class CQCameraPreviewWindow(QtWidgets.QMainWindow):
closeSignal = QtCore.pyqtSignal()
ioctlRequest = QtCore.pyqtSignal(dict)
def __init__(self, *args, **kwargs):
super(CQCameraPreviewWindow, self).__init__(*args, **kwargs)
self._MIN_WIN_WIDTH = 640
self.oc_camera_info = None
self.oc_camera = None
self.b_guard = False
self.toolbar = QtWidgets.QToolBar("Preview")
self.cbox_resolution = CLabeledComboBox("Resolution:")
self.cbox_resolution.cbox.currentIndexChanged.connect(self.__cb_on_resolution_cbox_index_changed)
self.toolbar.addWidget(self.cbox_resolution)
self.toolbar.addSeparator()
self.cbox_frame_rate = CLabeledComboBox("Frame Rate:")
self.cbox_frame_rate.cbox.currentIndexChanged.connect(self.__cb_on_frame_rate_cbox_index_changed)
self.toolbar.addWidget(self.cbox_frame_rate)
self.addToolBar(self.toolbar)
self.toolbar.addSeparator()
self.oc_view_finder = QCameraViewfinder()
self.setCentralWidget(self.oc_view_finder)
def __cb_on_resolution_cbox_index_changed(self, i_idx):
if self.oc_camera is None:
self.fatal_error("Unallocated camera object detected")
if self.b_guard: return
l_res = self.cbox_resolution.cbox.itemText(i_idx).split(" x ")
oc_vf_settings = self.oc_camera.viewfinderSettings()
if oc_vf_settings.isNull():
self.fatal_error("Unable to retrieve camera settings")
i_w, i_h = int(l_res[0]), int(l_res[1])
oc_vf_settings.setResolution(i_w, i_h)
self.oc_camera.setViewfinderSettings(oc_vf_settings)
self.oc_view_finder.setFixedSize(i_w, i_h)
if i_w >= self._MIN_WIN_WIDTH:
self.adjustSize()
self.setFixedSize(self.sizeHint())
def __cb_on_frame_rate_cbox_index_changed(self, i_idx):
if self.oc_camera is None:
self.fatal_error("Unallocated camera object detected")
if self.b_guard: return
f_res = float(self.cbox_frame_rate.cbox.itemText(i_idx))
oc_vf_settings = self.oc_camera.viewfinderSettings()
if oc_vf_settings.isNull():
self.fatal_error("Unable to retrieve camera settings")
oc_vf_settings.setMinimumFrameRate(f_res)
oc_vf_settings.setMaximumFrameRate(f_res)
self.oc_camera.setViewfinderSettings(oc_vf_settings)
def __camera_sync_start(self):
i_sec_cnt = 0
self.oc_camera.start()
while True:
cam_status = self.oc_camera.status()
if cam_status == QCamera.ActiveStatus: break
else:
time.sleep(1)
i_sec_cnt += 1
if i_sec_cnt >= 10: self.fatal_error("Unable to start the camera")
def __update_UI(self):
# retrieve all supported resolutions and populate the resolution combo box
l_resolutions = self.oc_camera.supportedViewfinderResolutions()
if len(l_resolutions) > 0:
l_res = []
for oc_res in l_resolutions:
l_res.append("%i x %i" % (oc_res.width(), oc_res.height()))
self.cbox_resolution.cbox.clear()
self.cbox_resolution.cbox.addItems(l_res)
oc_vf_settings = self.oc_camera.viewfinderSettings()
if oc_vf_settings.isNull():
self.fatal_error("Unable to retrieve camera settings")
# set current item index in the resolution combo box
# according to the current resolution of our camera
oc_curr_res = oc_vf_settings.resolution()
s_res_hash = "%i x %i" % (oc_curr_res.width(), oc_curr_res.height())
for i_idx in range(self.cbox_resolution.cbox.count()):
if self.cbox_resolution.cbox.itemText(i_idx) == s_res_hash:
self.cbox_resolution.cbox.setCurrentIndex(i_idx)
# retrieve all supported frame rates and populate the frame rate combo box
l_frates = self.oc_camera.supportedViewfinderFrameRateRanges()
