def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
# Additional GUI setup
self.setWindowTitle(__appname__ + " " + __version__)
self._set_resolution_limits()
self.scene_init = QtGui.QGraphicsScene()
self.scene_cycle = QtGui.QGraphicsScene()
self.graphicsView_init.setScene(self.scene_init)
self.graphicsView_cyclic.setScene(self.scene_cycle)
# Status bar
self.statusText = QtGui.QLabel("Ready")
self.statusBar().addWidget(self.statusText, 1)
# Restore GUI settings
self.read_settings()
# Thread initial config
self.worker_thread = QtCore.QThread()
self.image_processor = ImageProcessor()
self.image_processor.moveToThread(self.worker_thread)
self.image_processor.request_image.connect(self.image_request)
self.image_processor.comparison_done.connect(self.comparison_done)
self.image_processor.finished.connect(self.process_done)
self.worker_thread.started.connect(self.image_processor.process)
# Sound alarm system
self.alarm_thread = QtCore.QThread()
self.sound_alert = SoundAlert()
self.sound_alert.moveToThread(self.alarm_thread)
self.sound_alert.finished.connect(self.alarm_thread.quit)
self.alarm_thread.started.connect(self.sound_alert.process)
# Push notifications
self.notif_thread = QtCore.QThread()
self.push_bullet = PushBullet()
self.push_bullet.moveToThread(self.notif_thread)
self.push_bullet.finished.connect(self.notif_done)
self.notif_thread.started.connect(self.push_bullet.process)
# Signals
self.pushButton_select.clicked.connect(self._btn_select_clicked)
self.pushButton_start.clicked.connect(self._btn_start_clicked)
self.pushButton_send_test_message.clicked.connect(self._btn_send_test_message)
class MainWindow(QtGui.QMainWindow, Ui_MainWindow):
"""
Main Window GUI
"""
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
# Additional GUI setup
self.setWindowTitle(__appname__ + " " + __version__)
self._set_resolution_limits()
self.scene_init = QtGui.QGraphicsScene()
self.scene_cycle = QtGui.QGraphicsScene()
self.graphicsView_init.setScene(self.scene_init)
self.graphicsView_cyclic.setScene(self.scene_cycle)
# Status bar
self.statusText = QtGui.QLabel("Ready")
self.statusBar().addWidget(self.statusText, 1)
# Restore GUI settings
self.read_settings()
# Thread initial config
self.worker_thread = QtCore.QThread()
self.image_processor = ImageProcessor()
self.image_processor.moveToThread(self.worker_thread)
self.image_processor.request_image.connect(self.image_request)
self.image_processor.comparison_done.connect(self.comparison_done)
self.image_processor.finished.connect(self.process_done)
self.worker_thread.started.connect(self.image_processor.process)
# Sound alarm system
self.alarm_thread = QtCore.QThread()
self.sound_alert = SoundAlert()
self.sound_alert.moveToThread(self.alarm_thread)
self.sound_alert.finished.connect(self.alarm_thread.quit)
self.alarm_thread.started.connect(self.sound_alert.process)
# Push notifications
self.notif_thread = QtCore.QThread()
self.push_bullet = PushBullet()
self.push_bullet.moveToThread(self.notif_thread)
self.push_bullet.finished.connect(self.notif_done)
self.notif_thread.started.connect(self.push_bullet.process)
# Signals
self.pushButton_select.clicked.connect(self._btn_select_clicked)
self.pushButton_start.clicked.connect(self._btn_start_clicked)
self.pushButton_send_test_message.clicked.connect(self._btn_send_test_message)
# -------------------------------------------------------------------------
# Helper functions
def _set_resolution_limits(self):
screen_geom = ScanTools.get_full_screen_geometry()
self.spinBox_x.setMinimum(screen_geom.x())
self.spinBox_y.setMinimum(screen_geom.y())
self.spinBox_x.setMaximum(screen_geom.x() + screen_geom.width())
self.spinBox_y.setMaximum(screen_geom.y() + screen_geom.height())
self.spinBox_width.setMaximum(screen_geom.width())
self.spinBox_height.setMaximum(screen_geom.height())
def _take_screenshot(self):
return QtGui.QPixmap.grabWindow(
QtGui.QApplication.desktop().winId(),
self.screen_area.x(),
self.screen_area.y(),
self.screen_area.width(),
self.screen_area.height()
)
def _draw_init_image(self, screenshot):
pix_item = QtGui.QGraphicsPixmapItem(screenshot)
self.scene_init.clear()
self.scene_init.setSceneRect(screenshot.rect())
self.scene_init.addItem(pix_item)
def _draw_cycle_image(self, screenshot):
pix_item = QtGui.QGraphicsPixmapItem(screenshot)
self.scene_cycle.clear()
self.scene_cycle.setSceneRect(screenshot.rect())
self.scene_cycle.addItem(pix_item)
# -------------------------------------------------------------------------
# Alarm Handling
def _send_notification(self):
self.statusText.setStyleSheet("") # reset stylesheet
self.statusText.setText("Attempting to send notification...")
