from enigma import ePoint
-class GUIComponent:
+class GUIComponent(object):
""" GUI component """
+ SHOWN = 0
+ HIDDEN = 1
+
def __init__(self):
- pass
+ self.instance = None
+ self.state = self.SHOWN
def execBegin(self):
pass
def execEnd(self):
pass
+ def onShow(self):
+ pass
+
+ def onHide(self):
+ pass
+
+ def destroy(self):
+ 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:
+ self.instance.hide()
skin.applyAllAttributes(self.instance, desktop, self.skinAttributes)
def move(self, x, y):
self.instance.move(ePoint(int(x), int(y)))
+
+ def show(self):
+ self.__state = self.SHOWN
+ if self.instance is not None:
+ self.instance.show()
+
+ def hide(self):
+ self.__state = self.HIDDEN
+ if self.instance is not None:
+ self.instance.hide()
+
+ def getState(self):
+ return self.__state
+
+ def setState(self, state):
+ if state == self.SHOWN:
+ self.show()
+ elif state == self.HIDDEN:
+ self.hide()
+
+ state = property(getState, setState)
+
+ def setPosition(self, x, y):
+ self.instance.move(ePoint(int(x), int(y)))
+
+ def getPosition(self):
+ p = self.instance.position()
+ return (p.x(), p.y())
+
+ position = property(getPosition, setPosition)
+
+ # default implementation for only one widget per component
+ # feel free to override!
+ def GUIcreate(self, parent):
+ self.instance = self.createWidget(parent)
+ self.postWidgetCreate(self.instance)
+
+ def GUIdelete(self):
+ self.preWidgetRemove(self.instance)
+ self.instance = None
+
+ # default for argumentless widget constructor
+ def createWidget(self, parent):
+ return self.GUI_WIDGET(parent)
+
+ def postWidgetCreate(self, instance):
+ pass
+
+ def preWidgetRemove(self, instance):
+ pass