# -*- coding: utf-8 -*-

# Copyright (c) 2019 Detlev Offenbach <detlev@die-offenbachs.de>
#

"""
Module implementing a dialog to show progress messages.
"""


from PyQt5.QtCore import pyqtSlot
from PyQt5.QtGui import QTextCursor
from PyQt5.QtWidgets import QDialog

from .Ui_MicroPythonProgressInfoDialog import Ui_MicroPythonProgressInfoDialog


class MicroPythonProgressInfoDialog(QDialog, Ui_MicroPythonProgressInfoDialog):
    """
    Class implementing a dialog to show progress messages.
    """
    def __init__(self, parent=None):
        """
        Constructor
        
        @param parent reference to the parent widget
        @type QWidget
        """
        super(MicroPythonProgressInfoDialog, self).__init__(parent)
        self.setupUi(self)
    
    @pyqtSlot(str)
    def addMessage(self, message):
        """
        Public slot to add a message to the progress display.
        
        @param message progress information to be shown
        @type str
        """
        tc = self.progressEdit.textCursor()
        tc.movePosition(QTextCursor.End)
        self.progressEdit.setTextCursor(tc)
        self.progressEdit.appendHtml(message)
        self.progressEdit.ensureCursorVisible()
