145 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  *Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
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|  *
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|  *Permission is hereby granted, free of charge, to any person obtaining
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|  * a copy of this software and associated documentation files (the
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|  *"Software"), to deal in the Software without restriction, including
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|  *without limitation the rights to use, copy, modify, merge, publish,
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|  *distribute, sublicense, and/or sell copies of the Software, and to
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|  *permit persons to whom the Software is furnished to do so, subject to
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|  *the following conditions:
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|  *
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|  *The above copyright notice and this permission notice shall be
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|  *included in all copies or substantial portions of the Software.
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|  *
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|  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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|  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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|  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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|  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
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|  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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|  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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|  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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|  *
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|  *Except as contained in this notice, the name of Harold L Hunt II
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|  *shall not be used in advertising or otherwise to promote the sale, use
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|  *or other dealings in this Software without prior written authorization
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|  *from Harold L Hunt II.
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|  *
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|  * Authors:	Harold L Hunt II
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|  */
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| 
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| #ifdef HAVE_XWIN_CONFIG_H
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| #include <xwin-config.h>
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| #endif
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| 
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| #include <unistd.h>
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| #include <pthread.h>
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| 
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| #include "win.h"
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| #include "winclipboard/winclipboard.h"
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| #include "windisplay.h"
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| #include "winauth.h"
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| 
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| #define WIN_CLIPBOARD_RETRIES			40
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| #define WIN_CLIPBOARD_DELAY			1
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| 
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| /*
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|  * Local variables
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|  */
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| 
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| static pthread_t g_ptClipboardProc;
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| 
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| /*
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|  *
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|  */
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| static void *
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| winClipboardThreadProc(void *arg)
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| {
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|   char szDisplay[512];
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|   xcb_auth_info_t *auth_info;
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|   int clipboardRestarts = 0;
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| 
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|   while (1)
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|     {
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|       Bool fShutdown;
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| 
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|       ++clipboardRestarts;
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| 
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|       /* Setup the display connection string */
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|       /*
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|        * NOTE: Always connect to screen 0 since we require that screen
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|        * numbers start at 0 and increase without gaps.  We only need
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|        * to connect to one screen on the display to get events
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|        * for all screens on the display.  That is why there is only
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|        * one clipboard client thread.
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|       */
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|       winGetDisplayName(szDisplay, 0);
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| 
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|       /* Print the display connection string */
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|       ErrorF("winClipboardThreadProc - DISPLAY=%s\n", szDisplay);
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| 
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|       /* Flag that clipboard client has been launched */
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|       g_fClipboardStarted = TRUE;
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| 
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|       /* Use our generated cookie for authentication */
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|       auth_info = winGetXcbAuthInfo();
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| 
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|       fShutdown = winClipboardProc(szDisplay, auth_info);
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| 
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|       /* Flag that clipboard client has stopped */
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|       g_fClipboardStarted = FALSE;
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| 
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|       if (fShutdown)
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|         break;
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| 
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|       /* checking if we need to restart */
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|       if (clipboardRestarts >= WIN_CLIPBOARD_RETRIES) {
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|         /* terminates clipboard thread but the main server still lives */
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|         ErrorF("winClipboardProc - the clipboard thread has restarted %d times and seems to be unstable, disabling clipboard integration\n", clipboardRestarts);
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|         g_fClipboard = FALSE;
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|         break;
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|       }
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| 
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|       sleep(WIN_CLIPBOARD_DELAY);
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|       ErrorF("winClipboardProc - trying to restart clipboard thread \n");
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|     }
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| 
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|   return NULL;
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| }
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| 
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| /*
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|  * Initialize the Clipboard module
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|  */
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| 
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| Bool
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| winInitClipboard(void)
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| {
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|     winDebug("winInitClipboard ()\n");
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| 
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|     /* Spawn a thread for the Clipboard module */
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|     if (pthread_create(&g_ptClipboardProc, NULL, winClipboardThreadProc, NULL)) {
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|         /* Bail if thread creation failed */
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|         ErrorF("winInitClipboard - pthread_create failed.\n");
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|         return FALSE;
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|     }
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| 
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|     return TRUE;
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| }
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| 
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| void
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| winClipboardShutdown(void)
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| {
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|   /* Close down clipboard resources */
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|   if (g_fClipboard && g_fClipboardStarted) {
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|     /* Synchronously destroy the clipboard window */
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|     winClipboardWindowDestroy();
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| 
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|     /* Wait for the clipboard thread to exit */
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|     pthread_join(g_ptClipboardProc, NULL);
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| 
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|     g_fClipboardStarted = FALSE;
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| 
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|     winDebug("winClipboardShutdown - Clipboard thread has exited.\n");
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|   }
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| }
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