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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 1 of 3
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CHAPTER6
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CRACCTBL.C
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C/C++ Source or Header
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1996-01-15
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8KB
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269 lines
#include <windows.h>
#include "CrAccTbl.h"
#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
LPCTSTR lpszAppName = "MyApp";
LPCTSTR lpszTitle = "My Application";
HACCEL hAccel = NULL;
BOOL RegisterWin95( CONST WNDCLASS* lpwc );
int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
LPTSTR lpCmdLine, int nCmdShow)
{
MSG msg;
HWND hWnd;
WNDCLASS wc;
// Register the main application window class.
//............................................
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;
// Create the main application window.
//....................................
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) )
{
if ( !hAccel || !TranslateAccelerator( hWnd, hAccel, &msg ) )
{
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 );
}
#define IDM_NEWBASE 300
VOID AddNewTestItem( HWND hWnd )
{
static int nNum = 0;
char szMenuItem[20];
HMENU hMenu = GetMenu( hWnd );
ACCEL* pAccelData = NULL;
ACCEL* pCurAccel = NULL;
HANDLE hAccelData = NULL;
int nNumAccel = 1;
// Maximum of 4 new items allowed.
//................................
if ( nNum == 4 )
return;
// If accelerator table exists, get the number of items.
//......................................................
if ( hAccel )
{
nNumAccel = CopyAcceleratorTable( hAccel, NULL, 0 ) + 1;
}
// Allocate an array of ACCEL structures.
//.......................................
hAccelData = GlobalAlloc( GHND, sizeof(ACCEL) * nNumAccel );
if ( hAccelData )
pAccelData = (ACCEL*)GlobalLock( hAccelData );
// If an accelerator table exists, copy the items into
// the newly allocated array.
//....................................................
if ( hAccel && pAccelData )
{
CopyAcceleratorTable( hAccel, pAccelData, nNumAccel-1 );
DestroyAcceleratorTable( hAccel );
hAccel = NULL;
}
// Add the new menu option and accelerator key
//............................................
if ( pAccelData )
{
// Get a pointer to the new accelerator key in
// the array.
//............................................
pCurAccel = (ACCEL*)(pAccelData+nNumAccel-1);
// Create a new menu option on the menu.
//......................................
nNum++;
wsprintf( szMenuItem, "New Item&%d", nNum );
AppendMenu( hMenu, MFT_STRING, IDM_NEWBASE+nNum, szMenuItem );
DrawMenuBar( hWnd );
// Set up a new accelerator of F1,F2,F3,or F4 for the
// the new menu option.
//...................................................
pCurAccel->fVirt = FNOINVERT | FVIRTKEY;
pCurAccel->cmd = IDM_NEWBASE+nNum;
pCurAccel->key = ( nNum == 1 ? VK_F1 :
nNum == 2 ? VK_F2 :
nNum == 3 ? VK_F3 :
/*default*/ VK_F4 );
// Create the new accelerator table.
//..................................
hAccel = CreateAcceleratorTable( pAccelData, nNumAccel );
GlobalUnlock( hAccelData );
}
if ( hAccelData )
GlobalFree( hAccelData );
}
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
switch( uMsg )
{
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_TEST :
AddNewTestItem( hWnd );
break;
case IDM_NEWBASE+1 :
MessageBox( hWnd, "New Item 1 Selected", "Item Selected",
MB_OK | MB_ICONINFORMATION );
break;
case IDM_NEWBASE+2 :
MessageBox( hWnd, "New Item 2 Selected", "Item Selected",
MB_OK | MB_ICONINFORMATION );
break;
case IDM_NEWBASE+3 :
MessageBox( hWnd, "New Item 3 Selected", "Item Selected",
MB_OK | MB_ICONINFORMATION );
break;
case IDM_NEWBASE+4 :
MessageBox( hWnd, "New Item 4 Selected", "Item Selected",
MB_OK | MB_ICONINFORMATION );
break;
case IDM_ABOUT :
DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
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);
}