/* * PROJECT: ReactOS Notepad * LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later) * PURPOSE: Providing a Windows-compatible simple text editor for ReactOS * COPYRIGHT: Copyright 1998,99 Marcel Baur * Copyright 2002 Sylvain Petreolle * Copyright 2002 Andriy Palamarchuk * Copyright 2020-2023 Katayama Hirofumi MZ */ #include "notepad.h" #include #include static VOID AlertPrintError(VOID) { TCHAR szUntitled[MAX_STRING_LEN]; LoadString(Globals.hInstance, STRING_UNTITLED, szUntitled, _countof(szUntitled)); DIALOG_StringMsgBox(Globals.hMainWnd, STRING_PRINTERROR, Globals.szFileName[0] ? Globals.szFileName : szUntitled, MB_ICONEXCLAMATION | MB_OK); } static RECT GetPrintingRect(IN HDC hdc, IN LPCRECT pMargins) { INT iLogPixelsX = GetDeviceCaps(hdc, LOGPIXELSX); INT iLogPixelsY = GetDeviceCaps(hdc, LOGPIXELSY); INT iHorzRes = GetDeviceCaps(hdc, HORZRES); /* in pixels */ INT iVertRes = GetDeviceCaps(hdc, VERTRES); /* in pixels */ RECT rcPrintRect, rcPhysical; #define CONVERT_X(x) MulDiv((x), iLogPixelsX, 2540) /* 100th millimeters to pixels */ #define CONVERT_Y(y) MulDiv((y), iLogPixelsY, 2540) /* 100th millimeters to pixels */ SetRect(&rcPrintRect, CONVERT_X(pMargins->left), CONVERT_Y(pMargins->top), iHorzRes - CONVERT_X(pMargins->right), iVertRes - CONVERT_Y(pMargins->bottom)); rcPhysical.left = GetDeviceCaps(hdc, PHYSICALOFFSETX); rcPhysical.right = rcPhysical.left + GetDeviceCaps(hdc, PHYSICALWIDTH); rcPhysical.top = GetDeviceCaps(hdc, PHYSICALOFFSETY); rcPhysical.bottom = rcPhysical.top + GetDeviceCaps(hdc, PHYSICALHEIGHT); /* Adjust the margin */ rcPrintRect.left = max(rcPrintRect.left, rcPhysical.left); rcPrintRect.top = max(rcPrintRect.top, rcPhysical.top); rcPrintRect.right = min(rcPrintRect.right, rcPhysical.right); rcPrintRect.bottom = min(rcPrintRect.bottom, rcPhysical.bottom); return rcPrintRect; } static INT GetSelectionTextLength(HWND hWnd) { DWORD dwStart = 0, dwEnd = 0; SendMessage(hWnd, EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); return dwEnd - dwStart; } static INT GetSelectionText(HWND hWnd, LPTSTR lpString, INT nMaxCount) { DWORD dwStart = 0, dwEnd = 0; INT cchText = GetWindowTextLength(hWnd); LPTSTR pszText; HLOCAL hLocal; HRESULT hr; SendMessage(hWnd, EM_GETSEL, (WPARAM)&dwStart, (LPARAM)&dwEnd); if (!lpString || dwStart == dwEnd || cchText == 0) return 0; hLocal = (HLOCAL)SendMessage(hWnd, EM_GETHANDLE, 0, 0); pszText = (LPTSTR)LocalLock(hLocal); if (!pszText) return 0; hr = StringCchCopyN(lpString, nMaxCount, pszText + dwStart, dwEnd - dwStart); LocalUnlock(hLocal); switch (hr) { case S_OK: return dwEnd - dwStart; case STRSAFE_E_INSUFFICIENT_BUFFER: return nMaxCount - 1; default: return 0; } } typedef struct { PRINTDLG printer; HWND hwndDlg; INT status; INT currentPage; RECT printRect; SYSTEMTIME stNow; HFONT hHeaderFont; HFONT hBodyFont; LPTSTR pszText; DWORD ich; DWORD cchText; INT cyHeader; INT cySpacing; INT cyFooter; } PRINT_DATA, *PPRINT_DATA; /* Convert the points into pixels */ #define X_POINTS_TO_PIXELS(hDC, points) MulDiv((points), GetDeviceCaps((hDC), LOGPIXELSX), 72) #define Y_POINTS_TO_PIXELS(hDC, points) MulDiv((points), GetDeviceCaps((hDC), LOGPIXELSY), 72) /* * See also: * https://support.microsoft.com/en-us/windows/changing-header-and-footer-commands-in-notepad-c1b0e27b-497d-c478-c4c1-0da491cac148 */ static VOID DrawHeaderOrFooter(HDC hDC, LPRECT pRect, LPCTSTR pszFormat, INT nPageNo, const SYSTEMTIME *pstNow) { TCHAR szText[256], szField[128]; const TCHAR *pchFormat; UINT uAlign = DT_CENTER, uFlags = DT_SINGLELINE | DT_VCENTER | DT_NOPREFIX; HGDIOBJ hOldPen, hOldBrush; /* Draw a rectangle */ hOldPen = SelectObject(hDC, GetStockObject(BLACK_PEN)); hOldBrush = SelectObject(hDC, GetStockObject(NULL_BRUSH)); Rectangle(hDC, pRect->left, pRect->top, pRect->right, pRect->bottom); SelectObject(hDC, hOldBrush); SelectObject(hDC, hOldPen); InflateRect(pRect, -X_POINTS_TO_PIXELS(hDC, 3), 0); /* Shrink 3pt */ szText[0] = 0; for (pchFormat = pszFormat; *pchFormat; ++pchFormat) { if (*pchFormat != _T('&')) { StringCchCatN(szText, _countof(szText), pchFormat, 1); continue; } ++pchFormat; if (*pchFormat == 0) break; switch (_totupper(*pchFormat)) /* Make it uppercase */ { case _T('&'): /* Found double ampersand */ StringCchCat(szText, _countof(szText), TEXT("&")); break; case _T('L'): /* Left */ DrawText(hDC, szText, -1, pRect, uAlign | uFlags); szText[0] = 0; uAlign = DT_LEFT; break; case _T('C'): /* Center */ DrawText(hDC, szText, -1, pRect, uAlign | uFlags); szText[0] = 0; uAlign = DT_CENTER; break; case _T('R'): /* Right */ DrawText(hDC, szText, -1, pRect, uAlign | uFlags); szText[0] = 0; uAlign = DT_RIGHT; break; case _T('D'): /* Date */ GetDateFormat(LOCALE_USER_DEFAULT, 0, pstNow, NULL, szField, (INT)_countof(szField)); StringCchCat(szText, _countof(szText), szField); break; case _T('T'): /* Time */ GetTimeFormat(LOCALE_USER_DEFAULT, 0, pstNow, NULL, szField, (INT)_countof(szField)); StringCchCat(szText, _countof(szText), szField); break; case _T('F'): /* Filename */ StringCchCat(szText, _countof(szText), Globals.szFileTitle); break; case _T('P'): /* Page number */ StringCchPrintf(szField, _countof(szField), TEXT("%u"), nPageNo); StringCchCat(szText, _countof(szText), szField); break; default: /* Otherwise */ szField[0] = _T('&'); szField[1] = *pchFormat; szField[2] = 0; StringCchCat(szText, _countof(szText), szField); break; } } DrawText(hDC, szText, -1, pRect, uAlign | uFlags); } static BOOL DoPrintBody(PPRINT_DATA pData, DWORD PageCount, BOOL bSkipPage) { LPPRINTDLG pPrinter = &pData->printer; RECT printRect = pData->printRect; INT xLeft = printRect.left, yTop = printRect.top + pData->cyHeader + pData->cySpacing; INT xStart, tabWidth; DWORD ichStart; SIZE charMetrics; TEXTMETRIC tmText; /* Calculate a tab width */ #define TAB_STOP 8 GetTextMetrics(pPrinter->hDC, &tmText); tabWidth = TAB_STOP * tmText.tmAveCharWidth; #define DO_FLUSH() do { \ if (ichStart < pData->ich && !bSkipPage) { \ TextOut(pPrinter->hDC, xStart, yTop, &pData->pszText[ichStart], pData->ich - ichStart); \ } \ ichStart = pData->ich; \ xStart = xLeft; \ if (pData->status == STRING_PRINTCANCELING) return FALSE; \ } while (0) /* The drawing-body loop */ for (ichStart = pData->ich, xStart = xLeft; pData->ich < pData->cchText; ) { TCHAR ch = pData->pszText[pData->ich]; if (ch == _T('\r')) { DO_FLUSH(); pData->ich++; /* Next char */ ichStart = pData->ich; continue; } if (ch == _T('\n')) { DO_FLUSH(); /* Next line */ yTop += tmText.tmHeight; xLeft = xStart = printRect.left; } else { if (ch == _T('\t')) { INT nStepWidth = tabWidth - ((xLeft - printRect.left) % tabWidth); DO_FLUSH(); /* Go to the next tab stop */ xLeft += nStepWidth; xStart = xLeft; } else /* Normal char */ { GetTextExtentPoint32(pPrinter->hDC, &ch, 1, &charMetrics); xLeft += charMetrics.cx; } /* Insert a line break if the next position