90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
/* syntax_line_edit.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef SYNTAX_LINE_EDIT_H
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#define SYNTAX_LINE_EDIT_H
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#include <QLineEdit>
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class QCompleter;
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class QStringListModel;
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// Autocompletion is partially implemented. Subclasses must:
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// - Provide buildCompletionList
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// - Call setCompletionTokenChars
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class SyntaxLineEdit : public QLineEdit
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{
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Q_OBJECT
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Q_PROPERTY(SyntaxState syntaxState READ syntaxState)
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Q_ENUMS(SyntaxState)
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public:
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explicit SyntaxLineEdit(QWidget *parent = 0);
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enum SyntaxState { Empty, Invalid, Deprecated, Valid };
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SyntaxState syntaxState() const { return syntax_state_; }
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void setSyntaxState(SyntaxState state = Empty);
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QString syntaxErrorMessage();
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QString styleSheet() const;
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QString deprecatedToken();
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void setCompleter(QCompleter *c);
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QCompleter *completer() const { return completer_; }
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public slots:
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void setStyleSheet(const QString &style_sheet);
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// Insert filter text at the current position, adding spaces where needed.
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void insertFilter(const QString &filter);
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// Built-in syntax checks. Connect textChanged to these as needed.
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void checkDisplayFilter(QString filter);
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void checkFieldName(QString field);
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void checkInteger(QString number);
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protected:
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QCompleter *completer_;
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QStringListModel *completion_model_;
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void setCompletionTokenChars(const QString &token_chars) { token_chars_ = token_chars; }
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bool isComplexFilter(const QString &filter);
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virtual void buildCompletionList(const QString&) { }
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// x = Start position, y = length
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QPoint getTokenUnderCursor();
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void completionKeyPressEvent(QKeyEvent *event);
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void completionFocusInEvent(QFocusEvent *event);
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private:
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SyntaxState syntax_state_;
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QString style_sheet_;
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QString state_style_sheet_;
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QString deprecated_token_;
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QString syntax_error_message_;
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QString token_chars_;
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private slots:
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void insertFieldCompletion(const QString &completion_text);
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signals:
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};
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#endif // SYNTAX_LINE_EDIT_H
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