ea56380187
Gertty maps the <F1> key to show the help dialog. In gnome-terminal <F1> maps to the terminals help, capturing the <F1> before it gets to gertty. This change adds an additional help key <?> which will also display the help dialog. Change-Id: I97396c517f21774f0f5c94645169c83b76af2157
101 lines
3.5 KiB
Python
101 lines
3.5 KiB
Python
# Copyright 2014 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import urwid
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GLOBAL_HELP = """\
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Global Keys
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===========
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<F1> or <?> Help
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<ESC> Back to previous screen
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<CTRL-Q> Quit Gertty
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"""
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class TextButton(urwid.Button):
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def selectable(self):
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return True
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def __init__(self, text, on_press=None, user_data=None):
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super(TextButton, self).__init__('', on_press=on_press, user_data=user_data)
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self.text = urwid.Text(text)
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self._w = urwid.AttrMap(self.text, None, focus_map='focused')
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class FixedButton(urwid.Button):
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def sizing(self):
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return frozenset([urwid.FIXED])
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def pack(self, size, focus=False):
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return (len(self.get_label())+4, 1)
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class TableColumn(urwid.Pile):
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def pack(self, size, focus=False):
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mx = max([len(i[0].text) for i in self.contents])
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return (mx+2, len(self.contents))
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class Table(urwid.WidgetWrap):
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def __init__(self, headers=[], columns=None):
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if columns is None:
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cols = [('pack', TableColumn([('pack', w)])) for w in headers]
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else:
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cols = [('pack', TableColumn([])) for x in range(columns)]
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super(Table, self).__init__(
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urwid.Columns(cols))
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def addRow(self, cells=[]):
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for i, widget in enumerate(cells):
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self._w.contents[i][0].contents.append((widget, ('pack', None)))
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class ButtonDialog(urwid.WidgetWrap):
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def __init__(self, title, message, buttons=[]):
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button_widgets = []
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for button in buttons:
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button_widgets.append(('pack', button))
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button_columns = urwid.Columns(button_widgets, dividechars=2)
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rows = []
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rows.append(urwid.Text(message))
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rows.append(urwid.Divider())
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rows.append(button_columns)
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pile = urwid.Pile(rows)
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fill = urwid.Filler(pile, valign='top')
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super(ButtonDialog, self).__init__(urwid.LineBox(fill, title))
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class MessageDialog(ButtonDialog):
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signals = ['close']
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def __init__(self, title, message):
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ok_button = FixedButton('OK')
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urwid.connect_signal(ok_button, 'click',
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lambda button:self._emit('close'))
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super(MessageDialog, self).__init__(title, message, buttons=[ok_button])
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class YesNoDialog(ButtonDialog):
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signals = ['yes', 'no']
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def __init__(self, title, message):
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yes_button = FixedButton('Yes')
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no_button = FixedButton('No')
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urwid.connect_signal(yes_button, 'click',
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lambda button:self._emit('yes'))
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urwid.connect_signal(no_button, 'click',
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lambda button:self._emit('no'))
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super(YesNoDialog, self).__init__(title, message, buttons=[yes_button,
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no_button])
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def keypress(self, size, key):
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r = super(YesNoDialog, self).keypress(size, key)
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if r in ('Y', 'y'):
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self._emit('yes')
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return None
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if r in ('N', 'n'):
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self._emit('no')
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return None
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return r
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