See source code of gid_themes package inside the scripts folder.

gid_themes::GetThemes
Return the list of available themes

Example:

gid_themes::GetThemes

-> GiD_black GiD_classic GiD_classic_renewed

GiD_Set Theme(Current)|Theme(Size)|Theme(MenuType)|Theme(HighResolutionScaleFactor)
Some theme options can be accesed to get/set as GiD variables, with the GiD_Set command

Theme(Current) ?<theme_name>?

To get or set the current theme in use (to set a theme it is necessary a GiD restart)

Example:

GiD_Set Theme(Current)

-> GiD_classic

Theme(Size)

Integer index that represent the incons collection size (small, medium, large,...)

Theme(MenuType)

could be:native,generic
native:

On Mac OS X: use traditional Apple's menu bar intead of embed the menu bar inside the GiD main window
On Windows: use native menus
On Linux: is the same as generic

generic: Use Tk buttons for the menus

Theme(HighResolutionScaleFactor)

Double value to scale the icons (1.0 by default), to avoid problems with some screen resolutions.

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