/* static.c   static child window controls with variable numeric output */

#include <windows.h>
#include "static.h"

int PASCAL WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, 
                              LPSTR lpszCmdLine, int nCmdShow)
{
    HWND        hWnd ;      /* the window's "handle" */
    MSG         msg ;       /* a message structure */
    WNDCLASS    wndclass ;  /* window class structure */

        wndclass.style          = CS_HREDRAW | CS_VREDRAW ;
        wndclass.lpfnWndProc    = WndProc ;
        wndclass.cbClsExtra     = 0 ;
        wndclass.cbWndExtra     = 0 ;
        wndclass.hInstance      = hInstance ;
        wndclass.hIcon          = LoadIcon (hInstance, "MYICON") ;
        wndclass.hCursor        = LoadCursor (NULL, IDC_ARROW) ;
        wndclass.hbrBackground  = (HBRUSH)GetStockObject (WHITE_BRUSH) ;
        wndclass.lpszMenuName   = "MYMENU" ;
        wndclass.lpszClassName  = "MyClass" ;
        if (!RegisterClass (&wndclass))
            return 0 ;

    hWnd = CreateWindow ("MyClass", "Static Control Example",
        WS_OVERLAPPEDWINDOW,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
        NULL, NULL, hInstance, NULL) ;
    ShowWindow (hWnd, nCmdShow) ;
    UpdateWindow (hWnd) ;

    while (GetMessage (&msg, NULL, 0, 0))
    {
        TranslateMessage (&msg) ;
        DispatchMessage (&msg) ; 
    }
    return (msg.wParam) ;
}

LPARAM CALLBACK WndProc (HWND hWnd, UINT wMessage, 
                             WPARAM wParam, LPARAM lParam)
{
    static HWND  hStaticText, hStaticIcon, hStaticRect ;
    HINSTANCE hInstance ;
    static char cBuf[50];
    static int nn=0;   /* test message counter for display in static control */
            
    switch (wMessage)       /* process windows messages */
    {
        case WM_CREATE:     /* program is just starting */
                            /* get the instance handle */

                hInstance = (HINSTANCE)GetWindowLong (hWnd, GWL_HINSTANCE) ;

                            /* create three static controls */

                hStaticText = CreateWindow ("STATIC", "This is static text.",
                    WS_CHILD | SS_CENTER,
                    10, 10, 130, 60,
                    hWnd, NULL, hInstance, NULL) ;

                hStaticIcon = CreateWindow ("STATIC", "MYICON",
                    WS_CHILD | SS_ICON,
                    150, 10, 0, 0,          /* icon height & width used */
                    hWnd, NULL, hInstance, NULL) ;

                hStaticRect = CreateWindow ("STATIC", "",
                    WS_CHILD |  SS_GRAYRECT,
                    10, 80, 200, 30,
                    hWnd, NULL, hInstance, NULL) ;
                            /* display the controls */

                ShowWindow (hStaticText, SW_SHOWNORMAL) ;
                ShowWindow (hStaticIcon, SW_SHOWNORMAL) ;
                ShowWindow (hStaticRect, SW_SHOWNORMAL) ;
                break ;

        case WM_COMMAND:
            switch (LOWORD(wParam)) /* menu items */
            {
                case IDM_CHANGE:    /* change static text */
                    SetWindowText (hStaticText,
                         "New Text Via SetWindowText( ).") ;
                    break ;

                case IDM_SEND:      /* change static text */
                    wsprintf(cBuf, "This is test %d ", nn);
                    nn++;
                    SendMessage (hStaticText, WM_SETTEXT, 0,
                        (LPARAM) cBuf ) ;
                    break ;

                case IDM_QUIT:
                    DestroyWindow (hWnd) ;  /* destroy window, */
                    break ;     /* terminating application */
            }
            break ;

        case WM_DESTROY:    /* stop application */
            PostQuitMessage (0) ;
            break ;

        default:        /* default windows message processing */
            return DefWindowProc (hWnd, wMessage, wParam, lParam) ;
    }
    return (0) ;
}