Mercurial > urwid-satext
view examples/menu.py @ 106:f083eca93047
Added tag Urwid SatExt v0.4.1 for changeset abc0ae944030
author | Goffi <goffi@goffi.org> |
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date | Fri, 19 Sep 2014 18:23:33 +0200 |
parents | 287ff3e1edd1 |
children | 6689aa54b20c |
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#!/usr/bin/python # -*- coding: utf-8 -*- import urwid from urwid_satext.sat_widgets import Menu import time #These palette is optional, but it's easier to use with some colors :) const_PALETTE = [('menubar', 'light gray,bold', 'dark red'), ('menubar_focus', 'light gray,bold', 'dark green'), ('menuitem', 'light gray,bold', 'dark red'), ('menuitem_focus', 'light gray,bold', 'dark green'), ] class MenuDemo(object): def __init__(self): _frame = urwid.Frame(urwid.Filler(urwid.Text('Menu demo', align='center'))) self.loop = urwid.MainLoop(_frame, const_PALETTE, unhandled_input=self.keyHandler) _frame.set_header(self.buildMenu()) _frame.set_focus('header') def run(self): self.loop.run() def _messageExit(self, message): #We print the menu data in the middle of the screen new_widget = urwid.Filler(urwid.Text(message, align='center')) self.loop.widget = new_widget self.loop.draw_screen() #5 seconds pause time.sleep(5) #see you raise urwid.ExitMainLoop() def menu_cb(self, menu_data): self._messageExit("Menu selected: %s/%s" % menu_data) def exit_cb(self, menu_data): self._messageExit("Exiting throught 'Exit' menu item") def buildMenu(self): self.menu = Menu(self.loop) _menu1 = "Menu 1" self.menu.addMenu(_menu1, "Item 1", self.menu_cb) #Adding a menu is quite easy self.menu.addMenu(_menu1, "Item 2", self.menu_cb) #Here the callback is always the same, self.menu.addMenu(_menu1, "Item 3", self.menu_cb) #but you use different ones in real life :) self.menu.addMenu(_menu1, "Exit (C-x)", self.exit_cb, 'ctrl x') #You can also add a shortcut _menu2 = "Menu 2" self.menu.addMenu(_menu2, "Item 1", self.menu_cb) self.menu.addMenu(_menu2, "Item 2", self.menu_cb) self.menu.addMenu(_menu2, "Item 3", self.menu_cb) return self.menu def keyHandler(self, input): """We leave if user press a quit char""" if input in ('esc','q','Q'): raise urwid.ExitMainLoop() else: return self.menu.checkShortcuts(input) #needed to manage shortcuts demo = MenuDemo() demo.run()