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Diff of /trunk/src/DiffViewer.cpp [r881] .. [r882] Maximize Restore
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--- a/trunk/src/DiffViewer.cpp +++ b/trunk/src/DiffViewer.cpp @@ -253,6 +253,218 @@ SWP_SHOWWINDOW); } break; + case IDM_PRINT: + { + PRINTDLGEX pdlg = {0}; + pdlg.lStructSize = sizeof(PRINTDLGEX); + pdlg.hwndOwner = *this; + pdlg.hInstance = NULL; + pdlg.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_ALLPAGES | PD_RETURNDC | PD_NOCURRENTPAGE | PD_NOPAGENUMS; + pdlg.nMinPage = 1; + pdlg.nMaxPage = 0xffffU; // We do not know how many pages in the document + pdlg.nCopies = 1; + pdlg.hDC = 0; + pdlg.nStartPage = START_PAGE_GENERAL; + + // See if a range has been selected + size_t startPos = SendEditor(SCI_GETSELECTIONSTART); + size_t endPos = SendEditor(SCI_GETSELECTIONEND); + + if (startPos == endPos) + pdlg.Flags |= PD_NOSELECTION; + else + pdlg.Flags |= PD_SELECTION; + + HRESULT hResult = PrintDlgEx(&pdlg); + if ((hResult != S_OK) || (pdlg.dwResultAction != PD_RESULT_PRINT)) + return 0; + + // reset all indicators + size_t endpos = SendEditor(SCI_GETLENGTH); + for (int i = INDIC_CONTAINER; i <= INDIC_MAX; ++i) + { + SendEditor(SCI_SETINDICATORCURRENT, i); + SendEditor(SCI_INDICATORCLEARRANGE, 0, endpos); + } + // store and reset UI settings + int viewws = (int)SendEditor(SCI_GETVIEWWS); + SendEditor(SCI_SETVIEWWS, 0); + int edgemode = (int)SendEditor(SCI_GETEDGEMODE); + SendEditor(SCI_SETEDGEMODE, EDGE_NONE); + SendEditor(SCI_SETWRAPVISUALFLAGS, SC_WRAPVISUALFLAG_END); + + HDC hdc = pdlg.hDC; + + RECT rectMargins, rectPhysMargins; + POINT ptPage; + POINT ptDpi; + + // Get printer resolution + ptDpi.x = GetDeviceCaps(hdc, LOGPIXELSX); // dpi in X direction + ptDpi.y = GetDeviceCaps(hdc, LOGPIXELSY); // dpi in Y direction + + // Start by getting the physical page size (in device units). + ptPage.x = GetDeviceCaps(hdc, PHYSICALWIDTH); // device units + ptPage.y = GetDeviceCaps(hdc, PHYSICALHEIGHT); // device units + + // Get the dimensions of the unprintable + // part of the page (in device units). + rectPhysMargins.left = GetDeviceCaps(hdc, PHYSICALOFFSETX); + rectPhysMargins.top = GetDeviceCaps(hdc, PHYSICALOFFSETY); + + // To get the right and lower unprintable area, + // we take the entire width and height of the paper and + // subtract everything else. + rectPhysMargins.right = ptPage.x // total paper width + - GetDeviceCaps(hdc, HORZRES) // printable width + - rectPhysMargins.left; // left unprintable margin + + rectPhysMargins.bottom = ptPage.y // total paper height + - GetDeviceCaps(hdc, VERTRES) // printable height + - rectPhysMargins.top; // right unprintable margin + + RECT pagesetupMargin; + CRegStdDWORD m_regMargLeft = CRegStdDWORD(L"Software\\TortoiseSVN\\UDiffpagesetupmarginleft", 2540); + CRegStdDWORD m_regMargTop = CRegStdDWORD(L"Software\\TortoiseSVN\\UDiffpagesetupmargintop", 2540); + CRegStdDWORD m_regMargRight = CRegStdDWORD(L"Software\\TortoiseSVN\\UDiffpagesetupmarginright", 2540); + CRegStdDWORD m_regMargBottom = CRegStdDWORD(L"Software\\TortoiseSVN\\UDiffpagesetupmarginbottom", 2540); + + pagesetupMargin.left = (long)(DWORD)m_regMargLeft; + pagesetupMargin.top = (long)(DWORD)m_regMargTop; + pagesetupMargin.right = (long)(DWORD)m_regMargRight; + pagesetupMargin.bottom = (long)(DWORD)m_regMargBottom; + + if (pagesetupMargin.left != 0 || pagesetupMargin.right != 0 || + pagesetupMargin.top != 0 || pagesetupMargin.bottom != 0) + { + RECT rectSetup; + + // Convert the hundredths of millimeters (HiMetric) or + // thousandths of inches (HiEnglish) margin values + // from the Page Setup dialog