Inits the toolbar icons by setting the icon for each action.
All toolbar/menu items must be a QAction in order for this
to work.
When new toolbar/menu QAction objects are added to the interface,
add an entry below to set the icon
PNG names must match those defined for the default theme. The
default theme is installed in <prefix>/share/qgis/themes/default.
TODO:Next step is to allow user specified icon sets by loading the
images from a theme directory other than "default". This will require
adding information to preferences to allow selecting the theme.
New core themes can be added by creating a subdirectory under src/themes
and modifying the appropriate Makefile.am files. User contributed themes
will be installed directly into <prefix>/share/qgis/themes/<themedir>.
TODO: Create a theme preferences dialog that parses the themes directory
and builds a list of themes (ie subdirectories) for the user to
choose from.
git-svn-id: http://svn.osgeo.org/qgis/trunk@1478 c8812cc2-4d05-0410-92ff-de0c093fc19c
