I have been helping someone working on a large icon theme for use on high-resolution displays.

I have found that there is a maximum size for the gimp-default-colors and gimp-swap-colors icons as used in the toolbox, which is smaller than the icons I would like to use in the menus.

Due to the fixed size requested for the color editor in toolbox_create_color_area in app\widgets\gimptoolbox.c :

  col_area = gimp_toolbox_color_area_create (toolbox, 54, 42);

and the limit set in gimp_fg_bg_editor_expose in app\widgets\gimpfgbgeditor.c :

  if (default_w < width / 2 && default_h < height / 2)

the outcome is that an icon greater than 20 pixels in height is not displayed.


So there are a couple of questions here:

1.  Is it sensible to have a fixed size for the color area on the tool box? and if not, what is an appropriate method to determine a suitable size given the requirement of supporting radically different monitor resolutions?

2. Should the icon sizes used on the front panel be set to GTK_ICON_SIZE_MENU as this is not a menu? Would GTK_ICON_SIZE_SMALL_TOOLBAR not be more suitable? and therefore more controllable separately from icons actually used on menus.