Cache widget parts in meshes

[libs/gltk.git] / source / widget.h

diff --git a/source/widget.h b/source/widget.h
index bc9b90a69696a8e944af0d88042ad318ab481ec1..ba49b09e44c90a5abd1644dbbd4f9f3ee276afdd 100644 (file)
--- a/source/widget.h
+++ b/source/widget.h
@@ -1,15 +1,10 @@
-/* $Id$
-
-This file is part of libmspgltk
-Copyright © 2007-2011  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #ifndef MSP_GLTK_WIDGET_H_
 #define MSP_GLTK_WIDGET_H_
 
 #include <string>
+#include <msp/datafile/objectloader.h>
 #include "geometry.h"
+#include "partcache.h"
 #include "state.h"
 
 namespace Msp {
@@ -29,14 +24,10 @@ class Widget
        friend class Container;
 
 public:
-       class Loader: public Msp::DataFile::Loader
+       class Loader: public DataFile::ObjectLoader<Widget>
        {
-       protected:
-               Widget &wdg;
-
        public:
                Loader(Widget &);
-               Widget &get_object() const { return wdg; }
        private:
                void position(int, int);
                void size(unsigned, unsigned);
@@ -44,6 +35,7 @@ public:
        };
 
        sigc::signal<void, bool> signal_visibility_changed;
+       sigc::signal<void> signal_autosize_changed;
        sigc::signal<void> signal_request_focus;
        sigc::signal<void> signal_grab_pointer;
        sigc::signal<void> signal_ungrab_pointer;
@@ -57,6 +49,7 @@ protected:
        bool focusable;
        Container *parent;
        std::string tooltip;
+       std::list<CachedPart> cached_parts;
 
        Widget();
 public:
@@ -69,7 +62,7 @@ public:
 
        void set_position(int, int);
        void set_size(unsigned, unsigned);
-       virtual void autosize() { }
+       virtual void autosize();
        void set_geometry(const Geometry &);
        const Geometry &get_geometry() const { return geom; }
 
@@ -79,8 +72,9 @@ protected:
        calling this function with a non-null parameter.
        */
        void set_parent(Container *);
-
 public:
+       Container *get_parent() const { return parent; }
+
        /**
        Sets the widget style.  The final style name is constructed by concatenating
        the widget class and the style name with a dash.
@@ -105,6 +99,15 @@ public:
        bool is_focusable() const { return focusable; }
        void set_focus();
 
+protected:
+       void set_state(State s) { set_state(s, s); }
+       void clear_state(State s) { set_state(s, NORMAL); }
+       void set_state(State, State);
+
+       void rebuild();
+       virtual void rebuild_special(const Part &, CachedPart &) { }
+
+public:
        void render() const;
 protected:
        virtual void render_special(const Part &) const { }
@@ -116,8 +119,9 @@ public:
        virtual void pointer_motion(int, int) { }
        virtual void pointer_enter();
        virtual void pointer_leave();
-       virtual void key_press(unsigned, unsigned, wchar_t) { }
+       virtual void key_press(unsigned, unsigned) { }
        virtual void key_release(unsigned, unsigned) { }
+       virtual void character(wchar_t) { }
        virtual void focus_in();
        virtual void focus_out();
 protected: