39 lines
1.4 KiB
Python
39 lines
1.4 KiB
Python
"""The MessageCompose class definition"""
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from qtpy import QtCore, QtWidgets
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from tr import _translate
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class MessageCompose(QtWidgets.QTextEdit):
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"""Editor class with wheel zoom functionality"""
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def __init__(self, parent=None):
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super(MessageCompose, self).__init__(parent)
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# we'll deal with this later when we have a new message format
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self.setAcceptRichText(False)
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self.defaultFontPointSize = self.currentFont().pointSize()
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def wheelEvent(self, event):
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"""Mouse wheel scroll event handler"""
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if (
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(QtWidgets.QApplication.queryKeyboardModifiers()
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& QtCore.Qt.ControlModifier) == QtCore.Qt.ControlModifier
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and event.angleDelta().y() != 0
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):
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if event.delta() > 0:
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self.zoomIn(1)
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else:
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self.zoomOut(1)
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QtWidgets.QApplication.activeWindow().statusbar.showMessage(
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_translate("MainWindow", "Zoom level {0}%").format(
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# zoom percentage
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self.currentFont().pointSize() * 100
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/ self.defaultFontPointSize
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))
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else:
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# in QTextEdit, super does not zoom, only scroll
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super(MessageCompose, self).wheelEvent(event)
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def reset(self):
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"""Clear the edit content"""
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self.setText('')
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