Close XML Console Window with ESC

data/gui/xml_console_window.ui

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.18.3 -->
+<!-- Generated with glade 3.20.0 -->
 <interface>
   <requires lib="gtk+" version="3.12"/>
   <object class="GtkImage" id="image1">
@@ -13,6 +13,7 @@
     <property name="default_width">550</property>
     <property name="default_height">450</property>
     <signal name="destroy" handler="on_xml_console_window_destroy" swapped="no"/>
+    <signal name="key-press-event" handler="on_key_press_event" swapped="no"/>
     <child>
       <object class="GtkBox" id="vbox">
         <property name="visible">True</property>

src/dialogs.py

@@ -3397,6 +3397,10 @@ class XMLConsoleWindow:
 
         self.xml.connect_signals(self)
 
+    def on_key_press_event(self, widget, event):
+        if event.keyval == Gdk.KEY_Escape:
+            self.window.destroy()
+
     def on_xml_console_window_destroy(self, widget):
         del gajim.interface.instances[self.account]['xml_console']
         gajim.ged.remove_event_handler('stanza-received', ged.GUI1,