the state for which to set the background 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_bg().
Deprecated: Use gtk_widget_override_background_color() instead
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Sets the background color for a widget in a particular state.
All other style values are left untouched. See also gtk_widget_modify_style().
> Note that “no window” widgets (which have the %GTK_NO_WINDOW > flag set) draw on their parent container’s window and thus may > not draw any background themselves. This is the case for e.g. > #GtkLabel. > > To modify the background of such widgets, you have to set the > background color on their parent; if you want to set the background > of a rectangular area around a label, try placing the label in > a #GtkEventBox widget and setting the background color on that.