diff options
Diffstat (limited to 'hw/xwin/winclipboardthread.c')
| -rw-r--r-- | hw/xwin/winclipboardthread.c | 352 |
1 files changed, 159 insertions, 193 deletions
diff --git a/hw/xwin/winclipboardthread.c b/hw/xwin/winclipboardthread.c index 7a746a0b3..4987c99dd 100644 --- a/hw/xwin/winclipboardthread.c +++ b/hw/xwin/winclipboardthread.c @@ -1,5 +1,5 @@ /* - *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + *Copyright (C) 2003-2004 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 @@ -15,27 +15,44 @@ *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 THE XFREE86 PROJECT BE LIABLE FOR + *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 XFree86 Project + *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 the XFree86 Project. + *from Harold L Hunt II. * * Authors: Harold L Hunt II */ -/* $XFree86: xc/programs/Xserver/hw/xwin/winclip.c,v 1.2 2001/06/04 13:04:41 alanh Exp $ */ #include "winclipboard.h" +#include "X11/Xauth.h" + + +/* + * Constants + */ + +#define AUTH_NAME "MIT-MAGIC-COOKIE-1" + /* * References to external symbols */ -extern Bool g_fCalledSetLocale; +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; /* @@ -43,7 +60,7 @@ extern Bool g_fCalledSetLocale; */ static jmp_buf g_jmpEntry; -static Bool g_shutdown = FALSE; +Bool g_fUnicodeSupport = FALSE; /* @@ -62,72 +79,28 @@ winClipboardIOErrorHandler (Display *pDisplay); */ void * -winClipboardProc (void *pArg) +winClipboardProc (void *pvNotUsed) { Atom atomClipboard, atomClipboardManager; - Atom atomLocalProperty, atomCompoundText; - Atom atomUTF8String, atomTargets; int iReturn; HWND hwnd = NULL; - int iConnectionNumber; - int fdMessageQueue; + int iConnectionNumber = 0; + int fdMessageQueue = 0; fd_set fdsRead; int iMaxDescriptor; - Display *pDisplay; - Window iWindow; - Atom atomDeleteWindow; - Bool fReturn; + Display *pDisplay = NULL; + Window iWindow = None; int iRetries; Bool fUnicodeSupport; char szDisplay[512]; - ClipboardProcArgPtr pProcArg = (ClipboardProcArgPtr) pArg; ErrorF ("winClipboardProc - Hello\n"); - /* Check that argument pointer is not invalid */ - if (pArg == NULL) - { - ErrorF ("winClipboardProc - pArg is NULL, bailing.\n"); - pthread_exit (NULL); - } - - ErrorF ("winClipboardProc - Calling pthread_mutex_lock ()\n"); - - /* Grab the server started mutex - pause until we get it */ - iReturn = pthread_mutex_lock (pProcArg->ppmServerStarted); - if (iReturn != 0) - { - ErrorF ("winClipboardProc - pthread_mutex_lock () failed: %d\n", - iReturn); - pthread_exit (NULL); - } - - ErrorF ("winClipboardProc - pthread_mutex_lock () returned.\n"); - /* Do we have Unicode support? */ - fUnicodeSupport = winClipboardDetectUnicodeSupport (); + fUnicodeSupport = g_fUnicodeClipboard && winClipboardDetectUnicodeSupport (); - /* Set the current locale? What does this do? */ - if (fUnicodeSupport && !g_fCalledSetLocale) - { - ErrorF ("winClipboardProc - Calling setlocale ()\n"); - if (!setlocale (LC_ALL, "")) - { - ErrorF ("winClipboardProc - setlocale () error\n"); - pthread_exit (NULL); - } - ErrorF ("winClipboardProc - setlocale () returned\n"); - - /* See if X supports the current locale */ - if (XSupportsLocale () == False) - { - ErrorF ("winClipboardProc - Locale not supported by X\n"); - pthread_exit (NULL); - } - } - - /* Flag that we have called setlocale */ - g_fCalledSetLocale = TRUE; + /* Save the Unicode support flag in a global */ + g_fUnicodeSupport = fUnicodeSupport; /* Allow multiple threads to access Xlib */ if (XInitThreads () == 0) @@ -136,12 +109,12 @@ winClipboardProc (void *pArg) pthread_exit (NULL); } - ErrorF ("winClipboardProc - XInitThreads () returned.\n"); - - /* Release the server started mutex */ - pthread_mutex_unlock (pProcArg->ppmServerStarted); - - ErrorF ("winClipboardProc - pthread_mutex_unlock () returned.