theme.h

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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * theme.h
00006  *
00007  * Copyright (C) 2002-2007 Jean Bréfort <jean.brefort@normalesup.org>
00008  *
00009  * This program is free software; you can redistribute it and/or 
00010  * modify it under the terms of the GNU General Public License as 
00011  * published by the Free Software Foundation; either version 2 of the
00012  * License, or (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
00022  * USA
00023  */
00024 
00025 #ifndef GCHEMPAINT_THEME_H
00026 #define GCHEMPAINT_THEME_H
00027 
00028 #include <gcu/macros.h>
00029 #include <gcu/object.h>
00030 #include <glib/gtypes.h>
00031 #include <pango/pango.h>
00032 #ifdef HAVE_GO_CONF_SYNC
00033 #include <goffice/app/go-conf.h>
00034 #else
00035 #include <gconf/gconf-client.h>
00036 #endif
00037 #include <libxml/tree.h>
00038 #include <list>
00039 #include <map>
00040 #include <string>
00041 #include <set>
00042 
00045 namespace gcp {
00046 
00050 typedef enum {
00054         DEFAULT_THEME_TYPE,
00058         LOCAL_THEME_TYPE,
00062         GLOBAL_THEME_TYPE,
00066         FILE_THEME_TYPE
00067 } ThemeType;
00068 
00074 class Theme
00075 {
00076 friend class ThemeManager;
00077 friend class PrefsDlg;
00078 
00079 public:
00085         Theme (char const *name);
00089         ~Theme ();
00090 
00094         std::string &GetName () {return m_Name;}
00101         bool Save (xmlDocPtr xml);
00107         bool Load (xmlNodePtr node);
00113         bool operator== (const Theme &theme);
00119         void AddClient (gcu::Object *client) {m_Clients.insert (client);}
00125         void RemoveClient (gcu::Object *client);
00129         void NotifyChanged ();
00130 
00131 private:
00132         std::string m_Name;
00133         std::set <gcu::Object*> m_Clients;
00134         bool modified;
00135 
00139 GCU_RO_PROP (double, BondLength)
00143 GCU_RO_PROP (double, BondAngle)
00147 GCU_RO_PROP (double, BondDist)
00151 GCU_RO_PROP (double, BondWidth)
00155 GCU_RO_PROP (double, ArrowLength)
00159 GCU_RO_PROP (double, HashWidth)
00163 GCU_RO_PROP (double, HashDist)
00167 GCU_RO_PROP (double, StereoBondWidth)
00171 GCU_RO_PROP (double, ZoomFactor)
00175 GCU_RO_PROP (double, Padding)
00179 GCU_RO_PROP (double, ArrowHeadA)
00183 GCU_RO_PROP (double, ArrowHeadB)
00187 GCU_RO_PROP (double, ArrowHeadC)
00191 GCU_RO_PROP (double, ArrowDist)
00195 GCU_RO_PROP (double, ArrowWidth)
00199 GCU_RO_PROP (double, ArrowPadding)
00203 GCU_RO_PROP (double, ArrowObjectPadding)
00207 GCU_RO_PROP (double, StoichiometryPadding)
00211 GCU_RO_PROP (double, ObjectPadding)
00215 GCU_RO_PROP (double, SignPadding)
00219 GCU_RO_PROP (double, ChargeSignSize)
00223 GCU_RO_PROP (gchar*, FontFamily)
00227 GCU_RO_PROP (PangoStyle, FontStyle)
00231 GCU_RO_PROP (PangoWeight, FontWeight)
00235 GCU_RO_PROP (PangoVariant, FontVariant)
00239 GCU_RO_PROP (PangoStretch, FontStretch)
00243 GCU_RO_PROP (gint, FontSize)
00247 GCU_RO_PROP (gchar*, TextFontFamily)
00251 GCU_RO_PROP (PangoStyle, TextFontStyle)
00255 GCU_RO_PROP (PangoWeight, TextFontWeight)
00259 GCU_RO_PROP (PangoVariant, TextFontVariant)
00263 GCU_RO_PROP (PangoStretch, TextFontStretch)
00267 GCU_RO_PROP (gint, TextFontSize)
00271 GCU_RO_PROP (ThemeType, ThemeType);
00272 };
00273 
00280 class ThemeManager
00281 {
00282 public:
00286         ThemeManager ();
00290         ~ThemeManager ();
00291 
00297         Theme *GetTheme (char const *name);
00303         Theme *GetTheme (std::string &name);
00307         std::list <std::string> const &GetThemesNames ();
00308 #ifdef HAVE_GO_CONF_SYNC
00309 
00316         void OnConfigChanged (GOConfNode *node, gchar const *name);
00317 #else
00318 
00326         void OnConfigChanged (GConfClient *client,  guint cnxn_id, GConfEntry *entry);
00327 #endif
00328 
00333         Theme *CreateNewTheme (Theme *theme = NULL);
00343         void AddFileTheme (Theme *theme, char const *label);
00350         void RemoveFileTheme (Theme *theme);
00357         void ChangeThemeName (Theme *theme, char const *name);
00361         Theme *GetDefaultTheme () {return m_DefaultTheme;}
00368         void SetDefaultTheme (char const *name);
00373         void Shutdown ();
00374 
00375 private:
00376         void ParseDir (std::string &path, ThemeType type);
00377 
00378 private:
00379         std::map <std::string, Theme*> m_Themes;
00380         std::list <std::string> m_Names;
00381 #ifdef HAVE_GO_CONF_SYNC
00382         GOConfNode *m_ConfNode;
00383 #else
00384         GConfClient *m_ConfClient;
00385 #endif
00386         guint m_NotificationId;
00387         Theme *m_DefaultTheme;
00388 };
00389 
00393 extern ThemeManager TheThemeManager;
00394 
00395 }       //      namespace gcp
00396 
00397 #endif  //      GCHEMPAINT_THEME_H

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