Mercurial > libervia-desktop-kivy
annotate libervia/desktop_kivy/core/cagou_widget.py @ 508:d87b9a6b0b69
doc (calls): updated documentation to describe the new UI features:
fix 425
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Wed, 25 Oct 2023 15:29:33 +0200 |
| parents | b3cedbee561d |
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| rev | line source |
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| 379 | 1 #!/usr/bin/env python3 |
| 2 | |
| 10 | 3 |
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4 #Libervia Desktop-Kivy |
| 461 | 5 # Copyright (C) 2016-2021 Jérôme Poisson (goffi@goffi.org) |
| 10 | 6 |
| 7 # This program is free software: you can redistribute it and/or modify | |
| 8 # it under the terms of the GNU Affero General Public License as published by | |
| 9 # the Free Software Foundation, either version 3 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 | |
| 12 # This program is distributed in the hope that it will be useful, | |
| 13 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 # GNU Affero General Public License for more details. | |
| 16 | |
| 17 # You should have received a copy of the GNU Affero General Public License | |
| 18 # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 19 | |
| 20 | |
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21 from functools import total_ordering |
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22 from libervia.backend.core import log as logging |
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23 from libervia.backend.core import exceptions |
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24 from kivy.uix.behaviors import ButtonBehavior |
| 10 | 25 from kivy.uix.boxlayout import BoxLayout |
| 26 from kivy.uix.dropdown import DropDown | |
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27 from kivy.uix.screenmanager import Screen |
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28 from kivy.uix.textinput import TextInput |
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29 from kivy import properties |
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30 from libervia.desktop_kivy import G |
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31 from .common import ActionIcon |
| 376 | 32 from . import menu |
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33 |
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34 |
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35 log = logging.getLogger(__name__) |
| 10 | 36 |
| 37 | |
| 376 | 38 class HeaderChoice(ButtonBehavior, BoxLayout): |
| 39 pass | |
| 40 | |
| 41 | |
| 42 class HeaderChoiceWidget(HeaderChoice): | |
| 43 cagou_widget = properties.ObjectProperty() | |
| 44 plugin_info = properties.ObjectProperty() | |
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45 |
| 376 | 46 def __init__(self, **kwargs): |
| 47 super().__init__(**kwargs) | |
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48 self.bind(on_release=lambda btn: self.cagou_widget.switch_widget( |
| 376 | 49 self.plugin_info)) |
| 50 | |
| 51 | |
| 52 class HeaderChoiceExtraMenu(HeaderChoice): | |
| 53 pass | |
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54 |
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55 |
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56 class HeaderWidgetCurrent(ButtonBehavior, ActionIcon): |
| 14 | 57 pass |
| 58 | |
| 59 | |
| 10 | 60 class HeaderWidgetSelector(DropDown): |
| 14 | 61 |
| 62 def __init__(self, cagou_widget): | |
| 63 super(HeaderWidgetSelector, self).__init__() | |
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64 plg_info_cls = cagou_widget.plugin_info_class or cagou_widget.__class__ |
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65 for plugin_info in G.host.get_plugged_widgets(except_cls=plg_info_cls): |
| 376 | 66 choice = HeaderChoiceWidget( |
| 67 cagou_widget=cagou_widget, | |
| 68 plugin_info=plugin_info, | |
| 69 ) | |
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70 self.add_widget(choice) |
| 376 | 71 main_menu = HeaderChoiceExtraMenu(on_press=self.on_extra_menu) |
| 72 self.add_widget(main_menu) | |
| 10 | 73 |
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74 def add_widget(self, *args): |
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75 widget = args[0] |
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76 widget.bind(minimum_width=self.set_width) |
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77 return super(HeaderWidgetSelector, self).add_widget(*args) |
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78 |
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79 def set_width(self, choice, minimum_width): |
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80 self.width = max([c.minimum_width for c in self.container.children]) |
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81 |
| 376 | 82 def on_extra_menu(self, *args): |
| 83 self.dismiss() | |
| 84 menu.ExtraSideMenu().show() | |
| 85 | |
| 10 | 86 |
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87 @total_ordering |
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88 class LiberviaDesktopKivyWidget(BoxLayout): |
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89 main_container = properties.ObjectProperty(None) |
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90 header_input = properties.ObjectProperty(None) |
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91 header_box = properties.ObjectProperty(None) |
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92 use_header_input = False |
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93 # set to True if you want to be able to switch between visible widgets of this |
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94 # class using a carousel |
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95 collection_carousel = False |
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96 # set to True if you a global ScreenManager global to all widgets of this class. |
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97 # The screen manager is created in WHWrapper |
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98 global_screen_manager = False |
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99 # override this if a specific class (i.e. not self.__class__) must be used for |
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100 # plugin info. Useful when a LiberviaDesktopKivyWidget is used with global_screen_manager. |
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101 plugin_info_class = None |
| 10 | 102 |
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103 def __init__(self, **kwargs): |
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104 plg_info_cls = self.plugin_info_class or self.__class__ |
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105 for p in G.host.get_plugged_widgets(): |
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106 if p['main'] == plg_info_cls: |
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107 self.plugin_info = p |
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108 break |
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109 super().__init__(**kwargs) |
| 14 | 110 self.selector = HeaderWidgetSelector(self) |
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111 if self.use_header_input: |
