QGIS API Documentation  3.13.0-Master (788156190c)
qgscodeeditorexpression.h
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1 /***************************************************************************
2  qgscodeeditorsql.h - A SQL editor based on QScintilla
3  --------------------------------------
4  Date : 06-Oct-2013
5  Copyright : (C) 2013 by Salvatore Larosa
6  Email : lrssvtml (at) gmail (dot) com
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 QGSCODEEDITOREXPRESSION_H
17 #define QGSCODEEDITOREXPRESSION_H
18 
19 #include "qgis_sip.h"
20 #include "qgis_gui.h"
21 #include "qgscodeeditor.h"
22 #include "qgsexpressioncontext.h"
23 
24 #include <Qsci/qscilexersql.h>
25 
26 SIP_IF_MODULE( HAVE_QSCI_SIP )
27 
28 
36 class GUI_EXPORT QgsCodeEditorExpression : public QgsCodeEditor
37 {
38  Q_OBJECT
39 
40  public:
42  QgsCodeEditorExpression( QWidget *parent SIP_TRANSFERTHIS = nullptr );
43 
49  void setExpressionContext( const QgsExpressionContext &context );
50 
54  void setFields( const QgsFields &fields );
55 
56  private:
57  void initializeLexer();
58  void updateApis();
59  QsciAPIs *mApis = nullptr;
60  QsciLexerSQL *mSqlLexer;
61 
62  QStringList mVariables;
63  QStringList mContextFunctions;
64  QStringList mFunctions;
65  QStringList mFieldNames;
66 };
67 
68 #ifndef SIP_RUN
69 
80 class QgsLexerExpression : public QsciLexerSQL
81 {
82  Q_OBJECT
83 
84  public:
86  explicit QgsLexerExpression( QObject *parent = nullptr );
87 
88  const char *language() const override;
89 
90  bool caseSensitive() const override;
91 
92  const char *wordCharacters() const override;
93 };
94 
95 class QgsSciApisExpression : public QsciAPIs
96 {
97  Q_OBJECT
98  public:
99  QgsSciApisExpression( QsciLexer *lexer );
100 
101  QStringList callTips( const QStringList &context, int commas, QsciScintilla::CallTipsStyle style, QList<int> &shifts ) override;
102 };
104 #endif
105 
106 #endif
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition: qgsexpressioncontext.h:371
QgsFields
Definition: qgsfields.h:42
QgsCodeEditor
Definition: qgscodeeditor.h:38
qgsexpressioncontext.h
qgis_sip.h
QgsCodeEditorExpression
Definition: qgscodeeditorexpression.h:36
qgscodeeditor.h
SIP_IF_MODULE
#define SIP_IF_MODULE(condition)
Definition: qgis_sip.h:28
SIP_TRANSFERTHIS
#define SIP_TRANSFERTHIS
Definition: qgis_sip.h:53