on_touch_widget kivy 所有其他小部件都被激活

Question

每次激活最后一个小部件时执行以下代码然后每个小部件都被激活请解决这个问题

每次激活最后一个小部件时执行以下代码然后每个小部件都被激活请解决这个每次激活最后一个小部件时执行以下代码然后每个小部件都被激活请解决这个问题

每次激活最后一个小部件时执行以下代码然后每个小部件都被激活请解决这个问题

每次激活最后一个小部件时执行以下代码然后每个小部件都被激活请解决这个 `

from pieces import matrix
from kivy.app import App
from kivy.graphics import Color,Rectangle
from kivy.core.window import Window
from kivy.uix.widget import Widget 
from kivy.uix.image import Image
from kivy.clock import Clock
class Sprite(Image):
    def __init__(self,size=None,**kwargs):
        super(Sprite, self).__init__(**kwargs)
        if size==None:
            self.size = self.texture_size
        else:self.size=size
class Basket(Widget):
    def __init__(self,source,pos,name,**kwargs):
        super(Basket,self).__init__(**kwargs)
        self.speed=4
        self.name=name
        self.image=Sprite(source=source,pos=pos,size=[100,100])
        self.add_widget(self.image)
        self.size=self.image.size
        print self.size
    def update_y(self,a):
        final=a*100+50
        if self.image.center_y==final:return True
        elif self.image.center_y<final:self.image.center_y+=self.speed
        else:self.image.center_y-=self.speed
        return False
    def update_x(self,a):
        final=a*100+50
        if self.image.center_x==final:return True
        elif self.image.center_x<final:self.image.center_x+=self.speed
        else:self.image.center_x-=self.speed
        return False
    def on_touch_down(self,touch):
        if touch.grab_current is self:
            print self.name
class Game(Widget):
    def __init__(self,**kwargs):
        super(Game,self).__init__(**kwargs)
        self.matrix=matrix()
        self.add_widget(Sprite(source='images/gray.jpg'))
        for i in range(2):
            self.ids[str(i)]=Basket(source='images/basket.jpg',name=str(i),pos=(i*100,i*100))
            self.add_widget(self.ids[str(i)])
            print i
        # Clock.schedule_interval(self.update, 1.0/60.0)
        # self.matrix.shuffle()
    def update(self,ab):
        if self.matrix.up:
            if reduce(lambda a,i:self.ids[str(i)].update_y(self.matrix.y[i]) and a ,range(4),True):
                self.matrix.shuffle()
        else:
            if reduce(lambda a,i:self.ids[str(i)].update_x(self.matrix.x[i]) and a,range(4),True):
                self.matrix.shuffle()
    def on_touch_down(self,touch):
        print touch.grab(self)
class GameApp(App):
    def build(self):
        g=Game(size=(400,400))
        Window.size=g.size
        return g
GameApp().run()

`

Answer 1

Kivy默认不执行触摸碰撞，这样widgets可以与不碰撞的触摸进行交互（因为widget的排列不一定和gui touch排列相同）。

您可以自己执行碰撞检查：

def on_touch_down(self, touch):
    if self.collide_point(*touch.pos):
        do_stuff()

on_touch_widget kivy 所有其他小部件都被激活

on_touch_widget kivy all other widgets gets activated

python

kivy