I also use a dark theme, and I don't have the problem shown in your screen-shot.
Is it possible your theme is buggy, or that you have a gtkrc file which overrides settings for gschem? Do toolbars in other apps (e.g. gedit) look OK?
I also use a dark theme, and I don't have the problem shown in your screen-shot.
Is it possible your theme is buggy, or that you have a gtkrc file which overrides settings for gschem? Do toolbars in other apps (e.g. gedit) look OK?