\n"); + /* 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); @@ -155,26 +128,40 @@ winClipboardProc (void *pArg) iReturn); pthread_exit (NULL); } - else if (g_shutdown) - { - /* Shutting down, the X server severed out connection! */ - ErrorF ("winClipboardProc - Detected shutdown in progress\n"); - pthread_exit (NULL); - } else if (iReturn == WIN_JMP_ERROR_IO) { - ErrorF ("winClipboardProc - setjmp returned and hwnd: %08x\n", hwnd); + /* 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.%d", - display, - (int) pProcArg->dwScreen); + "127.0.0.1:%s.0", + display); /* Print the display connection string */ ErrorF ("winClipboardProc - DISPLAY=%s\n", szDisplay); @@ -204,12 +191,12 @@ winClipboardProc (void *pArg) pthread_exit (NULL); } + /* Save the display in the screen privates */ + g_pClipboardDisplay = pDisplay; + ErrorF ("winClipboardProc - XOpenDisplay () returned and " "successfully opened the display.\n"); - /* Create Windows messaging window */ - hwnd = winClipboardCreateMessagingWindow (); - /* Get our connection number */ iConnectionNumber = ConnectionNumber (pDisplay); @@ -233,6 +220,13 @@ winClipboardProc (void *pArg) ErrorF ("winClipboardProc - XSelectInput generated BadWindow " "on RootWindow\n\n"); + /* Create atoms */ + atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False); + atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False); + + /* FIXME: Save some values as globals for the window proc */ + g_fUnicodeSupport = fUnicodeSupport; + /* Create a messaging window */ iWindow = XCreateSimpleWindow (pDisplay, DefaultRootWindow (pDisplay), @@ -243,27 +237,24 @@ winClipboardProc (void *pArg) BlackPixel (pDisplay, 0)); if (iWindow == 0) { - ErrorF ("winClipboardProc - Could not create a window\n"); + ErrorF ("winClipboardProc - Could not create an X window.\n"); pthread_exit (NULL); } - /* This looks like our only hope for getting a message before shutdown */ - /* Register for WM_DELETE_WINDOW message from window manager */ - atomDeleteWindow = XInternAtom (pDisplay, "WM_DELETE_WINDOW", False); - XSetWMProtocols (pDisplay, iWindow, &atomDeleteWindow, 1); +#if 0 + ErrorF ("winClipboardProc - iWindow: %d\n", iWindow); +#endif - /* Set error handler */ - XSetErrorHandler (winClipboardErrorHandler); - XSetIOErrorHandler (winClipboardIOErrorHandler); + /* Save the window in the screen privates */ + g_iClipboardWindow = iWindow; - /* Create an atom for CLIPBOARD_MANAGER */ - atomClipboardManager = XInternAtom (pDisplay, "CLIPBOARD_MANAGER", False); - if (atomClipboardManager == None) - { - ErrorF ("winClipboardProc - Could not create CLIPBOARD_MANAGER atom\n"); - pthread_exit (NULL); - } + /* Create Windows messaging window */ + hwnd = winClipboardCreateMessagingWindow (); + + /* Save copy of HWND in screen privates */ + g_hwndClipboard = hwnd; +#if 0 /* Assert ownership of CLIPBOARD_MANAGER */ iReturn = XSetSelectionOwner (pDisplay, atomClipboardManager, iWindow, CurrentTime); @@ -272,63 +263,28 @@ winClipboardProc (void *pArg) ErrorF ("winClipboardProc - Could not set CLIPBOARD_MANAGER owner\n"); pthread_exit (NULL); } +#endif - /* Create an atom for CLIPBOARD */ - atomClipboard = XInternAtom (pDisplay, "CLIPBOARD", False); - if (atomClipboard == None) - { - ErrorF ("winClipboardProc - Could not create CLIPBOARD atom\n"); - pthread_exit (NULL); - } - - /* Assert ownership of CLIPBOARD */ - iReturn = XSetSelectionOwner (pDisplay, atomClipboard, - iWindow, CurrentTime); - if (iReturn == BadAtom || iReturn == BadWindow) - { - ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n"); - pthread_exit (NULL); - } - - /* Assert ownership of PRIMARY */ - iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY, - iWindow, CurrentTime); - if (iReturn == BadAtom || iReturn == BadWindow) - { - ErrorF ("winClipboardProc - Could not set PRIMARY owner\n"); - pthread_exit (NULL); - } - - /* Local property to hold pasted data */ - atomLocalProperty = XInternAtom (pDisplay, "CYGX_CUT_BUFFER", False); - if (atomLocalProperty == None) - { - ErrorF ("winClipboardProc - Could not create CYGX_CUT_BUFFER atom\n"); - pthread_exit (NULL); - } - - /* Create an atom for UTF8_STRING */ - atomUTF8String = XInternAtom (pDisplay, "UTF8_STRING", False); - if (atomUTF8String == None) - { - ErrorF ("winClipboardProc - Could not create UTF8_STRING atom\n"); - pthread_exit (NULL); - } - - /* Create an atom for COMPOUND_TEXT */ - atomCompoundText = XInternAtom (pDisplay, "COMPOUND_TEXT", False); - if (atomCompoundText == None) + /* Assert ownership of selections if Win32 clipboard is owned */ + if (NULL != GetClipboardOwner ()) { - ErrorF ("winClipboardProc - Could not create COMPOUND_TEXT atom\n"); - pthread_exit (NULL); - } + /* PRIMARY */ + iReturn = XSetSelectionOwner (pDisplay, XA_PRIMARY, + iWindow, CurrentTime); + if (iReturn == BadAtom || iReturn == BadWindow) + { + ErrorF ("winClipboardProc - Could not set PRIMARY owner\n"); + pthread_exit (NULL); + } - /* Create an atom for TARGETS */ - atomTargets = XInternAtom (pDisplay, "TARGETS", False); - if (atomTargets == None) - { - ErrorF ("winClipboardProc - Could not create TARGETS atom\n"); - pthread_exit (NULL); + /* CLIPBOARD */ + iReturn = XSetSelectionOwner (pDisplay, atomClipboard, + iWindow, CurrentTime); + if (iReturn == BadAtom || iReturn == BadWindow) + { + ErrorF ("winClipboardProc - Could not set CLIPBOARD owner\n"); + pthread_exit (NULL); + } } /* Pre-flush X events */ @@ -338,12 +294,6 @@ winClipboardProc (void *pArg) * already. */ winClipboardFlushXEvents (hwnd, - atomClipboard, - atomLocalProperty, - atomUTF8String, - atomCompoundText, - atomTargets, - atomDeleteWindow, iWindow, pDisplay, fUnicodeSupport); @@ -352,6 +302,9 @@ winClipboardProc (void *pArg) if (!winClipboardFlushWindowsMessageQueue (hwnd)) return 0; + /* Signal that the clipboard client has started */ + g_fClipboardStarted = TRUE; + /* Loop for X events */ while (1) { @@ -377,7 +330,7 @@ winClipboardProc (void *pArg) "Bailing.\n", iReturn); break; } - + /* Branch on which descriptor became active */ if (FD_ISSET (iConnectionNumber, &fdsRead)) { @@ -388,20 +341,14 @@ winClipboardProc (void *pArg) /* Process X events */ /* Exit when we see that server is shutting down */ - fReturn = winClipboardFlushXEvents (hwnd, - atomClipboard, - atomLocalProperty, - atomUTF8String, - atomCompoundText, - atomTargets, - atomDeleteWindow, + iReturn = winClipboardFlushXEvents (hwnd, iWindow, pDisplay, fUnicodeSupport); - if (!fReturn) + if (WIN_XEVENTS_SHUTDOWN == iReturn) { - ErrorF ("winClipboardProc - Caught WM_DELETE_WINDOW - " - "shutting down\n"); + ErrorF ("winClipboardProc - winClipboardFlushXEvents " + "trapped shutdown event, exiting main loop.\n"); break; } } @@ -413,14 +360,58 @@ winClipboardProc (void *pArg) #if 0 ErrorF ("winClipboardProc - Windows event ready\n"); #endif - + /* Process Windows messages */ if (!winClipboardFlushWindowsMessageQueue (hwnd)) - break; + { + ErrorF ("winClipboardProc - " + "winClipboardFlushWindowsMessageQueue trapped " + "WM_QUIT message, exiting main loop.\n"); + break; + } } } - return 0; + /* 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"); + } + + /* Close our Win32 message handle */ + if (fdMessageQueue) + close (fdMessageQueue); + +#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; } @@ -439,19 +430,6 @@ winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr) sizeof (pszErrorMsg)); ErrorF ("winClipboardErrorHandler - ERROR: \n\t%s\n", pszErrorMsg); - if (pErr->error_code == BadWindow - || pErr->error_code == BadMatch - || pErr->error_code == BadDrawable) - { -#if 0 - pthread_exit (NULL); -#endif - } - -#if 0 - pthread_exit (NULL); -#endif - return 0; } @@ -463,22 +441,10 @@ winClipboardErrorHandler (Display *pDisplay, XErrorEvent *pErr) static int winClipboardIOErrorHandler (Display *pDisplay) { - printf ("\nwinClipboardIOErrorHandler!\n\n"); + ErrorF ("\nwinClipboardIOErrorHandler!\n\n"); /* Restart at the main entry point */ longjmp (g_jmpEntry, WIN_JMP_ERROR_IO); return 0; } - - -/* - * Notify the clipboard thread we're exiting and not to reconnect - */ - -void -winDeinitClipboard () -{ - ErrorF ("winDeinitClipboard - Noting shutdown in progress\n"); - g_shutdown = TRUE; -} |