HCameraApp

HCameraApp.py

from Hydrogen import *
from HydrogenLayouts import HColumnLayout, HBarLayout

class Camera(object):
	def __init__(self, name):
		self.name = name
		self.sensitivity = 0.0
		self.is_on = False
		
	def __str__(self):
		on_off = 'ON' if self.is_on else 'OFF'
		return self.name + ' is ' + on_off + ', Sensitivity = ' + str(self.sensitivity)

class HCameraApp(HScene):
	def setup(self):
		self.cameras = self.create_cameras(10)
		self.add_local_laf()
		self.build_gui()
		
	def create_cameras(self, cams):
		cameras = []
		for c in xrange(cams):
			cameras.append(Camera('Camera ' + str(c)))
		return cameras
		
	def add_local_laf(self):
		LAF['Font Size'] = 16
		LAF['Top Selection Bar Background'] = (1.00, 1.00, 1.00, 1.00)
		LAF['Top Selection Bar Shape'] = round_top_rect
		LAF['Bottom Selection Bar Background'] = (1.00, 1.00, 1.00, 1.00)
		LAF['Bottom Selection Bar Shape'] = round_bottom_rect
		LAF['Selection Bar Background'] = (1.00, 1.00, 1.00, 1.00)
		LAF['Selection Bar Shape'] = rectangle
		LAF['Spacer Show Background'] = False 
		LAF['Spacer Show Border'] = False
		
	def build_gui(self):
		panel = HContainer()
		panel.layout = HColumnLayout(panel)
		panel.layout.pad = HInset(0, 0, -0.5, -0.5)
		panel.insets = HInset(10, 10, 10, 10)
		panel.add_component(HText("HCameraApp"))
		spacer = HComponent()
		spacer.laf_prefix = "Spacer "
		spacer.preferred_size = Size(10, 10)
		panel.add_component(spacer)
		barInfos = []
		for i, cam in enumerate(self.cameras):
			barInfos.append(('', cam.name + '          ', cam))
		barInfos[0] = ('Top ', barInfos[0][1], barInfos[0][2])
		barInfos[len(barInfos) - 1] = ('Bottom ', barInfos[len(barInfos) - 1][1], barInfos[len(barInfos) - 1][2])
		for barInfo in barInfos:
			bar = HContainer()
			bar.laf_prefix = '{}Selection Bar '.format(barInfo[0])
			bar.layout = HBarLayout(bar)
			bar.layout.pad = HInset(5, 5, 5, 5)
			bar.add_component(HText(barInfo[1]), 'left')
			switch = HSwitch()
			switch.id = barInfo[2]
			switch.change_listeners.append(self.switch_changed)
			bar.add_component(switch, 'center')
			slider = HSlider()
			slider.id = barInfo[2]
			slider.change_listeners.append(self.slider_changed)
			bar.add_component(slider, 'right')
			panel.add_component(bar)
		panel.add_component(spacer)
		self.change_text = HText('Camera Status')
		panel.add_component(self.change_text)
		self.add_component(panel)
		panel.bounds.x = (self.bounds.w - panel.bounds.w) / 2
		panel.bounds.y = (self.bounds.h - panel.bounds.h) / 2

		
	def switch_changed(self, switch):
		camera = switch.id
		camera.is_on = switch.is_selected
		self.change_text.set_text(camera.__str__())
		
	def slider_changed(self, slider):
		camera = slider.id
		camera.sensitivity = int(slider.value * 100)
		self.change_text.set_text(camera.__str__())

run(HCameraApp())