reached the right edge */ if (xLeft + charMetrics.cx >= printRect.right) { if (ch != _T('\t')) DO_FLUSH(); /* Next line */ yTop += tmText.tmHeight; xLeft = xStart = printRect.left; } } pData->ich++; /* Next char */ if (ch == _T('\t') || ch == _T('\n')) ichStart = pData->ich; if (yTop + tmText.tmHeight >= printRect.bottom - pData->cyFooter) break; /* The next line reached the body bottom */ } DO_FLUSH(); return TRUE; } static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount) { LPPRINTDLG pPrinter = &pData->printer; BOOL bSkipPage, ret; HFONT hOldFont; /* Should we skip this page? */ bSkipPage = !(pPrinter->Flags & PD_SELECTION) && (pPrinter->Flags & PD_PAGENUMS) && !(pPrinter->nFromPage <= PageCount && PageCount <= pPrinter->nToPage); /* The prologue of a page */ if (!bSkipPage) { if (StartPage(pPrinter->hDC) <= 0) { pData->status = STRING_PRINTFAILED; return FALSE; } if (pData->cyHeader > 0) { /* Draw the page header */ RECT rc = pData->printRect; rc.bottom = rc.top + pData->cyHeader; hOldFont = SelectObject(pPrinter->hDC, pData->hHeaderFont); DrawHeaderOrFooter(pPrinter->hDC, &rc, Globals.szHeader, PageCount, &pData->stNow); SelectObject(pPrinter->hDC, hOldFont); /* De-select the font */ } } hOldFont = SelectObject(pPrinter->hDC, pData->hBodyFont); ret = DoPrintBody(pData, PageCount, bSkipPage); SelectObject(pPrinter->hDC, hOldFont); if (!ret) return FALSE; /* Canceled */ /* The epilogue of a page */ if (!bSkipPage) { if (pData->cyFooter > 0) { /* Draw the page footer */ RECT rc = pData->printRect; rc.top = rc.bottom - pData->cyFooter; hOldFont = SelectObject(pPrinter->hDC, pData->hHeaderFont); DrawHeaderOrFooter(pPrinter->hDC, &rc, Globals.szFooter, PageCount, &pData->stNow); SelectObject(pPrinter->hDC, hOldFont); } if (EndPage(pPrinter->hDC) <= 0) { pData->status = STRING_PRINTFAILED; return FALSE; } } return TRUE; } #define BODY_FONT_SIZE 10 /* 10pt */ #define HEADER_FONT_SIZE 9 /* 9pt */ #define SPACING_HEIGHT 4 /* 4pt */ #define PRINTING_MESSAGE (WM_USER + 100) static BOOL DoCreatePrintFonts(LPPRINTDLG pPrinter, PPRINT_DATA pPrintData) { LOGFONT lfBody, lfHeader; /* Create the main text font for printing */ lfBody = Globals.lfFont; lfBody.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, BODY_FONT_SIZE); pPrintData->hBodyFont = CreateFontIndirect(&lfBody); if (pPrintData->hBodyFont == NULL) return FALSE; /* Create the header/footer font */ lfHeader = Globals.lfFont; lfHeader.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, HEADER_FONT_SIZE); lfHeader.lfWeight = FW_BOLD; pPrintData->hHeaderFont = CreateFontIndirect(&lfHeader); if (pPrintData->hHeaderFont == NULL) return FALSE; return TRUE; } static BOOL DoPrintDocument(PPRINT_DATA printData) { DOCINFO docInfo; LPPRINTDLG pPrinter = &printData->printer; DWORD CopyCount, PageCount; TEXTMETRIC tmHeader; BOOL ret = FALSE; HFONT hOldFont; GetLocalTime(&printData->stNow); printData->printRect = GetPrintingRect(pPrinter->hDC, &Globals.lMargins); if (!DoCreatePrintFonts(pPrinter, printData)) { printData->status = STRING_PRINTFAILED; goto Quit; } if (pPrinter->Flags & PD_SELECTION) printData->cchText = GetSelectionTextLength(Globals.hEdit); else printData->cchText = GetWindowTextLength(Globals.hEdit); /* Allocate a buffer for the text */ printData->pszText = HeapAlloc(GetProcessHeap(), 0, (printData->cchText + 1) * sizeof(TCHAR)); if (!printData->pszText) { printData->status = STRING_PRINTFAILED; goto