def start(self):
self.images = Images(self.app.ipcon)
self.update_frame_rate()
self.images.frame_rendered(0)
class ImagesWidget(QWidget, Ui_Images):
images = None
def __init__(self, parent, app):
super(QWidget, self).__init__()
self.app = app
self.setupUi(self)
self.error_msg = QErrorMessage()
self.error_msg.setWindowTitle("Starter Kit: Blinkenlights Demo " + config.DEMO_VERSION)
self.slider_frame_rate.valueChanged.connect(self.slider_frame_rate_changed)
self.spinbox_frame_rate.valueChanged.connect(self.spinbox_frame_rate_changed)
self.button_choose.pressed.connect(self.choose_pressed)
self.button_show.pressed.connect(self.show_pressed)
self.button_default.pressed.connect(self.default_pressed)
self.update_frame_rate_timer = QTimer(self)
self.update_frame_rate_timer.timeout.connect(self.update_frame_rate)
self.default_pressed()
def start(self):
self.images = Images(self.app.ipcon)
self.update_frame_rate()
self.images.frame_rendered(0)
def stop(self):
if self.images:
self.images.stop_rendering()
self.images = None
def spinbox_frame_rate_changed(self, frame_rate):
self.slider_frame_rate.setValue(frame_rate)
self.update_frame_rate_timer.start(100)
def slider_frame_rate_changed(self, frame_rate):
self.spinbox_frame_rate.setValue(frame_rate)
def show_pressed(self):
if self.images:
files = unicode(self.text_edit_files.toPlainText()).strip()
if len(files) > 0:
new_images = files.split('\n')
try:
self.images.set_new_images(new_images)
except Exception as e:
self.error_msg.showMessage(str(e))
self.images.frame_prepare_next()
self.images.frame_rendered(0)
def choose_pressed(self):
for filename in QFileDialog.getOpenFileNames(self, 'Choose Images', QDir.homePath()):
self.text_edit_files.append(filename)
def default_pressed(self):
self.spinbox_frame_rate.setValue(1)
def update_frame_rate(self):
self.update_frame_rate_timer.stop()
config.IMAGES_FRAME_RATE = self.spinbox_frame_rate.value()
if self.images:
self.images.update_frame_rate()