Here is a list of all files with brief descriptions:

action-search-bar.hh
blender-geom-writer.h
bodytreewidget.hh
color-map.hh
config-osg.h
configuration.hh
dialogloadenvironment.hh
dialogloadrobot.hh
fwd.h
fwd.hh
group-node.h
keyboard-manipulator.h
leaf-node-arrow.h
leaf-node-box.h
leaf-node-capsule.h
leaf-node-collada.h
leaf-node-cone.h
leaf-node-cylinder.h
leaf-node-face.h
leaf-node-ground.h
leaf-node-light.h
leaf-node-line.h
leaf-node-mesh.h
leaf-node-sphere.h
leaf-node-xyzaxis.h
ledindicator.hh
macros.h
mainwindow.hh
node-action.hh
node-drawable.h
node-property.h
node-rod.h
node-visitor.h
node.h
osgwidget.hh
package.hh
pick-handler.hh
plugin-interface.hh
pluginmanagerdialog.hh
pythonwidget.hh
qt-osg-keyboard.hh
roadmap-viewer.h
safeapplication.hh
selection-event.hh
selection-handler.hh
settings.hh
shortcut-factory.hh
transform-writer.h
tree-item.hh
urdf-parser.h
window-manager.h
windows-manager.h
windows-manager.hh