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我想做一個類似於android-lock的東西,所以我有2個按鈕圖像(按鈕正常,按下按鈕)。Python-Kivy:on_touch_down()定義給特定的孩子影響所有兒童
我在每個圖像上定義了一個函數on_touch_down,所以當我按下它時,它將源更改爲按下按鈕,on_touch_up將其更改回正常。但每次按下屏幕的任何部分時,它都會一次更改所有按鈕。
當我按下按鈕時,如何才能使每個按鈕都更改,而當我按下任何按鈕時不會更改所有按鈕?
這裏是我的KV文件:
Manager:
Principal:
<Principal>:
GridLayout:
cols: 3
Image:
id: '1'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '2'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '3'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '4'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '5'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '6'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '7'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '8'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
Image:
id: '9'
size: 30,30
source: 'button.png'
on_touch_down: self.source = 'button_press.png'
on_touch_up: self.source = 'button.png'
allow_strech: True
這解決了我的問題!謝謝 – gramsch