def registerCmap(self):
""" Add matplotlib cmaps to the GradientEditors context menu"""
self.gradientEditorItem.menu.addSeparator()
savedLength = self.gradientEditorItem.length
self.gradientEditorItem.length = 100
for name in self.mplColorMaps:
px = QPixmap(100, 15)
p = QPainter(px)
self.gradientEditorItem.restoreState(self.mplColorMaps[name])
grad = self.gradientEditorItem.getGradient()
brush = QBrush(grad)
p.fillRect(QtCore.QRect(0, 0, 100, 15), brush)
p.end()
label = QLabel()
label.setPixmap(px)
label.setContentsMargins(1, 1, 1, 1)
act = QWidgetAction(self.gradientEditorItem)
act.setDefaultWidget(label)
act.triggered.connect(self.cmapClicked)
act.name = name
self.gradientEditorItem.menu.addAction(act)
self.gradientEditorItem.length = savedLength
