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// HeaderCtrlCl.cpp : 实现文件
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//
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#include "stdafx.h"
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// #include "DemoList.h"
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#include "HeaderCtrlCl.h"
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// CHeaderCtrlCl
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IMPLEMENT_DYNAMIC(CHeaderCtrlCl, CHeaderCtrl)
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CHeaderCtrlCl::CHeaderCtrlCl()
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: m_R(171)
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, m_G(199)
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, m_B(235)
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, m_Gradient(8)
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{
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m_Format = "";
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m_Height = 1;
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m_fontHeight = 15;
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m_fontWith = 0;
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m_color = RGB(0,0,0);
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}
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CHeaderCtrlCl::~CHeaderCtrlCl()
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{
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}
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BEGIN_MESSAGE_MAP(CHeaderCtrlCl, CHeaderCtrl)
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ON_WM_PAINT()
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ON_MESSAGE(HDM_LAYOUT, OnLayout)
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END_MESSAGE_MAP()
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// CHeaderCtrlCl 消息处理程序
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void CHeaderCtrlCl::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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// TODO: 在此处添加消息处理程序代码
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// 不为绘图消息调用 CHeaderCtrl::OnPaint()
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int nItem;
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nItem = GetItemCount();//得到有几个单元
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for(int i = 0; i<nItem;i ++)
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{
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CRect tRect;
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GetItemRect(i,&tRect);//得到Item的尺寸
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int R = m_R,G = m_G,B = m_B;
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CRect nRect(tRect);//拷贝尺寸到新的容器中
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nRect.left++;//留出分割线的地方
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//绘制立体背景
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for(int j = tRect.top;j<=tRect.bottom;j++)
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{
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nRect.bottom = nRect.top+1;
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CBrush _brush;
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_brush.CreateSolidBrush(RGB(R,G,B));//创建画刷
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dc.FillRect(&nRect,&_brush); //填充背景
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_brush.DeleteObject(); //释放画刷
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R-=m_Gradient;G-=m_Gradient;B-=m_Gradient;
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if (R<0)R = 0;
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if (G<0)G = 0;
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if (B<0)B= 0;
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nRect.top = nRect.bottom;
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}
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dc.SetBkMode(TRANSPARENT);
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CFont nFont ,* nOldFont;
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//dc.SetTextColor(RGB(250,50,50));
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dc.SetTextColor(m_color);
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nFont.CreateFont(m_fontHeight,m_fontWith,0,0,0,FALSE,FALSE,0,0,0,0,0,0,_TEXT("宋体"));//创建字体
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nOldFont = dc.SelectObject(&nFont);
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UINT nFormat = 1;
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if (m_Format[i]=='0')
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{
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nFormat = DT_LEFT;
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tRect.left+=3;
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}
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else if (m_Format[i]=='1')
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{
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nFormat = DT_CENTER;
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}
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else if (m_Format[i]=='2')
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{
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nFormat = DT_RIGHT;
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tRect.right-=3;
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}
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TEXTMETRIC metric;
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dc.GetTextMetrics(&metric);
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int ofst = 0;
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ofst = tRect.Height() - metric.tmHeight;
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tRect.OffsetRect(0,ofst/2);
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dc.DrawText(m_HChar[i],&tRect,nFormat);
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dc.SelectObject(nOldFont);
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nFont.DeleteObject(); //释放字体
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}
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//画头部剩余部分
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CRect rtRect;
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CRect clientRect;
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GetItemRect(nItem - 1,rtRect);
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GetClientRect(clientRect);
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rtRect.left = rtRect.right+1;
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rtRect.right = clientRect.right;
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int R = m_R,G = m_G,B = m_B;
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CRect nRect(rtRect);
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//绘制立体背景
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for(int j = rtRect.top;j<=rtRect.bottom;j++)
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{
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nRect.bottom = nRect.top+1;
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CBrush _brush;
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_brush.CreateSolidBrush(RGB(R,G,B));//创建画刷
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dc.FillRect(&nRect,&_brush); //填充背景
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_brush.DeleteObject(); //释放画刷
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R-=m_Gradient;G-=m_Gradient;B-=m_Gradient;
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if (R<0)R = 0;
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if (G<0)G = 0;
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if (B<0)B= 0;
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nRect.top = nRect.bottom;
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}
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}
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LRESULT CHeaderCtrlCl::OnLayout( WPARAM wParam, LPARAM lParam )
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{
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LRESULT lResult = CHeaderCtrl::DefWindowProc(HDM_LAYOUT, 0, lParam);
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HD_LAYOUT &hdl = *( HD_LAYOUT * ) lParam;
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RECT *prc = hdl.prc;
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WINDOWPOS *pwpos = hdl.pwpos;
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//表头高度为原来1.5倍，如果要动态修改表头高度的话，将1.5设成一个全局变量
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int nHeight = (int)(pwpos->cy * m_Height);
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pwpos->cy = nHeight;
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prc->top = nHeight;
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return lResult;
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} |