www.gusucode.com > 一个VC++ GUI测试程序-源码程序 > 一个VC++ GUI测试程序-源码程序/code/xShadeButton.cpp
// CxShadeButton.cpp : implementation file /** 12/05/2001 v1.00 * - ing.davide.pizzolato@libero.it ** 23/05/2001 v1.10 * - added text shift on button down * - fixed many CxDib bugs * - fixed SHS_HARDBUMP bug * - added icon support * - added text alignment * - added flat style ** 16/06/2001 v1.20 * - fixed keyboard shortcut bug * - check box & radio button add on by Rainer@Mangold.com * - 2nd icon & 2nd tooltip add on by Rainer@Mangold.com ** 03/08/2001 v1.30 * - fixed SetIcon bug * - added Font support ** 23/09/2001 v1.40 * - fixed memory leakage bug in DrawItem() (by David Scambler <dave@bmm.com.au>) * - fixed memory leakage bug in SetIcon() (by Orioli Alessandro <aorioli@temaweb.it>) * - fixed second tooltip initialization bug (by Jesper Kinn錽) * - added multiline tooltip support (thanks to Derek Lakin) * - fixed OnLButtonUp() problem with drag & drop. (by Hyeonsoo Jung <debussy2k@hanmail.net>) ** 28/10/2001 v1.41 * - fixed memory leakage bug in SetIcon() and in the destructor. * - added 3rd icon for highlighted state. */ #include "stdafx.h" #include "xShadeButton.h" // Download by http://www.NewXing.com #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CxDib (under development) ///////////////////////////////////////////////////////////////////// CxDib::CxDib() { hDib=NULL; memset(&m_bi,0,sizeof(BITMAPINFOHEADER)); m_bi.biSize = sizeof(BITMAPINFOHEADER); m_LineWidth=0; m_nColors=0; } ///////////////////////////////////////////////////////////////////// CxDib::~CxDib() { if (hDib) free(hDib); } ///////////////////////////////////////////////////////////////////// bool CxDib::IsWin30Dib(){ return ((*(LPDWORD)(hDib))==sizeof(BITMAPINFOHEADER)); } ///////////////////////////////////////////////////////////////////// WORD CxDib::GetPaletteSize() { // if (IsWin30Dib()) return (m_nColors * sizeof(RGBQUAD)); // else return (m_nColors * sizeof(RGBTRIPLE)); } ///////////////////////////////////////////////////////////////////// BYTE* CxDib::GetBits() { if (hDib) return ((BYTE*)hDib + *(LPDWORD)hDib + GetPaletteSize()); return NULL; } ///////////////////////////////////////////////////////////////////// HDIB CxDib::Create(DWORD dwWidth, DWORD dwHeight, WORD wBitCount) { LPBITMAPINFOHEADER lpbi; // pointer to BITMAPINFOHEADER DWORD dwLen; // size of memory block if (hDib) free(hDib); hDib=NULL; // Make sure bits per pixel is valid if (wBitCount <= 1) wBitCount = 1; else if (wBitCount <= 4) wBitCount = 4; else if (wBitCount <= 8) wBitCount = 8; else wBitCount = 24; switch (wBitCount){ case 1: m_nColors = 2; break; case 4: m_nColors = 16; break; case 8: m_nColors = 256; break; default: m_nColors = 0; } m_LineWidth = WIDTHBYTES(wBitCount * dwWidth); // initialize BITMAPINFOHEADER m_bi.biSize = sizeof(BITMAPINFOHEADER); m_bi.biWidth = dwWidth; // fill in width from parameter m_bi.biHeight = dwHeight; // fill in height from parameter m_bi.biPlanes = 1; // must be 1 m_bi.biBitCount = wBitCount; // from parameter m_bi.biCompression = BI_RGB; m_bi.biSizeImage = m_LineWidth * dwHeight; m_bi.biXPelsPerMeter = 0; m_bi.biYPelsPerMeter = 0; m_bi.biClrUsed = 0; m_bi.biClrImportant = 0; // calculate size of memory block required to store the DIB. This // block should be big enough to hold the BITMAPINFOHEADER, the color // table, and the bits dwLen = GetSize(); //hDib = malloc(dwLen); // alloc memory block to store our bitmap hDib = new (HDIB[dwLen]); //fixes allocation problem under Win2k if (!hDib) return NULL; // use our bitmap info structure to fill in first part of // our DIB with the BITMAPINFOHEADER lpbi = (LPBITMAPINFOHEADER)(hDib); *lpbi = m_bi; return hDib; //return handle to the DIB } ///////////////////////////////////////////////////////////////////// long CxDib::Draw(HDC pDC, long xoffset, long yoffset) { if((hDib)&&(pDC)) { //palette must be correctly filled LPSTR lpDIB = (char*)hDib; //set image to hdc... SetStretchBltMode(pDC,COLORONCOLOR); SetDIBitsToDevice(pDC, xoffset, yoffset, m_bi.biWidth, m_bi.biHeight, 0, 0, 0, m_bi.biHeight, GetBits(), (BITMAPINFO*)lpDIB, DIB_RGB_COLORS); return 1; } return 0; } ///////////////////////////////////////////////////////////////////// long CxDib::Stretch(HDC pDC, long xoffset, long yoffset, long xsize, long ysize) { if((hDib)&&(pDC)) { //palette must be correctly filled LPSTR lpDIB = (char*)hDib; //set image to hdc... SetStretchBltMode(pDC,COLORONCOLOR); StretchDIBits(pDC, xoffset, yoffset, xsize, ysize, 0, 0, m_bi.biWidth, m_bi.biHeight, GetBits(),(BITMAPINFO*)lpDIB,DIB_RGB_COLORS,SRCCOPY); return 1; } return 0; } ///////////////////////////////////////////////////////////////////// void CxDib::SetPaletteIndex(BYTE idx, BYTE r, BYTE g, BYTE b) { if ((hDib)&&(m_nColors)){ BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); if ((idx>=0)&&(idx<m_nColors)){ long ldx=idx*sizeof(RGBQUAD); iDst[ldx++] = (BYTE) b; iDst[ldx++] = (BYTE) g; iDst[ldx++] = (BYTE) r; iDst[ldx] = (BYTE) 0; } } } ///////////////////////////////////////////////////////////////////// void CxDib::SetPaletteIndex(BYTE idx, RGBQUAD c) { if ((hDib)&&(m_nColors)){ BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); if ((idx>=0)&&(idx<m_nColors)){ long ldx=idx*sizeof(RGBQUAD); iDst[ldx++] = (BYTE) c.rgbBlue; iDst[ldx++] = (BYTE) c.rgbGreen; iDst[ldx++] = (BYTE) c.rgbRed; iDst[ldx] = (BYTE) 0; } } } ///////////////////////////////////////////////////////////////////// void CxDib::SetPaletteIndex(BYTE idx, COLORREF cr) { if ((hDib)&&(m_nColors)){ BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); if ((idx>=0)&&(idx<m_nColors)){ long ldx=idx*sizeof(RGBQUAD); iDst[ldx++] = (BYTE) GetBValue(cr); iDst[ldx++] = (BYTE) GetGValue(cr); iDst[ldx++] = (BYTE) GetRValue(cr); iDst[ldx] = (BYTE) 0; } } } ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::GetPaletteIndex(BYTE idx) { RGBQUAD rgb = {0,0,0,0}; if ((hDib)&&(m_nColors)){ BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); if ((idx>=0)&&(idx<m_nColors)){ long ldx=idx*sizeof(RGBQUAD); rgb.rgbBlue = iDst[ldx++]; rgb.rgbGreen=iDst[ldx++]; rgb.rgbRed =iDst[ldx]; rgb.rgbReserved = 0; } } return rgb; } ///////////////////////////////////////////////////////////////////// BYTE CxDib::GetPixelIndex(long x,long y) { if ((hDib==NULL)||(m_nColors==0)|| (x<0)||(y<0)||(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return 0; BYTE* iDst = GetBits(); return iDst[(m_bi.biHeight - y - 1)*m_LineWidth + x]; } ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::GetPixelColor(long x,long y) { RGBQUAD rgb={0,0,0,0}; if ((hDib==NULL)||(x<0)||(y<0)|| (x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return rgb; if (m_nColors) return GetPaletteIndex(GetPixelIndex(x,y)); else { BYTE* iDst = GetBits()+(m_bi.biHeight - y - 1)*m_LineWidth + x*sizeof(RGBQUAD); rgb.rgbBlue = *iDst++; rgb.rgbGreen= *iDst++; rgb.rgbRed =*iDst; return rgb; } } ///////////////////////////////////////////////////////////////////// void CxDib::SetPixelIndex(long x,long y,BYTE i) { if ((hDib==NULL)||(m_nColors==0)|| (x<0)||(y<0)||(x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return ; BYTE* iDst = GetBits(); iDst[(m_bi.biHeight - y - 1)*m_LineWidth + x]=i; } ///////////////////////////////////////////////////////////////////// void CxDib::SetPixelColor(long x,long y,COLORREF cr) { SetPixelColor(x,y,RGB2RGBQUAD(cr)); } ///////////////////////////////////////////////////////////////////// void CxDib::SetPixelColor(long x,long y,RGBQUAD c) { if ((hDib==NULL)||(x<0)||(y<0)|| (x>=m_bi.biWidth)||(y>=m_bi.biHeight)) return; if (m_nColors) SetPixelIndex(x,y,GetNearestIndex(c)); else { BYTE* iDst = GetBits()+(m_bi.biHeight - y - 1)*m_LineWidth + x*sizeof(RGBQUAD); *(RGBQUAD*)iDst = c; } } ///////////////////////////////////////////////////////////////////// BYTE CxDib::GetNearestIndex(RGBQUAD c) { if ((hDib==NULL)||(m_nColors==0)) return 0; BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); long distance=200000; BYTE i,j; long k,l; for(i=0,l=0;i<m_nColors;i++,l+=sizeof(RGBQUAD)){ k = (iDst[l]-c.rgbBlue)*(iDst[l]-c.rgbBlue)+ (iDst[l+1]-c.rgbGreen)*(iDst[l+1]-c.rgbGreen)+ (iDst[l+2]-c.rgbRed)*(iDst[l+2]-c.rgbRed); if (k==0){ j=i; break; } if (k<distance){ distance=k; j=i; } } return j; } ///////////////////////////////////////////////////////////////////// #define HSLMAX 240 /* H,L, and S vary over 0-HSLMAX */ #define RGBMAX 255 /* R,G, and B vary over 0-RGBMAX */ /* HSLMAX BEST IF DIVISIBLE BY 6 */ /* RGBMAX, HSLMAX must each fit in a byte. */ /* Hue is undefined if Saturation is 0 (grey-scale) */ /* This value determines where the Hue scrollbar is */ /* initially set for achromatic colors */ #define UNDEFINED (HSLMAX*2/3) ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::RGBtoHSL(RGBQUAD lRGBColor) { BYTE R,G,B; /* input RGB values */ BYTE H,L,S; /* output HSL values */ BYTE cMax,cMin; /* max and min RGB values */ WORD Rdelta,Gdelta,Bdelta; /* intermediate value: % of spread from max*/ R = lRGBColor.rgbRed; /* get R, G, and B out of DWORD */ G = lRGBColor.rgbGreen; B = lRGBColor.rgbBlue; cMax = max( max(R,G), B); /* calculate lightness */ cMin = min( min(R,G), B); L = (((cMax+cMin)*HSLMAX)+RGBMAX)/(2*RGBMAX); if (cMax==cMin){ /* r=g=b --> achromatic case */ S = 0; /* saturation */ H = UNDEFINED; /* hue */ } else { /* chromatic case */ if (L <= (HSLMAX/2)) /* saturation */ S = (((cMax-cMin)*HSLMAX)+((cMax+cMin)/2))/(cMax+cMin); else S = (((cMax-cMin)*HSLMAX)+((2*RGBMAX-cMax-cMin)/2))/(2*RGBMAX-cMax-cMin); /* hue */ Rdelta = ( ((cMax-R)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin); Gdelta = ( ((cMax-G)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin); Bdelta = ( ((cMax-B)*(HSLMAX/6)) + ((cMax-cMin)/2) ) / (cMax-cMin); if (R == cMax) H = Bdelta - Gdelta; else if (G == cMax) H = (HSLMAX/3) + Rdelta - Bdelta; else /* B == cMax */ H = ((2*HSLMAX)/3) + Gdelta - Rdelta; if (H < 0) H += HSLMAX; if (H > HSLMAX) H -= HSLMAX; } RGBQUAD hsl={L,S,H,0}; return hsl; } ///////////////////////////////////////////////////////////////////// WORD CxDib::HueToRGB(WORD n1,WORD n2,WORD hue) { /* range check: note values passed add/subtract thirds of range */ if (hue < 0) hue += HSLMAX; if (hue > HSLMAX) hue -= HSLMAX; /* return r,g, or b value from this tridrant */ if (hue < (HSLMAX/6)) return ( n1 + (((n2-n1)*hue+(HSLMAX/12))/(HSLMAX/6)) ); if (hue < (HSLMAX/2)) return ( n2 ); if (hue < ((HSLMAX*2)/3)) return ( n1 + (((n2-n1)*(((HSLMAX*2)/3)-hue)+(HSLMAX/12))/(HSLMAX/6))); else return ( n1 ); } ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::HSLtoRGB(COLORREF cHSLColor) { return HSLtoRGB(RGB2RGBQUAD(cHSLColor)); } ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::HSLtoRGB(RGBQUAD lHSLColor) { WORD hue,lum,sat; BYTE R,G,B; /* RGB component values */ WORD Magic1,Magic2; /* calculated magic numbers (really!) */ hue = lHSLColor.rgbRed; /* get H, S, and L out of DWORD */ sat = lHSLColor.rgbGreen; lum = lHSLColor.rgbBlue; if (sat == 0) { /* achromatic case */ R=G=B=(lum*RGBMAX)/HSLMAX; } else { /* chromatic