# progress_bar_by_gradient.py

# progress_bar_by_gradient.py

import appuifw,e32,time

def empty(rect):
    pass
def draw(rect):
    if not c:
        canvas.clear(0x000000)
        return

    canvas.line((i,barWidthA,i,barWidthB),color,width=2)

    # frame
    canvas.rectangle((0,barWidthA,X,barWidthB+2),0xffffff)
    time.sleep(0.009) ### Otherwise Too Fast ???

### >>> Additional Python Code <<<

def forLight():
    appuifw.e32.reset_inactivity()
    timer.after(10,forLight)


def exit(): global run; run=0
appuifw.app.exit_key_handler=exit

timer=appuifw.e32.Ao_timer()
forLight()

appuifw.app.orientation='portrait'
appuifw.app.directional_pad=False
canvas=appuifw.Canvas(redraw_callback=empty)
appuifw.app.body=canvas
X,Y=canvas.size

barWidthA=140
barWidthB=barWidthA+19

run=1
c=None
color=0x000000
canvas=appuifw.Canvas(redraw_callback=draw)
appuifw.app.body=canvas

while run:
    draw(())
    for i in range(X):
        if not run: break
        c=int(((255.0*2)/X)*i)
        if not c > 255:
            # red marker
            color=(255,c,0)
        else:
            # green marker
            c -= 255
            color=(255-c,255,0)
        draw(())
        e32.ao_yield()
    c=None

timer.cancel()