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maxedit.c
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maxedit.c
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//' $Header: P:/PVCS/MAX/MAXEDIT/MAXEDIT.C_V 1.18 10 Jul 1996 10:58:14 BOB $
// MAXEDIT.C - .INI and .PRO editor
// Copyright (c) 1995-6 Qualitas, Inc. GNU General Public License version 3.
#include "maxedit.h"
#include "commdlg.h"
#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
// define message variables
#define SETUP_MSG_DEFVARS 1
#include "messages.h"
#define SEGMENT 4096
/* global variables used in this module or among more than one module */
PRINTDLG pd; /* Common print dialog structure */
OFSTRUCT of;
HANDLE hInst; /* Program instance handle */
HANDLE hAccel; /* Main accelerator resource */
HWND hwndFrame = NULL; /* Handle to main window */
HWND hwndMDIClient = NULL; /* Handle to MDI client */
HWND hwndToolbar = NULL;
HWND hwndActive = NULL; /* Handle to currently activated child */
HWND hwndActiveEdit = NULL; /* Handle to edit control */
LPSTR lpMenu = (LPSTR)IDMAXEDIT; /* Contains the resource id of the */
/* current frame menu */
char szFrame[] = "MaxEditFrame"; /* Class name for "frame" window */
char szChild[] = "MaxEditChild"; /* Class name for MDI window */
char szIniName[80]; // MAXEDIT.INI pathname
char szINISection[] = "MAXedit - General";
char szHelpName[80];
char szMaxPath[80];
/* Forward declarations of helper functions in this module */
void WalkWindowList(void);
VOID PASCAL InitializeMenu ( HANDLE );
VOID PASCAL CommandHandler ( HWND, WORD );
BOOL PASCAL QueryCloseAllChildren ( VOID );
int PASCAL QueryCloseChild ( HWND );
static HWND AlreadyOpen( char * );
static void PASCAL MakePathName ( char *, char * );
static void StripLeading( char *, char * );
static void StripTrailing( char *arg, char *);
static void WritePrivateProfileInt(char *, char *, int);
BOOL FindBreak( LPSTR *lpStart, LPSTR *lpEnd, int nCount, char ch );
int FormatLine( HDC hDC, LPSTR szIn, WORD nInLen, LPSTR FAR *lpRetStr,
WORD nMaxPoints, WORD nTabs );
int PASCAL WinMain( HANDLE hInstance, HANDLE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow )
{
MSG msg;
char szTemp[80];
if (hPrevInstance) {
WalkWindowList( );
return 0;
}
hInst = hInstance;
// set .INI name
GetWindowsDirectory( szIniName, 80 );
MakePathName( szIniName, "QMAX.INI" );
// get name of .HLP file
GetPrivateProfileString( "CONFIG", "Qualitas MAX Path", "c:\\qmax", szMaxPath, 80, szIniName );
GetPrivateProfileString( "CONFIG", "Qualitas MAX Help", "maxhelp.hlp", szTemp, 80, szIniName );
lstrcpy( szHelpName, szMaxPath );
MakePathName( szHelpName, szTemp );
if (!InitializeApplication ())
return 0;
// initialize 3-D support
//Ctl3dRegister( hInstance );
//Ctl3dAutoSubclass( hInstance );
if (!InitializeInstance ( lpszCmdLine, nCmdShow ))
return 0;
// main message loop
while (GetMessage (&msg, NULL, 0, 0)) {
if ( !TranslateMDISysAccel (hwndMDIClient, &msg) && !TranslateAccelerator (hwndFrame, hAccel, &msg)) {
TranslateMessage (&msg);
DispatchMessage (&msg);
}
}
return 0;
}
// Walks the lists of top level windows, looking for previously loaded
// module's HWND, then switching to it
void WalkWindowList( void )
{
char szModuleName[10];
HWND hWnd;
// Get the desktop window. Then, get its first child window.