if len(l_frates) > 0:
l_res = []
for oc_frate in l_frates:
l_res.append("%f" % oc_frate.minimumFrameRate)
self.cbox_frame_rate.cbox.clear()
self.cbox_frame_rate.cbox.addItems(l_res)
# set current item index in the frame rate combo box
# according to the current frame rate of our camera
i_curr_frate = int(oc_vf_settings.minimumFrameRate())
for i_idx in range(self.cbox_frame_rate.cbox.count()):
if int(float(self.cbox_frame_rate.cbox.itemText(i_idx))) == i_curr_frate:
self.cbox_frame_rate.cbox.setCurrentIndex(i_idx)
def fatal_error(self, s_msg):
if self.oc_camera is not None: self.oc_camera.stop()
QtWidgets.QMessageBox.critical(None, "Fatal Error", "%s\nThe application will exit now." % s_msg)
sys.exit(-1)
def start_preview(self, oc_camera_info, oc_frame_cap_thread):
if self.oc_camera is not None:
self.fatal_error("Preallocated camera object detected")
self.oc_camera_info = oc_camera_info
self.oc_camera = QCamera(self.oc_camera_info)
self.oc_camera.setViewfinder(self.oc_view_finder)
self.oc_camera.setCaptureMode(QCamera.CaptureVideo)
self.oc_camera.error.connect(lambda: self.show_error_message(self.oc_camera.errorString()))
self.b_guard = True
self.__camera_sync_start()
self.__update_UI()
self.b_guard = False
self.setWindowTitle(self.oc_camera_info.description())
self.adjustSize()
self.setFixedSize(self.sizeHint())
def stop_preview(self):
if self.oc_camera is None:
return # this is correct logic, no error here
self.oc_camera.stop()
self.oc_camera.unload()
self.oc_camera = None
self.oc_camera_info = None
def is_save_state_needed(self):
return False
def save_state(self):
pass
def show_error_message(self, s_msg):
err = QtWidgets.QErrorMessage(self)
err.showMessage(s_msg)
def closeEvent(self, event):
if self.is_save_state_needed():
self.save_state()
self.stop_preview()
self.closeSignal.emit()
class UserWidget(QWidget):
host_name = None
full_name = None
user_name = None
passwd = None
repasswd = None
rpasswd = None
rrepasswd = None
def __init__(self, parent=None):
super().__init__()
self.parent = parent
self.setWindowTitle(self.tr("User Creation"))
self.setStyleSheet("QToolButton {border: none;}")
self.setLayout(QHBoxLayout())
left_layout = QVBoxLayout()
self.layout().addLayout(left_layout)
name_label = QLabel()
name_label.setText(self.tr("What is your name?"))
left_layout.addWidget(name_label)
name_layout = QHBoxLayout()
left_layout.addLayout(name_layout)
self.name_line = QLineEdit()
self.name_line.setPlaceholderText(self.tr("Fullname"))
self.name_line.setFixedWidth(450)
name_layout.addWidget(self.name_line)
self.name_icon = QLabel()
self.name_icon.setFixedSize(24, 24)
self.name_icon.setScaledContents(True)
name_layout.addWidget(self.name_icon)
user_label = QLabel()
user_label.setText(self.tr("Username to sign in?"))
left_layout.addWidget(user_label)
user_layout = QHBoxLayout()
left_layout.addLayout(user_layout)
self.user_line = QLineEdit()
self.user_line.setPlaceholderText(self.tr("Username"))
user_layout.addWidget(self.user_line)
self.user_icon = QLabel()
self.user_icon.setScaledContents(True)
self.user_icon.setFixedSize(24, 24)
user_layout.addWidget(self.user_icon)
host_label = QLabel()
host_label.setText(self.tr("What should this computer be named?"))
