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     }
  60     enable_mouse ();
  61 }
  62
  63 void enable_mouse (void)
  64 {
  65     if (mouse_enabled) {
  66         return;
  67     }
  68
  69     switch (use_mouse_p) {
  70 #ifdef HAVE_LIBGPM
  71     case MOUSE_GPM:
  72         {
  73             int mouse_d;
  74             Gpm_Connect conn;
  75
  76             conn.eventMask   = ~GPM_MOVE;
  77             conn.defaultMask = GPM_MOVE;
  78             conn.minMod      = 0;
  79             conn.maxMod      = 0;
  80
  81             mouse_d = Gpm_Open (&conn, 0);
  82             if (mouse_d == -1) {
  83                 use_mouse_p = MOUSE_NONE;
  84                 return;
  85             }
  86             mouse_enabled = 1;
  87         }
  88         break;
  89 #endif /* HAVE_LIBGPM */
  90     case MOUSE_XTERM:
  91         /* save old highlight mouse tracking */
  92         printf(ESC_STR "[?1001s");
  93
  94         /* enable mouse tracking */
  95         printf(ESC_STR "[?1000h");
  96
  97         fflush (stdout);
  98         mouse_enabled = 1;
  99         break;
 100     }
 101 }
 102
 103 void disable_mouse (void)
 104 {
 105     if (!mouse_enabled) {
 106         return;
 107     }
 108
 109     mouse_enabled = 0;
 110
 111     switch (use_mouse_p) {
 112 #ifdef HAVE_LIBGPM
 113     case MOUSE_GPM:
 114         Gpm_Close ();
 115         break;
 116 #endif
 117     case MOUSE_XTERM:
 118         /* disable mouse tracking */
 119         printf(ESC_STR "[?1000l");
 120
 121         /* restore old highlight mouse tracking */
 122         printf(ESC_STR "[?1001r");
 123
 124         fflush (stdout);
 125         break;
 126     }
 127 }