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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from libavg import avg, app, widget
class SimpleUI(app.MainDiv):
def onInit(self):
avg.RectNode(size=(1024,768), fillopacity=1, fillcolor="FFFFFF",
parent=self)
hScrollBar = widget.ScrollBar(pos=(10,10), width=150, parent=self)
self.__addValueDisplay(hScrollBar, (175,12))
vScrollBar = widget.ScrollBar(pos=(15,60), height=150,
orientation=widget.Orientation.VERTICAL, parent=self)
vScrollBar.thumbExtent = 5
vScrollBar.range = (10,0)
self.__addValueDisplay(vScrollBar, (10,220))
hSlider = widget.Slider(pos=(10,35), width=150, parent=self)
self.__addValueDisplay(hSlider, (175,33))
vSlider = widget.Slider(pos=(60.5,60), height=150,
orientation=widget.Orientation.VERTICAL, parent=self)
vSlider.range = (1,0)
self.__addValueDisplay(vSlider, (55,220))
self.controls = [hScrollBar, vScrollBar, hSlider, vSlider]
self.createScrollArea(avg.Point2D(220,10))
checkBox = widget.CheckBox(pos=(10,270), text="Disable everything",
parent=self)
checkBox.subscribe(widget.CheckBox.TOGGLED, self.onCheck)
def setText(self, pos, node):
node.text = "%.2f"%pos
def setImageWidth(self, scrollArea, thumbPos):
scrollArea.contentsize = (thumbPos, scrollArea.contentsize.y)
def setImageHeight(self, scrollArea, thumbPos):
scrollArea.contentsize = (scrollArea.contentsize.x, thumbPos)
def createScrollArea(self, pos):
image = avg.ImageNode(href="rgb24-64x64.png", size=(1024, 1024))
scrollArea = widget.ScrollArea(contentNode=image, parent=self,
pos=pos, size=(220,220))
imageWidthSlider = widget.Slider(pos=pos+(0,230), width=220,
parent=self)
imageWidthSlider.range = (100,1024)
imageWidthSlider.thumbPos = 1024
imageWidthSlider.subscribe(widget.ScrollBar.THUMB_POS_CHANGED,
lambda thumbPos, scrollArea=scrollArea:
self.setImageWidth(scrollArea, thumbPos))
imageHeightSlider = widget.Slider(pos=pos+(230,0), height=220,
orientation=widget.Orientation.VERTICAL, parent=self)
imageHeightSlider.range = (100,1024)
imageHeightSlider.thumbPos = 1024
imageHeightSlider.subscribe(widget.ScrollBar.THUMB_POS_CHANGED,
lambda thumbPos, scrollArea=scrollArea:
self.setImageHeight(scrollArea, thumbPos))
self.controls.extend([scrollArea, imageWidthSlider, imageHeightSlider])
def onCheck(self, isChecked):
for node in self.controls:
node.enabled = not(isChecked)
def __addValueDisplay(self, scrollBar, pos):
textNode = avg.WordsNode(pos=pos, color="000000", parent=self)
scrollBar.subscribe(widget.ScrollBar.THUMB_POS_CHANGED,
lambda pos, node=textNode: self.setText(pos, node))
self.setText(scrollBar.thumbPos, textNode)
app.App().run(SimpleUI(), app_resolution='1024x768')
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