left_layout.addWidget(host_label)
host_layout = QHBoxLayout()
left_layout.addLayout(host_layout)
self.host_line = QLineEdit()
self.host_line.setPlaceholderText(self.tr("Hostname"))
host_layout.addWidget(self.host_line)
self.host_icon = QLabel()
self.host_icon.setFixedSize(24, 24)
self.host_icon.setScaledContents(True)
host_layout.addWidget(self.host_icon)
pass_label = QLabel()
pass_label.setText(self.tr("Enter your user password."))
left_layout.addWidget(pass_label)
pass_layout = QHBoxLayout()
left_layout.addLayout(pass_layout)
self.pass_line = QLineEdit()
self.pass_line.setEchoMode(QLineEdit.Password)
self.pass_line.setPlaceholderText(self.tr("Password"))
pass_layout.addWidget(self.pass_line)
self.pass_icon = QLabel()
self.pass_icon.setScaledContents(True)
self.pass_icon.setFixedSize(24, 24)
pass_layout.addWidget(self.pass_icon)
repass_layout = QHBoxLayout()
left_layout.addLayout(repass_layout)
self.repass_line = QLineEdit()
self.repass_line.setEchoMode(QLineEdit.Password)
self.repass_line.setPlaceholderText(self.tr("Repassword"))
repass_layout.addWidget(self.repass_line)
self.repass_icon = QLabel()
self.repass_icon.setScaledContents(True)
self.repass_icon.setFixedSize(24, 24)
repass_layout.addWidget(self.repass_icon)
self.auto_box = QCheckBox()
self.auto_box.setChecked(True)
self.auto_box.setText(self.tr("Sign in without password."))
left_layout.addWidget(self.auto_box)
self.root_box = QCheckBox()
self.root_box.setChecked(True)
self.root_box.setText(
self.
tr("Should the administrator and the user use the same password?"))
left_layout.addWidget(self.root_box)
rpass_layout = QHBoxLayout()
left_layout.addLayout(rpass_layout)
self.spacer = QSpacerItem(0, 40, QSizePolicy.Maximum,
QSizePolicy.Expanding)
rpass_layout.addSpacerItem(self.spacer)
self.rpass_line = QLineEdit()
self.rpass_line.hide()
self.rpass_line.setEchoMode(QLineEdit.Password)
self.rpass_line.setPlaceholderText(self.tr("Root Password"))
rpass_layout.addWidget(self.rpass_line)
self.rpass_icon = QLabel()
self.rpass_icon.hide()
self.rpass_icon.setScaledContents(True)
self.rpass_icon.setFixedSize(24, 24)
rpass_layout.addWidget(self.rpass_icon)
rrepass_layout = QHBoxLayout()
left_layout.addLayout(rrepass_layout)
self.rrepass_line = QLineEdit()
self.rrepass_line.hide()
self.rrepass_line.setEchoMode(QLineEdit.Password)
self.rrepass_line.setPlaceholderText(self.tr("Root Repassword"))
rrepass_layout.addWidget(self.rrepass_line)
self.rrepass_icon = QLabel()
self.rrepass_icon.hide()
self.rrepass_icon.setScaledContents(True)
self.rrepass_icon.setFixedSize(24, 24)
rrepass_layout.addWidget(self.rrepass_icon)
self.layout().addSpacerItem(
QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Expanding))
right_layout = QVBoxLayout()
self.layout().addLayout(right_layout)
######## Camera
self.cameras = QCameraInfo.availableCameras()
print(self.cameras)
self.photo_label = QLabel()
self.photo_label.setFixedSize(192, 192)
self.photo_label.setScaledContents(True)
self.photo_label.setPixmap(QPixmap(":/images/user-avatar.svg"))
self.parent.lilii_settings["avatar"] = None
right_layout.addWidget(self.photo_label)
if len(self.cameras):
self.photo_label.hide()
self.photo_widget = QCameraViewfinder()
self.photo_widget.setFixedSize(192 / 4 * 5, 192)
right_layout.addWidget(self.photo_widget)
self.camera = QCamera(self.cameras[0])
self.camera.setViewfinder(self.photo_widget)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.image_capture = QCameraImageCapture(self.camera)
self.image_capture.imageSaved.connect(self.imageCapture)
button_layout = QHBoxLayout()
right_layout.addLayout(button_layout)
self.take_photo = CustomToolButton()
self.take_photo.setEnabled(len(self.cameras))
