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2006-04-20 Robert Love <rml@novell.com>

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* gnome/vpn-properties/nm-vpn-properties.c: Satisfy TODO: Ensure that
	  only one copy of nm-vpn-properties is running at a time via the 'ol
	  X selection trick.  This prevents the user from opening two "VPN
	  Connections" windows from within the applet, which leads to mass
	  hysteria.
	* clipboard.c: New file, implementing simple X selection logic.
	* clipboard.h: New file.
	* gnome/vpn-properties/Makefile.am: Add clipboard.{c,h}


git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@1695 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
This commit is contained in:
Robert Love 2006-04-20 15:15:37 +00:00 committed by Robert Love
parent 811c77c689
commit eae1b63a1c
5 changed files with 98 additions and 3 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2006-04-20 Robert Love <rml@novell.com>
* gnome/vpn-properties/nm-vpn-properties.c: Satisfy TODO: Ensure that
only one copy of nm-vpn-properties is running at a time via the 'ol
X selection trick. This prevents the user from opening two "VPN
Connections" windows from within the applet, which leads to mass
hysteria.
* clipboard.c: New file, implementing simple X selection logic.
* clipboard.h: New file.
* gnome/vpn-properties/Makefile.am: Add clipboard.{c,h}
2006-04-18 Nicolas Trangez <eikke@eikke.com>
* backends/NetworkManagerGentoo.c: Small cleanups and enhancements

6
gnome/vpn-properties/Makefile.am
View file

@ -7,8 +7,10 @@ nm_vpn_properties_HEADERS = \
nm-vpn-ui-interface.h
nm_vpn_properties_SOURCES = \
nm-vpn-properties.c \
nm-vpn-ui-interface.h
nm-vpn-properties.c \
clipboard.c \
clipboard.h \
nm-vpn-ui-interface.h
gladedir = $(datadir)/gnome-vpn-properties
glade_DATA = nm-vpn-properties.glade

74
gnome/vpn-properties/clipboard.c Normal file
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@ -0,0 +1,74 @@
/*
* src/clipboard.c - X clipboard hack to detect if daemon is running
*
* Elliot Lee <sopwith@redhat.com>
*
* (C) Copyright 1999 Red Hat, Inc.
*
* Licensed under the GNU GPL v2. See COPYING.
*/
#include "config.h"
#include <gnome.h>
#include <gconf/gconf-client.h>
#include <gdk/gdkx.h>
#include "clipboard.h"
/*
* clipboard_get_func - dummy get_func for gtk_clipboard_set_with_data ()
*/
static void
clipboard_get_func (GtkClipboard *clipboard __attribute__((__unused__)),
GtkSelectionData *selection_data __attribute__((__unused__)),
guint info __attribute__((__unused__)),
gpointer user_data_or_owner __attribute__((__unused__)))
{
}
/*
* clipboard_clear_func - dummy clear_func for gtk_clipboard_set_with_data ()
*/
static void
clipboard_clear_func (GtkClipboard *clipboard __attribute__((__unused__)),
gpointer user_data_or_owner __attribute__((__unused__)))
{
}
#define CLIPBOARD_NAME "VPN_CLIPBOARD_FOO"
/*
* vpn_get_clipboard - try and get the CLIPBOARD_NAME clipboard
*
* Returns TRUE if successfully retrieved and FALSE otherwise.
*/
gboolean
vpn_get_clipboard (void)
{
static const GtkTargetEntry targets[] = { {CLIPBOARD_NAME, 0, 0} };
gboolean retval = FALSE;
GtkClipboard *clipboard;
Atom atom;
atom = gdk_x11_get_xatom_by_name (CLIPBOARD_NAME);
XGrabServer (GDK_DISPLAY ());
if (XGetSelectionOwner (GDK_DISPLAY (), atom) != None)
goto out;
clipboard = gtk_clipboard_get (gdk_atom_intern (CLIPBOARD_NAME, FALSE));
if (gtk_clipboard_set_with_data (clipboard, targets,
G_N_ELEMENTS (targets),
clipboard_get_func,
clipboard_clear_func, NULL))
retval = TRUE;
out:
XUngrabServer (GDK_DISPLAY ());
gdk_flush ();
return retval;
}

6
gnome/vpn-properties/clipboard.h Normal file
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@ -0,0 +1,6 @@
#ifndef _VPN_PROPERTIES_CLIPBOARD_H
#define _VPN_PROPERTIES_CLIPBOARD_H
gboolean vpn_get_clipboard (void);
#endif /* _VPN_PROPERTIES_CLIPBOARD_H */

4
gnome/vpn-properties/nm-vpn-properties.c
View file

@ -43,6 +43,7 @@
#define NM_VPN_API_SUBJECT_TO_CHANGE
#include "nm-vpn-ui-interface.h"
#include "clipboard.h"
#define NM_GCONF_VPN_CONNECTIONS_PATH "/system/networking/vpn_connections"
@ -926,7 +927,8 @@ init_app (void)
GtkWidget *toplevel;
GDir *dir;
/* TODO: ensure only one copy of this program is running at any time */
if (!vpn_get_clipboard ())
return FALSE;
gconf_client = gconf_client_get_default ();
gconf_client_add_dir (gconf_client, NM_GCONF_VPN_CONNECTIONS_PATH,