lib/tty/mouse.c

   1 /* Mouse managing
   2    Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006,
   3    2007, 2009 Free Software Foundation, Inc.
   4
   5    Written by:
   6    Andrew Borodin <aborodin@vmail.ru>, 2009.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  21
  22 /** \file mouse.c
  23  *  \brief Source: mouse managing
  24  *
  25  *  Events received by clients of this library have their coordinates 0 based
  26  */
  27
  28 #include <config.h>
  29
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <unistd.h>
  33
  34 #include "lib/global.h"
  35
  36 #include "tty.h"
  37 #include "tty-internal.h" /* mouse_enabled */
  38 #include "mouse.h"
  39 #include "key.h"  /* define sequence */
  40
  41 gboolean mouse_enabled = FALSE;
  42 const char *xmouse_seq;
  43
  44 void
  45 show_mouse_pointer (int x, int y)
  46 {
  47 #ifdef HAVE_LIBGPM
  48     if (use_mouse_p == MOUSE_GPM)
  49         Gpm_DrawPointer (x, y, gpm_consolefd);
  50 #else
  51     (void) x;
  52     (void) y;
  53 #endif /* HAVE_LIBGPM */
  54 }
  55
  56 void
  57 init_mouse (void)
  58 {
  59     switch (use_mouse_p) {
  60 #ifdef HAVE_LIBGPM
  61     case MOUSE_NONE:
  62         use_mouse_p = MOUSE_GPM;
  63         break;
  64 #endif /* HAVE_LIBGPM */
  65
  66     case MOUSE_XTERM_NORMAL_TRACKING:
  67     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
  68         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  69         break;
  70
  71     default:
  72         break;
  73     }
  74
  75     enable_mouse ();
  76 }
  77
  78 void
  79 enable_mouse (void)
  80 {
  81     if (mouse_enabled)
  82         return;
  83
  84     switch (use_mouse_p) {
  85 #ifdef HAVE_LIBGPM
  86     case MOUSE_GPM:
  87     {
  88         int mouse_d;
  89         Gpm_Connect conn;
  90
  91         conn.eventMask = ~GPM_MOVE;
  92         conn.defaultMask = GPM_MOVE;
  93         conn.minMod = 0;
  94         conn.maxMod = 0;
  95
  96         mouse_d = Gpm_Open (&conn, 0);
  97         if (mouse_d == -1) {
  98             use_mouse_p = MOUSE_NONE;
  99             return;
 100         }
 101         mouse_enabled = 1;
 102     }
 103         break;
 104 #endif /* HAVE_LIBGPM */
 105
 106     case MOUSE_XTERM_NORMAL_TRACKING:
 107         /* save old highlight mouse tracking */
 108         printf (ESC_STR "[?1001s");
 109
 110         /* enable mouse tracking */
 111         printf (ESC_STR "[?1000h");
 112
 113         fflush (stdout);
 114         mouse_enabled = TRUE;
 115         break;
 116
 117     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 118         /* save old highlight mouse tracking */
 119         printf (ESC_STR "[?1001s");
 120
 121         /* enable mouse tracking */
 122         printf (ESC_STR "[?1002h");
 123
 124         fflush (stdout);
 125         mouse_enabled = TRUE;
 126         break;
 127
 128     default:
 129         break;
 130     }
 131 }
 132
 133 void
 134 disable_mouse (void)
 135 {
 136     if (!mouse_enabled)
 137         return;
 138
 139     mouse_enabled = FALSE;
 140
 141     switch (use_mouse_p) {
 142 #ifdef HAVE_LIBGPM
 143     case MOUSE_GPM:
 144         Gpm_Close ();
 145         break;
 146 #endif
 147     case MOUSE_XTERM_NORMAL_TRACKING:
 148         /* disable mouse tracking */
 149         printf (ESC_STR "[?1000l");
 150
 151         /* restore old highlight mouse tracking */
 152         printf (ESC_STR "[?1001r");
 153
 154         fflush (stdout);
 155         break;
 156     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 157         /* disable mouse tracking */
 158         printf (ESC_STR "[?1002l");
 159
 160         /* restore old highlight mouse tracking */
 161         printf (ESC_STR "[?1001r");
 162
 163         fflush (stdout);
 164         break;
 165     default:
 166         break;
 167     }
 168 }