#! /usr/bin/env python 
#-*- coding: utf-8 -*-
# Classe permettant l'affichage d'une icone dans la barre des taches
# avec menu
# avec choix de l'icone ou choix d'une grandeur à monitorer

import wx
import string

class Tray(wx.TaskBarIcon):
    """ Classe pour l'affichage de l'icone et des menus 
    dans la barre des taches. """

    #Entrées du menu
    TBMENU_CREATE = []

    def __init__(self, app):
        wx.TaskBarIcon.__init__(self)
        self.app = app
        self.menu_tmp = []
        #liaisons Boutons-Méthodes (actions en dur)
        self.Bind(wx.EVT_TASKBAR_LEFT_DOWN, self.OnTaskBarActivate)

    def MenuAddItem(self, nom, action):
        """ Add an item to the menu and link it to corresponding method """
        if action != None :
            new_item = wx.NewId()
            self.menu_tmp.append({nom:new_item})
            self.Bind(wx.EVT_MENU, action, id=new_item)
        else:
            self.menu_tmp.append({nom:None})

    def CreatePopupMenu(self):
        """ Method called when we need to display the menu """
        menu = wx.Menu()
        for item in self.menu_tmp:
            for nom,action in item.items():
                if action!=None:
                    menu.Append(action, nom)
                else:
                    menu.AppendSeparator()
        return menu

    def ChangeIcon(self, imgpath):
        """ Change taskbar icon """
        img = wx.Image(imgpath,wx.BITMAP_TYPE_PNG)
        bmp = img.ConvertToBitmap()
#        bmp.SetMask(wx.Mask(bmp, wx.Colour().Alpha()))
        icon = wx.IconFromBitmap(img.ConvertToBitmap())
        icon = wx.EmptyIcon()
        icon.CopyFromBitmap(bmp)
        self.SetIcon(icon, "Temp: %d °C" % self.temp)

    def IconMonitor(self, l=2, r=4):
        l_off=[128,0,0] # couleurs
        l_on=[255,0,0]
        r_off=[0,128,0]
        r_on=[0,255,0]

        s_line = "\xff\xff\xff"+"\0"*45
        s_border = "\xff\xff\xff\0\0\0"
        s_point = "\0"*3
        sl_off = string.join(map(chr,l_off),'')*6
        sl_on = string.join(map(chr,l_on),'')*6
        sr_off = string.join(map(chr,r_off),'')*6
        sr_on = string.join(map(chr,r_on),'')*6

        s=""+s_line
        for i in range(5):
            if i<(5-l):
                sl = sl_off
            else:
                sl = sl_on

            if i<(5-r):
                sr = sr_off
            else:
                sr = sr_on

            s+=s_border+sl+s_point+sr+s_point
            s+=s_border+sl+s_point+sr+s_point
            s+=s_line

        image = wx.EmptyImage(16,16)
        image.SetData(s)

        bmp = image.ConvertToBitmap()
        bmp.SetMask(wx.Mask(bmp, wx.WHITE)) #sets the transparency colour to white 

        icon = wx.EmptyIcon()
        icon.CopyFromBitmap(bmp)
        self.SetIcon(icon, "Temp: %d°C" % self.temp)

    def SetIconTimer(self):
        self.icon_timer = wx.Timer(self, ID_ICON_TIMER)
        wx.EVT_TIMER(self, ID_ICON_TIMER, self.BlinkIcon)
        self.icon_timer.Start(100) 

    def BlinkIcon(self, event):
        self.CheckTemp()
        self.MonitorIcon()