ZoomClick.h
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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/ZoomClick.h
22 
23  \brief This class implements a concrete tool to geographic zoom operation using the mouse click.
24 */
25 
26 #ifndef __TERRALIB_QT_WIDGETS_INTERNAL_ZOOMCLICK_H
27 #define __TERRALIB_QT_WIDGETS_INTERNAL_ZOOMCLICK_H
28 
29 // TerraLib
30 #include "../Config.h"
31 #include "Zoom.h"
32 
33 namespace te
34 {
35  namespace qt
36  {
37  namespace widgets
38  {
39 // Forward declarations
40  class MapDisplay;
41 
42  /*!
43  \class ZoomClick
44 
45  \brief This class implements a concrete tool to geographic zoom operation using the mouse click.
46 
47  \ingroup widgets
48  */
50  {
51  public:
52 
53  /** @name Initializer Methods
54  * Methods related to instantiation and destruction.
55  */
56  //@{
57 
58  /*!
59  \brief It constructs a zoom click tool associated with the given map display.
60 
61  \param display The map display associated with the tool.
62  \param cursor The tool cursor.
63  \param zoomFactor The factor used to zoom. i.e. A factor value of 2.0 (default) will generate a new extent twice (%) bigger or smaller.
64  \para zoomType The zoom operation type - ZoomIn | ZoomOut.
65  \param parent The tool's parent.
66 
67  \note The tool will NOT take the ownership of the given pointers.
68  */
69  ZoomClick(MapDisplay* display, const QCursor& cursor, const double& zoomFactor = 2.0, const ZoomType& type = In, QObject* parent = 0);
70 
71  /*! \brief Destructor. */
72  ~ZoomClick();
73 
74  //@}
75 
76  /** @name AbstractTool Methods
77  * Methods related with tool behavior.
78  */
79  //@{
80 
81  bool mousePressEvent(QMouseEvent* e);
82 
83  //@}
84  };
85 
86  } // end namespace widgets
87  } // end namespace qt
88 } // end namespace te
89 
90 #endif // __TERRALIB_QT_WIDGETS_INTERNAL_ZOOMCLICK_H
This is a utility class to geographic zoom operation.
Definition: Zoom.h:49
This is a utility class to geographic zoom operation.
A widget to control the display of a set of layers.
Definition: MapDisplay.h:69
ZoomType
Defines the zoom type.
Definition: Zoom.h:58
URI C++ Library.
This class implements a concrete tool to geographic zoom operation using the mouse click...
Definition: ZoomClick.h:49
#define TEQTWIDGETSEXPORT
You can use this macro in order to export/import classes and functions from this module.
Definition: Config.h:63