[gtk-theme-engine-clearlooks] Implement render_extension()

[Carlos Garnacho <carlosg src gnome org>]

commit b4354ad6d313960483080367337ea8f8899706a8
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Nov 16 00:56:18 2010 +0100

    Implement render_extension()

 src/clearlooks_engine.c |   52 ++++++++++++++++++++++++++++++++--------------
 1 files changed, 36 insertions(+), 16 deletions(-)
---
diff --git a/src/clearlooks_engine.c b/src/clearlooks_engine.c
index b471767..375a0fd 100644
--- a/src/clearlooks_engine.c
+++ b/src/clearlooks_engine.c
@@ -347,24 +347,40 @@ clearlooks_style_draw_box_gap (DRAW_ARGS,
 	}
 }
 
+#endif
+
 static void
-clearlooks_style_draw_extension (DRAW_ARGS, GtkPositionType gap_side)
+clearlooks_engine_render_extension (GtkThemingEngine *engine,
+				    cairo_t          *cr,
+				    gdouble           x,
+				    gdouble           y,
+				    gdouble           width,
+				    gdouble           height,
+				    GtkPositionType   gap_side)
 {
-	ClearlooksStyle  *clearlooks_style = CLEARLOOKS_STYLE (style);
-	ClearlooksColors *colors = &clearlooks_style->colors;
+	ClearlooksStyleFunctions  *style_functions;
 
-	CHECK_ARGS
+	GE_CAIRO_INIT
+
+	clearlooks_lookup_functions (CLEARLOOKS_ENGINE (engine),
+				     &style_functions, NULL);
 
-	if (DETAIL ("tab"))
+	if (gtk_theming_engine_has_region (engine, GTK_STYLE_REGION_TAB, NULL))
 	{
-		WidgetParameters params;
 		TabParameters    tab;
 		FocusParameters  focus;
+		CairoColor      *bg_color, *focus_color;
+		GtkStateFlags    state;
 
-		clearlooks_set_widget_parameters (widget, style, state_type, &params);
+		state = gtk_theming_engine_get_state (engine);
+		gtk_theming_engine_get (engine, state,
+					"background-color", &bg_color,
+					"-clearlooks-focus-color", &focus_color,
+					NULL);
 
-		tab.gap_side = (ClearlooksGapSide)gap_side;
+		tab.gap_side = (ClearlooksGapSide) gap_side;
 
+#if 0
 		switch (gap_side)
 		{
 			case CL_GAP_TOP:
@@ -380,29 +396,32 @@ clearlooks_style_draw_extension (DRAW_ARGS, GtkPositionType gap_side)
 				params.corners = CR_CORNER_TOPLEFT | CR_CORNER_BOTTOMLEFT;
 				break;
 		}
+#endif
 
 		/* Focus color */
-		if (clearlooks_style->has_focus_color)
+		if (focus_color)
 		{
-			ge_gdk_color_to_cairo (&clearlooks_style->focus_color, &focus.color);
+			focus.color = *focus_color;
 			focus.has_color = TRUE;
+			gdk_rgba_free ((GdkRGBA *) focus_color);
 		}
 		else
-			focus.color = colors->bg[GTK_STATE_SELECTED];
+			focus.color = *bg_color;
 
 		tab.focus = focus;
 
-		STYLE_FUNCTION(draw_tab) (cr, colors, &params, &tab,
-		                          x, y, width, height);
+		style_functions->draw_tab (cr, engine, &tab,
+					   x, y, width, height);
+
+		gdk_rgba_free ((GdkRGBA *) bg_color);
 	}
 	else
 	{
-		GTK_STYLE_CLASS (clearlooks_style_parent_class)->draw_extension (style, cr, state_type, shadow_type,
-		                                         widget, detail, x, y, width, height,
-		                                         gap_side);
+		GTK_THEMING_ENGINE_CLASS (clearlooks_engine_parent_class)->render_extension (engine, cr, x, y, width, height, gap_side);
 	}
 }
 
+#if 0
 static void
 clearlooks_style_draw_handle (DRAW_ARGS, GtkOrientation orientation)
 {
@@ -1697,6 +1716,7 @@ clearlooks_engine_class_init (ClearlooksEngineClass * klass)
 	engine_class->render_check = clearlooks_engine_render_check;
 	engine_class->render_option = clearlooks_engine_render_option;
 	engine_class->render_slider = clearlooks_engine_render_slider;
+	engine_class->render_extension = clearlooks_engine_render_extension;
 	engine_class->render_background = clearlooks_engine_render_background;
 	engine_class->render_frame = clearlooks_engine_render_frame;
 	engine_class->render_layout = clearlooks_engine_render_layout;