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BOOL CMyButton::SetWindowText2(CString &str)
{
if(b_First)
{
CRect rect;
GetWindowRect(&rect);
GetParent()->ScreenToClient(rect);
TRACE("i_top=%d\n",rect.top);
i_left=rect.left;
i_top=rect.top;
i_right=rect.left+str.GetLength()*7;
i_Height=rect.Height();
b_First=0;
}
i_right=i_left+str.GetLength()*7;
SetWindowText(str);
MoveWindow(i_left,i_top,str.GetLength()*7,i_Height,1);
return 1;
}
我是这样做:MoveWindow里宽度str.GetLength()*7,设成文本长度的7倍,但这样遇到有英文的时候就不精确了;void CMyButton::OnMouseMove(UINT nFlags, CPoint point)
{
::SetBkColor(::CreateCompatibleDC(NULL),RGB(255,128,0));
// b_MouseIn=1;
CButton::OnMouseMove(nFlags, point);
}
LRESULT CMyButton::OnMouseLeave(WPARAM wParam, LPARAM lParam)
{
::SetBkColor(::CreateCompatibleDC(NULL),RGB(255,255,255));
//b_MouseIn=0;
return 0;
}
void CXPButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
//从lpDrawItemStruct获取控件的相关信息
CRect rect = lpDrawItemStruct->rcItem;
CDC *pDC=CDC::FromHandle(lpDrawItemStruct->hDC);
int nSaveDC=pDC->SaveDC();
UINT state = lpDrawItemStruct->itemState;
//POINT pt ;
TCHAR strText[MAX_PATH + 1];
::GetWindowText(m_hWnd, strText, MAX_PATH);
//画按钮的外边框,它是一个半径为5的圆角矩形
// pt.x = 0;
// pt.y = 0;
CPen* hOldPen = pDC->SelectObject(&m_BoundryPen);
pDC->Rectangle(&rect);
//获取按钮的状态
if (state & ODS_FOCUS)
{
m_bFocus = TRUE;
m_bSelected = TRUE;
}
else
{
m_bFocus = FALSE;
m_bSelected = FALSE;
}
if (state & ODS_SELECTED || state & ODS_DEFAULT)
{
m_bFocus = TRUE;
}
pDC->SelectObject(hOldPen);
rect.DeflateRect(CSize(GetSystemMetrics(SM_CXEDGE), GetSystemMetrics(SM_CYEDGE)));
//rect.DeflateRect(1, 1);
//根据按钮的状态填充按钮的底色
CBrush* pOldBrush;
if (m_bOver)
{
pOldBrush = pDC->SelectObject(&m_FillActive);
DoGradientFill(pDC, &rect);
}
else
{
pOldBrush = pDC->SelectObject(&m_FillInactive);
DoGradientFill(pDC, &rect);
}
//根据按钮的状态绘制内边框
if (m_bOver || m_bSelected)
DrawInsideBorder(pDC, &rect);
//if(m_bTracking)
// DrawFocusRect(pDC->m_hDC,rect);
// DrawTrack(pDC, &rect);
pDC->SelectObject(pOldBrush);
//显示按钮的文本
if (strText!=NULL)
{
// CFont* hFont = GetFont();
CFont* hFont=new CFont;
hFont->CreateFont(20,0,0,0,
FW_DONTCARE,
0,
0,
0,
DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH|FF_SWISS,
_T("宋体"));
CFont* hOldFont = pDC->SelectObject(hFont);
CSize szExtent = pDC->GetTextExtent(strText, lstrlen(strText));
CPoint pt( rect.CenterPoint().x - szExtent.cx / 2, rect.CenterPoint().y - szExtent.cy / 2);
if (state & ODS_SELECTED)
{
pt.Offset(1, 1);//点击后有向下动作
DrawTrack(pDC, &rect);
}
int nMode = pDC->SetBkMode(TRANSPARENT);
if (state & ODS_DISABLED)
pDC->DrawState(pt, szExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL);
else
pDC->DrawState(pt, szExtent, strText, DSS_NORMAL, TRUE, 0, (HBRUSH)NULL);
pDC->SelectObject(hOldFont);
pDC->SetBkMode(nMode);
if(strcmp(strTextBefore,strText)!=0)
{
CRect rect;
GetWindowRect(&rect);
GetParent()->ScreenToClient(rect);
if(b_First)
{
i_left=rect.left;
i_top=rect.top;
i_Height=rect.Height();
b_First=0;
}
i_right=rect.left+szExtent.cx+10;
MoveWindow(i_left,i_top,szExtent.cx+10,i_Height,1);
strcpy(strTextBefore,strText);
}
}
pDC->RestoreDC(nSaveDC);
}
void CMyStatic::OnPaint()
{
CPaintDC dc(this); // device context for painting
CRect rect;
GetClientRect( &rect );
CBrush BGBrush;
BGBrush.CreateSolidBrush(RGB(128,0,128));
dc.SelectObject(&BGBrush);
CPoint point(22,22);
dc.RoundRect(&rect,point);
dc.SetBkMode( TRANSPARENT );
CFont *pFont=new CFont;
pFont->CreateFont(22,0,0,0,
FW_BOLD,
0,
0,
0,
ANSI_CHARSET,
OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
DEFAULT_PITCH|FF_SWISS,
_T("宋体"));
CFont *pOldFont;
pOldFont=dc.SelectObject(pFont);
dc.SetTextColor(RGB(255,255,255));//设置文本颜色
dc.DrawText(m_strCaption,&rect,SS_CENTERIMAGE|DT_VCENTER|DT_LEFT|DT_EDITCONTROL|DT_WORDBREAK|DT_WORD_ELLIPSIS);//将文本画在Static的中央
dc.SelectObject(pOldFont);
BGBrush.DeleteObject();
delete pFont;
}
CStirng str1 = "不大明白,";
CString str2 = "那要怎么实现???";
rect2.CopyRect(&rect1);
rect2.top = rect1.bottom + 16; //设置上下字体间隔
rect2.bottom = rect2.top + rect1.Height();
dc.DrawText(str1,&rect1,DT_VCENTER|DT_SINGLELINE|DT_CENTER);//
dc.DrawText(str2,&rect2,DT_VCENTER|DT_SINGLELINE|DT_CENTER);//