output view: make items selectable and use system colours

[pspp] / src / output / cairo-chart.h

diff --git a/src/output/cairo-chart.h b/src/output/cairo-chart.h
index 116a8c990110be01d1e21a900874e18823a703c9..68f2978283b93edc63c3507ca05b2d970c3de0bc 100644 (file)
--- a/src/output/cairo-chart.h
+++ b/src/output/cairo-chart.h
@@ -117,13 +117,12 @@ void xrchart_write_title (cairo_t *, const struct xrchart_geometry *,
   PRINTF_FORMAT (3, 4);
 
 /* Set the scale for the abscissa */
-void xrchart_write_xscale (cairo_t *, struct xrchart_geometry *,
-                           double min, double max);
-
+bool xrchart_write_xscale (cairo_t *, struct xrchart_geometry *,
+                           double min, double max) WARN_UNUSED_RESULT;
 
 /* Set the scale for the ordinate */
-void xrchart_write_yscale (cairo_t *, struct xrchart_geometry *,
-                           double smin, double smax);
+bool xrchart_write_yscale (cairo_t *, struct xrchart_geometry *,
+                           double smin, double smax) WARN_UNUSED_RESULT;
 
 void xrchart_write_xlabel (cairo_t *, const struct xrchart_geometry *,
                            const char *label) ;
@@ -178,9 +177,4 @@ void xrchart_draw_spreadlevel (const struct chart_item *, cairo_t *,
 void xrchart_draw_scatterplot (const struct chart_item *, cairo_t *,
                          struct xrchart_geometry *);
 
-/* Get the width and height of rendered label text */
-void xrchart_text_extents (cairo_t *cr, const struct xrchart_geometry *geom,
-                          const char *utf8,
-                          double *width, double *height);
-
 #endif /* output/cairo-chart.h */