/*
CComBox控件属性必须为:
Owner Drawer : Variable
Has Strings : False;
Type: Drop List;
Sort:False
四个条件缺一不可
参考网站:
https://blog.csdn.net/wyansai/article/details/51002535?utm_source=blogxgwz0
https://blog.csdn.net/wyansai/article/details/50971959
*/
#include "stdafx.h"
#include "PngComboBox.h"
#include "resource.h"
IMPLEMENT_DYNAMIC(CPngComboBox, CComboBox)
BEGIN_MESSAGE_MAP(CPngComboBox, CComboBox)
ON_WM_PAINT()
ON_WM_MOUSEMOVE()
ON_WM_ERASEBKGND()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
ON_CONTROL_REFLECT(CBN_SELCHANGE, OnCbnSelchange)
END_MESSAGE_MAP()
//
//
CPngComboBox::CPngComboBox()
{
m_bOver = FALSE;
m_bArtFont = FALSE;
m_pBrsh = CBrush::FromHandle((HBRUSH)GetStockObject(NULL_BRUSH));
m_bgPen.CreatePen(PS_SOLID, 1, RGB(160, 31, 208));
m_font.CreateFont(15, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, _T("宋体"));
m_bDown = FALSE;
m_selItem = 666666666;
m_preSelItem = 666666666;
m_bFous = FALSE;
m_endIcon = NULL;
m_crFrame = DEF_FRAME_COLOR;
m_crBgTitle = DEF_BG_COLOR;
m_crBgSelected = DEF_SELECT_COLOR;
m_crBgNoSelected = DEF_BG_COLOR;
m_crArtFont = DEF_FRAME_COLOR;
m_norImg = NULL;
m_clickImg = NULL;
}
CPngComboBox::~CPngComboBox()
{
if(m_bgPen.m_hObject != NULL)
{
m_bgPen.DeleteObject();
}
if(m_pBrsh->m_hObject != NULL)
{
m_pBrsh->DeleteObject();
}
if(m_font.m_hObject != NULL)
{
m_font.DeleteObject();
}
for(auto *e : m_vecItemList)
{
if(e != NULL)
{
delete e;
}
}
}
void CPngComboBox::AddNewString(CString leftText, UINT icon, COLORREF leftColor)
{
ItemList *pItem = new ItemList;
pItem->clrLeft = leftColor;
pItem->hIcon = icon ? AfxGetApp()->LoadIcon(icon) : NULL;
pItem->strUrl = leftText;
pItem->iItem = AddString(leftText);
m_vecItemList.push_back(pItem);
}
void CPngComboBox::SetEndIcon(UINT endIcon)
{
m_endIcon = endIcon;
}
void CPngComboBox::SetRightButton(UINT norImg, UINT clickImg)
{
m_norImg = ImageFromResource(AfxGetInstanceHandle(), norImg, _T("PNG"));
m_clickImg = ImageFromResource(AfxGetInstanceHandle(), clickImg, _T("PNG"));
if(!m_norImg || !m_clickImg)
{
m_norImg = m_clickImg = NULL;
}
}
Image *CPngComboBox::ImageFromResource(HINSTANCE hInstance, UINT uImgID, LPCTSTR lpType)
{
HRSRC hResInfo = ::FindResource(hInstance, MAKEINTRESOURCE(uImgID), lpType);
if(hResInfo == NULL)
{
return NULL; //fail
}
DWORD dwSize;
dwSize = SizeofResource(hInstance, hResInfo); //get resource size(bytes)
HGLOBAL hResData;
hResData = ::LoadResource(hInstance, hResInfo);
if(hResData == NULL)
{
return NULL; //fail
}
HGLOBAL hMem;
hMem = ::GlobalAlloc(GMEM_MOVEABLE, dwSize);
if(hMem == NULL)
{
::FreeResource(hResData);
return NULL;
}
LPVOID lpResData, lpMem;
lpResData = ::LockResource(hResData);
lpMem = ::GlobalLock(hMem);
::CopyMemory(lpMem, lpResData, dwSize); //copy memory
::GlobalUnlock(hMem);
::FreeResource(hResData); //free memory
IStream *pStream;
HRESULT hr;
hr = ::CreateStreamOnHGlobal(hMem, TRUE, &pStream);//create stream object
Image *pImage = NULL;
if(SUCCEEDED(hr))
{
pImage = Image::FromStream(pStream);//get GDI+ pointer
pStream->Release();
}
::GlobalFree(hMem);
return pImage;
}
void CPngComboBox::SetComboColor(COLORREF crFrame, COLORREF crBgTitle, COLORREF crBgSelected, COLORREF crBgNoSelected)
{
m_crFrame = crFrame;
m_crBgTitle = crBgTitle;
m_crBgSelected = crBgSelected;
m_crBgNoSelected = crBgNoSelected;
}
void CPngComboBox::SetFontType(int fontSize, CString fontType, BOOL bArtFont, COLORREF crArtFont)
{
m_font.Detach();
LOGFONT lf;
memset(&lf, 0, sizeof(LOGFONT));
lf.lfHeight = fontSize;
_tcsncpy_s(lf.lfFaceName, LF_FACESIZE, fontType, fontType.GetLength());
