zhipuzi_pos_windows/lewaimai_dispatch/wnd/OrderListUI.h

#pragma once

inline double CalculateDelay(double state)
{
    return pow(state, 2);
}

class OrderListUI : public CTileLayoutUI
{
public:
    enum { SCROLL_TIMERID = 10 };

    OrderListUI() : m_uButtonState(0), m_dwDelayDeltaY(0), m_dwDelayNum(0), m_dwDelayLeft(0)
    {
        SetItemSize(CSize(1000, 200));
    }

    //刷新
    void Refresh();

    void DoEvent(TEventUI& event)
    {
        if(!IsMouseEnabled() && event.Type > UIEVENT__MOUSEBEGIN && event.Type < UIEVENT__MOUSEEND)
        {
            if(m_pParent != NULL)
            {
                m_pParent->DoEvent(event);
            }
            else
            {
                CTileLayoutUI::DoEvent(event);
            }
            return;
        }

        if(event.Type == UIEVENT_TIMER && event.wParam == SCROLL_TIMERID)
        {
            if((m_uButtonState & UISTATE_CAPTURED) != 0)
            {
                POINT pt = m_pManager->GetMousePos();
                LONG cy = (pt.y - m_ptLastMouse.y);
                m_ptLastMouse = pt;
                SIZE sz = GetScrollPos();
                sz.cy -= cy;
                SetScrollPos(sz);
                return;
            }
            else if(m_dwDelayLeft > 0)
            {
                --m_dwDelayLeft;
                SIZE sz = GetScrollPos();
                LONG lDeltaY = (LONG)(CalculateDelay((double)m_dwDelayLeft / m_dwDelayNum) * m_dwDelayDeltaY);
                if((lDeltaY > 0 && sz.cy != 0) || (lDeltaY < 0 && sz.cy != GetScrollRange().cy))
                {
                    sz.cy -= lDeltaY;
                    SetScrollPos(sz);
                    return;
                }
            }
            m_dwDelayDeltaY = 0;
            m_dwDelayNum = 0;
            m_dwDelayLeft = 0;
            m_pManager->KillTimer(this, SCROLL_TIMERID);
            return;
        }
        if(event.Type == UIEVENT_BUTTONDOWN && IsEnabled())
        {
            m_uButtonState |= UISTATE_CAPTURED;
            m_ptLastMouse = event.ptMouse;
            m_dwDelayDeltaY = 0;
            m_dwDelayNum = 0;
            m_dwDelayLeft = 0;
            ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_HAND)));
            m_pManager->SetTimer(this, SCROLL_TIMERID, 50U);
            return;
        }
        if(event.Type == UIEVENT_BUTTONUP)
        {
            if((m_uButtonState & UISTATE_CAPTURED) != 0)
            {
                m_uButtonState &= ~UISTATE_CAPTURED;
                ::SetCursor(::LoadCursor(NULL, MAKEINTRESOURCE(IDC_ARROW)));
                if(m_ptLastMouse.y != event.ptMouse.y)
                {
                    m_dwDelayDeltaY = (event.ptMouse.y - m_ptLastMouse.y);
                    if(m_dwDelayDeltaY > 120)
                    {
                        m_dwDelayDeltaY = 120;
                    }
                    else if(m_dwDelayDeltaY < -120)
                    {
                        m_dwDelayDeltaY = -120;
                    }
                    m_dwDelayNum = (DWORD)sqrt((double)abs(m_dwDelayDeltaY)) * 5;
                    m_dwDelayLeft = m_dwDelayNum;
                }
                else
                {
                    m_pManager->KillTimer(this, SCROLL_TIMERID);
                }
            }
            return;
        }
        if(event.Type == UIEVENT_SCROLLWHEEL)
        {
            LONG lDeltaY = 0;
            if(m_dwDelayNum > 0)
            {
                lDeltaY = (LONG)(CalculateDelay((double)m_dwDelayLeft / m_dwDelayNum) * m_dwDelayDeltaY);
            }
            switch(LOWORD(event.wParam))
            {
            case SB_LINEUP:
                if(m_dwDelayDeltaY >= 0)
                {
                    m_dwDelayDeltaY = lDeltaY + 8;
                }
                else
                {
                    m_dwDelayDeltaY = lDeltaY + 12;
                }
                break;
            case SB_LINEDOWN:
                if(m_dwDelayDeltaY <= 0)
                {
                    m_dwDelayDeltaY = lDeltaY - 8;
                }
                else
                {
                    m_dwDelayDeltaY = lDeltaY - 12;
                }
                break;
            }
            if(m_dwDelayDeltaY > 100)
            {
                m_dwDelayDeltaY = 100;
            }
            else if(m_dwDelayDeltaY < -100)
            {
                m_dwDelayDeltaY = -100;
            }
            m_dwDelayNum = (DWORD)sqrt((double)abs(m_dwDelayDeltaY)) * 5;
            m_dwDelayLeft = m_dwDelayNum;
            m_pManager->SetTimer(this, SCROLL_TIMERID, 50U);
            return;
        }
        CTileLayoutUI::DoEvent(event);
    }

private:
    UINT m_uButtonState;
    POINT m_ptLastMouse;
    LONG m_dwDelayDeltaY;
    DWORD m_dwDelayNum;
    DWORD m_dwDelayLeft;

    int m_status = 1; //1：未处理 2：已确认 3：配送中 4：成功 5：失败 6：退款中
};