Mercurial > libervia-desktop-kivy
annotate src/cagou/core/cagou_main.py @ 36:bd3ecac18870
cagou widget, root widget: used of dp to specify distances
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sun, 28 Aug 2016 15:27:42 +0200 |
| parents | 02acbb297a61 |
| children | 9f45098289cc |
| rev | line source |
|---|---|
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1 #!/usr//bin/env python2 |
| 0 | 2 # -*- coding: utf-8 -*- |
| 3 | |
| 4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client | |
| 5 # Copyright (C) 2016 Jérôme Poisson (goffi@goffi.org) | |
| 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 | |
| 14 | 21 from sat.core.i18n import _ |
|
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22 import logging_setter |
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23 logging_setter.set_logging() |
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24 from constants import Const as C |
| 0 | 25 from sat.core import log as logging |
| 26 log = logging.getLogger(__name__) | |
| 27 from sat_frontends.quick_frontend.quick_app import QuickApp | |
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28 from sat_frontends.quick_frontend import quick_widgets |
| 0 | 29 from sat_frontends.bridge.DBus import DBusBridgeFrontend |
| 30 import kivy | |
| 31 kivy.require('1.9.1') | |
| 32 import kivy.support | |
| 33 kivy.support.install_gobject_iteration() | |
| 34 from kivy.app import App | |
| 14 | 35 from kivy.lang import Builder |
| 29 | 36 from kivy import properties |
| 0 | 37 import xmlui |
| 38 from profile_manager import ProfileManager | |
| 13 | 39 from widgets_handler import WidgetsHandler |
| 29 | 40 from kivy.clock import Clock |
| 41 from kivy.uix.label import Label | |
| 9 | 42 from kivy.uix.boxlayout import BoxLayout |
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43 from kivy.uix.screenmanager import ScreenManager, Screen, FallOutTransition, RiseInTransition |
| 29 | 44 from kivy.uix.dropdown import DropDown |
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45 from cagou_widget import CagouWidget |
| 29 | 46 from .common import IconButton |
| 14 | 47 from importlib import import_module |
| 9 | 48 import os.path |
| 14 | 49 import glob |
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50 import cagou.plugins |
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51 import cagou.kv |
| 9 | 52 |
| 53 | |
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54 class NotifsIcon(IconButton): |
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55 notifs = properties.ListProperty() |
| 29 | 56 |
| 57 def on_release(self): | |
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58 callback, args, kwargs = self.notifs.pop(0) |
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59 callback(*args, **kwargs) |
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60 |
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61 def addNotif(self, callback, *args, **kwargs): |
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62 self.notifs.append((callback, args, kwargs)) |
| 29 | 63 |
| 64 | |
| 65 class Note(Label): | |
| 66 title = properties.StringProperty() | |
| 67 message = properties.StringProperty() | |
| 68 level = properties.OptionProperty(C.XMLUI_DATA_LVL_DEFAULT, options=list(C.XMLUI_DATA_LVLS)) | |
| 69 | |
| 70 | |
| 71 class NoteDrop(Note): | |
| 72 pass | |
| 73 | |
| 74 | |
| 75 class NotesDrop(DropDown): | |
| 76 clear_btn = properties.ObjectProperty() | |
| 77 | |
| 78 def __init__(self, notes): | |
| 79 super(NotesDrop, self).__init__() | |
| 80 self.notes = notes | |
| 81 | |
| 82 def open(self, widget): | |
| 83 self.clear_widgets() | |
| 84 for n in self.notes: | |
| 85 self.add_widget(NoteDrop(title=n.title, message=n.message, level=n.level)) | |
| 86 self.add_widget(self.clear_btn) | |
| 87 super(NotesDrop, self).open(widget) | |
| 88 | |
| 89 | |
| 90 class RootHeadWidget(BoxLayout): | |
| 91 """Notifications widget""" | |
| 92 manager = properties.ObjectProperty() | |
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93 notifs_icon = properties.ObjectProperty() |
| 29 | 94 notes = properties.ListProperty() |
| 95 | |
| 96 def __init__(self): | |
| 97 super(RootHeadWidget, self).__init__() | |
| 98 self.notes_last = None | |
| 99 self.notes_event = None | |
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100 self.notes_drop = NotesDrop(self.notes) |
| 29 | 101 |
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102 def addNotif(self, callback, *args, **kwargs): |
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103 self.notifs_icon.addNotif(callback, *args, **kwargs) |
| 29 | 104 |
| 105 def addNote(self, title, message, level): | |
