ddeproc.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <string.h>
#include <math.h>
#include "wddespy.h"
#include "aboutdlg.h"
#include "wwinhelp.h"
#include "jdlg.h"

static FARPROC          DDEMsgFp;
static const MenuItemHint menuHints[] = {
        DDEMENU_SAVE,                   STR_HINT_SAVE,
        DDEMENU_SAVE_AS,                STR_HINT_SAVE_AS,
        DDEMENU_LOG_FILE,               STR_HINT_LOG_FILE,
        DDEMENU_LOG_PAUSE,              STR_HINT_LOG_PAUSE,
        DDEMENU_LOG_CONFIG,             STR_HINT_LOG_CONFIG,
        DDEMENU_FONT,                   STR_HINT_FONT,
        DDEMENU_TOOLBAR,                STR_HINT_TOOLBAR,
        DDEMENU_HINTBAR,                STR_HINT_HINTBAR,
        DDEMENU_EXIT,                   STR_HINT_EXIT,
        DDEMENU_CLEAR,                  STR_HINT_CLEAR,
        DDEMENU_MARK,                   STR_HINT_MARK,
        DDEMENU_SCREEN_OUT,             STR_HINT_SCREEN_OUT,
        DDEMENU_SCROLL,                 STR_HINT_SCROLL,
        DDEMENU_MON_POST,               STR_HINT_MON_POST,
        DDEMENU_MON_SENT,               STR_HINT_MON_SENT,
        DDEMENU_MON_STR,                STR_HINT_MON_STR,
        DDEMENU_MON_CB,                 STR_HINT_MON_CB,
        DDEMENU_MON_ERR,                STR_HINT_MON_ERR,
        DDEMENU_MON_CONV,               STR_HINT_MON_CONV,
        DDEMENU_MON_LNK,                STR_HINT_MON_LNK,
        DDEMENU_MSG_FILTER,             STR_HINT_MSG_FILTER,
        DDEMENU_CB_FILTER,              STR_HINT_CB_FILTER,
        DDEMENU_TRK_STR,                STR_HINT_TRK_STR,
        DDEMENU_TRK_CONV,               STR_HINT_TRK_CONV,
        DDEMENU_TRK_LINK,               STR_HINT_TRK_LINK,
        DDEMENU_TRK_SERVER,             STR_HINT_TRK_SERVER,
        DDEMENU_NO_ALIAS,               STR_HINT_NO_ALIAS,
        DDEMENU_ALIAS_PURGE,            STR_HINT_ALIAS_PURGE,
        DDEMENU_HWND_ALIAS,             STR_HINT_HWND_ALIAS,
        DDEMENU_TASK_ALIAS,             STR_HINT_TASK_ALIAS,
        DDEMENU_CONV_ALIAS,             STR_HINT_CONV_ALIAS,
        DDEMENU_HELP_CONTENTS,          STR_HINT_HELP_CONTENTS,
        DDEMENU_HELP_SRCH,              STR_HINT_HELP_SRCH,
        DDEMENU_HELP_ON_HELP,           STR_HINT_HELP_ON_HELP,
        DDEMENU_ABOUT,                  STR_HINT_ABOUT
};

/*
 * SetMainWndDefault - set the MainWndConfig structure to the default
 *                     values for size/position of the main window
 */
void SetMainWndDefault( void ) {

    MainWndConfig.visible = TRUE;
    MainWndConfig.xpos = 0;
    MainWndConfig.ypos = 0;
    MainWndConfig.xsize = GetSystemMetrics( SM_CXSCREEN );
    MainWndConfig.ysize = 150;
    MainWndConfig.state = 0;
}

/*
 * InitMonitoring - check the appropriate menu items to reflect the
 *                  current monitoring state
 */
static void InitMonitoring( HWND hwnd ) {

    HMENU       mh;
    WORD        i;

    mh = GetMenu( hwnd );
    for( i = DDE_MON_FIRST; i <= DDE_MON_LAST; i++ ) {
        if( Monitoring[ i - DDE_MON_FIRST] ) {
            CheckMenuItem( mh, i, MF_BYCOMMAND | MF_CHECKED );
        }
    }
}

/*
 * MonitorChange - change the check state a menu item to reflect a
 *                 change in the monitoring state
 */
static void MonitorChange( HWND hwnd, WORD wparam ) {

    WORD        action;
    HMENU       mh;

    action = MF_BYCOMMAND;
    mh = GetMenu( hwnd );
    Monitoring[ wparam - DDE_MON_FIRST] =
                !Monitoring[ wparam - DDE_MON_FIRST];
    action |= Monitoring[wparam - DDE_MON_FIRST] ? MF_CHECKED : MF_UNCHECKED;
    CheckMenuItem( mh, wparam, action );
}

