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comparison src/libs/garden/garden.contextmenu/app_menu.py @ 83:741a7d6d8c28

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garden: added contextmenu
author Goffi <goffi@goffi.org>
date Sat, 24 Dec 2016 14:16:58 +0100
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82:4c6d56c069d9 83:741a7d6d8c28
1 from kivy.uix.relativelayout import RelativeLayout
2 from kivy.uix.stacklayout import StackLayout
3 from kivy.uix.behaviors import ToggleButtonBehavior
4 from kivy.uix.togglebutton import ToggleButton
5 from kivy.lang import Builder
6 import kivy.properties as kp
7 import os
8
9 from .context_menu import AbstractMenu, AbstractMenuItem, AbstractMenuItemHoverable
10
11
12 class AppMenu(StackLayout, AbstractMenu):
13 bounding_box = kp.ObjectProperty(None)
14
15 def __init__(self, *args, **kwargs):
16 super(AppMenu, self).__init__(*args, **kwargs)
17 self.hovered_menu_item = None
18
19 def update_height(self):
20 max_height = 0
21 for widget in self.menu_item_widgets:
22 if widget.height > max_height:
23 max_height = widget.height
24 return max_height
25
26 def on_children(self, obj, new_children):
27 for w in new_children:
28 # bind events that update app menu height when any of its children resize
29 w.bind(on_size=self.update_height)
30 w.bind(on_height=self.update_height)
31
32 def get_context_menu_root_parent(self):
33 return self
34
35 def self_or_submenu_collide_with_point(self, x, y):
36 collide_widget = None
37
38 # Iterate all siblings and all children
39 for widget in self.menu_item_widgets:
40 widget_pos = widget.to_window(0, 0)
41 if widget.collide_point(x - widget_pos[0], y - widget_pos[1]) and not widget.disabled:
42 if self.hovered_menu_item is None:
43 self.hovered_menu_item = widget
44
45 if self.hovered_menu_item != widget:
46 self.hovered_menu_item = widget
47 for sibling in widget.siblings:
48 sibling.state = 'normal'
49
50 if widget.state == 'normal':
51 widget.state = 'down'
52 widget.on_release()
53
54 for sib in widget.siblings:
55 sib.hovered = False
56 elif widget.get_submenu() is not None and not widget.get_submenu().visible:
57 widget.state = 'normal'
58
59 return collide_widget
60
61 def close_all(self):
62 for submenu in [w.get_submenu() for w in self.menu_item_widgets if w.get_submenu() is not None]:
63 submenu.hide()
64 for w in self.menu_item_widgets:
65 w.state = 'normal'
66
67 def hide_app_menus(self, obj, pos):
68 if not self.collide_point(pos.x, pos.y):
69 for w in [w for w in self.menu_item_widgets if not w.disabled and w.get_submenu().visible]:
70 submenu = w.get_submenu()
71 if submenu.self_or_submenu_collide_with_point(pos.x, pos.y) is None:
72 self.close_all()
73 self._cancel_hover_timer()
74
75
76 class AppMenuTextItem(ToggleButton, AbstractMenuItem):
77 label = kp.ObjectProperty(None)
78 text = kp.StringProperty('')
79 font_size = kp.NumericProperty(14)
80 color = kp.ListProperty([1, 1, 1, 1])
81
82 def on_release(self):
83 submenu = self.get_submenu()
84
85 if self.state == 'down':
86 root = self._root_parent
87 submenu.bounding_box_widget = root.bounding_box if root.bounding_box else root.parent
88
89 submenu.bind(visible=self.on_visible)
90 submenu.show(self.x, self.y - 1)
91
92 for sibling in self.siblings:
93 if sibling.get_submenu() is not None:
94 sibling.state = 'normal'
95 sibling.get_submenu().hide()
96
97 self.parent._setup_hover_timer()
98 else:
99 self.parent._cancel_hover_timer()
100 submenu.hide()
101
102 def on_visible(self, *args):
103 submenu = self.get_submenu()
104 if self.width > submenu.get_max_width():
105 submenu.width = self.width
106
107 def _check_submenu(self):
108 super(AppMenuTextItem, self)._check_submenu()
109 self.disabled = (self.get_submenu() is None)
110
111 # def on_mouse_down(self):
112 # print('on_mouse_down')
113 # return True
114
115
116 _path = os.path.dirname(os.path.realpath(__file__))
117 Builder.load_file(os.path.join(_path, 'app_menu.kv'))