colorscale: Draw a trough

Make sure the color info is actually drawn inside the trough.
2016-03-09 17:27:01 +01:00
parent 8351a6e4d6
commit fc7335bdb4
4 changed files with 35 additions and 143 deletions
--- a/gtk/gtkcolorscaleprivate.h
+++ b/gtk/gtkcolorscaleprivate.h
@ -64,6 +64,13 @@ GtkWidget * gtk_color_scale_new      (GtkAdjustment     *adjustment,
 void        gtk_color_scale_set_rgba (GtkColorScale     *scale,
                                      const GdkRGBA     *color);

+void        gtk_color_scale_draw_trough (GtkColorScale  *scale,
+                                         cairo_t        *cr,
+                                         int             x,
+                                         int             y,
+                                         int             width,
+                                         int             height);
+
 G_END_DECLS

 #endif /* __GTK_COLOR_SCALE_H__ */