refs bug #429
[enigma2.git] / lib / python / Components / GUIComponent.py
index c3edaa7..7e1bafb 100644 (file)
@@ -1,16 +1,17 @@
 import skin
 
-from enigma import ePoint
+from enigma import ePoint, eSize
 
 class GUIComponent(object):
        """ GUI component """
        
-       SHOWN = 0
-       HIDDEN = 1
-       
        def __init__(self):
                self.instance = None
-               self.state = self.SHOWN
+               self.onVisibilityChange = [ ]
+               self.__visible = 0
+               self.visible = 1
+               self.skinAttributes = None
+               self.deprecationInfo = None
        
        def execBegin(self):
                pass
@@ -28,34 +29,62 @@ class GUIComponent(object):
                self.__dict__.clear()
        
        # this works only with normal widgets - if you don't have self.instance, override this.
-       def applySkin(self, desktop):
-               if self.state == self.HIDDEN:
+       def applySkin(self, desktop, parent):
+               if not self.visible:
                        self.instance.hide()
-               skin.applyAllAttributes(self.instance, desktop, self.skinAttributes)
+               
+               if self.skinAttributes is None:
+                       return False
 
-       def move(self, x, y):
-               self.instance.move(ePoint(int(x), int(y)))
+               skin.applyAllAttributes(self.instance, desktop, self.skinAttributes, parent.scale)
+               return True
+
+       def move(self, x, y = None):
+               # we assume, that x is already an ePoint
+               if y is None:
+                       self.instance.move(x)
+               else:
+                       self.instance.move(ePoint(int(x), int(y)))
+
+       def resize(self, x, y = None):
+               self.width = x
+               self.height = y
+               if y is None:
+                       self.instance.resize(x)
+               else:
+                       self.instance.resize(eSize(int(x), int(y)))
+
+       def setZPosition(self, z):
+               self.instance.setZPosition(z)
 
        def show(self):
-               self.__state = self.SHOWN
+               old = self.__visible
+               self.__visible = 1
                if self.instance is not None:
                        self.instance.show()
+               if old != self.__visible:
+                       for fnc in self.onVisibilityChange:
+                               fnc(True)
 
        def hide(self):
-               self.__state = self.HIDDEN
+               old = self.__visible
+               self.__visible = 0
                if self.instance is not None:
                        self.instance.hide()
+               if old != self.__visible:
+                       for fnc in self.onVisibilityChange:
+                               fnc(False)
 
-       def getState(self):
-               return self.__state
+       def getVisible(self):
+               return self.__visible
        
-       def setState(self, state):
-               if state == self.SHOWN:
+       def setVisible(self, visible):
+               if visible:
                        self.show()
-               elif state == self.HIDDEN:
+               else:
                        self.hide()
 
-       state = property(getState, setState)
+       visible = property(getVisible, setVisible)
 
        def setPosition(self, x, y):
                self.instance.move(ePoint(int(x), int(y)))
@@ -63,6 +92,12 @@ class GUIComponent(object):
        def getPosition(self):
                p = self.instance.position()
                return (p.x(), p.y())
+       
+       def getWidth(self):
+               return self.width
+       
+       def getHeight(self):
+               return self.height
 
        position = property(getPosition, setPosition)