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# coding: utf-8
# /*##########################################################################
#
# Copyright (C) 2016-2018 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.
#
# ###########################################################################*/
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
__license__ = "MIT"
__date__ = "07/12/2018"
from silx.gui import qt
class ElidedLabel(qt.QLabel):
"""QLabel with an edile property.
If the value is elided, the full content is displayed as tool tip.
"""
def __init__(self, parent):
super(ElidedLabel, self).__init__(parent)
self.__text = ""
self.__toolTip = ""
self.__valueAsToolTip = 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 = qt.QFontMetrics(self.font())
width = metrics.width("...")
self.setMinimumWidth(width)
def __updateText(self):
metrics = qt.QFontMetrics(self.font())
elidedText = metrics.elidedText(self.__text, self.__elideMode, self.width())
qt.QLabel.setText(self, elidedText)
self.__setTextIsElided(elidedText != self.__text)
def __updateToolTip(self):
if self.__textIsElided and self.__valueAsToolTip:
qt.QLabel.setToolTip(self, self.__text + "<br/>" + self.__toolTip)
else:
qt.QLabel.setToolTip(self, self.__toolTip)
def __setTextIsElided(self, enable):
if self.__textIsElided == enable:
return
self.__textIsElided = enable
self.__updateToolTip()
# 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):
self.__elideMode = elideMode
self.__updateText()
def getElideMode(self):
return self.__elideMode
elideMode = qt.Property(qt.Qt.TextElideMode, getToolTip, setToolTip)
def setValueAsToolTip(self, enabled):
if self.__valueAsToolTip == enabled:
return
self.__valueAsToolTip = enabled
self.__updateToolTip()
def getValueAsToolTip(self):
return self.__valueAsToolTip
valueAsToolTip = qt.Property(bool, getValueAsToolTip, setValueAsToolTip)
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