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annotate libervia/tui/widget.py @ 4210:9218d4331bb2

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cli (call): `tui` output implementation: - Moved original UI to a separated class, and use if with the `simple` output - By default, best output is automatically selected. For now `gui` is selected if possible, and `simple` is used as fallback. - The new `tui` output can be used to have the videos directly embedded in the terminal, either with real videos for compatible terminal emulators, or with Unicode blocks. - Text contrôls are used for both `simple` and `tui` outputs - several options can be used with `--oo` (will be documented in next commit). rel 428
author Goffi <goffi@goffi.org>
date Fri, 16 Feb 2024 18:46:06 +0100
parents b620a8e882e1
children
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1 #!/usr/bin/env python3
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2
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4 # Libervia TUI
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5 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 from libervia.backend.core import log as logging
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21
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22 log = logging.getLogger(__name__)
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23 import urwid
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24 from urwid_satext import sat_widgets
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25 from libervia.tui.keys import action_key_map as a_key
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26
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27
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28 class LiberviaTUIWidget(urwid.WidgetWrap):
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29 """Base widget for LiberviaTUI"""
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31 def __init__(self, w, title=""):
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32 self._title = title
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33 self._title_dynamic = None
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34 self._original_widget = w
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35 urwid.WidgetWrap.__init__(self, self._get_decoration(w))
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37 @property
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38 def title(self):
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39 """Text shown in title bar of the widget"""
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41 # profiles currently managed by frontend
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42 try:
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43 all_profiles = self.host.profiles
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44 except AttributeError:
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45 all_profiles = []
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47 # profiles managed by the widget
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48 try:
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49 profiles = self.profiles
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50 except AttributeError:
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51 try:
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52 profiles = [self.profile]
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53 except AttributeError:
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54 profiles = []
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56 title_elts = []
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57 if self._title:
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58 title_elts.append(self._title)
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59 if self._title_dynamic:
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60 title_elts.append(self._title_dynamic)
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61 if len(all_profiles) > 1 and profiles:
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62 title_elts.append("[{}]".format(", ".join(profiles)))
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63 return sat_widgets.SurroundedText(" ".join(title_elts))
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65 @title.setter
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66 def title(self, value):
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67 self._title = value
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68 if self.decoration_visible:
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69 self.show_decoration()
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71 @property
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72 def title_dynamic(self):
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73 """Dynamic part of title"""
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74 return self._title_dynamic
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75
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76 @title_dynamic.setter
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77 def title_dynamic(self, value):
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78 self._title_dynamic = value
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79 if self.decoration_visible:
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80 self.show_decoration()
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81
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82 @property
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83 def decoration_visible(self):
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84 """True if the decoration is visible"""
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85 return isinstance(self._w, sat_widgets.LabelLine)
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86
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87 def keypress(self, size, key):
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88 if key == a_key["DECORATION_HIDE"]: # user wants to (un)hide widget decoration
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89 show = not self.decoration_visible
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90 self.show_decoration(show)
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91 else:
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92 return super(LiberviaTUIWidget, self).keypress(size, key)
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93
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94 def _get_decoration(self, widget):
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95 return sat_widgets.LabelLine(widget, self.title)
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96
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97 def show_decoration(self, show=True):
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98 """Show/Hide the decoration around the window"""
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99 self._w = (
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100 self._get_decoration(self._original_widget) if show else self._original_widget
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101 )
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102
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103 def get_menu(self):
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104 raise NotImplementedError