wininit.c

来自「开放源码的编译器open watcom 1.6.0版的源代码」· C语言 代码 · 共 106 行

/****************************************************************************
*
*                            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 <stdio.h>
#include <stdlib.h>
#include "vi.h"
#include "win.h"

/*
 * allocImage - allocate screen image
 */
static void allocImage( void )
{
    int i,j;

    i = WindMaxWidth*WindMaxHeight;
    ScreenImage = MemAlloc( i );
    for( j=0;j<i;j++ ) {
        ScreenImage[j] = NO_CHAR;
    }

} /* allocImage */

/*
 * StartWindows - begin windows session
 */
void StartWindows( void )
{
    allocImage();
    ClearScreen();
    EditFlags.WindowsStarted = TRUE;

} /* StartWindows */

/*
 * FinishWindows - done with windows; close down
 */
void FinishWindows( void )
{
    cursor_type ct;
    int i;

    // Close Down All Straggling Windows
    for( i=0; i<MAX_WINDS; i++ ){
        if( Windows[i] != NULL ){
            // CloseAWindow( i );
        }
    }

    // Close down the windowing system.

    if( EditFlags.ZapColors ) {
        int             i,total;
        char_info       _FAR *scr,what;

        what.attr = ExitAttr;
        if( !EditFlags.Quiet && Scrn != NULL ) {
            total = WindMaxWidth*WindMaxHeight;
            scr = (char_info _FAR *) Scrn;
            for( i=0;i<total;i ++ ) {
                what.ch = (*scr).ch;
                WRITE_SCREEN( *scr, what );
                scr++;
            }
    #ifdef __VIO__
            MyVioShowBuf( 0, WindMaxWidth*WindMaxHeight );
    #endif
        }
    }
    FiniColors();
    ct.height = 7;
    ct.width = 100;
    NewCursor( NULL, ct );
    MemFree( ScreenImage );
} /* FinishWindows */