usr/src/lib/libcurses/screen/mouse.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 /*      Copyright (c) 1988 AT&T */
  28 /*        All Rights Reserved   */
  29
  30 /*
  31  * University Copyright- Copyright (c) 1982, 1986, 1988
  32  * The Regents of the University of California
  33  * All Rights Reserved
  34  *
  35  * University Acknowledgment- Portions of this document are derived from
  36  * software developed by the University of California, Berkeley, and its
  37  * contributors.
  38  */
  39
  40 #pragma ident   "%Z%%M% %I%     %E% SMI"
  41
  42 /*LINTLIBRARY*/
  43
  44 #include <sys/types.h>
  45 #include "curses_inc.h"
  46
  47 int
  48 mouse_set(long int mbe)
  49 {
  50         if (get_mouse) {
  51                 SP->_trap_mbe = mbe;
  52                 (void) tputs(tparm_p1(get_mouse, mbe), 1, _outch);
  53                 (void) fflush(SP->term_file);
  54                 return (OK);
  55         }
  56         return (ERR);
  57 }
  58
  59 int
  60 mouse_on(long int mbe)
  61 {
  62         if (get_mouse) {
  63                 SP->_trap_mbe |= mbe;
  64                 (void) tputs(tparm_p1(get_mouse, (long) SP->_trap_mbe),
  65                     1, _outch);
  66                 (void) fflush(SP->term_file);
  67                 return (OK);
  68         }
  69         return (ERR);
  70 }
  71
  72 int
  73 mouse_off(long int mbe)
  74 {
  75         if (get_mouse) {
  76                 SP->_trap_mbe &= ~mbe;
  77                 (void) tputs(tparm_p1(get_mouse, (long) SP->_trap_mbe),
  78                     1, _outch);
  79                 (void) fflush(SP->term_file);
  80                 return (OK);
  81         }
  82         return (ERR);
  83 }
  84
  85
  86 int
  87 request_mouse_pos(void)
  88 {
  89         int i;
  90
  91         if (req_mouse_pos) {
  92                 (void) tputs(req_mouse_pos, 1, _outch);
  93                 (void) fflush(SP->term_file);
  94
  95                 /* we now must wait for report of mouse position. How do  */
  96                 /* we know that this is mouse position report an not any- */
  97                 /* thing else?  thetch() returns KEY_MOUSE and the status */
  98                 /* off all the buttons remains unchanged.                 */
  99                 /* just to avoid going into infinite loop, we have a      */
 100                 /* counter.  if 1000 responses won't have what we need,   */
 101                 /* we'll return error                                     */
 102
 103                 for (i = 0; i < 1000; i++) {
 104                         if ((tgetch(1) == KEY_MOUSE) && MOUSE_POS_REPORT)
 105                                 break;
 106                 }
 107                 if (i == 1000)
 108                         return (ERR);
 109                 return (OK);
 110         }
 111         return (ERR);
 112 }
 113
 114 void
 115 wmouse_position(WINDOW *win, int *x, int *y)
 116 {
 117         /* mouse pointer outside the window, store -1's into x and y */
 118
 119         if (win->_begy > MOUSE_Y_POS || win->_begx > MOUSE_X_POS ||
 120             win->_begy+win->_maxy < MOUSE_Y_POS ||
 121             win->_begx+win->_maxx < MOUSE_X_POS) {
 122                 *x = -1;  *y = -1;
 123         } else {
 124                 *x = MOUSE_X_POS - win->_begx;
 125                 *y = MOUSE_Y_POS - win->_begy;
 126         }
 127 }
 128
 129
 130 int
 131 map_button(unsigned long a)
 132 {
 133         SP->_map_mbe_to_key = a;
 134         return (OK);
 135 }
 136
 137
 138 unsigned long
 139 getmouse(void)
 140 {
 141         return (SP->_trap_mbe);
 142 }
 143
 144
 145 unsigned long
 146 getbmap(void)
 147 {
 148         return (SP->_map_mbe_to_key);
 149 }