// This is the start of the list of top level windows.
if ((hWnd = GetDesktopWindow()) == 0)
return;
hWnd = GetWindow(hWnd, GW_CHILD);
while (hWnd) {
// window can't be owned, and must be visible.
if ((GetWindow(hWnd, GW_OWNER) == 0) && (IsWindowVisible(hWnd))) {
HTASK hTask;
hTask = GetWindowTask(hWnd);
wsprintf(szModuleName, "%.8s", MAKELP(hTask, 0xF2));
if (lstrcmpi(szModuleName, "MAXedit") == 0) {
if (IsIconic(hWnd))
ShowWindow(hWnd, SW_RESTORE);
SetWindowPos( hWnd, HWND_TOP, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_SHOWWINDOW );
SetFocus( hWnd );
break;
}
}
hWnd = GetWindow(hWnd, GW_HWNDNEXT); // Go on to next window
}
}
BOOL PASCAL InitializeApplication( void )
{
WNDCLASS wc;
/* Register the frame class */
wc.style = 0;
wc.lpfnWndProc = MPFrameWndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInst;
wc.hIcon = LoadIcon( hInst, IDMAXEDIT );
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
wc.hbrBackground = COLOR_APPWORKSPACE+1;
wc.lpszMenuName = IDMAXEDIT;
wc.lpszClassName = szFrame;
if (!RegisterClass (&wc) )
return FALSE;
/* Register the MDI child class */
wc.lpfnWndProc = MPMDIChildWndProc;
wc.hIcon = LoadIcon( hInst, IDCHILDICO );
wc.lpszMenuName = NULL;
wc.cbWndExtra = CBWNDEXTRA;
wc.lpszClassName = szChild;
/* fill in non-variant fields of PRINTDLG struct. */
pd.lStructSize = sizeof( PRINTDLG );
pd.hDevMode = NULL;
pd.hDevNames = NULL;
pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_NOPAGENUMS;
pd.nCopies = 1;
if (!RegisterClass(&wc))
return FALSE;
/*
wc.style = CS_HREDRAW | CS_VREDRAW | CS_BYTEALIGNCLIENT;
wc.lpfnWndProc = ControlBarWndProc ;
wc.cbClsExtra = 0 ;
wc.cbWndExtra = 0 ;
wc.hInstance = hInst ;
wc.hIcon = NULL;
wc.hCursor = LoadCursor (NULL, IDC_ARROW) ;
wc.hbrBackground = GetStockObject ( LTGRAY_BRUSH );
wc.lpszMenuName = (LPSTR) NULL ;
wc.lpszClassName = "classControlBar" ;
if (!RegisterClass (&wc))
return (FALSE);
*/
return TRUE;
}
BOOL PASCAL InitializeInstance( LPSTR lpCmdLine, WORD nCmdShow )
{
extern HWND hwndMDIClient;
char sz[260];
OFSTRUCT of;
HFILE fh;
int fSection = 0;
int nLeft, nTop, nWidth, nHeight;
/* Get the base window title */
LoadString (hInst, IDS_APPNAME, sz, sizeof(sz));
nLeft = GetPrivateProfileInt( szINISection, "left", CW_USEDEFAULT, szIniName );
nTop = GetPrivateProfileInt( szINISection, "top", CW_USEDEFAULT, szIniName );
nWidth = GetPrivateProfileInt( szINISection, "width", CW_USEDEFAULT, szIniName );
nHeight = GetPrivateProfileInt( szINISection, "height", CW_USEDEFAULT, szIniName );
/* Create the frame */
hwndFrame = CreateWindow(szFrame, sz, WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN,
nLeft, nTop, nWidth, nHeight, NULL, NULL, hInst, NULL);
if ((!hwndFrame) || (!hwndMDIClient))
return FALSE;
// initialize the toolbar
// BuildTools ( );
pd.hwndOwner = hwndFrame;
/* Load main menu accelerators */
if (!(hAccel = LoadAccelerators (hInst, IDMAXEDIT)))
return FALSE;
