Last updated: 18. 1.1998, 15:47
<*/NOWARN:F*> MODULE NoPopUps; (*------------------------------------------------- NOPOPUPS.C --- Demonstrates No-Popup Nested Menu (c) Charles Petzold, 1996 NoPopUps.mod --- Translation to Stony Brook Modula-2 (c) Peter Stadler, 1997 -------------------------------------------------*) %IF WIN32 %THEN <*/Resource:NOPOPUPS.RES*> %ELSE %END IMPORT h2d_NoPopUps; IMPORT WINUSER; IMPORT WIN32; IMPORT WINX; IMPORT WINGDI; IMPORT SYSTEM; CONST szAppName = "NoPopUps"; VAR hwnd : WIN32.HWND; msg : WINUSER.MSG; wc : WINUSER.WNDCLASSEX; hMenuMain : WIN32.HMENU; hMenuEdit : WIN32.HMENU; hMenuFile : WIN32.HMENU; <*/PUSH*> %IF WIN32 %THEN <*/CALLS:WIN32SYSTEM*> %ELSE <*/CALLS:WINSYSTEM*> %END (*++++*****************************************************************) PROCEDURE WndProc (hwnd : WIN32.HWND; iMsg : WIN32.UINT; wParam : WIN32.WPARAM; lParam : WIN32.LPARAM) : WIN32.LRESULT [EXPORT]; (**********************************************************************) VAR hInstance : WIN32.HINSTANCE; BEGIN CASE (iMsg) OF | WINUSER.WM_CREATE : hInstance := SYSTEM.CAST(WIN32.HINSTANCE,WINUSER.GetWindowLong (hwnd, WINUSER.GWL_HINSTANCE)); hMenuMain := WINUSER.LoadMenu (hInstance, "MenuMain"); hMenuFile := WINUSER.LoadMenu (hInstance, "MenuFile"); hMenuEdit := WINUSER.LoadMenu (hInstance, "MenuEdit"); WINUSER.SetMenu (hwnd, hMenuMain); RETURN 0; | WINUSER.WM_COMMAND : CASE (WINUSER.LOWORD (wParam)) OF | h2d_NoPopUps.IDM_MAIN : WINUSER.SetMenu (hwnd, hMenuMain); RETURN 0; | h2d_NoPopUps.IDM_FILE : WINUSER.SetMenu (hwnd, hMenuFile); RETURN 0; | h2d_NoPopUps.IDM_EDIT : WINUSER.SetMenu (hwnd, hMenuEdit); RETURN 0; | h2d_NoPopUps.IDM_NEW : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_OPEN : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_SAVE : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_SAVEAS : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_UNDO : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_CUT : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_COPY : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_PASTE : WINUSER.MessageBeep (0); RETURN 0; | h2d_NoPopUps.IDM_DEL : WINUSER.MessageBeep (0); RETURN 0; ELSE RETURN 0; END; | WINUSER.WM_DESTROY : WINUSER.SetMenu (hwnd, hMenuMain); WINUSER.DestroyMenu (hMenuFile); WINUSER.DestroyMenu (hMenuEdit); WINUSER.PostQuitMessage (0); RETURN 0; ELSE RETURN WINUSER.DefWindowProc (hwnd, iMsg, wParam, lParam); END; END WndProc; <*/POP*> (*++++*****************************************************************) PROCEDURE InitApplication () : BOOLEAN; (**********************************************************************) BEGIN wc.cbSize := SIZE(WINUSER.WNDCLASSEX); wc.style := WINUSER.CS_HREDRAW BOR WINUSER.CS_VREDRAW; wc.lpfnWndProc := WndProc; wc.cbClsExtra := 0; wc.cbWndExtra := 0; wc.hInstance := WINX.Instance; wc.hIcon := WINUSER.LoadIcon (NIL, WINUSER.IDI_APPLICATION^); wc.hCursor := WINUSER.LoadCursor (NIL, WINUSER.IDC_ARROW^); wc.hbrBackground := SYSTEM.CAST(WIN32.HBRUSH, WINGDI.GetStockObject (WINGDI.WHITE_BRUSH)); wc.lpszMenuName := NIL; wc.lpszClassName := SYSTEM.ADR(szAppName); wc.hIconSm := WINUSER.LoadIcon (NIL, WINUSER.IDI_APPLICATION^); RETURN WINUSER.RegisterClassEx (wc)#0; END InitApplication; (*++++*****************************************************************) PROCEDURE InitMainWindow () : BOOLEAN; (**********************************************************************) BEGIN hwnd := WINUSER.CreateWindow (szAppName, (* window class name *) "No-Popup Nested Menu Demonstration: Translation to Stony Brook Modula-2", (* window caption *) WINUSER.WS_OVERLAPPEDWINDOW, (* window style *) WINUSER.CW_USEDEFAULT, (* initial x position *) WINUSER.CW_USEDEFAULT, (* initial y position *) WINUSER.CW_USEDEFAULT, (* initial x size *) WINUSER.CW_USEDEFAULT, (* initial y size *) NIL, (* parent window handle *) NIL, (* window menu handle *) WINX.Instance, (* program instance handle *) NIL); (* creation parameters *) IF hwnd = NIL THEN RETURN FALSE; END; WINUSER.ShowWindow (hwnd, WINUSER.SW_SHOWDEFAULT); WINUSER.UpdateWindow (hwnd); RETURN TRUE; END InitMainWindow; (*++++*****************************************************************) BEGIN IF InitApplication() AND InitMainWindow() THEN WHILE (WINUSER.GetMessage(msg,NIL,0,0)) DO WINUSER.TranslateMessage(msg); WINUSER.DispatchMessage(msg); END; END; END NoPopUps.