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#/*##########################################################################
# Copyright (C) 2004-2018 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.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU Lesser General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This file is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#
#############################################################################*/
__author__ = "V.A. Sole - ESRF Data Analysis"
__contact__ = "sole@esrf.fr"
__license__ = "LGPL2+"
__copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
from . import Object3DQt as qt
QTVERSION = qt.qVersion()
DEBUG = 0
class Object3DSlider(qt.QWidget):
valueChanged = 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)
self.__factor = 100.
def setNum(self, value):
if self.__factor != 0.0:
value = value / self.__factor
self.label.setText('%.2f' % value)
self.valueChanged.emit(value)
def setRange(self, minValue, maxValue, increment=None):
if increment is None:
self.__factor = 201.
elif increment == 0.0:
self.__factor = 1.0
else:
self.__factor = (maxValue - minValue) / float(increment)
self.slider.setRange(int(minValue * self.__factor),
int(maxValue * self.__factor))
def setValue(self, value):
self.slider.setValue(value * self.__factor)
def value(self):
if self.__factor != 0.0:
return self.slider.value()/self.__factor
else:
return float(self.slider.value())
def minValue(self):
if self.__factor != 0.0:
return self.slider.minimum() / self.__factor
else:
return float(self.slider.minimum())
def maxValue(self):
if self.__factor != 0.0:
return self.slider.maximum() / self.__factor
else:
return float(self.slider.maximum())
def step(self):
if self.__factor != 0.0:
return self.slider.singleStep() / self.__factor
else:
return float(self.slider.singleStep())
def singleStep(self):
return self.step()
def test():
app = qt.QApplication([])
app.lastWindowClosed.connect(app.quit)
w = Object3DSlider()
w.show()
app.exec_()
if __name__ == "__main__":
test()
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