Mercurial > libervia-desktop-kivy
annotate cagou/core/menu.py @ 376:9ef01266e3fe
core: new extra menu:
a new "extra" menu is added in CagouWidget's header selector (at the end). This activate a
side menu with global actions, like showing the "about" screen. Platform specific menus
can be added with `local_platform.on_extra_menu_init`.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 27 Jan 2020 21:17:09 +0100 |
| parents | 5d994be1161b |
| children | 4d660b252487 |
| rev | line source |
|---|---|
| 51 | 1 #!/usr/bin/python |
| 2 # -*- coding: utf-8 -*- | |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 282 | 5 # Copyright (C) 2016-2019 Jérôme Poisson (goffi@goffi.org) |
| 51 | 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 | |
| 21 from sat.core.i18n import _ | |
| 22 from sat.core import log as logging | |
| 23 from cagou.core.constants import Const as C | |
|
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24 from cagou.core.common import JidToggle |
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25 from kivy.uix.boxlayout import BoxLayout |
| 51 | 26 from kivy.uix.label import Label |
| 376 | 27 from kivy.uix.button import Button |
| 51 | 28 from kivy.uix.popup import Popup |
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29 from cagou.core.utils import FilterBehavior |
| 51 | 30 from kivy import properties |
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31 from kivy_garden import modernmenu |
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32 from kivy.core.window import Window |
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33 from kivy.animation import Animation |
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34 from kivy.metrics import dp |
| 222 | 35 from kivy.clock import Clock |
| 51 | 36 from cagou import G |
| 222 | 37 from functools import partial |
| 51 | 38 import webbrowser |
| 39 | |
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40 log = logging.getLogger(__name__) |
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41 |
| 312 | 42 ABOUT_TITLE = _("About {}".format(C.APP_NAME)) |
| 43 ABOUT_CONTENT = _("""[b]Cagou (Salut à Toi)[/b] | |
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44 |
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45 [u]cagou version[/u]: |
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46 {version} |
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47 |
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48 [u]backend version[/u]: |
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49 {backend_version} |
| 51 | 50 |
| 51 Cagou is a libre communication tool based on libre standard XMPP. | |
| 52 | |
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53 Cagou is part of the "Salut à Toi" project (desktop/mobile frontend) |
| 51 | 54 more informations at [color=5500ff][ref=website]salut-a-toi.org[/ref][/color] |
| 246 | 55 """) |
| 51 | 56 |
| 57 | |
| 58 class AboutContent(Label): | |
| 59 | |
| 60 def on_ref_press(self, value): | |
| 61 if value == "website": | |
| 62 webbrowser.open("https://salut-a-toi.org") | |
| 63 | |
| 64 | |
| 65 class AboutPopup(Popup): | |
| 66 | |
| 67 def on_touch_down(self, touch): | |
| 68 if self.collide_point(*touch.pos): | |
| 69 self.dismiss() | |
| 70 return super(AboutPopup, self).on_touch_down(touch) | |
| 71 | |
| 72 | |
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73 class TransferItem(BoxLayout): |
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74 plug_info = properties.DictProperty() |
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75 |
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76 def on_touch_up(self, touch): |
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77 if not self.collide_point(*touch.pos): |
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78 return super(TransferItem, self).on_touch_up(touch) |
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79 else: |
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80 transfer_menu = self.parent |
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81 while not isinstance(transfer_menu, TransferMenu): |
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82 transfer_menu = transfer_menu.parent |
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83 transfer_menu.do_callback(self.plug_info) |
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84 return True |
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85 |
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86 |
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87 class SideMenu(BoxLayout): |
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88 size_hint_close = (0, 1) |
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89 size_hint_open = (0.4, 1) |
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90 size_close = (100, 100) |
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91 size_open = (0, 0) |
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92 bg_color = properties.ListProperty([0, 0, 0, 1]) |
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93 # callback will be called with arguments relevant to menu |
| 86 | 94 callback = properties.ObjectProperty() |
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95 # call do_callback even when menu is cancelled |
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96 callback_on_close = properties.BooleanProperty(False) |
| 86 | 97 # cancel callback need to remove the widget for UI |
| 98 # will be called with the widget to remove as argument | |
| 99 cancel_cb = properties.ObjectProperty() | |
| 100 | |
| 101 def __init__(self, **kwargs): | |
