing.\n", iReturn);
- break;
- }
-
- /* Branch on which descriptor became active */
- if (FD_ISSET (iConnectionNumber, &fdsRead))
- {
- /* Process X events */
- /* Exit when we see that server is shutting down */
- iReturn = winClipboardFlushXEvents (hwnd,
- iWindow,
- pDisplay,
- fUseUnicode);
- if (WIN_XEVENTS_SHUTDOWN == iReturn)
- {
- ErrorF ("winClipboardProc - winClipboardFlushXEvents "
- "trapped shutdown event, exiting main loop.\n");
- break;
- }
- }
-
-#ifdef HAS_DEVWINDOWS
- /* Check for Windows event ready */
- if (FD_ISSET (fdMessageQueue, &fdsRead))
-#else
- if (1)
-#endif
- {
- /* Process Windows messages */
- if (!winClipboardFlushWindowsMessageQueue (hwnd))
- {
- ErrorF ("winClipboardProc - "
- "winClipboardFlushWindowsMessageQueue trapped "
- "WM_QUIT message, exiting main loop.\n");
- break;
- }
- }
- }
-
- /* Close our X window */
- if (pDisplay && iWindow)
- {
- iReturn = XDestroyWindow (pDisplay, iWindow);
- if (iReturn == BadWindow)
- ErrorF ("winClipboardProc - XDestroyWindow returned BadWindow.\n");
- else
- ErrorF ("winClipboardProc - XDestroyWindow succeeded.\n");
- }
-
-
-#ifdef HAS_DEVWINDOWS
- /* Close our Win32 message handle */
- if (fdMessageQueue)
- close (fdMessageQueue);
-#endif
-
-#if 0
- /*
- * FIXME: XCloseDisplay hangs if we call it, as of 2004/03/26. The
- * XSync and XSelectInput calls did not help.
- */
-
- /* Discard any remaining events */
- XSync (pDisplay, TRUE);
-
- /* Select event types to watch */
- XSelectInput (pDisplay,
- DefaultRootWindow (pDisplay),
- None);
-
- /* Close our X display */
- if (pDisplay)
- {
- XCloseDisplay (pDisplay);
- }
-#endif
-
- g_iClipboardWindow = None;
- g_pClipboardDisplay = NULL;
- g_hwndClipboard = NULL;
-
- return NULL;
-}
-
-
-/*
- * winClipboardErrorHandler - Our application specific error handler
- */
-
-static int
-winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr)
-{
- char pszErrorMsg[100];
-
- XGetErrorText (pDisplay,
- pErr->error_code,
- pszErrorMsg,
- sizeof (pszErrorMsg));
- ErrorF ("winClipboardErrorHandler - ERROR: \n\t%s\n"
- "\tSerial: %d, Request Code: %d, Minor Code: %d\n",
- pszErrorMsg,
- pErr->serial,
- pErr->request_code,
- pErr->minor_code);
- return 0;
-}
-
-
-/*
- * winClipboardIOErrorHandler - Our application specific IO error handler
- */
-
-static int
-winClipboardIOErrorHandler (Display *pDisplay)
-{
- ErrorF ("\nwinClipboardIOErrorHandler!\n\n");
-
- /* Restart at the main entry point */
- longjmp (g_jmpEntry, WIN_JMP_ERROR_IO);
-
- return 0;
-}
+/*
+ *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
+ *Copyright (C) Colin Harrison 2005-2008
+ *
+ *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 the copyright holder(s)
+ *and author(s) 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 copyright holder(s) and author(s).
