Bonjour,

Dans le cadre d'éviter les imports d'autres bibliothèques je me fais mes petits widgets.
Dans un souci d'avoir un code universel (principalement au niveau géométrie) je me permet de vous soumettre celui ci.

Code : Sélectionner tout - Visualiser dans une fenêtre à part
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try: from tkinter import *
except: from Tkinter import *
 
# Class TkComboBox
# ComboBox en pur Tkinter
#
# Options:
# width, height, border, background (bg) , foreground (fg), font, relief, cursor,
# exportselection, selectbackgroun, selectforeground
#
# Methodes:
# activate(int index)
# focus_set()
# focus()
# curselection()
# delete(ALL ou int)
# start (int)
# end (END ou int)
# insert(index, valeur)
# get()
# pack(padx=int, pady=int, fill(X, Y, BOTH), expand=bool, side=LEFT, RIGHT, TOP, BOTTOM, CENTER)
# grid(row=int, column=int, columnspan=int, rowspan=int, sticky=NSEW, padx=int, pady=int)
# place(relheight=int, relwidth=int, relx=int, rely=int, width=int, height=int, anchor=NSEW, x=int, y=int)
# config/configure(Option=Valeur)
#
class TkComboBox(Toplevel):
    listeobjets = []
 
    # Positionnement
    def widgetstate(self, event=None):
        # True : Visible
        # False : Cache la listbox
        self.geometry('+%d+%d'%(self.zoneselection.winfo_rootx(),self.zoneselection.winfo_rooty()))
        if self.valeur_widget_state == True:
            self.valeur_widget_state = False
            self.withdraw()
        elif self.valeur_widget_state == False:
            self.valeur_widget_state = True
            self.deiconify()
 
    # Gestionnaires de geometrie
    def pack(self, padx=None, pady=None, fill=None, expand=None, side=None):
        self.zoneselection.pack(padx=padx, pady=pady, fill=fill, expand=expand, side=side)
 
    def grid(self, row=None, column=None, columnspan=None, rowspan=None, sticky=None, padx=None, pady=None):
        self.zoneselection.grid(row=row, column=column, columnspan=columnspan, rowspan=rowspan, sticky=sticky, padx=padx, pady=pady)
 
    def place(self, relheight=None, relwidth=None, relx=None, rely=None, width=None, height=None, anchor=None, x=None, y=None):
        self.zoneselection.place(relheight=relheight, relwidth=relwidth, relx=relx, rely=rely, width=width, height=height, anchor=anchor, x=x, y=y)
 
    # Configuration
    def configure(self, **kw):
        for cle in kw:
            option=cle
            valeur=kw[cle]
            self.zoneselection[option]=valeur
            self.cache[option]=valeur
            self.selection[option]=valeur
 
    config=configure
 
    # Methodes
    def activate(self, index):
        self.selection.activate(index)
 
    def size(self):
        return self.selection.size()
 
 
    def focus(self):
        self.zoneselection.get_focus()
 
    def get_focus(self):
        self.zoneselection.get_focus()
 
    def curselection(self):
        return map(int, self.selection.curselection())[0]
 
    def delete(self, objet=None, start=None, end=None):
        if objet=='ALL':
            self.selection.delete(0, END)
        elif start == None and end == None:
            self.selection.delete(objet)
        else:
            self.selection.delete(start, end)
 
    def get(self):
        return self.zoneselection.get()
 
    def insert(self, start, objet):
        self.listeobjets.append(objet)
        self.selection.insert(start, objet)
        self.selection.select_set(0)
        self.zoneselection.delete(0, END)
        self.zoneselection.insert(0, self.selection.get(self.selection.curselection()))
        self.cache.delete(0, END)
        self.cache.insert(0, self.selection.get(self.selection.curselection()))
 
    def selectionner(self, event):
        def index(event):
            try:
                self.zoneselection.delete(0, END)
                self.zoneselection.insert(0, self.selection.get(self.selection.curselection()))
                self.cache.delete(0, END)
                self.cache.insert(0, self.selection.get(self.selection.curselection()))
            except:
                pass
            self.widgetstate()
        self.selection.bind("<ButtonRelease-1>", index)
 
    # Init 
    def __init__(self, parent=None, width=None, border=1, background=None, foreground=None, fg=None, bg=None, font=None, relief=None, cursor=None, exportselection=None, selectbackgroun=None, selectforeground=None, height=None):
        Toplevel.__init__(self, parent, bd=0)
        self.withdraw()
        self.parent = parent
        self.zoneselection = Entry(parent, border=border, fg=fg, bg=bg, font=font, relief=relief, cursor=cursor, exportselection=exportselection, selectbackgroun=selectbackgroun, selectforeground=selectforeground, height=height, width=width, background=background, foreground=foreground)
        self.overrideredirect(1)
        self.transient()
        self.cache = Entry(self, border=border, fg=fg, bg=bg, font=font, relief=relief, cursor=cursor, exportselection=exportselection, selectbackgroun=selectbackgroun, selectforeground=selectforeground, height=height, width=width, background=background, foreground=foreground)
        self.cache.pack()
        self.listescroll = Scrollbar(self)
        self.listescroll.pack(side=RIGHT, fill=Y)
        self.selection = Listbox(self, yscrollcommand=self.listescroll.set, width=width-1, border=border, background=background, foreground=foreground, fg=fg, bg=bg, font=font, relief=relief, cursor=cursor, exportselection=exportselection, selectbackgroun=selectbackgroun, selectforeground=selectforeground, height=height)
        self.selection.pack(side=LEFT)
        self.listescroll.config(command=self.selection.yview)
        self.selection.bind("<ButtonPress-1>", self.selectionner)
        self.cache.bind("<ButtonPress-1>", self.widgetstate)
        self.zoneselection.bind("<ButtonPress-1>", self.widgetstate)
        self.valeur_widget_state = True
        self.widgetstate()
        self.parent.bind("<Unmap>", lambda event: self.withdraw())
        self.parent.bind("<Configure>", lambda event: self.withdraw())
        # Le widget ne disparait pas si une fenetre passe au premier plan.
        # A revoir.
        # self.bind("<Leave>", lambda event: self.withdraw())
 
# Demo
class test(Tk):
    def __init__(self):
        Tk.__init__(self)
        monexplication = """Sample: Tk.__init__(self)
        self.explication = Text(self, bg='white')
        self.explication.insert(END, monexplication)
        self.explication.pack(side=TOP)
        self.listeMini = TkComboBox(self, width=10, bg='black', fg='white')
        self.listeMini.pack(side=TOP, pady=20)
        self.listeMini.config(bg='white', fg='black')
        for index in range(0,100):
            self.listeMini.insert(index, index)
        Button(self, text='QUIT', command=self.quit).pack(side=TOP, pady=20)"""
        self.explication = Text(self, bg='white')
        self.explication.insert(END, monexplication)
        self.explication.pack(side=TOP)
        self.listeMini = TkComboBox(self, width=10, bg='black', fg='white')
        self.listeMini.pack(side=TOP, pady=20)
        self.listeMini.config(bg='white', fg='black')
        for index in range(0,100):
            self.listeMini.insert(index, index)
        Button(self, text='QUIT', command=self.quit).pack(side=TOP, pady=20)
 
if __name__ == '__main__':
    app = test()
    app.mainloop()
Tout avis est le bienvenu.