case */ /* set up magic numbers */ if (lum <= (HSLMAX/2)) Magic2 = (lum*(HSLMAX + sat) + (HSLMAX/2))/HSLMAX; else Magic2 = lum + sat - ((lum*sat) + (HSLMAX/2))/HSLMAX; Magic1 = 2*lum-Magic2; /* get RGB, change units from HSLMAX to RGBMAX */ R = (HueToRGB(Magic1,Magic2,(WORD)(hue+(HSLMAX/3)))*RGBMAX+(HSLMAX/2))/HSLMAX; G = (HueToRGB(Magic1,Magic2,hue)*RGBMAX + (HSLMAX/2)) / HSLMAX; B = (HueToRGB(Magic1,Magic2,(WORD)(hue-(HSLMAX/3)))*RGBMAX+(HSLMAX/2))/HSLMAX; } RGBQUAD rgb={B,G,R,0}; return rgb; } ///////////////////////////////////////////////////////////////////// RGBQUAD CxDib::RGB2RGBQUAD(COLORREF cr) { RGBQUAD c; c.rgbRed = GetRValue(cr); /* get R, G, and B out of DWORD */ c.rgbGreen = GetGValue(cr); c.rgbBlue = GetBValue(cr); c.rgbReserved=0; return c; } ///////////////////////////////////////////////////////////////////// COLORREF CxDib::RGBQUAD2RGB (RGBQUAD c) { return RGB(c.rgbRed,c.rgbGreen,c.rgbBlue); } ///////////////////////////////////////////////////////////////////// void CxDib::SetGrayPalette() { if ((hDib==NULL)||(m_nColors==0)) return; RGBQUAD pal[256]; RGBQUAD* ppal; BYTE* iDst; int ni; ppal=(RGBQUAD*)&pal[0]; iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); for (ni=0;ni<m_nColors;ni++){ pal[ni]=RGB2RGBQUAD(RGB(ni,ni,ni));} pal[0]=RGB2RGBQUAD(RGB(0,0,0)); pal[m_nColors-1]=RGB2RGBQUAD(RGB(255,255,255)); memcpy(iDst,ppal,GetPaletteSize()); } ///////////////////////////////////////////////////////////////////// void CxDib::BlendPalette(COLORREF cr,long perc) { if ((hDib==NULL)||(m_nColors==0)) return; BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER); long i,r,g,b; RGBQUAD* pPal=(RGBQUAD*)iDst; r = GetRValue(cr); g = GetGValue(cr); b = GetBValue(cr); if (perc>100) perc=100; for(i=0;i<m_nColors;i++){ pPal[i].rgbBlue=(BYTE)((pPal[i].rgbBlue*(100-perc)+b*perc)/100); pPal[i].rgbGreen =(BYTE)((pPal[i].rgbGreen*(100-perc)+g*perc)/100); pPal[i].rgbRed =(BYTE)((pPal[i].rgbRed*(100-perc)+r*perc)/100); } } ///////////////////////////////////////////////////////////////////// long CxDib::WriteBMP(LPSTR bmpFileName) { if ((*bmpFileName=='\0')||(hDib==0)) return 0; BITMAPFILEHEADER hdr; HANDLE hFile; DWORD nByteWrite; hFile=CreateFile( // open if exist ini file bmpFileName, // pointer to name of the file GENERIC_WRITE, // access mode 0, // share mode NULL, // pointer to security descriptor TRUNCATE_EXISTING, // how to create FILE_ATTRIBUTE_NORMAL, // file attributes NULL // handle to file with attributes to copy ); if (hFile==INVALID_HANDLE_VALUE) return 0; //check if file exist /* Fill in the fields of the file header */ hdr.bfType = BFT_BITMAP; hdr.bfSize = GetSize() + sizeof(BITMAPFILEHEADER); hdr.bfReserved1 = hdr.bfReserved2 = 0; hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER)+ m_bi.biSize + GetPaletteSize(); // Write the file header WriteFile( // write ini (sync mode <-> no overlapped) hFile, // handle of file to write (LPSTR) &hdr, // address of buffer that contains data sizeof(BITMAPFILEHEADER), // number of bytes to write &nByteWrite, // address of number of bytes written NULL // address of structure for data ); // Write the DIB header and the bits WriteFile( // write ini (sync mode <-> no overlapped) hFile, // handle of file to write (LPSTR) hDib, // address of buffer that contains data GetSize(), // number of bytes to write &nByteWrite, // address of number of bytes written NULL // address of structure for data ); CloseHandle(hFile); //free file handle return 1; } ///////////////////////////////////////////////////////////////////// long CxDib::GetSize() { return m_bi.biSize + m_bi.biSizeImage + GetPaletteSize(); } ///////////////////////////////////////////////////////////////////// BOOL CxDib::IsValid() { return (hDib!=NULL); } ///////////////////////////////////////////////////////////////////// void CxDib::Clone(CxDib *src) { Create(src->GetWidth(),src->GetHeight(),src->GetBitCount()); if (hDib) memcpy(hDib,src->hDib,GetSize()); } ///////////////////////////////////////////////////////////////////// void CxDib::Clear(BYTE bval) { if (hDib) memset(GetBits(),bval,m_bi.biSizeImage); } ///////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// // CxShadeButton CxShadeButton::CxShadeButton() { m_Border=1; //draw 3D border m_FocusRectMargin=4; //focus dotted rect margin m_TextColor=GetSysColor(COLOR_BTNTEXT); // default button text color m_flat = m_Checked = m_button_down = m_tracking = false; m_Icon=m_IconDown=m_IconHighLight=NULL; // icon handle m_IconBox.SetRectEmpty(); //icon location m_IconAlign=BS_CENTER; //icon alignment m_TextAlign=DT_CENTER; //text alignment m_pLF=NULL; //font structure pointer } ///////////////////////////////////////////////////////////////////////////// CxShadeButton::~CxShadeButton() { m_Font.DeleteObject(); if (m_pLF) free(m_pLF); if (m_IconDown!=m_Icon && m_IconDown) DestroyIcon(m_IconDown); if (m_IconHighLight!=m_Icon && m_IconHighLight) DestroyIcon(m_IconHighLight); if (m_Icon) DestroyIcon(m_Icon); } ///////////////////////////////////////////////////////////////////////////// BEGIN_MESSAGE_MAP(CxShadeButton, CButton) //{{AFX_MSG_MAP(CxShadeButton) ON_WM_ERASEBKGND() ON_WM_LBUTTONDOWN() ON_WM_LBUTTONUP() ON_WM_MOUSEMOVE() ON_WM_LBUTTONDBLCLK() ON_WM_KILLFOCUS() //ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked) ON_WM_KEYDOWN() //}}AFX_MSG_MAP ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave) ON_MESSAGE(WM_CXSHADE_RADIO , OnRadioInfo) ON_MESSAGE(BM_SETCHECK , OnBMSetCheck) ON_MESSAGE(BM_GETCHECK , OnBMGetCheck) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CxShadeButton message handlers ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::PreSubclassWindow() { m_Style=GetStyle(); //get general button styles m_IsPushLike=((m_Style & BS_PUSHLIKE)!