The Gnome Chemistry Utils 0.13.3
gccv/brackets.h
00001 // -*- C++ -*-
00002 
00003 /* 
00004  * GChemPaint library
00005  * brackets.h 
00006  *
00007  * Copyright (C) 2011 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 GCCV_BRACKETS_H
00026 #define GCCV_BRACKETS_H
00027 
00028 #include "item.h"
00029 #include <list>
00030 #include <string>
00031 
00032 namespace gccv {
00033 
00034 typedef struct _BracketsMetrics BracketsMetrics;
00035 
00039 typedef enum
00040 {
00043         BracketsTypeNormal,
00046         BracketsTypeSquare,
00049         BracketsTypeCurly
00050 } BracketsTypes;
00054 typedef enum
00055 {
00058         BracketsOpening = 1,
00061         BracketsClosing,
00064         BracketsBoth
00065 } BracketsUses;
00066 
00067 typedef struct
00068 {
00069         char const *ch;
00070         double x, y, w, h, offset;
00071         bool needs_clip;
00072 } BracketElem;
00073 
00074 class Brackets: public Item
00075 {
00076 public:
00077         Brackets (Canvas *canvas, BracketsTypes type, BracketsUses use, char const *fontdesc, double x0, double y0, double x1, double y1);
00078         Brackets (Group *parent, BracketsTypes type, BracketsUses use, char const *fontdesc, double x0, double y0, double x1, double y1, ItemClient *client = NULL);
00079         ~Brackets ();
00080 
00089         void SetPosition (double x0, double y0, double x1, double y1);
00098         void GetPosition (double &x0, double &y0, double &x1, double &y1);
00099 
00100         // virtual methods
00108         double Distance (double x, double y, Item **item) const;
00115         void Draw (cairo_t *cr, bool is_vector) const;
00122         void Move (double x, double y);
00123 
00124 protected:
00128         void UpdateBounds ();
00129 
00130 private:
00131                 
00132 private:
00133         BracketsMetrics const *m_Metrics;
00134 //      std::string m_FontDesc;
00135         double m_x0, m_y0, m_x1, m_y1;
00136         std::list < BracketElem > m_Elems;
00137 
00146 GCCV_ITEM_POS_PROP (double, Size)
00147 GCCV_ITEM_POS_PROP (std::string, FontDesc)
00148 GCCV_ITEM_POS_PROP (BracketsTypes, Type)
00149 GCCV_ITEM_POS_PROP (BracketsUses, Used)
00158 GCCV_ITEM_PROP (GOColor, Color)
00159 };
00160 
00161 }
00162 
00163 #endif  //      GCCV_BRACKETS_H