LRESULT AeroControlBase::ButtonWindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch(uMsg) { case WM_SETTEXT: case WM_ENABLE: case WM_STYLECHANGED: { LRESULT res = DefSubclassProc(hWnd, uMsg, wParam, lParam); InvalidateRgn(hWnd, NULL, FALSE); return res; } break; case WM_PAINT: { PAINTSTRUCT ps; HDC hdc = BeginPaint(hWnd, &ps); if(hdc) { LONG_PTR dwStyle = GetWindowLongPtr(hWnd, GWL_STYLE); LONG_PTR dwButtonStyle = LOWORD(dwStyle); LONG_PTR dwButtonType = dwButtonStyle&0xF; RECT rcClient; VERIFY(GetClientRect(hWnd, &rcClient)); if((dwButtonType&BS_GROUPBOX)==BS_GROUPBOX) { /// /// it must be a group box /// HTHEME hTheme = OpenThemeData(hWnd, L"Button"); if(hTheme) { BP_PAINTPARAMS params = { sizeof(BP_PAINTPARAMS) }; params.dwFlags = BPPF_ERASE; RECT rcExclusion = rcClient; params.prcExclude = &rcExclusion; /// /// We have to calculate the exclusion rect and therefore /// calculate the font height. We select the control's font /// into the DC and fake a drawing operation: /// HFONT hFontOld = (HFONT)SendMessage(hWnd, WM_GETFONT, 0L, NULL); if(hFontOld) hFontOld = (HFONT) SelectObject(hdc, hFontOld); RECT rcDraw = rcClient; DWORD dwFlags = DT_SINGLELINE; /// /// we use uppercase A to determine the height of text, so we /// can draw the upper line of the groupbox: /// DrawTextW(hdc, L"A", -1, &rcDraw, dwFlags|DT_CALCRECT); if (hFontOld) { SelectObject(hdc, hFontOld); hFontOld = NULL; } VERIFY(InflateRect(&rcExclusion, -1, -1*RECTHEIGHT(rcDraw))); HDC hdcPaint = NULL; HPAINTBUFFER hBufferedPaint = BeginBufferedPaint(hdc, &rcClient, BPBF_TOPDOWNDIB, ¶ms, &hdcPaint); if (hdcPaint) { /// /// now we again retrieve the font, but this time we select it into /// the buffered DC: /// hFontOld = (HFONT)SendMessage(hWnd, WM_GETFONT, 0L, NULL); if(hFontOld) hFontOld = (HFONT) SelectObject(hdcPaint, hFontOld); VERIFY(PatBlt(hdcPaint, 0, 0, RECTWIDTH(rcClient), RECTHEIGHT(rcClient), BLACKNESS)); VERIFY(S_OK==BufferedPaintSetAlpha(hBufferedPaint, &ps.rcPaint, 0x00)); int iPartId = BP_GROUPBOX; int iState = GetStateFromBtnState(dwStyle, FALSE, FALSE, 0L, iPartId, FALSE); DTTOPTS DttOpts = {sizeof(DTTOPTS)}; DttOpts.dwFlags = DTT_COMPOSITED | DTT_GLOWSIZE; DttOpts.crText = RGB(255, 255, 255); DttOpts.iGlowSize = 12; // Default value VERIFY(DetermineGlowSize(&DttOpts.iGlowSize)); COLORREF cr = RGB(0x00, 0x00, 0x00); VERIFY(GetEditBorderColor(hWnd, &cr)); /// /// add the alpha value: /// cr |= 0xff000000; std::unique_ptr<Pen> myPen( new Pen(Color(cr), 1) ); std::unique_ptr<Graphics> myGraphics( new Graphics(hdcPaint) ); int iY = RECTHEIGHT(rcDraw)/2; Rect rr = Rect(rcClient.left, rcClient.top+iY, RECTWIDTH(rcClient), RECTHEIGHT(rcClient)-iY-1); GraphicsPath path; GetRoundRectPath(&path, rr, 10); myGraphics->DrawPath(myPen.get(), &path); //myGraphics->DrawRectangle(myPen, rcClient.left, rcClient.top + iY, // RECTWIDTH(rcClient)-1, RECTHEIGHT(rcClient) - iY-1); myGraphics.reset(); myPen.reset(); int iLen = GetWindowTextLength(hWnd); if(iLen) { iLen+=5; // 1 for terminating zero, 4 for DT_MODIFYSTRING LPWSTR szText = (LPWSTR)LocalAlloc(LPTR, sizeof(WCHAR)*iLen); if(szText) { iLen = GetWindowTextW(hWnd, szText, iLen); if(iLen) { int iX = RECTWIDTH(rcDraw); rcDraw = rcClient; rcDraw.left += iX; DrawTextW(hdcPaint, szText, -1, &rcDraw, dwFlags|DT_CALCRECT); VERIFY(PatBlt(hdcPaint, rcDraw.left, rcDraw.top , RECTWIDTH(rcDraw) + 3, RECTHEIGHT(rcDraw), BLACKNESS)); rcDraw.left++; rcDraw.right++; VERIFY(S_OK==DrawThemeTextEx(hTheme, hdcPaint, iPartId, iState, szText, -1, dwFlags, &rcDraw, &DttOpts)); } VERIFY(!LocalFree(szText)); } } if (hFontOld) { SelectObject(hdcPaint, hFontOld); hFontOld = NULL; } VERIFY(S_OK==EndBufferedPaint(hBufferedPaint, TRUE)); } VERIFY(S_OK==CloseThemeData(hTheme)); } } else if(dwButtonType==BS_CHECKBOX || dwButtonType==BS_AUTOCHECKBOX || dwButtonType==BS_3STATE || dwButtonType==BS_AUTO3STATE || dwButtonType==BS_RADIOBUTTON || dwButtonType==BS_AUTORADIOBUTTON) { HTHEME hTheme = OpenThemeData(hWnd, L"Button"); if(hTheme) { HDC hdcPaint = NULL; BP_PAINTPARAMS params = { sizeof(BP_PAINTPARAMS) }; params.dwFlags = BPPF_ERASE; HPAINTBUFFER hBufferedPaint = BeginBufferedPaint(hdc, &rcClient, BPBF_TOPDOWNDIB, ¶ms, &hdcPaint); if (hdcPaint) { VERIFY(PatBlt(hdcPaint, 0, 0, RECTWIDTH(rcClient), RECTHEIGHT(rcClient), BLACKNESS)); VERIFY(S_OK==BufferedPaintSetAlpha(hBufferedPaint, &ps.rcPaint, 0x00)); LRESULT dwCheckState = SendMessage(hWnd, BM_GETCHECK, 0, NULL); POINT pt; RECT rc; GetWindowRect(hWnd, &rc); GetCursorPos(&pt); BOOL bHot = PtInRect(&rc, pt); BOOL bFocus = GetFocus()==hWnd; int iPartId = BP_CHECKBOX; if(dwButtonType==BS_RADIOBUTTON || dwButtonType==BS_AUTORADIOBUTTON) iPartId = BP_RADIOBUTTON; int iState = GetStateFromBtnState(dwStyle, bHot, bFocus, dwCheckState, iPartId, FALSE); int bmWidth = int(ceil(13.0 * GetDeviceCaps(hdcPaint, LOGPIXELSX) / 96.0)); UINT uiHalfWidth = (RECTWIDTH(rcClient) - bmWidth)/2; /// /// we have to use the whole client area, otherwise we get only partially /// drawn areas: /// RECT rcPaint = rcClient; if(dwButtonStyle & BS_LEFTTEXT) { rcPaint.left += uiHalfWidth; rcPaint.right += uiHalfWidth; } else { rcPaint.left -= uiHalfWidth; rcPaint.right -= uiHalfWidth; } /// /// we assume that bmWidth is