abstractfindwidget_p.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
 
#ifndef ABSTRACTFINDWIDGET_H
#define ABSTRACTFINDWIDGET_H
 
#include <QtGui/QIcon>
#include <QtWidgets/QWidget>
 
QT_BEGIN_NAMESPACE
 
class QAction;
class QCheckBox;
class QEvent;
class QKeyEvent;
class QLabel;
class QLineEdit;
class QObject;
class QToolButton;
 
class AbstractFindWidget : public QWidget
{
    Q_OBJECT
 
public:
    enum FindFlag {
        /// Use a layout that is roughly half as wide and twice as high as the regular one.
        NarrowLayout = 1,
        /// Do not show the "Whole words" checkbox.
        NoWholeWords = 2,
        /// Do not show the "Case sensitive" checkbox.
        NoCaseSensitive = 4
    };
    Q_DECLARE_FLAGS(FindFlags, FindFlag)
 
    explicit AbstractFindWidget(FindFlags flags = FindFlags(), QWidget *parent = 0);
    ~AbstractFindWidget() override;
 
    bool eventFilter(QObject *object, QEvent *e) override;
 
    static QIcon findIconSet();
    QAction *createFindAction(QObject *parent);
 
public slots:
    void activate();
    virtual void deactivate();
    void findNext();
    void findPrevious();
    void findCurrentText();
 
protected:
    void keyPressEvent(QKeyEvent *event) override;
 
private slots:
    void updateButtons();
 
protected:
    virtual void find(const QString &textToFind, bool skipCurrent, bool backward, bool *found, bool *wrapped) = 0;
 
    bool caseSensitive() const;
    bool wholeWords() const;
 
private:
    void findInternal(const QString &textToFind, bool skipCurrent, bool backward);
 
    QLineEdit *m_editFind;
    QLabel *m_labelWrapped;
    QToolButton *m_toolNext;
    QToolButton *m_toolClose;
    QToolButton *m_toolPrevious;
    QCheckBox *m_checkCase;
    QCheckBox *m_checkWholeWords;
};
 
Q_DECLARE_OPERATORS_FOR_FLAGS(AbstractFindWidget::FindFlags)
 
QT_END_NAMESPACE
 
#endif  // ABSTRACTFINDWIDGET_H