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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.iso
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chapter6
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lodmenui.c
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C/C++ Source or Header
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1996-01-27
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8KB
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239 lines
#include <windows.h>
#include "LodMenuI.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";
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) )
{
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 );
}
LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
switch( uMsg )
{
case WM_CREATE :
{
LPTSTR lpMem;
WORD wValue;
HMENU hMenu;
lpMem = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof( MENUITEMTEMPLATEHEADER ) +
(6*sizeof( MENUITEMTEMPLATE )) +
MAXMENUNAMES );
// Set values for MENUITEMTEMPLATEHEADER structure.
//.................................................
wValue = 0;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
TRUE, FALSE );
wValue = 0;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
// Add Popup menu and items.
//..........................
wValue = MF_POPUP;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
AppendMemory( lpMem, "&Popup", 7, FALSE, TRUE );
wValue = 0;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
wValue = IDM_FIRST;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
AppendMemory( lpMem, "&First", 7, FALSE, TRUE );
wValue = MF_END; // Last Item in Popup menu.
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
wValue = IDM_SECOND;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
AppendMemory( lpMem, "&Second", 8, FALSE, TRUE );
// Add last item on menu bar, Exit.
//.................................
wValue = MF_END;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
wValue = IDM_EXIT;
AppendMemory( lpMem, (LPTSTR)&wValue, sizeof( WORD ),
FALSE, FALSE );
AppendMemory( lpMem, "E&xit", 6, FALSE, TRUE );
// Create the menu and set it as the applicationÆs menu.
//......................................................
hMenu = LoadMenuIndirect( lpMem );
SetMenu( hWnd, hMenu );
HeapFree( GetProcessHeap(), 0, lpMem );
}
break;
case WM_COMMAND :
switch( LOWORD( wParam ) )
{
case IDM_FIRST :
MessageBox( hWnd, "First Menu Item Worked.",
"Message", MB_OK | MB_ICONINFORMATION );
break;
case IDM_SECOND :
MessageBox( hWnd, "Second Menu Item Worked.",
"Message", MB_OK | MB_ICONINFORMATION );
break;
case IDM_EXIT :
DestroyWindow( hWnd );
break;
}
break;
case WM_DESTROY :
PostQuitMessage(0);
break;
default :
return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
}
return( 0L );
}
VOID AppendMemory( LPTSTR lpDest, LPTSTR lpSource, int nBytes, BOOL bReset,
BOOL bConvert )
{
static int nLastEnd;
static WCHAR wBuf[30];
LPTSTR lps, lpd;
lps = lpSource;
lpd = lpDest;
if ( bReset )
nLastEnd = 0;
else
lpd += nLastEnd;
// If this is a character string, we need to convert it to Unicode(TM).
// This is true for both Windows NT and Windows 95.
//.....................................................................
if ( bConvert )
{
MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, lpSource, -1, &wBuf[0], 30 );
memcpy( lpd, &wBuf[0], nBytes*sizeof( WCHAR ) );
nLastEnd += nBytes*sizeof( WCHAR );
}
else
{
memcpy( lpd, lps, nBytes );
nLastEnd += nBytes;
}
}