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comparison src/cagou/core/widgets_handler.py @ 15:56838ad5c84b

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files reorganisation, cagou is now launched with python2 cagou.py in src/
author Goffi <goffi@goffi.org>
date Sat, 09 Jul 2016 17:24:01 +0200
parents src/widgets_handler.py@21a432afd06d
children ba14b596b90e
comparison
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14:21a432afd06d 15:56838ad5c84b
1 #!/usr/bin/python
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
21 from sat.core import log as logging
22 log = logging.getLogger(__name__)
23 from kivy.uix.boxlayout import BoxLayout
24 from kivy.uix.button import Button
25 from kivy import properties
26
27
28 NEW_WIDGET_DIST = 10
29 REMOVE_WIDGET_DIST = NEW_WIDGET_DIST
30
31
32 class WHSplitter(Button):
33 horizontal=properties.BooleanProperty(True)
34 thickness=properties.NumericProperty(15)
35 split_move = None # we handle one split at a time, so we use a class attribute
36
37 def __init__(self, handler, **kwargs):
38 super(WHSplitter, self).__init__(**kwargs)
39 self.handler = handler
40
41 def getPos(self, touch):
42 if self.horizontal:
43 relative_y = self.handler.to_local(*touch.pos, relative=True)[1]
44 return self.handler.height - relative_y
45 else:
46 return touch.x
47
48 def on_touch_move(self, touch):
49 if self.split_move is None and self.collide_point(*touch.opos):
50 WHSplitter.split_move = self
51
52 if self.split_move is self:
53 pos = self.getPos(touch)
54 if pos > NEW_WIDGET_DIST:
55 # we are above minimal distance, we resize the widget
56 self.handler.setWidgetSize(self.horizontal, pos)
57
58 def on_touch_up(self, touch):
59 if self.split_move is self:
60 pos = self.getPos(touch)
61 if pos <= REMOVE_WIDGET_DIST:
62 # if we go under minimal distance, the widget is not wanted anymore
63 self.handler.removeWidget(self.horizontal)
64 WHSplitter.split_move=None
65 return super(WHSplitter, self).on_touch_up(touch)
66
67
68 class WidgetsHandler(BoxLayout):
69
70 def __init__(self, host, wid=None, **kw):
71 self.host = host
72 if wid is None:
73 wid=self.default_widget
74 self.vert_wid = self.hor_wid = None
75 BoxLayout.__init__(self, orientation="vertical", **kw)
76 self.blh = BoxLayout(orientation="horizontal")
77 self.blv = BoxLayout(orientation="vertical")
78 self.blv.add_widget(WHSplitter(self))
79 self.blv.add_widget(wid)
80 self.blh.add_widget(WHSplitter(self, horizontal=False))
81 self.blh.add_widget(self.blv)
82 self.add_widget(self.blh)
83
84 @property
85 def default_widget(self):
86 return self.host.default_wid['factory'](self.host, self.host.default_wid, None, None)
87
88 def removeWidget(self, vertical):
89 if vertical and self.vert_wid is not None:
90 self.remove_widget(self.vert_wid)
91 self.vert_wid = None
92 elif self.hor_wid is not None:
93 self.blh.remove_widget(self.hor_wid)
94 self.hor_wid = None
95
96 def setWidgetSize(self, vertical, size):
97 if vertical:
98 if self.vert_wid is None:
99 self.vert_wid = WidgetsHandler(self.host, self.default_widget, size_hint=(1, None))
100 self.add_widget(self.vert_wid, len(self.children))
101 self.vert_wid.height=size
102 else:
103 if self.hor_wid is None:
104 self.hor_wid = WidgetsHandler(self.host, self.default_widget, size_hint=(None, 1))
105 self.blh.add_widget(self.hor_wid, len(self.blh.children))
106 self.hor_wid.width=size