both the horizontal and the vertical /// dimension of the control bitmap and that it is square. bm.bmHeight /// seems to be the height of a striped bitmap because it is an absurdly /// high dimension value /// if((dwButtonStyle&BS_VCENTER)==BS_VCENTER) /// BS_VCENTER is BS_TOP|BS_BOTTOM { int h = RECTHEIGHT(rcPaint); rcPaint.top = (h - bmWidth) / 2; rcPaint.bottom = rcPaint.top + bmWidth; } else if(dwButtonStyle&BS_TOP) { rcPaint.bottom = rcPaint.top + bmWidth; } else if(dwButtonStyle&BS_BOTTOM) { rcPaint.top = rcPaint.bottom - bmWidth; } else // default: center the checkbox/radiobutton vertically { int h = RECTHEIGHT(rcPaint); rcPaint.top = (h - bmWidth) / 2; rcPaint.bottom = rcPaint.top + bmWidth; } VERIFY(S_OK==DrawThemeBackground(hTheme, hdcPaint, iPartId, iState, &rcPaint, NULL)); rcPaint = rcClient; VERIFY(S_OK==GetThemeBackgroundContentRect(hTheme, hdcPaint, iPartId, iState, &rcPaint, &rc)); if(dwButtonStyle & BS_LEFTTEXT) rc.right -= bmWidth + 2 * GetSystemMetrics(SM_CXEDGE); else rc.left += bmWidth + 2 * GetSystemMetrics(SM_CXEDGE); DTTOPTS DttOpts = {sizeof(DTTOPTS)}; DttOpts.dwFlags = DTT_COMPOSITED | DTT_GLOWSIZE; DttOpts.crText = RGB(255, 255, 255); DttOpts.iGlowSize = 12; // Default value VERIFY(DetermineGlowSize(&DttOpts.iGlowSize)); HFONT hFontOld = (HFONT)SendMessage(hWnd, WM_GETFONT, 0L, NULL); if(hFontOld) hFontOld = (HFONT) SelectObject(hdcPaint, hFontOld); int iLen = GetWindowTextLength(hWnd); if(iLen) { iLen+=5; // 1 for terminating zero, 4 for DT_MODIFYSTRING LPWSTR szText = (LPWSTR)LocalAlloc(LPTR, sizeof(WCHAR)*iLen); if(szText) { iLen = GetWindowTextW(hWnd, szText, iLen); if(iLen) { DWORD dwFlags = DT_SINGLELINE /*|DT_VCENTER*/; if(dwButtonStyle&BS_MULTILINE) { dwFlags|=DT_WORDBREAK; dwFlags&= ~(DT_SINGLELINE |DT_VCENTER); } if((dwButtonStyle&BS_CENTER)==BS_CENTER) /// BS_CENTER is BS_LEFT|BS_RIGHT dwFlags|=DT_CENTER; else if(dwButtonStyle&BS_LEFT) dwFlags|=DT_LEFT; else if(dwButtonStyle&BS_RIGHT) dwFlags|=DT_RIGHT; if((dwButtonStyle&BS_VCENTER)==BS_VCENTER) /// BS_VCENTER is BS_TOP|BS_BOTTOM dwFlags|=DT_VCENTER; else if(dwButtonStyle&BS_TOP) dwFlags|=DT_TOP; else if(dwButtonStyle&BS_BOTTOM) dwFlags|=DT_BOTTOM; else dwFlags|=DT_VCENTER; VERIFY(S_OK==DrawThemeTextEx(hTheme, hdcPaint, iPartId, iState, szText, -1, dwFlags, &rc, &DttOpts)); /// /// if our control has the focus, we also have to draw the focus rectangle: /// if(bFocus) { /// /// now calculate the text size: /// RECT rcDraw = rc; /// /// we use GDI's good old DrawText, because it returns much more /// accurate data than DrawThemeTextEx, which takes the glow /// into account which