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102 super(SideMenu, self).__init__(**kwargs) |
| 86 | 103 if self.cancel_cb is None: |
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104 self.cancel_cb = self.onMenuCancelled |
| 86 | 105 |
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106 def _set_anim_kw(self, kw, size_hint, size): |
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107 """Set animation keywords |
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108 |
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109 for each value of size_hint it is used if not None, |
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110 else size is used. |
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111 If one value of size is bigger than the respective one of Window |
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112 the one of Window is used |
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113 """ |
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114 size_hint_x, size_hint_y = size_hint |
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115 width, height = size |
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116 if size_hint_x is not None: |
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117 kw['size_hint_x'] = size_hint_x |
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118 elif width is not None: |
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119 kw['width'] = min(width, Window.width) |
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120 |
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121 if size_hint_y is not None: |
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122 kw['size_hint_y'] = size_hint_y |
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123 elif height is not None: |
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124 kw['height'] = min(height, Window.height) |
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125 |
| 86 | 126 def show(self, caller_wid=None): |
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127 Window.bind(on_keyboard=self.key_input) |
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128 G.host.app.root.add_widget(self) |
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129 kw = {'d': 0.3, 't': 'out_back'} |
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130 self._set_anim_kw(kw, self.size_hint_open, self.size_open) |
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131 Animation(**kw).start(self) |
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132 |
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133 def hide(self): |
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134 Window.unbind(on_keyboard=self.key_input) |
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135 kw = {'d': 0.2} |
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136 self._set_anim_kw(kw, self.size_hint_close, self.size_close) |
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137 anim = Animation(**kw) |
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138 anim.bind(on_complete=lambda anim, menu: self.parent.remove_widget(self)) |
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139 anim.start(self) |
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140 if self.callback_on_close: |
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141 self.do_callback() |
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142 |
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143 def on_touch_down(self, touch): |
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144 # we remove the menu if we click outside |
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145 # else we want to handle the event, but not |
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146 # transmit it to parents |
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147 if not self.collide_point(*touch.pos): |
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148 self.hide() |
| 86 | 149 else: |
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150 return super(SideMenu, self).on_touch_down(touch) |
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151 return True |
| 86 | 152 |
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153 def key_input(self, window, key, scancode, codepoint, modifier): |
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154 if key == 27: |
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155 self.hide() |
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156 return True |
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157 |
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158 def onMenuCancelled(self, wid, cleaning_cb=None): |
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159 self._closeUI(wid) |
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160 if cleaning_cb is not None: |
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161 cleaning_cb() |
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162 |
| 86 | 163 def _closeUI(self, wid): |
| 164 G.host.closeUI() | |
| 165 | |
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166 def do_callback(self, *args, **kwargs): |
| 312 | 167 log.warning("callback not implemented") |
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168 |
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169 |
| 376 | 170 class ExtraMenuItem(Button): |
| 171 pass | |
| 172 | |
| 173 | |
| 174 class ExtraSideMenu(SideMenu): | |
| 175 """Menu with general app actions like showing the about widget""" | |
| 176 | |
| 177 def __init__(self, **kwargs): | |
| 178 super().__init__(**kwargs) | |
