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 /* "$Id$" */
  22
  23 #include <config.h>
  24 #include <sys/types.h>
  25 #ifdef HAVE_UNISTD_H
  26 #   include <unistd.h>
  27 #endif
  28 #include <fcntl.h>
  29 #include <stdio.h>
  30
  31 #include "global.h"
  32 #include "tty.h"
  33 #include "mouse.h"
  34 #include "key.h"                /* define sequence */
  35
  36 int mouse_enabled = 0;
  37 char *xmouse_seq;
  38
  39 #ifdef HAVE_LIBGPM
  40 void show_mouse_pointer (int x, int y)
  41 {
  42     if (use_mouse_p == MOUSE_GPM) {
  43         Gpm_DrawPointer (x, y, gpm_consolefd);
  44     }
  45 }
  46 #endif /* HAVE_LIBGPM */
  47
  48 void init_mouse (void)
  49 {
  50     switch (use_mouse_p) {
  51 #ifdef HAVE_LIBGPM
  52     case MOUSE_NONE:
  53         use_mouse_p = MOUSE_GPM;
  54         break;
  55 #endif /* HAVE_LIBGPM */
  56     case MOUSE_XTERM:
  57         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  58         break;
  59     default:
  60         break;
  61     }
  62     enable_mouse ();
  63 }
  64
  65 void enable_mouse (void)
  66 {
  67     if (mouse_enabled) {
  68         return;
  69     }
  70
  71     switch (use_mouse_p) {
  72 #ifdef HAVE_LIBGPM
  73     case MOUSE_GPM:
  74         {
  75             int mouse_d;
  76             Gpm_Connect conn;
  77
  78             conn.eventMask   = ~GPM_MOVE;
  79             conn.defaultMask = GPM_MOVE;
  80             conn.minMod      = 0;
  81             conn.maxMod      = 0;
  82
  83             mouse_d = Gpm_Open (&conn, 0);
  84             if (mouse_d == -1) {
  85                 use_mouse_p = MOUSE_NONE;
  86                 return;
  87             }
  88             mouse_enabled = 1;
  89         }
  90         break;
  91 #endif /* HAVE_LIBGPM */
  92     case MOUSE_XTERM:
  93         /* save old highlight mouse tracking */
  94         printf(ESC_STR "[?1001s");
  95
  96         /* enable mouse tracking */
  97         printf(ESC_STR "[?1000h");
  98
  99         fflush (stdout);
 100         mouse_enabled = 1;
 101         break;
 102     default:
 103         break;
 104     }
 105 }
 106
 107 void disable_mouse (void)
 108 {
 109     if (!mouse_enabled) {
 110         return;
 111     }
 112
 113     mouse_enabled = 0;
 114
 115     switch (use_mouse_p) {
 116 #ifdef HAVE_LIBGPM
 117     case MOUSE_GPM:
 118         Gpm_Close ();
 119         break;
 120 #endif
 121     case MOUSE_XTERM:
 122         /* disable mouse tracking */
 123         printf(ESC_STR "[?1000l");
 124
 125         /* restore old highlight mouse tracking */
 126         printf(ESC_STR "[?1001r");
 127
 128         fflush (stdout);
 129         break;
 130     default:
 131         break;
 132     }
 133 }