+ *
+ * Authors: Harold L Hunt II
+ * Colin Harrison
+ */
+
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include <sys/types.h>
+#include "winclipboard.h"
+#ifdef __CYGWIN__
+#include <errno.h>
+#endif
+#include "X11/Xauth.h"
+#include "misc.h"
+#include "winmsg.h"
+
+#ifdef _MSC_VER
+#define snprintf _snprintf
+#endif
+
+/*
+ * Constants
+ */
+
+#define AUTH_NAME "MIT-MAGIC-COOKIE-1"
+
+
+/*
+ * References to external symbols
+ */
+
+extern Bool g_fUnicodeClipboard;
+extern unsigned long serverGeneration;
+#if defined(XCSECURITY)
+extern unsigned int g_uiAuthDataLen;
+extern char *g_pAuthData;
+#endif
+extern Bool g_fClipboardLaunched;
+extern Bool g_fClipboardStarted;
+extern HWND g_hwndClipboard;
+extern void *g_pClipboardDisplay;
+extern Window g_iClipboardWindow;
+
+
+/*
+ * Global variables
+ */
+
+static jmp_buf g_jmpEntry;
+Bool g_fUnicodeSupport = FALSE;
+Bool g_fUseUnicode = FALSE;
+
+
+/*
+ * Local function prototypes
+ */
+
+static int
+winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static int
+winClipboardIOErrorHandler (Display *pDisplay);
+
+
+/*
+ * Main thread function
+ */
+
+void *
+winClipboardProc (void *pvNotUsed)
+{
+ Atom atomClipboard, atomClipboardManager;
+ int iReturn;
+ HWND hwnd = NULL;
+ int iConnectionNumber = 0;
+#ifdef HAS_DEVWINDOWS
+ int fdMessageQueue = 0;
+#else
+ struct timeval tvTimeout;
+#endif
+ fd_set fdsRead;
+ int iMaxDescriptor;
+ Display *pDisplay = NULL;
+ Window iWindow = None;
+ int iRetries;
+ Bool fUseUnicode;
+ char szDisplay[512];
+ int iSelectError;
+
+ winDebug ("winClipboardProc - Hello\n");
+
+ /* Do we have Unicode support? */
+ g_fUnicodeSupport = winClipboardDetectUnicodeSupport ();
+
+ /* Do we use Unicode clipboard? */
+ fUseUnicode = g_fUnicodeClipboard && g_fUnicodeSupport;
+
+ /* Save the Unicode support flag in a global */
+ g_fUseUnicode = fUseUnicode;
+
+ /* See if X supports the current locale */
+ if (XSupportsLocale () == False)
+ {
+ ErrorF ("winClipboardProc - Locale not supported by X. Exiting.\n");
+ goto thread_errorexit;
+ }
+
+ /* Create Windows messaging window */
+ hwnd = winClipboardCreateMessagingWindow ();
+
+ /* Save copy of HWND in screen privates */
+ g_hwndClipboard = hwnd;
+
+ /* Set jump point for Error exits */
+ iReturn = setjmp (g_jmpEntry);
+
+ /* Check if we should continue operations */
+ if (iReturn != WIN_JMP_ERROR_IO
+ && iReturn != WIN_JMP_OKAY)
+ {
+ /* setjmp returned an unknown value, exit */
+ ErrorF ("winClipboardProc - setjmp returned: %d exiting\n",
+ iReturn);
+ goto thread_errorexit;
+ }
+ else if (iReturn == WIN_JMP_ERROR_IO)
+ {
+ /* TODO: Cleanup the Win32 window and free any allocated memory */
+ ErrorF ("winClipboardProc - setjmp returned for IO Error Handler.\n");
+ //goto thread_errorexit;
+ }
+
+#if defined(XCSECURITY)
+ /* Use our generated cookie for authentication */
+ XSetAuthorization (AUTH_NAME,
+ strlen (AUTH_NAME),
+ g_pAuthData,
+ g_uiAuthDataLen);
+#endif
+
+ /* Set error handler */
+ XSetErrorHandler (winClipboardErrorHandler);
+ XSetIOErrorHandler (winClipboardIOErrorHandler);
+
+ /* Initialize retry count */
+ iRetries = 0;
+
+ /* Setup the display connection string x */
+ /*
+ * NOTE: Always connect to screen 0 since we require that screen
+ * numbers start at 0 and increase without gaps. We only need
+ * to connect to one screen on the display to get events
+ * for all screens on the display. That is why there is only
+ * one clipboard client thread.
+ */
+ snprintf (szDisplay,
+ 512,
+ "127.0.0.1:%s.0",
+ display);
+
+ /* Print the display connection string */
+ winDebug ("winClipboardProc - DISPLAY=%s\n", szDisplay);
+
+ /* Open the X display */
+ do
+ {
+ pDisplay = XOpenDisplay (szDisplay);
+ if (pDisplay == NULL)
+ {
+ ErrorF ("winClipboardProc - Could not open display, "
+ "try: %d, sleeping: %d\n",
+ iRetries + 1, WIN_CONNECT_DELAY);
+ ++iRetries;
+ sleep (WIN_CONNECT_DELAY);
+ continue;
+ }
+ else
+ break;
+ }
+ while (pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
+
+ /* Make sure that the display opened */
+ if (pDisplay == NULL)
+ {
+ ErrorF ("winClipboardProc - Failed opening the display, giving up\n");
+ goto thread_errorexit;
+ }
+
+ /* Save the display in the screen privates */
+ g_pClipboardDisplay = pDisplay;
+
