请教关于重载CEdit类的问题(光标位置错误)

Question

我重载了WM_NCPAINT, WM_PAINT, 但是每次重绘的时候,光标位置都会错误,
我没有控制画光标,如果我不重载WM_PAINT的话,光标输出是正确的,到底是什么
原因呢?谢谢附:哪里有xp风格的edit控件下载呢?谢谢

Answer 1

该一下就是xp风格的edit
CFlatEdit::CFlatEdit()
{

m_clrHilite = GetSysColor(COLOR_BTNHIGHLIGHT);
m_clrShadow = GetSysColor(COLOR_BTNSHADOW);
m_clrDkShad = GetSysColor(COLOR_3DDKSHADOW);
m_clrButton = GetSysColor(COLOR_BTNFACE);
m_bDrawGripper = TRUE;
m_bDrawSeperator = TRUE;
m_bFlatStyle = TRUE;}CFlatEdit::~CFlatEdit()
{
}
BEGIN_MESSAGE_MAP(CFlatEdit, CEdit)
//{{AFX_MSG_MAP(CFlatEdit)
ON_WM_LBUTTONDOWN()
ON_WM_PAINT()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_SYSCOLORCHANGE()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CFlatEdit message handlers
void CFlatEdit::OnMouseMove(UINT nFlags, CPoint point) 
{
SetTimer(1, 10, NULL);
CEdit::OnMouseMove(nFlags, point);
}void CFlatEdit::OnLButtonDown(UINT nFlags, CPoint point) 
{
m_bLBtnDown = true;
CEdit::OnLButtonDown(nFlags, point);
}void CFlatEdit::OnLButtonUp(UINT nFlags, CPoint point) 
{
m_bLBtnDown = false;
CEdit::OnLButtonUp(nFlags, point);
}void CFlatEdit::OnTimer(UINT nIDEvent) 
{
POINT pt;
GetCursorPos(&pt);
CRect rcItem;
GetWindowRect(&rcItem); static bool bPainted = false; if(!rcItem.PtInRect(pt)) {
KillTimer(1);
DrawEdit(FE_MOUSEOUT, m_clrButton, m_clrButton);
return;
}
else {
DrawEdit(FE_MOUSEOVER, m_clrShadow, m_clrHilite);
} CEdit::OnTimer(nIDEvent);
}void CFlatEdit::OnPaint() 
{
Default();
DrawEdit(FE_MOUSEOUT, m_clrButton, m_clrButton);}void CFlatEdit::OnSysColorChange() 
{
CEdit::OnSysColorChange();
m_clrHilite = GetSysColor(COLOR_BTNHIGHLIGHT);
m_clrShadow = GetSysColor(COLOR_BTNSHADOW);
m_clrDkShad = GetSysColor(COLOR_3DDKSHADOW);
m_clrButton = GetSysColor(COLOR_BTNFACE);

}void CFlatEdit::DrawEdit(int style, COLORREF clrTopLeft, COLORREF clrBottomRight)
{
CRect rcItem;
CRect rcGripper;
CRect rcSeperator; GetClientRect(&rcItem);
GetClientRect(&rcGripper);
GetClientRect(&rcSeperator); CDC* pDC = GetDC();
COLORREF clrBlack;
clrBlack = RGB(0, 0, 0); if(m_bFlatStyle)
{
pDC->Draw3dRect(rcItem, clrTopLeft, clrBottomRight);
rcItem.InflateRect(1,1);

if (!IsWindowEnabled()) {
pDC->Draw3dRect(rcItem, m_clrHilite, m_clrHilite);
}

else {
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);
} rcItem.InflateRect(1,1);
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);
rcItem.InflateRect(1,1);
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);
rcItem.InflateRect(1,1);
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);

rcItem.DeflateRect(4, 4); if(m_bDrawGripper)
{
rcGripper.top = rcItem.top;
rcGripper.bottom = rcItem.bottom;
rcGripper.left -= 4;
rcGripper.right = rcGripper.left +2;
pDC->Draw3dRect(rcGripper, m_clrHilite, m_clrShadow);
rcGripper.left -= 3;
rcGripper.right = rcGripper.left +2;
pDC->Draw3dRect(rcGripper, m_clrHilite, m_clrShadow);
}
if(m_bDrawSeperator)
{
rcSeperator.top = rcItem.top;
rcSeperator.bottom = rcItem.bottom;
rcSeperator.left = rcItem.right + 2;
rcSeperator.right = rcSeperator.left + 2;
pDC->Draw3dRect(rcSeperator, m_clrShadow, m_clrHilite);
}


if (!IsWindowEnabled()) {
return;
}

if(style == FE_MOUSEOVER)
{
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton); //added this
rcItem.top -= 1; //added this
rcItem.left -= 1;
rcItem.bottom += 1;
rcItem.right += 1; //added this
pDC->Draw3dRect(rcItem, m_clrShadow, m_clrHilite); //was hilite, shadow
}
}
else { pDC->Draw3dRect(rcItem, clrBlack, clrBlack);
rcItem.InflateRect(1, 1);
pDC->Draw3dRect(rcItem, clrBlack, clrBlack);
pDC->Draw3dRect(rcItem, clrBlack, clrBlack);
rcItem.InflateRect(1,1); pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);
rcItem.InflateRect(1,1);
pDC->Draw3dRect(rcItem, m_clrButton, m_clrButton);
rcItem.DeflateRect(4, 4);

if(m_bDrawGripper)
{
rcGripper.top = rcItem.top - 2;
rcGripper.bottom = rcItem.bottom + 2;
rcGripper.left -= 6;
rcGripper.right = rcGripper.left + 2;
pDC->Draw3dRect(rcGripper, clrBlack, clrBlack);
rcGripper.left -= 3;
rcGripper.right -= 3;
pDC->Draw3dRect(rcGripper, clrBlack, clrBlack);
} if(m_bDrawSeperator)
{
rcSeperator.top = rcItem.top - 2;
rcSeperator.bottom = rcItem.bottom + 2;
rcSeperator.left = rcItem.right + 4;
rcSeperator.right = rcSeperator.left + 2;
pDC->Draw3dRect(rcSeperator, clrBlack, clrBlack);
}
} ReleaseDC(pDC);
}void CFlatEdit::SetIndent(int margin)
{
SetMargins(margin, 1);
}