def initGui(self):
self.toolbar = self.iface.addToolBar("Preview Mode Toolbar")
modes = [{
'name': 'Normal',
'effect': -1
}, {
'name': 'Grayscale',
'effect': QgsPreviewEffect.PreviewGrayscale
}, {
'name': 'Mono',
'effect': QgsPreviewEffect.PreviewMono
}, {
'name': 'Protanope',
'effect': QgsPreviewEffect.PreviewProtanope
}, {
'name': 'Deuteranope',
'effect': QgsPreviewEffect.PreviewDeuteranope
}]
for mode in modes:
icon = QIcon(
os.path.join(self.plugin_dir,
'icon_{}.svg'.format(mode['name'].lower())))
action = QAction(icon, mode['name'], self.iface.mainWindow())
action.preview_effect = mode['effect']
action.triggered.connect(partial(self.setPreviewMode, action))
self.toolbar.addAction(action)
self.actions.append(action)
