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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 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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11 |
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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 log = logging.getLogger(__name__) |
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23 from kivy.uix.boxlayout import BoxLayout |
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24 from kivy.uix.button import Button |
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25 from kivy import properties |
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26 |
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27 |
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28 NEW_WIDGET_DIST = 10 |
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29 REMOVE_WIDGET_DIST = NEW_WIDGET_DIST |
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30 |
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31 |
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32 class WHSplitter(Button): |
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33 horizontal=properties.BooleanProperty(True) |
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34 thickness=properties.NumericProperty(15) |
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35 split_move = None # we handle one split at a time, so we use a class attribute |
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36 |
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37 def __init__(self, handler, **kwargs): |
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38 super(WHSplitter, self).__init__(**kwargs) |
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39 self.handler = handler |
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40 |
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41 def getPos(self, touch): |
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42 if self.horizontal: |
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43 relative_y = self.handler.to_local(*touch.pos, relative=True)[1] |
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44 return self.handler.height - relative_y |
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45 else: |
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46 return touch.x |
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47 |
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48 def on_touch_move(self, touch): |
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49 if self.split_move is None and self.collide_point(*touch.opos): |
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50 WHSplitter.split_move = self |
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51 |
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52 if self.split_move is self: |
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53 pos = self.getPos(touch) |
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54 if pos > NEW_WIDGET_DIST: |
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55 # we are above minimal distance, we resize the widget |
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56 self.handler.setWidgetSize(self.horizontal, pos) |
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57 |
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58 def on_touch_up(self, touch): |
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59 if self.split_move is self: |
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60 pos = self.getPos(touch) |
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61 if pos <= REMOVE_WIDGET_DIST: |
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62 # if we go under minimal distance, the widget is not wanted anymore |
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63 self.handler.removeWidget(self.horizontal) |
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64 WHSplitter.split_move=None |
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65 return super(WHSplitter, self).on_touch_up(touch) |
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66 |
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67 |
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68 class WidgetsHandler(BoxLayout): |
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69 |
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70 def __init__(self, host, wid=None, **kw): |
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71 self.host = host |
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72 if wid is None: |
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73 wid=self.default_widget |
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74 self.vert_wid = self.hor_wid = None |
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75 BoxLayout.__init__(self, orientation="vertical", **kw) |
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76 self.blh = BoxLayout(orientation="horizontal") |
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77 self.blv = BoxLayout(orientation="vertical") |
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78 self.blv.add_widget(WHSplitter(self)) |
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79 self.blv.add_widget(wid) |
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80 self.blh.add_widget(WHSplitter(self, horizontal=False)) |
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81 self.blh.add_widget(self.blv) |
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82 self.add_widget(self.blh) |
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83 |
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84 @property |
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85 def default_widget(self): |
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86 return self.host.default_wid['factory'](self.host, self.host.default_wid, None, None) |
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87 |
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88 def removeWidget(self, vertical): |
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89 if vertical and self.vert_wid is not None: |
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90 self.remove_widget(self.vert_wid) |
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91 self.vert_wid = None |
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92 elif self.hor_wid is not None: |
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93 self.blh.remove_widget(self.hor_wid) |
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94 self.hor_wid = None |
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95 |
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96 def setWidgetSize(self, vertical, size): |
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97 if vertical: |
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98 if self.vert_wid is None: |
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99 self.vert_wid = WidgetsHandler(self.host, self.default_widget, size_hint=(1, None)) |
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100 self.add_widget(self.vert_wid, len(self.children)) |
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101 self.vert_wid.height=size |
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102 else: |
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103 if self.hor_wid is None: |
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104 self.hor_wid = WidgetsHandler(self.host, self.default_widget, size_hint=(None, 1)) |
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105 self.blh.add_widget(self.hor_wid, len(self.blh.children)) |
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106 self.hor_wid.width=size |
