Kivy ScatterLayout 拖拽按钮问题

问题描述

我在 ScatterLayout 中遇到拖放问题。单击地图内的按钮时，拖动不起作用。仅当起始位置不在按钮上时才会拖动地图。即使起点在按钮上，我该如何解决此问题并移动地图？

Вот мой код：

class IsoMapScreen(Screen):  # Скрин карты
    def __init__(self,**kw):
        super(IsoMapScreen,self).__init__(**kw)

    def on_enter(self,*args):
        self.layout = RelativeLayout()
        self.map = MyMap(source="data/maps/first.tmx")  # Загруженная карта
        self.map_scatter = MyScatterLayout()  # Управление картой
        self.map_lay = IsoFloatLayout(mymap=self.map)  # Сама карта
        self.map_scatter.add_widget(self.map_lay)
        self.layout.add_widget(self.map_scatter)


class MyScatterLayout(ScatterPlaneLayout): 
    def __init__(self,**kwargs):
        super(MyScatterLayout,self).__init__(**kwargs)

    def on_touch_down(self,touch):
         if touch.is_mouse_scrolling:
            if touch.button == 'scrolldown':
                self.zoom('down')
            elif touch.button == 'scrollup':
                self.zoom('up')
         ScatterPlaneLayout.on_touch_down(self,touch)


class IsoFloatLayout(FloatLayout):  # Слой карты
    def __init__(self,mymap,**kwargs):
        super(IsoFloatLayout,self).__init__(**kwargs)
        self.moved = False
        self.map = mymap

    def on_touch_down(self,touch):
        touch.grab(self)
        return super(IsoFloatLayout,self).on_touch_down(touch)

    def on_touch_move(self,touch):
        if not self.moved:
            self.moved = True
        if touch.grab_current is self:
            root_pos = self.parent.pos
        return super(IsoFloatLayout,self).on_touch_move(touch)

    def on_touch_up(self,touch):
        if touch.grab_current is self:
            touch.ungrab(self)

解决方法

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kivy python scatter