Mercurial > libervia-desktop-kivy

annotate cagou/core/common_widgets.py @ 424:027fad764864

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common widgets: ImagesGallery first draft: This widget handle the fullscreen display of images. Some features like sharing or download are planned in the future.
author Goffi <goffi@goffi.org>
date Wed, 26 Feb 2020 16:43:48 +0100
parents f7476818f9fb
children 036ff0ed7474
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1 #!/usr/bin/env python3
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3
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4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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4d660b252487 dates update
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5 # Copyright (C) 2016-2020 Jérôme Poisson (goffi@goffi.org)
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6
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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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11
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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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16
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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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19
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20 """common advanced widgets, which can be reused everywhere."""
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21
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22 from kivy.clock import Clock
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23 from kivy import properties
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24 from kivy.metrics import dp
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25 from kivy.uix.scatterlayout import ScatterLayout
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26 from kivy.uix.boxlayout import BoxLayout
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27 from kivy.uix.label import Label
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28 from sat.core.i18n import _
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29 from sat.core import log as logging
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30 from cagou import G
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31 from .behaviors import TouchMenuItemBehavior
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32
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33 log = logging.getLogger(__name__)
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35
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36 class DelayedBoxLayout(BoxLayout):
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37 """A BoxLayout with delayed layout, to avoid slowing down during resize"""
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38 # XXX: thanks to Alexander Taylor for his blog post at
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39 # https://blog.kivy.org/2019/07/a-delayed-resize-layout-in-kivy/
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40
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41 do_layout_event = properties.ObjectProperty(None, allownone=True)
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42 layout_delay_s = properties.NumericProperty(0.2)
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43 #: set this to X to force next X layouts to be done without delay
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44 dont_delay_next_layouts = properties.NumericProperty(0)
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46 def do_layout(self, *args, **kwargs):
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47 if self.do_layout_event is not None:
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48 self.do_layout_event.cancel()
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49 if self.dont_delay_next_layouts>0:
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50 self.dont_delay_next_layouts-=1
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51 super().do_layout()
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52 else:
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53 real_do_layout = super().do_layout
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54 self.do_layout_event = Clock.schedule_once(
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55 lambda dt: real_do_layout(*args, **kwargs),
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56 self.layout_delay_s)
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58
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59 class Identities(object):
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60
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61 def __init__(self, entity_ids):
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62 identities = {}
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63 for cat, type_, name in entity_ids:
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64 identities.setdefault(cat, {}).setdefault(type_, []).append(name)
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65 client = identities.get('client', {})
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66 if 'pc' in client:
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67 self.type = 'desktop'
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68 elif 'phone' in client:
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69 self.type = 'phone'
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70 elif 'web' in client:
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71 self.type = 'web'
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72 elif 'console' in client:
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73 self.type = 'console'
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74 else:
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75 self.type = 'desktop'
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76
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77 self.identities = identities
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78
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79 @property
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80 def name(self):
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81 first_identity = next(iter(self.identities.values()))
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82 names = next(iter(first_identity.values()))
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83 return names[0]
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84
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85
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86 class ItemWidget(TouchMenuItemBehavior, BoxLayout):
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87 name = properties.StringProperty()
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88 base_width = properties.NumericProperty(dp(100))
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89
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90
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91 class DeviceWidget(ItemWidget):
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92
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93 def __init__(self, main_wid, entity_jid, identities, **kw):
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94 self.entity_jid = entity_jid
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95 self.identities = identities
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96 own_jid = next(iter(G.host.profiles.values())).whoami
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97 self.own_device = entity_jid.bare == own_jid.bare
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98 if self.own_device:
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99 name = self.identities.name
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100 elif self.entity_jid.node:
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101 name = self.entity_jid.node
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102 elif self.entity_jid == own_jid.domain:
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103 name = _("your server")
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104 else:
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105 name = entity_jid
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106
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107 super(DeviceWidget, self).__init__(name=name, main_wid=main_wid, **kw)
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108
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109 @property
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110 def profile(self):
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111 return self.main_wid.profile
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112
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113 def getSymbol(self):
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114 if self.identities.type == 'desktop':
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115 return 'desktop'
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116 elif self.identities.type == 'phone':
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117 return 'mobile'
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118 elif self.identities.type == 'web':
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119 return 'globe'
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120 elif self.identities.type == 'console':
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121 return 'terminal'
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122 else:
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123 return 'desktop'
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124
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125 def do_item_action(self, touch):
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126 pass
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127
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128
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129 class CategorySeparator(Label):
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130 pass
424
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131
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132
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133 class ImageViewer(ScatterLayout):
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134 source = properties.StringProperty()
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135
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136
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137 class ImagesGallery(BoxLayout):
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138 """Show list of images in a Carousel, with some controls to downloads"""
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139 sources = properties.ListProperty()
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140 carousel = properties.ObjectProperty()
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141
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142 def on_kv_post(self, __):
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143 self.on_sources(None, self.sources)
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144
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145 def on_parent(self, __, parent):
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146 # we hide the head widget to have full screen
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147 G.host.app.showHeadWidget(not bool(parent), animation=False)
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148
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149 def on_sources(self, __, sources):
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150 if not sources or not self.carousel:
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151 return
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152 self.carousel.clear_widgets()
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153 for source in sources:
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154 img = ImageViewer(
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155 source=source,
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156 )
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157 self.carousel.add_widget(img)
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158
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159 def key_input(self, window, key, scancode, codepoint, modifier):
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160 if key == 27:
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161 G.host.closeUI()
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162 return True