# der unvermeidliche Farbenmischer
# Wolfgang.Urban@schule.at

from Tkinter import *

# aktualisiert die Anzeige
def adjust(event):
    global tr,tg,tb,br,bg,bb    # die Schieberegler text,back rgb
    global ltext,lback          # Labels für Hexwerte
    global cv,txt               # Zeichenfläche und Text

    textcolor = "#%02x%02x%02x"%(tr.get(),tg.get(),tb.get())
    backcolor = "#%02x%02x%02x"%(br.get(),bg.get(),bb.get())
    ltext.configure(text=textcolor)
    lback.configure(text=backcolor)
    cv.configure(bg=backcolor)
    cv.itemconfigure(txt,fill=textcolor)
                           

def start():
    global tr,tg,tb,br,bg,bb
    global ltext,lback
    global cv,txt
    global root
    
    root = Tk()
    root.resizable(0,0)
    root.title("HIB Farbmischer")

    # Beschriftung oben
    ltop = Label(root,text="Der ultimative Farbmischer",font=("Arial",18,"bold"))
    ltop.pack(side=TOP, fill=X, pady=6)

    # Canvas in der Mitte
    cv = Canvas(root,width=280,height=300)

    # Frames links und rechts
    flinks = Frame(root,relief=RIDGE,borderwidth=2)
    frechts = Frame(root,relief=RIDGE,borderwidth=2)

    # Labels in den Frames
    Label(flinks,text="text",font=("Arial",12)).grid(row=0,column=0,columnspan=3)
    Label(frechts,text="back",font=("Arial",12)).grid(row=0,column=0,columnspan=3)

    # linke Frameinhalte für Text-Color
    tr=Scale(flinks,orient=VERTICAL,from_=255,to_=0,troughcolor="#ff0000",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    tr.grid(row=1,column=0)
    tg=Scale(flinks,orient=VERTICAL,from_=255,to_=0,troughcolor="#00ff00",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    tg.grid(row=1,column=1)
    tb=Scale(flinks,orient=VERTICAL,from_=255,to_=0,troughcolor="#0000ff",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    tb.grid(row=1,column=2)

    # rechte Frameinhalte für Background-Color
    br=Scale(frechts,orient=VERTICAL,from_=255,to_=0,troughcolor="#ff0000",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    br.grid(row=1,column=0)
    bg=Scale(frechts,orient=VERTICAL,from_=255,to_=0,troughcolor="#00ff00",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    bg.grid(row=1,column=1)
    bb=Scale(frechts,orient=VERTICAL,from_=255,to_=0,troughcolor="#0000ff",
             length=255,showvalue=0,repeatinterval=10,command=adjust)
    bb.grid(row=1,column=2)

    br.set(255)
    bg.set(255)
    bb.set(255)

    # Labels für Farbausgabe hex 
    ltext=Label(flinks,text="#123456",font=("Courier",11,"bold"))
    ltext.grid(row=2,column=0,columnspan=3)
    lback=Label(frechts,text="#123456",font=("Courier",11,"bold"))
    lback.grid(row=2,column=0,columnspan=3)

    # packen
    flinks.pack(side=LEFT,padx=5,pady=5)
    frechts.pack(side=RIGHT,padx=5,pady=5)
    cv.pack(side=LEFT)
    
    # Text in den Canvas
    txt=cv.create_text(140,150,text="made\nat\nHIB",justify=CENTER,
                   font=("Arial",24))

start()
root.mainloop()