=0); m_flat=((m_Style & BS_FLAT)!=0); SetTextAlign(m_Style & 0x0300); m_Style=GetButtonStyle(); ///get specific BS_ styles if ((m_Style & BS_AUTOCHECKBOX)==BS_AUTOCHECKBOX) // ||((m_Style & BS_CHECKBOX)==BS_CHECKBOX)) m_Style=BS_CHECKBOX; else if ((m_Style & BS_AUTORADIOBUTTON)==BS_AUTORADIOBUTTON) // ||((m_Style & BS_RADIOBUTTON)==BS_RADIOBUTTON)) m_Style=BS_RADIOBUTTON; else { m_Style=BS_PUSHBUTTON; m_IsPushLike=true;} //default radio & check-box has no border if (!m_IsPushLike) m_Border = false; CButton::PreSubclassWindow(); ModifyStyle(0, BS_OWNERDRAW); } ///////////////////////////////////////////////////////////////////////////// BOOL CxShadeButton::OnEraseBkgnd(CDC* pDC) { return 1; } // doesn't erase the button background ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { ASSERT (lpDrawItemStruct); //TRACE("* Captured: %08X\n", ::GetCapture()); //Check if the button state in not in inconsistent mode... POINT mouse_position; if ((m_button_down) && (::GetCapture() == m_hWnd) && (::GetCursorPos(&mouse_position))){ if (::WindowFromPoint(mouse_position) == m_hWnd){ if ((GetState() & BST_PUSHED) != BST_PUSHED) { //TRACE("* Inconsistency up detected! Fixing.\n"); SetState(TRUE); return; } } else { if ((GetState() & BST_PUSHED) == BST_PUSHED) { //TRACE("* Inconsistency up detected! Fixing.\n"); SetState(FALSE); return; } } } //TRACE("* Drawing: %08x\n", lpDrawItemStruct->itemState); CString sCaption; CDC *pRealDC = CDC::FromHandle(lpDrawItemStruct->hDC); // get device context RECT r=lpDrawItemStruct->rcItem; // context rectangle int cx = r.right - r.left ; // get width int cy = r.bottom - r.top ; // get height // get text box position RECT tr={r.left+m_FocusRectMargin+2,r.top,r.right-m_FocusRectMargin-2,r.bottom}; CDC hdcMem; //create a memory DC to avoid flicker hdcMem.CreateCompatibleDC(pRealDC); CDC* pDC = &hdcMem; //(just use pRealDC to paint directly the screen) CBitmap hBitmap; //create a destination for raster operations hBitmap.CreateCompatibleBitmap(pRealDC,cx,cy); CBitmap* pOldBitmap = hdcMem.SelectObject(&hBitmap); //select the destination for MemDC GetWindowText(sCaption); // get button text pDC->SetBkMode(TRANSPARENT); // with MemDC we need to select the font... //get text font CFont* pOldFont=NULL; if (m_Font.m_hObject) pOldFont = pDC->SelectObject(&m_Font); else pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT)); // TEXTMETRIC tm; // pDC->GetTextMetrics(&tm); // get font metrics // accommodate text location if (m_Icon){ switch (m_IconAlign){ case BS_LEFT: tr.left+=m_IconBox.Width(); // shift left break; case BS_RIGHT: tr.right-=m_IconBox.Width(); // shift right break; case BS_CENTER: tr.top+=m_IconBox.bottom; // shift text under the icon tr.bottom-=m_FocusRectMargin + 1; } } // Select the correct skin if (lpDrawItemStruct->itemState & ODS_DISABLED){ // DISABLED BUTTON if(m_dDisabled.IsValid()) // paint the skin m_dDisabled.Draw(pDC->GetSafeHdc(),0,0); else // no skin selected for disabled state -> standard button pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE)); if (m_Icon) //draw the icon pDC->DrawState(m_IconBox.TopLeft(),m_IconBox.Size(), m_Icon,DSS_DISABLED,(CBrush*)NULL); // if needed, draw the standard 3D rectangular border if ((m_Border)&&(m_flat==FALSE)) pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT); // paint the etched button text pDC->SetTextColor(GetSysColor(COLOR_3DHILIGHT)); pDC->DrawText(sCaption,&tr,m_TextAlign); pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT)); OffsetRect(&tr,-1,-1); pDC->DrawText(sCaption,&tr,m_TextAlign); } else { //--------------------------------------------------------------------------- if ((lpDrawItemStruct->itemState & ODS_SELECTED)||m_Checked){ //SELECTED (DOWN) BUTTON if(m_dDown.IsValid()) // paint the skin m_dDown.Draw(pDC->GetSafeHdc(),m_Border,m_Border); else // no skin selected for selected state -> standard button pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE)); if (m_IconDown){ //draw the pushed icon if (m_IsPushLike) m_IconBox.OffsetRect(1,1); pDC->DrawState(m_IconBox.TopLeft(),m_IconBox.Size(), m_IconDown,DSS_NORMAL,(CBrush*)NULL); if (m_IsPushLike) m_IconBox.OffsetRect(-1,-1); } //shift text if (m_IsPushLike) OffsetRect(&tr,1,1); // if needed, draw the standard 3D rectangular border if (m_Border){ if (m_flat) pDC->Draw3dRect(&r,GetSysColor(COLOR_BTNSHADOW),GetSysColor(COLOR_BTNHILIGHT)); else pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT); } } else { //--------------------------------------------------------------------------- if(m_dNormal.IsValid()){ // paint the skin // DEFAULT BUTTON if ((m_tracking)&&(m_dOver.IsValid())){ m_dOver.Draw(pDC->GetSafeHdc(),0,0); } else { m_dNormal.Draw(pDC->GetSafeHdc(),0,0); } } else // no skin selected for normal state -> standard button pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE)); if (m_IconHighLight && m_tracking) { // draw the highlighted icon pDC->DrawState(m_IconBox.TopLeft(),m_IconBox.Size(), m_IconHighLight,DSS_NORMAL,(CBrush*)NULL); } else if (m_Icon) //draw the icon pDC->DrawState(m_IconBox.TopLeft(),m_IconBox.Size(), m_Icon,DSS_NORMAL,(CBrush*)NULL); // if needed, draw the standard 3D rectangular border if ((m_Border)&&((m_tracking)||(m_flat==FALSE))){ if (lpDrawItemStruct->itemState & ODS_DEFAULT){ pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT); InflateRect(&r,-1,-1); pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT); } else { if (m_flat) pDC->Draw3dRect(&r,GetSysColor(COLOR_BTNHILIGHT),GetSysColor(COLOR_BTNSHADOW)); else pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT); } } //--------------------------------------------------------------------------- } // paint the focus rect if ((lpDrawItemStruct->itemState & ODS_FOCUS)&&(m_FocusRectMargin>0)){ InflateRect(&r,-m_FocusRectMargin,-m_FocusRectMargin); m_dh.Draw(pDC->GetSafeHdc(),1+r.left,r.top); m_dh.Draw(pDC->GetSafeHdc(),1+r.left,r.bottom); m_dv.Draw(pDC->GetSafeHdc(),r.left,1+r.top); m_dv.Draw(pDC->GetSafeHdc(),r.right,1+r.top); } // paint the enabled button text pDC->SetTextColor(m_TextColor); pDC->DrawText(sCaption,&tr,m_TextAlign); } if (pOldFont) pDC->SelectObject(pOldFont); //restore the old font object pRealDC->BitBlt(0,0,cx,cy,&hdcMem,0,0,SRCCOPY); //copy in the real world //restore the old objects to avoid memory leakage <David Scambler> if (pOldBitmap) hdcMem.SelectObject(pOldBitmap); // hdcMem.DeleteDC(); the destructor will do this for us // hBitmap.DeleteObject(); the destructor will do this for us } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetShade(UINT shadeID,BYTE granularity,BYTE highlight,BYTE coloring,COLORREF color) { long sXSize,sYSize,bytes,j,i,k,h; BYTE *iDst ,*posDst; RECT rect; GetWindowRect(&rect); sYSize=rect.bottom-rect.top; sXSize=rect.right-rect.left ; m_dh.Create(max(1,sXSize-2*m_FocusRectMargin-1),1,8); //create the horizontal focus bitmap m_dv.Create(1,max(1,sYSize-2*m_FocusRectMargin),8); //create the vertical focus bitmap m_dNormal.Create(sXSize,sYSize,8); //create the default bitmap COLORREF hicr=GetSysColor(COLOR_BTNHIGHLIGHT); //get the button base colors COLORREF midcr=GetSysColor(COLOR_BTNFACE); COLORREF locr=GetSysColor(COLOR_BTNSHADOW); long r,g,b; //build the shaded palette for(i=0;i<129;i++){ r=((128-i)*GetRValue(locr)+i*GetRValue(midcr))/128; g=((128-i)*GetGValue(locr)+i*GetGValue(midcr))/128; b=((128-i)*GetBValue(locr)+i*GetBValue(midcr))/128; m_dNormal.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b); m_dh.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b); m_dv.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b); } for(i=1;i<129;i++){ r=((128-i)*GetRValue(midcr)+i*GetRValue(hicr))/128; g=((128-i)*GetGValue(midcr)+i*GetGValue(hicr))/128; b=((128-i)*GetBValue(midcr)+i*GetBValue(hicr))/128; m_dNormal.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b); m_dh.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b); m_dv.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b); } m_dNormal.BlendPalette(color,coloring); //color the palette iDst=m_dh.GetBits(); //build the horiz. dotted focus bitmap j=(long)m_dh.GetWidth(); for(i=0;i<j;i++){ // iDst[i]=64+127*(i%2); //soft iDst[i]=255*(i%2); //hard } iDst=m_dv.GetBits(); //build the vert. dotted focus bitmap j=(long)m_dv.GetHeight(); for(i=0;i<j;i++){ // *iDst=64+127*(i%2); //soft *iDst=255*(i%2); //hard iDst+=4; } bytes = m_dNormal.GetLineWidth(); iDst = m_dNormal.GetBits(); posDst =iDst; long a,x,y,d,xs,idxmax,idxmin; int grainx2=RAND_MAX/(max(1,2*granularity)); idxmax=255-granularity; idxmin=granularity; switch(shadeID){ //---------------------------------------------------- case 8: //SHS_METAL m_dNormal.Clear(); // create the strokes k=40; //stroke granularity for(a=0;a<200;a++){ x=rand()/(RAND_MAX/sXSize); //stroke postion y=rand()/(RAND_MAX/sYSize); //stroke position xs=rand()/(RAND_MAX/min(sXSize,sYSize))/2; //stroke lenght d=rand()/(RAND_MAX/k); //stroke color for(i=0;i<xs;i++){ if (((x-i)>0)&&((y+i)<sYSize)) m_dNormal.SetPixelIndex(x-i,y+i,(BYTE)d); if (((x+i)<sXSize)&&((y-i)>0)) m_dNormal.SetPixelIndex(sXSize-x+i,y-i,(BYTE)d); } } //blend strokes with SHS_DIAGONAL posDst =iDst; a=(idxmax-idxmin-k)/2; for(i = 0; i < sYSize; i++) { for(j = 0; j < sXSize; j++) { d=posDst[j]+((a*i)/sYSize+(a*(sXSize-j))/sXSize); posDst[j]=(BYTE)d; posDst[j]+=rand()/grainx2; } posDst+=bytes; } break; //---------------------------------------------------- case 7: // SHS_HARDBUMP //set horizontal bump for(i = 0; i < sYSize; i++) { k=(255*i/sYSize)-127; k=(k*(k*k)/128)/128; k=(k*(128-granularity*2))/128+128; for(j = 0; j < sXSize; j++) { posDst[j]=(BYTE)k; posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } //set vertical bump d=min(16,sXSize/6); //max edge=16 a=sYSize*sYSize/4; posDst =iDst; for(i = 0; i < sYSize; i++) { y=i-sYSize/2; for(j = 0; j < sXSize; j++) { x=j-sXSize/2; xs=sXSize/2-d+(y*y*d)/a; if (x>xs) posDst[j]=idxmin+(BYTE)(((sXSize-j)*128)/d); if ((x+xs)<0) posDst[j]=idxmax-(BYTE)((j*128)/d); posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } break; //---------------------------------------------------- case 6: //SHS_SOFTBUMP for(i = 0; i < sYSize; i++) { h=(255*i/sYSize)-127; for(j = 0; j < sXSize; j++) { k=(255*(sXSize-j)/sXSize)-127; k=(h*(h*h)/128)/128+(k*(k*k)/128)/128; k=k*(128-granularity)/128+128; if (k<idxmin) k=idxmin; if (k>idxmax) k=idxmax; posDst[j]=(BYTE)k; posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } break; //---------------------------------------------------- case 5: // SHS_VBUMP for(j = 0; j < sXSize; j++) { k=(255*(sXSize-j)/sXSize)-127; k=(k*(k*k)/128)/128; k=(k*(128-granularity))/128+128; for(i = 0; i < sYSize; i++) { posDst[j+i*bytes]=(BYTE)k; posDst[j+i*bytes]+=rand()/grainx2-granularity; } } break; //---------------------------------------------------- case 4: //SHS_HBUMP for(i = 0; i < sYSize; i++) { k=(255*i/sYSize)-127; k=(k*(k*k)/128)/128; k=(k*(128-granularity))/128+128; for(j = 0; j < sXSize; j++) { posDst[j]=(BYTE)k; posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } break; //---------------------------------------------------- case 1: //SHS_DIAGSHADE a=(idxmax-idxmin)/2; for(i = 0; i < sYSize; i++) { for(j = 0; j < sXSize; j++) { posDst[j]=(BYTE)(idxmin+a*i/sYSize+a*(sXSize-j)/sXSize); posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } break; //---------------------------------------------------- case 2: //SHS_HSHADE a=idxmax-idxmin; for(i = 0; i < sYSize; i++) { k=a*i/sYSize+idxmin; for(j = 0; j < sXSize; j++) { posDst[j]=(BYTE)k; posDst[j]+=rand()/grainx2-granularity; } posDst+=bytes; } break; //---------------------------------------------------- case 3: //SHS_VSHADE: a=idxmax-idxmin; for(j = 0; j < sXSize; j++) { k=a*(sXSize-j)/sXSize+idxmin; for(i = 0; i < sYSize; i++) { posDst[j+i*bytes]=(BYTE)k; posDst[j+i*bytes]+=rand()/grainx2-granularity; } } break; //---------------------------------------------------- default: //SHS_NOISE for(i = 0; i < sYSize; i++) { for(j = 0; j < sXSize; j++) { posDst[j]=128+rand()/grainx2-granularity; } posDst+=bytes; } } //---------------------------------------------------- m_dDisabled.Clone(&m_dNormal); //build the other bitmaps m_dOver.Clone(&m_dNormal); m_dOver.BlendPalette(hicr,highlight); m_dDown.Clone(&m_dOver); } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetIcon(UINT nIcon, UINT nIconAlign, UINT nIconDown, UINT nIconHighLight) { if (m_IconDown!=m_Icon && m_IconDown) DestroyIcon(m_IconDown); if (m_IconHighLight!=m_Icon && m_IconHighLight) DestroyIcon(m_IconHighLight); if (m_Icon) DestroyIcon(m_Icon); m_Icon = (HICON)::LoadImage(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIcon), IMAGE_ICON, 0, 0, 0); if (m_Icon){ // if success... ICONINFO iinfo; // get icon info GetIconInfo(m_Icon, &iinfo); m_IconBox.left=m_IconBox.top=0; m_IconBox.right = iinfo.xHotspot * 2; m_IconBox.bottom = iinfo.yHotspot * 2; long x,y; RECT rect; GetWindowRect(&rect); y=rect.bottom-rect.top; x=rect.right-rect.left; switch (nIconAlign){ //set the icon location case BS_RIGHT: m_IconAlign=BS_RIGHT; m_IconBox.OffsetRect(x - iinfo.xHotspot*2 - m_FocusRectMargin, max(0, (long)(y/2 - iinfo.yHotspot))); break; case BS_LEFT: m_IconAlign=BS_LEFT; m_IconBox.OffsetRect(m_FocusRectMargin, max(0, (long)(y/2 - iinfo.yHotspot))); break; default: m_IconAlign=BS_CENTER; m_IconBox.OffsetRect(max(0, (long)(x/2 - iinfo.xHotspot)), max(0, (long)(y/2 - 2*iinfo.yHotspot))); } //release icon mask bitmaps (Orioli Alessandro <aorioli@temaweb.it>) if( iinfo.hbmColor ) DeleteObject( iinfo.hbmColor ); if( iinfo.hbmMask ) DeleteObject( iinfo.hbmMask ); if (nIconDown > 0){ //load down icon m_IconDown = (HICON)::LoadImage(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIconDown), IMAGE_ICON, 0, 0, 0); if (m_IconDown==NULL) m_IconDown= m_Icon; } else { m_IconDown= m_Icon; } //reuse resource handle if (nIconHighLight > 0){ //load highlighted icon m_IconHighLight = (HICON)::LoadImage(AfxGetInstanceHandle(), MAKEINTRESOURCE(nIconHighLight), IMAGE_ICON, 0, 0, 0); if (m_IconHighLight==NULL) m_IconHighLight= m_Icon; } else { m_IconHighLight= m_Icon; } //reuse resource handle } } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetTextAlign(UINT nTextAlign) { // see DrawText() styles... switch (nTextAlign){ case BS_RIGHT: m_TextAlign=DT_RIGHT; break; case BS_LEFT: m_TextAlign=DT_LEFT; break; default: m_TextAlign=DT_CENTER; } m_TextAlign|=(DT_SINGLELINE|DT_VCENTER); } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetFlat(bool bFlag) { m_flat=bFlag; } //set flat border mode ///////////////////////////////////////////////////////////////////////////// COLORREF CxShadeButton::SetTextColor(COLORREF new_color) { COLORREF tmp_color=m_TextColor; m_TextColor=new_color; return tmp_color; //returns the previous color } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetToolTipText(CString s, CString sDown) { m_ToolTipUp = s; //normal tooltip m_ToolTipDw = sDown; //tooltip for checked state //select the down tooltip if the button is already checked <Jesper Kinn錽> if (m_Checked && !m_ToolTipDw.IsEmpty()) s = m_ToolTipDw; if(m_tooltip.m_hWnd==NULL){ if(m_tooltip.Create(this)) //first assignment if(m_tooltip.AddTool(this, (LPCTSTR)s)){ m_tooltip.Activate(1); // enable multiline tooltips <Derek Lakin> m_tooltip.SendMessage(TTM_SETMAXTIPWIDTH, 0, 300); } } else { m_tooltip.UpdateTipText((LPCTSTR)s,this); } } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::RelayEvent(UINT message, WPARAM wParam, LPARAM lParam) { // This function will create a MSG structure, fill it in a pass it to // the ToolTip control, m_ttip. Note that we ensure the point is in window // coordinates (relative to the control's window). if(NULL != m_tooltip.m_hWnd){ MSG msg; msg.hwnd = m_hWnd; msg.message = message; msg.wParam = wParam; msg.lParam = lParam; msg.time = 0; msg.pt.x = LOWORD(lParam); msg.pt.y = HIWORD(lParam); m_tooltip.RelayEvent(&msg); } } ///////////////////////////////////////////////////////////////////////////// //Method......: OnLButtonDblClk //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NONE //Parameters..: Used only to be forwarded as WM_LBUTTONDOWN message parameters //Exceptions..: NONE //------------ //Description : // > We do not care about doublelicks - handle this event // like an ordinary left-button-down event //--------------------------------------------------------- void