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-rw-r--r--silx/gui/widgets/ElidedLabel.py137
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diff --git a/silx/gui/widgets/ElidedLabel.py b/silx/gui/widgets/ElidedLabel.py
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-# coding: utf-8
-# /*##########################################################################
-#
-# Copyright (c) 2004-2020 European Synchrotron Radiation Facility
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-# ###########################################################################*/
-"""Module contains an elidable label
-"""
-
-__license__ = "MIT"
-__date__ = "07/12/2018"
-
-from silx.gui import qt
-
-
-class ElidedLabel(qt.QLabel):
- """QLabel with an edile property.
-
- By default if the text is too big, it is elided on the right.
-
- This mode can be changed with :func:`setElideMode`.
-
- In case the text is elided, the full content is displayed as part of the
- tool tip. This behavior can be disabled with :func:`setTextAsToolTip`.
- """
-
- def __init__(self, parent=None):
- super(ElidedLabel, self).__init__(parent)
- self.__text = ""
- self.__toolTip = ""
- self.__textAsToolTip = True
- self.__textIsElided = False
- self.__elideMode = qt.Qt.ElideRight
- self.__updateMinimumSize()
-
- def resizeEvent(self, event):
- self.__updateText()
- return qt.QLabel.resizeEvent(self, event)
-
- def setFont(self, font):
- qt.QLabel.setFont(self, font)
- self.__updateMinimumSize()
- self.__updateText()
-
- def __updateMinimumSize(self):
- metrics = self.fontMetrics()
- width = metrics.width("...")
- self.setMinimumWidth(width)
-
- def __updateText(self):
- metrics = self.fontMetrics()
- elidedText = metrics.elidedText(self.__text, self.__elideMode, self.width())
- qt.QLabel.setText(self, elidedText)
- wasElided = self.__textIsElided
- self.__textIsElided = elidedText != self.__text
- if self.__textIsElided or wasElided != self.__textIsElided:
- self.__updateToolTip()
-
- def __updateToolTip(self):
- if self.__textIsElided and self.__textAsToolTip:
- qt.QLabel.setToolTip(self, self.__text + "<br/>" + self.__toolTip)
- else:
- qt.QLabel.setToolTip(self, self.__toolTip)
-
- # Properties
-
- def setText(self, text):
- self.__text = text
- self.__updateText()
-
- def getText(self):
- return self.__text
-
- text = qt.Property(str, getText, setText)
-
- def setToolTip(self, toolTip):
- self.__toolTip = toolTip
- self.__updateToolTip()
-
- def getToolTip(self):
- return self.__toolTip
-
- toolTip = qt.Property(str, getToolTip, setToolTip)
-
- def setElideMode(self, elideMode):
- """Set the elide mode.
-
- :param qt.Qt.TextElideMode elidMode: Elide mode to use
- """
- self.__elideMode = elideMode
- self.__updateText()
-
- def getElideMode(self):
- """Returns the used elide mode.
-
- :rtype: qt.Qt.TextElideMode
- """
- return self.__elideMode
-
- elideMode = qt.Property(qt.Qt.TextElideMode, getToolTip, setToolTip)
-
- def setTextAsToolTip(self, enabled):
- """Enable displaying text as part of the tooltip if it is elided.
-
- :param bool enabled: Enable the behavior
- """
- if self.__textAsToolTip == enabled:
- return
- self.__textAsToolTip = enabled
- self.__updateToolTip()
-
- def getTextAsToolTip(self):
- """True if an elided text is displayed as part of the tooltip.
-
- :rtype: bool
- """
- return self.__textAsToolTip
-
- textAsToolTip = qt.Property(bool, getTextAsToolTip, setTextAsToolTip)