annotate cagou/core/cagou_widget.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 4d3a0c4f2430
children 4d660b252487
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client
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5 # Copyright (C) 2016-2019 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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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
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21 from sat.core import log as logging
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22 from sat.core import exceptions
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23 from kivy.uix.behaviors import ButtonBehavior
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24 from kivy.uix.boxlayout import BoxLayout
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25 from kivy.uix.dropdown import DropDown
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26 from kivy.uix.screenmanager import Screen
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27 from kivy import properties
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28 from cagou import G
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29 from .common import ActionIcon
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30 from . import menu
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33 log = logging.getLogger(__name__)
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36 class HeaderChoice(ButtonBehavior, BoxLayout):
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37 pass
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38
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39
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40 class HeaderChoiceWidget(HeaderChoice):
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41 cagou_widget = properties.ObjectProperty()
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42 plugin_info = properties.ObjectProperty()
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43
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44 def __init__(self, **kwargs):
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45 super().__init__(**kwargs)
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46 self.bind(on_release=lambda btn: self.cagou_widget.switchWidget(
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47 self.plugin_info))
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48
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49
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50 class HeaderChoiceExtraMenu(HeaderChoice):
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51 pass
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53
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54 class HeaderWidgetCurrent(ButtonBehavior, ActionIcon):
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55 pass
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57
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58 class HeaderWidgetSelector(DropDown):
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59
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60 def __init__(self, cagou_widget):
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61 super(HeaderWidgetSelector, self).__init__()
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62 plg_info_cls = cagou_widget.plugin_info_class or cagou_widget.__class__
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63 for plugin_info in G.host.getPluggedWidgets(except_cls=plg_info_cls):
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64 choice = HeaderChoiceWidget(
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65 cagou_widget=cagou_widget,
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66 plugin_info=plugin_info,
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67 )
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68 self.add_widget(choice)
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69 main_menu = HeaderChoiceExtraMenu(on_press=self.on_extra_menu)
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70 self.add_widget(main_menu)
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72 def add_widget(self, *args):
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73 widget = args[0]
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74 widget.bind(minimum_width=self.set_width)
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75 return super(HeaderWidgetSelector, self).add_widget(*args)
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76
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77 def set_width(self, choice, minimum_width):
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78 self.width = max([c.minimum_width for c in self.container.children])
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79
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80 def on_extra_menu(self, *args):
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81 self.dismiss()
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82 menu.ExtraSideMenu().show()
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83
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84
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85 class CagouWidget(BoxLayout):
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86 main_container = properties.ObjectProperty(None)
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87 header_input = properties.ObjectProperty(None)
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88 header_box = properties.ObjectProperty(None)
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89 # set to True if you want to be able to switch between visible widgets of this
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90 # class using a carousel
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91 collection_carousel = False
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92 # set to True if you a global ScreenManager global to all widgets of this class.
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93 # The screen manager is created in WHWrapper
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94 global_screen_manager = False
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95 # override this if a specific class (i.e. not self.__class__) must be used for
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96 # plugin info. Useful when a CagouWidget is used with global_screen_manager.
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97 plugin_info_class = None
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98
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99 def __init__(self, **kwargs):
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100 plg_info_cls = self.plugin_info_class or self.__class__
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101 for p in G.host.getPluggedWidgets():
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102 if p['main'] == plg_info_cls:
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103 self.plugin_info = p
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104 break
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105 super().__init__(**kwargs)
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106 self.selector = HeaderWidgetSelector(self)
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107
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108 @property
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109 def screen_manager(self):
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110 if ((not self.global_screen_manager
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111 and not (self.plugin_info_class is not None
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112 and self.plugin_info_class.global_screen_manager))):
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113 raise exceptions.InternalError(
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114 "screen_manager property can't be used if global_screen_manager is not "
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115 "set")
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116 screen = self.getAncestor(Screen)
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117 if screen is None:
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118 raise exceptions.NotFound("Can't find parent Screen")
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119 if screen.manager is None:
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120 raise exceptions.NotFound("Can't find parent ScreenManager")
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121 return screen.manager
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122
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123 @property
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124 def whwrapper(self):
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125 """Retrieve parent widget handler"""
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126 return G.host.getParentWHWrapper(self)
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127
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128 def screenManagerInit(self, screen_manager):
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129 """Override this method to do init when ScreenManager is instantiated
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130
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131 This is only called once even if collection_carousel is used.
