The Gnome Chemistry Utils  0.14.13
gcp/arrow.h
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1 // -*- C++ -*-
2 
3 /*
4  * GChemPaint library
5  * arrow.h
6  *
7  * Copyright (C) 2002-2012 Jean Bréfort <jean.brefort@normalesup.org>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 3 of the
12  * License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
22  * USA
23  */
24 
25 #ifndef GCHEMPAINT_ARROW_H
26 #define GCHEMPAINT_ARROW_H
27 
28 #include <gcu/object.h>
29 #include <gccv/item-client.h>
30 
32 namespace gcp {
33 
34 class Step;
35 
40 {
53 };
54 
57 class Arrow: public gcu::Object, public gccv::ItemClient
58 {
59 public:
66  Arrow(gcu::TypeId Type);
70  virtual ~Arrow();
71 
80  bool Load (xmlNodePtr node);
88  void SetSelected (int state);
97  void SetCoords (double xstart, double ystart, double xend, double yend);
106  bool GetCoords (double* xstart, double* ystart, double* xend, double* yend) const;
115  bool GetCoords (double *x, double *y, double *z = NULL) const;
123  void Move (double x, double y, double z = 0);
131  void Transform2D (gcu::Matrix2D& m, double x, double y);
136  double GetYAlign ();
143  std::string GetProperty (unsigned property) const;
156  bool SetProperty (unsigned property, char const *value);
163  void SetStartStep (Step *step) {m_Start = step;}
167  Step** GetStartStepPtr () {return &m_Start;}
171  Step* GetStartStep () const {return m_Start;}
178  void SetEndStep (Step *step) {m_End = step;}
182  Step* GetEndStep () const {return m_End;}
186  Step** GetEndStepPtr () {return &m_End;}
190  void Reverse ();
197  void RemoveStep (Step *step);
198 
199 protected:
207  bool Save (xmlDocPtr xml, xmlNodePtr node) const;
208 
212  std::string Name ();
213 
217  void OnLoaded ();
218 
219 protected:
223  double m_x;
227  double m_y;
231  double m_width;
235  double m_height;
236 
237 private:
238  Step *m_Start, *m_End;
239 
243 GCU_RO_PROP (double, Length)
244 };
245 
246 } // namespace gcp
247 
248 #endif //GCHEMPAINT_ARROW_H
the base class for objects associated with a canvas item.
Definition: item-client.h:44
GChemPaint specific C++ classes.
void RemoveStep(Step *step)
#define GCU_RO_PROP(type, member)
Definition: macros.h:117
virtual ~Arrow()
std::string Name()
void Reverse()
bool Load(xmlNodePtr node)
Step ** GetEndStepPtr()
Definition: gcp/arrow.h:186
unsigned TypeId
Definition: object.h:95
double GetYAlign()
void SetStartStep(Step *step)
Definition: gcp/arrow.h:163
void Transform2D(gcu::Matrix2D &m, double x, double y)
double m_height
Definition: gcp/arrow.h:235
ArrowTypes
Definition: gcp/arrow.h:39
void Move(double x, double y, double z=0)
std::string GetProperty(unsigned property) const
double m_x
Definition: gcp/arrow.h:223
void SetCoords(double xstart, double ystart, double xend, double yend)
double m_width
Definition: gcp/arrow.h:231
bool SetProperty(unsigned property, char const *value)
void OnLoaded()
bool Save(xmlDocPtr xml, xmlNodePtr node) const
Step * GetStartStep() const
Definition: gcp/arrow.h:171
Arrow(gcu::TypeId Type)
Step ** GetStartStepPtr()
Definition: gcp/arrow.h:167
parent class for reaction steps, mesomers, and more.
Definition: step.h:39
double m_y
Definition: gcp/arrow.h:227
void SetSelected(int state)
bool GetCoords(double *xstart, double *ystart, double *xend, double *yend) const
Step * GetEndStep() const
Definition: gcp/arrow.h:182
void SetEndStep(Step *step)
Definition: gcp/arrow.h:178