Sets the foreground color for a widget in a particular state. All other style values are left untouched. See also gtk_widget_modify_style().
the state for which to set the foreground color
the color to assign (does not need to be allocated), or NULL to undo the effect of previous calls to of gtk_widget_modify_fg(). [allow-none]
See Implementation
Sets the foreground color for a widget in a particular state. All other style values are left untouched. See also gtk_widget_modify_style().