| 106 note = Note(title=title, message=message, level=level) | |
| 107 self.notes.append(note) | |
| 108 if len(self.notes) > 10: | |
| 109 del self.notes[:-10] | |
| 110 if self.notes_event is None: | |
| 111 self.notes_event = Clock.schedule_interval(self._displayNextNote, 5) | |
| 112 self._displayNextNote() | |
| 113 | |
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114 def addNotifUI(self, ui): |
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115 self.notifs_icon.addNotif(ui.show, force=True) |
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116 |
| 29 | 117 def _displayNextNote(self, dummy=None): |
| 118 screen = Screen() | |
| 119 try: | |
| 120 idx = self.notes.index(self.notes_last) + 1 | |
| 121 except ValueError: | |
| 122 idx = 0 | |
| 123 try: | |
| 124 note = self.notes_last = self.notes[idx] | |
| 125 except IndexError: | |
| 126 self.notes_event.cancel() | |
| 127 self.notes_event = None | |
| 128 else: | |
| 129 screen.add_widget(note) | |
| 130 self.manager.switch_to(screen) | |
| 131 | |
| 132 | |
| 9 | 133 class CagouRootWidget(BoxLayout): |
| 134 | |
| 29 | 135 def __init__(self, main_widget): |
| 9 | 136 super(CagouRootWidget, self).__init__(orientation=("vertical")) |
| 29 | 137 # header |
| 138 self._head_widget = RootHeadWidget() | |
| 139 self.add_widget(self._head_widget) | |
| 9 | 140 |
| 29 | 141 # body |
| 142 self._manager = ScreenManager() | |
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143 # main widgets |
| 29 | 144 main_screen = Screen(name='main') |
| 145 main_screen.add_widget(main_widget) | |
| 146 self._manager.add_widget(main_screen) | |
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147 # backend XMLUI (popups, forms, etc) |
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148 xmlui_screen = Screen(name='xmlui') |
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149 self._manager.add_widget(xmlui_screen) |
| 29 | 150 self.add_widget(self._manager) |
| 151 | |
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152 def changeWidget(self, widget, screen_name="main"): |
| 29 | 153 """change main widget""" |
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154 screen = self._manager.get_screen(screen_name) |
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155 screen.clear_widgets() |
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156 screen.add_widget(widget) |
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157 |
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158 def show(self, screen="main"): |
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159 if self._manager.current == screen: |
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160 return |
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161 if screen == "main": |
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162 self._manager.transition = FallOutTransition() |
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163 else: |
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164 self._manager.transition = RiseInTransition() |
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165 self._manager.current = screen |
| 29 | 166 |
| 167 def newAction(self, handler, action_data, id_, security_limit, profile): | |
| 168 """Add a notification for an action""" | |
| 169 self._head_widget.addNotif(handler, action_data, id_, security_limit, profile) | |
| 170 | |
| 171 def addNote(self, title, message, level): | |
| 172 self._head_widget.addNote(title, message, level) | |
| 0 | 173 |
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174 def addNotifUI(self, ui): |
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175 self._head_widget.addNotifUI(ui) |
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176 |
| 0 | 177 |
| 178 class CagouApp(App): | |
| 179 """Kivy App for Cagou""" | |
| 180 | |
| 181 def build(self): | |
| 29 | 182 return CagouRootWidget(ProfileManager()) |
| 0 | 183 |
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184 def expand(self, path, *args, **kwargs): |
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185 """expand path and replace known values |
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186 |
| 32 | 187 useful in kv. Values which can be used: |
| 188 - {media}: media dir | |
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189 @param path(unicode): path to expand |
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190 @param *args: additional arguments used in format |
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191 @param **kwargs: additional keyword arguments used in format |
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192 """ |
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193 return os.path.expanduser(path).format(*args, media=self.host.media_dir, **kwargs) |
