/*** $Id: about.c,v 1.23 2003/09/04 07:57:46 weiym Exp $**** about.c: the About Dialog module.**** Copyright (C) 2003 Feynman Software.** Copyright (C) 1999 ~ 2002 Wei Yongming.** ** Current maintainer: Wei Yongming.**** Create date: 1999/8/28*//*** This program is free software; you can redistribute it and/or modify** it under the terms of the GNU General Public License as published by** the Free Software Foundation; either version 2 of the License, or** (at your option) any later version.**** This program is distributed in the hope that it will be useful,** but WITHOUT ANY WARRANTY; without even the implied warranty of** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the** GNU General Public License for more details.**** You should have received a copy of the GNU General Public License** along with this program; if not, write to the Free Software** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*//*** TODO:*/ #include <stdio.h>#include <stdlib.h>#include "common.h"#include "minigui.h"#include "gdi.h"#include "window.h"#include "control.h"static HWND sg_AboutWnd = HWND_DESKTOP;static int AboutWinProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam){    PBITMAP bmpLogo;    RECT    rcClient;    switch (message) {        case MSG_CREATE:            if (!(bmpLogo = malloc (sizeof(BITMAP))))                return -1;            if (!LoadSystemBitmap (bmpLogo, "logo"))                return -1;            SetWindowAdditionalData (hWnd, (DWORD)bmpLogo);            sg_AboutWnd = hWnd;                        GetClientRect (hWnd, &rcClient);            CreateWindow ("button", "Close",                                 WS_CHILD | BS_DEFPUSHBUTTON | WS_VISIBLE,                                 IDOK,                                 (RECTW(rcClient) - 80)>>1,                                 rcClient.bottom - 40,                                 80, 24, hWnd, 0);        break;                case MSG_COMMAND:            if (LOWORD (wParam) == IDOK                 && HIWORD (wParam) == BN_CLICKED)                PostMessage (hWnd, MSG_CLOSE, 0, 0);        break;               case MSG_KEYDOWN:            if (LOWORD (wParam) == SCANCODE_ESCAPE)                PostMessage (hWnd, MSG_CLOSE, 0, 0);        break;        case MSG_PAINT:        {            HDC hdc;                        bmpLogo = (PBITMAP) GetWindowAdditionalData (hWnd);            hdc = BeginPaint (hWnd);                        GetClientRect (hWnd, &rcClient);            FillBoxWithBitmap (hdc,                 (RECTW(rcClient) - bmpLogo->bmWidth)>>1, 10,                 0, 0, bmpLogo);                        rcClient.top = 60;            rcClient.bottom -= 50;            SetTextColor (hdc, PIXEL_lightgray);            SetBkColor (hdc, PIXEL_black);            DrawText (hdc, "MiniGUI -- a compact GUI support system.\n"                           "MiniGUI is free software; you can\n"                           "redistribute it and/or modify it under\n"                           "the terms of the GNU GPL.\n"                           "Copyright (C) 2003 Feynman Software.\n",                           -1, &rcClient, DT_WORDBREAK | DT_CENTER);            EndPaint (hWnd, hdc);        }        return 0;        case MSG_CLOSE:            bmpLogo = (PBITMAP) GetWindowAdditionalData (hWnd);            UnloadBitmap (bmpLogo);            free (bmpLogo);            DestroyAllControls (hWnd);            DestroyMainWindow (hWnd);            sg_AboutWnd = HWND_DESKTOP;#ifndef _LITE_VERSION            PostQuitMessage (hWnd);#endif        return 0;    }    return DefaultMainWinProc(hWnd, message, wParam, lParam);}static void InitAboutDialogCreateInfo (PMAINWINCREATE pCreateInfo, char* caption){    sprintf (caption, "About MiniGUI (Ver %d.%d.%d)",                     MINIGUI_MAJOR_VERSION,                    MINIGUI_MINOR_VERSION,                    MINIGUI_MICRO_VERSION);    pCreateInfo->dwStyle = WS_CAPTION | WS_SYSMENU | WS_VISIBLE                                       | WS_BORDER;    pCreateInfo->dwExStyle = WS_EX_TOPMOST;    pCreateInfo->spCaption = caption;    pCreateInfo->hMenu = 0;    pCreateInfo->hCursor = GetSystemCursor(0);    pCreateInfo->hIcon = 0;    pCreateInfo->MainWindowProc = AboutWinProc;    pCreateInfo->lx = 10;     pCreateInfo->ty = 5;    if (GetSysCharWidth () == 6) {        pCreateInfo->rx = 260;        pCreateInfo->by = 215;    }    else {        pCreateInfo->rx = 340;        pCreateInfo->by = 240;    }    pCreateInfo->iBkColor = PIXEL_black;     pCreateInfo->dwAddData = 0;    pCreateInfo->hHosting = HWND_DESKTOP;}#ifndef _LITE_VERSIONstatic void* AboutDialogThread (void* data){    MSG Msg;    MAINWINCREATE CreateInfo;    HWND hMainWnd;    char caption [256];    InitAboutDialogCreateInfo (&CreateInfo, caption);    hMainWnd = CreateMainWindow(&CreateInfo);    if (hMainWnd == HWND_INVALID)        return NULL;    ShowWindow (hMainWnd, SW_SHOWNORMAL);    while( GetMessage(&Msg, hMainWnd) ) {        DispatchMessage(&Msg);    }    MainWindowThreadCleanup(hMainWnd);    return NULL;}void GUIAPI OpenAboutDialog (void){    pthread_t thread;        if (sg_AboutWnd != HWND_DESKTOP) {        ShowWindow (sg_AboutWnd, SW_SHOWNORMAL);        return;    }    CreateThreadForMainWindow (&thread, NULL, AboutDialogThread, 0);}#elseHWND GUIAPI OpenAboutDialog (HWND hHosting){    MAINWINCREATE CreateInfo;    HWND hMainWnd;    char caption [256];    if (sg_AboutWnd != HWND_DESKTOP) {        ShowWindow (sg_AboutWnd, SW_SHOWNORMAL);        return sg_AboutWnd;    }    InitAboutDialogCreateInfo (&CreateInfo, caption);    CreateInfo.hHosting = hHosting;    hMainWnd = CreateMainWindow (&CreateInfo);    if (hMainWnd == HWND_INVALID)        return HWND_INVALID;    ShowWindow (hMainWnd, SW_SHOWNORMAL);    return hMainWnd;}#endif /* _LITE_VERSION */