QGIS API Documentation 3.27.0-Master (1d7a28cfd2)
qgsexpressionselectiondialog.h
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1/***************************************************************************
2 qgisexpressionselectiondialog.h
3 --------------------------------------
4 Date : 24.1.2013
5 Copyright : (C) 2013 by Matthias kuhn
6 Email : matthias at opengis dot ch
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#ifndef QGSEXPRESSIONSELECTIONDIALOG_H
17#define QGSEXPRESSIONSELECTIONDIALOG_H
18
19#include "ui_qgsexpressionselectiondialogbase.h"
20#include "qgis_sip.h"
21#include "qgshelp.h"
22
23#include <QDialog>
24#include "qgis_gui.h"
25
26class QgsMapCanvas;
27class QgsMessageBar;
28
36class GUI_EXPORT QgsExpressionSelectionDialog : public QDialog, private Ui::QgsExpressionSelectionDialogBase
37{
38 Q_OBJECT
39
40 public:
41
48 QgsExpressionSelectionDialog( QgsVectorLayer *layer, const QString &startText = QString(), QWidget *parent SIP_TRANSFERTHIS = nullptr );
49
54 QgsExpressionBuilderWidget *expressionBuilder();
55
60 void setExpressionText( const QString &text );
61
66 QString expressionText();
67
71 void setGeomCalculator( const QgsDistanceArea &da );
72
79 void setMessageBar( QgsMessageBar *messageBar );
80
85 void setMapCanvas( QgsMapCanvas *canvas );
86
87 private slots:
88 void mActionSelect_triggered();
89 void mActionAddToSelection_triggered();
90 void mActionRemoveFromSelection_triggered();
91 void mActionSelectIntersect_triggered();
92 void mButtonZoomToFeatures_clicked();
93 void mPbnClose_clicked();
94 void showHelp();
95
96 protected:
97
103 void closeEvent( QCloseEvent *closeEvent ) override;
104
110 void done( int r ) override;
111
112 private:
113 void saveRecent();
114 void pushSelectedFeaturesMessage();
115 QgsVectorLayer *mLayer = nullptr;
116 QgsMessageBar *mMessageBar = nullptr;
117 QgsMapCanvas *mMapCanvas = nullptr;
118
119};
120
121#endif
A general purpose distance and area calculator, capable of performing ellipsoid based calculations.
A reusable widget that can be used to build a expression string.
This class offers a dialog to change feature selections.
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:90
A bar for displaying non-blocking messages to the user.
Definition: qgsmessagebar.h:61
Represents a vector layer which manages a vector based data sets.
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53