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CICA 1992 November
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CICA_MS_Windows_CD-ROM_Walnut_Creek_November_1992.iso
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win3
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misc
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instal
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install.c
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C/C++ Source or Header
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1991-06-12
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25KB
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678 lines
/*----------------------------------------------------------------------------*\
| install.c - A template for a Windows application installer |
| |
\*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*\
| |
| i n c l u d e f i l e s |
| |
\*----------------------------------------------------------------------------*/
#include "lobotomy.h"
#include <windows.h>
#include "wslib\sulib.h"
#include "wslib\ws.h"
#include "wslib\progdde.h"
#include "wslib\gauge.h"
#include "install.h"
/*----------------------------------------------------------------------------*\
| |
| g l o b a l v a r i a b l e s |
| |
\*----------------------------------------------------------------------------*/
char szCaption[] = "Setup Application";
char szNull[] = "";
HWND hwndWS;
HANDLE hInstWS;
BOOL fMono;
PSTR szText;
char szString[MAXSTR];
int dyChar;
int dxChar;
WORD capsScreen;
WORD fExit;
char bufTmp[MAXSTR];
PSTR pErrMsg;
/*----------------------------------------------------------------------------*\
| |
| f u n c t i o n d e f i n i t i o n s |
| |
\*----------------------------------------------------------------------------*/
LONG FAR PASCAL AppWndProc (HWND hwnd, unsigned uiMessage, WORD wParam, LONG lParam);
void PRIVATE infDlgFixup(HWND hwnd);
LONG NEAR PASCAL AppCommand(HWND hwnd, unsigned msg, WORD wParam, LONG lParam);
BOOL FAR PASCAL AppExit(HWND hDlg, unsigned uiMessage, WORD wParam, LONG lParam);
BOOL PRIVATE fnCheckDiskSpace(void);
/*----------------------------------------------------------------------------*\
| AppInit( hInst, hPrev) |
| |
| Description: |
| This procedure is called when the application is first loaded into |
| memory. It performs any initialization tasks that need to be done only |
| for the first instance of the application. |
| |
| Arguments: |
| hInstance instance handle of current instance |
| hPrev instance handle of previous instance |
| |
| Returns: |
| TRUE if successful, FALSE if not |
| |
\*----------------------------------------------------------------------------*/
BOOL AppInit(HANDLE hInst,HANDLE hPrev,WORD sw,LPSTR szCmdLine)
{
WNDCLASS cls;
int dx,dy;
char ach[80];
HMENU hmenu;
HDC hdc;
OFSTRUCT os;
char szAppName[MAXSTR];
char buf[MAXSTR];
RECT rc;
TEXTMETRIC tm;
PINF pinf;
#ifdef DEBUG
dprintf("%C");
#endif
/* Save the instance handle for the DialogBox */
hInstWS = hInst;
/* Display the hourglass cursor */
wsStartWait();
if (OpenFile(wsLoadSz(IDS_INFNAME,NULL), &os, OF_EXIST) == -1) {
wsEndWait();
MessageBox(NULL, wsLoadSz(IDS_NOINF, NULL), szCaption, MB_OK | MB_ICONEXCLAMATION);
return FALSE;
}
GlobalCompact((LONG)(-1)); // help infOpen() succeed
pinf = infOpen(os.szPathName);
wsEndWait();
WinAssert(pinf);
