[gtk-theme-engine-clearlooks] Implement render_slider().

[Carlos Garnacho <carlosg src gnome org>]

commit 74b4ca75fd8d5faa1eefe2e9ac8eaebd94e70d23
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Nov 16 00:53:29 2010 +0100

    Implement render_slider().

 src/clearlooks_engine.c |   91 +++++++++++++++++++++++++++-------------------
 1 files changed, 53 insertions(+), 38 deletions(-)
---
diff --git a/src/clearlooks_engine.c b/src/clearlooks_engine.c
index 9a7d50c..94f4e2f 100644
--- a/src/clearlooks_engine.c
+++ b/src/clearlooks_engine.c
@@ -1052,74 +1052,88 @@ clearlooks_style_draw_box (DRAW_ARGS)
 		                                   widget, detail, x, y, width, height);
 	}
 }
+#endif
 
 static void
-clearlooks_style_draw_slider (DRAW_ARGS, GtkOrientation orientation)
+clearlooks_engine_render_slider (GtkThemingEngine *engine,
+				 cairo_t          *cr,
+				 gdouble           x,
+				 gdouble           y,
+				 gdouble           width,
+				 gdouble           height,
+				 GtkOrientation    orientation)
 {
-	ClearlooksStyle *clearlooks_style = CLEARLOOKS_STYLE (style);
-	const ClearlooksColors *colors;
-
-	colors = &clearlooks_style->colors;
-
-	CHECK_ARGS
-
-	if (DETAIL ("hscale") || DETAIL ("vscale"))
-	{
-		WidgetParameters params;
-		SliderParameters slider;
-
-		clearlooks_set_widget_parameters (widget, style, state_type, &params);
+	ClearlooksStyleFunctions *style_functions;
 
-		slider.horizontal = (orientation == GTK_ORIENTATION_HORIZONTAL);
-		slider.lower = FALSE;
-		slider.fill_level = FALSE;
+	GE_CAIRO_INIT
 
-		if (clearlooks_style->style == CL_STYLE_GLOSSY) /* XXX! */
-			params.corners = CR_CORNER_ALL;
+	clearlooks_lookup_functions (CLEARLOOKS_ENGINE (engine),
+				     &style_functions, NULL);
 
-		STYLE_FUNCTION(draw_slider_button) (cr, &clearlooks_style->colors,
-		                                    &params, &slider,
-		                                    x, y, width, height);
-	}
-	else if (DETAIL ("slider"))
+	if (gtk_theming_engine_has_class (engine, GTK_STYLE_CLASS_SLIDER))
 	{
 		WidgetParameters    params;
 		ScrollBarParameters scrollbar;
+		gboolean colorize_scrollbar;
+		CairoColor *scrollbar_color;
+		ClearlooksStyle style;
+		GtkStateFlags state;
 
-		clearlooks_set_widget_parameters (widget, style, state_type, &params);
 		params.corners = CR_CORNER_NONE;
 
 		scrollbar.has_color  = FALSE;
 		scrollbar.horizontal = (orientation == GTK_ORIENTATION_HORIZONTAL);
-		scrollbar.junction   = clearlooks_scrollbar_get_junction (widget);
+		scrollbar.junction   = 0; //clearlooks_scrollbar_get_junction (widget);
 
-		if (clearlooks_style->colorize_scrollbar)
+		state = gtk_theming_engine_get_state (engine);
+
+		gtk_theming_engine_get (engine, state,
+					"-clearlooks-colorize-scrollbar", &colorize_scrollbar,
+					"-clearlooks-scrollbar-color", &scrollbar_color,
+					"-clearlooks-style", &style,
+					NULL);
+
+		if (colorize_scrollbar)
 		{
-			scrollbar.color = colors->spot[1];
+			clearlooks_lookup_spot (engine, 1, (GdkRGBA *) &scrollbar.color);
 			scrollbar.has_color = TRUE;
 		}
 
 		/* Set scrollbar color */
-		if (clearlooks_style->has_scrollbar_color)
+		if (colorize_scrollbar)
 		{
-			ge_gdk_color_to_cairo (&clearlooks_style->scrollbar_color, &scrollbar.color);
+			scrollbar.color = *scrollbar_color;
 			scrollbar.has_color = TRUE;
 		}
 
-		if ((clearlooks_style->style == CL_STYLE_GLOSSY || clearlooks_style->style == CL_STYLE_GUMMY)
-			&& !scrollbar.has_color)
-			scrollbar.color = colors->bg[0];
+		if ((style == CL_STYLE_GLOSSY || style == CL_STYLE_GUMMY) && !scrollbar.has_color) {
+			CairoColor *bg_color;
 
-		STYLE_FUNCTION(draw_scrollbar_slider) (cr, colors, &params, &scrollbar,
-		                                       x, y, width, height);
+			gtk_theming_engine_get (engine, state,
+						"background-color", &bg_color,
+						NULL);
+
+			scrollbar.color = *bg_color;
+			gdk_rgba_free ((GdkRGBA *) bg_color);
+		}
+
+		style_functions->draw_scrollbar_slider (cr, engine, &scrollbar,
+							x, y, width, height);
+
+		gdk_rgba_free ((GdkRGBA *) scrollbar_color);
 	}
 	else
 	{
-		GTK_STYLE_CLASS (clearlooks_style_parent_class)->draw_slider (style, cr, state_type, shadow_type,
-		                                      widget, detail, x, y, width, height, orientation);
+		SliderParameters slider;
+
+		slider.horizontal = (orientation == GTK_ORIENTATION_HORIZONTAL);
+		slider.lower = FALSE;
+		slider.fill_level = FALSE;
+
+		style_functions->draw_slider_button (cr, engine, &slider,
+						     x, y, width, height);
 	}
 }
-#endif
 
 static void
 clearlooks_engine_render_option (GtkThemingEngine *engine,
@@ -1751,6 +1765,7 @@ clearlooks_engine_class_init (ClearlooksEngineClass * klass)
 	engine_class->render_arrow = clearlooks_engine_render_arrow;
 	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_layout = clearlooks_engine_render_layout;
 	engine_class->render_icon_pixbuf = clearlooks_engine_render_icon_pixbuf;