#/*##########################################################################
# Copyright (C) 2004-2014 V.A. Sole, European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# 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.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "MIT"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
from PyMca5.PyMcaGui import PyMcaQt as qt
QTVERSION = qt.qVersion()
DEBUG = 0
[docs]class DoubleSlider(qt.QWidget):
sigDoubleSliderValueChanged = qt.pyqtSignal(object)
def __init__(self, parent = None, scale = False):
qt.QWidget.__init__(self, parent)
self.mainLayout = qt.QVBoxLayout(self)
self.mainLayout.setContentsMargins(6, 6, 6, 6)
self.mainLayout.setSpacing(1)
orientation = qt.Qt.Horizontal
self.minSlider = MySlider(self, orientation)
self.minSlider.setRange(0, 100.)
self.minSlider.setValue(0)
self.maxSlider = MySlider(self, orientation)
self.maxSlider.setRange(0, 100.0)
self.maxSlider.setValue(100.)
self.mainLayout.addWidget(self.maxSlider)
self.mainLayout.addWidget(self.minSlider)
self.minSlider.sigValueChanged.connect(self._sliderChanged)
self.maxSlider.sigValueChanged.connect(self._sliderChanged)
def __getDict(self):
ddict = {}
ddict['event'] = "doubleSliderValueChanged"
m = self.minSlider.value()
M = self.maxSlider.value()
if m > M:
ddict['max'] = m
ddict['min'] = M
else:
ddict['min'] = m
ddict['max'] = M
return ddict
def _sliderChanged(self, value):
if DEBUG:
print("DoubleSlider._sliderChanged()")
ddict = self.__getDict()
self.sigDoubleSliderValueChanged.emit(ddict)
[docs] def setMinMax(self, m, M):
self.minSlider.setValue(m)
self.maxSlider.setValue(M)
[docs] def getMinMax(self):
m = self.minSlider.value()
M = self.maxSlider.value()
if m > M:
return M, m
else:
return m, M
[docs]class MySlider(qt.QWidget):
sigValueChanged = qt.pyqtSignal(float)
def __init__(self, parent = None, orientation=qt.Qt.Horizontal):
qt.QWidget.__init__(self, parent)
if orientation == qt.Qt.Horizontal:
alignment = qt.Qt.AlignHCenter | qt.Qt.AlignTop
layout = qt.QHBoxLayout(self)
else:
alignment = qt.Qt.AlignVCenter | qt.Qt.AlignLeft
layout = qt.QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
self.slider = qt.QSlider(self)
self.slider.setOrientation(orientation)
self.label = qt.QLabel("0", self)
self.label.setAlignment(alignment)
self.label.setFixedWidth(self.label.fontMetrics().width('100.99'))
layout.addWidget(self.slider)
layout.addWidget(self.label)
self.slider.valueChanged.connect(self.setNum)
[docs] def setNum(self, value):
value = value / 100.
self.label.setText('%.2f' % value)
self.sigValueChanged.emit(value)
[docs] def setRange(self, minValue, maxValue):
self.slider.setRange(minValue * 100, int(maxValue * 100))
[docs] def setValue(self, value):
self.slider.setValue(value * 100)
[docs] def value(self):
return self.slider.value()/100.
[docs]def test():
app = qt.QApplication([])
app.lastWindowClosed.connect(app.quit)
w = DoubleSlider()
w.show()
app.exec_()
if __name__ == "__main__":
test()