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#include "notepad.h"
#include <strsafe.h>#include <assert.h>
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 RECTGetPrintingRect(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/help-in-notepad-4d68c388-2ff2-0e7f-b706-35fb2ab88a8c */static VOIDDrawHeaderOrFooter(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 CALLBACKDIALOG_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;}