define movepaths for MovingPixmaps and proof of concept in the start-wizard
[enigma2.git] / lib / python / Components / Pixmap.py
index 5f4b96915d5e1c5b449c5298dc09efadff1228ac..d25530ea71e8ca9980e37aedb31ba980c3e8d195 100644 (file)
@@ -25,3 +25,68 @@ class PixmapConditional(ConditionalWidget, Pixmap):
                ConditionalWidget.__init__(self)
                Pixmap.__init__(self)
 
+class MovingPixmap(Pixmap):
+       def __init__(self):
+               Pixmap.__init__(self)
+               
+               self.moving = False
+               
+               # TODO: get real values
+               self.x = 0.0
+               self.y = 0.0
+               
+               self.clearPath()
+               
+               self.moveTimer = eTimer()
+               self.moveTimer.timeout.get().append(self.doMove)
+               
+       def clearPath(self, repeated = False):
+               if (self.moving):
+                       self.moving = False
+                       self.moveTimer.stop()
+                       
+               self.path = []
+               self.currDest = 0
+               self.repeated = repeated
+               
+       def addMovePoint(self, x, y, time = 20):
+               self.path.append((x, y, time))
+       
+       def moveTo(self, x, y, time = 20):
+               self.clearPath()
+               self.addMovePoint(x, y, time)
+               
+       def startMoving(self):
+               if not self.moving:
+                       self.time = self.path[self.currDest][2]
+                       self.stepX = (self.path[self.currDest][0] - self.x) / float(self.time)
+                       self.stepY = (self.path[self.currDest][1] - self.y) / float(self.time)
+
+                       self.moving = True
+                       self.moveTimer.start(100)
+                       
+       def stopMoving(self):
+               self.moving = False
+               self.moveTimer.stop()
+               
+       def doMove(self):
+               self.x += self.stepX
+               self.y += self.stepY
+               self.time -= 1
+               try:
+                       self.move(int(self.x), int(self.y))
+               except: # moving not possible... widget not there any more... stop moving
+                       self.stopMoving()
+                       
+               if (self.time == 0):
+                       self.currDest += 1
+                       self.moveTimer.stop()
+                       self.moving = False
+                       if (self.currDest >= len(self.path)): # end of path
+                               if (self.repeated):
+                                       self.currDest = 0
+                                       self.moving = False
+                                       self.startMoving()
+                       else:
+                               self.moving = False
+                               self.startMoving()