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 /*** global variables ****************************************************************************/
  42
  43 Mouse_Type use_mouse_p = MOUSE_NONE;
  44 gboolean mouse_enabled = FALSE;
  45 const char *xmouse_seq;
  46
  47 /*** file scope macro definitions ****************************************************************/
  48
  49 /*** file scope type declarations ****************************************************************/
  50
  51 /*** file scope variables ************************************************************************/
  52
  53 /*** file scope functions ************************************************************************/
  54 /* --------------------------------------------------------------------------------------------- */
  55
  56 /* --------------------------------------------------------------------------------------------- */
  57 /*** public functions ****************************************************************************/
  58 /* --------------------------------------------------------------------------------------------- */
  59
  60 void
  61 show_mouse_pointer (int x, int y)
  62 {
  63 #ifdef HAVE_LIBGPM
  64     if (use_mouse_p == MOUSE_GPM)
  65         Gpm_DrawPointer (x, y, gpm_consolefd);
  66 #else
  67     (void) x;
  68     (void) y;
  69 #endif /* HAVE_LIBGPM */
  70 }
  71
  72 /* --------------------------------------------------------------------------------------------- */
  73
  74 void
  75 init_mouse (void)
  76 {
  77     switch (use_mouse_p)
  78     {
  79 #ifdef HAVE_LIBGPM
  80     case MOUSE_NONE:
  81         use_mouse_p = MOUSE_GPM;
  82         break;
  83 #endif /* HAVE_LIBGPM */
  84
  85     case MOUSE_XTERM_NORMAL_TRACKING:
  86     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
  87         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  88         break;
  89
  90     default:
  91         break;
  92     }
  93
  94     enable_mouse ();
  95 }
  96
  97 /* --------------------------------------------------------------------------------------------- */
  98
  99 void
 100 enable_mouse (void)
 101 {
 102     if (mouse_enabled)
 103         return;
 104
 105     switch (use_mouse_p)
 106     {
 107 #ifdef HAVE_LIBGPM
 108     case MOUSE_GPM:
 109         {
 110             int mouse_d;
 111             Gpm_Connect conn;
 112
 113             conn.eventMask = ~GPM_MOVE;
 114             conn.defaultMask = GPM_MOVE;
 115             conn.minMod = 0;
 116             conn.maxMod = 0;
 117
 118             mouse_d = Gpm_Open (&conn, 0);
 119             if (mouse_d == -1)
 120             {
 121                 use_mouse_p = MOUSE_NONE;
 122                 return;
 123             }
 124             mouse_enabled = TRUE;
 125         }
 126         break;
 127 #endif /* HAVE_LIBGPM */
 128
 129     case MOUSE_XTERM_NORMAL_TRACKING:
 130         /* save old highlight mouse tracking */
 131         printf (ESC_STR "[?1001s");
 132
 133         /* enable mouse tracking */
 134         printf (ESC_STR "[?1000h");
 135
 136         fflush (stdout);
 137         mouse_enabled = TRUE;
 138         break;
 139
 140     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 141         /* save old highlight mouse tracking */
 142         printf (ESC_STR "[?1001s");
 143
 144         /* enable mouse tracking */
 145         printf (ESC_STR "[?1002h");
 146
 147         fflush (stdout);
 148         mouse_enabled = TRUE;
 149         break;
 150
 151     default:
 152         break;
 153     }
 154 }
 155
 156 /* --------------------------------------------------------------------------------------------- */
 157
 158 void
 159 disable_mouse (void)
 160 {
 161     if (!mouse_enabled)
 162         return;
 163
 164     mouse_enabled = FALSE;
 165
 166     switch (use_mouse_p)
 167     {
 168 #ifdef HAVE_LIBGPM
 169     case MOUSE_GPM:
 170         Gpm_Close ();
 171         break;
 172 #endif
 173     case MOUSE_XTERM_NORMAL_TRACKING:
 174         /* disable mouse tracking */
 175         printf (ESC_STR "[?1000l");
 176
 177         /* restore old highlight mouse tracking */
 178         printf (ESC_STR "[?1001r");
 179
 180         fflush (stdout);
 181         break;
 182     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 183         /* disable mouse tracking */
 184         printf (ESC_STR "[?1002l");
 185
 186         /* restore old highlight mouse tracking */
 187         printf (ESC_STR "[?1001r");
 188
 189         fflush (stdout);
 190         break;
 191     default:
 192         break;
 193     }
 194 }
 195
 196 /* --------------------------------------------------------------------------------------------- */