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Synchronize multiple ulock instances

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This commit is contained in:
Matthias Schiffer 2013-09-20 10:00:40 +02:00
parent aff9ec19a2
commit 198c0c3c72
1 changed files with 42 additions and 2 deletions
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44
ulock.c
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@ -40,6 +40,10 @@ static char *logoutCommand = NULL;
static int logoutTime = 0;
static Atom atom;
static Window selection;
static gboolean do_grab_devices(gpointer user_data) {
DEBUG("do_grab_devices");
@ -181,7 +185,7 @@ static void try_unlock(void) {
gtk_label_set_label(GTK_LABEL(messageLabel), "");
pthread_t thread;
pthread_create(&thread, NULL, try_unlock_thread, strdup((char*)gtk_entry_get_text(GTK_ENTRY(promptEntry))));
pthread_create(&thread, NULL, try_unlock_thread, strdup(gtk_entry_get_text(GTK_ENTRY(promptEntry))));
pthread_detach(thread);
}
@ -213,6 +217,11 @@ static GdkFilterReturn xevent_filter(GdkXEvent *xevent, GdkEvent *event, gpointe
gtk_window_present(GTK_WINDOW(window));
break;
case DestroyNotify:
if (ev->xdestroywindow.window == selection)
gtk_main_quit();
break;
default:
break;
}
@ -220,10 +229,42 @@ static GdkFilterReturn xevent_filter(GdkXEvent *xevent, GdkEvent *event, gpointe
return GDK_FILTER_CONTINUE;
}
static void wait_for_selection(void) {
DEBUG("wait_for_selection");
GdkDisplay *display = gdk_display_get_default();
Display *xdisplay = gdk_x11_display_get_xdisplay(display);
gdk_x11_display_error_trap_push(display);
XSelectInput(xdisplay, selection, StructureNotifyMask);
if (gdk_x11_display_error_trap_pop(display))
return;
gtk_main();
}
static void create_lock_window(void) {
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_widget_realize(window);
gdk_window_add_filter(NULL, (GdkFilterFunc)xevent_filter, NULL);
atom = gdk_x11_get_xatom_by_name("ULOCK");
gdk_x11_grab_server();
selection = XGetSelectionOwner(gdk_x11_get_default_xdisplay(), atom);
if (selection == None)
XSetSelectionOwner(gdk_x11_get_default_xdisplay(), atom, gdk_x11_window_get_xid(gtk_widget_get_window(window)), CurrentTime);
gdk_x11_ungrab_server();
if (selection != None) {
wait_for_selection();
exit(0);
}
gtk_window_set_decorated(GTK_WINDOW(window), FALSE);
gtk_window_set_skip_taskbar_hint(GTK_WINDOW(window), TRUE);
gtk_window_set_skip_pager_hint(GTK_WINDOW(window), TRUE);
@ -262,7 +303,6 @@ static void create_lock_window(void) {
g_signal_connect(window, "delete-event", G_CALLBACK(gtk_true), NULL);
XSelectInput(gdk_x11_get_default_xdisplay(), gdk_x11_get_default_root_xwindow(), SubstructureNotifyMask);
gdk_window_add_filter(NULL, (GdkFilterFunc)xevent_filter, NULL);
update_logout_time();
}