gtk: Remember the last grabbed pointer position
It's pretty annoying that the pointer reappears at a random place once after grabbing and ungrabbing the input. Better to restore to the original position where the pointer was grabbed. Reference: https://bugzilla.novell.com/show_bug.cgi?id=849587 Tested-by: Cole Robinson <crobinso@redhat.com> Reviewed-by: Cole Robinson <crobinso@redhat.com> Tested-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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16
ui/gtk.c
16
ui/gtk.c
@ -159,6 +159,8 @@ typedef struct GtkDisplayState
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gboolean last_set;
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int last_x;
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int last_y;
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int grab_x_root;
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int grab_y_root;
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double scale_x;
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double scale_y;
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@ -971,8 +973,8 @@ static void gd_ungrab_keyboard(GtkDisplayState *s)
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static void gd_grab_pointer(GtkDisplayState *s)
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{
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#if GTK_CHECK_VERSION(3, 0, 0)
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GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
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#if GTK_CHECK_VERSION(3, 0, 0)
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GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
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GList *devices = gdk_device_manager_list_devices(mgr,
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GDK_DEVICE_TYPE_MASTER);
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@ -996,6 +998,8 @@ static void gd_grab_pointer(GtkDisplayState *s)
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tmp = tmp->next;
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}
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g_list_free(devices);
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gdk_device_get_position(gdk_device_manager_get_client_pointer(mgr),
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NULL, &s->grab_x_root, &s->grab_y_root);
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#else
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gdk_pointer_grab(gtk_widget_get_window(s->drawing_area),
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FALSE, /* All events to come to our window directly */
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@ -1007,13 +1011,15 @@ static void gd_grab_pointer(GtkDisplayState *s)
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NULL, /* Allow cursor to move over entire desktop */
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s->null_cursor,
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GDK_CURRENT_TIME);
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gdk_display_get_pointer(display, NULL,
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&s->grab_x_root, &s->grab_y_root, NULL);
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#endif
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}
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static void gd_ungrab_pointer(GtkDisplayState *s)
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{
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#if GTK_CHECK_VERSION(3, 0, 0)
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GdkDisplay *display = gtk_widget_get_display(s->drawing_area);
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#if GTK_CHECK_VERSION(3, 0, 0)
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GdkDeviceManager *mgr = gdk_display_get_device_manager(display);
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GList *devices = gdk_device_manager_list_devices(mgr,
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GDK_DEVICE_TYPE_MASTER);
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@ -1027,8 +1033,14 @@ static void gd_ungrab_pointer(GtkDisplayState *s)
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tmp = tmp->next;
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}
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g_list_free(devices);
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gdk_device_warp(gdk_device_manager_get_client_pointer(mgr),
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gtk_widget_get_screen(s->drawing_area),
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s->grab_x_root, s->grab_y_root);
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#else
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gdk_pointer_ungrab(GDK_CURRENT_TIME);
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gdk_display_warp_pointer(display,
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gtk_widget_get_screen(s->drawing_area),
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s->grab_x_root, s->grab_y_root);
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#endif
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}
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