QSplitter 重新实现

CCustomSplitter效果如图：

///#include "MyCustomSplitter.h" 头文件

#ifndef MYSPLITTER_H
#define MYSPLITTER_H

#include <QToolButton>
//#include <QSplitterHandle>
#include <QSplitter>

enum SplitterHiddenDirection
{
SHD_None = 0,
SHD_Left,
SHD_Right,
SHD_Top,
SHD_Bottom
};

class CCustomSplitterHandle : public QSplitterHandle
{
Q_OBJECT
public:

CCustomSplitterHandle(Qt::Orientation o, SplitterHiddenDirection hsd, QSplitter *parent);

~CCustomSplitterHandle();

void setButtonChecked(bool checked);

signals:
void hideWidget(bool isHide);

public slots:
void onButtonclicked(bool checked);

private:

SplitterHiddenDirection m_enHiddenDirection;

QToolButton* m_pButton;
};

class CCustomSplitter : public QSplitter
{
Q_OBJECT
public:
CCustomSplitter(Qt::Orientation o, SplitterHiddenDirection shd, QWidget* parent = Q_NULLPTR);

void setHiddenDirection(SplitterHiddenDirection shd);

protected:
QSplitterHandle *createHandle();

public slots:
void onHideWidget(bool isHide);

void onSplitterMoved(int pos, int index);

private:
CCustomSplitterHandle* m_pSplitterHandle;
QByteArray m_oOldState;
SplitterHiddenDirection m_enHiddenDirection;
};

#endif

///#include "MyCustomSplitter.cpp"  源文件