framelesshelper.h

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#pragma once
 
#include <QObject>
#include <QAbstractNativeEventFilter>
 
#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
#define QTRESULT qintptr
#else
#define QTRESULT long
#endif   // QTRESULT
 
class QWidget;
class FramelessHelperPrivate;
 
class FramelessHelper : public QObject, public QAbstractNativeEventFilter
{
    Q_OBJECT
public:
    explicit FramelessHelper(QObject *parent);
    ~FramelessHelper();
 
    void addWidget(QWidget *w);
    void removeWidget(QWidget *w);
 
    bool widgetResizable() const;
    void setWidgetResizable(bool resizable);
 
    bool widgetMovable() const;
    void setWidgetMovable(bool movable);
 
    int titleHeight() const;
    void setTitleHeight(int height);
 
    int borderWidth() const;
    void setBorderWidth(int width);
 
    void addCaptionClassName(const QString &name);
 
Q_SIGNALS:
    void windowIconChanged(const QIcon &icon);
    void windowTitleChanged(const QString &title);
    void windowStateChanged(Qt::WindowStates state);
protected:
    virtual bool eventFilter(QObject *object, QEvent *event);
    virtual bool nativeEventFilter(const QByteArray &eventType, void *message, QTRESULT *result);
private:
    FramelessHelperPrivate *d;
};