The Gnome Chemistry Utils  0.15.1
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  virtual 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 ();
146  bool SetProperty (unsigned property, char const *value);
153  void SetStartStep (Step *step) {m_Start = step;}
157  Step** GetStartStepPtr () {return &m_Start;}
161  Step* GetStartStep () const {return m_Start;}
168  void SetEndStep (Step *step) {m_End = step;}
172  Step* GetEndStep () const {return m_End;}
176  Step** GetEndStepPtr () {return &m_End;}
180  void Reverse ();
187  void RemoveStep (Step *step);
188 
189 protected:
197  bool Save (xmlDocPtr xml, xmlNodePtr node) const;
198 
202  std::string Name ();
203 
207  void OnLoaded ();
208 
209 protected:
213  double m_x;
217  double m_y;
221  double m_width;
225  double m_height;
226 
227 private:
228  Step *m_Start, *m_End;
229 
233 GCU_RO_PROP (double, Length)
234 GCU_PROT_PROP (double, MinLength);
235 };
236 
237 } // namespace gcp
238 
239 #endif //GCHEMPAINT_ARROW_H
the base class for objects associated with a canvas item.
Definition: item-client.h:44
void RemoveStep(Step *step)
#define GCU_RO_PROP(type, member)
Definition: macros.h:142
virtual ~Arrow()
std::string Name()
void Reverse()
bool Load(xmlNodePtr node)
Step ** GetEndStepPtr()
Definition: gcp/arrow.h:176
unsigned TypeId
Definition: object.h:95
double GetYAlign()
void SetStartStep(Step *step)
Definition: gcp/arrow.h:153
void Transform2D(gcu::Matrix2D &m, double x, double y)
#define GCU_PROT_PROP(type, member)
Definition: macros.h:199
double m_height
Definition: gcp/arrow.h:225
ArrowTypes
Definition: gcp/arrow.h:39
void Move(double x, double y, double z=0)
double m_x
Definition: gcp/arrow.h:213
double m_width
Definition: gcp/arrow.h:221
bool SetProperty(unsigned property, char const *value)
void OnLoaded()
bool Save(xmlDocPtr xml, xmlNodePtr node) const
Step * GetStartStep() const
Definition: gcp/arrow.h:161
Arrow(gcu::TypeId Type)
Step ** GetStartStepPtr()
Definition: gcp/arrow.h:157
parent class for reaction steps, mesomers, and more.
Definition: step.h:39
double m_y
Definition: gcp/arrow.h:217
void SetSelected(int state)
bool GetCoords(double *xstart, double *ystart, double *xend, double *yend) const
Step * GetEndStep() const
Definition: gcp/arrow.h:172
void SetEndStep(Step *step)
Definition: gcp/arrow.h:168
virtual void SetCoords(double xstart, double ystart, double xend, double yend)