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Diffstat (limited to 'silx/gui/widgets/BoxLayoutDockWidget.py')
-rw-r--r-- | silx/gui/widgets/BoxLayoutDockWidget.py | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/silx/gui/widgets/BoxLayoutDockWidget.py b/silx/gui/widgets/BoxLayoutDockWidget.py new file mode 100644 index 0000000..3d2b853 --- /dev/null +++ b/silx/gui/widgets/BoxLayoutDockWidget.py @@ -0,0 +1,90 @@ +# coding: utf-8 +# /*########################################################################## +# +# Copyright (c) 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. +# +# ###########################################################################*/ +"""A QDockWidget that update the layout direction of its widget +""" + +__authors__ = ["T. Vincent"] +__license__ = "MIT" +__date__ = "06/03/2018" + + +from .. import qt + + +class BoxLayoutDockWidget(qt.QDockWidget): + """QDockWidget adjusting its child widget QBoxLayout direction. + + The child widget layout direction is set according to dock widget area. + The child widget MUST use a QBoxLayout + + :param parent: See :class:`QDockWidget` + :param flags: See :class:`QDockWidget` + """ + + def __init__(self, parent=None, flags=qt.Qt.Widget): + super(BoxLayoutDockWidget, self).__init__(parent, flags) + self._currentArea = qt.Qt.NoDockWidgetArea + self.dockLocationChanged.connect(self._dockLocationChanged) + self.topLevelChanged.connect(self._topLevelChanged) + + def setWidget(self, widget): + """Set the widget of this QDockWidget + + See :meth:`QDockWidget.setWidget` + """ + super(BoxLayoutDockWidget, self).setWidget(widget) + # Update widget's layout direction + self._dockLocationChanged(self._currentArea) + + def _dockLocationChanged(self, area): + self._currentArea = area + + widget = self.widget() + if widget is not None: + layout = widget.layout() + if isinstance(layout, qt.QBoxLayout): + if area in (qt.Qt.LeftDockWidgetArea, qt.Qt.RightDockWidgetArea): + direction = qt.QBoxLayout.TopToBottom + else: + direction = qt.QBoxLayout.LeftToRight + layout.setDirection(direction) + self.resize(widget.minimumSize()) + self.adjustSize() + + def _topLevelChanged(self, topLevel): + widget = self.widget() + if widget is not None and topLevel: + layout = widget.layout() + if isinstance(layout, qt.QBoxLayout): + layout.setDirection(qt.QBoxLayout.LeftToRight) + self.resize(widget.minimumSize()) + self.adjustSize() + + def showEvent(self, event): + """Make sure this dock widget is raised when it is shown. + + This is useful for tabbed dock widgets. + """ + self.raise_() |