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demos: Modify "Change display" demo to use seat grabs

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The window picking feature was done through a pointer grab, replace
it by a seat grab on pointing devices.
This commit is contained in:
Carlos Garnacho 2016-01-28 12:04:13 +01:00
parent 0125aa0a41
commit 2c0446917d
1 changed files with 6 additions and 7 deletions
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13
demos/gtk-demo/changedisplay.c
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@ -108,6 +108,7 @@ query_for_toplevel (GdkScreen *screen,
GtkWidget *popup, *label, *frame;
GdkCursor *cursor;
GtkWidget *toplevel = NULL;
GdkDevice *device;
popup = gtk_window_new (GTK_WINDOW_POPUP);
gtk_window_set_screen (GTK_WINDOW (popup), screen);
@ -124,14 +125,12 @@ query_for_toplevel (GdkScreen *screen,
gtk_widget_show_all (popup);
cursor = gdk_cursor_new_from_name (display, "crosshair");
device = gtk_get_current_event_device ();
if (gdk_device_grab (gtk_get_current_event_device (),
gtk_widget_get_window (popup),
GDK_OWNERSHIP_NONE,
FALSE,
GDK_BUTTON_RELEASE_MASK,
cursor,
GDK_CURRENT_TIME) == GDK_GRAB_SUCCESS)
if (gdk_seat_grab (gdk_device_get_seat (device),
gtk_widget_get_window (popup),
GDK_SEAT_CAPABILITY_ALL_POINTING,
FALSE, cursor, NULL, NULL, NULL) == GDK_GRAB_SUCCESS)
{
gboolean clicked = FALSE;