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BmpComBox.cpp
资源名称：src.zip　[点击查看]
上传用户：guangzhiyw
上传日期：2007-01-09
资源大小：495k
文件大小：4k
源码类别：

ICQ/即时通讯

开发平台：

Visual C++

BmpComBox.cpp：源码内容
  1. // BmpComBox.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "BmpComBox.h"
  7. #ifdef _DEBUG
  8. #define new DEBUG_NEW
  9. #undef THIS_FILE
  10. static char THIS_FILE[] = __FILE__;
  11. #endif
  13. /////////////////////////////////////////////////////////////////////////////
  14. // CBmpComBox
  16. CBmpComBox::CBmpComBox()
  17. {
  18. m_size=CSize(32,32);
  19. m_pimaList=NULL;
  20. }
  22. CBmpComBox::~CBmpComBox()
  23. {
  24. }
  27. BEGIN_MESSAGE_MAP(CBmpComBox, CComboBox)
  28. //{{AFX_MSG_MAP(CBmpComBox)
  29. // NOTE - the ClassWizard will add and remove mapping macros here.
  30. //}}AFX_MSG_MAP
  31. END_MESSAGE_MAP()
  33. /////////////////////////////////////////////////////////////////////////////
  34. // CBmpComBox message handlers
  36. void CBmpComBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
  37. {
  38. CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
  40. if (!IsWindowEnabled())
  41. {
  42.         CBrush brDisabled(RGB(192,192,192)); // light gray
  43. CBrush* pOldBrush = pDC->SelectObject(&brDisabled);
  44. CPen penDisabled(PS_SOLID, 1, RGB(192,192,192));
  45.         CPen* pOldPen = pDC->SelectObject(&penDisabled);
  46.         OnOutputBmp(lpDrawItemStruct, FALSE);
  47. pDC->SelectObject(pOldBrush);
  48. pDC->SelectObject(pOldPen);
  49. return;
  50. }
  52. // Selected
  53. if ((lpDrawItemStruct->itemState & ODS_SELECTED) 
  54. && (lpDrawItemStruct->itemAction & (ODA_SELECT | ODA_DRAWENTIRE))) 
  55. {
  56. CBrush brHighlight(::GetSysColor(COLOR_HIGHLIGHT)); 
  57. CBrush* pOldBrush = pDC->SelectObject(&brHighlight);
  58. CPen penHighlight(PS_SOLID, 1, ::GetSysColor(COLOR_HIGHLIGHT));
  59. CPen* pOldPen = pDC->SelectObject(&penHighlight);
  60. pDC->Rectangle(&lpDrawItemStruct->rcItem);
  61. pDC->SetBkColor(::GetSysColor(COLOR_HIGHLIGHT));
  62.         pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
  63. OnOutputBmp(lpDrawItemStruct, TRUE);
  64. pDC->SelectObject(pOldBrush);
  65. pDC->SelectObject(pOldPen);
  66. }
  68. // De-Selected
  69. if (!(lpDrawItemStruct->itemState & ODS_SELECTED) 
  70. && (lpDrawItemStruct->itemAction & (ODA_SELECT | ODA_DRAWENTIRE))) 
  71. {
  72. CBrush brWindow(::GetSysColor(COLOR_WINDOW)); 
  73. CBrush* pOldBrush = pDC->SelectObject(&brWindow);
  74. CPen penHighlight(PS_SOLID, 1, ::GetSysColor(COLOR_WINDOW));
  75. CPen* pOldPen = pDC->SelectObject(&penHighlight);
  76. pDC->Rectangle(&lpDrawItemStruct->rcItem);
  77. pDC->SetBkColor(::GetSysColor(COLOR_WINDOW));
  78.         pDC->SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
  79. OnOutputBmp(lpDrawItemStruct, FALSE);
  80. pDC->SelectObject(pOldBrush);
  81. pDC->SelectObject(pOldPen);
  82. }
  84.     // Focus
  85.     if (lpDrawItemStruct->itemAction & ODA_FOCUS) 
  86. { 
  87.         pDC->DrawFocusRect(&lpDrawItemStruct->rcItem);
  88.     }
  89. }
  91. void CBmpComBox::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) 
  92. {
  93. lpMeasureItemStruct->itemHeight = (m_size.cy + 2); 
  94. }
  96. void CBmpComBox::OnOutputBmp(LPDRAWITEMSTRUCT lpDrawItemStruct, BOOL bSelected)
  97. {
  98. if (GetCurSel() == CB_ERR || GetCount() == 0) 
  99. return; // no item selected
  100.     
  101. CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);
  103. int index=lpDrawItemStruct->itemData;
  105. int x = lpDrawItemStruct->rcItem.left + ((lpDrawItemStruct->rcItem.right - lpDrawItemStruct->rcItem.left) / 2) - (m_size.cx / 2);
  106. int y = lpDrawItemStruct->rcItem.top + ((lpDrawItemStruct->rcItem.bottom - lpDrawItemStruct->rcItem.top) / 2) - (m_size.cy / 2);
  108. m_pimaList->Draw(pDC,index,CPoint(x,y),ILD_NORMAL);
  109. }
  111. void CBmpComBox::SetImageList(CImageList *pList)
  112. {
  113. ASSERT(pList!=NULL);
  114. m_pimaList=pList;
  115. int i,index;
  116. for(i=0;i<pList->GetImageCount();i++)
  117. {
  118. index=AddString("");
  119. SetItemData(index,index);
  120. }
  121. IMAGEINFO iInfo;
  122. pList->GetImageInfo(0,&iInfo);
  123. m_size=CRect(iInfo.rcImage).Size();
  124. SetItemHeight(-1,m_size.cy);
  125. }
  127. void CBmpComBox::SetItemSize(CSize size)
  128. {
  129. m_size=size;
  130. SetItemHeight(-1,m_size.cy);
  131. }