self.take_photo.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
self.take_photo.setText(self.tr("Take Photo"))
self.take_photo.setIconSize(QSize(32, 32))
self.take_photo.setIcon(QIcon(":/images/camera.svg"))
self.take_photo.setEnterIcon(QIcon(":/images/camera-red.svg"))
self.take_photo.setLeaveIcon(QIcon(":/images/camera.svg"))
button_layout.addWidget(self.take_photo)
self.retake_photo = CustomToolButton()
self.retake_photo.hide()
self.retake_photo.setEnabled(len(self.cameras))
self.retake_photo.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
self.retake_photo.setText(self.tr("Retake Photo"))
self.retake_photo.setIconSize(QSize(32, 32))
self.retake_photo.setIcon(QIcon(":/images/camera.svg"))
self.retake_photo.setEnterIcon(QIcon(":/images/camera-red.svg"))
self.retake_photo.setLeaveIcon(QIcon(":/images/camera.svg"))
button_layout.addWidget(self.retake_photo)
select_photo = CustomToolButton()
select_photo.setToolButtonStyle(Qt.ToolButtonTextUnderIcon)
select_photo.setText(self.tr("Select Photo"))
select_photo.setIconSize(QSize(32, 32))
select_photo.setIcon(QIcon(":/images/users.svg"))
select_photo.setLeaveIcon(QIcon(":/images/users.svg"))
select_photo.setEnterIcon(QIcon(":/images/users-red.svg"))
button_layout.addWidget(select_photo)
self.layout().addSpacerItem(
QSpacerItem(40, 20, QSizePolicy.Expanding, QSizePolicy.Expanding))
self.parent.lilii_settings["auto_login"] = self.auto_box.isChecked()
self.parent.lilii_settings["root_user"] = self.root_box.isChecked()
self.auto_box.toggled.connect(self.autoControl)
self.root_box.toggled.connect(self.rootControl)
self.host_line.textChanged.connect(self.hostnameControl)
self.name_line.textChanged.connect(self.fullnameControl)
self.name_line.textChanged.connect(self.fullnameToUsername)
self.user_line.textChanged.connect(self.usernameControl)
self.pass_line.textChanged.connect(self.passwordControl)
self.repass_line.textChanged.connect(self.repasswordControl)
self.rpass_line.textChanged.connect(self.rpasswordControl)
self.rrepass_line.textChanged.connect(self.rrepasswordControl)
self.root_box.toggled.connect(self.lineEditsControl)
self.host_line.textChanged.connect(self.lineEditsControl)
self.name_line.textChanged.connect(self.lineEditsControl)
self.user_line.textChanged.connect(self.lineEditsControl)
self.pass_line.textChanged.connect(self.lineEditsControl)
self.repass_line.textChanged.connect(self.lineEditsControl)
self.rpass_line.textChanged.connect(self.lineEditsControl)
self.rrepass_line.textChanged.connect(self.lineEditsControl)
select_photo.clicked.connect(self.selectPhoto)
self.take_photo.clicked.connect(self.takePhoto)
self.retake_photo.clicked.connect(self.retakePhoto)
def showEvent(self, event):
self.lineEditsControl()
if len(self.cameras):
self.retakePhoto()
def autoControl(self):
self.parent.lilii_settings["auto_login"] = self.auto_box.isChecked()
def rootControl(self):
self.parent.lilii_settings["root_user"] = self.root_box.isChecked()
if not self.root_box.isChecked():
self.rpass_line.show()
self.rpass_icon.show()
self.rrepass_line.show()
self.rrepass_icon.show()
else:
self.rpass_line.hide()
self.rpass_icon.hide()
self.rrepass_line.hide()
self.rrepass_icon.hide()
def hostnameControl(self, hostname):
if hostname.isalnum() and len(hostname) > 3:
self.host_name = True
self.host_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.host_name = False
self.host_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def fullnameControl(self, fullname):
if len(fullname) > 2:
self.full_name = True
self.name_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.full_name = False
self.name_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def usernameControl(self, username):