Quit; } if (pPrinter->Flags & PD_SELECTION) GetSelectionText(Globals.hEdit, printData->pszText, printData->cchText + 1); else GetWindowText(Globals.hEdit, printData->pszText, printData->cchText + 1); /* Start a document */ ZeroMemory(&docInfo, sizeof(docInfo)); docInfo.cbSize = sizeof(DOCINFO); docInfo.lpszDocName = Globals.szFileTitle; if (StartDoc(pPrinter->hDC, &docInfo) <= 0) { printData->status = STRING_PRINTFAILED; goto Quit; } /* Calculate the header and footer heights */ hOldFont = SelectObject(pPrinter->hDC, printData->hHeaderFont); GetTextMetrics(pPrinter->hDC, &tmHeader); printData->cyHeader = printData->cyFooter = 2 * tmHeader.tmHeight; printData->cySpacing = Y_POINTS_TO_PIXELS(pPrinter->hDC, SPACING_HEIGHT); SelectObject(pPrinter->hDC, hOldFont); /* De-select the font */ if (!Globals.szHeader[0]) printData->cyHeader = printData->cySpacing = 0; if (!Globals.szFooter[0]) printData->cyFooter = 0; /* The printing-copies loop */ for (CopyCount = 1; CopyCount <= pPrinter->nCopies; ++CopyCount) { /* The printing-pages loop */ for (PageCount = 1, printData->ich = 0; printData->ich < printData->cchText; ++PageCount) { printData->currentPage = PageCount; PostMessage(printData->hwndDlg, PRINTING_MESSAGE, 0, 0); if (!DoPrintPage(printData, PageCount)) { AbortDoc(pPrinter->hDC); /* Cancel printing */ goto Quit; } } } if (EndDoc(pPrinter->hDC) <= 0) { printData->status = STRING_PRINTFAILED; goto Quit; } ret = TRUE; printData->status = STRING_PRINTCOMPLETE; Quit: DeleteObject(printData->hHeaderFont); DeleteObject(printData->hBodyFont); if (printData->pszText) HeapFree(GetProcessHeap(), 0, printData->pszText); if (printData->status == STRING_PRINTCANCELING) printData->status = STRING_PRINTCANCELED; PostMessage(printData->hwndDlg, PRINTING_MESSAGE, 0, 0); return ret; } static DWORD WINAPI PrintThreadFunc(LPVOID arg) { PPRINT_DATA pData = arg; pData->currentPage = 1; pData->status = STRING_NOWPRINTING; PostMessage(pData->hwndDlg, PRINTING_MESSAGE, 0, 0); return DoPrintDocument(pData); } static INT_PTR CALLBACK DIALOG_Printing_DialogProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) { TCHAR szText[MAX_STRING_LEN]; static TCHAR s_szPage[64]; static PPRINT_DATA s_pData = NULL; static HANDLE s_hThread = NULL; switch (uMsg) { case WM_INITDIALOG: s_pData = (PPRINT_DATA)lParam; s_pData->hwndDlg = hwnd; SetDlgItemText(hwnd, IDC_PRINTING_FILENAME, Globals.szFileTitle); GetDlgItemText(hwnd, IDC_PRINTING_PAGE, s_szPage, _countof(s_szPage)); SetDlgItemText(hwnd, IDC_PRINTING_PAGE, NULL); s_hThread = CreateThread(NULL, 0, PrintThreadFunc, s_pData, 0, NULL); if (!s_hThread) { s_pData->status = STRING_PRINTFAILED; EndDialog(hwnd, IDABORT); } return TRUE; case PRINTING_MESSAGE: switch (s_pData->status) { case STRING_NOWPRINTING: case STRING_PRINTCANCELING: StringCchPrintf(szText, _countof(szText), s_szPage, s_pData->currentPage); SetDlgItemText(hwnd, IDC_PRINTING_PAGE, szText); LoadString(Globals.hInstance, s_pData->status, szText, _countof(szText)); SetDlgItemText(hwnd, IDC_PRINTING_STATUS, szText); break; case STRING_PRINTCOMPLETE: case STRING_PRINTCANCELED: case STRING_PRINTFAILED: LoadString(Globals.hInstance, s_pData->status, szText, _countof(szText)); SetDlgItemText(hwnd, IDC_PRINTING_STATUS, szText); if (s_pData->status == STRING_PRINTCOMPLETE) EndDialog(hwnd, IDOK); else if (s_pData->status == STRING_PRINTFAILED) EndDialog(hwnd, IDABORT); else