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132 """
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133 if not self.global_screen_manager:
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134 raise exceptions.InternalError("screenManagerInit should not be called")
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135
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136 def getAncestor(self, cls):
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137 """Helper method to use host.getAncestorWidget with self"""
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138 return G.host.getAncestorWidget(self, cls)
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139
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140 def switchWidget(self, plugin_info):
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diff changeset
141 self.selector.dismiss()
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Goffi <goffi@goffi.org>
parents: 10
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142 factory = plugin_info["factory"]
20
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Goffi <goffi@goffi.org>
parents: 16
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143 new_widget = factory(plugin_info, None, iter(G.host.profiles))
16
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Goffi <goffi@goffi.org>
parents: 15
diff changeset
144 G.host.switchWidget(self, new_widget)
20
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parents: 16
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145
357
4d3a0c4f2430 core: better back key (ESC) management:
Goffi <goffi@goffi.org>
parents: 353
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146 def key_input(self, window, key, scancode, codepoint, modifier):
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Goffi <goffi@goffi.org>
parents: 353
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147 if key == 27:
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Goffi <goffi@goffi.org>
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148 # we go back to root screen
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Goffi <goffi@goffi.org>
parents: 353
diff changeset
149 G.host.switchWidget(self)
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Goffi <goffi@goffi.org>
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150 return True
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Goffi <goffi@goffi.org>
parents: 353
diff changeset
151
20
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Goffi <goffi@goffi.org>
parents: 16
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152 def onHeaderInput(self):
312
772c170b47a9 Python3 port:
Goffi <goffi@goffi.org>
parents: 282
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153 log.info("header input text entered")
51
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Goffi <goffi@goffi.org>
parents: 38
diff changeset
154
108
953ddf817b8a cagou widget: added onHeaderInputComplete method which is called when text is changed, and should be used for completion
Goffi <goffi@goffi.org>
parents: 51
diff changeset
155 def onHeaderInputComplete(self, wid, text):
953ddf817b8a cagou widget: added onHeaderInputComplete method which is called when text is changed, and should be used for completion
Goffi <goffi@goffi.org>
parents: 51
diff changeset
156 return
953ddf817b8a cagou widget: added onHeaderInputComplete method which is called when text is changed, and should be used for completion
Goffi <goffi@goffi.org>
parents: 51
diff changeset
157
51
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Goffi <goffi@goffi.org>
parents: 38
diff changeset
158 def on_touch_down(self, touch):
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Goffi <goffi@goffi.org>
parents: 38
diff changeset
159 if self.collide_point(*touch.pos):
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Goffi <goffi@goffi.org>
parents: 38
diff changeset
160 G.host.selected_widget = self
158
976f22cb3ecc core (cagou widget): return parent value in on_touch_down
Goffi <goffi@goffi.org>
parents: 126
diff changeset
161 return super(CagouWidget, self).on_touch_down(touch)
115
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Goffi <goffi@goffi.org>
parents: 108
diff changeset
162
e0c41f209c28 CagouWidget: instances can now add their own extra widgets in header with headerInputAddExtra
Goffi <goffi@goffi.org>
parents: 108
diff changeset
163 def headerInputAddExtra(self, widget):
e0c41f209c28 CagouWidget: instances can now add their own extra widgets in header with headerInputAddExtra
Goffi <goffi@goffi.org>
parents: 108
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164 """add a widget on the right of header input"""
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Goffi <goffi@goffi.org>
parents: 108
diff changeset
165 self.header_box.add_widget(widget)
264
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
166
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
167 def onVisible(self):
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
168 pass
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
169 # log.debug(u"{self} is visible".format(self=self))
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
170
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
171 def onNotVisible(self):
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
172 pass
3e11b5d923e2 core: call new methods onVisible and onNotVisible when a widget is displayed or hidden + fixed a deletion bug on _removeVisibleWidget
Goffi <goffi@goffi.org>
parents: 222
diff changeset
173 # log.debug(u"{self} is not visible anymore".format(self=self))