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[util/popup] add docstrings

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tobi-wan-kenobi 2020-05-15 10:07:07 +02:00
parent bc382e67d3
commit 1b53e7ecf2
1 changed files with 42 additions and 11 deletions
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53
bumblebee_status/util/popup.py
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@ -2,51 +2,82 @@
import logging import logging
try: import tkinter as tk
import Tkinter as tk
except ImportError:
# python 3
import tkinter as tk
import functools import functools
class menu(object): class menu(object):
"""Draws a hierarchical popup menu
:param parent: If given, this menu is a leave of the "parent" menu
:param leave: If set to True, close this menu when mouse leaves the area (defaults to True)
"""
def __init__(self, parent=None, leave=True): def __init__(self, parent=None, leave=True):
if not parent: if not parent:
self._root = tk.Tk() self._root = tk.Tk()
self._root.withdraw() self._root.withdraw()
self._menu = tk.Menu(self._root, tearoff=0) self._menu = tk.Menu(self._root, tearoff=0)
self._menu.bind("<FocusOut>", self._on_focus_out) self._menu.bind("<FocusOut>", self.__on_focus_out)
else: else:
self._root = parent.root() self._root = parent.root()
self._root.withdraw() self._root.withdraw()
self._menu = tk.Menu(self._root, tearoff=0) self._menu = tk.Menu(self._root, tearoff=0)
self._menu.bind("<FocusOut>", self._on_focus_out) self._menu.bind("<FocusOut>", self.__on_focus_out)
if leave: if leave:
self._menu.bind("<Leave>", self._on_focus_out) self._menu.bind("<Leave>", self.__on_focus_out)
"""Returns the root node of this menu
:return: root node
"""
def root(self): def root(self):
return self._root return self._root
"""Returns the menu
:return: menu
"""
def menu(self): def menu(self):
return self._menu return self._menu
def _on_focus_out(self, event=None): def __on_focus_out(self, event=None):
self._root.destroy() self._root.destroy()
def _on_click(self, callback): def __on_click(self, callback):
self._root.destroy() self._root.destroy()
callback() callback()
"""Adds a cascading submenu to the current menu
:param menuitem: label to display for the submenu
:param submenu: submenu to show
"""
def add_cascade(self, menuitem, submenu): def add_cascade(self, menuitem, submenu):
self._menu.add_cascade(label=menuitem, menu=submenu.menu()) self._menu.add_cascade(label=menuitem, menu=submenu.menu())
"""Adds an item to the current menu
:param menuitem: label to display for the entry
:param callback: method to invoke on click
"""
def add_menuitem(self, menuitem, callback): def add_menuitem(self, menuitem, callback):
self._menu.add_command( self._menu.add_command(
label=menuitem, command=functools.partial(self._on_click, callback) label=menuitem, command=functools.partial(self.__on_click, callback)
) )
"""Shows this menu
:param event: i3wm event that triggered the menu (dict that contains "x" and "y" fields)
:param offset_x: x-axis offset from mouse position for the menu (defaults to 0)
:param offset_y: y-axis offset from mouse position for the menu (defaults to 0)
"""
def show(self, event, offset_x=0, offset_y=0): def show(self, event, offset_x=0, offset_y=0):
try: try:
self._menu.tk_popup(event["x"] + offset_x, event["y"] + offset_y) self._menu.tk_popup(event["x"] + offset_x, event["y"] + offset_y)