54 lines
1.5 KiB
Python
54 lines
1.5 KiB
Python
"""Pop-up menus."""
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import logging
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try:
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import Tkinter as tk
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except ImportError:
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# python 3
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import tkinter as tk
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import functools
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class menu(object):
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def __init__(self, parent=None, leave=True):
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if not parent:
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self._root = tk.Tk()
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self._root.withdraw()
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self._menu = tk.Menu(self._root, tearoff=0)
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self._menu.bind("<FocusOut>", self._on_focus_out)
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else:
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self._root = parent.root()
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self._root.withdraw()
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self._menu = tk.Menu(self._root, tearoff=0)
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self._menu.bind("<FocusOut>", self._on_focus_out)
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if leave:
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self._menu.bind("<Leave>", self._on_focus_out)
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def root(self):
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return self._root
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def menu(self):
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return self._menu
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def _on_focus_out(self, event=None):
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self._root.destroy()
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def _on_click(self, callback):
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self._root.destroy()
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callback()
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def add_cascade(self, menuitem, submenu):
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self._menu.add_cascade(label=menuitem, menu=submenu.menu())
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def add_menuitem(self, menuitem, callback):
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self._menu.add_command(label=menuitem, command=functools.partial(self._on_click, callback))
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def show(self, event, offset_x=0, offset_y=0):
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try:
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self._menu.tk_popup(event['x'] + offset_x, event['y'] + offset_y)
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finally:
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self._menu.grab_release()
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self._root.mainloop()
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# vim: tabstop=8 expandtab shiftwidth=4 softtabstop=4
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