src/mouse.c

   1 /* Mouse managing
   2    Copyright (C) 1994 Miguel de Icaza.
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software
  16    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 /* Events received by clients of this library have their coordinates 0 */
  19 /* based */
  20
  21 #include <config.h>
  22 #include <sys/types.h>
  23 #ifdef HAVE_UNISTD_H
  24 #   include <unistd.h>
  25 #endif
  26 #include <stdio.h>
  27
  28 #include "global.h"
  29 #include "tty.h"
  30 #include "mouse.h"
  31 #include "key.h"                /* define sequence */
  32
  33 int mouse_enabled = 0;
  34 char *xmouse_seq;
  35
  36 #ifdef HAVE_LIBGPM
  37 void show_mouse_pointer (int x, int y)
  38 {
  39     if (use_mouse_p == MOUSE_GPM) {
  40         Gpm_DrawPointer (x, y, gpm_consolefd);
  41     }
  42 }
  43 #endif /* HAVE_LIBGPM */
  44
  45 void init_mouse (void)
  46 {
  47     switch (use_mouse_p) {
  48 #ifdef HAVE_LIBGPM
  49     case MOUSE_NONE:
  50         use_mouse_p = MOUSE_GPM;
  51         break;
  52 #endif /* HAVE_LIBGPM */
  53     case MOUSE_XTERM:
  54         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  55         break;
  56     default:
  57         break;
  58     }
  59     enable_mouse ();
  60 }
  61
  62 void enable_mouse (void)
  63 {
  64     if (mouse_enabled) {
  65         return;
  66     }
  67
  68     switch (use_mouse_p) {
  69 #ifdef HAVE_LIBGPM
  70     case MOUSE_GPM:
  71         {
  72             int mouse_d;
  73             Gpm_Connect conn;
  74
  75             conn.eventMask   = ~GPM_MOVE;
  76             conn.defaultMask = GPM_MOVE;
  77             conn.minMod      = 0;
  78             conn.maxMod      = 0;
  79
  80             mouse_d = Gpm_Open (&conn, 0);
  81             if (mouse_d == -1) {
  82                 use_mouse_p = MOUSE_NONE;
  83                 return;
  84             }
  85             mouse_enabled = 1;
  86         }
  87         break;
  88 #endif /* HAVE_LIBGPM */
  89     case MOUSE_XTERM:
  90         /* save old highlight mouse tracking */
  91         printf(ESC_STR "[?1001s");
  92
  93         /* enable mouse tracking */
  94         printf(ESC_STR "[?1000h");
  95
  96         fflush (stdout);
  97         mouse_enabled = 1;
  98         break;
  99     default:
 100         break;
 101     }
 102 }
 103
 104 void disable_mouse (void)
 105 {
 106     if (!mouse_enabled) {
 107         return;
 108     }
 109
 110     mouse_enabled = 0;
 111
 112     switch (use_mouse_p) {
 113 #ifdef HAVE_LIBGPM
 114     case MOUSE_GPM:
 115         Gpm_Close ();
 116         break;
 117 #endif
 118     case MOUSE_XTERM:
 119         /* disable mouse tracking */
 120         printf(ESC_STR "[?1000l");
 121
 122         /* restore old highlight mouse tracking */
 123         printf(ESC_STR "[?1001r");
 124
 125         fflush (stdout);
 126         break;
 127     default:
 128         break;
 129     }
 130 }