mirror of https://github.com/kivy/kivy.git
Add compound selection usage example to examples.
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examples/widgets
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.button import Button
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from kivy.uix.behaviors import CompoundSelectionBehavior
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from kivy.app import runTouchApp
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from kivy.core.window import Window
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class SelectableGrid(CompoundSelectionBehavior, GridLayout):
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def __init__(self, **kwargs):
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super(SelectableGrid, self).__init__(**kwargs)
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keyboard = Window.request_keyboard(None, self)
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keyboard.bind(on_key_down=self.select_with_key_down,
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on_key_up=self.select_with_key_up)
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def print_selection(*l):
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print [x.text for x in self.selected_nodes]
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self.bind(selected_nodes=print_selection)
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def goto_node(self, key, last_node, last_node_idx):
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''' This function is used to go to the node by typing the number
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of the text of the button.
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'''
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node, idx = super(SelectableGrid, self).goto_node(key, last_node,
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last_node_idx)
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if node == last_node:
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children = self.children
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for i in range(len(children)):
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if children[i].text == key:
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return children[i], i
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return node, idx
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def select_node(self, node):
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node.background_color = (1, 0, 0, 1)
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return super(SelectableGrid, self).select_node(node)
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def deselect_node(self, node):
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node.background_color = (1, 1, 1, 1)
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super(SelectableGrid, self).deselect_node(node)
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def do_touch(self, instance, touch):
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if ('button' in touch.profile and touch.button in
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('scrollup', 'scrolldown', 'scrollleft', 'scrollright')) or\
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instance.collide_point(*touch.pos):
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self.select_with_touch(instance, touch)
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else:
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return False
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return True
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root = SelectableGrid(cols=5, up_count=5, multiselect=True, scroll_count=1)
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for i in range(40):
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c = Button(text=str(i))
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c.bind(on_touch_down=root.do_touch)
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root.add_widget(c)
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runTouchApp(root)
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