lib/tty/mouse.c

   1 /*
   2    Mouse managing
   3
   4    Copyright (C) 1994, 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006,
   5    2007, 2009, 2011
   6    The Free Software Foundation, Inc.
   7
   8    Written by:
   9    Andrew Borodin <aborodin@vmail.ru>, 2009.
  10
  11    This file is part of the Midnight Commander.
  12
  13    The Midnight Commander is free software: you can redistribute it
  14    and/or modify it under the terms of the GNU General Public License as
  15    published by the Free Software Foundation, either version 3 of the License,
  16    or (at your option) any later version.
  17
  18    The Midnight Commander is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27 /** \file mouse.c
  28  *  \brief Source: mouse managing
  29  *
  30  *  Events received by clients of this library have their coordinates 0 based
  31  */
  32
  33 #include <config.h>
  34
  35 #include <stdio.h>
  36 #include <sys/types.h>
  37 #include <unistd.h>
  38
  39 #include "lib/global.h"
  40
  41 #include "tty.h"
  42 #include "tty-internal.h"       /* mouse_enabled */
  43 #include "mouse.h"
  44 #include "key.h"                /* define sequence */
  45
  46 /*** global variables ****************************************************************************/
  47
  48 Mouse_Type use_mouse_p = MOUSE_NONE;
  49 gboolean mouse_enabled = FALSE;
  50 const char *xmouse_seq;
  51
  52 /*** file scope macro definitions ****************************************************************/
  53
  54 /*** file scope type declarations ****************************************************************/
  55
  56 /*** file scope variables ************************************************************************/
  57
  58 /*** file scope functions ************************************************************************/
  59 /* --------------------------------------------------------------------------------------------- */
  60
  61 /* --------------------------------------------------------------------------------------------- */
  62 /*** public functions ****************************************************************************/
  63 /* --------------------------------------------------------------------------------------------- */
  64
  65 void
  66 show_mouse_pointer (int x, int y)
  67 {
  68 #ifdef HAVE_LIBGPM
  69     if (use_mouse_p == MOUSE_GPM)
  70         Gpm_DrawPointer (x, y, gpm_consolefd);
  71 #else
  72     (void) x;
  73     (void) y;
  74 #endif /* HAVE_LIBGPM */
  75 }
  76
  77 /* --------------------------------------------------------------------------------------------- */
  78
  79 void
  80 init_mouse (void)
  81 {
  82     switch (use_mouse_p)
  83     {
  84 #ifdef HAVE_LIBGPM
  85     case MOUSE_NONE:
  86         use_mouse_p = MOUSE_GPM;
  87         break;
  88 #endif /* HAVE_LIBGPM */
  89
  90     case MOUSE_XTERM_NORMAL_TRACKING:
  91     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
  92         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  93         break;
  94
  95     default:
  96         break;
  97     }
  98
  99     enable_mouse ();
 100 }
 101
 102 /* --------------------------------------------------------------------------------------------- */
 103
 104 void
 105 enable_mouse (void)
 106 {
 107     if (mouse_enabled)
 108         return;
 109
 110     switch (use_mouse_p)
 111     {
 112 #ifdef HAVE_LIBGPM
 113     case MOUSE_GPM:
 114         {
 115             int mouse_d;
 116             Gpm_Connect conn;
 117
 118             conn.eventMask = ~GPM_MOVE;
 119             conn.defaultMask = GPM_MOVE;
 120             conn.minMod = 0;
 121             conn.maxMod = 0;
 122
 123             mouse_d = Gpm_Open (&conn, 0);
 124             if (mouse_d == -1)
 125             {
 126                 use_mouse_p = MOUSE_NONE;
 127                 return;
 128             }
 129             mouse_enabled = TRUE;
 130         }
 131         break;
 132 #endif /* HAVE_LIBGPM */
 133
 134     case MOUSE_XTERM_NORMAL_TRACKING:
 135         /* save old highlight mouse tracking */
 136         printf (ESC_STR "[?1001s");
 137
 138         /* enable mouse tracking */
 139         printf (ESC_STR "[?1000h");
 140
 141         fflush (stdout);
 142         mouse_enabled = TRUE;
 143         break;
 144
 145     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 146         /* save old highlight mouse tracking */
 147         printf (ESC_STR "[?1001s");
 148
 149         /* enable mouse tracking */
 150         printf (ESC_STR "[?1002h");
 151
 152         fflush (stdout);
 153         mouse_enabled = TRUE;
 154         break;
 155
 156     default:
 157         break;
 158     }
 159 }
 160
 161 /* --------------------------------------------------------------------------------------------- */
 162
 163 void
 164 disable_mouse (void)
 165 {
 166     if (!mouse_enabled)
 167         return;
 168
 169     mouse_enabled = FALSE;
 170
 171     switch (use_mouse_p)
 172     {
 173 #ifdef HAVE_LIBGPM
 174     case MOUSE_GPM:
 175         Gpm_Close ();
 176         break;
 177 #endif
 178     case MOUSE_XTERM_NORMAL_TRACKING:
 179         /* disable mouse tracking */
 180         printf (ESC_STR "[?1000l");
 181
 182         /* restore old highlight mouse tracking */
 183         printf (ESC_STR "[?1001r");
 184
 185         fflush (stdout);
 186         break;
 187     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 188         /* disable mouse tracking */
 189         printf (ESC_STR "[?1002l");
 190
 191         /* restore old highlight mouse tracking */
 192         printf (ESC_STR "[?1001r");
 193
 194         fflush (stdout);
 195         break;
 196     default:
 197         break;
 198     }
 199 }
 200
 201 /* --------------------------------------------------------------------------------------------- */