| 179 G.local_platform.on_extra_menu_init(self) | |
| 180 | |
| 181 def addItem(self, label, callback): | |
| 182 self.add_widget( | |
| 183 ExtraMenuItem( | |
| 184 text=label, | |
| 185 on_press=partial(self.onItemPress, callback=callback), | |
| 186 ), | |
| 187 # we want the new item above "About" and last empty Widget | |
| 188 index=2) | |
| 189 | |
| 190 def onItemPress(self, *args, callback): | |
| 191 self.hide() | |
| 192 callback() | |
| 193 | |
| 194 def onAbout(self): | |
| 195 self.hide() | |
| 196 about = AboutPopup() | |
| 197 about.title = ABOUT_TITLE | |
| 198 about.content = AboutContent( | |
| 199 text=ABOUT_CONTENT.format( | |
| 200 backend_version = G.host.backend_version, | |
| 201 version=G.host.version), | |
| 202 markup=True) | |
| 203 about.open() | |
| 204 | |
| 205 | |
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206 class TransferMenu(SideMenu): |
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207 """transfer menu which handle display and callbacks""" |
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208 # callback will be called with path to file to transfer |
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209 # profiles if set will be sent to transfer widget, may be used to get specific files |
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210 profiles = properties.ObjectProperty() |
| 312 | 211 transfer_txt = _("Beware! The file will be sent to your server and stay unencrypted " |
| 212 "there\nServer admin(s) can see the file, and they choose how, " | |
| 213 "when and if it will be deleted") | |
| 214 send_txt = _("The file will be sent unencrypted directly to your contact " | |
| 215 "(without transiting by the server), except in some cases") | |
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216 items_layout = properties.ObjectProperty() |
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216
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217 size_hint_close = (1, 0) |
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218 size_hint_open = (1, 0.5) |
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219 |
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220 def __init__(self, **kwargs): |
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221 super(TransferMenu, self).__init__(**kwargs) |
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222 if self.profiles is None: |
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223 self.profiles = iter(G.host.profiles) |
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224 for plug_info in G.host.getPluggedWidgets(type_=C.PLUG_TYPE_TRANSFER): |
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225 item = TransferItem( |
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226 plug_info = plug_info |
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227 ) |
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228 self.items_layout.add_widget(item) |
| 86 | 229 |
| 230 def do_callback(self, plug_info): | |
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231 self.parent.remove_widget(self) |
| 86 | 232 if self.callback is None: |
| 312 | 233 log.warning("TransferMenu callback is not set") |
| 86 | 234 else: |
| 235 wid = None | |
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236 external = plug_info.get('external', False) |
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237 def onTransferCb(file_path, cleaning_cb=None): |
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238 if not external: |
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239 self._closeUI(wid) |
|
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240 self.callback( |
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241 file_path, |
| 222 | 242 transfer_type = (C.TRANSFER_UPLOAD |
|
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243 if self.ids['upload_btn'].state == "down" else C.TRANSFER_SEND), |
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244 cleaning_cb=cleaning_cb, |
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245 ) |
| 222 | 246 wid = plug_info['factory'](plug_info, |
| 247 onTransferCb, | |
| 248 self.cancel_cb, | |
| 249 self.profiles) | |
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250 if not external: |
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251 G.host.showExtraUI(wid) |
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252 |
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253 |
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254 class EntitiesSelectorMenu(SideMenu, FilterBehavior): |
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255 """allow to select entities from roster""" |
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256 profiles = properties.ObjectProperty() |
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257 layout = properties.ObjectProperty() |
| 312 | 258 instructions = properties.StringProperty(_("Please select entities")) |
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259 filter_input = properties.ObjectProperty() |
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260 size_hint_close = (None, 1) |
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261 size_hint_open = (None, 1) |
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262 size_open = (dp(250), 100) |
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263 size_close = (0, 100) |
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264 |
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265 def __init__(self, **kwargs): |
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266 super(EntitiesSelectorMenu, self).__init__(**kwargs) |