if (!pinf) {
MessageBox(NULL, wsLoadSz(IDS_NOINFMEM, NULL), szCaption, MB_OK | MB_ICONEXCLAMATION);
return FALSE;
}
hdc = GetDC(NULL);
fMono = GetDeviceCaps(hdc, NUMCOLORS) == 2;
capsScreen = GetDeviceCaps(hdc, RASTERCAPS);
GetTextMetrics(hdc,&tm);
dyChar = tm.tmHeight;
dxChar = tm.tmAveCharWidth;
ReleaseDC(NULL,hdc);
if (!hPrev) {
/* Register a class for the main application window */
cls.hCursor = LoadCursor(NULL,IDC_ARROW);
cls.hIcon = NULL; //LoadIcon(hInst,MAKEINTATOM(ID_APP));
cls.lpszMenuName = NULL;
cls.lpszClassName = MAKEINTATOM(ID_APP);
cls.hbrBackground = (HBRUSH)COLOR_WINDOW + 1;
cls.hInstance = hInst;
cls.style = CS_BYTEALIGNCLIENT | CS_VREDRAW | CS_HREDRAW | CS_DBLCLKS;
cls.lpfnWndProc = AppWndProc;
cls.cbWndExtra = 0;
cls.cbClsExtra = 0;
if (!RegisterClass(&cls))
return FALSE;
}
hwndWS = CreateWindow (MAKEINTATOM(ID_APP), // Class name
szAppName, // Caption
WS_OVERLAPPEDWINDOW, // Style bits
0,0,0,0, // Position, size
(HWND)NULL, // Parent window (no parent)
(HMENU)NULL, // use class menu
(HANDLE)hInst, // handle to window instance
(LPSTR)NULL // no params to pass on
);
/* Create the "stext" class used in progress dialogs */
if (!ControlInit(hPrev,hInst))
return FALSE;
if (!ProInit(hPrev,hInst))
return FALSE;
if (!ddeInit(hInst, hPrev))
return FALSE;
fExit = 0;
/*
* szSetupInf is the directory or file name where SETUP.INF can be found
*
* szSetupPath is the directory to which application files will be copied
*
* szDiskPath is the directory where the root of the setup disks are
*
*/
DosCwd(szDiskPath);
lstrcpy(szSetupInf,szDiskPath);
return TRUE;
}
/*----------------------------------------------------------------------------*\
| WinMain( hInst, hPrev, lpszCmdLine, cmdShow ) |
| |
| Description: |
| |
| Arguments: |
| hInst instance handle of this instance of the application |
| hPrev instance handle of previous instance. NULL if this is the |
| instance of the application |
| szCmdLine null-terminated command line |
| cmdShow specifies how the application's window is initially displayed |
| |
| Returns: |
| The exit code as specified in the WM_QUIT message. |
| |
\*----------------------------------------------------------------------------*/
int PASCAL WinMain(HANDLE hInst, HANDLE hPrev, LPSTR szCmdLine, WORD sw)
{
char szLocalTmp[MAXSTR];
/* Call the initialization procedure */
if (!AppInit(hInst,hPrev,sw,szCmdLine))
return FALSE;
/* Loop until the user specifies a destination with sufficent disk space */
while(TRUE) {
if (! fDialog(DLG_WINSETUP, hwndWS, wsInstallDlg) ) {
DestroyWindow(hwndWS); // Kill the appllication, right now!
return TRUE;
}
if (! fnCheckDiskSpace() )
fnOkMsgBox(IDS_NEEDROOM);
else
break;
}
ProOpen(hwndWS, NULL);
/* Build groups only if all the copy tasks are successful. */
if ( wsCopy(wsLoadSz(IDS_WINCOPY,szLocalTmp)) ) {
wsProgman(hwndWS);
/* Inform user that the copy process is complete. */
MessageBox(NULL,wsLoadSz(IDS_FINISHED,NULL),szCaption,MB_OK);
return TRUE;
}
return FALSE;
}
/* BOOL PRIVATE fnCheckDiskSpace(void);
*
* This function checks disk space on the specified destination drive
* against the minimum disk space requirement specified in the .INF file.
*
* Arguments: None.
*
* Returns:
*
* Boolean value:
* TRUE if the current destination provides sufficent disk space.
* FALSE if the current destination does not provide sufficient disk space.