EndDialog(hwnd, IDCANCEL); break; } break; case WM_COMMAND: if (LOWORD(wParam) == IDCANCEL && s_pData->status == STRING_NOWPRINTING) { EnableWindow(GetDlgItem(hwnd, IDCANCEL), FALSE); s_pData->status = STRING_PRINTCANCELING; PostMessage(hwnd, PRINTING_MESSAGE, 0, 0); } break; case WM_DESTROY: if (s_hThread) CloseHandle(s_hThread); DeleteDC(s_pData->printer.hDC); s_pData = LocalFree(s_pData); break; } return 0; } VOID DIALOG_FilePrint(VOID) { BOOL ret; LPPRINTDLG printer; PPRINT_DATA printData = LocalAlloc(LPTR, sizeof(PRINT_DATA)); if (!printData) { ShowLastError(); return; } printer = &printData->printer; printer->lStructSize = sizeof(PRINTDLG); printer->hwndOwner = Globals.hMainWnd; printer->Flags = PD_RETURNDC | PD_SELECTION; /* Disable the selection radio button if there is no text selected */ if (!GetSelectionTextLength(Globals.hEdit)) printer->Flags |= PD_NOSELECTION; printer->nFromPage = 1; printer->nToPage = MAXWORD; printer->nMinPage = 1; printer->nMaxPage = MAXWORD; printer->hDevMode = Globals.hDevMode; printer->hDevNames = Globals.hDevNames; ret = PrintDlg(printer); /* NOTE: Even if PrintDlg returns FALSE, hDevMode and hDevNames may have changed. */ Globals.hDevMode = printer->hDevMode; Globals.hDevNames = printer->hDevNames; if (!ret) { LocalFree(printData); return; /* The user canceled printing */ } assert(printer->hDC != NULL); /* Ensure that each logical unit maps to one pixel */ SetMapMode(printer->hDC, MM_TEXT); if (DialogBoxParam(Globals.hInstance, MAKEINTRESOURCE(DIALOG_PRINTING), Globals.hMainWnd, DIALOG_Printing_DialogProc, (LPARAM)printer) == IDABORT) { AlertPrintError(); } } /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * DIALOG_PAGESETUP_Hook */ static UINT_PTR CALLBACK DIALOG_PAGESETUP_Hook(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) { switch (uMsg) { case WM_INITDIALOG: /* fetch last user input prior to display dialog */ SetDlgItemText(hDlg, 0x141, Globals.szHeader); SetDlgItemText(hDlg, 0x143, Globals.szFooter); break; case WM_COMMAND: { if (HIWORD(wParam) == BN_CLICKED) { switch (LOWORD(wParam)) { case IDOK: /* save user input and close dialog */ GetDlgItemText(hDlg, 0x141, Globals.szHeader, _countof(Globals.szHeader)); GetDlgItemText(hDlg, 0x143, Globals.szFooter, _countof(Globals.szFooter)); return FALSE; case IDCANCEL: /* discard user input and close dialog */ return FALSE; case IDHELP: { /* FIXME: Bring this to work */ static const TCHAR sorry[] = _T("Sorry, no help available"); static const TCHAR help[] = _T("Help"); MessageBox(Globals.hMainWnd, sorry, help, MB_ICONEXCLAMATION); return TRUE; } default: break; } } break; } } return FALSE; } /*********************************************************************** * DIALOG_FilePageSetup */ VOID DIALOG_FilePageSetup(VOID) { PAGESETUPDLG page; ZeroMemory(&page, sizeof(page)); page.lStructSize = sizeof(page); page.hwndOwner = Globals.hMainWnd; page.Flags = PSD_ENABLEPAGESETUPTEMPLATE | PSD_ENABLEPAGESETUPHOOK | PSD_MARGINS; page.hInstance = Globals.hInstance; page.rtMargin = Globals.lMargins; page.hDevMode = Globals.hDevMode; page.hDevNames = Globals.hDevNames; page.lpPageSetupTemplateName = MAKEINTRESOURCE(DIALOG_PAGESETUP); page.lpfnPageSetupHook = DIALOG_PAGESETUP_Hook; PageSetupDlg(&page); /* NOTE: Even if PageSetupDlg returns FALSE, the following members may have changed */ Globals.hDevMode = page.hDevMode; Globals.hDevNames = page.hDevNames; Globals.lMargins = page.rtMargin; }