/* ** $Id: capture.c,v 1.2 2003/06/13 06:50:39 weiym Exp $**** Listing 24.2**** capture.c: Sample program for MiniGUI Programming Guide**      Demo of using mouse capture**** Copyright (C) 2003 Feynman Software.**** License: GPL*/#include <minigui/common.h>#include <minigui/minigui.h>#include <minigui/gdi.h>#include <minigui/window.h>#include <minigui/control.h>#define IDC_MYBUTTON    100/* a simple button control */static int MybuttonWindowProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    HDC hdc;    static int status = 0;    switch (message) {    case MSG_LBUTTONDOWN:        status = 1;        SetCapture (hWnd);        InvalidateRect (hWnd, NULL, TRUE);    break;    case MSG_LBUTTONUP:        if (GetCapture() != hWnd)            break;        status = 0;        ReleaseCapture ();        InvalidateRect (hWnd, NULL, TRUE);    break;    case MSG_PAINT:        hdc = BeginPaint (hWnd);        if (status) {            SetBkMode(hdc, BM_TRANSPARENT);            TextOut(hdc, 0, 0, "pressed");        }        EndPaint(hWnd, hdc);        return 0;    case MSG_DESTROY:        return 0;    }    return DefaultControlProc (hWnd, message, wParam, lParam);}BOOL RegisterMybutton (void){    WNDCLASS WndClass;    WndClass.spClassName = "mybutton";    WndClass.dwStyle     = 0;    WndClass.dwExStyle   = 0;    WndClass.hCursor     = GetSystemCursor(0);    WndClass.iBkColor    = PIXEL_lightgray;    WndClass.WinProc     = MybuttonWindowProc;    return RegisterWindowClass (&WndClass);}/* main windoww proc */static int CaptureWinProc(HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    switch (message) {    case MSG_CREATE:        RegisterMybutton();        CreateWindow ("mybutton", "", WS_VISIBLE | WS_CHILD, IDC_MYBUTTON,                 30, 50, 60, 20, hWnd, 0);        break;    case MSG_CLOSE:        DestroyAllControls (hWnd);        DestroyMainWindow (hWnd);        PostQuitMessage (hWnd);        return 0;    }    return DefaultMainWinProc(hWnd, message, wParam, lParam);}int MiniGUIMain (int args, const char* arg[]){    MSG Msg;    HWND hMainWnd;    MAINWINCREATE CreateInfo;#ifdef _LITE_VERSION    SetDesktopRect(0, 0, 1024, 768);#endif        CreateInfo.dwStyle = WS_VISIBLE | WS_BORDER | WS_CAPTION;    CreateInfo.dwExStyle = WS_EX_NONE;    CreateInfo.spCaption = "using mouse capture demo";    CreateInfo.hMenu = 0;    CreateInfo.hCursor = GetSystemCursor(0);    CreateInfo.hIcon = 0;    CreateInfo.MainWindowProc = CaptureWinProc;    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);        if (hMainWnd == HWND_INVALID)        return -1;    ShowWindow(hMainWnd, SW_SHOWNORMAL);    while (GetMessage(&Msg, hMainWnd)) {        TranslateMessage(&Msg);        DispatchMessage(&Msg);    }    MainWindowThreadCleanup (hMainWnd);    return 0;}#ifndef _LITE_VERSION#include <minigui/dti.c>#endif