hw/xwin: Add controls for enabling/disabling monitoring of PRIMARY selection

xwinclip: Add -noprimary option
Xwin: Add -primary and -noprimary options and tray-menu control

v2:
Use Bool type for fPrimarySelection
Add -noprimary to usage message
Fix indentation in hw/xwin/winwndproc.c

Signed-off-by: Jon TURNEY <jon.turney@dronecode.org.uk>
Reviewed-by: Colin Harrison <colin.harrison@virgin.net>

hw/xwin/InitOutput.c

@@ -793,6 +793,10 @@ winUseMsg(void)
 #ifdef XWIN_CLIPBOARD
     ErrorF("-nounicodeclipboard\n"
            "\tDo not use Unicode clipboard even if on a NT-based platform.\n");
+
+    ErrorF("-[no]primary\n"
+           "\tWhen clipboard integration is enabled, map the X11 PRIMARY selection\n"
+           "\tto the Windows clipboard. Default is enabled.\n");
 #endif
 
     ErrorF("-refresh rate_in_Hz\n"

hw/xwin/XWin.rc

@@ -93,6 +93,7 @@ BEGIN
 	POPUP "TRAYICON_MENU"
 	BEGIN
 		MENUITEM "&Hide Root Window", ID_APP_HIDE_ROOT
+		MENUITEM "Clipboard may use &PRIMARY selection", ID_APP_MONITOR_PRIMARY
 		MENUITEM "&About...", ID_APP_ABOUT
 		MENUITEM SEPARATOR
 		MENUITEM "E&xit...", ID_APP_EXIT

hw/xwin/man/XWin.man

@@ -174,7 +174,7 @@ on remote hosts, when that information is available and it's useful to do so.
 .SH OPTIONS CONTROLLING WINDOWS INTEGRATION
 .TP 8
 .B \-[no]clipboard
-Enables [disables] the integration between the Cygwin/X clipboard and
+Enables [disables] the integration between the X11 clipboard and
 \fIWindows\fP clipboard.  The default is enabled.
 .TP 8
 .B "\-emulate3buttons [\fItimeout\fP]"
@@ -200,6 +200,10 @@ prevents the \fIWindows\fP mouse cursor from being drawn on top of the X
 cursor.
 This parameter has no effect unless \fB-swcursor\fP is also specified.
 .TP 8
+.B \-[no]primary
+Clipboard integration may [will not] use the PRIMARY selection.
+The default is enabled.
+.TP 8
 .B \-swcursor
 Disable the usage of the \fIWindows\fP cursor and use the X11 software cursor instead.
 .TP 8

hw/xwin/winclipboard/winclipboard.h

@@ -33,4 +33,6 @@ void winFixClipboardChain(void);
 
 void winClipboardWindowDestroy(void);
 
+extern Bool fPrimarySelection;
+
 #endif

hw/xwin/winclipboard/xevents.c

@@ -44,11 +44,13 @@
 #endif
 
 #include <limits.h>
-#include "internal.h"
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
 #include <X11/extensions/Xfixes.h>
 
+#include "winclipboard.h"
+#include "internal.h"
+
 /*
  * Constants
  */
@@ -63,6 +65,7 @@
  */
 
 extern int xfixes_event_base;
+Bool fPrimarySelection = TRUE;
 
 /*
  * Local variables
@@ -793,7 +796,7 @@ winClipboardFlushXEvents(HWND hwnd,
                 winDebug("winClipboardFlushXEvents - XFixesSetSelectionOwnerNotify\n");
 