/* Display the frame window */
ShowWindow (hwndFrame, nCmdShow);
UpdateWindow (hwndFrame);
// display the toolbar window
// ShowWindow( hwndToolbar, SW_SHOW );
/* Add the MDI windows */
// search for .INI file QMAX.INI
if ((fh = OpenFile( szIniName, &of, OF_READ )) != HFILE_ERROR ) {
int nMaxSize, i, n;
while ((( nMaxSize = _lread( fh, sz, sizeof(sz) - 1 )) != HFILE_ERROR ) && (nMaxSize > 0)) {
// get a line and set the file pointer to the next line
sz[nMaxSize] = '\0';
StripLeading( sz, " \t\r\n\x1A" );
i = n = 0;
sscanf( sz, "%*[^\r\n\x1A]%n %n", &n, &i );
if (n > 0)
sz[n] = '\0';
// ignore comments & section headers
if ((sz[0] != ';') && (sz[0] != '\0'))
if (fSection == 0) {
if (lstrcmpi(sz, "[MAXedit - Files]") == 0)
fSection = 1;
} else {
if (sz[0] == '[')
break;
if (n > 0) {
StripTrailing( sz, "=" );
AddFile( sz );
}
if (i == 0)
break;
}
(void)_llseek( fh, (long)(i - nMaxSize), SEEK_CUR );
}
_lclose (fh);
}
if (fSection == 0) {
AddFile( "c:\\config.sys" );
AddFile( "c:\\autoexec.bat" );
GetWindowsDirectory( sz, 128 );
MakePathName( sz, "system.ini" );
AddFile( sz );
GetWindowsDirectory( sz, 128 );
MakePathName( sz, "win.ini" );
AddFile( sz );
}
return TRUE;
}
LONG FAR PASCAL __export MPFrameWndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
switch ( msg ) {
case WM_CREATE:
{
CLIENTCREATESTRUCT ccs;
// wIconWidth = 28;
// wIconHeight = 36;
/* Find window menu where children will be listed */
ccs.hWindowMenu = GetSubMenu (GetMenu(hwnd), WINDOWMENU);
ccs.idFirstChild = IDM_WINDOWCHILD;
/* Create the MDI client filling the client area */
hwndMDIClient = CreateWindow ( "mdiclient",
NULL, WS_CHILD | WS_CLIPCHILDREN | WS_VSCROLL | WS_HSCROLL,
0, 0, 0, 0, hwnd, 0xCAC, hInst, (LPSTR)&ccs);
ShowWindow ( hwndMDIClient, SW_SHOW );
break;
}
case WM_INITMENU:
/* Set up the menu state */
InitializeMenu ((HMENU)wParam);
break;
case WM_COMMAND:
/* Direct all menu selection or accelerator commands to another
* function */
CommandHandler ( hwnd, wParam );
break;
case WM_SIZE:
if ((wParam == SIZENORMAL) || (wParam == SIZEFULLSCREEN)) {
WORD wWidth, wHeight;
wWidth = LOWORD (lParam);
wHeight = HIWORD (lParam);
MoveWindow( hwndMDIClient, 0, 0, wWidth, wHeight, TRUE );
}
break;
case WM_CLOSE:
case WM_QUERYENDSESSION:
{
RECT rect;
GetWindowRect( hwnd, &rect );
WritePrivateProfileInt( szINISection, "left", rect.left );
WritePrivateProfileInt( szINISection, "top", rect.top );
WritePrivateProfileInt( szINISection, "width", rect.right - rect.left );
WritePrivateProfileInt( szINISection, "height", rect.bottom - rect.top );
if (msg == WM_CLOSE) {
/* don't close if any children cancel the operation */
if (!QueryCloseAllChildren ())
break;
WinHelp(hwnd, szHelpName, HELP_QUIT, 0L);
DestroyWindow (hwnd);
break;
}
/* Before session ends, check that all files are saved */
return QueryCloseAllChildren ();
}
case WM_DESTROY:
// DestroyTools();
// free the PrintDlg allocated memory.