*
*/
BOOL PRIVATE fnCheckDiskSpace(void)
{
char szLocalTmp[MAXSTR];
infLookup(wsLoadSz(IDS_DISKSPACE,NULL),szLocalTmp);
if ( DosDiskFreeSpace(szSetupPath[0] - '@') >= atoi(szLocalTmp) )
return TRUE;
else
return FALSE;
}
/*----------------------------------------------------------------------------*\
| AppWndProc( hwnd, uiMessage, wParam, lParam ) |
| |
| Description: |
| The window proc for the application's main window. This processes all |
| of the parent window's messages. |
| |
| Arguments: |
| hwnd window handle for the window |
| uiMessage message number |
| wParam message-dependent |
| lParam message-dependent |
| |
| Returns: |
| 0 if processed, nonzero if ignored |
| |
\*----------------------------------------------------------------------------*/
LONG FAR PASCAL AppWndProc(hwnd, msg, wParam, lParam)
HWND hwnd;
unsigned msg;
WORD wParam;
long lParam;
{
PAINTSTRUCT ps;
BOOL f;
HDC hdc;
switch (msg) {
case WM_COMMAND:
return AppCommand(hwnd,msg,wParam,lParam);
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return DefWindowProc(hwnd,msg,wParam,lParam);
}
/* AppCommand (hwnd, msg, wParam, lParam)
*
* This function handles commands passed to main application windows.
*
*/
LONG NEAR PASCAL AppCommand (hwnd, msg, wParam, lParam)
HWND hwnd;
unsigned msg;
WORD wParam;
long lParam;
{
char szTmpStr[256];
switch(wParam)
{
case ID_EXITSETUP:
if ( fnErrorMsg(IDS_EXITMSG) ) {
ProClose();
DestroyWindow(hwndWS);
}
break;
}
return 0L;
}
/* fnErrorMsg(int ID_Error_Message);
*
* This function displays a system-modal message box and
* lets user choose yes or no in response to the message box.
*
* Arguments:
*
* ID_Error_Message Resource ID of message to be displayed in the
* message box.
* Returns:
*
* TRUE if the user chooses the Yes button.
* FALSE if the user chooses the No button.
*
*/
BOOL PUBLIC fnErrorMsg(ID_Error_Message)
int ID_Error_Message;
{
char szTmpStr[256];
wsLoadSz(ID_Error_Message,szTmpStr);
if ( MessageBox(NULL,szTmpStr,wsLoadSz(IDS_EXITCAPTION,NULL),STD_EXIT_MSGBOX) == IDYES )
return TRUE;
else
return FALSE;
}
/* fnOkMsgBox(int ID_Error_Message);
*
* This function displays a system-modal message box and
* lets user choose yes or no in response to the message box.
*
* Arguments:
*
* ID_Error_Message Resource ID of message to be displayed in the
* message box.
* Returns:
*
* Nothing.
*
*/
VOID PUBLIC fnOkMsgBox(ID_Error_Message)
int ID_Error_Message;
{
char szTmpStr[256];
wsLoadSz(ID_Error_Message,szTmpStr);
MessageBox(NULL,szTmpStr,wsLoadSz(IDS_EXITCAPTION,NULL),STD_OK_MSGBOX);
}
/*----------------------------------------------------------------------------*\
| fDialog(id,hwnd,fpfn) |
| |
| Description: |
| This function displays a dialog box and returns the exit code. |
| The function passed will have a proc instance made for it. |
| |
| This also handles special keyboard input by calling CheckSpecialKeys(). |
| |
| |
| Arguments: |
| id resource id of dialog to display |
| hwnd parent window of dialog |
| fpfn dialog message function |
| |
| Returns: |
| exit code of dialog (what was passed to EndDialog) |
| |
\*----------------------------------------------------------------------------*/
int FAR fDialog(int id, HWND hwnd, FARPROC fpfn)
{
int result = 0;
fpfn = MakeProcInstance(fpfn,hInstWS);
if (!fpfn)
goto ERR_EXIT;
result = DialogBox(hInstWS, MAKEINTRESOURCE(id), hwnd, fpfn);
FreeProcInstance(fpfn);
ERR_EXIT:
return result;
}
/*----------------------------------------------------------------------------*\
| wsDlgInit(hDlg) |
| |
| Handle the init message for a dialog box. |
| |
\*----------------------------------------------------------------------------*/
void PUBLIC wsDlgInit(HWND hDlg)
{
RECT rc;
/*
* Center the dialog.
