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Windows 95 API Bible
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Windows 95 API Bible 3 Disc Set.iso
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Win32 API Bible Book 3 of 3.iso
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chapte12
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tapicall.c
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C/C++ Source or Header
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1996-04-28
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8KB
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292 lines
#include <windows.h>
#include <windowsx.h>
#include "tapiCall.h"
#include "tapi.h"
#define BUFSIZE 256
#if defined (WIN32)
#define IS_WIN32 TRUE
#else
#define IS_WIN32 FALSE
#endif
#define IS_NT IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
#define IS_WIN32S IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
#define IS_WIN95 (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
HINSTANCE hInst; // current instance
HWND hWnd; // parent window handle
HWND hListWnd; // listbox
HDC hdc;
TEXTMETRIC tm ;
LPCTSTR lpszAppName = "tapiRequestMakeCall";
LPCTSTR lpszTitle = "Assisted Telephony Application";
BOOL RegisterWin95( CONST WNDCLASS* lpwc );
int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
WNDCLASS wc;
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon (hInstance, lpszAppName);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wc.lpszMenuName = lpszAppName;
wc.lpszClassName = lpszAppName;
if ( IS_WIN95 )
{
if ( !RegisterWin95( &wc ) )
return( FALSE );
}
else if ( !RegisterClass( &wc ) )
return( FALSE );
hInst = hInstance;
hWnd = CreateWindow( lpszAppName,
lpszTitle,
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0,
CW_USEDEFAULT, 0,
NULL,
NULL,
hInstance,
NULL
);
if ( !hWnd )
return( FALSE );
ShowWindow( hWnd, nCmdShow );
UpdateWindow( hWnd );
while( GetMessage( &msg, NULL, 0, 0) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
return( msg.wParam );
}
BOOL RegisterWin95( CONST WNDCLASS* lpwc )
{
WNDCLASSEX wcex;
wcex.style = lpwc->style;
wcex.lpfnWndProc = lpwc->lpfnWndProc;
wcex.cbClsExtra = lpwc->cbClsExtra;
wcex.cbWndExtra = lpwc->cbWndExtra;
wcex.hInstance = lpwc->hInstance;
wcex.hIcon = lpwc->hIcon;
wcex.hCursor = lpwc->hCursor;
wcex.hbrBackground = lpwc->hbrBackground;
wcex.lpszMenuName = lpwc->lpszMenuName;
wcex.lpszClassName = lpwc->lpszClassName;
// Added elements for Windows 95.
//...............................
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName,
IMAGE_ICON, 16, 16,
LR_DEFAULTCOLOR );
return RegisterClassEx( &wcex );
}
LONG lRet;
char buf[BUFSIZE];
char szName[BUFSIZE];
char szNumber[BUFSIZE];
char szCountry[8];
char szAreaCd[8];
char szCanonical[15];
char szComment[BUFSIZE];
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
switch( uMsg )
{
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_DIAL :
DialogBox( hInst, "IDD_DIALNUM", hWnd, (DLGPROC)Dial );
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
case IDM_ABOUT :
DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
case WM_CREATE :
hdc = GetDC (hWnd) ;
GetTextMetrics (hdc, &tm) ;
ReleaseDC (hWnd, hdc) ;
hListWnd = CreateWindow ("listbox", NULL,
WS_CHILD | WS_VISIBLE,
tm.tmAveCharWidth, tm.tmHeight * 3,
tm.tmAveCharWidth * 16 +
GetSystemMetrics (SM_CXVSCROLL),
tm.tmHeight * 5,
hWnd, (HMENU)1,
(HINSTANCE) hInst, NULL) ;
break;
case WM_SIZE:
MoveWindow(hListWnd, 0, 0, LOWORD(lParam), HIWORD(lParam), TRUE);
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
/****************************************************************************
FUNCTION: tapiError
PURPOSE: Assisted Telphony error messages
****************************************************************************/
void tapiError (LONG lrc)
{
switch (lrc) {
case TAPIERR_NOREQUESTRECIPIENT:
MessageBox (hWnd, "No request recipient.", "", MB_OK);
break;
case TAPIERR_REQUESTQUEUEFULL:
MessageBox (hWnd,"The request queue is full, try again later.", "",
MB_OK);
break;
case TAPIERR_INVALDESTADDRESS:
MessageBox (hWnd, "Invalid destination address.", "", MB_OK);
break;
case TAPIERR_REQUESTFAILED:
MessageBox (hWnd, "The request failed for an unknown reason.", "", MB_OK);
break;
case TAPIERR_INVALPOINTER:
MessageBox (hWnd, "An invalid pointer was passed in as a paramater.", "", MB_OK);
break;
default:
MessageBox (hWnd, "Unknown Error.", "", MB_OK);
break;
}
}
LRESULT CALLBACK About( HWND hDlg,
UINT message,
WPARAM wParam,
LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return (TRUE);
case WM_COMMAND:
if ( LOWORD(wParam) == IDOK
|| LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, TRUE);
return (TRUE);
}
break;
}
return (FALSE);
}
LRESULT CALLBACK Dial ( HWND hDlg, // window handle of the dialog box
UINT message, // type of message
WPARAM wParam, // message-specific information
LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG: // message: initialize dialog box
{
lRet = tapiGetLocationInfo(szCountry, szAreaCd);
if (lRet > 0)
tapiError(lRet);
else
{
SetDlgItemText(hDlg, IDC_COUNTRYCODE, szCountry);
SetDlgItemText(hDlg, IDC_AREACODE, szAreaCd);
}
}
return (TRUE);
case WM_COMMAND: // message: received a command
if ( LOWORD(wParam) == IDOK ) // "OK" box selected?
{
GetDlgItemText(hDlg, IDC_NAME, szName, 128);
GetDlgItemText(hDlg, IDC_NUMBER, szNumber, 128);
GetDlgItemText(hDlg, IDC_COUNTRYCODE, szCountry, 128);
GetDlgItemText(hDlg, IDC_AREACODE, szAreaCd, 128);
GetDlgItemText(hDlg, IDC_COMMENT, szComment, 128);
strcat(szCanonical, szCountry);
strcat(szCanonical, "-");
strcat(szCanonical, szAreaCd);
strcat(szCanonical, "-");
strcat(szCanonical, szNumber);
lRet = tapiRequestMakeCall(szCanonical, lpszAppName, szName, szComment);
if (lRet > 0)
tapiError(lRet);
}
if ( LOWORD(wParam) == IDCANCEL) // "OK" box selected?
{
EndDialog(hDlg, TRUE); // Exit the dialog
return (TRUE);
}
break;
}
return (FALSE);
}