+ winDebug ("winClipboardProc - XOpenDisplay () returned and "
+ "successfully opened the display.\n");
+
+ /* Get our connection number */
+ iConnectionNumber = ConnectionNumber (pDisplay);
+
+ winDebug("Clipboard is using socket %d\n",iConnectionNumber);
+
+#ifdef HAS_DEVWINDOWS
+ /* Open a file descriptor for the windows message queue */
+ fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, _O_RDONLY);
+ if (fdMessageQueue == -1)
+ {
+ ErrorF ("winClipboardProc - Failed opening %s\n", WIN_MSG_QUEUE_FNAME);
+ goto thread_errorexit;
+ }
+
+ /* Find max of our file descriptors */
+ iMaxDescriptor = max (fdMessageQueue, iConnectionNumber) + 1;
+#else
+ iMaxDescriptor = iConnectionNumber + 1;
+#endif
+
+ /* Create atoms */
+ atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False);
+ atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False);
+ XInternAtom (pDisplay, WIN_LOCAL_PROPERTY, False);
+ XInternAtom (pDisplay, "UTF8_STRING", False);
+ XInternAtom (pDisplay, "COMPOUND_TEXT", False);
+ XInternAtom (pDisplay, "TARGETS", False);
+
+ /* Create a messaging window */
+ iWindow = XCreateSimpleWindow (pDisplay,
+ DefaultRootWindow (pDisplay),
+ 1, 1,
+ 500, 500,
+ 0,
+ BlackPixel (pDisplay, 0),
+ BlackPixel (pDisplay, 0));
+ if (iWindow == 0)
+ {
+ ErrorF ("winClipboardProc - Could not create an X window.\n");
+ goto thread_errorexit;
+ }
+
+ /* Select event types to watch */
+ if (XSelectInput (pDisplay,
+ iWindow,
+ PropertyChangeMask) == BadWindow)
+ ErrorF ("winClipboardProc - XSelectInput generated BadWindow "
+ "on messaging window\n");
+
+ /* Save the window in the screen privates */
+ g_iClipboardWindow = iWindow;
+
+ /* Assert ownership of selections if Win32 clipboard is owned */
+ if (NULL != GetClipboardOwner ())
+ {
+ /* PRIMARY */
+ winDebug("winClipboardProc - asserted ownership.\n");
+ iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY,
+ iWindow, CurrentTime);
+ if (iReturn == BadAtom || iReturn == BadWindow /*||
+ XGetSelectionOwner (pDisplay, XA_PRIMARY) != iWindow*/)
+ {
+ ErrorF ("winClipboardProc - Could not set PRIMARY owner\n");
+ goto thread_errorexit;
+ }
+
+ /* CLIPBOARD */
+ iReturn = XSetSelectionOwner (pDisplay, atomClipboard,
+ iWindow, CurrentTime);
+ if (iReturn == BadAtom || iReturn == BadWindow /*||
+ XGetSelectionOwner (pDisplay, atomClipboard) != iWindow*/)
+ {
+ ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n");
+ goto thread_errorexit;
+ }
+ }
+ /* Pre-flush X events */
+ /*
+ * NOTE: Apparently you'll freeze if you don't do this,
+ * because there may be events in local data structures
+ * already.
+ */
+ /*winClipboardFlushXEvents (hwnd,
+ iWindow,
+ pDisplay,
+ fUseUnicode);
+ */
+ /* Pre-flush Windows messages */
+ winDebug ("Start flushing \n");
+ if (!winClipboardFlushWindowsMessageQueue (hwnd))
+ {
+ ErrorF ("winClipboardFlushWindowsMessageQueue - returned 0\n");
+ goto thread_errorexit;
+ }
+
+ winDebug ("winClipboardProc - Started\n");
+ /* Signal that the clipboard client has started */
+ g_fClipboardStarted = TRUE;
+
+ /* Loop for X events */
+ while (1)
+ {
+ /* Setup the file descriptor set */
+ /*
+ * NOTE: You have to do this before every call to select
+ * because select modifies the mask to indicate
+ * which descriptors are ready.
+ */
+ FD_ZERO (&fdsRead);
+ FD_SET (iConnectionNumber, &fdsRead);
+#ifdef HAS_DEVWINDOWS
+ FD_SET (fdMessageQueue, &fdsRead);
+#else
+ tvTimeout.tv_sec = 0;
+ tvTimeout.tv_usec = 100;
+#endif
+
+ /* Wait for a Windows event or an X event */
+ iReturn = select (iMaxDescriptor, /* Highest fds number */
+ &fdsRead, /* Read mask */
+ NULL, /* No write mask */
+ NULL, /* No exception mask */
+#ifdef HAS_DEVWINDOWS
+ NULL /* No timeout */
+#else
+ &tvTimeout /* Set timeout */
+#endif
+ );
+
+#ifndef HAS_WINSOCK
+ iSelectError = errno;
+#else
+ iSelectError = WSAGetLastError();
+#endif
+
+ if (iReturn < 0)
+ {
+#ifndef HAS_WINSOCK
+ if (iSelectError == EINTR)
+#else
+ if (iSelectError == WSAEINTR)
+#endif
+ continue;
+
+ ErrorF ("winClipboardProc - Call to select () failed: %d. "
+ "Bailing.\n", iReturn);
+ break;
+ }
+
+ /* Branch on which descriptor became active */
+// if (FD_ISSET (iConnectionNumber, &fdsRead))
+// { Also do it when no read since winClipboardFlushXEvents
+// is sending the output.
