新增sql连接，目前支持mysql、sqlite、oracle连接以及相关数据库操作

2026-06-26 10:36:47 +08:00
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+// This defines the interface to the QsciLexerPO class.
+//
+// Copyright (c) 2023 Riverbank Computing Limited <info@riverbankcomputing.com>
+// 
+// This file is part of QScintilla.
+// 
+// This file may be used under the terms of the GNU General Public License
+// version 3.0 as published by the Free Software Foundation and appearing in
+// the file LICENSE included in the packaging of this file.  Please review the
+// following information to ensure the GNU General Public License version 3.0
+// requirements will be met: http://www.gnu.org/copyleft/gpl.html.
+// 
+// If you do not wish to use this file under the terms of the GPL version 3.0
+// then you may purchase a commercial license.  For more information contact
+// info@riverbankcomputing.com.
+// 
+// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+
+
+#ifndef QSCILEXERPO_H
+#define QSCILEXERPO_H
+
+#include <QObject>
+
+#include <Qsci/qsciglobal.h>
+#include <Qsci/qscilexer.h>
+
+
+//! \brief The QsciLexerPO class encapsulates the Scintilla PO lexer.
+class QSCINTILLA_EXPORT QsciLexerPO : public QsciLexer
+{
+    Q_OBJECT
+
+public:
+    //! This enum defines the meanings of the different styles used by the
+    //! PO lexer.
+    enum {
+        //! The default.
+        Default = 0,
+
+        //! A comment.
+        Comment = 1,
+
+        //! A message identifier.
+        MessageId = 2,
+
+        //! The text of a message identifier.
+        MessageIdText = 3,
+
+        //! A message string.
+        MessageString = 4,
+
+        //! The text of a message string.
+        MessageStringText = 5,
+
+        //! A message context.
+        MessageContext = 6,
+
+        //! The text of a message context.
+        MessageContextText = 7,
+
+        //! The "fuzzy" flag.
+        Fuzzy = 8,
+
+        //! A programmer comment.
+        ProgrammerComment = 9,
+
+        //! A reference.
+        Reference = 10,
+
+        //! A flag.
+        Flags = 11,
+
+        //! A message identifier text end-of-line.
+        MessageIdTextEOL = 12,
+
+        //! A message string text end-of-line.
+        MessageStringTextEOL = 13,
+
+        //! A message context text end-of-line.
+        MessageContextTextEOL = 14
+    };
+
+    //! Construct a QsciLexerPO with parent \a parent.  \a parent is typically
+    //! the QsciScintilla instance.
+    QsciLexerPO(QObject *parent = 0);
+
+    //! Destroys the QsciLexerPO instance.
+    virtual ~QsciLexerPO();
+
+    //! Returns the name of the language.
+    const char *language() const;
+
+    //! Returns the name of the lexer.  Some lexers support a number of
+    //! languages.
+    const char *lexer() const;
+
+    //! Returns the foreground colour of the text for style number \a style.
+    //!
+    //! \sa defaultPaper()
+    QColor defaultColor(int style) const;
+
+    //! Returns the font for style number \a style.
+    QFont defaultFont(int style) const;
+
+    //! Returns the descriptive name for style number \a style.  If the
+    //! style is invalid for this language then an empty QString is returned.
+    //! This is intended to be used in user preference dialogs.
+    QString description(int style) const;
+
+    //! Causes all properties to be refreshed by emitting the propertyChanged()
+    //! signal as required.
+    void refreshProperties();
+
+    //! Returns true if multi-line comment blocks can be folded.
+    //!
+    //! \sa setFoldComments()
+    bool foldComments() const;
+
+    //! Returns true if trailing blank lines are included in a fold block.
+    //!
+    //! \sa setFoldCompact()
+    bool foldCompact() const;
+
+public slots:
+    //! If \a fold is true then multi-line comment blocks can be folded.
+    //! The default is false.
+    //!
+    //! \sa foldComments()
+    virtual void setFoldComments(bool fold);
+
+    //! If \a fold is true then trailing blank lines are included in a fold
+    //! block. The default is true.
+    //!
+    //! \sa foldCompact()
+    virtual void setFoldCompact(bool fold);
+
+protected:
+    //! The lexer's properties are read from the settings \a qs.  \a prefix
+    //! (which has a trailing '/') should be used as a prefix to the key of
+    //! each setting.  true is returned if there is no error.
+    //!
+    bool readProperties(QSettings &qs,const QString &prefix);
+
+    //! The lexer's properties are written to the settings \a qs.
+    //! \a prefix (which has a trailing '/') should be used as a prefix to
+    //! the key of each setting.  true is returned if there is no error.
+    //!
+    bool writeProperties(QSettings &qs,const QString &prefix) const;
+
+private:
+    void setCommentProp();
+    void setCompactProp();
+
+    bool fold_comments;
+    bool fold_compact;
+
+    QsciLexerPO(const QsciLexerPO &);
+    QsciLexerPO &operator=(const QsciLexerPO &);
+};
+
+#endif