CxShadeButton::OnLButtonDblClk(UINT flags, CPoint point) { SendMessage(WM_LBUTTONDOWN, flags, MAKELPARAM(point.x, point.y)); } ///////////////////////////////////////////////////////////////////////////// //Method......: OnLButtonDown //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NONE //Parameters..: As follows // > [in] nFlags: not used // > [in] point: coordinates of the mouse pointer when this event was spawned //Exceptions..: NONE //------------ //Description : // > Handle event when left button is pressed down //--------------------------------------------------------- void CxShadeButton::OnLButtonDown(UINT nFlags, CPoint point) { //TRACE("* %08X: down\n", ::GetTickCount()); //Pass this message to the ToolTip control RelayEvent(WM_LBUTTONDOWN,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y))); //If we are tracking this button, cancel it if (m_tracking) { TRACKMOUSEEVENT t = { sizeof(TRACKMOUSEEVENT), TME_CANCEL | TME_LEAVE, m_hWnd, 0 }; if (::_TrackMouseEvent(&t)) { m_tracking = false; } } //Default-process the message CButton::OnLButtonDown(nFlags, point); m_button_down = true; } ///////////////////////////////////////////////////////////////////////////// //Method......: OnLButtonUp //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NONE //Parameters..: As follows // > [in] nFlags: not used // > [in] point: coordinates of the mouse pointer when this event was spawned //Exceptions..: NONE //------------ //Description : // // > Handle event when left button is released (goes up) //--------------------------------------------------------- void CxShadeButton::OnLButtonUp(UINT nFlags, CPoint point) { //TRACE("* %08X: up\n", ::GetTickCount()); if (m_Style){ //track mouse for radio & check buttons POINT p2 = point; ::ClientToScreen(m_hWnd, &p2); HWND mouse_wnd = ::WindowFromPoint(p2); if (mouse_wnd == m_hWnd && m_button_down == true){ // mouse is in button if (m_Style==BS_CHECKBOX) SetCheck(m_Checked ? 0 : 1); if (m_Style==BS_RADIOBUTTON) SetCheck(1); } } //Pass this message to the ToolTip control RelayEvent(WM_LBUTTONUP,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y))); //Default-process the message m_button_down = false; CButton::OnLButtonUp(nFlags, point); } ///////////////////////////////////////////////////////////////////////////// //Method......: OnMouseMove //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NONE //Parameters..: As follows // > [in] nFlags: not used // > [in] point: coordinates of the mouse pointer when this event was spawned //Exceptions..: NONE //------------ //Description : // > Handle change of mouse position: see the comments in the // method for further info. //--------------------------------------------------------- void CxShadeButton::OnMouseMove(UINT nFlags, CPoint point) { //TRACE("* %08X: Mouse\n", ::GetTickCount()); //Pass this message to the ToolTip control RelayEvent(WM_MOUSEMOVE,(WPARAM)nFlags,MAKELPARAM(LOWORD(point.x),LOWORD(point.y))); //If we are in capture mode, button has been pressed down //recently and not yet released - therefore check is we are //actually over the button or somewhere else. If the mouse //position changed considerably (e.g. we moved mouse pointer //from the button to some other place outside button area) //force the control to redraw // if ((m_button_down) && (::GetCapture() == m_hWnd)) { POINT p2 = point; ::ClientToScreen(m_hWnd, &p2); HWND mouse_wnd = ::WindowFromPoint(p2); bool pressed = ((GetState() & BST_PUSHED) == BST_PUSHED); bool need_pressed = (mouse_wnd == m_hWnd); if (pressed != need_pressed) { //TRACE("* %08X Redraw\n", GetTickCount()); SetState(need_pressed ? TRUE : FALSE); Invalidate(); } } else { //Otherwise the button is released. That means we should //know when we leave its area - and so if we are not tracking //this mouse leave event yet, start now! // if (!m_tracking) { TRACKMOUSEEVENT t = { sizeof(TRACKMOUSEEVENT), TME_LEAVE, m_hWnd, 0 }; if (::_TrackMouseEvent(&t)) { //TRACE("* Mouse enter\n"); m_tracking = true; Invalidate(); } } } //Forward this event to superclass CButton::OnMouseMove(nFlags, point); } ///////////////////////////////////////////////////////////////////////////// //Method......: OnMouseLeave //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NULL //Parameters..: NOT USED //Exceptions..: NONE //------------ //Description : // > Handle situation when mouse cursor leaves area of this // window (button). This event might be generated ONLY // if we explicitely call 'TrackMouseEvent'. This is // signalled by setting the m_tracking flag (see the assert // precondition) - in 'OnMouseMove' method // // > When a mouse pointer leaves area of this button (i.e. // when this method is invoked), presumably the look of // the button changes (e.g. when hover/non-hover images are set) // and therefore we force the control to redraw. //--------------------------------------------------------- LRESULT CxShadeButton::OnMouseLeave(WPARAM, LPARAM) { ASSERT (m_tracking); //TRACE("* Mouse leave\n"); m_tracking = false; Invalidate(); return 0; } ///////////////////////////////////////////////////////////////////////////// //Method......: OnKillFocus //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: NONE //Parameters..: See superclass documentation //Exceptions..: NONE //------------ //Description : // > If focus is killed during capture, we may no longer // have the exclusive access to user input and therefore // release it. // // > Such a situation might happens when