to device units. + // (There are 2540 hundredths of a mm in an inch.) + + TCHAR localeInfo[3]; + GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_IMEASURE, localeInfo, 3); + + if (localeInfo[0] == '0') + { + // Metric system. '1' is US System + rectSetup.left = MulDiv (pagesetupMargin.left, ptDpi.x, 2540); + rectSetup.top = MulDiv (pagesetupMargin.top, ptDpi.y, 2540); + rectSetup.right = MulDiv(pagesetupMargin.right, ptDpi.x, 2540); + rectSetup.bottom = MulDiv(pagesetupMargin.bottom, ptDpi.y, 2540); + } + else + { + rectSetup.left = MulDiv(pagesetupMargin.left, ptDpi.x, 1000); + rectSetup.top = MulDiv(pagesetupMargin.top, ptDpi.y, 1000); + rectSetup.right = MulDiv(pagesetupMargin.right, ptDpi.x, 1000); + rectSetup.bottom = MulDiv(pagesetupMargin.bottom, ptDpi.y, 1000); + } + + // Don't reduce margins below the minimum printable area + rectMargins.left = max(rectPhysMargins.left, rectSetup.left); + rectMargins.top = max(rectPhysMargins.top, rectSetup.top); + rectMargins.right = max(rectPhysMargins.right, rectSetup.right); + rectMargins.bottom = max(rectPhysMargins.bottom, rectSetup.bottom); + } + else + { + rectMargins.left = rectPhysMargins.left; + rectMargins.top = rectPhysMargins.top; + rectMargins.right = rectPhysMargins.right; + rectMargins.bottom = rectPhysMargins.bottom; + } + + // rectMargins now contains the values used to shrink the printable + // area of the page. + + // Convert device coordinates into logical coordinates + DPtoLP(hdc, (LPPOINT) &rectMargins, 2); + DPtoLP(hdc, (LPPOINT)&rectPhysMargins, 2); + + // Convert page size to logical units and we're done! + DPtoLP(hdc, (LPPOINT) &ptPage, 1); + + + DOCINFO di = {sizeof(DOCINFO), 0, 0, 0, 0}; + di.lpszDocName = L"CommitMonitor UDiff"; + di.lpszOutput = 0; + di.lpszDatatype = 0; + di.fwType = 0; + if (::StartDoc(hdc, &di) < 0) + { + ::DeleteDC(hdc); + return 0; + } + + size_t lengthDoc = SendEditor(SCI_GETLENGTH); + size_t lengthDocMax = lengthDoc; + size_t lengthPrinted = 0; + + // Requested to print selection + if (pdlg.Flags & PD_SELECTION) + { + if (startPos > endPos) + { + lengthPrinted = endPos; + lengthDoc = startPos; + } + else + { + lengthPrinted = startPos; + lengthDoc = endPos; + } + + if (lengthDoc > lengthDocMax) + lengthDoc = lengthDocMax; + } + + // We must subtract the physical margins from the printable area + Sci_RangeToFormat frPrint; + frPrint.hdc = hdc; + frPrint.hdcTarget = hdc; + frPrint.rc.left = rectMargins.left - rectPhysMargins.left; + frPrint.rc.top = rectMargins.top - rectPhysMargins.top; + frPrint.rc.right = ptPage.x - rectMargins.right - rectPhysMargins.left; + frPrint.rc.bottom = ptPage.y - rectMargins.bottom - rectPhysMargins.top; + frPrint.rcPage.left = 0; + frPrint.rcPage.top = 0; + frPrint.rcPage.right = ptPage.x - rectPhysMargins.left - rectPhysMargins.right - 1; + frPrint.rcPage.bottom = ptPage.y - rectPhysMargins.top - rectPhysMargins.bottom - 1; + + // Print each page + while (lengthPrinted < lengthDoc) + { + ::StartPage(hdc); + + frPrint.chrg.cpMin = (long)lengthPrinted; + frPrint.chrg.cpMax = (long)lengthDoc; + + lengthPrinted = SendEditor(SCI_FORMATRANGE, true, reinterpret_cast<LPARAM>(&frPrint)); + + ::EndPage(hdc); + } + + SendEditor(SCI_FORMATRANGE, FALSE, 0); + + ::EndDoc(hdc); + ::DeleteDC(hdc); + + if (pdlg.hDevMode != NULL) + GlobalFree(pdlg.hDevMode); + if (pdlg.hDevNames != NULL) + GlobalFree(pdlg.hDevNames); + if (pdlg.lpPageRanges != NULL) + GlobalFree(pdlg.lpPageRanges); + + // reset the UI + SendEditor(SCI_SETVIEWWS, viewws); + SendEditor(SCI_SETEDGEMODE, edgemode); + SendEditor(SCI_SETWRAPVISUALFLAGS, SC_WRAPVISUALFLAG_NONE); + } + break; default: break; };
