def create_controls(self):
"""
Create UI controls.
"""
vbox = QtGui.QVBoxLayout()
form = QtGui.QFormLayout()
self.num_sigma = QtGui.QDoubleSpinBox()
self.num_sigma.setValue(1.0)
self.num_sigma.setMinimum(0.0)
self.num_sigma.setSingleStep(0.1)
self.num_sigma.setMaximum(1e3)
self.num_sigma.setDecimals(2)
form.addRow(tr("Sigma:"), self.num_sigma)
vbox.addLayout(form)
self.chk_preview = QtGui.QCheckBox(tr("Preview"))
self.chk_preview.setCheckable(True)
self.chk_preview.setChecked(False)
vbox.addWidget(self.chk_preview)
self.chk_preview.toggled[bool].connect(self.set_preview)
self.gbo_output = QtGui.QGroupBox(tr("Output"))
self.opt_new = QtGui.QRadioButton(tr("New signal"))
self.opt_replace = QtGui.QRadioButton(tr("In place"))
self.opt_new.setChecked(True)
gbo_vbox2 = QtGui.QVBoxLayout()
gbo_vbox2.addWidget(self.opt_new)
gbo_vbox2.addWidget(self.opt_replace)
self.gbo_output.setLayout(gbo_vbox2)
vbox.addWidget(self.gbo_output)
self.btn_ok = QtGui.QPushButton(tr("&OK"))
self.btn_ok.setDefault(True)
self.btn_ok.clicked.connect(self.accept)
self.btn_cancel = QtGui.QPushButton(tr("&Cancel"))
self.btn_cancel.clicked.connect(self.reject)
hbox = QtGui.QHBoxLayout()
hbox.addWidget(self.btn_ok)
hbox.addWidget(self.btn_cancel)
vbox.addLayout(hbox)
vbox.addStretch(1)
self.setLayout(vbox)
def setupButtons(self, yaml_file):
"""
Parse yaml file and setup Buttons. Format of the yaml file should be:
- name: 'button name' (required)
image: 'path to image for icon' (optional)
image_size: 'width and height of icon' (optional)
service: 'service' (required)
column: 'column index' (optional, defaults to 0)
"""
self.buttons = []
with open(yaml_file) as f:
yaml_data = yaml.load(f)
# lookup colum direction
direction = 'vertical'
for d in yaml_data:
if d.has_key('direction'):
if d['direction'] == 'horizontal':
direction = 'horizontal'
else: # d['direction'] == 'vertical':
direction = 'vertical'
yaml_data.remove(d)
break
# lookup column num
column_indices = [d['column'] for d in yaml_data]
max_column_index = max(*column_indices)
if direction == 'vertical':
self.layout = QtGui.QHBoxLayout()
self.layout_boxes = [QtGui.QVBoxLayout()
for i in range(max_column_index + 1)]
else: # direction == 'horizontal'
self.layout = QtGui.QVBoxLayout()
self.layout_boxes = [QtGui.QHBoxLayout()
for i in range(max_column_index + 1)]
self.button_groups = [QtGui.QGroupBox()
for i in range(max_column_index + 1)]
for button_data in yaml_data:
# check if all the field is available
if not button_data.has_key("name"):
self.showError("name field is missed in yaml")
raise Exception("name field is missed in yaml")
if not button_data.has_key("service"):
self.showError("service field is missed in yaml")
raise Exception("service field is missed in yaml")
if self.button_type == "push":
button = QtGui.QToolButton()
else: # self.button_type == "Radio":
button = QtGui.QRadioButton()
button.setSizePolicy(QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred))
if button_data.has_key("image"):
image_file = get_filename(button_data["image"])[len("file://"):]
if os.path.exists(image_file):
icon = QtGui.QIcon(image_file)
button.setIcon(icon)
if button_data.has_key("image_size"):
button.setIconSize(QSize(button_data["image_size"][0], button_data["image_size"][1]))
else:
button.setIconSize(QSize(100, 100))
if button_data.has_key("name"):
name = button_data['name']
button.setText(name)
button.clicked.connect(self.buttonCallback(button_data['service']))
if self.button_type == "push":
button.setToolButtonStyle(QtCore.Qt.ToolButtonTextUnderIcon)
else: # self.button_type == "Radio":
if button_data.has_key("default_value") and button_data['default_value']:
button.setChecked(True)
self.layout_boxes[button_data['column']].addWidget(button)
self.buttons.append(button)
for i in range(len(self.button_groups)):
self.button_groups[i].setLayout(self.layout_boxes[i])
for group in self.button_groups:
self.layout.addWidget(group)
self.setLayout(self.layout)
