77 lines
2.0 KiB
Python
77 lines
2.0 KiB
Python
from kivy.app import App
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from kivy.uix.gridlayout import GridLayout
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from kivy.uix.image import Image
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from kivy.uix.boxlayout import BoxLayout
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from kivy.uix.label import Label
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from kivy.uix.button import Button
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from kivyblocks.utils import CSize
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from kivyblocks.widgetExt.scrollwidget import ScrollWidget
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from kivy.uix.scrollview import ScrollView
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from kivy.clock import Clock
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from kivyblocks.responsivelayout import VResponsiveLayout
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class VGridLayout(GridLayout):
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def __init__(self,**kw):
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kwargs = kw.copy()
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if kwargs.get('box_width'):
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del kwargs['box_width']
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if not kwargs.get('cols'):
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kwargs['cols'] = 1
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self.box_width = CSize(kw.get('box_width',0))
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self.options = kw
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super().__init__(**kwargs)
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self.setColsTask = None
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def on_size(self,o,s):
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if self.setColsTask is not None:
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self.setColsTask.cancel()
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self.setColsTask = Clock.schedule_once(self.setCols,0.2)
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def setCols(self,t):
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if self.box_width == 0:
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self.box_width = self.width / self.options.get('cols',1)
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else:
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self.cols = int(self.width / self.box_width)
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def setBoxWidth(self,w):
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self.box_width = w
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class ResponsiveLayout(ScrollView):
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def __init__(self, cols=2, box_width=15, **options):
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self.options = options
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super().__init__(**options)
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self._inner = VGridLayout(cols=cols,box_width=box_width)
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class Box(BoxLayout):
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def __init__(self,**kw):
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super().__init__(**kw)
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self.size_hint = (None, None)
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self.height = CSize(kw.get('height',6))
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self.width = CSize(kw.get('width',8))
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class MyApp(App):
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def build(self):
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r = BoxLayout(orientation='vertical')
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s = ResponsiveLayout(box_width=15,size_hint=(1,1))
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b = Button(text='add box', font_size=CSize(2),
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size_hint_y=None,
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height=CSize(2.8)
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)
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r.add_widget(b)
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r.add_widget(s)
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self.l = s
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self.box_cnt = 0
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b.bind(on_press=self.add_box)
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return r
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def add_box(self,o):
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box = Box(width=15)
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t = Label(text='box ' + str(self.box_cnt))
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box.add_widget(t)
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self.l.add_widget(box)
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self.box_cnt += 1
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if __name__ == '__main__':
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MyApp().run()
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