390 lines
13 KiB
C
390 lines
13 KiB
C
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/*
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+-------------------------------------------------------------------------+
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| MDI Text File Viewer - Printing Routines |
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+-------------------------------------------------------------------------+
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| (c) Copyright 1994 |
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| Microsoft Corp. |
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| All rights reserved |
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| Program : [FVPrint.c] |
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| Programmer : Arthur Hanson |
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| Original Program Date : [Feb 11, 1994] |
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| Last Update : [Feb 11, 1994] |
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| Version: 0.10 |
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| Description: |
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| History: |
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| arth Jul 27, 1993 0.10 Original Version. |
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+-------------------------------------------------------------------------+
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*/
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#include "LogView.h"
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BOOL fAbort;
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HWND hwndPDlg;
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CHAR szDevice[160];
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PSTR szDriver;
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PSTR szPort;
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PSTR szTitle;
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INT iPrinter = 0; // level of available printer support.
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// 0 - no printer available
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// 1 - printer available
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// 2 - driver supports 3.0 device initialization
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HANDLE hInitData=NULL;
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CHAR szExtDeviceMode[] = "EXTDEVICEMODE";
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/*+-------------------------------------------------------------------------+
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| GetPrinterDC() |
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| Creates a printer display context for the default device. As a side |
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| effect, it sets the szDevice and szPort variables. It also sets |
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| iPrinter to the supported level of printing. |
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+-------------------------------------------------------------------------+*/
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HDC APIENTRY GetPrinterDC(BOOL bInformation) {
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HDC hdc;
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LPDEVMODE lpdevmode = NULL;
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iPrinter = 0;
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// Get the printer information from win.ini into a buffer and null terminate it.
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GetProfileString ( TEXT("windows"), TEXT("device"), TEXT(""), szDevice, sizeof(szDevice));
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for (szDriver = szDevice; *szDriver && *szDriver != TEXT(','); szDriver++)
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;
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if (*szDriver)
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*szDriver++ = 0;
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// From the current position in the buffer, null teminate the list of ports
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for (szPort = szDriver; *szPort && *szPort != TEXT(','); szPort++)
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;
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if (*szPort)
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*szPort++ = 0;
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// if the device, driver and port buffers all contain meaningful data, proceed.
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if (!*szDevice || !*szDriver || !*szPort){
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*szDevice = 0;
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return NULL;
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}
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// Create the printer display context
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if (hInitData){
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// Get a pointer to the initialization data
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lpdevmode = (LPDEVMODE) LocalLock (hInitData);
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if (lstrcmp (szDevice, (LPSTR)lpdevmode)) {
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// User has changed the device... cancel this setup, as it is invalid
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// (although if we worked harder we could retain some of it).
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lpdevmode = NULL;
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LocalUnlock (hInitData);
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LocalFree (hInitData);
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hInitData = NULL;
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}
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}
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if (bInformation)
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hdc = CreateIC (szDriver, szDevice, szPort, lpdevmode);
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else
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hdc = CreateDC (szDriver, szDevice, szPort, lpdevmode);
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// Unlock initialization data
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if (hInitData)
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LocalUnlock (hInitData);
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if (!hdc)
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return NULL;
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iPrinter = 1;
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// Find out if ExtDeviceMode() is supported and set flag appropriately
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if (GetProcAddress (LoadLibrary(szDriver), szExtDeviceMode))
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iPrinter = 2;
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return hdc;
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} // GetPrinterDC
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/*+-------------------------------------------------------------------------+
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| AbortProc() |
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| Checks for user abort. |
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+-------------------------------------------------------------------------+*/
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INT APIENTRY AbortProc ( HDC hdc, WORD reserved) {
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MSG msg;
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// Allow other apps to run, or get abort messages
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while (!fAbort && PeekMessage (&msg, NULL, 0, 0, TRUE))
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if (!hwndPDlg || !IsDialogMessage (hwndPDlg, &msg)) {
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TranslateMessage (&msg);
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DispatchMessage (&msg);
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}
