# 4x6_full_buttonlayout_demo.py

# 4x6_full_buttonlayout_demo.py

from appuifw import *
import e32,audio,os,sys,key_codes,time,math,random,graphics,sensor

RGB_GREEN        = (000,255,000)
RGB_RED          = (255,000,000)
RGB_BLACK        = (000,000,000)
RGB_WHITE        = (255,255,255)

def draw(rect):
    try: canvas.blit(img)
    except: pass

app.directional_pad = False
app.orientation='portrait'
app.screen='large'
app.body=canvas=Canvas(redraw_callback=draw)
img=graphics.Image.new(canvas.size)

Total_x, Total_y = canvas.size
x=y=90
yy = Total_y-(y*6) # for bottom layout

def cv(): pass

keyb={}
keyb['num']='''
123+
456-
789*
.0=/
$,:%
()<>
'''

def layout(v):
    z=keyb[v].strip().splitlines()
    for y in range(len(z)):
        for x in range(len(z[y])):
            keyb[(v,x,y)]=z[y][x]

s=list(keyb)
for z in s: layout(z)

def btn_pad(_x,_y,z,c):
    img.text((_x+15,_y+20+y), unicode(z), fill=c,font=(u'Nokia Hindi S60',80,STYLE_BOLD))

xy = {}
for _y in range(6):
    for _x in range(4):
        xy[(_x,_y)] = x*_x,  y*_y

for x2,y2 in xy:
    btn_pad(x2*90,y2*90,(keyb[('num',x2,y2)]),RGB_BLACK)
draw(())
timer = e32.Ao_timer()
timer.after(0.2) # delay might be req'd for capture
num_pad = graphics.screenshot()
#
def up_event(event):
    img.blit(num_pad, target=(0,0))
    rbtn(RGB_RED)
    draw(())
def dn_event(event):
    global prev_xy
    prev_xy=time.time()
    mv_event(event)
def mv_event(event):
    global Xp,Yp
    x,y=event
    if y > yy: Xp,Yp=x/90,(y-yy)/90
#
canvas.bind(key_codes.EButton1Up, up_event, ((x*0,y*0), (Total_x,Total_y)))
canvas.bind(key_codes.EButton1Down, dn_event, ((x*0,y*0), (Total_x,Total_y)))
canvas.bind(key_codes.EDrag, mv_event, ((x*0,y*0), (Total_x,Total_y)))

def exit():
    global process
    process = 0
#
app.exit_key_handler=exit
app_lock=e32.Ao_lock()
Xp=Yp=None
prev_xy=None

def btxt(txt):
    img.text((10,Total_y-15),unicode(txt),font=('normal',20),fill=0)

def rbtn(c):
    x2,y2=xy[(Xp,Yp)]
    img.rectangle((x2,y2+yy,x2+x,y2+y+yy), fill=c)
    img.text((10,25),unicode((Xp,Yp)),font=('normal',20),fill=0)
    btn_pad(x2,y2,keyb[('num',Xp,Yp)],RGB_WHITE)

process = 1
delay = time.time()+0.02
while process:
    if (Xp,Yp) in xy:
        if (Xp,Yp) <> prev_xy:
            prev_xy=Xp,Yp
            if time.time() > delay:
                #img.clear()
                img.blit(num_pad, target=(0,0))
                rbtn(RGB_GREEN)
                delay = time.time()+0.2
                draw(())
    e32.ao_yield() # bottom of _running_loop_
""" """