On a basic launcher-programm (recently corrected, see Scrollbar - make the background move but not the forderground), I have the following problem : buttons disappear when I use the scrollbar. Actually they are still there and I can click on the buttons, but they are now visible. If the mouse cursor goes on the button position and then leave this area, the button reappear. I think the problem is the update of the GUI. That's why I use a lot of update in the programm (probably too much) but it still doesn't work.
Here is my code :
# -*-coding:Utf-8 -*-
from __future__ import unicode_literals
import Tkinter
import ImageTk
import Image
class Interface(Tkinter.Tk) :
def __init__(self, parent) :
Tkinter.Tk.__init__(self, parent)
self.parent = parent
self.initialize()
# Creation of the widgets
def initialize(self) :
# Fenetre principale
self.minsize(437, 98)
# Scrollbars working on principal Canvas self.c
self.ascenseur_y = Tkinter.Scrollbar(self, orient=Tkinter.VERTICAL)
self.ascenseur_x = Tkinter.Scrollbar(self, orient=Tkinter.HORIZONTAL)
self.ascenseur_y.grid(row=0, column=1, sticky="ns")
self.ascenseur_x.grid(row=1, column=0, sticky="ew")
# Canvas self.c - Frame self.fr and label self.bl are in self.c
self.c = Tkinter.Canvas(self, yscrollcommand=self.ascenseur_y.set, xscrollcommand=self.ascenseur_x.set, bg="white", highlightthicknes=0)
self.c.grid(row=0, column=0, sticky="news")
self.c.bind('<Configure>', self.dimensionner)
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
self.ascenseur_x.config(command=self.c.xview)
self.ascenseur_y.config(command=self.c.yview)
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
# Invisible Frame to bind Mousewheel event with vertical scrollbar
self.fr = Tkinter.Frame(self.c)
self.fr.pack(expand=True, fill="both")
self.fr.bind_all("<MouseWheel>", self._on_mousewheel_haupt)
# Def Label with background-picture. all other widgets but the scrollbars are in self.bl
self.apercu_logo="Logo.png"
self.photo = ImageTk.PhotoImage(Image.open(self.apercu_logo))
self.bl = Tkinter.Label(self.c, image=self.photo, bg="white")
self.image_y = self.winfo_height()/2
self.image_x = self.winfo_width()/2
self.c.create_window(450/2, 300/2, window=self.bl, height=500, width=800)
self.bl.update_idletasks()
# Button "start pdf2pptx"
self.bouton_pdf2pptx = Tkinter.Button(self.bl, width=13, text=u"Pdf2pptx", command=self.ButtonPdf2pptx, anchor="center", cursor="hand2", padx=0)
self.bouton_pdf2pptx.grid(column=0, row=0, padx=10)
self.bouton_pdf2pptx.bind("<Return>", self.EnterPdf2pptx)
self.bouton_pdf2pptx.focus_set()
# Button "start xls2inp"
self.bouton_xls2inp = Tkinter.Button(self.bl, width=13, text=u"xls2inp", command=self.ButtonXls2inp, anchor="center", cursor="hand2", padx=0)
self.bouton_xls2inp.grid(column=1, row=0, padx=10)
self.bouton_xls2inp.bind("<Return>", self.EnterXls2inp)
# Button "start Zeichen ersetzer"
self.bouton_ZeichenErsetzer = Tkinter.Button(self.bl, width=13, text=u"Zeichen ersetzer", command=self.ButtonZeichenErsetzer, anchor="center", cursor="hand2", padx=0)
self.bouton_ZeichenErsetzer.grid(column=2, row=0, padx=10)
self.bouton_ZeichenErsetzer.bind("<Return>", self.EnterZeichenErsetzer)
# Configuration rows/columns - in self.bl
self.bl.grid_rowconfigure(0, weight=1, pad=100, minsize=50)
self.bl.grid_columnconfigure(0, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(1, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(2, weight=1, pad=30, minsize=140)
# Logo of the main window
self.iconbitmap("IcoKAG.ico")
# Options of the main window
# Resizable
self.resizable(True, True)
# Principal Canvas and config of the scrollbars
self.image_y = self.winfo_height()/2
self.image_x = self.winfo_width()/2
self.c.create_window(self.image_x, self.image_y, window=self.fr)
self.fr.update_idletasks()
# Min size of main window
self.minsize(200, 100)
# Size of main window at the opening
self.geometry("500x300")
if self.winfo_width() < 437 :
self.bl.grid_columnconfigure(0, weight=1, pad=30, minsize=self.winfo_width()/3)
self.bl.grid_columnconfigure(1, weight=1, pad=30, minsize=self.winfo_width()/3)
self.bl.grid_columnconfigure(2, weight=1, pad=30, minsize=self.winfo_width()/3)
else :
