theme.h

Go to the documentation of this file.

// -*- C++ -*-

/*
 * GChemPaint library
 * theme.h
 *
 * Copyright (C) 2002-2009 Jean Bréfort <jean.brefort@normalesup.org>
 *
 * This program 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 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
 * USA
 */

#ifndef GCHEMPAINT_THEME_H
#define GCHEMPAINT_THEME_H

#include <gcu/macros.h>
#include <gcu/object.h>
#include <libxml/tree.h>
#include <list>
#include <map>
#include <string>
#include <set>

namespace gcp {

typedef enum {
        DEFAULT_THEME_TYPE,
        LOCAL_THEME_TYPE,
        GLOBAL_THEME_TYPE,
        FILE_THEME_TYPE
} ThemeType;

class Theme
{
friend class ThemeManager;
friend class PrefsDlg;

public:
        Theme (char const *name);
        ~Theme ();

        std::string &GetName () {return m_Name;}

        std::string &GetFileName () {return (m_FileName.length ())? m_FileName: m_Name;}

        bool Save (xmlDocPtr xml);
        bool Load (xmlNodePtr node);
        bool operator== (const Theme &theme);
        void AddClient (gcu::Object *client) {m_Clients.insert (client);}
        void RemoveClient (gcu::Object *client);
        void NotifyChanged ();

private:
        std::string m_Name, m_FileName;
        std::set <gcu::Object*> m_Clients;
        bool modified;
        bool locked;

GCU_RO_PROP (double, BondLength)
GCU_RO_PROP (double, BondAngle)
GCU_RO_PROP (double, BondDist)
GCU_RO_PROP (double, BondWidth)
GCU_RO_PROP (double, ArrowLength)
GCU_RO_PROP (double, HashWidth)
GCU_RO_PROP (double, HashDist)
GCU_RO_PROP (double, StereoBondWidth)
GCU_RO_PROP (double, ZoomFactor)
GCU_RO_PROP (double, Padding)
GCU_RO_PROP (double, ArrowHeadA)
GCU_RO_PROP (double, ArrowHeadB)
GCU_RO_PROP (double, ArrowHeadC)
GCU_RO_PROP (double, ArrowDist)
GCU_RO_PROP (double, ArrowWidth)
GCU_RO_PROP (double, ArrowPadding)
GCU_RO_PROP (double, ArrowObjectPadding)
GCU_RO_PROP (double, StoichiometryPadding)
GCU_RO_PROP (double, ObjectPadding)
GCU_RO_PROP (double, SignPadding)
GCU_RO_PROP (double, ChargeSignSize)
GCU_RO_PROP (gchar*, FontFamily)
GCU_RO_PROP (PangoStyle, FontStyle)
GCU_RO_PROP (PangoWeight, FontWeight)
GCU_RO_PROP (PangoVariant, FontVariant)
GCU_RO_PROP (PangoStretch, FontStretch)
GCU_RO_PROP (gint, FontSize)
GCU_RO_PROP (gchar*, TextFontFamily)
GCU_RO_PROP (PangoStyle, TextFontStyle)
GCU_RO_PROP (PangoWeight, TextFontWeight)
GCU_RO_PROP (PangoVariant, TextFontVariant)
GCU_RO_PROP (PangoStretch, TextFontStretch)
GCU_RO_PROP (gint, TextFontSize)
GCU_RO_PROP (ThemeType, ThemeType);
};

class ThemeManager
{
public:
        ThemeManager ();
        ~ThemeManager ();

        Theme *GetTheme (char const *name);
        Theme *GetTheme (std::string &name);
        std::list <std::string> const &GetThemesNames ();
        void OnConfigChanged (GOConfNode *node, gchar const *name);
        Theme *CreateNewTheme (Theme *theme = NULL);
        void AddFileTheme (Theme *theme, char const *label);
        void RemoveFileTheme (Theme *theme);
        void ChangeThemeName (Theme *theme, char const *name);
        Theme *GetDefaultTheme () {return m_DefaultTheme;}
        void SetDefaultTheme (char const *name);
        void Shutdown ();

private:
        void ParseDir (std::string &path, ThemeType type);

private:
        std::map <std::string, Theme*> m_Themes;
        std::list <std::string> m_Names;
        GOConfNode *m_ConfNode;
        guint m_NotificationId;
        Theme *m_DefaultTheme;
};

extern ThemeManager TheThemeManager;

}       //      namespace gcp

#endif  //      GCHEMPAINT_THEME_H