class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.ui = Ui_MainWindow()
self.ui.setupUi(self)
# self.setWindowState(Qt.WindowMaximized)
self.init_events()
self.hub = DeviceHub()
self.hub.seeked.connect(self.on_hub_seek)
def init_events(self):
self.ui.searchBtn.clicked.connect(
self.on_searchBtn_clicked(self.ui.searchBtn))
def on_searchBtn_clicked(self, which):
def on(e):
which.setText('搜索中...')
self.hub.seek()
return on
@Slot(list)
def on_hub_seek(self, devices):
self.ui.searchBtn.setText('搜索设备')
QMessageBox.information(self, '搜索结果',
'发现{}台设备'.format(len(self.hub.hold)),
QMessageBox.Ok)
if len(devices):
self.show_result()
@Slot()
def show_result(self):
self.panel = QFrame()
self.panel.setWindowTitle('设备列表')
self.panel_layout = QHBoxLayout(self.panel)
for i in self.hub.hold:
device = Device(serial=i.serial, hub=self.hub)
self.panel_layout.addWidget(device)
self.panel.show()
class PropertyTreeDelegateEditor(QFrame):
"""A special editor that handles renaming blocks and groups."""
sizeHintChanged = Signal(object)
"""Emitted when the widget changes sizeHint. Delegate should update it's geometry."""
def __init__(self, parent=None):
super().__init__(parent)
layout = QVBoxLayout()
self.setLayout(layout)
self.setContentsMargins(0, 0, 0, 0)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
self.setAutoFillBackground(True)
self.setFocusPolicy(Qt.StrongFocus)
self.setFrameStyle(QFrame.Panel | QFrame.Plain)
self._fallback_text = None
self._experiment = None
self.line_edit = QLineEdit()
self.line_edit.setFrame(False)
self.message_label = QLabel()
self.message_label.hide()
# Divider line
self.divider_line = QFrame()
self.divider_line.setFrameShape(QFrame.HLine)
self.divider_line.setFrameShadow(QFrame.Plain)
self.divider_line.setLineWidth(1)
layout.addWidget(self.line_edit)
layout.addWidget(self.divider_line)
layout.addWidget(self.message_label)
self.line_edit.textChanged.connect(self._updateMessage)
def experiment(self):
return self._experiment
def setExperiment(self, ex):
self._experiment = ex
def fallbackText(self):
return self._fallback_text
def text(self):
"""Get the current text value of the editor widget.
If editing has not been finished succesfully, returns fallbackText().
"""
(text_ok, _) = self.experiment().checkName(self.line_edit.text())
if text_ok:
return self.line_edit.text()
else:
return self.fallbackText()
def setFallbackText(self, text):
"""Set the fallback text value to be used if the editing was not succesfully finished.
The text() method returns this value or the line_edit text.
"""
self._fallback_text = text
def setText(self, text):
"""Set currently editable text. Equivalent to self.line_edit.setText."""
self.line_edit.setText(text)
def _updateMessage(self):
"""Update the displayed message in response to changed text."""
if self.line_edit.text() == self.fallbackText():
# Perform no check
text_ok = True
else:
(text_ok, reason) = self.experiment().checkName(self.line_edit.text())
if text_ok:
self.message_label.hide()
self.divider_line.hide()
else:
self.message_label.setText(reason)
self.message_label.show()
self.divider_line.show()
self.sizeHintChanged.emit(self)
def focusInEvent(self, event):
super().focusInEvent(event)
self.line_edit.setFocus()