Last updated: 15. 1.1998, 21:42
<*/NOWARN:F*> MODULE PopPad1; (*------------------------------------------------------- POPPAD1.C --- Popup Editor using child window edit box (c) Charles Petzold, 1996 PopPad1.mod --- Translation to Stony Brook Modula-2 (c) Peter Stadler, 1998 -------------------------------------------------------*) IMPORT WIN32; IMPORT WINX; IMPORT WINGDI; IMPORT WINUSER; IMPORT SYSTEM; CONST szAppName = "PopPad1"; VAR hwnd : WIN32.HWND; msg : WINUSER.MSG; wc : WINUSER.WNDCLASSEX; hwndEdit : WIN32.HWND; <*/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 lpcr : WINUSER.LPCREATESTRUCT; BEGIN CASE (iMsg) OF | WINUSER.WM_CREATE : lpcr := SYSTEM.CAST(WINUSER.LPCREATESTRUCT,lParam); hwndEdit := WINUSER.CreateWindow ("edit", "", WINUSER.WS_CHILD BOR WINUSER.WS_VISIBLE BOR WINUSER.WS_HSCROLL BOR WINUSER.WS_VSCROLL BOR WINUSER.WS_BORDER BOR WINUSER.ES_LEFT BOR WINUSER.ES_MULTILINE BOR WINUSER.ES_AUTOHSCROLL BOR WINUSER.ES_AUTOVSCROLL, 0, 0, 0, 0, hwnd, SYSTEM.CAST(WIN32.HMENU,1), (* statt (SYSTEM.CAST(WINUSER.LPCREATESTRUCT, lParam) ^. hInstance, NIL); *) lpcr^.hInstance, NIL); RETURN 0; | WINUSER.WM_SETFOCUS : WINUSER.SetFocus (hwndEdit); RETURN 0; | WINUSER.WM_SIZE : WINUSER.MoveWindow (hwndEdit, 0, 0, WINUSER.LOWORD (lParam), WINUSER.HIWORD (lParam), TRUE); RETURN 0; | WINUSER.WM_COMMAND : IF (WINUSER.LOWORD (wParam) = 1) THEN IF (WINUSER.HIWORD (wParam) = WINUSER.EN_ERRSPACE) OR (WINUSER.HIWORD (wParam) = WINUSER.EN_MAXTEXT) THEN WINUSER.MessageBox (hwnd, "Edit control out of space.", szAppName, WINUSER.MB_OK BOR WINUSER.MB_ICONSTOP); END; END; RETURN 0; | WINUSER.WM_DESTROY : WINUSER.PostQuitMessage (0); RETURN 0; ELSE RETURN WINUSER.DefWindowProc (hwnd, iMsg, wParam, lParam); END; END WndProc; <*/POP*> (*++++*****************************************************************) PROCEDURE InitApplication () : BOOLEAN; (**********************************************************************) VAR rc : CARDINAL; BEGIN wc.cbSize := SIZE(wc); 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^); rc := WINUSER.RegisterClassEx(wc); RETURN rc#0; END InitApplication; (*++++*****************************************************************) PROCEDURE InitMainWindow () : BOOLEAN; (**********************************************************************) BEGIN hwnd := WINUSER.CreateWindow ( szAppName, (* window class name *) "PopPad1: 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 *) wc.hInstance, (* 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 PopPad1.