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#! /usr/bin/env python
# -*- coding:Utf8 -*-
from tkinter import *
class FunnyButton(Button):
"Bouton de fantaisie : vert virant au rouge quand on l'actionne"
def __init__(self, boss, **Arguments):
Button.__init__(self, boss, bg ="dark green", fg ="white", bd =5,
activebackground ="red", activeforeground ="yellow",
font =('Helvetica', 12, 'bold'), **Arguments)
class SpinBox(Frame):
"widget composite comportant un Label et 2 boutons 'up' & 'down'"
def __init__(self, boss, largC=5, largB =2, vList=[0], liInd=0, orient =Y):
Frame.__init__(self, boss)
self.vList =vList # liste des valeurs à présenter
self.liInd =liInd # index de la valeur à montrer par défaut
if orient ==Y:
s, augm, dimi = TOP, "^", "v" # Orientation 'verticale'
else:
s, augm, dimi = RIGHT, ">", "<" # Orientation 'horizontale'
Button(self, text =augm, width =largB, command =self.up).pack(side =s)
self.champ = Label(self, bg ='white', width =largC,
text =str(vList[liInd]), relief =SUNKEN)
self.champ.pack(pady =3, side =s)
Button(self, text=dimi, width=largB, command =self.down).pack(side =s)
def up(self):
if self.liInd < len(self.vList) -1:
self.liInd += 1
else:
self.bell() # émission d'un bip
self.champ.configure(text =str(self.vList[self.liInd]))
def down(self):
if self.liInd > 0:
self.liInd -= 1
else:
self.bell() # émission d'un bip
self.champ.configure(text =str(self.vList[self.liInd]))
def get(self):
return self.vList[self.liInd]
class FenDessin(Toplevel):
"Fenêtre satellite (modale) contenant un simple canevas"
def __init__(self, **Arguments):
Toplevel.__init__(self, **Arguments)
self.geometry("250x200+100+240")
self.overrideredirect(1) # => fenêtre sans bordure ni bandeau
#self.transient(self.master) # => fenêtre 'modale'
self.can =Canvas(self, bg="ivory", width =200, height =150)
self.img = PhotoImage(file ="papillon2.gif")
self.can.create_image(90, 80, image =self.img)
self.can.pack(padx =20, pady =20)
class FenControle(Toplevel):
"Fenêtre satellite contenant des contrôles de redimensionnement"
def __init__(self, boss, **Arguments):
Toplevel.__init__(self, boss, **Arguments)
self.geometry("250x200+400+230")
self.resizable(width =0, height =0) # => empêche le redimensionnement
p =(10, 30, 60, 90, 120, 150, 180, 210, 240, 270, 300)
self.spX =SpinBox(self, largC=5,largB =1,vList =p,liInd=5,orient =X)
self.spX.pack(pady =5)
self.spY =SpinBox(self, largC=5,largB =1,vList =p,liInd=5,orient =Y)
self.spY.pack(pady =5)
FunnyButton(self, text ="Dimensionner le canevas",
command =boss.redimF1).pack(pady =5)
class Demo(Frame):
"Démo. de quelques caractéristiques du widget Toplevel"
def __init__(self, parent):
Frame.__init__(self, parent)
self.parent = parent
self.master.geometry("400x300+200+200")
self.master.config(bg ="cadet blue")
FunnyButton(self, text ="Top 1", command =self.top1).pack(side =LEFT)
FunnyButton(self, text ="Top 2", command =self.top2).pack(side =LEFT)
FunnyButton(self, text ="Quitter", command =self.quit).pack()
self.pack(side =BOTTOM, padx =10, pady =10)
def top1(self):
self.fen1 =FenDessin(bg ="grey")
def top2(self):
self.fen2 =FenControle(self, bg ="khaki")
def redimF1(self):
dimX, dimY = self.fen2.spX.get(), self.fen2.spY.get()
self.fen1.can.config(width =dimX, height =dimY)
def quit(self):
self.root.destroy()
def main():
root = Tk()
root.geometry("330x300+300+300")
app = Demo(root)
root.mainloop()
if __name__ == '__main__':
main() |