/*
 * ResetFonts - repaint things and recalculate the size of things after
 *              a font change
 */

static void ResetFonts( DDEWndInfo *info ) {

    HFONT       font;
    HDC         dc;
    LONG        new_char_extent;
    SIZE        sz;

    font = GetMonoFont();
    dc = GetDC( info->list.box );
    font = SelectObject( dc, font );
    GetTextExtentPoint( dc, "0000000000", 10, &sz );
    new_char_extent = sz.cx / 10;
    SelectObject( dc, font );
    ReleaseDC( info->list.box, dc );

    /* estimate the new width of the text in the list box */
    info->horz_extent = info->horz_extent *
                        ( new_char_extent / info->char_extent + 1 );
    info->char_extent = new_char_extent;
    SendMessage( info->list.box, LB_SETHORIZONTALEXTENT,
                 info->horz_extent, 0L );
    SendMessage( info->list.box, WM_SETFONT, (WPARAM)GetMonoFont(),
                 MAKELONG( TRUE, 0 ) );
    SetTrackFont();
}

static void hideHintBar( HWND hwnd, DDEWndInfo *info, BOOL hide ) {

    HMENU               mh;
    RECT                area;
    HWND                hinthwnd;
    WORD                height;

    mh = GetMenu( hwnd );
    hinthwnd = GetHintHwnd( info->hintbar );
    GetClientRect( hwnd, &area );
    height = area.bottom - area.top;
    if( hide ) {
        info->list.hinthite = 0;
        ShowWindow( hinthwnd, SW_HIDE );
        CheckMenuItem( mh, DDEMENU_HINTBAR, MF_BYCOMMAND | MF_UNCHECKED );
    } else {
        info->list.hinthite = SizeHintBar( info->hintbar );
        if( height < info->list.ypos + info->list.hinthite ) {
            ShowWindow( hinthwnd, SW_HIDE );
        } else {
            ShowWindow( hinthwnd, SW_SHOW );
        }
        CheckMenuItem( mh, DDEMENU_HINTBAR, MF_BYCOMMAND | MF_CHECKED );
    }
    ResizeListBox( area.right - area.left, height, &(info->list ) );
}

/*
 * DDEMainWndProc - process messages for the main window
 */
BOOL __export FAR PASCAL DDEMainWndProc( HWND hwnd, UINT msg, WPARAM wparam,
                                    DWORD lparam )
{
    DDEWndInfo          *info;
    char                *alias_title;
    FARPROC             fp;
    RECT                area;
    HMENU               mh;
    WORD                flag;
    HDC                 dc;
    HFONT               font;
    about_info          ai;
    WORD                cmd;
    SIZE                sz;
    HWND                hinthwnd;

    info = (DDEWndInfo *)GetWindowLong( hwnd, 0 );
    switch( msg ) {
    case WM_CREATE:
        DDEMainWnd = hwnd;
        MainWndConfig.hwnd = hwnd;
        DDEMsgFp = MakeProcInstance( (FARPROC)DDEMsgProc, Instance );
        InitMonitoring( hwnd );
        DdeInitialize( &DDEInstId, (PFNCALLBACK)DDEMsgFp,
                        APPCLASS_MONITOR | MF_CALLBACKS | MF_CONV |
                        MF_ERRORS | MF_HSZ_INFO | MF_LINKS |
                        MF_POSTMSGS | MF_SENDMSGS, 0L );
        info = MemAlloc( sizeof( DDEWndInfo ) );
        memset( info, 0, sizeof( DDEWndInfo ) );
        memset( &area, 0, sizeof( RECT ) );
        info->hintbar = HintWndCreate( hwnd, &area, Instance, NULL);
        SetHintText( info->hintbar, (MenuItemHint *)menuHints,
                     sizeof( menuHints ) / sizeof( MenuItemHint ) );
        hinthwnd = GetHintHwnd( info->hintbar );
        info->list.ypos = 0;
        info->horz_extent = 0;
        CreateListBox( hwnd, &( info->list ) );
        font = GetMonoFont();
        dc = GetDC( info->list.box );
        font = SelectObject( dc, font );
        GetTextExtentPoint( dc, "0000000000", 10, &sz );
        info->char_extent = sz.cx / 10;
        SelectObject( dc, font );
        ReleaseDC( info->list.box, dc );
        SetWindowLong( hwnd, 0, (DWORD) info );
        InitAliases();
        LogInit( hwnd, Instance, LogHeader );
        MakeDDEToolBar( hwnd );
        mh = GetMenu( hwnd );
        if( ConfigInfo.scroll ) {
            CheckMenuItem( mh, DDEMENU_SCROLL, MF_BYCOMMAND | MF_CHECKED );
        }
        if( !ConfigInfo.alias ) {
            CheckMenuItem( mh, DDEMENU_NO_ALIAS, MF_BYCOMMAND | MF_CHECKED );
        }