textureentry.h

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/*
 Copyright (C) 2001-2006, William Joseph.
 All Rights Reserved.

 This file is part of GtkRadiant.

 GtkRadiant is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 GtkRadiant is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GtkRadiant; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#if !defined(INCLUDED_TEXTUREENTRY_H)
#define INCLUDED_TEXTUREENTRY_H

#include <gtk/gtkentry.h>
#include <gtk/gtkliststore.h>
#include "gtkutil/idledraw.h"

#include "generic/static.h"
#include "signal/isignal.h"
#include "shaderlib.h"

#include "sidebar/sidebar.h"

template<typename StringList>
class EntryCompletion
{
        GtkListStore* m_store;
        IdleDraw m_idleUpdate;
    public:
        EntryCompletion () :
            m_store(0), m_idleUpdate(UpdateCaller(*this))
        {
        }

        void connect (GtkEntry* entry)
        {
            if (m_store == 0) {
                m_store = gtk_list_store_new(1, G_TYPE_STRING);

                fill();

                StringList().connect(IdleDraw::QueueDrawCaller(m_idleUpdate));
            }

            GtkEntryCompletion* completion = gtk_entry_completion_new();
            gtk_entry_set_completion(entry, completion);
            gtk_entry_completion_set_model(completion, GTK_TREE_MODEL(m_store));
            gtk_entry_completion_set_text_column(completion, 0);
        }

        void append (const char* string)
        {
            GtkTreeIter iter;
            gtk_list_store_append(m_store, &iter);
            gtk_list_store_set(m_store, &iter, 0, string, -1);
        }
        typedef MemberCaller1<EntryCompletion, const char*, &EntryCompletion::append> AppendCaller;

        void fill ()
        {
            StringList().forEach(AppendCaller(*this));
        }

        void clear ()
        {
            if (m_store != 0)
                gtk_list_store_clear(m_store);
        }

        void update ()
        {
            clear();
            fill();
        }
        typedef MemberCaller<EntryCompletion, &EntryCompletion::update> UpdateCaller;
};

class TextureNameList
{
    public:
        void forEach (const ShaderNameCallback& callback) const
        {
            for (GlobalShaderSystem().beginActiveShadersIterator(); !GlobalShaderSystem().endActiveShadersIterator(); GlobalShaderSystem().incrementActiveShadersIterator()) {
                IShader *shader = GlobalShaderSystem().dereferenceActiveShadersIterator();

                if (shader_equal_prefix(shader->getName(), "textures/")) {
                    callback(shader->getName() + 9);
                }
            }
        }
        void connect (const SignalHandler& update) const
        {
            TextureBrowser_addActiveShadersChangedCallback(update);
        }
};

typedef Static<EntryCompletion<TextureNameList> > GlobalTextureEntryCompletion;

#endif