if (pd.hDevNames) {
GlobalFree(pd.hDevNames);
pd.hDevNames = 0;
}
if (pd.hDevMode) {
GlobalFree(pd.hDevMode);
pd.hDevMode = 0;
}
//Ctl3dUnregister( hInst );
PostQuitMessage ( 0 );
break;
default:
/* use DefFrameProc() instead of DefWindowProc() since there
* are things that have to be handled differently because of MDI */
return DefFrameProc ( hwnd, hwndMDIClient, msg, wParam, lParam );
}
return 0;
}
LONG FAR PASCAL __export MPMDIChildWndProc ( HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam )
{
HWND hwndEdit;
LPVOID lpPtr;
GLOBALHANDLE ghEditDS;
switch (msg){
case WM_CREATE:
if ((ghEditDS = GlobalAlloc( GMEM_DDESHARE | GMEM_MOVEABLE | GMEM_ZEROINIT, SEGMENT )) == 0) {
MessageBox( hwnd, szMsg_CantAlloc, szMsg_NoMem, MB_OK | MB_ICONSTOP );
PostQuitMessage ( 0 );
return 0;
}
lpPtr = GlobalLock( ghEditDS );
LocalInit(HIWORD((LONG)lpPtr), 0, (WORD)(GlobalSize(ghEditDS) - 16));
UnlockSegment( HIWORD((LONG)lpPtr) );
/* Create an edit control */
hwndEdit = CreateWindow ( "edit", NULL,
WS_CHILD|WS_HSCROLL | WS_MAXIMIZE | WS_VISIBLE |
WS_VSCROLL | ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_MULTILINE,
0, 0, 0, 0, hwnd, ID_EDIT, HIWORD((LONG)lpPtr), NULL);
// increase edit control limit to 64K
SendMessage(hwndEdit, EM_LIMITTEXT, 0xFFF0, 0L);
/* Remember the window handle and initialize some window attributes */
SetWindowWord ( hwnd, GWW_HWNDEDIT, (WORD)hwndEdit );
SetWindowWord ( hwnd, GWW_CHANGED, FALSE );
SetWindowWord ( hwnd, GWW_WORDWRAP, FALSE );
SetWindowWord ( hwnd, GWW_UNTITLED, TRUE );
SetWindowLong ( hwnd, GWW_EDITPTR, (LONG)lpPtr );
SetFocus ( hwndEdit );
break;
case WM_MDIACTIVATE:
/* If we're activating this child, remember it */
if (wParam) {
hwndActive = hwnd;
hwndActiveEdit = (HWND)GetWindowWord (hwnd, GWW_HWNDEDIT );
} else {
hwndActive = NULL;
hwndActiveEdit = NULL;
}
break;
case WM_QUERYENDSESSION:
/* Prompt to save the child */
return (!QueryCloseChild ( hwnd ));
case WM_CLOSE:
/* If its OK to close the child, do so, else ignore */
if (QueryCloseChild ( hwnd ))
goto CallDCP;
else
break;
case WM_SIZE:
{
RECT rc;
/* On creation or resize, size the edit control. */
hwndEdit = GetWindowWord ( hwnd, GWW_HWNDEDIT );
GetClientRect ( hwnd, &rc );
MoveWindow ( hwndEdit, rc.left, rc.top,
rc.right-rc.left, rc.bottom-rc.top, TRUE );
goto CallDCP;
}
case WM_SETFOCUS:
SetFocus (GetWindowWord (hwnd, GWW_HWNDEDIT ));
break;
case WM_COMMAND:
switch (wParam){
case ID_EDIT:
switch (HIWORD(lParam)) {
case EN_CHANGE:
/* If the contents of the edit control have changed,
set the changed flag */
SetWindowWord (hwnd, GWW_CHANGED, TRUE);
break;
case EN_ERRSPACE:
/* If the control is out of space, honk */
MessageBeep (0);
break;
default:
goto CallDCP;
}
break;
case IDM_FILESAVE:
/* If empty or unchanged file, ignore save */
if ((GetWindowWord(hwnd, GWW_UNTITLED)) /*&& (!ChangeFile(hwnd))*/)
break;
/* Save the contents of the edit control and reset the
* changed flag */
SaveFile (hwnd);
SetWindowWord (hwnd, GWW_CHANGED, FALSE);
break;
default:
goto CallDCP;
}
break;
default:
CallDCP:
/* Again, since the MDI default behaviour is a little different,
* call DefMDIChildProc instead of DefWindowProc() */
return DefMDIChildProc (hwnd, msg, wParam, lParam);
}
return FALSE;
}
/****************************************************************************
* *
* FUNCTION : AboutDlgProc ( hwnd, msg, wParam, lParam ) *
* *
* PURPOSE : Dialog function for the About MAXEDIT... dialog. *
* *
****************************************************************************/
BOOL CALLBACK __export AboutDlgProc ( HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam )
{
char szBuffer[256], szName[64], szCompany[64], szSerial[32];
switch (msg) {
case WM_INITDIALOG:
// get name & company from QMAX.INI
GetPrivateProfileString( "Registration", "Name", "", szName, sizeof(szName), szIniName );
GetPrivateProfileString( "Registration", "Company", "", szCompany, sizeof(szCompany), szIniName );
GetPrivateProfileString( "Registration", "S/N", "", szSerial, sizeof(szSerial), szIniName );
wsprintf( szBuffer, "%s\r\n%s\r\nS/N %s", (char _far *)szName, (char _far *)szCompany, (char _far *)szSerial );
SetDlgItemText( hDlg, 102, szBuffer );
return TRUE;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDOK:
EndDialog(hDlg, TRUE);
return TRUE;
}
}
return FALSE;
}
/****************************************************************************
* *
* FUNCTION : InitializeMenu ( hMenu ) *
* *
* PURPOSE : Sets up greying, enabling and checking of main menu items *
* based on the app's state. *
* *
****************************************************************************/
VOID PASCAL InitializeMenu ( register HANDLE hmenu )
{
register WORD status;
int i;
long l;
/* Is there any active child to talk to? */
if ( hwndActiveEdit ) {
/* If edit control can respond to an undo request, enable the
* undo selection. */
if (SendMessage (hwndActiveEdit, EM_CANUNDO, 0, 0L))
status = MF_ENABLED;
else
status = MF_GRAYED;
EnableMenuItem (hmenu, IDM_EDITUNDO, status);
/* If edit control is non-empty, allow cut/copy/clear */
l = SendMessage (hwndActiveEdit, EM_GETSEL, 0, 0L);
status = (HIWORD(l) == LOWORD(l)) ? MF_GRAYED : MF_ENABLED;
EnableMenuItem (hmenu, IDM_EDITCUT, status);
EnableMenuItem (hmenu, IDM_EDITCOPY, status);
EnableMenuItem (hmenu, IDM_EDITCLEAR, status);
status=MF_GRAYED;
/* If the clipboard contains some CF_TEXT data, allow paste */
if (OpenClipboard (hwndFrame)){
int wFmt = 0;
while (wFmt = EnumClipboardFormats (wFmt)) {
if (wFmt == CF_TEXT) {
status = MF_ENABLED;
break;
}
}
CloseClipboard ();
}
EnableMenuItem (hmenu, IDM_EDITPASTE, status);
/* Enable search menu items only if there is a search string */
if (*szSearch)
status = MF_ENABLED;
else
status = MF_GRAYED;
EnableMenuItem (hmenu, IDM_SEARCHNEXT, status);
EnableMenuItem (hmenu, IDM_SEARCHPREV, status);
/* select all and wrap toggle always enabled */
status = MF_ENABLED;
EnableMenuItem(hmenu, IDM_EDITSELECT, status);
EnableMenuItem(hmenu, IDM_SEARCHFIND, status);
} else {
/* There are no active child windows */
status = MF_GRAYED;
/* No active window, so disable everything */
for (i = IDM_EDITFIRST; i <= IDM_EDITLAST; i++)
EnableMenuItem (hmenu, i, status);
for (i = IDM_SEARCHFIRST; i <= IDM_SEARCHLAST; i++)
EnableMenuItem (hmenu, i, status);
EnableMenuItem (hmenu, IDM_FILEPRINT, status);
}
/* The following menu items are enabled if there is an active window */
EnableMenuItem (hmenu, IDM_FILESAVE, status);
EnableMenuItem (hmenu, IDM_FILESAVEAS, status);
EnableMenuItem (hmenu, IDM_WINDOWTILE, status);
EnableMenuItem (hmenu, IDM_WINDOWCASCADE, status);
EnableMenuItem (hmenu, IDM_WINDOWICONS, status);
}
/****************************************************************************
* *
* FUNCTION : CloseAllChildren () *
* *
* PURPOSE : Destroys all MDI child windows. *
* *
****************************************************************************/
VOID PASCAL CloseAllChildren ()
{
register HWND hwndT;
/* hide the MDI client window to avoid multiple repaints */
ShowWindow(hwndMDIClient,SW_HIDE);
/* As long as the MDI client has a child, destroy it */
while ( hwndT = GetWindow (hwndMDIClient, GW_CHILD)){
/* Skip the icon title windows */
while (hwndT && GetWindow (hwndT, GW_OWNER))
hwndT = GetWindow (hwndT, GW_HWNDNEXT);
if (!hwndT)
break;
SendMessage (hwndMDIClient, WM_MDIDESTROY, (WORD)hwndT, 0L);
}
}
/****************************************************************************
* *
* FUNCTION : CommandHandler () *
* *
* PURPOSE : Processes all "frame" WM_COMMAND messages. *
* *
****************************************************************************/
VOID PASCAL CommandHandler ( register HWND hwnd, register WORD wParam )
{
HWND hwndFile;
DWORD FlagSave;
switch (wParam) {
case IDM_FILENEW:
/* Add a new, empty MDI child */
AddFile (NULL);
break;
case IDM_FILEOPEN:
ReadFile (hwnd);
break;
case IDM_FILESAVE:
/* Save the active child MDI */
SendMessage (hwndActive, WM_COMMAND, IDM_FILESAVE, 0L);
break;
case IDM_FILESAVEAS:
/* Save active child MDI under another name */
if (ChangeFile (hwndActive))
SendMessage (hwndActive, WM_COMMAND, IDM_FILESAVE, 0L);
break;
case IDM_FILEPRINT:
/* Print the active child MDI */
PrintFile (hwndActive);
break;
