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设置CListCtrl单元格的颜色

设置 颜色 单元格 CListCtrl
2023-06-13 09:12:22 时间

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pragma once

// CListCtrlCl

class CListCtrlCl : public CListCtrl
{
    DECLARE_DYNAMIC(CListCtrlCl)

public:
    CListCtrlCl();
    virtual ~CListCtrlCl();

protected:
    DECLARE_MESSAGE_MAP()
    virtual void PreSubclassWindow();
public:
    virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);

public:
    afx_msg void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
    void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);

public:
    CPtrList m_ptrListCol;  //保存列颜色
    CPtrList m_ptrListItem; //保存Item颜色表
    CPtrList m_colTextColor; //保存列字体颜色
    CPtrList m_ItemTextColor; //保存单元格字体颜色

    bool FindColColor(int col ,COLORREF &color); //查找列颜色
    bool FindItemColor(int col,int row,COLORREF &color);
    void SetColColor(int col,COLORREF color);  //设置列颜色
    void SetItemColor(int col,int row,COLORREF color); //设置Item颜色
    void SetColTextColor(int col,COLORREF color);   //设置列文本颜色
    void SetItemTextColor(int col,int row,COLORREF color);

    COLORREF m_color;
    BOOL SetTextColor(COLORREF cr);
public:
    // 字体高度
    int m_fontHeight;
    // 字体宽度
    int m_fontWith;
};

// ListCtrlCl.cpp : 实现文件
//

#include "stdafx.h"
#include "TestCtrlList.h"
#include "ListCtrlCl.h"

struct stColor
{
    int nRow;
    int nCol;
    COLORREF rgb;
};
// CListCtrlCl

IMPLEMENT_DYNAMIC(CListCtrlCl, CListCtrl)

CListCtrlCl::CListCtrlCl()

:m_fontHeight(12)
, m_fontWith(0)
{
    m_color = RGB(0,0,0);
}

CListCtrlCl::~CListCtrlCl()
{
}


BEGIN_MESSAGE_MAP(CListCtrlCl, CListCtrl)
    ON_WM_MEASUREITEM()
    ON_WM_MEASUREITEM_REFLECT()
END_MESSAGE_MAP()

// CListCtrlCl 消息处理程序

void CListCtrlCl::PreSubclassWindow()
{
    // TODO: 在此添加专用代码和/或调用基类
    ModifyStyle(0,LVS_OWNERDRAWFIXED);
    CListCtrl::PreSubclassWindow();
}

void CListCtrlCl::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
    // TODO: 添加您的代码以绘制指定项
    TCHAR lpBuffer[256];
    LV_ITEM lvi;

    lvi.mask = LVIF_TEXT | LVIF_PARAM ;
    lvi.iItem = lpDrawItemStruct->itemID ; 
    lvi.iSubItem = 0;
    lvi.pszText = lpBuffer ;
    lvi.cchTextMax = sizeof(lpBuffer);
    VERIFY(GetItem(&lvi));

    LV_COLUMN lvc, lvcprev ;
    ::ZeroMemory(&lvc, sizeof(lvc));
    ::ZeroMemory(&lvcprev, sizeof(lvcprev));
    lvc.mask = LVCF_WIDTH | LVCF_FMT;
    lvcprev.mask = LVCF_WIDTH | LVCF_FMT;

    CDC* pDC;
    pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
    CRect rtClient;
    GetClientRect(&rtClient);
    for ( int nCol=0; GetColumn(nCol, &lvc); nCol++)
    {
        if ( nCol > 0 ) 
        {
            // Get Previous Column Width in order to move the next display item
            GetColumn(nCol-1, &lvcprev) ;
            lpDrawItemStruct->rcItem.left += lvcprev.cx ;
            lpDrawItemStruct->rcItem.right += lpDrawItemStruct->rcItem.left; 
        }

        CRect rcItem;   
        if (!GetSubItemRect(lpDrawItemStruct->itemID,nCol,LVIR_LABEL,rcItem))   
            continue;   

