gedit ~/.gtkrc-2.0二、在其中输入以下代码保存后重启eclipse便可
style "compact-toolbar" { GtkToolbar::internal-padding = 0 xthickness = 1 ythickness = 1 } style "compact-button" { xthickness = 0 ythickness = 0 } class "GtkToolbar" style "compact-toolbar" widget_class "*<GtkToolbar>*<GtkButton>" style "compact-button"