if username.isalnum() and len(username) > 3:
self.user_name = True
self.user_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.user_name = False
self.user_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def fullnameToUsername(self, text):
self.user_line.setText(text.lower().replace(" ", ""))
def passwordControl(self, passwd):
if len(passwd) > 5:
self.passwd = True
self.pass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.passwd = False
self.pass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
if passwd == self.repass_line.text():
self.repasswd = True
self.repass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.repasswd = False
self.repass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def repasswordControl(self, repasswd):
if repasswd == self.pass_line.text():
self.repasswd = True
self.repass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.repasswd = False
self.repass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def rpasswordControl(self, passwd):
if len(passwd) > 5:
self.rpasswd = True
self.rpass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.rpasswd = False
self.rpass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
if passwd == self.rrepass_line.text():
self.rrepasswd = True
self.rrepass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.rrepasswd = False
self.rrepass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
def rrepasswordControl(self, repasswd):
if repasswd == self.rpass_line.text():
self.rrepasswd = True
self.rrepass_icon.setPixmap(QPixmap(":/images/apply.svg"))
else:
self.rrepasswd = False
self.rrepass_icon.setPixmap(QPixmap(":/images/xxx.svg"))
applyPage = pyqtSignal(bool)
def lineEditsControl(self):
if not self.root_box.isChecked():
if self.host_name and self.full_name and self.user_name and self.passwd and self.repasswd and self.rpasswd \
and self.rrepasswd:
self.parent.lilii_settings["root_pass"] = self.rpass_line.text(
)
self.applyPage.emit(True)
self.parent.lilii_settings["fullname"] = self.name_line.text()
self.parent.lilii_settings["username"] = self.user_line.text()
self.parent.lilii_settings["password"] = self.pass_line.text()
self.parent.lilii_settings["hostname"] = self.host_line.text()
else:
self.applyPage.emit(False)
elif self.host_name and self.full_name and self.user_name and self.passwd and self.repasswd:
self.parent.lilii_settings["fullname"] = self.name_line.text()
self.parent.lilii_settings["username"] = self.user_line.text()
self.parent.lilii_settings["password"] = self.pass_line.text()
self.parent.lilii_settings["hostname"] = self.host_line.text()
self.applyPage.emit(True)
else:
self.applyPage.emit(False)
def selectPhoto(self):
avatar_path = QDir.homePath() + "/.face.icon"
file_path = QFileDialog.getOpenFileName(self,
self.tr("Choose a user icon"),
QDir.homePath(),
"Image (*.png *.jpg)")
if file_path[0]:
image = Image.open(file_path[0])
crop_image = image.crop(imageCrop(image))
new_image = avatarCreate(crop_image)
new_image.save(avatar_path, "PNG")
self.photo_label.setPixmap(QPixmap(avatar_path))
self.parent.lilii_settings["avatar"] = True
def takePhoto(self):
self.take_photo.hide()
self.retake_photo.show()
self.image_capture.capture("/tmp/image")
self.camera.stop()
self.photo_label.show()
self.photo_widget.hide()
def retakePhoto(self):
self.retake_photo.hide()
self.take_photo.show()
self.camera.start()
self.photo_widget.show()
self.photo_label.hide()
def imageCapture(self, id, image_file):
path = QDir.homePath() + "/.face.icon"
im = Image.open(image_file)
crop_image = im.crop(imageCrop(im))
new_image = avatarCreate(crop_image)
new_image.save(path, "PNG")
self.photo_label.setPixmap(QPixmap(path))
self.parent.lilii_settings["avatar"] = True