File: qgsscalerangewidget.h

package info (click to toggle)
qgis 2.4.0-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 374,696 kB
  • ctags: 66,263
  • sloc: cpp: 396,139; ansic: 241,070; python: 130,609; xml: 14,884; perl: 1,290; sh: 1,287; sql: 500; yacc: 268; lex: 242; makefile: 168
file content (85 lines) | stat: -rw-r--r-- 2,704 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/***************************************************************************
   qgsscalerangewidget.h
    --------------------------------------
   Date                 : 25.04.2014
   Copyright            : (C) 2014 Denis Rouzaud
   Email                : denis.rouzaud@gmail.com
***************************************************************************
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/

#ifndef QGSSCALERANGEWIDGET_H
#define QGSSCALERANGEWIDGET_H

#include <QGridLayout>
#include <QLabel>
#include <QPushButton>


#include "qgscollapsiblegroupbox.h"
#include "qgsmaplayer.h"
#include "qgsmapcanvas.h"
#include "qgsscalecombobox.h"


class GUI_EXPORT QgsScaleRangeWidget : public QWidget
{
    Q_OBJECT

  public:
    explicit QgsScaleRangeWidget( QWidget *parent = 0 );
    ~QgsScaleRangeWidget();

    //! set the map canvas which will be used for the current scale buttons
    /**
     * @brief setMapCanvas set the map canvas which will be used for the current scale buttons
     * if not set, the buttons are hidden.
     */
    void setMapCanvas( QgsMapCanvas* mapCanvas );

    //! return the minimum scale
    double minimumScale();

    //! return the maximum scale
    double maximumScale();

    //! return the minimum scale denominator ( = 1 / maximum scale )
    double minimumScaleDenom();

    //! return the maximum scale denominator ( = 1 / minimum scale )
    double maximumScaleDenom();

    //! call to reload the project scales and apply them to the 2 scales combo boxes
    void reloadProjectScales();

  public slots:
    void setMinimumScale( double scale );

    void setMaximumScale( double scale );

    void setScaleRange( double min, double max );

  private slots:
    void setMaxScaleFromCanvas();
    void setMinScaleFromCanvas();

  private:
    //! pointer to the map canvas used for current buttons.
    QgsMapCanvas* mCanvas;

    // ui
    QGridLayout* mLayout;
    QLabel* mMaximumScaleIconLabel;
    QLabel* mMinimumScaleIconLabel;
    QPushButton* mMaximumScaleSetCurrentPushButton;
    QPushButton* mMinimumScaleSetCurrentPushButton;
    QgsScaleComboBox* mMaximumScaleComboBox;
    QgsScaleComboBox* mMinimumScaleComboBox;
};

#endif // QGSSCALERANGEWIDGET_H