From: Ben Pfaff <blp@cs.stanford.edu>
Date: Mon, 22 Mar 2010 04:06:44 +0000 (-0700)
Subject: psppire: Use default GTK+ font in output shown in GUI.
X-Git-Tag: sav-api~334
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?p=pspp;a=commitdiff_plain;h=43ed0a7cbd9cd3795bba6f3e6dbbae457fd0d269

psppire: Use default GTK+ font in output shown in GUI.

This makes the output look more consistent with the rest of the interface.

I didn't see an easy way to get a "default" monospace font.  GTK+ doesn't
seem to have one.

Reported by John Darrington.
---

diff --git a/src/output/cairo.c b/src/output/cairo.c
index 6eb39b276b..977a414420 100644
--- a/src/output/cairo.c
+++ b/src/output/cairo.c
@@ -959,15 +959,9 @@ struct xr_rendering
 #define CHART_HEIGHT 375
 
 struct xr_driver *
-xr_create_driver (cairo_t *cairo)
+xr_create_driver (cairo_t *cairo, struct string_map *options)
 {
-  struct xr_driver *xr;
-  struct string_map map;
-
-  string_map_init (&map);
-  xr = xr_allocate ("cairo", 0, &map);
-  string_map_destroy (&map);
-
+  struct xr_driver *xr = xr_allocate ("cairo", 0, options);
   xr->width = INT_MAX / 8;
   xr->length = INT_MAX / 8;
   if (!xr_set_cairo (xr, cairo))
diff --git a/src/output/cairo.h b/src/output/cairo.h
index bcbe8e097d..6fe3273300 100644
--- a/src/output/cairo.h
+++ b/src/output/cairo.h
@@ -23,9 +23,10 @@
 
 struct chart_item;
 struct output_item;
+struct string_map;
 
 /* Used by PSPPIRE to render in the GUI. */
-struct xr_driver *xr_create_driver (cairo_t *);
+struct xr_driver *xr_create_driver (cairo_t *, struct string_map *options);
 struct xr_rendering *xr_rendering_create (struct xr_driver *,
                                           const struct output_item *,
                                           cairo_t *);
diff --git a/src/ui/gui/psppire-output-window.c b/src/ui/gui/psppire-output-window.c
index e217c0edca..3003fba837 100644
--- a/src/ui/gui/psppire-output-window.c
+++ b/src/ui/gui/psppire-output-window.c
@@ -216,7 +216,29 @@ psppire_output_submit (struct output_driver *this,
 
   cr = gdk_cairo_create (GTK_WIDGET (pod->viewer)->window);
   if (pod->xr == NULL)
-    pod->xr = xr_create_driver (cr);
+    {
+      const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (viewer));
+      struct string_map options = STRING_MAP_INITIALIZER (options);
+      PangoFontDescription *font_desc;
+      char *font_name;
+
+      /* Use GTK+ default font as proportional font. */
+      font_name = pango_font_description_to_string (style->font_desc);
+      string_map_insert (&options, "prop-font", font_name);
+      g_free (font_name);
+
+      /* Derived emphasized font from proportional font. */
+      font_desc = pango_font_description_copy (style->font_desc);
+      pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
+      font_name = pango_font_description_to_string (font_desc);
+      string_map_insert (&options, "emph-font", font_name);
+      g_free (font_name);
+      pango_font_description_free (font_desc);
+
+      pod->xr = xr_create_driver (cr, &options);
+
+      string_map_destroy (&options);
+    }
 
   r = xr_rendering_create (pod->xr, item, cr);
   if (r == NULL)