        ::ZeroMemory(&lvi, sizeof(lvi));
        lvi.iItem = lpDrawItemStruct->itemID;
        lvi.mask = LVIF_TEXT | LVIF_PARAM;
        lvi.iSubItem = nCol;
        lvi.pszText = lpBuffer;
        lvi.cchTextMax = sizeof(lpBuffer);
        VERIFY(GetItem(&lvi));
        CRect rcTemp;
        rcTemp = rcItem;

        if (nCol==0)
        {
            rcTemp.left -=2;
        }

        if ( lpDrawItemStruct->itemState & ODS_SELECTED )
        {
            pDC->FillSolidRect(&rcTemp, GetSysColor(COLOR_HIGHLIGHT)) ;
            pDC->SetTextColor(GetSysColor(COLOR_HIGHLIGHTTEXT)) ;
        }
        else
        {
            COLORREF color;
            color = GetBkColor();
            pDC->FillSolidRect(rcTemp,color);

            if (FindColColor(nCol,color))
            {
                pDC->FillSolidRect(rcTemp,color);
            }

            if (FindItemColor(nCol,lpDrawItemStruct->itemID,color))
            {
                pDC->FillSolidRect(rcTemp,color);
            }           
        }
        pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT));
        UINT   uFormat    = DT_LEFT ;       
        TEXTMETRIC metric;
        pDC->GetTextMetrics(&metric);
        int ofst;
        ofst = rcItem.Height() - metric.tmHeight;
        rcItem.OffsetRect(0,ofst/2);
        pDC->SetTextColor(m_color);

        CFont nFont ,* nOldFont; 
        nFont.CreateFont(m_fontHeight,m_fontWith,0,0,0,FALSE,FALSE,0,0,0,0,0,0,_TEXT("宋体"));//创建字体 
        nOldFont = pDC->SelectObject(&nFont);
        DrawText(lpDrawItemStruct->hDC, lpBuffer, strlen(lpBuffer), &rcItem, uFormat) ;
        pDC->SelectStockObject(SYSTEM_FONT) ;
    }
}

void CListCtrlCl::OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
    // TODO: 在此添加消息处理程序代码和/或调用默认值

    CListCtrl::OnMeasureItem(nIDCtl, lpMeasureItemStruct);
}
void CListCtrlCl::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{

}

bool CListCtrlCl::FindColColor(int col,COLORREF &color) //查找列颜色
{
    int flag = 0;
    for (POSITION pos = m_ptrListCol.GetHeadPosition();pos!=NULL;)
    {
        stColor *pColor = (stColor*)m_ptrListCol.GetNext(pos);
        if (pColor->nCol==col)
        {
            flag = 1;
            color = pColor->rgb;
            break;
        }
    }
    if (1==flag)
    {
        return true;
    }
    return false;
}

bool CListCtrlCl::FindItemColor(int col,int row,COLORREF &color) //查找颜色
{
    int flag = 0;
    for (POSITION pos = m_ptrListItem.GetHeadPosition();pos!=NULL;)
    {
        stColor *pColor = (stColor*)m_ptrListItem.GetNext(pos);
        if (pColor->nCol==col&&pColor->nRow==row)
        {
            flag = 1;
            color = pColor->rgb;
            break;
        }
    }
    if (1==flag)
    {
        return true;
    }
    return false;
}

void CListCtrlCl::SetColColor(int col,COLORREF color) //设置列颜色
{
    stColor *pColor  = new stColor;
    pColor->nCol = col;
    pColor->rgb = color;
    m_ptrListCol.AddTail(pColor);
}

void CListCtrlCl::SetItemColor(int col,int row,COLORREF color) //设置格子颜色
{
    stColor *pColor  = new stColor;
    pColor->nCol = col;
    pColor->nRow = row;
    pColor->rgb = color;
    m_ptrListItem.AddTail(pColor);
}

BOOL CListCtrlCl::SetTextColor(COLORREF cr)  //设置字体颜色
{
    m_color = cr;
    return TRUE;
}

void CListCtrlCl::SetColTextColor(int col,COLORREF color)
{
    stColor *pColor = new stColor;
    pColor->nCol = col;
    pColor->rgb = color;
    m_colTextColor.AddTail(pColor);
}


void CListCtrlCl::SetItemTextColor(int col,int row,COLORREF color)
{
    stColor *pColor = new stColor;
    pColor->nCol = col;
    pColor->nRow = row;
    pColor->rgb = color;
    m_ItemTextColor.AddTail(pColor);
}

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