*/
GetWindowRect(hDlg,&rc);
SetWindowPos(hDlg,NULL,
(GetSystemMetrics(SM_CXSCREEN) - (rc.right - rc.left)) / 2,
(GetSystemMetrics(SM_CYSCREEN) - (rc.bottom - rc.top)) / 3,
0, 0, SWP_NOSIZE | SWP_NOACTIVATE);
infDlgFixup(hDlg);
// enable hwndWS to allow keyboard input
if (hwndWS == GetParent(hDlg))
EnableWindow(hwndWS,TRUE);
}
/*----------------------------------------------------------------------------*\
| infDlgFixup() |
| |
| If the dialog caption text or the text of any control has the form |
| |
| section.text |
| |
| then this function changes the text to the text found in APPSETUP.INF. |
| |
\*----------------------------------------------------------------------------*/
void PRIVATE infDlgFixup(HWND hwnd)
{
if (GetWindowText(hwnd,bufTmp,sizeof(bufTmp)))
{
if (infLookup(bufTmp,bufTmp))
SetWindowText(hwnd,bufTmp);
}
hwnd = GetWindow(hwnd,GW_CHILD);
while (hwnd)
{
infDlgFixup(hwnd);
hwnd = GetWindow(hwnd,GW_HWNDNEXT);
}
}
/*----------------------------------------------------------------------------*\
| wsStartWait() |
| |
| Displays an hourglass cursor. |
| |
\*----------------------------------------------------------------------------*/
void PUBLIC wsStartWait()
{
SetCursor(LoadCursor(NULL,MAKEINTATOM(IDC_WAIT)));
}
/*----------------------------------------------------------------------------*\
| wsEndWait() |
| |
| Restores the cursor to its original shape. |
| |
\*----------------------------------------------------------------------------*/
void PUBLIC wsEndWait()
{
SetCursor(LoadCursor(NULL,MAKEINTATOM(IDC_ARROW)));
}
/*---------------------------------------------------------------------------*/
/* */
/* PRIV text control that uses ExtTextOut(), thus avoiding flicker. */
/* */
/*---------------------------------------------------------------------------*/
LONG FAR PASCAL fnText( hwnd, msg, wParam, lParam )
HWND hwnd;
unsigned msg;
WORD wParam;
LONG lParam;
{
PAINTSTRUCT ps;
RECT rc;
char ach[128];
int len;
switch (msg)
{
case WM_SETTEXT:
DefWindowProc(hwnd, msg, wParam, lParam);
InvalidateRect(hwnd,NULL,FALSE);
UpdateWindow(hwnd);
return 0L;
case WM_ERASEBKGND:
return 0L;
case WM_PAINT:
BeginPaint(hwnd, &ps);
GetClientRect(hwnd,&rc);
len = GetWindowText(hwnd,ach,sizeof(ach));
SetBkColor(ps.hdc,GetSysColor(COLOR_WINDOW));
SetTextColor(ps.hdc,GetSysColor(COLOR_WINDOWTEXT));
ExtTextOut(ps.hdc,0,0,ETO_OPAQUE,&rc,ach,len,NULL);
EndPaint(hwnd, &ps);
return 0L;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
/*----------------------------------------------------------------------------*\
| wsLoadSz() |
| |
| Description: |
| Loads a string from our resource file |
| |
| ids ID of string to load |
| pch buffer in which to place the string. If pch is NULL, the |
| string will be placed in a global buffer. |
| |
| Returns: |
| near pointer to the loaded string |
| |
\*----------------------------------------------------------------------------*/