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194 |
| 0 | 195 |
| 196 class Cagou(QuickApp): | |
| 197 MB_HANDLE = False | |
| 198 | |
| 199 def __init__(self): | |
| 200 super(Cagou, self).__init__(create_bridge=DBusBridgeFrontend, xmlui=xmlui) | |
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201 self._import_kv() |
| 0 | 202 self.app = CagouApp() |
| 29 | 203 self.app.host = self |
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204 self.media_dir = self.app.media_dir = self.bridge.getConfig("", "media_dir") |
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205 self.app.default_avatar = os.path.join(self.media_dir, "misc/default_avatar.png") |
| 14 | 206 self._plg_wids = [] # widget plugins |
| 207 self._import_plugins() | |
| 0 | 208 |
| 209 def run(self): | |
| 210 self.app.run() | |
| 211 | |
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212 def _defaultFactory(self, plugin_info, target, profiles): |
| 14 | 213 """factory used to create widget instance when PLUGIN_INFO["factory"] is not set""" |
| 214 main_cls = plugin_info['main'] | |
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215 return self.widgets.getOrCreateWidget(main_cls, target, on_new_widget=None, profiles=iter(self.profiles)) |
| 14 | 216 |
| 29 | 217 ## plugins & kv import ## |
| 218 | |
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219 def _import_kv(self): |
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220 """import all kv files in cagou.kv""" |
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221 path = os.path.dirname(cagou.kv.__file__) |
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222 for kv_path in glob.glob(os.path.join(path, "*.kv")): |
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223 Builder.load_file(kv_path) |
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224 log.debug(u"kv file {} loaded".format(kv_path)) |
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225 |
| 14 | 226 def _import_plugins(self): |
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227 """import all plugins""" |
| 14 | 228 self.default_wid = None |
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229 plugins_path = os.path.dirname(cagou.plugins.__file__) |
| 14 | 230 plug_lst = [os.path.splitext(p)[0] for p in map(os.path.basename, glob.glob(os.path.join(plugins_path, "plugin*.py")))] |
| 231 imported_names = set() # use to avoid loading 2 times plugin with same import name | |
| 232 for plug in plug_lst: | |
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233 plugin_path = 'cagou.plugins.' + plug |
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234 mod = import_module(plugin_path) |
| 14 | 235 try: |
| 236 plugin_info = mod.PLUGIN_INFO | |
| 237 except AttributeError: | |
| 238 plugin_info = {} | |
| 239 | |
| 240 # import name is used to differentiate plugins | |
| 241 if 'import_name' not in plugin_info: | |
| 242 plugin_info['import_name'] = plug | |
| 243 if 'import_name' in imported_names: | |
| 244 log.warning(_(u"there is already a plugin named {}, ignoring new one").format(plugin_info['import_name'])) | |
| 245 continue | |
| 246 if plugin_info['import_name'] == C.WID_SELECTOR: | |
| 247 # if WidgetSelector exists, it will be our default widget | |
| 248 self.default_wid = plugin_info | |
| 249 | |
| 250 # we want everything optional, so we use plugin file name | |
| 251 # if actual name is not found | |
| 252 if 'name' not in plugin_info: | |
| 253 plugin_info['name'] = plug[plug.rfind('_')+1:] | |
| 254 | |
| 255 # we need to load the kv file | |
| 256 if 'kv_file' not in plugin_info: | |
| 257 plugin_info['kv_file'] = u'{}.kv'.format(plug) | |
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258 kv_path = os.path.join(plugins_path, plugin_info['kv_file']) |
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259 Builder.load_file(kv_path) |
| 14 | 260 |
| 261 # what is the main class ? | |
| 262 main_cls = getattr(mod, plugin_info['main']) | |
| 263 plugin_info['main'] = main_cls | |
| 264 | |
| 265 # factory is used to create the instance | |
| 266 # if not found, we use a defaut one with getOrCreateWidget | |
| 267 if 'factory' not in plugin_info: | |
| 268 plugin_info['factory'] = self._defaultFactory | |
| 269 | |
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270 # icons |
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271 for size in ('small', 'medium'): |
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272 key = u'icon_{}'.format(size) |
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273 try: |
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274 path = plugin_info[key] |
