Last updated: 17. 1.1998, 20:29
<*/NOWARN:F*> MODULE Resourc2; (*----------------------------------------------------------- RESOURC2.C --- Icon and Cursor Demonstration Program No. 2 (c) Charles Petzold, 1996 Resourc2.mod --- Translation to Stony Brook Modula-2 (c) Peter Stadler, 1997 -----------------------------------------------------------*) %IF WIN32 %THEN <*/Resource:Resourc2.RES*> %ELSE %END IMPORT WINUSER; IMPORT WIN32; IMPORT WINGDI; IMPORT WINX; IMPORT SYSTEM; CONST szAppName = "Resourc2"; VAR hwnd : WIN32.HWND; msg : WINUSER.MSG; wc : WINUSER.WNDCLASSEX; hInst : WIN32.HINSTANCE; hIcon : WIN32.HICON; hBitmap : WIN32.HBITMAP; hBrush : WIN32.HBRUSH; cxIcon : INTEGER; cyIcon : INTEGER; cxClient : INTEGER; cyClient : INTEGER; hdc : WIN32.HDC; ps : WINUSER.PAINTSTRUCT; <*/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 x : INTEGER; y : INTEGER; BEGIN CASE (iMsg) OF | WINUSER.WM_CREATE : hIcon := WINUSER.LoadIcon (hInst, szAppName); cxIcon := WINUSER.GetSystemMetrics (WINUSER.SM_CXICON); cyIcon := WINUSER.GetSystemMetrics (WINUSER.SM_CYICON); RETURN 0; | WINUSER.WM_SIZE : cxClient := WINUSER.LOWORD (lParam); cyClient := WINUSER.HIWORD (lParam); RETURN 0; | WINUSER.WM_PAINT : hdc := WINUSER.BeginPaint (hwnd, ps); y := cyIcon; LOOP x := cxIcon; LOOP WINUSER.DrawIcon (hdc, x, y, hIcon); INC(x,2*cxIcon); IF(x > cxClient) THEN EXIT; END; END; INC(y,2*cyIcon); IF(y > cyClient) THEN EXIT; END; END; WINUSER.EndPaint (hwnd, ps); 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 hBitmap := WINUSER.LoadBitmap (WINX.Instance, szAppName); hBrush := WINGDI.CreatePatternBrush (hBitmap); 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 (WINX.Instance, szAppName); wc.hCursor := WINUSER.LoadCursor (WINX.Instance, szAppName); wc.hbrBackground := hBrush; wc.lpszMenuName := NIL; wc.lpszClassName := SYSTEM.ADR(szAppName); wc.hIconSm := WINUSER.LoadIcon (WINX.Instance, szAppName); rc := WINUSER.RegisterClassEx(wc); RETURN rc#0; END InitApplication; (*++++*****************************************************************) PROCEDURE InitMainWindow () : BOOLEAN; (**********************************************************************) BEGIN hInst := WINX.Instance; hwnd := WINUSER.CreateWindow (szAppName, "Icon and Cursor Demo 2: Translation to Stony Brook Modula-2", WINUSER.WS_OVERLAPPEDWINDOW, WINUSER.CW_USEDEFAULT, WINUSER.CW_USEDEFAULT, WINUSER.CW_USEDEFAULT, WINUSER.CW_USEDEFAULT, NIL, NIL, WINX.Instance, NIL); 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; WINGDI.DeleteObject (SYSTEM.CAST(WIN32.HGDIOBJ,hBrush)); (* clean-up *) WINGDI.DeleteObject (SYSTEM.CAST(WIN32.HGDIOBJ,hBitmap)); END Resourc2.