PointPicker.h
Go to the documentation of this file.
1 /* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
2 
3  This file is part of the TerraLib - a Framework for building GIS enabled applications.
4 
5  TerraLib is free software: you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published by
7  the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  TerraLib is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with TerraLib. See COPYING. If not, write to
17  TerraLib Team at <terralib-team@terralib.org>.
18  */
19 
20 /*!
21  \file terralib/qt/widgets/tools/PointPicker.h
22 
23  \brief This class implements a concrete tool to geographic coordinate picker on mouse click operation.
24 */
25 
26 #ifndef __TERRALIB_QT_WIDGETS_INTERNAL_POINTPICKER_H
27 #define __TERRALIB_QT_WIDGETS_INTERNAL_POINTPICKER_H
28 
29 // TerraLib
30 #include "../Config.h"
31 #include "AbstractTool.h"
32 
33 // Forward declarations
34 class QPointF;
35 
36 namespace te
37 {
38  namespace qt
39  {
40  namespace widgets
41  {
42 // Forward declarations
43  class MapDisplay;
44 
45  /*!
46  \class PointPicker
47 
48  \brief This class implements a concrete tool to geographic coordinate picker on mouse click operation.
49  */
51  {
52  Q_OBJECT
53 
54  public:
55 
56  /** @name Initializer Methods
57  * Methods related to instantiation and destruction.
58  */
59  //@{
60 
61  /*!
62  \brief It constructs a coordinate tracking tool associated with the given map display.
63 
64  \param display The map display associated with the tool.
65  \param cursor The default tool cursor.
66  \param parent The tool's parent.
67 
68  \note The tool will NOT take the ownership of the given pointers.
69  */
70  PointPicker(MapDisplay* display, const QCursor& cursor, QObject* parent = 0);
71 
72  /*! \brief Destructor. */
73  ~PointPicker();
74 
75  //@}
76 
77  /** @name AbstractTool Methods
78  * Methods related with tool behavior.
79  */
80  //@{
81 
82  bool mouseReleaseEvent(QMouseEvent* e);
83 
84  //@}
85 
86  signals:
87 
88  /*! This signal is emitted when a coordinate was picked. */
89  void pointPicked(QPointF& coordinate);
90  };
91 
92  } // end namespace widgets
93  } // end namespace qt
94 } // end namespace te
95 
96 #endif // __TERRALIB_QT_WIDGETS_INTERNAL_POINTPICKER_H
Abstract tool concept.
A widget to control the display of a set of layers.
Definition: MapDisplay.h:69
This class defines an interface for objects that can receive application events and respond to them...
Definition: AbstractTool.h:62
URI C++ Library.
#define TEQTWIDGETSEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:63
This class implements a concrete tool to geographic coordinate picker on mouse click operation...
Definition: PointPicker.h:50