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touchtracer: fixes for text flickering (since we was using floatlayout, size/size_hint was going into conflict). 

+ pep8 fixes
This commit is contained in:
Mathieu Virbel 2011-04-27 18:51:44 +02:00
parent 8edb39c9f5
commit 7df79442a3
1 changed files with 7 additions and 9 deletions
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16
examples/demo/touchtracer/main.py
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@ -8,6 +8,7 @@ from kivy.graphics import Color, Rectangle, Point
from random import random from random import random
from math import sqrt from math import sqrt
def calculate_points(x1, y1, x2, y2, steps=5): def calculate_points(x1, y1, x2, y2, steps=5):
dx = x2 - x1 dx = x2 - x1
dy = y2 - y1 dy = y2 - y1
@ -25,6 +26,7 @@ def calculate_points(x1, y1, x2, y2, steps=5):
class Touchtracer(FloatLayout): class Touchtracer(FloatLayout):
def on_touch_down(self, touch): def on_touch_down(self, touch):
win = self.get_parent_window() win = self.get_parent_window()
ud = touch.ud ud = touch.ud
@ -35,10 +37,9 @@ class Touchtracer(FloatLayout):
Rectangle(pos=(touch.x, 0), size=(1, win.height), group=g), Rectangle(pos=(touch.x, 0), size=(1, win.height), group=g),
Rectangle(pos=(0, touch.y), size=(win.width, 1), group=g), Rectangle(pos=(0, touch.y), size=(win.width, 1), group=g),
Point(points=(touch.x, touch.y), source='particle.png', Point(points=(touch.x, touch.y), source='particle.png',
pointsize=5, group=g) pointsize=5, group=g))
)
ud['label'] = Label() ud['label'] = Label(size_hint=(None, None))
self.update_touch_label(ud['label'], touch) self.update_touch_label(ud['label'], touch)
self.add_widget(ud['label']) self.add_widget(ud['label'])
@ -65,11 +66,7 @@ class Touchtracer(FloatLayout):
def update_touch_label(self, label, touch): def update_touch_label(self, label, touch):
label.text = 'ID: %s\nPos: (%d, %d)\nClass: %s' % ( label.text = 'ID: %s\nPos: (%d, %d)\nClass: %s' % (
touch.id, touch.id, touch.x, touch.y, touch.__class__.__name__)
touch.x,
touch.y,
touch.__class__.__name__
)
label.texture_update() label.texture_update()
label.pos = touch.pos label.pos = touch.pos
label.size = label.texture_size[0] + 20, label.texture_size[1] + 20 label.size = label.texture_size[0] + 20, label.texture_size[1] + 20
@ -78,8 +75,9 @@ class Touchtracer(FloatLayout):
class TouchtracerApp(App): class TouchtracerApp(App):
title = 'Touchtracer' title = 'Touchtracer'
icon = 'icon.png' icon = 'icon.png'
def build(self): def build(self):
return Touchtracer() return Touchtracer()
if __name__ in ('__main__', '__android__'): if __name__ in ('__main__', '__android__'):
TouchtracerApp().run() TouchtracerApp().run()