From 9d6d7f8b815fc975d159c83cfcba4d20047dc166 Mon Sep 17 00:00:00 2001
From: Sampo Savolainen <v2@iki.fi>
Date: Fri, 2 Jan 2009 15:27:19 +0000
Subject: [PATCH] GC from style utility function

git-svn-id: svn://localhost/ardour2/branches/3.0@4378 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/utils.cc | 55 ++++++++++++++++++++++++++++++++++++++++++++
 gtk2_ardour/utils.h  |  2 ++
 2 files changed, 57 insertions(+)

diff --git a/gtk2_ardour/utils.cc b/gtk2_ardour/utils.cc
index f625ae958e..5b83cddbc9 100644
--- a/gtk2_ardour/utils.cc
+++ b/gtk2_ardour/utils.cc
@@ -384,6 +384,61 @@ color_from_style (string widget_style_name, int state, string attr)
 	return Gdk::Color ("red");
 }
 
+Glib::RefPtr<Gdk::GC>
+gc_from_style (string widget_style_name, int state, string attr)
+{
+        GtkStyle* style;
+
+        style = gtk_rc_get_style_by_paths (gtk_settings_get_default(),
+                                           widget_style_name.c_str(),
+                                           0, G_TYPE_NONE);
+
+        if (!style) {
+                error << string_compose (_("no style found for %1, using red"), style) << endmsg;
+		Glib::RefPtr<Gdk::GC> ret = Gdk::GC::create();
+		ret->set_rgb_fg_color(Gdk::Color("red"));
+                return ret;
+        }
+
+        if (attr == "fg") {
+                return Glib::wrap(style->fg_gc[state]);
+        }
+
+        if (attr == "bg") {
+                return Glib::wrap(style->bg_gc[state]);
+        }
+
+        if (attr == "light") {
+                return Glib::wrap(style->light_gc[state]);
+        }
+
+        if (attr == "dark") {
+                return Glib::wrap(style->dark_gc[state]);
+        }
+
+        if (attr == "mid") {
+                return Glib::wrap(style->mid_gc[state]);
+        }
+
+        if (attr == "text") {
+                return Glib::wrap(style->text_gc[state]);
+        }
+
+        if (attr == "base") {
+                return Glib::wrap(style->base_gc[state]);
+        }
+
+        if (attr == "text_aa") {
+                return Glib::wrap(style->text_aa_gc[state]);
+        }
+
+        error << string_compose (_("unknown style attribute %1 requested for color; using \"red\""), attr) << endmsg;
+	Glib::RefPtr<Gdk::GC> ret = Gdk::GC::create();
+	ret->set_rgb_fg_color(Gdk::Color("red"));
+        return ret;
+}
+
+
 bool 
 canvas_item_visible (ArdourCanvas::Item* item)
 {
diff --git a/gtk2_ardour/utils.h b/gtk2_ardour/utils.h
index 29c6bda403..65a3e0a960 100644
--- a/gtk2_ardour/utils.h
+++ b/gtk2_ardour/utils.h
@@ -68,6 +68,8 @@ Pango::FontDescription* get_font_for_style (std::string widgetname);
 uint32_t rgba_from_style (std::string, uint32_t, uint32_t, uint32_t, uint32_t, std::string = "fg", int = Gtk::STATE_NORMAL, bool = true);
 
 Gdk::Color color_from_style (std::string widget_style_name, int state, std::string attr);
+Glib::RefPtr<Gdk::GC> gc_from_style (string widget_style_name, int state, string attr);
+
 
 void decorate (Gtk::Window& w, Gdk::WMDecoration d);