[hitori] Highlight errors using font colour and weight

[Philip Withnall <pwithnall src gnome org>]

commit 1ea72d5802116525533bb70b531e7b134b527544
Author: Philip Withnall <philip tecnocode co uk>
Date:   Sun Oct 31 12:14:58 2010 +0000

    Highlight errors using font colour and weight
    
    This looks better than changing the cell background to purple and makes errors
    more accessible, as they're no longer signalled purely via colour.

 src/interface.c |   20 ++++++++++++++------
 1 files changed, 14 insertions(+), 6 deletions(-)
---
diff --git a/src/interface.c b/src/interface.c
index 244baea..516291e 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -142,6 +142,7 @@ hitori_draw_cb (GtkWidget *drawing_area, cairo_t *cr, Hitori *hitori)
 			gint text_width, text_height;
 			GtkStateType state = GTK_STATE_NORMAL;
 			gboolean painted = FALSE;
+			PangoFontDescription *font_desc;
 
 			if (hitori->board[iter.x][iter.y].status & CELL_PAINTED) {
 				painted = TRUE;
@@ -149,10 +150,7 @@ hitori_draw_cb (GtkWidget *drawing_area, cairo_t *cr, Hitori *hitori)
 			}
 
 			/* Draw the fill */
-			if (hitori->board[iter.x][iter.y].status & CELL_ERROR)
-				cairo_set_source_rgb (cr, 0.678431373, 0.498039216, 0.658823529); /* Tango's lightest "plum" */
-			else
-				gdk_cairo_set_source_color (cr, &style->bg[state]);
+			gdk_cairo_set_source_color (cr, &style->bg[state]);
 			cairo_rectangle (cr, x_pos, y_pos, cell_size, cell_size);
 			cairo_fill (cr);
 
@@ -190,14 +188,24 @@ hitori_draw_cb (GtkWidget *drawing_area, cairo_t *cr, Hitori *hitori)
 			layout = pango_cairo_create_layout (cr);
 
 			pango_layout_set_text (layout, text, -1);
-			pango_layout_set_font_description (layout, (painted == TRUE) ? hitori->painted_font_desc : hitori->normal_font_desc);
+
+			font_desc = (painted == TRUE) ? hitori->painted_font_desc : hitori->normal_font_desc;
+
+			if (hitori->board[iter.x][iter.y].status & CELL_ERROR) {
+				cairo_set_source_rgb (cr, 0.937254902, 0.160784314, 0.160784314); /* Tango's lightest "scarlet red" */
+				pango_font_description_set_weight (font_desc, PANGO_WEIGHT_BOLD);
+			} else {
+				gdk_cairo_set_source_color (cr, &style->text[state]);
+				pango_font_description_set_weight (font_desc, PANGO_WEIGHT_NORMAL);
+			}
+
+			pango_layout_set_font_description (layout, font_desc);
 
 			pango_layout_get_pixel_size (layout, &text_width, &text_height);
 			cairo_move_to (cr,
 				       x_pos + (cell_size - text_width) / 2,
 				       y_pos + (cell_size - text_height) / 2);
 
-			gdk_cairo_set_source_color (cr, &style->text[state]);
 			pango_cairo_show_layout (cr, layout);
 
 			g_free (text);