we don't want: /// VERIFY(DrawTextW(hdcPaint, szText, -1, &rcDraw, dwFlags|DT_CALCRECT)); if(dwFlags&DT_SINGLELINE) { dwFlags &= ~DT_VCENTER; RECT rcDrawTop; DrawTextW(hdcPaint, szText, -1, &rcDrawTop, dwFlags|DT_CALCRECT); rcDraw.top = rcDraw.bottom - RECTHEIGHT(rcDrawTop); } if(dwFlags & DT_RIGHT) { int iWidth = RECTWIDTH(rcDraw); rcDraw.right = rc.right; rcDraw.left = rcDraw.right - iWidth; } RECT rcFocus; VERIFY(IntersectRect(&rcFocus, &rc, &rcDraw)); DrawFocusRect(&rcFocus, hdcPaint); } } VERIFY(!LocalFree(szText)); } } if (hFontOld) { SelectObject(hdcPaint, hFontOld); hFontOld = NULL; } VERIFY(S_OK==EndBufferedPaint(hBufferedPaint, TRUE)); } VERIFY(S_OK==CloseThemeData(hTheme)); } } else if(BS_PUSHBUTTON==dwButtonType || BS_DEFPUSHBUTTON==dwButtonType) { /// /// it is a push button /// HTHEME hTheme = OpenThemeData(hWnd, L"Button"); if(hTheme) { HDC hdcPaint = NULL; BP_PAINTPARAMS params = { sizeof(BP_PAINTPARAMS) }; params.dwFlags = BPPF_ERASE; HPAINTBUFFER hBufferedPaint = BeginBufferedPaint(hdc, &rcClient, BPBF_TOPDOWNDIB, ¶ms, &hdcPaint); if (hdcPaint) { VERIFY(PatBlt(hdcPaint, 0, 0, RECTWIDTH(rcClient), RECTHEIGHT(rcClient), BLACKNESS)); VERIFY(S_OK==BufferedPaintSetAlpha(hBufferedPaint, &ps.rcPaint, 0x00)); LRESULT dwCheckState = SendMessage(hWnd, BM_GETCHECK, 0, NULL); POINT pt; RECT rc; GetWindowRect(hWnd, &rc); GetCursorPos(&pt); BOOL bHot = PtInRect(&rc, pt); BOOL bFocus = GetFocus()==hWnd; int iPartId = BP_PUSHBUTTON; if(dwButtonStyle==BS_RADIOBUTTON || dwButtonStyle==BS_AUTORADIOBUTTON) iPartId = BP_RADIOBUTTON; int iState = GetStateFromBtnState(dwStyle, bHot, bFocus, dwCheckState, iPartId, GetCapture()==hWnd); /// /// we have to use the whole client area, otherwise we get only partially /// drawn areas: /// RECT rcPaint = rcClient; VERIFY(S_OK==DrawThemeBackground(hTheme, hdcPaint, iPartId, iState, &rcPaint, NULL)); VERIFY(S_OK==GetThemeBackgroundContentRect(hTheme, hdcPaint, iPartId, iState, &rcPaint, &rc)); DTTOPTS DttOpts = {sizeof(DTTOPTS)}; DttOpts.dwFlags = DTT_COMPOSITED | DTT_GLOWSIZE; DttOpts.crText = RGB(255, 255, 255); DttOpts.iGlowSize = 12; // Default value VERIFY(DetermineGlowSize(&DttOpts.iGlowSize)); HFONT hFontOld = (HFONT)SendMessage(hWnd, WM_GETFONT, 0L, NULL); if(hFontOld) hFontOld = (HFONT) SelectObject(hdcPaint, hFontOld); int iLen = GetWindowTextLength(hWnd); if(iLen) { iLen+=5; // 1 for terminating zero, 4 for DT_MODIFYSTRING LPWSTR szText = (LPWSTR)LocalAlloc(LPTR, sizeof(WCHAR)*iLen); if(szText) { iLen = GetWindowTextW(hWnd, szText, iLen); if(iLen) { DWORD dwFlags = DT_SINGLELINE | DT_CENTER | DT_VCENTER; VERIFY(S_OK==DrawThemeTextEx(hTheme, hdcPaint, iPartId, iState, szText, -1, dwFlags, &rc, &DttOpts)); /// /// if our control has the focus, we also have to draw the focus rectangle: /// if(bFocus) { RECT rcDraw = rcClient; VERIFY(InflateRect(&rcDraw, -3, -3)); DrawFocusRect(&rcDraw, hdcPaint); } } VERIFY(!LocalFree(szText)); } } if (hFontOld) { SelectObject(hdcPaint, hFontOld); hFontOld = NULL; } VERIFY(S_OK==EndBufferedPaint(hBufferedPaint, TRUE)); } VERIFY(S_OK==CloseThemeData(hTheme)); } } else //PaintControl(hWnd, hdc, &ps.rcPaint, (m_dwFlags & WD_DRAW_BORDER)!=0); PaintControl(hWnd, hdc, &ps.rcPaint, false); } EndPaint(hWnd, &ps); return 0; } break; case WM_DESTROY: case WM_NCDESTROY: RemoveWindowSubclass(hWnd, SubclassProc, Button); subclassedControls.erase(hWnd); break; } return DefSubclassProc(hWnd, uMsg, wParam, lParam); }
void CTTCheckBtnGroup::DrawGradient(CDC* pDC, CRect rect) { Color gdipBaseColor, gdipLightColor; COLORREF baseColor = m_ColorMap.GetColor(Press, BackgroundTopGradientStart); HLSColor hlsBaseColor = RgbToHls(baseColor); if (hlsBaseColor.L > 0.8) { COLORREF darkColor = GetLumColor(baseColor, -0.3); gdipBaseColor.SetFromCOLORREF(baseColor); gdipLightColor.SetFromCOLORREF(darkColor); } else { COLORREF lightColor = GetLumColor(baseColor, 0.3); gdipBaseColor.SetFromCOLORREF(baseColor); gdipLightColor.SetFromCOLORREF(lightColor); } Graphics graphics(pDC->GetSafeHdc()); graphics.SetSmoothingMode(SmoothingModeAntiAlias); graphics.SetInterpolationMode(InterpolationModeHighQualityBicubic); // Draw frag rectangle Rect boundsRect(rect.left, rect.top, rect.Width(), rect.Height()); GraphicsPath path; GetRoundRectPath(&path, boundsRect, 8); Rect upperRect(boundsRect); upperRect.Height = boundsRect.Height / 2; Rect lowerRect(boundsRect); lowerRect.Y = upperRect.GetBottom() - 1; lowerRect.Height = boundsRect.Height - upperRect.Height; Rect upGradRect(upperRect); upGradRect.Inflate(0, 1); Rect loGradRect(lowerRect); loGradRect.Inflate(0, 1); LinearGradientBrush brush1(upGradRect, gdipLightColor, gdipBaseColor, LinearGradientMode::LinearGradientModeVertical); LinearGradientBrush brush2(loGradRect, gdipBaseColor, gdipBaseColor, LinearGradientMode::LinearGradientModeVertical); //SolidBrush brush(baseColor); //graphics.FillRectangle(&brush, upperRect); //graphics.FillPath(&brush1, &path); Region wholeRgn(&path); Region upperRgn(upperRect); upperRgn.Intersect(&wholeRgn); Region lowerRgn(lowerRect); lowerRgn.Intersect(&wholeRgn); graphics.FillRegion(&brush1, &upperRgn); graphics.FillRegion(&brush2, &lowerRgn); //SolidBrush brush(gdipFragColor); //graphics.FillPath(&brush, &path); }