case IDM_FILESETUP:
FlagSave = pd.Flags;
pd.Flags |= PD_PRINTSETUP; /* Set option */
PrintDlg((LPPRINTDLG)&pd);
pd.Flags = FlagSave; /* Remove option */
break;
case IDM_FILEEXIT:
// Close Maxedit
SendMessage (hwnd, WM_CLOSE, 0, 0L);
break;
case IDM_HELPHELP:
WinHelp( hwnd, szHelpName, HELP_KEY, (DWORD)((char _far *) szHKEY_Over ));
break;
case IDM_HELPSEARCH:
WinHelp( hwnd, szHelpName, HELP_PARTIALKEY, (DWORD)((char _far *)"") );
break;
case IDM_HELPTS:
WinHelp( hwnd, szHelpName, HELP_KEY, (DWORD)((char _far *) szHKEY_TechS ));
break;
case IDM_HELPABOUT: {
FARPROC lpfn;
lpfn = MakeProcInstance( AboutDlgProc, hInst );
DialogBox (hInst, IDD_ABOUT, hwnd, lpfn);
FreeProcInstance (lpfn);
break;
}
/* The following are edit commands. Pass these off to the active
* child's edit control window. */
case IDM_EDITCOPY:
SendMessage (hwndActiveEdit, WM_COPY, 0, 0L);
break;
case IDM_EDITPASTE:
SendMessage (hwndActiveEdit, WM_PASTE, 0, 0L);
break;
case IDM_EDITCUT:
SendMessage (hwndActiveEdit, WM_CUT, 0, 0L);
break;
case IDM_EDITCLEAR:
SendMessage (hwndActiveEdit, EM_REPLACESEL, 0, ( LONG)(LPSTR)"");
break;
case IDM_EDITSELECT:
SendMessage (hwndActiveEdit, EM_SETSEL, 0, MAKELONG(0, 0xe000));
break;
case IDM_EDITUNDO:
SendMessage (hwndActiveEdit, EM_UNDO, 0, 0L);
break;
case IDM_SEARCHFIND:
// Put up the find dialog box
Find ();
break;
case IDM_SEARCHNEXT:
// Find next occurence
FindNext ();
break;
case IDM_SEARCHPREV:
// Find previous occurence
FindPrev ();
break;
case IDM_EDITINI:
// Is file already open?
if (hwndFile = AlreadyOpen(szIniName)) {
// Yes -- bring the file's window to the top
BringWindowToTop( hwndFile );
} else
AddFile( szIniName );
break;
/* The following are window commands - these are handled by the
* MDI Client. */
case IDM_WINDOWTILE:
/* Tile MDI windows */
SendMessage (hwndMDIClient, WM_MDITILE, 0, 0L );
break;
case IDM_WINDOWCASCADE:
/* Cascade MDI windows */
SendMessage (hwndMDIClient, WM_MDICASCADE, 0, 0L );
break;
case IDM_WINDOWICONS:
/* Auto - arrange MDI icons */
SendMessage (hwndMDIClient, WM_MDIICONARRANGE, 0, 0L);
break;
default:
/* This is essential, since there are frame WM_COMMANDS generated
* by the MDI system for activating child windows via the
* window menu. */
DefFrameProc(hwnd, hwndMDIClient, WM_COMMAND, wParam, 0L);
}
}
/****************************************************************************
* *
* FUNCTION : MPError ( hwnd, flags, id, ...) *
* *
* PURPOSE : Flashes a Message Box to the user. The format string is *
* taken from the STRINGTABLE. *
* *
* RETURNS : Returns value returned by MessageBox() to the caller. *
* *
****************************************************************************/
short CDECL MPError(HWND hwnd, WORD bFlags, WORD id, ...)
