iconbutton_demo.zip_DEMO_bmp button

#include "stdafx.h" #include "IconButton.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif //////////////////////////////////////////////////////////////////////////// // Description : constructor with default settings // Parameter : - // Return : - // ....................................................................... // alexander.kloep@gmx.net ´2002 //////////////////////////////////////////////////////////////////////////// CIconButton::CIconButton() { m_fnt.FromHandle ( (HFONT)GetStockObject ( SYSTEM_FONT ) ); memset ( &m_TextMetrics, 0, sizeof ( TEXTMETRIC ) ); // m_bIconRight = false; m_nIconID = 0; // no icon m_nIcon.cx = ::GetSystemMetrics ( SM_CXICON ); // systemsize m_nIcon.cy = ::GetSystemMetrics ( SM_CYICON ); m_nColor = ::GetSysColor ( COLOR_BTNTEXT ); // systemcolor // // init for tip // m_sTip = ""; // no tiptext m_bTipIsOpen = false; // don´t show m_bWithTip = false; // no tip } //////////////////////////////////////////////////////////////////////////// // Description : destructor // Parameter : - // Return : - // ....................................................................... // alexander.kloep@gmx.net ´2002 //////////////////////////////////////////////////////////////////////////// CIconButton::~CIconButton() { m_fnt.DeleteObject(); } BEGIN_MESSAGE_MAP(CIconButton, CButton) //{{AFX_MSG_MAP(CIconButton) ON_WM_NCHITTEST() ON_WM_MOUSEMOVE() //}}AFX_MSG_MAP END_MESSAGE_MAP() //////////////////////////////////////////////////////////////////////////// // Description : called by the framework when a visual aspect of an // owner-drawn button has changed. an owner-drawn button has // the bs_ownerdrawn style set. // Parameter : - // Return : - // ....................................................................... // alexander.kloep@gmx.net ´2002 //////////////////////////////////////////////////////////////////////////// void CIconButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { CRect rect = lpDrawItemStruct->rcItem; CDC *pDC = CDC::FromHandle ( lpDrawItemStruct->hDC ); UINT state = lpDrawItemStruct->itemState; UINT uStyle = DFCS_BUTTONPUSH; bool bWithStr = true; HICON hIcon = NULL; int nHotkeyPos = 0; CString strText; CPoint TextPos; CPoint RecPos; CSize TextExtent; CPen HighlightPen ( PS_SOLID | PS_COSMETIC, 1, ::GetSysColor ( COLOR_3DHIGHLIGHT ) ); CPen DarkShadowPen ( PS_SOLID | PS_COSMETIC, 1, ::GetSysColor ( COLOR_3DDKSHADOW ) ); // ASSERT ( lpDrawItemStruct->CtlType == ODT_BUTTON ); // // first check if tip is open, -> close before other action // if ( state & ODS_SELECTED ) { if ( ( m_bWithTip ) && ( m_bTipIsOpen ) ) { HideTip (); } } // if ( lpDrawItemStruct->itemState & ODS_SELECTED ) uStyle |= DFCS_PUSHED; // // fit the buttonheight to the iconsize // CRect r = rect; r.bottom = m_nIcon.cy + 6; r.right = pDC->GetTextExtent ( strText ).cx + m_nIcon.cx + 6; pDC->SelectStockObject ( NULL_BRUSH ); pDC->FillSolidRect ( rect, ::GetSysColor ( COLOR_BTNFACE ) ); // // draw a frame around the button // ::DrawFrameControl ( lpDrawItemStruct->hDC, &lpDrawItemStruct->rcItem, DFC_BUTTON, uStyle ); // GetWindowText ( strText ); bWithStr = ! strText.IsEmpty (); // if ( bWithStr ) { nHotkeyPos = DelAmpersand ( strText ); pDC->SelectObject ( m_fnt ); TextExtent = pDC->GetTextExtent ( strText ); pDC->SetBkMode ( TRANSPARENT ); pDC->SetTextColor ( m_nColor ); // if ( m_nIconID ) { if ( m_bIconRight ) TextPos = CPoint ( (int)( ( rect.right - m_nIcon.cx ) / 2 - TextExtent.cx / 2 ), (int)( rect.bottom/2 - TextExtent.cy / 2 ) ); else TextPos = CPoint ( (int)( ( rect.right - m_nIcon.cx ) / 2 - TextExtent.cx / 2 ) + m_nIcon.cx, (int)( rect.bottom/2 - TextExtent.cy / 2 ) ); } // // without icon -> center text // else { TextPos = CPoint ( (int)(rect.right/2 - TextExtent.cx/2), (int)(rect.bottom/2 - TextExtent.cy/2) ); } // // calculate iconposition acording to the m_bIconRight-flag // if ( m_bIconRight ) RecPos = CPoint ( (rect.right - m_nIcon.cx - 6 ), (rect.Height () - m_nIcon.cy + 1 ) / 2 ); else RecPos = CPoint ( 6, (rect.Height () - m_nIcon.cy + 1 ) / 2 ); } // // without text -> center icon // else { RecPos = CPoint ( (int)( ( rect.right - m_nIcon.cx ) / 2 ), (int)( ( rect.bottom - m_nIcon.cy ) / 2 ) ); } // if ( m_nIconID != NULL ) hIcon = AfxGetApp()->LoadIcon ( MAKEINTRESOURCE ( m_nIconID ) ); // // move icon and text a little bit // if ( state & ODS_SELECTED ) { TextPos.Offset ( 1, 1 ); RecPos.Offset ( 1, 1); } // if ( state & ODS_DISABLED ) { CSize size ( m_nIcon.cx, m_nIcon.cy ); if ( bWithStr ) pDC->DrawState ( TextPos, TextExtent, strText, DSS_DISABLED, TRUE, 0, (HBRUSH)NULL); if ( hIcon != NULL ) { HICON hHelper = (HICON)CopyImage ( hIcon, IMAGE_ICON, m_nIcon.cx, m_nIcon.cy, LR_MONOCHROME ); pDC->DrawState ( RecPos, size, hHelper, DSS_DISABLED, (HBRUSH)NULL ); DestroyIcon ( (HICON)hHelper ); } } else { pDC->TextOut ( TextPos.x, TextPos.y, strText ); // // draw the icon // if ( hIcon != NULL ) { DrawIconEx ( pDC->GetSafeHdc (), rect.left + RecPos.x, rect.top + RecPos.y, hIcon, (m_nIcon.cx) ? m_nIcon.cx : 32, (m_nIcon.cy) ? m_nIcon.cy : 32, 0, NULL, DI_NORMAL ); } } // // if the button have the focus, draw the focus rect // if ( state & ODS_FOCUS ) { CBrush brush; brush.CreateSysColorBrush ( COLOR_3DDKSHADOW ); pDC->FrameRect ( rect, &brush ); rect.DeflateRect ( 4, 4, 4, 4 ); pDC->DrawFocusRect ( rect ); } // if ( lpDrawItemStruct->itemState & ODS_SELECTED ) { pDC->SelectObject ( DarkShadowPen ); pDC->MoveTo ( CPoint ( lpDrawItemStruct->rcItem.left, lpDrawItemStruct->rcItem.bottom-1 ) ); pDC->LineTo ( CPoint ( lpDrawItemStruct->rcItem.left, lpDrawItemStruct->rcItem.top ) ); pDC->LineTo ( CPoint ( lpDrawItemStruct->rcItem.right-1, lpDrawItemStruct->rcItem.top ) ); pDC->SelectObject ( HighlightPen ); pDC->LineTo ( CPoint ( lpDrawItemStruct->rcItem.right-1, lpDrawItemStruct->rcItem.bottom-1 ) ); pDC->LineTo ( CPoint ( lpDrawItemStruct->rcItem.left, lpDrawItemStruct->rcItem.bottom-1 ) ); } // // at the end, mark hotkey // if ( ( nHotkeyPos != -1 ) && ( bWithStr ) ) { CString sHlp = strText.Mid ( nHotkeyPos, 1 ); CSize nWidth = pDC->GetTextExtent ( sHlp ); sHlp = strText.Left ( nHotkeyPos ); CSize nStart = pDC->GetTextExtent ( sHlp ); // if ( state & ODS_DISABLED ) ; // no line -> plainest else { CPen HotkeyPen ( PS_SOLID | PS_COSMETIC, 1, m_nColor ); pDC->SelectObject ( HotkeyPen ); pDC->MoveTo ( TextPos.x + nStart.cx, TextPos.y + TextExtent.cy ); pDC->LineTo ( TextPos.x + nStart.cx + nWidth.cx, TextPos.y + TextExtent.cy ); } } } //////////////////////////////////////////////////////////////////////////// // Description : create a special font for the button // Parameter : - // Remark : specifies the pitch and family of the font "roman". // ....................................................................... // alexander.kloep@gmx.net ´2002 //////////////////////////////////////////////////////////////////////////// void CIconButton::NewFont() { m_fnt.DeleteObject (); m_fnt.CreateFont ( m_TextMetrics.tmHeight, // nHeight m_TextMetrics.tmMaxCharWidth, // nWidth 0, // nEscapement 0, // nOrientation m_TextMetrics.tmWeight, // nWeight m_TextMetrics.tmItalic, // bItalic m_TextMetrics.tmUnderlined, // bUnderline m_TextMetrics.tmStruckOut, // b