Fixed an issue with the battle list filter.

More work on the minimap, interface changes, fixed direction controls, fixed reseting, fixed some draw things (needs some more work to finish).
Fixed a bug in the battle list causing Battle.onFollow(creature) to execute when there was no follow.

modules/game_minimap/minimap.otui

@@ -1,3 +1,30 @@
+MapControl < Button
+  size: 16 16
+
+  $pressed:
+    image-clip: 0 0 16 16
+
+  $hover !pressed:
+    image-clip: 0 16 16 16
+
+  $!pressed !hover:
+    image-clip: 0 32 16 16
+
+  $disabled:
+    image-color: #ffffff88
+
+FloorUpControl < MapControl
+  image-source: /game_minimap/floor_up.png
+  
+FloorDownControl < MapControl
+  image-source: /game_minimap/floor_down.png
+  
+//ZoomOutControl < MapControl
+  //image-source: /game_minimap/zoom_out.png
+  
+//ZoomInControl < MapControl
+  //image-source: /game_minimap/zoom_in.png
+
 MiniWindow
   id: minimapWindow
   !text: tr('Minimap')
@@ -17,46 +44,74 @@ MiniWindow
     UIButton
       id: compass
       image-source: /game_minimap/compass.png
+      color: #ffffff
       anchors.left: minimap.right
       anchors.top: minimap.top
       size: 60 60
+      margin-top: 3
       margin-left: 5
       @onClick: function(...) Minimap.compassClick(...) end
       
+    UIButton
+      id: compassReset
+      text: Reset
+      font: verdana-11px-rounded
+      anchors.left: compass.left
+      anchors.top: compass.top
+      margin-top: 25
+      margin-left: 14
+      @onClick: function(...) Minimap.center(...) end
+      $pressed:
+        color: #eb9f4f88
+        margin-top: 26
+        margin-left: 15
+
+      $hover !pressed:
+        color: #eb9f4f
+
+      $!pressed !hover:
+        color: #ffffff
+        margin-top: 25
+        margin-left: 14
+
+      $disabled:
+        image-color: #ffffff88
+      
     Button
       id: zoomOut
       text: -
-      size: 20 20
+      font: terminus-14px-bold
+      size: 16 16
       anchors.left: minimap.right
       anchors.top: compass.bottom
-      margin-top: 5
-      margin-left: 15
+      margin-top: 10
+      margin-left: 10
+      enabled: true
       @onClick: Minimap.onButtonClick(self:getId())
       
     Button
       id: zoomIn
       text: +
-      size: 20 20
+      size: 16 16
       anchors.left: zoomOut.left
       anchors.top: zoomOut.bottom
-      margin-top: 2
+      margin-top: 4
+      enabled: true
       @onClick: Minimap.onButtonClick(self:getId())
       
-    Button
+    FloorUpControl
       id: levelUp
-      text: /\
-      size: 20 20
       anchors.left: zoomOut.right
       anchors.top: zoomOut.top
-      margin-left: 2
+      margin-left: 15
+      enabled: true
       @onClick: Minimap.onButtonClick(self:getId())
       
-    Button
+    FloorDownControl
       id: levelDown
-      text: \/
-      size: 20 20
       anchors.left: zoomIn.right
       anchors.top: zoomIn.top
-      margin-left: 2
+      margin-left: 15
+      enabled: true
       @onClick: Minimap.onButtonClick(self:getId())