                 /* Save selection owners for monitored selections, ignore other selections */
-                if (e->selection == XA_PRIMARY) {
+                if ((e->selection == XA_PRIMARY) && fPrimarySelection) {
                     MonitorSelection(e, CLIP_OWN_PRIMARY);
                 }
                 else if (e->selection == atomClipboard) {

hw/xwin/winclipboard/xwinclip.c

@@ -92,6 +92,13 @@ main (int argc, char *argv[])
 	  continue;
 	}
 
+      /* Look for -noprimary */
+      if (!strcmp (argv[i], "-noprimary"))
+	{
+	  fPrimarySelection = False;
+	  continue;
+	}
+
       /* Yack when we find a parameter that we don't know about */
       printf ("Unknown parameter: %s\nExiting.\n", argv[i]);
       exit (1);

hw/xwin/winclipboard/xwinclip.man

@@ -29,6 +29,9 @@ Specifies the X server display to connect to.
 .TP 8
 .B \-nounicodeclipboard
 Do not use unicode text on the clipboard.
+.TP 8
+.B \-noprimary
+Do not monitor the PRIMARY selection.
 
 .SH "SEE ALSO"
 XWin(1)

hw/xwin/winprocarg.c

@@ -37,6 +37,10 @@ from The Open Group.
 #include "winmsg.h"
 #include "winmonitors.h"
 
+#ifdef XWIN_CLIPBOARD
+#include "winclipboard/winclipboard.h"
+#endif
+
 /*
  * Function prototypes
  */
@@ -707,6 +711,26 @@ ddxProcessArgument(int argc, char *argv[], int i)
         /* Indicate that we have processed this argument */
         return 1;
     }
+
+    /*
+     * Look for the '-primary' argument
+     */
+    if (IS_OPTION("-primary")) {
+        fPrimarySelection = TRUE;
+
+        /* Indicate that we have processed this argument */
+        return 1;
+    }
+
+    /*
+     * Look for the '-noprimary' argument
+     */
+    if (IS_OPTION("-noprimary")) {
+        fPrimarySelection = FALSE;
+
+        /* Indicate that we have processed this argument */
+        return 1;
+    }
 #endif
 
     /*

hw/xwin/winresource.h

@@ -43,6 +43,7 @@
 #define ID_APP_HIDE_ROOT	201
 #define ID_APP_ALWAYS_ON_TOP	202
 #define ID_APP_ABOUT		203
+#define ID_APP_MONITOR_PRIMARY	204
 
 #define ID_ABOUT_WEBSITE	303
 

hw/xwin/wintrayicon.c

@@ -32,9 +32,13 @@
 #ifdef HAVE_XWIN_CONFIG_H
 #include <xwin-config.h>
 #endif
+
 #include "win.h"
 #include <shellapi.h>
 #include "winprefs.h"
+#ifdef XWIN_CLIPBOARD
+#include "winclipboard/winclipboard.h"
+#endif
 
 /*
  * Initialize the tray icon
@@ -170,6 +174,21 @@ winHandleIconMessage(HWND hwnd, UINT message,
             RemoveMenu(hmenuTray, ID_APP_HIDE_ROOT, MF_BYCOMMAND);
         }
 
+#ifdef XWIN_CLIPBOARD
+        if (g_fClipboard) {
+            /* Set menu state to indicate if 'Monitor Primary' is enabled or not */
+            MENUITEMINFO mii = { 0 };
+            mii.cbSize = sizeof(MENUITEMINFO);
+            mii.fMask = MIIM_STATE;
+            mii.fState = fPrimarySelection ? MFS_CHECKED : MFS_UNCHECKED;
+            SetMenuItemInfo(hmenuTray, ID_APP_MONITOR_PRIMARY, FALSE, &mii);
+        }
+        else {
+            /* Remove 'Monitor Primary' menu item */
+            RemoveMenu(hmenuTray, ID_APP_MONITOR_PRIMARY, MF_BYCOMMAND);
+        }
+#endif
+
         SetupRootMenu(hmenuTray);
 
         /*

hw/xwin/winwndproc.c

@@ -1218,6 +1218,12 @@ winWindowProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
             return 0;
 #endif
 
+#ifdef XWIN_CLIPBOARD
+        case ID_APP_MONITOR_PRIMARY:
+            fPrimarySelection = !fPrimarySelection;
+            return 0;
+#endif
+
         case ID_APP_ABOUT:
             /* Display the About box */
             winDisplayAboutDialog(s_pScreenPriv);