VC颜色按钮类方便设置

// ColorButton.cpp : implementation file // #include "ColorButton.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CColorButton CColorButton::CColorButton() { m_clrBack=RGB(161,192,245); m_clrFlatBack=GetSysColor(COLOR_3DFACE); m_blnMouseOn=FALSE; m_BackBrush.CreateSolidBrush(m_clrFlatBack); } CColorButton::~CColorButton() { m_BackBrush.DeleteObject(); } BEGIN_MESSAGE_MAP(CColorButton, CButton) //{{AFX_MSG_MAP(CColorButton) ON_WM_MOUSEMOVE() ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CColorButton message handlers void CColorButton::PreSubclassWindow() { CButton::PreSubclassWindow(); ModifyStyle(0, BS_OWNERDRAW); CRect rect; GetClientRect(rect); SetWindowRgn(NULL, FALSE); ClientToScreen(rect); CWnd* pParent = GetParent(); if (pParent) pParent->ScreenToClient(rect); MoveWindow(rect.left, rect.top, rect.Width(), rect.Height(), TRUE); } void CColorButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { ASSERT(lpDrawItemStruct != NULL); CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC); CRect rect = lpDrawItemStruct->rcItem; UINT state = lpDrawItemStruct->itemState; UINT nStyle = GetStyle(); CRgn rgn1,rgn2; int r1,g1,b1; pDC->SelectClipRgn(&rgn1); int nSavedDC = pDC->SaveDC(); CBrush brush1,brush2; if(!(nStyle&BS_NOTIFY)) { if ((state & ODS_FOCUS)||(state & ODS_SELECTED)) { if(intStyle!=2) { r1=GetRValue(m_clrBack); g1=GetGValue(m_clrBack); b1=GetBValue(m_clrBack); for(int i=rect.Height()/2;i>0;i--) { r1=(r1+10)>255?255:(r1+10); g1=(g1+10)>255?255:(g1+10); b1=(b1+10)>255?255:(b1+10); CPen pen(PS_SOLID, 1, RGB(r1, g1, b1)); CPen *old = pDC->SelectObject(&pen); pDC->MoveTo(rect.left,rect.top+i); pDC->LineTo(rect.right,rect.top+i); pDC->MoveTo(rect.left,rect.bottom-i); pDC->LineTo(rect.right,rect.bottom-i); pDC->SelectObject(old); } } else { pDC->FillSolidRect(rect,m_clrBack); } r1=(r1+30)>255?255:(r1+30); g1=(g1+30)>255?255:(g1+30); b1=(b1+30)>255?255:(b1+30); brush1.CreateSolidBrush(RGB(r1,g1,b1)); pDC->FrameRgn(&rgn1,&brush1,1,1); pDC->FrameRgn(&rgn2,&brush2,1,1); } else if(m_blnMouseOn) { if(intStyle!=2) { r1=GetRValue(m_clrBack); g1=GetGValue(m_clrBack); b1=GetBValue(m_clrBack); for(int i=rect.Height()/2;i>0;i--) { r1=(r1+10)>255?255:(r1+10); g1=(g1+10)>255?255:(g1+10); b1=(b1+10)>255?255:(b1+10); CPen pen(PS_SOLID, 1, RGB(r1, g1, b1)); CPen *old = pDC->SelectObject(&pen); pDC->MoveTo(rect.left,rect.top+i); pDC->LineTo(rect.right,rect.top+i); pDC->MoveTo(rect.left,rect.bottom-i); pDC->LineTo(rect.right,rect.bottom-i); pDC->SelectObject(old); } } else { pDC->FillSolidRect(rect,m_clrBack); } r1=(r1+30)>255?255:(r1+30); g1=(g1+30)>255?255:(g1+30); b1=(b1+30)>255?255:(b1+30); brush1.CreateSolidBrush(RGB(r1,g1,b1)); pDC->FrameRgn(&rgn1,&brush1,1,1); pDC->FrameRgn(&rgn2,&brush2,1,1); } else { if(nStyle&BS_FLAT) { CBrush bs; bs.CreateSolidBrush(m_clrFlatBack); CRect rcBack; GetClientRect(rcBack); pDC->FillRect(rcBack,&m_BackBrush); } else { if(intStyle!=2) { r1=GetRValue(m_clrBack); g1=GetGValue(m_clrBack); b1=GetBValue(m_clrBack); for(int i=rect.Height()/2;i>0;i--) { r1=(r1+13)>255?255:(r1+13); g1=(g1+13)>255?255:(g1+13); b1=(b1+13)>255?255:(b1+13); CPen pen(PS_SOLID, 1, RGB(r1, g1, b1)); CPen *old = pDC->SelectObject(&pen); pDC->MoveTo(rect.left,rect.top+i); pDC->LineTo(rect.right,rect.top+i); pDC->MoveTo(rect.left,rect.bottom-i); pDC->LineTo(rect.right,rect.bottom-i); pDC->SelectObject(old); } } else { pDC->FillSolidRect(rect,m_clrBack); } r1=GetRValue(m_clrBack); g1=GetGValue(m_clrBack); b1=GetBValue(m_clrBack); r1=(r1+30)>255?255:(r1+30); g1=(g1+30)>255?255:(g1+30); b1=(b1+30)>255?255:(b1+30); brush2.CreateSolidBrush(m_clrBack); brush1.CreateSolidBrush(RGB(r1,g1,b1)); pDC->FrameRgn(&rgn1,&brush1,1,1); pDC->FrameRgn(&rgn2,&brush2,1,1); } } } else { pDC->FillSolidRect(rect,m_clrBack); } } void CColorButton::SetBackColor(COLORREF color) { m_clrBack=color; this->Invalidate(TRUE); } void CColorButton::SetFlatBack(COLORREF colFlat) { m_clrFlatBack=colFlat; m_BackBrush.DeleteObject(); m_BackBrush.CreateSolidBrush(colFlat); this->Invalidate(TRUE); } void CColorButton::OnMouseMove(UINT nFlags, CPoint point) { CWnd *wndUnderMouse = NULL; CWnd *wndActive = this; TRACKMOUSEEVENT csTME; CButton::OnMouseMove(nFlags, point); ClientToScreen(&point); wndUnderMouse = WindowFromPoint(point); if (nFlags & MK_LBUTTON) return; wndActive = GetActiveWindow(); if (wndUnderMouse && wndUnderMouse->m_hWnd == m_hWnd && wndActive) { if (!m_blnMouseOn) { m_blnMouseOn = TRUE; Invalidate(); csTME.cbSize = sizeof(csTME); csTME.dwFlags = TME_LEAVE; csTME.hwndTrack = m_hWnd; ::_TrackMouseEvent(&csTME); } } else { m_blnMouseOn=FALSE; Invalidate(); } } LRESULT CColorButton::OnMouseLeave(WPARAM wParam, LPARAM lParam) { m_blnMouseOn=FALSE; Invalidate(); return 0; }