api_key = self.lineEdit_pb_key.text()
message_title = self.lineEdit_pb_title.text()
message_body = self.textEdit_pb_message.toPlainText()
self.push_bullet.set_message(
api_key,
message_title,
message_body
)
self.notif_thread.start()
def _handle_alarms(self):
audio_enabled = self.checkBox_audio.isChecked()
notification_enabled = self.checkBox_pushbullet.isChecked()
# sound the alarm :)
if audio_enabled:
self.sound_alert.exiting = False
self.alarm_thread.start()
# send push notification
if notification_enabled:
self._send_notification()
QtGui.QMessageBox.information(self, __appname__, "Threhsold exceeded.")
if audio_enabled:
self.sound_alert.exiting = True
# -------------------------------------------------------------------------
# Inter-thread communication
@QtCore.Slot()
def image_request(self):
screenshot = self._take_screenshot()
self._draw_cycle_image(screenshot)
self.image_processor.set_cyclic_image(screenshot.toImage())
self.image_processor.waitCondition.wakeOne()
@QtCore.Slot(float)
def comparison_done(self, result):
self.lineEdit_result.setText("{0:.2f}".format(result))
@QtCore.Slot(bool)
def process_done(self, thr_exceeded):
self.worker_thread.quit()
while self.worker_thread.isRunning():
time.sleep(0.01)
self.image_processor.waitCondition.wakeOne() # wake thread in case it's blocked at requesting an image
self.pushButton_start.setText("Start")
self.pushButton_start.setEnabled(True)
if thr_exceeded:
self._handle_alarms()
self.statusText.setStyleSheet("") # reset stylesheet
self.statusText.setText("Ready")
@QtCore.Slot(bool)
def notif_done(self, response):
self.notif_thread.quit()
if response:
self.statusText.setStyleSheet("QLabel {color: green;}")
self.statusText.setText("Notification successfully sent")
else:
self.statusText.setStyleSheet("QLabel {color: red;}")
self.statusText.setText("Failed to send notification")
while self.notif_thread.isRunning():
time.sleep(0.01)
# re-enable the button - doesn't matter if the notification wasn't a test
# synchronization problems between the test and the real alarm are minor
self.pushButton_send_test_message.setEnabled(True)
# -------------------------------------------------------------------------
# Buttons
@QtCore.Slot()
def _btn_send_test_message(self):
self.pushButton_send_test_message.setEnabled(False)
self._send_notification()
@QtCore.Slot()
def _btn_select_clicked(self):
trans_win = TransparentWindow()
if trans_win.exec_():
rubber_geom = trans_win.rubber_band.geometry()
self.spinBox_x.setValue(rubber_geom.x())
self.spinBox_y.setValue(rubber_geom.y())
self.spinBox_width.setValue(rubber_geom.width())
self.spinBox_height.setValue(rubber_geom.height())
@QtCore.Slot()
def _btn_start_clicked(self):
if not self.worker_thread.isRunning():
# Thread is not running and we wish to start it
self.image_processor.exiting = False
self.pushButton_start.setEnabled(False)
self.statusText.setStyleSheet("") # reset stylesheet
self.statusText.setText("Running...")
