You can bind to the <Unmap>
event.
For example, run the following code and then minimize the main window. The tool window should disappear when the main window is minimized.
import Tkinter as tk
class App:
def __init__(self):
self.root = tk.Tk()
tk.Label(self.root, text="main window").pack()
self.t = tk.Toplevel()
tk.Label(self.t, text="tool window").pack()
self.root.bind("<Unmap>", self.OnUnmap)
self.root.bind("<Map>", self.OnMap)
self.root.mainloop()
def OnMap(self, event):
# show the tool window
self.t.wm_deiconify()
def OnUnmap(self, event):
# withdraw the tool window
self.t.wm_withdraw()
if __name__ == "__main__":
app=App()
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