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         /* enable urxvt extended mouse coordinate reporting */
 142         printf (ESC_STR "[?1015h");
 143
 144         fflush (stdout);
 145         mouse_enabled = TRUE;
 146         break;
 147
 148     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 149         /* save old highlight mouse tracking */
 150         printf (ESC_STR "[?1001s");
 151
 152         /* enable mouse tracking */
 153         printf (ESC_STR "[?1002h");
 154
 155         /* enable urxvt extended mouse coordinate reporting */
 156         printf (ESC_STR "[?1015h");
 157
 158         fflush (stdout);
 159         mouse_enabled = TRUE;
 160         break;
 161
 162     default:
 163         break;
 164     }
 165 }
 166
 167 /* --------------------------------------------------------------------------------------------- */
 168
 169 void
 170 disable_mouse (void)
 171 {
 172     if (!mouse_enabled)
 173         return;
 174
 175     mouse_enabled = FALSE;
 176
 177     switch (use_mouse_p)
 178     {
 179 #ifdef HAVE_LIBGPM
 180     case MOUSE_GPM:
 181         Gpm_Close ();
 182         break;
 183 #endif
 184     case MOUSE_XTERM_NORMAL_TRACKING:
 185         /* disable urxvt extended mouse coordinate reporting */
 186         printf (ESC_STR "[?1015l");
 187
 188         /* disable mouse tracking */
 189         printf (ESC_STR "[?1000l");
 190
 191         /* restore old highlight mouse tracking */
 192         printf (ESC_STR "[?1001r");
 193
 194         fflush (stdout);
 195         break;
 196     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 197         /* disable urxvt extended mouse coordinate reporting */
 198         printf (ESC_STR "[?1015l");
 199
 200         /* disable mouse tracking */
 201         printf (ESC_STR "[?1002l");
 202
 203         /* restore old highlight mouse tracking */
 204         printf (ESC_STR "[?1001r");
 205
 206         fflush (stdout);
 207         break;
 208     default:
 209         break;
 210     }
 211 }
 212
 213 /* --------------------------------------------------------------------------------------------- */