Enable mouse interaction, add a hint for selecting text.

Fixes #597

libmproxy/console/__init__.py

@@ -416,6 +416,7 @@ class ConsoleMaster(flow.FlowMaster):
 
     def run(self):
         self.ui = urwid.raw_display.Screen()
+        self.ui.set_mouse_tracking()
         self.ui.set_terminal_properties(256)
         self.set_palette(self.palette)
         self.loop = urwid.MainLoop(

libmproxy/console/window.py

@@ -17,6 +17,16 @@ class Window(urwid.Frame):
     def sig_focus(self, sender, section):
         self.focus_position = section
 
+    def mouse_event(self, *args, **kwargs):
+        # args: (size, event, button, col, row)
+        k = super(self.__class__, self).mouse_event(*args, **kwargs)
+        if args[1] == "mouse drag":
+            signals.status_message.send(
+                message = "Hold down alt or ctrl to select text.",
+                expire = 1
+            )
+        return False
+
     def keypress(self, size, k):
         k = super(self.__class__, self).keypress(size, k)
         if k == "?":