48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
from typing import Union
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from PyQt5.QtCore import Qt
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from PyQt5.QtGui import QFontMetrics, QResizeEvent
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from PyQt5.QtWidgets import QLabel, QWIDGETSIZE_MAX
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class ElideLabel(QLabel):
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def __init__(self, text="", parent=None):
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super(ElideLabel, self).__init__(parent=parent)
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self.__text = text
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self.__fm = QFontMetrics(self.font())
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self.__tooltip = ""
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self.setFixedHeight(True)
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self.setWordWrap(True)
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self.setText(text)
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def setText(self, a0: str) -> None:
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self.__text = a0
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self.__setElideText(a0)
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def __setElideText(self, a0: str):
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elided_text = self.__fm.elidedText(
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a0, Qt.ElideRight,
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self.width() - (self.contentsMargins().left() + self.contentsMargins().right())
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)
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if not self.__tooltip:
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if self.__fm.boundingRect(elided_text).width() < self.__fm.boundingRect(self.__text).width():
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super(ElideLabel, self).setToolTip(self.__text)
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else:
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super(ElideLabel, self).setToolTip("")
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super(ElideLabel, self).setText(elided_text)
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def setToolTip(self, a0: str) -> None:
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self.__tooltip = a0
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super(ElideLabel, self).setToolTip(a0)
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def resizeEvent(self, a0: QResizeEvent) -> None:
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self.__setElideText(self.__text)
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super(ElideLabel, self).resizeEvent(a0)
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def setFixedHeight(self, h: Union[int, bool]) -> None:
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if isinstance(h, bool):
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super(ElideLabel, self).setFixedHeight(self.__fm.height() if h else QWIDGETSIZE_MAX)
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elif isinstance(h, int):
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super(ElideLabel, self).setFixedHeight(h)
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