extended controls: map f -> select fog in battle

README.md

@@ -77,7 +77,8 @@ $ tooncher --cpu-limit 70 cfo
 | Key | Action                          |
 | --- | ------------------------------- |
 | `   | turn Extended Controls on / off |
-| W   | walk forward                    |
-| S   | walk backward                   |
-| A   | turn left                       |
-| D   | turn right                      |
+| w   | walk forward                    |
+| s   | walk backward                   |
+| a   | turn left                       |
+| d   | turn right                      |
+| f   | select fog in battle            |

tooncher/actions.py

@@ -1,9 +1,40 @@
 try:
+    import Xlib.X
     import Xlib.protocol.event
 except ImportError:
     pass
 
 
+class SelectFogAction:
+
+    def __init__(self):
+        self._button = Xlib.X.Button1
+
+    def execute(self, extended_controls, xkeyevent):
+        engine_geometry = extended_controls._engine_window.get_geometry()
+        smaller_dimension = min(engine_geometry.width, engine_geometry.height)
+        attr = dict(
+            window=extended_controls.engine_window,
+            detail=self._button,
+            state=xkeyevent.state,
+            event_x=int(engine_geometry.width/2-smaller_dimension/2+smaller_dimension*0.619), # 908,
+            event_y=int(engine_geometry.height/2-smaller_dimension/2+smaller_dimension*0.453), # 1064,
+            # apparently root_x & root_y do not need to correspond with event_x/y.
+            # attributes are still required to be set.
+            root_x=0, # xkeyevent.root_x,
+            root_y=0, # xkeyevent.root_y,
+            child=xkeyevent.child,
+            root=xkeyevent.root,
+            time=xkeyevent.time, # X.CurrentTime
+            same_screen=xkeyevent.same_screen,
+        )
+        if isinstance(xkeyevent, Xlib.protocol.event.KeyPress):
+            e = Xlib.protocol.event.ButtonPress(**attr)
+        else:
+            e = Xlib.protocol.event.ButtonRelease(**attr)
+        extended_controls.engine_window.send_event(e)
+
+
 class RewriteKeyEventAction:
 
     def __init__(self, keysym=None):

tooncher/controls.py

@@ -20,6 +20,7 @@ if Xlib:
         XK.XK_a: RewriteKeyEventAction(keysym=XK.XK_Left),
         XK.XK_s: RewriteKeyEventAction(keysym=XK.XK_Down),
         XK.XK_d: RewriteKeyEventAction(keysym=XK.XK_Right),
+        XK.XK_f: SelectFogAction(),
     }