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return !fAbort;
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UNREFERENCED_PARAMETER(hdc);
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UNREFERENCED_PARAMETER(reserved);
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} // AbortProc
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/*+-------------------------------------------------------------------------+
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| PrintDlgProc() |
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| Print/Cancel dialog box. |
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+-------------------------------------------------------------------------+*/
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BOOL APIENTRY PrintDlgProc(HWND hwnd, UINT msg, WORD wParam, LONG lParam) {
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switch (msg) {
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case WM_INITDIALOG:
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// Set up information in dialog box
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SetDlgItemText (hwnd, IDD_PRINTTITLE, (LPSTR)szTitle);
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break;
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case WM_COMMAND:
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// abort printing if the only button gets hit
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fAbort = TRUE;
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break;
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default:
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return FALSE;
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}
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return TRUE;
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UNREFERENCED_PARAMETER(wParam);
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UNREFERENCED_PARAMETER(lParam);
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} // PrintDlgProc
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/*+-------------------------------------------------------------------------+
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| PrintFile() |
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| Prints the contents of the edit control. |
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+-------------------------------------------------------------------------+*/
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VOID APIENTRY PrintFile(HWND hwnd) {
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HDC hdc;
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INT yExtPage;
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CHAR sz[32];
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int cch;
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WORD ich;
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PSTR pch;
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WORD iLine;
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WORD nLinesEc;
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WORD i;
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HANDLE hT;
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HWND hwndPDlg;
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DWORD dy;
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INT yExtSoFar;
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WORD fError = TRUE;
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HWND hwndEdit;
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HFONT hFont, hOldFont;
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hwndEdit = (HWND)GetWindowLong(hwnd,GWL_HWNDEDIT);
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// Create the job title by loading the title string from STRINGTABLE
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cch = LoadString (hInst, IDS_PRINTJOB, sz, sizeof(sz));
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szTitle = sz + cch;
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cch += GetWindowText (hwnd, sz + cch, 32 - cch);
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sz[31] = 0;
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// Initialize the printer
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hdc = GetPrinterDC(FALSE);
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if (!hdc)
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goto getout5;
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SetMapMode(hdc, MM_TEXT);
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SelectObject(hdc, GetStockObject(ANSI_FIXED_FONT));
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// Disable the main application window and create the Cancel dialog
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EnableWindow (hwndFrame, FALSE);
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hwndPDlg = CreateDialog (hInst, IDD_PRINT, hwnd, (DLGPROC) PrintDlgProc);
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if (!hwndPDlg)
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goto getout3;
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ShowWindow (hwndPDlg, SW_SHOW);
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UpdateWindow (hwndPDlg);
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// Allow the app. to inform GDI of the escape function to call
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if (Escape(hdc, SETABORTPROC, 0, (LPSTR)AbortProc, NULL) < 0)
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goto getout1;
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// Initialize the document
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if (Escape(hdc, STARTDOC, cch, (LPSTR)sz, NULL) < 0)
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goto getout1;
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// Get the height of one line and the height of a page
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{
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SIZE tmp;
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GetTextExtentPoint(hdc, "CC", 2, &tmp );
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dy = tmp.cy;
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}
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yExtPage = GetDeviceCaps(hdc, VERTRES);
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// Get the lines in document and and a handle to the text buffer
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iLine = 0;
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yExtSoFar = 0;
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nLinesEc = (WORD)SendMessage (hwndEdit, EM_GETLINECOUNT, 0, 0L);
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hT = (HANDLE)SendMessage (hwndEdit, EM_GETHANDLE, 0, 0L);
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// While more lines print out the text
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while (iLine < nLinesEc) {
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if (yExtSoFar + (int) dy > yExtPage) {
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// Reached the end of a page. Tell the device driver to eject a page
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if (Escape(hdc, NEWFRAME, 0, NULL, NULL) < 0 || fAbort)
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goto getout2;
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yExtSoFar = 0;
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}
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// Get the length and position of the line in the buffer and lock from that
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// offset into the buffer.
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ich = (WORD)SendMessage (hwndEdit, EM_LINEINDEX, iLine, 0L);
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cch = (WORD)SendMessage (hwndEdit, EM_LINELENGTH, ich, 0L);
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pch = (PSTR)LocalLock(hT) + ich;
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// Print the line and unlock the text handle
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TextOut (hdc, 0, yExtSoFar, (LPSTR)pch, cch);
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LocalUnlock (hT);
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// Test and see if the Abort flag has been set. If yes, exit.
