"""The MessageCompose class definition"""

from qtpy import QtCore, QtWidgets
from tr import _translate


class MessageCompose(QtWidgets.QTextEdit):
    """Editor class with wheel zoom functionality"""
    def __init__(self, parent=None):
        super(MessageCompose, self).__init__(parent)
        # we'll deal with this later when we have a new message format
        self.setAcceptRichText(False)
        self.defaultFontPointSize = self.currentFont().pointSize()

    def wheelEvent(self, event):
        """Mouse wheel scroll event handler"""
        if (
            (QtWidgets.QApplication.queryKeyboardModifiers()
             & QtCore.Qt.ControlModifier) == QtCore.Qt.ControlModifier
            and event.angleDelta().y() != 0
        ):
            if event.delta() > 0:
                self.zoomIn(1)
            else:
                self.zoomOut(1)
            QtWidgets.QApplication.activeWindow().statusbar.showMessage(
                _translate("MainWindow", "Zoom level {0}%").format(
                    # zoom percentage
                    self.currentFont().pointSize() * 100
                    / self.defaultFontPointSize
                ))
        else:
            # in QTextEdit, super does not zoom, only scroll
            super(MessageCompose, self).wheelEvent(event)

    def reset(self):
        """Clear the edit content"""
        self.setText('')