From 982cc01c7a47641f25a17460f72ebbd308e70048 Mon Sep 17 00:00:00 2001
From: Robert Staudinger <robsta@gnome.org>
Date: Thu, 6 Aug 2009 13:25:48 +0200
Subject: [cairo-appearance] Appearance hooks return bool to signal success.

If they return FALSE the built-in drawing routines are used.

Also update example-8.
---
 ccss-cairo/Makefile.am                    |  1 -
 ccss-cairo/ccss-cairo-appearance-parser.c |  4 ++--
 ccss-cairo/ccss-cairo-style.c             |  6 ++++--
 ccss-cairo/ccss-cairo-style.h             |  8 --------
 ccss-doc/tmpl/style.sgml                  |  9 +++++++++
 examples/example-8.c                      | 14 ++++++++++----
 6 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/ccss-cairo/Makefile.am b/ccss-cairo/Makefile.am
index a51aeac..73d3fe1 100644
--- a/ccss-cairo/Makefile.am
+++ b/ccss-cairo/Makefile.am
@@ -29,7 +29,6 @@ libccss_cairo_1_la_LIBADD = \
 
 libccss_cairo_1_la_SOURCES = \
 	$(headers_DATA) \
-	ccss-cairo-appearance.c \
 	ccss-cairo-appearance.h \
 	ccss-cairo-appearance-parser.c \
 	ccss-cairo-appearance-parser.h \
diff --git a/ccss-cairo/ccss-cairo-appearance-parser.c b/ccss-cairo/ccss-cairo-appearance-parser.c
index 48bc0f1..3fa62d4 100644
--- a/ccss-cairo/ccss-cairo-appearance-parser.c
+++ b/ccss-cairo/ccss-cairo-appearance-parser.c
@@ -117,11 +117,11 @@ module_destroy (ccss_cairo_appearance_module_t *module)
 	}
 }
 
-static ccss_cairo_style_draw_f
+static ccss_cairo_appearance_draw_f
 module_get_symbol (ccss_cairo_appearance_module_t const       *module,
 		   char const		*name)
 {
-	ccss_cairo_style_draw_f draw_func = NULL;
+	ccss_cairo_appearance_draw_f draw_func = NULL;
 
 	g_return_val_if_fail (module, NULL);
 	g_return_val_if_fail (name, NULL);
diff --git a/ccss-cairo/ccss-cairo-style.c b/ccss-cairo/ccss-cairo-style.c
index e27649a..e1a2472 100644
--- a/ccss-cairo/ccss-cairo-style.c
+++ b/ccss-cairo/ccss-cairo-style.c
@@ -352,8 +352,10 @@ ccss_cairo_style_draw_rectangle (ccss_style_t const	*self,
 	    appearance->base.state == CCSS_PROPERTY_STATE_SET &&
 	    appearance->draw_function) {
 
-		ccss_cairo_appearance_draw (appearance, self, cr, x, y, width, height);
-		return;
+		bool ret = appearance->draw_function (self, cr,
+						      x, y, width, height);
+		if (ret)
+			return;
 	}
 
 	gather_outline (self, &bottom, &left, &right, &top,
diff --git a/ccss-cairo/ccss-cairo-style.h b/ccss-cairo/ccss-cairo-style.h
index f8f1285..1336704 100644
--- a/ccss-cairo/ccss-cairo-style.h
+++ b/ccss-cairo/ccss-cairo-style.h
@@ -49,14 +49,6 @@ typedef enum {
 	CCSS_CAIRO_GAP_SIDE_BOTTOM
 } ccss_cairo_gap_side_t;
 
-typedef void
-(*ccss_cairo_style_draw_f) (ccss_style_t const	*self,
-			    cairo_t		*cr,
-			    int			 x,
-			    int			 y,
-			    int			 width,
-			    int			 height);
-
 void
 ccss_cairo_style_draw_line (ccss_style_t const	*self,
 			    cairo_t		*cr, 
diff --git a/ccss-doc/tmpl/style.sgml b/ccss-doc/tmpl/style.sgml
index 32b36cc..207f614 100644
--- a/ccss-doc/tmpl/style.sgml
+++ b/ccss-doc/tmpl/style.sgml
@@ -74,6 +74,15 @@ ccss_style_t
 @Returns: 
 
 
+<!-- ##### FUNCTION ccss_style_hash ##### -->
+<para>
+
+</para>
+
+@self: 
+@Returns: 
+
+
 <!-- ##### USER_FUNCTION ccss_style_iterator_f ##### -->
 <para>
 
diff --git a/examples/example-8.c b/examples/example-8.c
index cb098f0..8fd103a 100644
--- a/examples/example-8.c
+++ b/examples/example-8.c
@@ -13,7 +13,7 @@
 G_MODULE_EXPORT char const *
 ccss_appearance_module_get_interface_version (void);
 
-G_MODULE_EXPORT void
+G_MODULE_EXPORT bool
 custom_box (ccss_style_t const	*self,
 	    cairo_t		*cr,
 	    int			 x,
@@ -27,7 +27,7 @@ ccss_appearance_module_get_interface_version (void)
 	return CCSS_CAIRO_APPEARANCE_MODULE_INTERFACE_VERSION;
 }
 
-G_MODULE_EXPORT void
+G_MODULE_EXPORT bool
 custom_box (ccss_style_t const	*self,
 	    cairo_t		*cr,
 	    int			 x,
@@ -37,8 +37,10 @@ custom_box (ccss_style_t const	*self,
 {
 	cairo_rectangle (cr, x, y, width, height);
 	cairo_set_line_width (cr, 3);
-	cairo_set_line_cap (cr, CAIRO_LINE_JOIN_MITER);
+	cairo_set_line_cap (cr, CAIRO_LINE_JOIN_ROUND);
 	cairo_stroke (cr);
+
+	return true;
 }
 
 /*
@@ -79,6 +81,7 @@ main (int	  argc,
 	ccss_stylesheet_t	*stylesheet;
 	ccss_style_t		*style;
 	GtkWidget		*window;
+	GtkWidget		*area;
 
 	gtk_init (&argc, &argv);
 
@@ -98,7 +101,10 @@ main (int	  argc,
 	gtk_widget_set_app_paintable (window, TRUE);
 	g_signal_connect (G_OBJECT (window), "delete-event", 
 			  G_CALLBACK (gtk_main_quit), NULL);
-	g_signal_connect (G_OBJECT (window), "expose-event", 
+
+	area = gtk_drawing_area_new ();
+	gtk_container_add (GTK_CONTAINER (window), area);
+	g_signal_connect (G_OBJECT (area), "expose-event",
 			  G_CALLBACK (expose_cb), style);
 
 	gtk_widget_show_all (window);
-- 
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