for x in range(6):
Slider(
(0,100,0),
(255, 255, 0),
(205 + (x*70), 20),
(40, 390),
None)
Slider(
(0,100,0),
(0, 255, 255),
(205,430),
(390,40),
None)
ts.run()
running = True
while running:
for event in pygame.event.get():
if event.type == KEYDOWN and event.key == K_ESCAPE:
ts.stop()
sys.exit()
screen.fill((0, 0, 0))
render_widgets(screen)
pygame.display.flip()
time.sleep(0.01)
state = str(state)
stateFile.close()
if (state == "lcd"):
SP.call('echo "hdmi" > /home/pi/swipi-retro/assets/currentDisplayMode', shell=True)
SP.call(['sudo','/home/pi/swipi-retro/assets/hdmi_out'])
else :
SP.call('echo "lcd" > /home/pi/swipi-retro/assets/currentDisplayMode', shell=True)
SP.call(['sudo','/home/pi/swipi-retro/assets/lcd_out'])
if __name__ == "__main__":
global shouldRun
shouldRun = True
ts = Touchscreen()
for touch in ts.touches:
touch.on_press = read_and_emulate_mouse
touch.on_release = read_and_emulate_mouse
touch.on_move = read_and_emulate_mouse
ts.run()
while shouldRun:
try:
time.sleep(1)
except KeyboardInterrupt:
ts.stop()
exit()
ts.stop()
exit()
class Interface:
def __init__(self, **kwargs):
# define interface parameters
self.screen_size = kwargs.get('screen_size', (800, 480))
self.fill_color = kwargs.get('fill_color', (0, 0, 0))
self.font_color = kwargs.get('font_color', (255, 255, 255))
self.font_size = kwargs.get('font_size', 20)
self.font = kwargs.get('font', "freesansbold.ttf")
cmd = 'echo %d > /sys/class/backlight/rpi_backlight/brightness' % 64
os.system(cmd)
# define interface variables
self.screen = None
self.ts = Touchscreen()
if not pygame.get_init():
pygame.init()
pygame.mouse.set_visible(0)
self.screen = pygame.display.set_mode(self.screen_size)
for touch in self.ts.touches:
touch.on_press = self._touch_handler
touch.on_release = self._touch_handler
self.ts.run()
self.screen.fill(self.fill_color)
self.buttons = []
self.texts = []
self.button = []
self.numpad = ''
def _draw_button(self, button, color=None):
if not color:
color = button.color
self.draw(button.name, button.x, button.y, button.w, button.h,
button.font_color, button.font_size, color)
def _numpad_input(self, digit):
if any(digit):
self.numpad += digit
else:
self.numpad = self.numpad[0:-1]
self.draw(self.numpad, 500, 0, 300, 100, (255, 255, 255), 40,
(0, 0, 0))
def _touch_handler(self, event, touch):
if event == TS_PRESS:
self.button = []
for button in self.buttons:
if button.x + button.w > touch.x > button.x and button.y + button.h > touch.y > button.y:
self.button = button
self._draw_button(button, button.push_color)
return
if event == TS_RELEASE:
button = self.button
if button:
self._draw_button(button)
button.pressed = True
if isinstance(button.action, str):
exec(button.action)
else:
button.action()
def add_button(self, **kwargs):
button = Button(**kwargs)
self.buttons.append(button)
self._draw_button(button)
return button
def remove_button(self, button):
self.buttons.remove(button)
def add_numpad(self):
for i in range(1, 10):
self.add_button(name=str(i),
x=numpy.mod(i - 1, 3) * 100 + 400,
y=numpy.floor((i - 1) / 3) * 100 + 100,
action='self._numpad_input("' + str(i) + '")')
self.add_button(name='0',
x=700,
y=200,
action='self._numpad_input("0")')
self.add_button(name='<-',
x=700,
y=300,
action='self._numpad_input("")')
self.add_button(name='.',
x=700,
y=100,
action='self._numpad_input(".")')
def add_esc(self):
self.add_button(name='Esc',
x=750,
y=0,
w=50,
h=50,
action='self.exit()')
def draw(self,
text,
x=0,
y=0,
w=800,
h=480,
color=(255, 255, 255),
size=40,
background=None):
if background:
pygame.draw.rect(self.screen, background, (x, y, w, h))
font = pygame.font.Font(self.font, size)
lines = []
txt = ''
line_width = 0
nline = 0
for word in text.split(' '):
word_surface = font.render(word, True, color)
word_width, word_height = word_surface.get_size()
if line_width + word_width >= w:
lines.append(txt)
txt = ''
line_width = 0
txt += ' ' + word
line_width += word_width + font.size(' ')[0]
lines.append(txt)
offset = (h - word_height * numpy.size(lines)) / 2
for line in lines:
nline += 1 # Start on new row.
text_surf = font.render(line, True, color)
text_rect = text_surf.get_rect()
text_rect.center = ((x + (w / 2)), (y + offset + word_height *
(nline - 1) + word_height / 2))
self.screen.blit(text_surf, text_rect)
pygame.display.update()
def cleanup(self):
self.screen.fill(self.fill_color)
self.buttons = []
self.button = []
self.numpad = ''
def exit(self):
try:
self.ts.stop()
finally:
if pygame.get_init():
pygame.mouse.set_visible(1)
pygame.quit()
