本文整理汇总了Python中python_qt_binding.QtGui.QHBoxLayout.takeAt方法的典型用法代码示例。如果您正苦于以下问题：Python QHBoxLayout.takeAt方法的具体用法？Python QHBoxLayout.takeAt怎么用？Python QHBoxLayout.takeAt使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类python_qt_binding.QtGui.QHBoxLayout的用法示例。
在下文中一共展示了QHBoxLayout.takeAt方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: QuestionDialogPlugin
# 需要导入模块: from python_qt_binding.QtGui import QHBoxLayout [as 别名]
# 或者: from python_qt_binding.QtGui.QHBoxLayout import takeAt [as 别名]
class QuestionDialogPlugin(Plugin):
def __init__(self, context):
super(QuestionDialogPlugin, self).__init__(context)
# Give QObjects reasonable names
self.setObjectName('QuestionDialogPlugin')
# Create QWidget
self._widget = QWidget()
self._widget.setFont(QFont("Times", 14, QFont.Bold))
self._layout = QVBoxLayout(self._widget)
self._text_browser = QTextBrowser(self._widget)
self._layout.addWidget(self._text_browser)
self._button_layout = QHBoxLayout()
self._layout.addLayout(self._button_layout)
# layout = QVBoxLayout(self._widget)
# layout.addWidget(self.button)
self._widget.setObjectName('QuestionDialogPluginUI')
if context.serial_number() > 1:
self._widget.setWindowTitle(self._widget.windowTitle() +
(' (%d)' % context.serial_number()))
context.add_widget(self._widget)
# Setup service provider
self.service = rospy.Service('question_dialog', QuestionDialog,
self.service_callback)
self.response_ready = False
self.response = None
self.buttons = []
self.text_label = None
self.text_input = None
self.connect(self._widget, SIGNAL("update"), self.update)
self.connect(self._widget, SIGNAL("timeout"), self.timeout)
def shutdown_plugin(self):
self.service.shutdown()
def service_callback(self, req):
self.response_ready = False
self.request = req
self._widget.emit(SIGNAL("update"))
# Start timer against wall clock here instead of the ros clock.
start_time = time.time()
while not self.response_ready:
if req.timeout != QuestionDialogRequest.NO_TIMEOUT:
current_time = time.time()
if current_time - start_time > req.timeout:
self._widget.emit(SIGNAL("timeout"))
return QuestionDialogResponse(
QuestionDialogRequest.TIMED_OUT, "")
time.sleep(0.2)
return self.response
def update(self):
self.clean()
req = self.request
self._text_browser.setText(req.message)
if req.type == QuestionDialogRequest.DISPLAY:
# All done, nothing more too see here.
self.response = QuestionDialogResponse(
QuestionDialogRequest.NO_RESPONSE, "")
self.response_ready = True
elif req.type == QuestionDialogRequest.CHOICE_QUESTION:
for index, options in enumerate(req.options):
button = QPushButton(options, self._widget)
button.clicked.connect(partial(self.handle_button, index))
self._button_layout.addWidget(button)
self.buttons.append(button)
elif req.type == QuestionDialogRequest.TEXT_QUESTION:
self.text_label = QLabel("Enter here: ", self._widget)
self._button_layout.addWidget(self.text_label)
self.text_input = QLineEdit(self._widget)
self.text_input.editingFinished.connect(self.handle_text)
self._button_layout.addWidget(self.text_input)
def timeout(self):
self._text_browser.setText("Oh no! The request timed out.")
self.clean()
def clean(self):
while self._button_layout.count():
item = self._button_layout.takeAt(0)
item.widget().deleteLater()
self.buttons = []
self.text_input = None
self.text_label = None
def handle_button(self, index):
self.response = QuestionDialogResponse(index, "")
self.clean()
self.response_ready = True
def handle_text(self):
self.response = QuestionDialogResponse(
QuestionDialogRequest.TEXT_RESPONSE,
self.text_input.text())
self.clean()
self.response_ready = True
#.........这里部分代码省略.........