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112 self.header_input = TextInput( |
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113 background_normal=G.host.app.expand( |
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114 '{media}/misc/borders/border_hollow_light.png'), |
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115 multiline=False, |
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116 ) |
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117 self.header_input.bind( |
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118 on_text_validate=lambda *args: self.on_header_wid_input(), |
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119 text=self.on_header_wid_input_complete, |
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120 ) |
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121 self.header_box.add_widget(self.header_input) |
| 14 | 122 |
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123 def __lt__(self, other): |
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124 # XXX: sorting is notably used when collection_carousel is set |
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125 try: |
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126 target = str(self.target) |
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127 except AttributeError: |
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128 target = str(list(self.targets)[0]) |
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129 other_target = str(list(other.targets)[0]) |
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130 else: |
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131 other_target = str(other.target) |
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132 return target < other_target |
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133 |
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134 @property |
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135 def screen_manager(self): |
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136 if ((not self.global_screen_manager |
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137 and not (self.plugin_info_class is not None |
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138 and self.plugin_info_class.global_screen_manager))): |
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139 raise exceptions.InternalError( |
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140 "screen_manager property can't be used if global_screen_manager is not " |
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141 "set") |
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142 screen = self.get_ancestor(Screen) |
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143 if screen is None: |
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144 raise exceptions.NotFound("Can't find parent Screen") |
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145 if screen.manager is None: |
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146 raise exceptions.NotFound("Can't find parent ScreenManager") |
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147 return screen.manager |
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148 |
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149 @property |
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150 def whwrapper(self): |
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151 """Retrieve parent widget handler""" |
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152 return G.host.get_parent_wh_wrapper(self) |
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153 |
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154 def screen_manager_init(self, screen_manager): |
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155 """Override this method to do init when ScreenManager is instantiated |
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156 |
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157 This is only called once even if collection_carousel is used. |
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158 """ |
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159 if not self.global_screen_manager: |
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160 raise exceptions.InternalError("screen_manager_init should not be called") |
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161 |
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162 def get_ancestor(self, cls): |
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163 """Helper method to use host.get_ancestor_widget with self""" |
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164 return G.host.get_ancestor_widget(self, cls) |
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165 |
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166 def switch_widget(self, plugin_info): |
| 14 | 167 self.selector.dismiss() |
| 168 factory = plugin_info["factory"] | |
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169 new_widget = factory(plugin_info, None, iter(G.host.profiles)) |
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170 G.host.switch_widget(self, new_widget) |
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171 |
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172 def key_input(self, window, key, scancode, codepoint, modifier): |
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173 if key == 27: |
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174 # we go back to root screen |
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175 G.host.switch_widget(self) |
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176 return True |
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177 |
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178 def on_header_wid_input(self): |
| 312 | 179 log.info("header input text entered") |
| 51 | 180 |
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181 def on_header_wid_input_complete(self, wid, text): |
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182 return |
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183 |
| 51 | 184 def on_touch_down(self, touch): |
| 185 if self.collide_point(*touch.pos): | |
| 186 G.host.selected_widget = self | |
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187 return super(LiberviaDesktopKivyWidget, self).on_touch_down(touch) |
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188 |
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189 def header_input_add_extra(self, widget): |
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190 """add a widget on the right of header input""" |
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191 self.header_box.add_widget(widget) |
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192 |
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193 def on_visible(self): |
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194 pass |
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195 # log.debug(u"{self} is visible".format(self=self)) |
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196 |
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197 def on_not_visible(self): |
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198 pass |
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199 # log.debug(u"{self} is not visible anymore".format(self=self)) |