{
char sz[160];
char szFmt[128];
LoadString (hInst, id, szFmt, sizeof (szFmt));
wvsprintf (sz, szFmt, (LPSTR)(&id + 1));
LoadString (hInst, IDS_APPNAME, szFmt, sizeof(szFmt) );
return (MessageBox (hwndFrame, sz, szFmt, bFlags ));
}
/****************************************************************************
* *
* FUNCTION : QueryCloseAllChildren() *
* *
* PURPOSE : Asks the child windows if it is ok to close up app. Nothing*
* is destroyed at this point. The z-order is not changed. *
* *
* RETURNS : TRUE - If all children agree to the query. *
* FALSE- If any one of them disagrees. *
* *
****************************************************************************/
BOOL PASCAL QueryCloseAllChildren(void)
{
register HWND hwndT;
for ( hwndT = GetWindow (hwndMDIClient, GW_CHILD); hwndT; hwndT = GetWindow (hwndT, GW_HWNDNEXT) ) {
/* Skip if an icon title window */
if (GetWindow (hwndT, GW_OWNER))
continue;
if (SendMessage (hwndT, WM_QUERYENDSESSION, 0, 0L))
return FALSE;
}
return TRUE;
}
/****************************************************************************
* *
* FUNCTION : QueryCloseChild (hwnd) *
* *
* PURPOSE : If the child MDI is unsaved, allow the user to save, not *
* save, or cancel the close operation. *
* *
* RETURNS : TRUE - if user chooses save or not save, or if the file *
* has not changed. *
* FALSE - otherwise. *
* *
****************************************************************************/
BOOL PASCAL QueryCloseChild( register HWND hwnd )
{
char sz [80];
register int i;
/* Return OK if edit control has not changed. */
if (!GetWindowWord (hwnd, GWW_CHANGED))
return TRUE;
GetWindowText (hwnd, sz, sizeof(sz));
/* Ask user whether to save / not save / cancel */
i = MPError (hwnd, MB_YESNOCANCEL|MB_ICONQUESTION,IDS_CLOSESAVE, (LPSTR)sz);
switch (i){
case IDYES:
/* User wants file saved */
SaveFile(hwnd);
break;
case IDNO:
/* User doesn't want file saved */
break;
default:
/* We couldn't do the messagebox, or not ok to close */
return FALSE;
}
return TRUE;
}
BOOL fAbort; /* TRUE if the user has aborted the print job */
HWND hwndPDlg; /* Handle to the cancel print dialog */
PSTR szTitle; /* Global pointer to job title */
HANDLE hInitData=NULL; /* handle to initialization data */
/****************************************************************************
* *
* FUNCTION : GetPrinterDC () *
* *
* PURPOSE : Creates a printer display context for the printer *
* *
* RETURNS : HDC - A handle to printer DC. *
* *
****************************************************************************/
HDC PASCAL GetPrinterDC(void)
{
HDC hDC;
LPDEVMODE lpDevMode = NULL;
LPDEVNAMES lpDevNames;
LPSTR lpszDriverName;
LPSTR lpszDeviceName;
LPSTR lpszPortName;
if (!PrintDlg((LPPRINTDLG)&pd))
return (NULL);
if (pd.hDC)
hDC = pd.hDC;
else {
if (!pd.hDevNames)
return(NULL);
lpDevNames = (LPDEVNAMES)GlobalLock(pd.hDevNames);
lpszDriverName = (LPSTR)lpDevNames + lpDevNames->wDriverOffset;
lpszDeviceName = (LPSTR)lpDevNames + lpDevNames->wDeviceOffset;
lpszPortName = (LPSTR)lpDevNames + lpDevNames->wOutputOffset;
GlobalUnlock(pd.hDevNames);
if (pd.hDevMode)
lpDevMode = (LPDEVMODE)GlobalLock(pd.hDevMode);
hDC = CreateDC(lpszDriverName, lpszDeviceName, lpszPortName, (LPSTR)lpDevMode);
if (pd.hDevMode && lpDevMode)
GlobalUnlock(pd.hDevMode);
}
#if 0
if (pd.hDevNames) {
GlobalFree(pd.hDevNames);
pd.hDevNames = 0;
}
if (pd.hDevMode) {
GlobalFree(pd.hDevMode);
pd.hDevMode = 0;
}
#endif
return(hDC);
}
/****************************************************************************
* *
* FUNCTION : AbortProc() *
* *
* PURPOSE : To be called by GDI print code to check for user abort. *
* *
****************************************************************************/
int FAR PASCAL __export AbortProc ( HDC hdc, WORD reserved )
{
MSG msg;
/* Allow other apps to run, or get abort messages */
while (!fAbort && PeekMessage (&msg, NULL, NULL, NULL, TRUE))
if (!hwndPDlg || !IsDialogMessage (hwndPDlg, &msg)) {
TranslateMessage (&msg);
DispatchMessage (&msg);
}
return !fAbort;
}
/****************************************************************************
* *
* FUNCTION : PrintDlgProc () *