kivyblocks/kivyblocks/responsivelayout.py
2019-12-19 11:13:47 +08:00

63 lines
1.7 KiB
Python

from kivy.utils import platform
from kivy.uix.scrollview import ScrollView
from kivy.uix.gridlayout import GridLayout
from kivy.graphics import Color, Ellipse,Rectangle
from kivy.clock import Clock
from .utils import CSize, isHandHold
class VResponsiveLayout(ScrollView):
def __init__(self,box_width,cols, **kw):
self.org_box_width = box_width
self.org_cols = cols
self.box_width = box_width
self.box_cols = cols
super(VResponsiveLayout, self).__init__(**kw)
self.options = kw
self._inner = GridLayout(cols=self.org_cols, padding=2,
spacing=2,size_hint=(1,None))
super(VResponsiveLayout,self).add_widget(self._inner)
self._inner.bind(
minimum_height=self._inner.setter('height'))
self.sizeChangedTask = None
self.bind(pos=self.sizeChanged,size=self.sizeChanged)
def sizeChanged(self,o,v=None):
if self.sizeChangedTask:
self.sizeChangedTask.cancel()
self.sizeChangedTask = Clock.schedule_once(self.sizeChangedWork,0.1)
def sizeChangedWork(self,t=None):
self.setCols()
def on_orientation(self,o):
self.setCols()
def add_widget(self,widget,**kw):
width = self.box_width
if hasattr(widget, 'cols'):
width = widget.cols * self.box_width
widget.width = width
a = self._inner.add_widget(widget,**kw)
return a
def clear_widgets(self,**kw):
a = self._inner.clear_widgets(**kw)
def remove_widget(self,widget,**kw):
a = self._inner.remove_widget(widget,**kw)
return a
def setCols(self,t=None):
self.box_width = self.org_box_width
self.cols = int(self.width / self.box_width)
if isHandHold():
w,h = self.size
if w < h:
self.box_width = w / self.org_cols - 2
self.cols = self.org_cols
self._inner.cols = self.cols
for w in self._inner.children:
w.width = self.box_width