#ifndef QSS_H
#define QSS_H

#include <QWidget>
#include <QMainWindow>
#include <QDialog>
#include <QMessageBox>
#include <QFrame>
#include <QDockWidget>
#include <QPushButton>

class QPushButton;
class QLabel;
class QMouseEvent;
#define STANDARD_DPI 96.0

typedef class ICallDPIChanged
{
    virtual void ScaleChanged(float scale) = 0;
    virtual WId GetWID() const = 0;
    virtual void SetScale(float scale) = 0;
}QssCallDpiChanged;

typedef class IDPIHelper
{
    virtual bool DPIChanged(unsigned short, WId) = 0;
    virtual void RemoveDPIRecord(WId) = 0;//移除指定native窗体的DPI记录 一般用于native窗体析构时
    virtual float GetDPIScale(WId) const = 0;
    virtual float GetOldDPIScale(WId) const = 0;
    virtual QString GetStyleSheet(WId) const = 0;//获取指定DPI下的样式表
    virtual float GetScaleNumber(float, WId) const = 0;//获取指定DPI下的数值 缩放后数值
    virtual QList<WId> GetAllWindowID() const = 0;//获取所有自己加载过皮肤的窗口ID

    //优化接口 主要是为了适配用户主机只有一种DPI时使用
    virtual bool IsOnlyOneDPI() const = 0;//获取用户主机是否只有一种DPI
    virtual void RefrushDPIRecords() = 0;//显示器数量发生了变化 刷新历史显示器DPI记录
    virtual void SetDefaultScale(float scale) = 0;//设置缺省DPI值 当显示器dpi只有一种时刷新
    virtual float GetDefaultScale() const = 0;//获取缺省DPI缩放值 只有当机器上所有的显示器为统一dpi时起作用
}QssDpiHelper;

IDPIHelper * GetDPIHelper();
#define DPIHelper() GetDPIHelper()
class QssPushButton : public QPushButton{
public:
    QssPushButton(QWidget *parent,QString objName);

};

class  QssTtitleBar : public QWidget
{
    Q_OBJECT

signals:
    void OnMaxOrRestore(bool );
public:
    enum QTitleBar_Button
    {
        QTitleBar_Button_Min = 		0x00000001,
        QTitleBar_Button_Max = 		0x00000002,
        QTitleBar_Button_Restore = 	0x00000004,
        QTitleBar_Button_Close = 	0x00000008
    };

    enum QTitleBar_Type
    {
        QTitleBar_Type_MainWindow = QTitleBar_Button_Min |
        QTitleBar_Button_Max |QTitleBar_Button_Restore | QTitleBar_Button_Close,
        QTitleBar_Type_Dialog = QTitleBar_Button_Close,
        QTitleBar_Type_MessageBox = QTitleBar_Button_Close
    };

    QssTtitleBar(QWidget *parent, QTitleBar_Type type = QTitleBar_Type_MainWindow);
    ~QssTtitleBar();

    void setTitle(QString title);
    void setIcon( QIcon icon);

    void setMaxOrRestore(bool val);
    bool maxOrRestore(){return m_maxOrRestore;}
    void SetMainWindow(QMainWindow*);
    QRect& normalRect(){return m_rcNormal;}

private slots:
    void onMaxOrRestore();

protected:
    void paintEvent(QPaintEvent *);
    void mouseMoveEvent(QMouseEvent * ev);
    void mousePressEvent(QMouseEvent * ev);
    void mouseReleaseEvent(QMouseEvent * ev);

    bool eventFilter(QObject * obj, QEvent * ev);

private:
    QPushButton* m_closeBtn;
    QPushButton* m_maxBtn;
    QPushButton* m_restoreBtn;
    QPushButton* m_minBtn;
    QPushButton* m_iconBtn;

    QLabel* m_titlebarTitle;
    QMainWindow *m_Main;
    bool m_maxOrRestore;
    bool m_pressed;

    QPoint m_pressedPos;

    QRect m_rcValid;//桌面最大可用尺寸
    QRect m_rcNormal;//还原后窗口尺寸

    QTitleBar_Type m_type;
};

class  QssMainWindow : public QMainWindow,ICallDPIChanged
{
    Q_OBJECT

public slots:
    void OnMaxOrRestore(bool max);
public:
    QssMainWindow(QWidget *parent = 0, Qt::WindowFlags flags = 0,float scale = 1);
    virtual ~QssMainWindow();

    void show();
    void showMinimized();
    void showMaximized();
    void showFullScreen();
    void showNormal();
    void setCursorShape(int CalPos)	;
    void setWindowTitle( QString title );
    void setWindowIcon( QIcon icon );
    int CalCursorPos(QPoint pt, int colPos);
    void SetTitleHeight(uint32_t height);
    inline QssTtitleBar* titleBar(){return m_titleBar;}
    inline QFrame* frame(){return m_frame;}
        int CalCursorCol(QPoint pt);    //计算鼠标X的位置

    virtual bool eventFilter(QObject * obj, QEvent * ev);

private:
    void onMouseMoveEvent(QMouseEvent * ev);
    void onMousePressEvent(QMouseEvent * ev);
    void onMouseReleaseEvent(QMouseEvent * ev);
protected:
    QFrame* m_frame;
    QRect mFrameRect;
    QRect mRect;
    QRect m_CentralRect;
    QssTtitleBar* m_titleBar;
    void showEvent(QShowEvent *ev);

    virtual void ScaleChanged(float scale) ;
    virtual WId GetWID() const;
    virtual void SetScale(float scale) ;
private:

    QRect m_rcValid;//桌面最大可用尺寸
    QRect m_rcNormal;//还原后窗口尺寸
    QRect m_rcNormalCentral;//还原后central widget的尺寸

    /**  边框调整大小相关 */
    QPoint m_pos;
    bool m_mousePressedInBoundy;
    bool m_left,m_right,m_top,m_bottom;


    int     m_iCalCursorPos;
    bool    m_bLeftPress;
    QRect   m_rtPreGeometry;
    QPoint  m_ptViewMousePos;
    float   m_scale;
};

class  QssDialog : public QDialog
{
    Q_OBJECT

public:
    QssDialog(QWidget *parent);
    virtual ~QssDialog();

    void show();
    void raise();
    void activateWindow();

    int exec();

    void setWindowTitle( QString title );
    void setWindowIcon( QIcon icon );

    inline QssTtitleBar* titleBar(){return m_titleBar;}
    inline QFrame* frame(){return m_frame;}

    virtual bool eventFilter(QObject * obj, QEvent * ev);

private:
    void onMouseMoveEvent(QMouseEvent * ev);
    void onMousePressEvent(QMouseEvent * ev);
    void onMouseReleaseEvent(QMouseEvent * ev);

private:
    QFrame* m_frame;
    QssTtitleBar* m_titleBar;

    QRect m_rcValid;
    QWidget* m_parent;

    /**  边框调整大小相关 */
    QRect mFrameRect;
    QPoint m_pos;
    bool m_mousePressedInBorder;
    bool m_left,m_right,m_top,m_bottom;

};


// 可停靠widget
class  QssDockWidget : public QDockWidget
{
    Q_OBJECT

public:
    QssDockWidget(QWidget *parent);
    virtual ~QssDockWidget();

    void show();
    void raise();
    void activateWindow();

    int exec();

    void setWindowTitle( QString title );
    void setWindowIcon( QIcon icon );
    void paintEvent(QPaintEvent *);
    inline QssTtitleBar* titleBar(){return m_titleBar;}
    inline QFrame* frame(){return m_frame;}

    virtual bool eventFilter(QObject * obj, QEvent * ev);

private:
    void onMouseMoveEvent(QMouseEvent * ev);
    void onMousePressEvent(QMouseEvent * ev);
    void onMouseReleaseEvent(QMouseEvent * ev);

private:
    QFrame* m_frame;
    QssTtitleBar* m_titleBar;

    QRect m_rcValid;
    QWidget* m_parent;

    /**  边框调整大小相关 */
    QRect mFrameRect;
    QPoint m_pos;
    bool m_mousePressedInBorder;
    bool m_left,m_right,m_top,m_bottom;

};

class  QssMessageBox : public QMessageBox
{
    Q_OBJECT

public:
    explicit QssMessageBox(QWidget *parent = 0);
    QssMessageBox(Icon icon, const QString &title, const QString &text,
        StandardButtons buttons = NoButton, QWidget *parent = 0,
        Qt::WindowFlags flags = Qt::Widget | Qt::FramelessWindowHint);
    ~QssMessageBox();

    inline QssTtitleBar* titleBar(){return m_titleBar;}
    inline QFrame* frame(){return m_frame;}

    static QMessageBox::StandardButton tips(const QString & text, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("提示"), StandardButtons btn = QMessageBox::Ok);
    static QMessageBox::StandardButton warn(const QString & text, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("警告"), StandardButtons btn = QMessageBox::Ok);
    static QMessageBox::StandardButton error(const QString & text, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("错误"), StandardButtons btn = QMessageBox::Ok);
    static QMessageBox::StandardButton ask(const QString & text, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("询问"), StandardButtons btn = QMessageBox::Yes | QMessageBox::No);

    /** 覆盖定义，适配原有QMessageBox */
    static StandardButton information(QWidget *parent, const QString &title,
        const QString &text, StandardButtons buttons = Ok,
        StandardButton defaultButton = NoButton);
    static StandardButton question(QWidget *parent, const QString &title,
        const QString &text, StandardButtons buttons = QMessageBox::Ok,
        StandardButton defaultButton = QMessageBox::NoButton);
    static StandardButton warning(QWidget *parent, const QString &title,
        const QString &text, StandardButtons buttons = QMessageBox::Ok,
        StandardButton defaultButton = QMessageBox::NoButton);
    static StandardButton critical(QWidget *parent, const QString &title,
        const QString &text, StandardButtons buttons = QMessageBox::Ok,
        StandardButton defaultButton = QMessageBox::NoButton);

    static QMessageBox::StandardButton regard(const QString & text, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("关于"));
    static QMessageBox::StandardButton regard(const QString & text, QIcon icon, QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("关于"));

    static QMessageBox::StandardButton regardQt(QWidget* parent = 0,
        const QString & title = QString::fromLocal8Bit("关于Qt"));

    static void about(QWidget *parent, const QString &title, const QString &text);
    static void about(QWidget *parent, const QString &title, const QString &text, QIcon icon);

    static void aboutQt(QWidget *parent, const QString &title = QString());

    bool eventFilter(QObject * obj, QEvent * ev);

private:
    QFrame* m_frame;
    QssTtitleBar* m_titleBar;
    QWidget* m_parent;

    QRect m_rcValid;
};

#define tipBox(text)   	QssMessageBox::tips(text)
#define warnBox(text)  	QssMessageBox::warn(text)
#define errBox(text)	QssMessageBox::error(text)
#define askBox(text)   	QssMessageBox::ask(text)

#define aboutBox(title, text)	QssMessageBox::regard(text, 0,title)
#define aboutQtBox()			QssMessageBox::regardQt()

#endif // QSS_H