self.bl.grid_columnconfigure(0, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(1, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(2, weight=1, pad=30, minsize=140)
if self.winfo_height() >= 300 and self.winfo_width() >= 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] = self.winfo_width() - 16
self.SRL[3] = self.winfo_height() - 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
elif self.winfo_height() < 300 and self.winfo_width() >= 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] = self.winfo_width() - 16
self.SRL[3] -= 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
elif self.winfo_height() >= 300 and self.winfo_width() < 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] -= 16
self.SRL[3] = self.winfo_height() - 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
else :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] -= 16
self.SRL[3] -= 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
# Make sure all widgets are updated
self.update()
self.bl.update_idletasks()
# Fonctions
def dimensionner(self, event):
""" Gestion du redimentionnement de la taille de la fenêtre :
Repositionne l'image de fond
Modifie la taille des lignes/colonnes
Regle les scrollbars """
# Scrollbars options
if self.winfo_width() < 437 :
self.bl.grid_columnconfigure(0, weight=1, pad=30, minsize=self.winfo_width()/3)
self.bl.grid_columnconfigure(1, weight=1, pad=30, minsize=self.winfo_width()/3)
self.bl.grid_columnconfigure(2, weight=1, pad=30, minsize=self.winfo_width()/3)
self.update()
self.c.update_idletasks()
else :
self.bl.grid_columnconfigure(0, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(1, weight=1, pad=30, minsize=140)
self.bl.grid_columnconfigure(2, weight=1, pad=30, minsize=140)
self.update()
self.c.update_idletasks()
if self.winfo_height() >= 300 and self.winfo_width() >= 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] = self.winfo_width() - 16
self.SRL[3] = self.winfo_height() - 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
self.c.update_idletasks()
elif self.winfo_height() < 300 and self.winfo_width() >= 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] = self.winfo_width() - 16
self.SRL[3] = 300 - 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
self.c.update_idletasks()
elif self.winfo_height() >= 300 and self.winfo_width() < 500 :
self.SR = (0, 0, self.photo.width(), self.photo.height())
self.SRL = list(self.SR)
self.SRL[2] = 500 - 16
self.SRL[3] = self.winfo_height() - 16
self.c.config(scrollregion=tuple(self.SRL))
self.update()
self.c.update_idletasks()
else :
self.c.config(scrollregion=(0, 0, 484, 284))
self.update()
self.c.update_idletasks()
# Center the Background-label
if self.winfo_height() >= 300 and self.winfo_width() >= 500 :
self.image_y = self.winfo_height()/2
self.image_x = self.winfo_width()/2
self.c.create_window(self.image_x, self.image_y, window=self.bl, height=self.winfo_height(), width=self.winfo_width())
self.update()
self.c.update_idletasks()
elif self.winfo_height() < 300 and self.winfo_width() >= 500 :
self.image_y = 300/2
self.image_x = self.winfo_width()/2
self.c.create_window(self.image_x, self.image_y, window=self.bl, height=300, width=self.winfo_width())
self.update()
self.c.update_idletasks()
elif self.winfo_height() >= 300 and self.winfo_width() < 500 :
self.image_y = self.winfo_height()/2
self.image_x = 500/2
self.c.create_window(self.image_x, self.image_y, window=self.bl, height=self.winfo_height(), width=500)
self.update()
self.c.update_idletasks()
else :
self.image_y = 300/2
self.image_x = 500/2
self.c.create_window(self.image_x, self.image_y, window=self.bl, height=300, width=500)
self.update()
self.c.update_idletasks()
def _on_mousewheel_haupt(self, event):
""" Bind mousewheel to y-scrollbar """
self.c.yview_scroll(-1*(event.delta/120), "units")
def ButtonPdf2pptx(self) :
pass
def EnterPdf2pptx(self, event) :
self.ButtonPdf2pptx()
def ButtonXls2inp(self) :
pass
def EnterXls2inp(self, event) :
self.ButtonXls2inp()
def ButtonZeichenErsetzer(self) :
pass
def EnterZeichenErsetzer(self, event) :
self.ButtonZeichenErsetzer()
# Main window is build
if __name__ == "__main__" :
appLauncher = Interface(None)
appLauncher.title(u"Programm-launcher - Kämmerer AG")
appLauncher.mainloop()
Does someone have an idea ?
Tanks