console_settings_dialog.py

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import os
 
from python_qt_binding import loadUi
from python_qt_binding.QtWidgets import QDialog
 
from rqt_logger_level.logger_level_widget import LoggerLevelWidget
from rqt_logger_level.logger_level_service_caller import LoggerLevelServiceCaller
 
 
class ConsoleSettingsDialog(QDialog):
 
    """
    Dialog to change the subscribed topic and alter the message buffer size.
    """
 
    def __init__(self, topics, rospack):
        """
        :param topics: list of topics to allow switching, ''list of string''
        :param limit: displayed in the message buffer size spin box, ''int''
        """
        super(ConsoleSettingsDialog, self).__init__()
        ui_file = os.path.join(
            rospack.get_path('rqt_console'), 'resource', 'console_settings_dialog.ui')
        loadUi(ui_file, self)
        for topic in topics:
            self.topic_combo.addItem(topic[0] + ' (' + topic[1] + ')', topic[0])
 
        self._service_caller = LoggerLevelServiceCaller()
        self._logger_widget = LoggerLevelWidget(self._service_caller)
        self.levelsLayout.addWidget(self._logger_widget)
        self.adjustSize()
 
    def query(self, topic, buffer_size):
        index = self.topic_combo.findData(topic)
        if index != -1:
            self.topic_combo.setCurrentIndex(index)
        self.buffer_size_spin.setValue(buffer_size)
        ok = self.exec_()
        if ok == 1:
            index = self.topic_combo.currentIndex()
            if index != -1:
                topic = self.topic_combo.itemData(index)
            buffer_size = self.buffer_size_spin.value()
        return topic, buffer_size