2015-06-09 03:40:41 +00:00
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# Copyright 2015 Canonical, Ltd.
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2015-06-10 20:59:55 +00:00
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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2019-09-05 00:05:19 +00:00
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import logging
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2018-06-21 21:38:18 +00:00
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from urwid import (
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2019-09-25 01:29:44 +00:00
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int_scale,
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SolidFill,
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2018-06-21 21:38:18 +00:00
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Text,
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)
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2019-09-05 00:05:19 +00:00
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2018-06-21 21:38:18 +00:00
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from subiquitycore.ui.container import (
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2019-09-05 00:05:19 +00:00
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Columns,
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2018-06-21 21:38:18 +00:00
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Pile,
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WidgetWrap,
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)
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2019-09-25 01:29:44 +00:00
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from subiquitycore.ui.utils import Color
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2019-09-05 00:05:19 +00:00
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from subiquitycore.ui.width import widget_width
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log = logging.getLogger('subiquitycore.ui.anchors')
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2015-06-09 03:40:41 +00:00
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2019-09-25 01:29:44 +00:00
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class HeaderColumns(Columns):
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2019-09-05 00:05:19 +00:00
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# The idea is to render output like this:
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#
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2019-09-25 01:29:44 +00:00
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# [ pad ][ message ][ btn ][ pad ]
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#
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# The constraints are:
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#
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# 1. pad + message + btn + pad = maxcol
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#
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# 2. pad is at least 1
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#
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# 3. btn is fixed
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#
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# 4. message + btn is 79% of maxcol or 76, whichever is greater.
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def column_widths(self, size, focus=False):
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maxcol = size[0]
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btn = widget_width(self.contents[2][0])
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2019-09-25 01:29:44 +00:00
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center = max(int_scale(79, 101, maxcol + 1), 76)
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message = center - btn
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pad = (maxcol - center)//2
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2020-04-28 09:32:46 +00:00
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if pad <= 0:
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pad = 1
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message = maxcol - 2 - btn
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return [pad, message, btn, pad]
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2019-09-05 00:05:19 +00:00
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2015-06-09 03:40:41 +00:00
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2019-09-25 01:29:44 +00:00
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class Header(WidgetWrap):
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""" Header Widget """
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2015-06-16 23:16:40 +00:00
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2019-09-25 01:29:44 +00:00
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def __init__(self, title, right_icon):
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if isinstance(title, str):
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title = Text(title)
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title = HeaderColumns([
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Text(""),
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title,
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right_icon,
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Text(""),
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])
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super().__init__(
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Pile([
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(1, Color.frame_header_fringe(
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SolidFill("\N{lower half block}"))),
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Color.frame_header(title),
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(1, Color.frame_header_fringe(
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SolidFill("\N{upper half block}"))),
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]))
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