Tab through Edit boxes doesn't work C++ - c++

Question

Well hello,
I have a problem and I didn't find any solution to this by searching; basically I want to make a simple login where you can switch through the controls ( username, password, login button ) with tabbing.
The only thing happening when pressing TAB is that it just completely selects the text from the current edit box.
Here's my code:
HWND g_hLogin1, g_hLogin2, g_hLogin3;
#define ID_BUTTON_LOGIN 201
LRESULT CALLBACK LoginProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
switch( uMsg )
{
case WM_CREATE:
{
g_hLogin1 = CreateWindow( "EDIT", "", WS_CHILD | WS_VISIBLE | WS_BORDER, 50, 40, 200, 20, hWnd, 0, 0, 0 );
g_hLogin2 = CreateWindow( "EDIT", "", WS_CHILD | WS_VISIBLE | WS_BORDER | ES_PASSWORD, 50, 80, 200, 20, hWnd, 0, 0, 0 );
g_hLogin3 = CreateWindow( "BUTTON", "Login", WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON, 100, 120, 100, 22, hWnd, (HMENU)ID_BUTTON_LOGIN, 0, 0 );
HFONT font = CreateFont( 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "Arial" );
SendMessage( g_hLogin1, WM_SETFONT, (WPARAM)font, 0 );
SendMessage( g_hLogin2, WM_SETFONT, (WPARAM)font, 0 );
SendMessage( g_hLogin3, WM_SETFONT, (WPARAM)font, 0 );
break;
}
case WM_DESTROY:
{
PostQuitMessage( 0 );
return 0;
}
case WM_KEYDOWN:
{
if( wParam == VK_TAB )
{
HWND hNext = GetWindow( hWnd, GW_HWNDNEXT );
if( !hNext )
hNext = GetWindow( hWnd, GW_HWNDLAST );
SendMessage( hNext, EM_SETSEL, (WPARAM)0, (LPARAM)-1 );
SetFocus( hNext );
}
break;
}
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hDC = BeginPaint( hWnd, &ps );
HFONT font = CreateFont( 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "Arial" );
SelectObject( hDC, font );
RECT rc[] =
{
{ 50, 22, 0, 0 },
{ 50, 62, 0, 0 }
};
DrawText( hDC, "Username:", -1, &rc[ 0 ], DT_NOCLIP );
DrawText( hDC, "Password:", -1, &rc[ 1 ], DT_NOCLIP );
EndPaint( hWnd, &ps );
break;
}
case WM_COMMAND:
{
if( LOWORD( wParam ) == ID_BUTTON_LOGIN )
{
int len1 = GetWindowTextLength( g_hLogin1 );
int len2 = GetWindowTextLength( g_hLogin2 );
char* username = new char[ len1 + 1 ];
char* password = new char[ len2 + 1 ];
GetWindowText( g_hLogin1, username, len1 + 1 );
GetWindowText( g_hLogin2, password, len2 + 1 );
if( g_pServer->Login( username, password ) )
{
ShowWindow( g_hLogin, SW_HIDE );
ShowWindow( g_hMainWnd, SW_SHOW );
}
}
break;
}
default:
return DefWindowProc( hWnd, uMsg, wParam, lParam );
}
return DefWindowProc( hWnd, uMsg, wParam, lParam );
}
bool SetupClass( HINSTANCE hInstance, char* szClassName, WNDPROC wndProc )
{
WNDCLASSEX wc = { 0 };
wc.cbClsExtra = 0;
wc.cbSize = sizeof( WNDCLASSEX );
wc.cbWndExtra = 0;
wc.hbrBackground = (HBRUSH)GetStockObject( WHITE_BRUSH );
wc.hCursor = LoadCursor( 0, IDC_ARROW );
wc.hIcon = LoadIcon( hInstance, MAKEINTRESOURCE( IDI_ICON1 ) );
wc.hIconSm = LoadIcon( hInstance, MAKEINTRESOURCE( IDI_ICON1 ) );
wc.hInstance = hInstance;
wc.lpfnWndProc = wndProc;
wc.lpszClassName = szClassName;
wc.lpszMenuName = "";
wc.style = CS_HREDRAW | CS_VREDRAW;
return RegisterClassEx( &wc );
}
int APIENTRY WinMain( HINSTANCE hThis, HINSTANCE hPrev, LPSTR lpCmd, int iCmd )
{
if( !SetupClass( hThis, "zcfw001", LoginProc ) )
return 1;
g_hLogin = CreateWindowEx( WS_EX_CONTROLPARENT, "zcfw001", "Login", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 300, 200, 0, 0, hThis, 0 );
if( !g_hLogin )
return 1;
ShowWindow( g_hLogin, SW_SHOW );
MSG msg;
while( 1 )
{
if( PeekMessage( &msg, 0, 0, 0, PM_REMOVE ) )
{
if( msg.message == WM_QUIT )
break;
if( !IsDialogMessage( g_hLogin, &msg ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
}
}
return msg.wParam;
}

Answer 1

You should use WS_TABSTOP style to make tab stops working.