#pragma once

#include <QMdiSubWindow>
#include "IxDynObj.h"
#include "iPlugin_global.h"
#include <QWindowsStyle>
#include <QProxyStyle>
#include <QStyleOption>
#include <QPainter>
#include "iBase_global.h"
#include <QApplication>
#include <QMouseEvent>

class CustomStyle : public QProxyStyle
{
public:
    CustomStyle(QStyle *baseStyle = 0) : QProxyStyle(baseStyle) {}

    void drawComplexControl(ComplexControl control, const QStyleOptionComplex *option, QPainter *painter, const QWidget *widget) const
    {
        if(control == QStyle::CC_TitleBar)
        {
            const QStyleOptionTitleBar* styleOpt = qstyleoption_cast<const QStyleOptionTitleBar*>(option);
            if (styleOpt != nullptr)
            {
                painter->save();
                painter->setRenderHint(QPainter::Antialiasing);

                QRect rectMin = subControlRect(QStyle::CC_TitleBar, styleOpt, widget->isMinimized() ? QStyle::SC_TitleBarNormalButton : QStyle::SC_TitleBarMinButton, widget);
                QRect rectMax = subControlRect(QStyle::CC_TitleBar, styleOpt, widget->isMaximized() ? QStyle::SC_TitleBarNormalButton : QStyle::SC_TitleBarMaxButton, widget);
                QRect rectClose = subControlRect(QStyle::CC_TitleBar, styleOpt, QStyle::SC_TitleBarCloseButton, widget);

                painter->setBrush(styleOpt->state & State_Active ? QColor("#C0DCF2") : QColor("#DEF0FE"));
                painter->drawRect(styleOpt->rect);
                QRect rect = styleOpt->rect;
                //由于高度变化
                rectMin.setTop(0);rectMin.setHeight(rect.height());
                rectMax.setTop(0);rectMax.setHeight(rect.height());
                rectClose.setTop(0);rectClose.setHeight(rect.height());
                QSize IconSize = QSize(rect.height(), rect.height());

                // 关闭按钮
                QPixmap pixIconClose = zxLoadIcon("Titlebar_Close").pixmap(IconSize);
                drawButton(painter, rectClose, pixIconClose, IconSize);

                // 最大化按钮
                QPixmap pixIconMax = zxLoadIcon(widget->isMaximized() ? "Titlebar_Normal" : "Titlebar_Max").pixmap(IconSize);
                drawButton(painter, rectMax, pixIconMax, IconSize);

                // 最小化按钮
                QPixmap pixIconMin = zxLoadIcon(widget->isMinimized() ? "Titlebar_Normal" : "Titlebar_Min").pixmap(IconSize);
                drawButton(painter, rectMin, pixIconMin, IconSize);
                float fSize = (float) IconSize.height() * 2 / 3;
                // 图标和标题文本
                QRectF iconRect(rect.left() + 2, rect.top(), IconSize.height(), IconSize.height());
                QRectF rcIcon(iconRect.center().rx()-fSize/2, iconRect.center().ry() - fSize/2, fSize, fSize);
                painter->drawPixmap(rcIcon.toRect(), styleOpt->icon.pixmap(QSize(16, 16)));

                QRectF rcTitle(rcIcon.right() + fSize, rect.top(), rectMin.left() - (rcIcon.right() + fSize), IconSize.height());
                painter->drawText(rcTitle, styleOpt->text, QTextOption(Qt::AlignLeft | Qt::AlignVCenter));

                painter->restore();
                return;
            }
        }
        else
        {
            QProxyStyle::drawComplexControl(control, option, painter, widget);
        }

    }
    void drawButton(QPainter *painter, const QRectF &buttonRect, const QPixmap &icon, const QSize size) const
    {
        //绘制位置计算取1/2
        float fSize = (float) size.height() * 1 / 2;
        QRectF rcIcon(buttonRect.center().rx()-fSize/2, buttonRect.center().ry() - fSize/2, fSize, fSize);
        painter->drawPixmap(rcIcon.toRect(), icon);
    }
};

// 主要重载其信号响应
class I_PLUGIN_EXPORT MdiSubWindowEx :
        public QMdiSubWindow
{
    Q_OBJECT

public:
    MdiSubWindowEx(bool bNovelQss, QWidget* parent = 0);
    ~MdiSubWindowEx();

    void setBindingObj(IxDynObj* p);
    IxDynObj* getBindingObj();

protected:

    bool eventFilter(QObject*, QEvent*);

    void showEvent(QShowEvent *event);
    void hideEvent(QHideEvent* event);
    void changeEvent(QEvent* event);
    void closeEvent(QCloseEvent* event);
    void resizeEvent(QResizeEvent* event);
    void mouseDoubleClickEvent(QMouseEvent* event);

signals:
    // b:返回的是，是否允许关闭
    void sigConformClosing(bool& b);
    // 一旦关闭后，通知刷新状态
    void sigMdiClosed();

private:

    IxDynObj* m_pBindingObj; //这是绑定的Obj对象
};
//Mdi中的子项
class I_PLUGIN_EXPORT SubMdiSubWindowEx :
        public MdiSubWindowEx
{
    Q_OBJECT

public:
    SubMdiSubWindowEx(bool bNovelQss, QWidget* parent = 0);
    ~SubMdiSubWindowEx();
};