the user left-clicks // this button, keeps the button down and simultaneously // presses TAB key. //--------------------------------------------------------- void CxShadeButton::OnKillFocus(CWnd *new_wnd) { if (::GetCapture() == m_hWnd) { ::ReleaseCapture(); ASSERT (!m_tracking); m_button_down = false; } CButton::OnKillFocus(new_wnd); } ///////////////////////////////////////////////////////////////////////////// //Method......: OnClicked //Class.......: CxShadeButton // //Author......: Milan Gardian //Created.....: MAR-2001 // //Return value: FALSE (do not stop in this handler - forward to parent) //Parameters..: NONE //Exceptions..: NONE //------------ //Description : // > Keep consistency of attributes of this instance before // submitting click event to the parent. // // > Currently NOT used. To use, umcomment line // "ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)" in message map // at the beginning of this file. //--------------------------------------------------------- BOOL CxShadeButton::OnClicked() { if (::GetCapture() == m_hWnd) { ::ReleaseCapture(); ASSERT (!m_tracking); } m_button_down = false; //Invalidate(); return FALSE; } ///////////////////////////////////////////////////////////////////////////// //Method......: OnRadioInfo //Class.......: CxShadeButton // //Author......: Rainer Mangold //Created.....: JUN-2001 // //Return value: NULL //Parameters..: WPARAM and LPARAM (LPARAM not used) //Exceptions..: NONE //------------ //Description : // > Handle notification, that a Button in the same group was pushed //--------------------------------------------------------- LRESULT CxShadeButton::OnRadioInfo(WPARAM wparam, LPARAM) { if (m_Checked){ //only checked buttons need to be unchecked m_Checked = false; if(m_tooltip.m_hWnd!=NULL) m_tooltip.UpdateTipText((LPCTSTR)m_ToolTipUp,this); Invalidate(); } return 0; } ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) { if ((m_Style)&&(nChar==' ')){ //needed stuff for check & radio buttons if (m_Style==BS_CHECKBOX) SetCheck(m_Checked ? 0 : 1); if (m_Style==BS_RADIOBUTTON) SetCheck(1); } CButton::OnKeyDown(nChar, nRepCnt, nFlags); } ///////////////////////////////////////////////////////////////////////////// //Method......: SetCheck //Class.......: CxShadeButton // //Author......: Rainer Mangold //Created.....: JUN-2001 // //Return value: NONE //Parameters..: bool //Exceptions..: NONE //------------ //Description : // > Set the state of this button (pushed or not). // Works for both, Radio and CheckBox - Buttons //--------------------------------------------------------- LRESULT CxShadeButton::OnBMSetCheck(WPARAM wparam, LPARAM) { m_Checked=wparam!=0; switch (m_Style) { case BS_RADIOBUTTON: if (m_Checked) { //uncheck the other radio buttons (in the same group) HWND hthis,hwnd2,hpwnd; hpwnd=GetParent()->GetSafeHwnd(); //get button parent handle hwnd2=hthis=GetSafeHwnd(); //get this button handle if (hthis && hpwnd){ //consistency check for( ; ; ){ //scan the buttons within the group hwnd2=::GetNextDlgGroupItem(hpwnd,hwnd2,0); //until we reach again this button if ((hwnd2==hthis)||(hwnd2==NULL)) break; //post the uncheck message ::PostMessage(hwnd2, WM_CXSHADE_RADIO, 0, 0); } } } break; case BS_PUSHBUTTON: m_Checked=false; ASSERT(false); // Must be a Check or Radio button to use this function } //set the correct tooltip if (m_tooltip.m_hWnd!=NULL){ m_tooltip.Pop(); //to avoid flicker if (m_Checked && !m_ToolTipDw.IsEmpty()) m_tooltip.UpdateTipText((LPCTSTR)m_ToolTipDw,this); else m_tooltip.UpdateTipText((LPCTSTR)m_ToolTipUp,this); } Invalidate(); return 0; } ///////////////////////////////////////////////////////////////////////////// LRESULT CxShadeButton::OnBMGetCheck(WPARAM wparam, LPARAM) { return m_Checked; } //returns the state for check & radio buttons ///////////////////////////////////////////////////////////////////////////// void CxShadeButton::SetButtonStyle(UINT nStyle, BOOL bRedraw) { // see PreSubclassWindow m_IsPushLike=((nStyle & BS_PUSHLIKE)!=0); m_flat=((nStyle & BS_FLAT)!=0); if ((nStyle & BS_AUTOCHECKBOX)==BS_AUTOCHECKBOX) // ||((m_Style & BS_CHECKBOX)==BS_CHECKBOX)) m_Style=BS_CHECKBOX; else if ((nStyle & BS_AUTORADIOBUTTON)==BS_AUTORADIOBUTTON) // ||((m_Style & BS_RADIOBUTTON)==BS_RADIOBUTTON)) m_Style=BS_RADIOBUTTON; else { m_Style=BS_PUSHBUTTON; m_IsPushLike=true; m_Checked=false; } //default radio & check-box has no border if (!m_IsPushLike) m_Border = false; if (bRedraw) Invalidate(); } ///////////////////////////////////////////////////////////////////////////// bool CxShadeButton::SetFont(CString sFontName,long lSize, long lWeight, BYTE bItalic, BYTE bUnderline) { if (m_pLF==NULL) m_pLF=(LOGFONT*)calloc(1,sizeof(LOGFONT)); if (m_pLF){ strncpy(m_pLF->lfFaceName,sFontName,31); m_pLF->lfHeight=lSize; m_pLF->lfWeight=lWeight; m_pLF->lfItalic=bItalic; m_pLF->lfUnderline=bUnderline; m_Font.DeleteObject(); if (m_Font.CreateFontIndirect(m_pLF)) return true; } return false; } ///////////////////////////////////////////////////////////////////////////// bool CxShadeButton::SetFont(LOGFONT* pNewStyle) { if (pNewStyle){ if (m_pLF==NULL) m_pLF=(LOGFONT*)calloc(1,sizeof(LOGFONT)); if (m_pLF){ memcpy(m_pLF,pNewStyle,sizeof(LOGFONT)); m_Font.DeleteObject(); if (m_Font.CreateFontIndirect(m_pLF)) return true; } } return false; } ///////////////////////////////////////////////////////////////////////////// LOGFONT* CxShadeButton::GetFont() { return m_pLF; } ///////////////////////////////////////////////////////////////////////////// //EOF