Win32API Window and Tango

[Zarathustra]

Denis Koroskin Wrote:

> On Wed, 27 Aug 2008 18:24:52 +0400, Zarathustra  
> <adam.chrapkowski at gmail.com> wrote:
> 
> > How to create WIN32Window with Tango?
> > Why window handle is null?
> >
> > module test;
> > import tango.sys.win32.UserGdi;
> > extern (C) void rt_init( void delegate(Exception) dg = null );
> > extern (C) void rt_term( void delegate(Exception) dg = null );
> >
> > extern(Windows)HWND    CreateWindowExA(DWORD, LPCSTR, LPCSTR, DWORD,  
> > int, int, int, int, HWND, HMENU, HINSTANCE, LPVOID);
> > extern(Windows)HGDIOBJ GetStockObject(int);
> >
> > //_____________________________________________________________________________________________________________________
> > //	C functions
> > //
> >
> > // function WinMain
> > //_____________________________________________________________________________________________________________________
> > extern (Windows) int
> > WinMain(HINSTANCE o_hInstance, HINSTANCE o_hPrevInstance, LPSTR  
> > o_lpCmdLine, int o_nCmdShow){
> >
> >   rt_init();
> >
> > 	int l_result;
> > 	try{
> > 		l_result = Main(o_hInstance, o_hPrevInstance, o_lpCmdLine, o_nCmdShow);
> > 	}
> > 	catch(Object o){
> > 		MessageBoxA(null, cast(char*)o.toString(), "Fatal Error", MB_OK |  
> > MB_ICONERROR);
> > 		l_result = 0;
> > 	}
> > 	rt_term();
> > 	return l_result;
> > }
> >
> > // function WindowProc
> > //_____________________________________________________________________________________________________________________
> > extern (Windows) int
> > WindowProc(HWND o_hWindow, uint o_message, WPARAM o_wParam, LPARAM  
> > o_lParam){
> > 	switch(o_message){
> > 	
> > 		case WM_CREATE:
> > 			return 0;
> > 					
> > 		case WM_CLOSE:
> > 			PostQuitMessage(0);
> > 			return 0;
> > 	
> > 		case WM_DESTROY:
> > 			return 0;
> > 	
> > 		case WM_KEYDOWN:
> > 			switch(o_wParam){
> > 				default:
> > 					return 0;
> > 			}
> > 			return 0;
> > 	
> > 		default:
> > 			return DefWindowProcA(o_hWindow, o_message, o_wParam, o_lParam);
> >   }
> > }
> >
> > //_____________________________________________________________________________________________________________________
> > //	D functions
> > //
> >
> > // function Main
> > //_____________________________________________________________________________________________________________________
> > int
> > Main(HINSTANCE o_hInstance, HINSTANCE o_hPrevInstance,	LPSTR  
> > o_lpCmdLine, int o_nCmdShow){
> >
> > 	// register window class
> > 	//____________________________________________________________________
> > 	WNDCLASS l_cWindow;
> > 	with(l_cWindow){
> > 		style         = CS_OWNDC;
> > 		lpfnWndProc   = &WindowProc;
> > 		cbClsExtra    = 0;
> > 		cbWndExtra    = 0;
> > 		hInstance     = hInstance;
> > 		hIcon         = LoadIconA(cast(HINSTANCE)null, IDI_APPLICATION);
> > 		hCursor       = LoadCursorA(cast(HINSTANCE)null, IDC_ARROW);
> > 		hbrBackground = cast(HBRUSH)GetStockObject(BLACK_BRUSH);
> > 		lpszMenuName  = null;
> > 		lpszClassName = "WINDOWCLASS";
> > 	}
> > 	assert(RegisterClassA(&l_cWindow));	
> >
> > 	// create main window
> > 	//____________________________________________________________________
> > 	HWND l_hWindow = CreateWindowExA(
> > 		0,
> > 		"WINDOWCLASS",
> > 		"WINDOWCLASS",
> > 		WS_CAPTION | WS_VISIBLE | WS_OVERLAPPEDWINDOW,
> > 		100,
> > 		100,
> > 		640,
> > 		640,
> > 		HWND_DESKTOP,
> > 		cast(HMENU)null,
> > 		o_hInstance,
> > 		null
> > 	);
> > 	assert(l_hWindow);	// <- error l_hWindow is null
> > 	
> > 	// show window
> > 	//____________________________________________________________________
> > 	ShowWindow(l_hWindow, SW_SHOW);
> > 	UpdateWindow(l_hWindow);
> >
> > 	// program main loop
> > 	//____________________________________________________________________
> > 	MSG l_message;
> > 	msgsPomp:
> > 	while(true){
> > 		
> >     // check for messages
> >     if(PeekMessageA(&l_message, cast(HWND)null, 0, 0, PM_REMOVE)){
> > 		
> >       // handle or dispatch messages
> >       if(l_message.message == WM_QUIT){
> >         break msgsPomp;
> >       }
> >       else{
> >         TranslateMessage(&l_message);
> >         DispatchMessageA(&l_message);
> >       }
> >     }
> >     else{
> > 			Sleep(20);
> > 		}
> >   }
> > 	return l_message.wParam;
> > }
> 
> Hmm.. I have no problems with your code, it shown an empty black window  
> with a "WINDOWCLASS" caption.

I don't have any idea what's wrong?
Tango 0.97
I'm dsss user:

command line: 
dsss build test.d

dsss.conf;
[test.d]
buildflags+=-L/exet:nt 
buildflags+=-L/su:windows:5 
buildflags+=-full