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| from tkinter import *
class MainMenu:
"""Main menu class"""
def __init__(self, master, bg=None, fg=None, activefg=None):
self.master = master
# {'titre': callback}
self._dicitem = {}
self._dicctrl = {}
if bg:
self._bg = bg
else:
self._bg = 'gray'
if fg:
self._fg = fg
else:
self._fg = 'black'
if activefg:
self._activefg = activefg
else:
self._activefg = 'blue'
def _rootquit(self, event):
"""Internal function"""
self.master.destroy()
def _position(self, widget, x, y):
"""Internal function for geometry"""
# Update the widget
widget.update()
# Get the geometry
reqw = widget.winfo_reqwidth()
reqh = widget.winfo_reqheight()
winw = widget.winfo_screenwidth()
winh = widget.winfo_screenheight()
posx = x - (reqw / 2)
if x + reqw / 2 > winw:
posx = posx - ((x + reqw / 2) - winw)
elif x - reqw / 2 < 0:
posx = 0
posy = y - reqh / 2
if y + reqh / 2 > winh:
posy = posy - ((y + reqh / 2) - winh)
elif y - reqh / 2 < 0:
posy = 0
# Set the widget geometry
widget.geometry("%dx%d+%d+%d" % (reqw, reqh, posx, posy))
def show(self, event=None):
# Clean the screen
for widget in (widget for widget in self.master.winfo_children()
if isinstance(widget, Toplevel)):
return
# Get the position
position = self.master.winfo_pointerxy()
x, y = position[0], position[1]
# Create the Toplevel
self._topmenu = Toplevel(self.master, bg=self._bg)
self._topmenu.withdraw()
ctnfrm = Frame(self._topmenu, bd=1, relief=RIDGE, bg=self._bg)
Label(ctnfrm, text='MENU', fg=self._fg,
bg=self._bg).pack(padx=3, pady=2)
Frame(ctnfrm, height=2, bd=1, relief=SUNKEN,
bg=self._bg).pack(fill=X, padx=5, pady=5)
# Labels
_Lab = {}
_tri = []
# Sort _dicitem keys
# A revoir
for cle in self._dicitem.keys():
_tri.append(cle)
_tri.sort()
for elems in _tri:
_Lab[elems] = Label(ctnfrm, text=elems, fg=self._fg, bg=self._bg)
_Lab[elems].pack(padx=3, pady=2)
# bind the callback
_Lab[elems].bind("<1>", self._dicitem[elems])
# focus
self._focusctrl(_Lab[elems])
_tri = []
for cle in self._dicctrl.keys():
_tri.append(cle)
_tri.sort()
for elems in _tri:
_Lab[elems] = Label(ctnfrm, text=elems, fg=self._fg, bg=self._bg)
_Lab[elems].pack(padx=3, pady=2)
_Lab[elems].bind("<1>", self._dicctrl[elems])
self._focusctrl(_Lab[elems])
labelquit = Label(ctnfrm, text='Quitter', fg=self._fg, bg=self._bg)
labelquit.pack(padx=3, pady=2)
self._focusctrl(labelquit)
ctnfrm.pack(padx=3, pady=2)
labelquit.bind("<1>", self._rootquit)
self. _position(self._topmenu, x, y)
self._topmenu.bind("<1>", self._hide)
self._topmenu.overrideredirect(True)
self._topmenu.deiconify()
def _hide(self, event=None):
self._topmenu.destroy()
def _focusctrl(self, widget):
widget.bind("<Leave>", lambda e: self._notactive(widget))
widget.bind("<Enter>", lambda e: self._isactive(widget))
def _isactive(self, widget):
# Text color
widget['fg'] = self._activefg
widget.update()
def _notactive(self, widget):
widget['fg'] = self._fg
widget.update()
# for items and controls
def additem(self, name, cb):
self._dicitem[name] = cb
def delitem(self, name):
del self._dicitem[name]
def addctrl(self, name, cb):
self._dicctrl[name] = cb
def delctrl(self, name):
del self._dicctrl[name]
def scroll(cmd, number, what=None):
if what:
for l in lbs:
l.yview_scroll(number, what)
else:
for l in lbs:
l.yview_moveto(number)
return "break"
def centerscreen(w):
w.geometry("%dx%d+%d+%d" % (w.winfo_reqwidth(), w.winfo_reqheight(),
(w.winfo_screenwidth() -
w.winfo_reqwidth()) / 2,
(w.winfo_screenheight() -
w.winfo_reqheight()) / 2))
def createlb(title, width):
frm = Frame(masterframe)
lbl = Label(frm, text=title, fg='dark slate blue',
borderwidth=1, relief=RAISED)
lbl.pack(fill=X)
lb = Listbox(frm, width=20, borderwidth=0, selectborderwidth=0,
relief=FLAT, exportselection=FALSE, fg='dark slate blue',
bg='white')
lb.pack(expand=YES, fill=BOTH, side=LEFT)
frm.pack(side=LEFT)
# Win/Mac.
lb.bind("<MouseWheel>", lambda e: scroll("scroll", e.delta, "units"))
# Tux
lb.bind("<Button-4>", lambda e: scroll("scroll", -1, "units"))
lb.bind("<Button-5>", lambda e: scroll("scroll", 1, "units"))
lbs.append(lb)
return lb
root = Tk()
lbs = []
infolab = Label(root, bg="white")
infolab.pack(expand=YES, fill=BOTH, padx=5, pady=5)
masterframe = Frame(root)
lb1 = createlb('Un', 20)
for v in range(100):
lb1.insert(END, v)
lb2 = createlb('Deux', 20)
for v in range(100, 1000, 10):
lb2.insert(END, v)
borderframe = Frame(masterframe)
Label(borderframe, borderwidth=1, relief=RAISED).pack(fill=X)
sb = Scrollbar(borderframe, orient=VERTICAL, command=scroll)
sb.pack(expand=YES, fill=Y)
lb1.config(yscrollcommand=sb.set)
lb2.config(yscrollcommand=sb.set)
borderframe.pack(side=LEFT, expand=YES, fill=Y)
masterframe.pack(side=LEFT)
mainmenu = MainMenu(root, bg='white', fg='black', activefg='blue')
mainmenu.additem('See 50', lambda e: scroll("moveto", 0.5))
mainmenu.addctrl('Center me', lambda e: centerscreen(root))
root.bind('<3>', mainmenu.show)
root.mainloop() |