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if (fAbort)
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goto getout2;
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// Move down the page
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yExtSoFar += dy;
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iLine++;
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}
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// Eject the last page.
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if (Escape(hdc, NEWFRAME, 0, NULL, NULL) < 0)
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goto getout2;
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// Complete the document.
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if (Escape(hdc, ENDDOC, 0, NULL, NULL) < 0) {
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getout2:
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// Ran into a problem before NEWFRAME? Abort the document
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Escape( hdc, ABORTDOC, 0, NULL, NULL);
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} else
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fError=FALSE;
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getout3:
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// Close the cancel dialog and re-enable main app. window
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EnableWindow (hwndFrame, TRUE);
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DestroyWindow (hwndPDlg);
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getout1:
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DeleteDC(hdc);
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getout5:
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#ifdef WIN16
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// Get rid of dialog procedure instances
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FreeProcInstance (lpfnPDlg);
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#endif
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#ifdef WIN16
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getout4:
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FreeProcInstance (lpfnAbort);
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getout:
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#endif
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// Error? make sure the user knows...
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if (fError)
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MPError (hwnd, MB_OK | MB_ICONEXCLAMATION, IDS_PRINTERROR, (LPSTR)szTitle);
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return;
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UNREFERENCED_PARAMETER(i);
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} // PrintFile
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/*+-------------------------------------------------------------------------+
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| GetInitializationData() |
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| Gets DC initialization data from a printer driver supporting |
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| ExtDeviceMode(). Called in response to the File/Printer setup menu |
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| selection. |
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| This function allows the user to change the printer settings FOR |
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| LOGVIEW ONLY. This allows LogView to print in a variety of settings |
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| without messing up any othe applications. |
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+-------------------------------------------------------------------------+*/
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BOOL APIENTRY GetInitializationData( HWND hwnd ) {
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LPSTR lpOld;
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LPSTR lpNew;
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FARPROC lpfn;
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HANDLE hT,hDrv;
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CHAR sz[32];
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int cb;
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INT flag;
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// Pop up dialog for user and retain data in app buffer
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flag = DM_PROMPT | DM_COPY;
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// Load the device driver and find the ExtDeviceMode() function
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wsprintf (sz, "%s.drv", (LPSTR)szDriver);
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if (!(hDrv = LoadLibrary (sz)))
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return FALSE;
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if (!(lpfn = (FARPROC) GetProcAddress (hDrv, szExtDeviceMode)))
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return FALSE;
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if (hInitData) {
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// We have some old data... we want to modify the previously specified
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// setup rather than starting with the default setup.
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lpOld = (LPSTR)LocalLock(hInitData);
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flag |= DM_MODIFY;
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}
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else
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lpOld = NULL;
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// Get the number of bytes needed for the init data
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cb = (int) (*lpfn) (hwnd, hDrv, (LPDEVMODE)NULL, (LPSTR)szDevice, (LPSTR)szPort, (LPDEVMODE)NULL, (LPSTR)NULL, 0);
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// Grab some memory for the new data and lock it.
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hT = LocalAlloc (LHND,cb);
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if(!hT) {
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MessageBox(hwnd, TEXT("<GetInitializationData> Not enough memory."), NULL, MB_OK | MB_ICONHAND);
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LocalUnlock(hInitData);
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LocalFree(hInitData);
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FreeLibrary(hDrv);
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return(FALSE);
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}
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lpNew = (LPSTR)LocalLock (hT);
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// Post the device mode dialog. 0 flag iff user hits OK button
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if ((*lpfn) (hwnd, hDrv, (LPDEVMODE)lpNew, (LPSTR)szDevice, (LPSTR)szPort, (LPDEVMODE)lpOld, (LPSTR)NULL, flag) == IDOK)
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flag = 0;
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// Unlock the input structures
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LocalUnlock (hT);
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if (hInitData)
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LocalUnlock (hInitData);
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// If the user hit OK and everything worked, free the original init. data and
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// retain the new one. Otherwise, toss the new buffer.
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if (flag)
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LocalFree (hT);
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else {
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if (hInitData)
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LocalFree (hInitData);
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hInitData = hT;
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}
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FreeLibrary(hDrv);
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return (!flag);
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} // GetInitializationData
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