Mauseingaben gehen jetzt auch mit Gtk 3.18

simpleskycam.ui

@@ -34,7 +34,7 @@
               <object class="GtkDrawingArea" id="video-da">
                 <property name="visible">True</property>
                 <property name="can-focus">False</property>
-                <property name="events">GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON3_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_FOCUS_CHANGE_MASK | GDK_STRUCTURE_MASK | GDK_PROPERTY_CHANGE_MASK | GDK_VISIBILITY_NOTIFY_MASK | GDK_PROXIMITY_IN_MASK | GDK_PROXIMITY_OUT_MASK | GDK_SUBSTRUCTURE_MASK | GDK_SCROLL_MASK | GDK_TOUCH_MASK | GDK_SMOOTH_SCROLL_MASK | GDK_TOUCHPAD_GESTURE_MASK | GDK_TABLET_PAD_MASK</property>
+                <property name="events">GDK_EXPOSURE_MASK | GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_MOTION_MASK | GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON3_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_KEY_PRESS_MASK | GDK_KEY_RELEASE_MASK | GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK | GDK_FOCUS_CHANGE_MASK | GDK_STRUCTURE_MASK | GDK_PROPERTY_CHANGE_MASK | GDK_VISIBILITY_NOTIFY_MASK | GDK_PROXIMITY_IN_MASK | GDK_PROXIMITY_OUT_MASK | GDK_SUBSTRUCTURE_MASK | GDK_SCROLL_MASK | GDK_TOUCH_MASK | GDK_SMOOTH_SCROLL_MASK | GDK_TOUCHPAD_GESTURE_MASK</property>
                 <property name="hexpand">True</property>
                 <property name="vexpand">True</property>
                 <signal name="button-press-event" handler="cb_videoda_btnpress" swapped="no"/>