+ /* Process X events */
+ /* Exit when we see that server is shutting down */
+ iReturn = winClipboardFlushXEvents (hwnd,
+ iWindow,
+ pDisplay,
+ fUseUnicode,
+ FALSE
+ );
+ if (WIN_XEVENTS_SHUTDOWN == iReturn)
+ {
+ ErrorF ("winClipboardProc - winClipboardFlushXEvents "
+ "trapped shutdown event, exiting main loop.\n");
+ break;
+ }
+// }
+
+#ifdef HAS_DEVWINDOWS
+ /* Check for Windows event ready */
+ if (FD_ISSET (fdMessageQueue, &fdsRead))
+#else
+ if (1)
+#endif
+ {
+ /* Process Windows messages */
+ if (!winClipboardFlushWindowsMessageQueue (hwnd))
+ {
+ ErrorF ("winClipboardProc - "
+ "winClipboardFlushWindowsMessageQueue trapped "
+ "WM_QUIT message, exiting main loop.\n");
+ break;
+ }
+ }
+ }
+
+ /* Close our X window */
+ if (pDisplay && iWindow)
+ {
+ iReturn = XDestroyWindow (pDisplay, iWindow);
+ if (iReturn == BadWindow)
+ ErrorF ("winClipboardProc - XDestroyWindow returned BadWindow.\n");
+#ifdef WINDBG
+ else
+ winDebug ("winClipboardProc - XDestroyWindow succeeded.\n");
+#endif
+ }
+
+
+#ifdef HAS_DEVWINDOWS
+ /* Close our Win32 message handle */
+ if (fdMessageQueue)
+ close (fdMessageQueue);
+#endif
+
+#if 0
+ /*
+ * FIXME: XCloseDisplay hangs if we call it, as of 2004/03/26. The
+ * XSync and XSelectInput calls did not help.
+ */
+
+ /* Discard any remaining events */
+ XSync (pDisplay, TRUE);
+
+ /* Select event types to watch */
+ XSelectInput (pDisplay,
+ DefaultRootWindow (pDisplay),
+ None);
+
+ /* Close our X display */
+ if (pDisplay)
+ {
+ XCloseDisplay (pDisplay);
+ }
+#endif
+
+ g_iClipboardWindow = None;
+ g_pClipboardDisplay = NULL;
+ g_fClipboardLaunched = FALSE;
+ g_fClipboardStarted = FALSE;
+
+ return NULL;
+thread_errorexit:
+ if (g_pClipboardDisplay && g_iClipboardWindow)
+ {
+ iReturn = XDestroyWindow (g_pClipboardDisplay, g_iClipboardWindow);
+ if (iReturn == BadWindow)
+ ErrorF ("winClipboardProc - XDestroyWindow returned BadWindow.\n");
+#ifdef WINDBG
+ else
+ winDebug ("winClipboardProc - XDestroyWindow succeeded.\n");
+#endif
+ }
+ g_iClipboardWindow = None;
+ g_pClipboardDisplay = NULL;
+ g_fClipboardLaunched = FALSE;
+ g_fClipboardStarted = FALSE;
+ //pthread_exit (NULL);
+ winDebug ("Clipboard thread died.\n");
+ return NULL;
+}
+
+
+/*
+ * winClipboardErrorHandler - Our application specific error handler
+ */
+
+static int
+winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr)
+{
+ char pszErrorMsg[100];
+
+ XGetErrorText (pDisplay,
+ pErr->error_code,
+ pszErrorMsg,
+ sizeof (pszErrorMsg));
+ ErrorF ("winClipboardErrorHandler - ERROR: \n\t%s\n"
+ " errorCode %d\n"
+ " serial %d\n"
+ " resourceID 0x%x\n"
+ " majorCode %d\n"
+ " minorCode %d\n"
+ , pszErrorMsg
+ , pErr->error_code
+ , pErr->serial
+ , pErr->resourceid
+ , pErr->request_code
+ , pErr->minor_code);
+ return 0;
+}
+
+
+/*
+ * winClipboardIOErrorHandler - Our application specific IO error handler
+ */
+
+static int
+winClipboardIOErrorHandler (Display *pDisplay)
+{
+ ErrorF ("\nwinClipboardIOErrorHandler!\n\n");
+
+ /* Restart at the main entry point */
+ longjmp (g_jmpEntry, WIN_JMP_ERROR_IO);
+
+ return 0;
+}