Added DragCallback class to help dialog dragging support.
Introduced a new Widget::computeExtentsPositionInLocalCoordinates() method that intersects with a ray through mouse pointer and the extents of the widget.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14429 16af8721-9629-0410-8352-f15c8da7e697
Removed debugging message


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14430 16af8721-9629-0410-8352-f15c8da7e697
Added support for scaling widgets via the scoll wheel.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14431 16af8721-9629-0410-8352-f15c8da7e697
Improved handling of ComboBox popup toggling


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14432 16af8721-9629-0410-8352-f15c8da7e697
Refactored the handling of ComboBox item picking to make it faster and more reliable


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14433 16af8721-9629-0410-8352-f15c8da7e697
Added close button on Dialog title bar


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14435 16af8721-9629-0410-8352-f15c8da7e697
Added setting of the IsoSurfaceProperty in VolumeSettings


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14436 16af8721-9629-0410-8352-f15c8da7e697
Introduced support for specifying whether a serializer supports different types of usage - one or more of READ_WRITE_PROPERTY, GET_PROPERTY and SET_PROPERTY.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14437 16af8721-9629-0410-8352-f15c8da7e697
Added shell of new osgUI::TabWidget class


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14438 16af8721-9629-0410-8352-f15c8da7e697
Build fix


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14439 16af8721-9629-0410-8352-f15c8da7e697
Introduced Widget::WidgetStateSet to help localize the StateSet set up by Widget implementations from being serialized or
affecting what end users apply via the standard Node::s/getStateSet().

Further work on TabWidget.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14440 16af8721-9629-0410-8352-f15c8da7e697
Moved the diaglog title bar widgets into the Widget::GraphicsSubgraph map to avoid them poluting the Dialog's children list and to prevent them from being serialized.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14441 16af8721-9629-0410-8352-f15c8da7e697
Improved the handling of the dialog title text


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14442 16af8721-9629-0410-8352-f15c8da7e697
Implemented the selection of tabs by clicking, using mouse wheel or arrow keys.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14443 16af8721-9629-0410-8352-f15c8da7e697
Improved the alignment and sizing of TabWidget tab headers


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14445 16af8721-9629-0410-8352-f15c8da7e697
Added basic frame rendering for TabWidget


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14446 16af8721-9629-0410-8352-f15c8da7e697
Added .tf & .tf-255 plugin for reading ascii 1D transfer functon files in support for volume rendering.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14448 16af8721-9629-0410-8352-f15c8da7e697
Added write support


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14449 16af8721-9629-0410-8352-f15c8da7e697
Changed osgvolume example to use the new tf plugin rather than having local code for reading transfer function


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14450 16af8721-9629-0410-8352-f15c8da7e697
Added support for writing the file path of a script to the lua package.path to help with loading scripts within lua.


git-svn-id: http://svn.openscenegraph.org/osg/OpenSceneGraph/trunk@14451 16af8721-9629-0410-8352-f15c8da7e697