# 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_
""" """