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275 except KeyError: |
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276 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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277 else: |
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278 path = path.format(media=self.media_dir) |
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279 if not os.path.isfile(path): |
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280 path = C.DEFAULT_WIDGET_ICON.format(media=self.media_dir) |
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281 plugin_info[key] = path |
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282 |
| 14 | 283 self._plg_wids.append(plugin_info) |
| 284 if not self._plg_wids: | |
| 285 log.error(_(u"no widget plugin found")) | |
| 286 return | |
| 287 | |
| 288 # we want widgets sorted by names | |
| 289 self._plg_wids.sort(key=lambda p: p['name'].lower()) | |
| 290 | |
| 291 if self.default_wid is None: | |
| 292 # we have no selector widget, we use the first widget as default | |
| 293 self.default_wid = self._plg_wids[0] | |
| 294 | |
| 295 def getPluggedWidgets(self, except_cls=None): | |
| 296 """get available widgets plugin infos | |
| 297 | |
| 298 @param except_cls(None, class): if not None, | |
| 299 widgets from this class will be excluded | |
| 300 @return (list[dict]): available widgets plugin infos | |
| 301 """ | |
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302 for plugin_data in self._plg_wids: |
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303 if plugin_data['main'] == except_cls: |
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304 continue |
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305 yield plugin_data |
| 14 | 306 |
| 29 | 307 ## widgets handling |
| 9 | 308 |
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309 def switchWidget(self, old, new): |
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310 """Replace old widget by new one |
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311 |
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312 old(CagouWidget): CagouWidget instance or a child |
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313 new(CagouWidget): new widget instance |
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314 """ |
| 14 | 315 to_change = None |
| 316 if isinstance(old, CagouWidget): | |
| 317 to_change = old | |
| 318 else: | |
| 319 for w in old.walk_reverse(): | |
| 320 if isinstance(w, CagouWidget): | |
| 321 to_change = w | |
| 322 break | |
| 323 | |
| 324 if to_change is None: | |
| 325 log.error(u"no CagouWidget found when trying to switch widget") | |
| 326 else: | |
| 327 parent = to_change.parent | |
| 328 idx = parent.children.index(to_change) | |
| 329 parent.remove_widget(to_change) | |
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330 if isinstance(to_change, quick_widgets.QuickWidget): |
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331 self.widgets.deleteWidget(to_change) |
| 14 | 332 parent.add_widget(new, index=idx) |
| 29 | 333 |
| 334 ## misc ## | |
| 335 | |
| 336 def plugging_profiles(self): | |
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337 self.app.root.changeWidget(WidgetsHandler()) |
| 29 | 338 |
| 339 def setPresenceStatus(self, show='', status=None, profile=C.PROF_KEY_NONE): | |
| 340 log.info(u"Profile presence status set to {show}/{status}".format(show=show, status=status)) | |
| 341 | |
| 342 def addNote(self, title, message, level): | |
| 343 """add a note (message which disappear) to root widget's header""" | |
| 344 self.app.root.addNote(title, message, level) | |
| 345 | |
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346 def addNotifUI(self, ui): |
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347 """add a notification with a XMLUI attached |
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348 |
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349 @param ui(xmlui.XMLUIPanel): XMLUI instance to show when notification is selected |
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350 """ |
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351 self.app.root.addNotifUI(ui) |
| 29 | 352 |
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353 def showUI(self, ui): |
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354 self.app.root.changeWidget(ui, "xmlui") |
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355 self.app.root.show("xmlui") |
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356 |
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357 def closeUI(self): |
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358 self.app.root.show() |