--- a/gamelib/gui_base.py	Sun May 06 22:05:40 2012 +0200
+++ b/gamelib/gui_base.py	Mon May 07 00:13:11 2012 +0200
@@ -14,158 +14,159 @@
 
 
 class Drawable(object):
-  
-  def __init__(self, rect):
-    if isinstance(rect, Rect):
-      self.rect = rect
-    else:
-      self.rect = Rect(rect[0],rect[1],rect[2],rect[3])
-    
-  def draw(self, surface):
-    pass
-  
-  
+
+    def __init__(self, rect):
+        if isinstance(rect, Rect):
+            self.rect = rect
+        else:
+            self.rect = Rect(rect[0], rect[1], rect[2], rect[3])
+
+    def draw(self, surface):
+        pass
+
+
 class Clickable(object):
-  
-  def on_mouse_down(self, pos):
-    pass
-  
-  def on_mouse_up(self, pos):
-    pass
-  
-  def on_mouse_move(self, pos):
-    pass
-  
-  def on_mouse_cancel(self):
-    pass
-  
-  def on_click(self):
-    pass
- 
+
+    def on_mouse_down(self, pos):
+        pass
+
+    def on_mouse_up(self, pos):
+        pass
+
+    def on_mouse_move(self, pos):
+        pass
+
+    def on_mouse_cancel(self):
+        pass
+
+    def on_click(self):
+        pass
+
 
 class ContainerView(Drawable):
-  
-  def __init__(self):
-    self.children = []
-    
-  def add_child(self, child):
-    self.children.append(child)
-    
-  def remove_child(self, child):
-    self.children.remove(child)
-    
-  def get_child_by_pos(self, pos):
-    for child in self.children:
-      if child.rect.collidepoint(pos):
-	if isinstance(child, ContainerView):
-	  # calculates position relative to child
-	  return child.get_child_by_pos((pos[0] - child.rect[0], pos[1] - child.rect[1]))
-	else:
-	  return child
-  
-  def draw_children(self, surface):
-    for child in self.children:
-      child.draw(surface)
-    
-  
+
+    def __init__(self):
+        self.children = []
+
+    def add_child(self, child):
+        self.children.append(child)
+
+    def remove_child(self, child):
+        self.children.remove(child)
+
+    def get_child_by_pos(self, pos):
+        for child in self.children:
+            if child.rect.collidepoint(pos):
+                if isinstance(child, ContainerView):
+                    # calculates position relative to child
+                    x = pos[0] - child.rect[0]
+                    y = pos[1] - child.rect[1]
+                    return child.get_child_by_pos((x, y))
+                else:
+                    return child
+
+    def draw_children(self, surface):
+        for child in self.children:
+            child.draw(surface)
+
+
 class Window(Clickable, ContainerView):
-  
-  def __init__(self, screen):
-    super(Window, self).__init__()
-    self.surface = Surface((screen.get_width(), screen.get_height()))
-    self.background_colour = None
-    self.background_image = None
-    self.pressed_child = None
-    
-  def on_mouse_down(self, pos):
-    child = self.get_child_by_pos(pos)
-    if isinstance(child, Clickable):
-       # calculates position relative to child
-      child.on_mouse_down((pos[0] - child.rect[0], pos[1] - child.rect[1]))
-      self.pressed_child = child
-      
-  def on_mouse_up(self, pos):
-    if self.pressed_child:
-      child = self.pressed_child
-      child.on_mouse_up((pos[0] - child.rect[0], pos[1] - child.rect[1]));
-      self.pressed_child = None
-      
-  def on_mouse_move(self, pos):
-    if self.pressed_child and self.pressed_child != self.get_child_by_pos(pos):
-      self.pressed_child.on_mouse_cancel()
-      self.pressed_child = None
-    
-  def draw(self, screen):
-    if self.background_colour:
-      self.surface.fill(self.background_colour)
-    if self.background_image:
-      self.surface.blit(self.background_image, (0,0))
-    self.draw_children(self.surface)
-    screen.blit(self.surface, (0,0))
-    
+
+    def __init__(self, screen):
+        super(Window, self).__init__()
+        self.surface = Surface((screen.get_width(), screen.get_height()))
+        self.background_colour = None
+        self.background_image = None
+        self.pressed_child = None
+
+    def on_mouse_down(self, pos):
+        child = self.get_child_by_pos(pos)
+        if isinstance(child, Clickable):
+            # calculates position relative to child
+            x = pos[0] - child.rect[0]
+            y = pos[1] - child.rect[1]
+            child.on_mouse_down((x, y))
+            self.pressed_child = child
+
+    def on_mouse_up(self, pos):
+        if self.pressed_child:
+            child = self.pressed_child
+            x = pos[0] - child.rect[0]
+            y = pos[1] - child.rect[1]
+            child.on_mouse_up((x, y))
+            self.pressed_child = None
+
+    def on_mouse_move(self, pos):
+        if self.pressed_child:
+            if self.pressed_child != self.get_child_by_pos(pos):
+                self.pressed_child.on_mouse_cancel()
+                self.pressed_child = None
+
+    def draw(self, screen):
+        if self.background_colour:
+            self.surface.fill(self.background_colour)
+        if self.background_image:
+            self.surface.blit(self.background_image, (0, 0))
+        self.draw_children(self.surface)
+        screen.blit(self.surface, (0, 0))
+
 
