Helloworld program on Mini Gui

/* ** $Id: helloworld.c,v 1.25 2005/02/01 09:42:31 clear Exp $**** Listing 2.1**** helloworld.c: Sample program for MiniGUI Programming Guide**      The first MiniGUI application.**** Copyright (C) 2004 Feynman Software.**** License: GPL*/#include <stdio.h>#include <string.h>#include <minigui/common.h>#include <minigui/minigui.h>#include <minigui/gdi.h>#include <minigui/window.h>#include <minigui/mywindows.h>static const char* en_text = "If you see this text, MiniGUI on this board is OK now.";static char msg_text [256];static RECT msg_rc = {10, 50, 300, 80};static const char* syskey = "";static int last_key = -1;static int last_key_count = 0;static int HelloWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    HDC hdc;    RECT rc;    syskey = "";    switch (message) {        case MSG_CREATE:            strcpy (msg_text, "No message so far.");            break;        case MSG_TIMER:            printf ("Timer expired, current tick count: %ul\n", GetTickCount ());            sprintf (msg_text, "Timer expired, current tick count: %ul.", GetTickCount ());            InvalidateRect (hWnd, &msg_rc, TRUE);            break;                    case MSG_LBUTTONDOWN:            printf ("The left button pressed.\n");            strcpy (msg_text, "The left button pressed.");            InvalidateRect (hWnd, &msg_rc, TRUE);            break;        case MSG_LBUTTONUP:            printf ("The left button released.\n");            strcpy (msg_text, "The left button released.");            InvalidateRect (hWnd, &msg_rc, TRUE);            break;        case MSG_PAINT:            KillTimer (hWnd, 100);            SetTimer (hWnd, 100, 500);            printf ("BeginPaint.\n");            hdc = BeginPaint (hWnd);#if 1            rc.left = 10; rc.top = 10;            rc.right = 300; rc.bottom = 40;            printf ("DrawText1.\n");            DrawText (hdc, en_text, -1, &rc, DT_LEFT | DT_WORDBREAK);            printf ("DrawText2.\n");            DrawText (hdc, msg_text, -1, &msg_rc, DT_LEFT | DT_WORDBREAK);#else            TextOut (hdc, 10, 10, en_text);            TextOut (hdc, 10, 50, msg_text);#endif            EndPaint (hWnd, hdc);            printf ("EndPaint.\n");            return 0;        case MSG_SYSKEYDOWN:            syskey = "sys";        case MSG_KEYDOWN:            if(last_key == wParam)                last_key_count++;            else            {                last_key = wParam;                last_key_count = 1;            }            printf ("The %d %skey pressed %d times.\n", wParam, syskey, last_key_count);            sprintf (msg_text, "The %d %skey pressed %d times", wParam, syskey, last_key_count);            InvalidateRect (hWnd, &msg_rc, TRUE);            return 0;        case MSG_KEYUP:            printf ("The %d key released.\n", wParam);            sprintf (msg_text, "The %d key released", wParam);            InvalidateRect (hWnd, &msg_rc, TRUE);            return 0;        case MSG_CLOSE:            KillTimer (hWnd, 100);            DestroyMainWindow (hWnd);            PostQuitMessage (hWnd);            return 0;    }    return DefaultMainWinProc(hWnd, message, wParam, lParam);}#ifdef _MISC_MOUSECALIBRATEstatic void mouse_calibrate (void){    POINT src_pts [5] = {{5, 10}, {600, 20}, {620, 450}, {20, 470}, {310, 234}};    POINT dst_pts [5] = {{0, 0}, {639, 0}, {639, 479}, {0, 479}, {320, 240}};    SetMouseCalibrationParameters (src_pts, dst_pts);}#else /* _MISC_MOUSECALIBRATE */static void mouse_calibrate (void){    /* do nothing */}#endif /* !_MISC_MOUSECALIBRATE */int MiniGUIMain (int argc, const char* argv[]){    MSG Msg;    HWND hMainWnd;    MAINWINCREATE CreateInfo;#ifdef _LITE_VERSION    SetDesktopRect(0, 0, 1024, 768);#endif    mouse_calibrate ();    CreateInfo.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION;    CreateInfo.dwExStyle = WS_EX_NONE;    CreateInfo.spCaption = "Hello, world!";    CreateInfo.hMenu = 0;    CreateInfo.hCursor = GetSystemCursor(0);    CreateInfo.hIcon = 0;    CreateInfo.MainWindowProc = HelloWinProc;    CreateInfo.lx = 0;    CreateInfo.ty = 0;    CreateInfo.rx = 320;    CreateInfo.by = 240;    CreateInfo.iBkColor = COLOR_lightwhite;    CreateInfo.dwAddData = 0;    CreateInfo.hHosting = HWND_DESKTOP;        hMainWnd = CreateMainWindow (&CreateInfo);    printf ("The main window created.\n");        if (hMainWnd == HWND_INVALID)        return -1;    ShowWindow(hMainWnd, SW_SHOWNORMAL);    printf ("The main window showed.\n");    while (GetMessage(&Msg, hMainWnd)) {        TranslateMessage(&Msg);        DispatchMessage(&Msg);    }    MainWindowThreadCleanup (hMainWnd);    return 0;}#ifndef _LITE_VERSION#include <minigui/dti.c>#endif