cursor.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 101 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:  Change cursor shape according to state.
*
****************************************************************************/


#include <windows.h>

#include "fmedit.def"
#include "cursor.def"

enum {
    CURSOR_ARROW
,   CURSOR_CROSS
,   CURSOR_S_UD
,   CURSOR_S_LR
,   CURSOR_S_UR_BL
,   CURSOR_S_UL_BR
,   MAX_CURSORS
};


static HCURSOR Cursors[MAX_CURSORS];

static unsigned char StateCursor[] = {
    CURSOR_ARROW        /* DORMANT       */
,   0                   /* OVERBOX       */
,   CURSOR_CROSS        /* MOVING        */
,   CURSOR_ARROW        /* EDITING       */
,   0                   /* SIZING        */
,   CURSOR_ARROW        /* CREATING      */
,   CURSOR_ARROW        /* ALIGNING      */
,   CURSOR_CROSS        /* PASTE_PENDING */
,   CURSOR_CROSS        /* PASTEING      */
,   CURSOR_CROSS        /* SELECTING     */
,   CURSOR_CROSS        /* MOVE_PENDING  */
};

static unsigned char SizeCursor[] = {
    0,           CURSOR_S_UD,    CURSOR_S_UD,    0,
    CURSOR_S_LR, CURSOR_S_UL_BR, CURSOR_S_UR_BL, 0,
    CURSOR_S_LR, CURSOR_S_UR_BL, CURSOR_S_UL_BR
};


extern void InitCursors( void )
/*****************************/

/* set up the various mouse cursors needed */

 {
    Cursors[CURSOR_ARROW] = LoadCursor( NULL, IDC_ARROW );
    Cursors[CURSOR_CROSS] = LoadCursor( NULL , IDC_CROSS );
    Cursors[CURSOR_S_UD] =  LoadCursor( NULL, IDC_SIZENS );
    Cursors[CURSOR_S_LR] = LoadCursor( NULL, IDC_SIZEWE );
    Cursors[CURSOR_S_UR_BL] =  LoadCursor( NULL, IDC_SIZENESW );
    Cursors[CURSOR_S_UL_BR] = LoadCursor( NULL, IDC_SIZENWSE );
 }


extern void SetStateCursor( STATE_ID st )
/***************************************/

/* set the cursor depending on the specified state */

  {
    int cursoridx;

    if( (st != SIZING) && (st != OVERBOX) ) {
        cursoridx = StateCursor[st];
    } else {
        cursoridx = SizeCursor[GetSizing()];
    }
    SetCursor( Cursors[cursoridx] );
  }