ribbonbutton_p.h

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#pragma once
 
#include "ribbonbutton.h"
 
#include <QPainter>
#include <QStyleOptionToolButton>
#include <QStyle>
 
QX_RIBBON_BEGIN_NAMESPACE
 
class RibbonButtonPrivate
{
public:
    QX_DECLARE_PUBLIC(RibbonButton)
public:
    RibbonButtonPrivate();
    virtual ~RibbonButtonPrivate();
 
    QStyle *style() const;
 
    void recalcSizeHint(QStyleOptionToolButton &opt, QSize s);
    // 此函数用来计算icon和text的尺寸
    // 注意icon的尺寸依赖text，且只要知道字体大小就可以确定icon的高度
    void calcIconAndTextRect(const QStyleOptionToolButton &opt);
    // 在需要绘制文字的时候调用此函数，有些效果需要文字的文字改变
    QRect adjustedTextRect(const QStyleOptionToolButton &opt, const QWidget *w);
    QRect calcIndicatorArrowDownRect(const QStyleOptionToolButton &opt);
    virtual QPixmap createIconPixmap(const QStyleOptionToolButton &opt, const QSize &iconsize);
    // 根据鼠标位置更新按钮的信息
    void updateButtonState(const QPoint &pos);
 
    void drawButton(QStyleOptionToolButton &opt, QPainter &p, const QWidget *w);
    void drawIconAndLabel(QStyleOptionToolButton &opt, QPainter &p, const QWidget *w);
    void drawArrow(const QStyle *style, const QStyleOptionToolButton *toolbutton, const QRect &rect, QPainter *painter,
                   const QWidget *widget = Q_NULLPTR);
public:
    RibbonButton::RibbonButtonType m_buttonType;
    RibbonButton::LargeButtonType m_largeButtonType;
    bool m_mouseOnSubControl;   
    bool m_menuButtonPressed;
    bool m_isWordWrap;            
    int m_spacing;                
    QSize m_sizeHint;             
    QRect m_iconRect;             
    QRect m_textRect;             
    QRect m_indicatorArrowRect;   
 
    static bool s_isToolButtonTextShift;   
};
 
QX_RIBBON_END_NAMESPACE