self.threshold = self.doubleSpinBox_thr.value()
self.cycle_time = self.spinBox_cycle.value()
self.screen_area = QtCore.QRect(
self.spinBox_x.value(),
self.spinBox_y.value(),
self.spinBox_width.value(),
self.spinBox_height.value())
screenshot = self._take_screenshot()
self._draw_init_image(screenshot)
self.scene_cycle.clear()
self.image_processor.config(self.threshold, self.cycle_time, screenshot.toImage())
self.worker_thread.start()
while not self.worker_thread.isRunning():
time.sleep(0.01)
self.pushButton_start.setText("Stop")
self.pushButton_start.setEnabled(True)
else:
# Thread is running and we wish to stop it
self.image_processor.exiting = True
self.pushButton_start.setEnabled(False)
# -------------------------------------------------------------------------
# GUI Restoration
def read_settings(self):
self.settings = QtCore.QSettings(
QtCore.QSettings.IniFormat,
QtCore.QSettings.UserScope,
__organization__,
__appname__
)
self.settings.beginGroup("MainWindow")
# Tab: Image Capture
self.spinBox_x.setValue(
int(self.settings.value("screen_x", 0))
)
self.spinBox_y.setValue(
int(self.settings.value("screen_y", 0))
)
self.spinBox_width.setValue(
int(self.settings.value("screen_width", 0))
)
self.spinBox_height.setValue(
int(self.settings.value("screen_height", 0))
)
self.doubleSpinBox_thr.setValue(
float(self.settings.value("threshold", 0))
)
self.spinBox_cycle.setValue(
int(self.settings.value("cycle", 3))
)
# Tab: Options
self.checkBox_audio.setChecked(
True if self.settings.value("enable_audio", "true") == "true" else False
)
self.checkBox_pushbullet.setChecked(
True if self.settings.value("enable_pushbullet", "false") == "true" else False
)
self.lineEdit_pb_key.setText(
self.settings.value("pb_key", "YOUR-API-KEY-HERE")
)
self.lineEdit_pb_title.setText(
self.settings.value("pb_title", "Alert")
)
self.textEdit_pb_message.setText(
self.settings.value("pb_message", "Threshold exceeded.")
)
self.settings.endGroup()
def write_settings(self):
self.settings = QtCore.QSettings(
QtCore.QSettings.IniFormat,
QtCore.QSettings.UserScope,
__organization__,
__appname__
)
self.settings.beginGroup("MainWindow")
# Tab: Image Capture
self.settings.setValue(
"screen_x",
self.spinBox_x.value()
)
self.settings.setValue(
"screen_y",
self.spinBox_y.value()
)
self.settings.setValue(
"screen_width",
self.spinBox_width.value()
)
self.settings.setValue(
"screen_height",
self.spinBox_height.value()
)
self.settings.setValue(
"threshold",
self.doubleSpinBox_thr.value()
)
self.settings.setValue(
"cycle",
self.spinBox_cycle.value()
)
# Tab: Options
self.settings.setValue(
"enable_audio",
self.checkBox_audio.isChecked()
)
self.settings.setValue(
"enable_pushbullet",
self.checkBox_pushbullet.isChecked()
)
self.settings.setValue(
"pb_key",
self.lineEdit_pb_key.text()
)
self.settings.setValue(
"pb_title",
self.lineEdit_pb_title.text()
)
self.settings.setValue(
"pb_message",
self.textEdit_pb_message.toPlainText()
)
self.settings.endGroup()
# event: QCloseEvent
def closeEvent(self, event):
self.write_settings()
event.accept()
