class MenuDemo(object):
def __init__(self):
self._frame = urwid.Frame(urwid.Filler(urwid.Text([
("\n\n"
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"░░░░░░░░ ░░ ░░░░░░░░ ░░░ ░░░░░░░░ ░░░░░░ ░░░ ░░░░░░ ░░░░░░ ░░░░░░░░ ░░ \n"
"StarLordCLI :: version 0.0.1 ")
], align='center')))
self.loop = urwid.MainLoop(self._frame, const_PALETTE, unhandled_input=self.keyHandler)
# Creation du menu
self._frame.set_header(self.buildMenu())
# creation de la bar de status
self.status_bar = urwid.AttrWrap(urwid.Text("Type help for instructions, :q to quit."), "status_bar")
self.command_prompt = CommandPrompt(self)
self.footer = urwid.Pile([urwid.AttrMap(self.status_bar, 'footer'), self.command_prompt])
self._frame.set_footer(self.footer)
# Focus sur le menu
self._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._frame.set_body(new_widget)
self.loop.draw_screen()
self._frame.set_focus('header')
def menu_cb(self, menu_data):
self._messageExit("Menu selected: %s/%s" % menu_data)
def exit_cb(self, menu_data):
self._messageExit("Exiting throught 'Quitter' menu item")
time.sleep(1)
raise urwid.ExitMainLoop()
def buildMenu(self):
"""Construction du menu"""
self.menu = Menu(self.loop)
_menu1 = "Fichier"
self.menu.addMenu(_menu1, "Help", 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, "Quitter (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()
if input == ':':
self._frame.set_focus('footer')
self.command_prompt.set_caption(':')
if input == '/':
self._frame.set_focus('footer')
self.command_prompt.set_caption('/')
# add change focus on tab key
if input == 'tab':
foc = self._frame.get_focus()
if foc == 'header':
self._frame.set_focus('body')
if foc == 'body':
self._frame.set_focus('header')
else:
return self.menu.checkShortcuts(input) #needed to manage shortcuts
class MainMenu(object):
def __init__(self, App):
self._App = App
def build(self):
self._Menu = Menu(self._App.loop)
menu1 = "File"
self._Menu.addMenu(menu1, "Load Trajectory", self.choiceLoadTrajectory)
self._Menu.addMenu(menu1, "Exit (Ctrl+X)", self.choiceExit, 'ctrl x')
menu2 = "Trajectory"
self._Menu.addMenu(menu2, "Play", self.choicePlayTrajectory)
self._Menu.addMenu(menu2, "Next", self.choiceNextPosition)
self._Menu.addMenu(menu2, "Previous", self.choicePrevPosition)
self._Menu.addMenu(menu2, "Rewind", self.choiceRewindTrajectory)
menu3 = "Help"
self._Menu.addMenu(menu3, "ROS", self.menu_cb)
self._Menu.addMenu(menu3, "About App", self.menu_cb)
return self._Menu
def choiceLoadTrajectory(self, menu_data):
new_widget = MyFileDialog(self._App)
self._App.loop.widget = new_widget
self._App.bottom_bar.addMessage("Trajectory loaded.")
def choicePlayTrajectory(self, menu_data):
self._App._showMessage("Executing trajectory.")
self._App.bottom_bar.addMessage("Waiting.")
global _tp
_tp.playTrajectory()
self._App.bottom_bar.addMessage("Ready.")
def choiceNextPosition(self, menu_data):
global _tp, _conn
p = _tp._Trajectory.nextPosition()
_conn.sendPosition(p)
def choicePrevPosition(self, menu_data):
global _tp, _conn
p = _tp._Trajectory.previousPosition()
_conn.sendPosition(p)
def choiceRewindTrajectory(self, menu_data):
global _tp
_tp._Trajectory.rewind()
def choiceExit(self, menu_data):
global _conn
_conn.stop()
self._App._exit()
def menu_cb(self, menu_data):
self._App._showMessage("Menu selected: %s/%s" % menu_data)
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