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267 self.filter_input.bind(text=self.do_filter_input) |
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268 if self.profiles is None: |
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269 self.profiles = iter(G.host.profiles) |
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270 for profile in self.profiles: |
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271 for jid_, jid_data in G.host.contact_lists[profile].all_iter: |
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272 jid_wid = JidToggle( |
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273 jid=jid_, |
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274 profile=profile) |
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275 self.layout.add_widget(jid_wid) |
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276 |
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277 def do_callback(self): |
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278 if self.callback is not None: |
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279 jids = [c.jid for c in self.layout.children if c.state == 'down'] |
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280 self.callback(jids) |
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281 |
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282 def do_filter_input(self, filter_input, text): |
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283 self.layout.spacing = 0 if text else dp(5) |
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284 self.do_filter(self.layout.children, |
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285 text, |
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286 lambda c: c.jid, |
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287 width_cb=lambda c: c.width, |
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288 height_cb=lambda c: dp(70)) |
| 222 | 289 |
| 290 | |
| 291 class TouchMenu(modernmenu.ModernMenu): | |
| 292 pass | |
| 293 | |
| 294 | |
| 295 class TouchMenuItemBehaviour(object): | |
| 296 """Class to use on every item where a menu may appear | |
| 297 | |
| 298 main_wid attribute must be set to the class inheriting from TouchMenuBehaviour | |
| 299 do_item_action is the method called on simple click | |
| 300 getMenuChoices must return a list of menus for long press | |
| 301 menus there are dict as expected by ModernMenu | |
| 302 (translated text, index and callback) | |
| 303 """ | |
| 304 main_wid = properties.ObjectProperty() | |
| 305 click_timeout = properties.NumericProperty(0.4) | |
| 306 | |
| 307 def on_touch_down(self, touch): | |
| 308 if not self.collide_point(*touch.pos): | |
| 309 return | |
| 310 t = partial(self.open_menu, touch) | |
| 311 touch.ud['menu_timeout'] = t | |
| 312 Clock.schedule_once(t, self.click_timeout) | |
| 313 return super(TouchMenuItemBehaviour, self).on_touch_down(touch) | |
| 314 | |
| 315 def do_item_action(self, touch): | |
| 316 pass | |
| 317 | |
| 318 def on_touch_up(self, touch): | |
| 319 if touch.ud.get('menu_timeout'): | |
| 320 Clock.unschedule(touch.ud['menu_timeout']) | |
| 321 if self.collide_point(*touch.pos) and self.main_wid.menu is None: | |
| 322 self.do_item_action(touch) | |
| 323 return super(TouchMenuItemBehaviour, self).on_touch_up(touch) | |
| 324 | |
| 325 def open_menu(self, touch, dt): | |
| 326 self.main_wid.open_menu(self, touch) | |
| 327 del touch.ud['menu_timeout'] | |
| 328 | |
| 329 def getMenuChoices(self): | |
| 330 """return choice adapted to selected item | |
| 331 | |
| 332 @return (list[dict]): choices ad expected by ModernMenu | |
| 333 """ | |
| 334 return [] | |
| 335 | |
| 336 | |
| 337 class TouchMenuBehaviour(object): | |
| 338 """Class to handle a menu appearing on long press on items | |
| 339 | |
| 340 classes using this behaviour need to have a float_layout property | |
| 341 pointing the main FloatLayout. | |
| 342 """ | |
| 343 float_layout = properties.ObjectProperty() | |
| 344 | |
| 345 def __init__(self, *args, **kwargs): | |
| 346 super(TouchMenuBehaviour, self).__init__(*args, **kwargs) | |
| 347 self.menu = None | |
| 348 self.menu_item = None | |
| 349 | |
| 350 ## menu methods ## | |
| 351 | |
| 352 def clean_fl_children(self, layout, children): | |
| 353 """insure that self.menu and self.menu_item are None when menu is dimissed""" | |
| 354 if self.menu is not None and self.menu not in children: | |
| 355 self.menu = self.menu_item = None | |
| 356 | |
| 357 def clear_menu(self): | |
| 358 """remove menu if there is one""" | |
| 359 if self.menu is not None: | |
| 360 self.menu.dismiss() | |
| 361 self.menu = None | |
| 362 self.menu_item = None | |
| 363 | |
| 364 def open_menu(self, item, touch): | |
| 365 """open menu for item | |
| 366 | |
| 367 @param item(PathWidget): item when the menu has been requested | |
| 368 @param touch(kivy.input.MotionEvent): touch data | |
| 369 """ | |
| 370 if self.menu_item == item: | |
| 371 return | |
| 372 self.clear_menu() | |
| 373 pos = self.to_widget(*touch.pos) | |
| 374 choices = item.getMenuChoices() | |
| 375 if not choices: | |
| 376 return | |
| 377 self.menu = TouchMenu(choices=choices, | |
|
365
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378 center=pos, |
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379 size_hint=(None, None)) |
| 222 | 380 self.float_layout.add_widget(self.menu) |
| 381 self.menu.start_display(touch) | |
| 382 self.menu_item = item | |
| 383 | |
| 384 def on_float_layout(self, wid, float_layout): | |
| 385 float_layout.bind(children=self.clean_fl_children) |