 class StateDrawable(Drawable):
-  
-  def __init__(self, rect):
-    super(StateDrawable, self).__init__(rect)
-    self.state = -1
-    self.states = {}
-    self.drawables = []
-    self.surface = Surface((self.rect[2], self.rect[3]))
-    
-  def draw(self, surface):
-    if self.state != -1 and self.drawables[self.state]:
-      self.drawables[self.state].draw(surface)
-      
-  def add_state(self, state_name, drawable):
-    self.states[state_name] = len(self.drawables)
-    self.drawables.append(drawable)
-    
-  def set_state(self, state_name):
-    self.state = self.states[state_name]
-    
-    
+
+    def __init__(self, rect):
+        super(StateDrawable, self).__init__(rect)
+        self.state = -1
+        self.states = {}
+        self.drawables = []
+        self.surface = Surface((self.rect[2], self.rect[3]))
+
+    def draw(self, surface):
+        if self.state != -1 and self.drawables[self.state]:
+            self.drawables[self.state].draw(surface)
+
+    def add_state(self, state_name, drawable):
+        self.states[state_name] = len(self.drawables)
+        self.drawables.append(drawable)
+
+    def set_state(self, state_name):
+        self.state = self.states[state_name]
+
+
 class Button(Clickable, StateDrawable):
-  
-  def __init__(self, rect, normal_drawable, down_drawable):
-    super(Button, self).__init__(rect)
-    self.add_state('NORMAL', normal_drawable)
-    self.add_state('DOWN', down_drawable)
-    self.set_state('NORMAL')
-    
-  def on_mouse_down(self, pos):
-    self.set_state('DOWN')
-  
-  def on_mouse_up(self, pos):
-    self.set_state('NORMAL')
-    self.on_click()   
-  
-  def on_mouse_cancel(self):
-    self.set_state('NORMAL')
-    
-    
+
+    def __init__(self, rect, normal_drawable, down_drawable):
+        super(Button, self).__init__(rect)
+        self.add_state('NORMAL', normal_drawable)
+        self.add_state('DOWN', down_drawable)
+        self.set_state('NORMAL')
+
+    def on_mouse_down(self, pos):
+        self.set_state('DOWN')
+
+    def on_mouse_up(self, pos):
+        self.set_state('NORMAL')
+        self.on_click()
+
+    def on_mouse_cancel(self):
+        self.set_state('NORMAL')
+
+
 class TextButton(Button):
 
-  def __init__(self, rect, normal_drawable, down_drawable, text):
-    super(TextButton, self).__init__(rect, normal_drawable, down_drawable)
-    self.surface = Surface((rect[2],rect[3]))
-    self.text = text
-    font_large.set_bold(True)
-    self.text_surface = font_large.render(self.text, True, (128,128,128,128))
-    shadow = font_large.render(self.text, True, (0,0,0,255))
-    font_large.set_bold(False)
-    self.text_surface.blit(shadow, (-2, -2))
-    size = font_large.size(self.text)
-    self.text_offset = ((rect[2]-size[0])/2, (rect[3]-size[1])/2)
-    
-  def draw(self, surface):
-    self.surface.fill((0,0,0,0))
-    super(TextButton, self).draw(self.surface)
-    self.surface.blit(self.text_surface, self.text_offset)
-    surface.blit(self.surface, self.rect)
+    def __init__(self, rect, normal_drawable, down_drawable, text):
+        super(TextButton, self).__init__(rect, normal_drawable, down_drawable)
+        self.surface = Surface((rect[2], rect[3]))
+        self.text = text
+        font_large.set_bold(True)
+        self.text_surface = font_large.render(self.text, True, (128, 128, 128))
+        shadow = font_large.render(self.text, True, (0, 0, 0))
+        font_large.set_bold(False)
+        self.text_surface.blit(shadow, (-2, -2))
+        size = font_large.size(self.text)
+        self.text_offset = ((rect[2] - size[0]) / 2, (rect[3] - size[1]) / 2)
 
-    
-    
-  
-  
-  
\ No newline at end of file
+    def draw(self, surface):
+        self.surface.fill((0, 0, 0, 0))
+        super(TextButton, self).draw(self.surface)
+        self.surface.blit(self.text_surface, self.text_offset)
+        surface.blit(self.surface, self.rect)