PSTR PUBLIC wsLoadSz(int ids, PSTR pch)
{
if (pch == NULL)
pch = bufTmp;
LoadString(hInstWS,ids,pch,MAXSTR);
return pch;
}
/*----------------------------------------------------------------------------*\
| wsInstallDlg( hDlg, uiMessage, wParam, lParam ) |
| |
| Returns: |
| TRUE if message has been processed, else FALSE |
| |
\*----------------------------------------------------------------------------*/
BOOL EXPORT wsInstallDlg( hDlg, uiMessage, wParam, lParam )
HWND hDlg;
unsigned uiMessage;
WORD wParam;
long lParam;
{
WORD fOptions;
HWND hEditFld;
char szTmpBuf[MAXSTR];
switch (uiMessage)
{
case WM_SYSCOMMAND: // suppress taskman
if (wParam == SC_TASKLIST)
return TRUE;
break;
case WM_COMMAND:
switch (wParam)
{
case ID_OK:
GetDlgItemText(hDlg,ID_EDIT1,szSetupPath,MAXPATHLEN);
EndDialog(hDlg, TRUE);
break;
case ID_CANCEL:
// make this the same as pressing F3
if ( fnErrorMsg(IDS_EXITMSG) )
EndDialog(hDlg, FALSE);
break;
}
return TRUE;
/* On init we need to:
* - Put default text in edit field.
* - Set focus to edit field.
* - Place cursor at end of edit field text.
*/
case WM_INITDIALOG:
wsDlgInit(hDlg);
hEditFld = GetDlgItem(hDlg,ID_EDIT1);
infLookup(wsLoadSz(IDS_DEFAULT_DIR,NULL),szTmpBuf);
SetDlgItemText(hDlg,ID_EDIT1,szTmpBuf);
SetFocus(hEditFld);
SendMessage(hEditFld,EM_SETSEL,0,MAKELONG(lstrlen(szTmpBuf),lstrlen(szTmpBuf)));
return FALSE;
}
return FALSE;
}
/*----------------------------------------------------------------------------*\
| wsErrorDlg( hDlg, uiMessage, wParam, lParam ) |
| |
| Arguments: |
| hDlg window handle of About dialog's window |
| uiMessage message number |
| wParam message-dependent |
| lParam message-dependent |
| |
| Returns: |
| TRUE if message has been processed, else FALSE |
| |
\*----------------------------------------------------------------------------*/
BOOL FAR PASCAL wsErrorDlg(HWND hDlg, unsigned uiMessage, WORD wParam, long lParam)
{
switch (uiMessage)
{
case WM_COMMAND:
switch (wParam)
{
case ID_RETRY:
EndDialog(hDlg,FC_RETRY);
break;
case ID_ABORT:
EndDialog(hDlg,FC_ABORT);
break;
case ID_IGNORE:
EndDialog(hDlg,FC_IGNORE);
break;
}
return TRUE;
case WM_INITDIALOG:
SetDlgItemText(hDlg, ID_STATUS1, pErrMsg);
wsDlgInit(hDlg);
return TRUE;
}
return FALSE;
}
#ifdef DEBUG
/* FAR _Assert(char*,int);
*
* Called as a result of an assertion failure. Will print out an error
* dialog containing the file and line number at which the assertion failure
* occured.
*
* ENTRY: Only from an assertion failure.
* EXIT : Fatal Error (exit to MS-DOS).
*
*/
int FAR _Assert(PSTR szFile, int iLine)
{
int id;
char buf[128];
fsprintf(buf,"%s : %d",szFile,iLine);
id = MessageBox(NULL,buf,"WinAssert",MB_ABORTRETRYIGNORE|MB_ICONEXCLAMATION|MB_DEFBUTTON3|MB_SYSTEMMODAL);
switch (id)
{
case IDABORT:
DosExit(-1); /* Terminate application immediately. */
case IDIGNORE:
break;
}
return 0;
}
#endif