VERIFY(m_font.CreateFontIndirect(&lf));
m_bArtFont = bArtFont;
m_crArtFont = crArtFont;
}
void CPngComboBox::OnNcPaint(CDC *pDC)
{
//绘制客户区
CDC dMemDC;
dMemDC.CreateCompatibleDC(pDC);
dMemDC.SetMapMode(pDC->GetMapMode());
//画动作
CBitmap mNewBmp;
CRect rc;
GetClientRect(&rc);
mNewBmp.CreateCompatibleBitmap(pDC, rc.right - rc.left, rc.bottom - rc.top);
CBitmap *pOldBmp = dMemDC.SelectObject(&mNewBmp);
CPen *pOldPen = dMemDC.SelectObject(&m_bgPen);
CBrush bgBs(m_crBgNoSelected);
CBrush *pOldBrsh = dMemDC.SelectObject(&bgBs);
dMemDC.Rectangle(&rc);
dMemDC.SelectObject(pOldPen);
dMemDC.SelectObject(&pOldBrsh);
if((GetCurSel() > 4) || (GetCurSel() < 0))
{
return;
}
PItemList pItem = m_vecItemList[GetCurSel()];
CPen m_penLeft;
CPen m_penRight;
CRect rcLeft, rcMid, rcRight;
rcLeft = rcMid = rcRight = rc;
dMemDC.SetBkMode(TRANSPARENT);
//画第一段图标
if(pItem->hIcon != NULL)
{
rcLeft.left = 5;
rcLeft.right = rcLeft.left + 16;
rcLeft.top += 4;
::DrawIconEx(dMemDC.m_hDC, rcLeft.left, rcLeft.top, pItem->hIcon, 16, 16, NULL, NULL, DI_NORMAL);
}
else
{
rcLeft.right = 0;
}
//画第二段文本
rcMid.left = rcLeft.right + 5;
CFont *pOldFont = dMemDC.SelectObject(&m_font);
DrawTextString(&dMemDC, pItem->strUrl, pItem->clrLeft, m_crArtFont, &rcMid);
dMemDC.SelectObject(pOldFont);
CRect rcEnd(rc);
rcEnd.left = rc.right - 22;
if(m_norImg == NULL)
{
if(m_bDown)
{
dMemDC.DrawFrameControl(&rcEnd, DFC_SCROLL, DFCS_SCROLLDOWN | DFCS_FLAT | DFCS_MONO | DFCS_PUSHED);
}
else
{
dMemDC.DrawFrameControl(&rcEnd, DFC_SCROLL, DFCS_SCROLLDOWN | DFCS_FLAT | DFCS_MONO);
}
}
else
{
Graphics graphics(dMemDC.m_hDC);
if(m_bDown)
{
graphics.DrawImage(m_norImg, rcEnd.left, rcEnd.top + 1, 20, 22);
}
else
{
graphics.DrawImage(m_clickImg, rcEnd.left, rcEnd.top + 1, 20, 22);
}
graphics.ReleaseHDC(dMemDC.m_hDC);
}
pDC->BitBlt(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, &dMemDC,
rc.left, rc.top, SRCCOPY);
//恢复
dMemDC.SelectObject(pOldBmp);
pOldBmp->DeleteObject();
dMemDC.DeleteDC();
}
void CPngComboBox::OnPaint()
{
CPaintDC dc(this); // device context for painting
OnNcPaint(&dc);
}
void CPngComboBox::DrawContent(UINT iState, CRect rcClient, CDC *pDC, int itemID)
{
PItemList pItem = m_vecItemList[itemID];
CPen m_penLeft;
CPen m_penRight;
CRect rcLeft, rcMid;
rcLeft = rcMid = rcClient;
pDC->SetBkMode(TRANSPARENT);
if(iState & ODS_SELECTED)
{
//及时更新选择区域
UpdateRect();
}
if(itemID == m_selItem)
{
CPen bgPen;
bgPen.CreatePen(PS_SOLID, 1, RGB(141, 178, 227));
CPen *pOldPen = pDC->SelectObject(&bgPen);
CBrush bgBs(m_crBgSelected);
CBrush *pOldBrush = pDC->SelectObject(&bgBs);
pDC->RoundRect(&rcClient, CPoint(5, 5));
pDC->SelectObject(pOldBrush);
pDC->SelectObject(pOldPen);
bgPen.DeleteObject();
}
else
{
CBrush bgBs(m_crBgNoSelected);
pDC->FillRect(&rcClient, &bgBs);
}
//画第一段图标
if(pItem->hIcon != NULL)
{
rcLeft.left = 5;
rcLeft.right = rcLeft.left + 16;
rcLeft.top += 4;
::DrawIconEx(pDC->m_hDC, rcLeft.left, rcLeft.top, pItem->hIcon, 16, 16, NULL, N
MFCApplication3.rar （27个子文件） 
MFCApplication3 
MFCApplication3Dlg.cpp 4KB MFCApplication3.vcxproj 10KB resource.h 912B MFCApplication3.h 561B PngComboBox.cpp 13KB Public.h 1KB stdafx.h 1021B MFCApplication3.vcxproj.user 238B MFCApplication3Dlg.h 747B MFCApplication3.cpp 2KB res 
png5.bmp 1KB MFCApplication3.rc2 814B
1.png 429B 2.png 213B icon3.ico 44KB icon1.ico 44KB icon2.ico 44KB MFCApplication3.ico 66KB bitmap1.bmp 1KB MFCApplication3.vcxproj.filters 3KB stdafx.cpp 217B PngComboBox.h 3KB MFCApplication3.aps 243KB MFCApplication3.rc 13KB Public.cpp 2KB targetver.h 314B MFCApplication3.sln 1KB
评论0