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annotate libervia/desktop_kivy/core/common_widgets.py @ 493:b3cedbee561d

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refactoring: rename `cagou` to `libervia.desktop_kivy` + update imports and names following backend changes
author Goffi <goffi@goffi.org>
date Fri, 02 Jun 2023 18:26:16 +0200
parents cagou/core/common_widgets.py@203755bbe0fe
children
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1 #!/usr/bin/env python3
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2
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3 #Libervia Desktop-Kivy
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4 # Copyright (C) 2016-2021 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 """common advanced widgets, which can be reused everywhere."""
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20
424
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21 from kivy.clock import Clock
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22 from kivy import properties
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23 from kivy.metrics import dp
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24 from kivy.uix.scatterlayout import ScatterLayout
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25 from kivy.uix.boxlayout import BoxLayout
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26 from kivy.uix.label import Label
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27 from libervia.backend.core.i18n import _
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28 from libervia.backend.core import log as logging
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29 from libervia.desktop_kivy import G
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30 from .behaviors import TouchMenuItemBehavior
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31
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32 log = logging.getLogger(__name__)
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33
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34
324
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35 class DelayedBoxLayout(BoxLayout):
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36 """A BoxLayout with delayed layout, to avoid slowing down during resize"""
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37 # XXX: thanks to Alexander Taylor for his blog post at
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38 # https://blog.kivy.org/2019/07/a-delayed-resize-layout-in-kivy/
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39
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40 do_layout_event = properties.ObjectProperty(None, allownone=True)
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41 layout_delay_s = properties.NumericProperty(0.2)
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42 #: set this to X to force next X layouts to be done without delay
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43 dont_delay_next_layouts = properties.NumericProperty(0)
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44
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45 def do_layout(self, *args, **kwargs):
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46 if self.do_layout_event is not None:
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47 self.do_layout_event.cancel()
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48 if self.dont_delay_next_layouts>0:
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49 self.dont_delay_next_layouts-=1
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50 super().do_layout()
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51 else:
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52 real_do_layout = super().do_layout
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53 self.do_layout_event = Clock.schedule_once(
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54 lambda dt: real_do_layout(*args, **kwargs),
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55 self.layout_delay_s)
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56
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57
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58 class Identities(object):
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59
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60 def __init__(self, entity_ids):
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61 identities = {}
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62 for cat, type_, name in entity_ids:
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63 identities.setdefault(cat, {}).setdefault(type_, []).append(name)
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64 client = identities.get('client', {})
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65 if 'pc' in client:
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66 self.type = 'desktop'
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67 elif 'phone' in client:
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68 self.type = 'phone'
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69 elif 'web' in client:
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70 self.type = 'web'
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71 elif 'console' in client:
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72 self.type = 'console'
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73 else:
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74 self.type = 'desktop'
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75
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76 self.identities = identities
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77
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78 @property
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79 def name(self):
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80 first_identity = next(iter(self.identities.values()))
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81 names = next(iter(first_identity.values()))
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82 return names[0]
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83
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84
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85 class ItemWidget(TouchMenuItemBehavior, BoxLayout):
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86 name = properties.StringProperty()
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87 base_width = properties.NumericProperty(dp(100))
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88
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89
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90 class DeviceWidget(ItemWidget):
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91
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92 def __init__(self, main_wid, entity_jid, identities, **kw):
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93 self.entity_jid = entity_jid
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94 self.identities = identities
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95 own_jid = next(iter(G.host.profiles.values())).whoami
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96 self.own_device = entity_jid.bare == own_jid.bare
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97 if self.own_device:
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98 name = self.identities.name
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99 elif self.entity_jid.node:
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100 name = self.entity_jid.node
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101 elif self.entity_jid == own_jid.domain:
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102 name = _("your server")
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103 else:
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104 name = entity_jid
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105
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106 super(DeviceWidget, self).__init__(name=name, main_wid=main_wid, **kw)
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107
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108 @property
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109 def profile(self):
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110 return self.main_wid.profile
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111
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112 def get_symbol(self):
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113 if self.identities.type == 'desktop':
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114 return 'desktop'
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115 elif self.identities.type == 'phone':
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116 return 'mobile'
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117 elif self.identities.type == 'web':
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118 return 'globe'
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119 elif self.identities.type == 'console':
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120 return 'terminal'
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121 else:
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122 return 'desktop'
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123
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124 def do_item_action(self, touch):
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125 pass
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126
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127
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128 class CategorySeparator(Label):
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129 pass
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130
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131
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132 class ImageViewer(ScatterLayout):
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133 source = properties.StringProperty()
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134
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135 def on_touch_down(self, touch):
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136 if touch.is_double_tap:
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137 self.reset()
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138 return True
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139 return super().on_touch_down(touch)
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140
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141 def reset(self):
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142 self.rotation = 0
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143 self.scale = 1
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144 self.x = 0
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145 self.y = 0
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146
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147
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148 class ImagesGallery(BoxLayout):
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149 """Show list of images in a Carousel, with some controls to downloads"""
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150 sources = properties.ListProperty()
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151 carousel = properties.ObjectProperty()
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152 previous_slide = None
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153
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154 def on_kv_post(self, __):
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155 self.on_sources(None, self.sources)
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156 self.previous_slide = self.carousel.current_slide
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157 self.carousel.bind(current_slide=self.on_slide_change)
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158
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159 def on_parent(self, __, parent):
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160 # we hide the head widget to have full screen
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161 G.host.app.show_head_widget(not bool(parent), animation=False)
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162
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163 def on_sources(self, __, sources):
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164 if not sources or not self.carousel:
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165 return
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166 self.carousel.clear_widgets()
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167 for source in sources:
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168 img = ImageViewer(
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169 source=source,
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170 )
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171 self.carousel.add_widget(img)
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172
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173 def on_slide_change(self, __, slide):
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174 if isinstance(self.previous_slide, ImageViewer):
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175 self.previous_slide.reset()
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176
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177 self.previous_slide = slide
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178
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179 def key_input(self, window, key, scancode, codepoint, modifier):
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180 if key == 27:
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181 G.host.close_ui()
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182 return True