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# coding: utf-8
# /*##########################################################################
#
# Copyright (c) 2017 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.
#
# ###########################################################################*/
from silx.gui import qt
from silx.gui.widgets.FloatEdit import FloatEdit
class PrintGeometryWidget(qt.QWidget):
"""Widget to specify the size and aspect ratio of an item
before sending it to the print preview dialog.
Use methods :meth:`setPrintGeometry` and :meth:`getPrintGeometry`
to interact with the widget.
"""
def __init__(self, parent=None):
super(PrintGeometryWidget, self).__init__(parent)
self.mainLayout = qt.QGridLayout(self)
self.mainLayout.setContentsMargins(0, 0, 0, 0)
self.mainLayout.setSpacing(2)
hbox = qt.QWidget(self)
hboxLayout = qt.QHBoxLayout(hbox)
hboxLayout.setContentsMargins(0, 0, 0, 0)
hboxLayout.setSpacing(2)
label = qt.QLabel(self)
label.setText("Units")
label.setAlignment(qt.Qt.AlignCenter)
self._pageButton = qt.QRadioButton()
self._pageButton.setText("Page")
self._inchButton = qt.QRadioButton()
self._inchButton.setText("Inches")
self._cmButton = qt.QRadioButton()
self._cmButton.setText("Centimeters")
self._buttonGroup = qt.QButtonGroup(self)
self._buttonGroup.addButton(self._pageButton)
self._buttonGroup.addButton(self._inchButton)
self._buttonGroup.addButton(self._cmButton)
self._buttonGroup.setExclusive(True)
# units
self.mainLayout.addWidget(label, 0, 0, 1, 4)
hboxLayout.addWidget(self._pageButton)
hboxLayout.addWidget(self._inchButton)
hboxLayout.addWidget(self._cmButton)
self.mainLayout.addWidget(hbox, 1, 0, 1, 4)
self._pageButton.setChecked(True)
# xOffset
label = qt.QLabel(self)
label.setText("X Offset:")
self.mainLayout.addWidget(label, 2, 0)
self._xOffset = FloatEdit(self, 0.1)
self.mainLayout.addWidget(self._xOffset, 2, 1)
# yOffset
label = qt.QLabel(self)
label.setText("Y Offset:")
self.mainLayout.addWidget(label, 2, 2)
self._yOffset = FloatEdit(self, 0.1)
self.mainLayout.addWidget(self._yOffset, 2, 3)
# width
label = qt.QLabel(self)
label.setText("Width:")
self.mainLayout.addWidget(label, 3, 0)
self._width = FloatEdit(self, 0.9)
self.mainLayout.addWidget(self._width, 3, 1)
# height
label = qt.QLabel(self)
label.setText("Height:")
self.mainLayout.addWidget(label, 3, 2)
self._height = FloatEdit(self, 0.9)
self.mainLayout.addWidget(self._height, 3, 3)
# aspect ratio
self._aspect = qt.QCheckBox(self)
self._aspect.setText("Keep screen aspect ratio")
self._aspect.setChecked(True)
self.mainLayout.addWidget(self._aspect, 4, 1, 1, 2)
def getPrintGeometry(self):
"""Return the print geometry dictionary.
See :meth:`setPrintGeometry` for documentation about the
print geometry dictionary."""
ddict = {}
if self._inchButton.isChecked():
ddict['units'] = "inches"
elif self._cmButton.isChecked():
ddict['units'] = "centimeters"
else:
ddict['units'] = "page"
ddict['xOffset'] = self._xOffset.value()
ddict['yOffset'] = self._yOffset.value()
ddict['width'] = self._width.value()
ddict['height'] = self._height.value()
if self._aspect.isChecked():
ddict['keepAspectRatio'] = True
else:
ddict['keepAspectRatio'] = False
return ddict
def setPrintGeometry(self, geometry=None):
"""Set the print geometry.
The geometry parameters must be provided as a dictionary with
the following keys:
- *"xOffset"* (float)
- *"yOffset"* (float)
- *"width"* (float)
- *"height"* (float)
- *"units"*: possible values *"page", "inch", "cm"*
- *"keepAspectRatio"*: *True* or *False*
If *units* is *"page"*, the values should be floats in [0, 1.]
and are interpreted as a fraction of the page width or height.
:param dict geometry: Geometry parameters, as a dictionary."""
if geometry is None:
geometry = {}
oldDict = self.getPrintGeometry()
for key in ["units", "xOffset", "yOffset",
"width", "height", "keepAspectRatio"]:
geometry[key] = geometry.get(key, oldDict[key])
if geometry['units'].lower().startswith("inc"):
self._inchButton.setChecked(True)
elif geometry['units'].lower().startswith("c"):
self._cmButton.setChecked(True)
else:
self._pageButton.setChecked(True)
self._xOffset.setText("%s" % float(geometry['xOffset']))
self._yOffset.setText("%s" % float(geometry['yOffset']))
self._width.setText("%s" % float(geometry['width']))
self._height.setText("%s" % float(geometry['height']))
if geometry['keepAspectRatio']:
self._aspect.setChecked(True)
else:
self._aspect.setChecked(False)
class PrintGeometryDialog(qt.QDialog):
"""Dialog embedding a :class:`PrintGeometryWidget`.
Use methods :meth:`setPrintGeometry` and :meth:`getPrintGeometry`
to interact with the widget.
Execute method :meth:`exec_` to run the dialog.
The return value of that method is *True* if the geometry was set
(*Ok* button clicked) or *False* if the user clicked the *Cancel*
button.
"""
def __init__(self, parent=None):
qt.QDialog.__init__(self, parent)
self.setWindowTitle("Set print size preferences")
layout = qt.QVBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
layout.setSpacing(0)
self.configurationWidget = PrintGeometryWidget(self)
hbox = qt.QWidget(self)
hboxLayout = qt.QHBoxLayout(hbox)
self.okButton = qt.QPushButton(hbox)
self.okButton.setText("Accept")
self.okButton.setAutoDefault(False)
self.rejectButton = qt.QPushButton(hbox)
self.rejectButton.setText("Dismiss")
self.rejectButton.setAutoDefault(False)
self.okButton.clicked.connect(self.accept)
self.rejectButton.clicked.connect(self.reject)
hboxLayout.setContentsMargins(0, 0, 0, 0)
hboxLayout.setSpacing(2)
# hboxLayout.addWidget(qt.HorizontalSpacer(hbox))
hboxLayout.addWidget(self.okButton)
hboxLayout.addWidget(self.rejectButton)
# hboxLayout.addWidget(qt.HorizontalSpacer(hbox))
layout.addWidget(self.configurationWidget)
layout.addWidget(hbox)
def setPrintGeometry(self, geometry):
"""Return the print geometry dictionary.
See :meth:`PrintGeometryWidget.setPrintGeometry` for documentation on
print geometry dictionary.
:param dict geometry: Print geometry parameters dictionary.
"""
self.configurationWidget.setPrintGeometry(geometry)
def getPrintGeometry(self):
"""Return the print geometry dictionary.
See :meth:`PrintGeometryWidget.setPrintGeometry` for documentation on
print geometry dictionary."""
return self.configurationWidget.getPrintGeometry()
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