src/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 "../../src/global.h"
  35
  36 #include "../../src/tty/tty.h"
  37 #include "../../src/tty/tty-internal.h" /* mouse_enabled */
  38 #include "../../src/tty/mouse.h"
  39 #include "../../src/tty/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 #endif /* HAVE_LIBGPM */
  51 }
  52
  53 void
  54 init_mouse (void)
  55 {
  56     switch (use_mouse_p) {
  57 #ifdef HAVE_LIBGPM
  58     case MOUSE_NONE:
  59         use_mouse_p = MOUSE_GPM;
  60         break;
  61 #endif /* HAVE_LIBGPM */
  62
  63     case MOUSE_XTERM_NORMAL_TRACKING:
  64     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
  65         define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
  66         break;
  67
  68     default:
  69         break;
  70     }
  71
  72     enable_mouse ();
  73 }
  74
  75 void
  76 enable_mouse (void)
  77 {
  78     if (mouse_enabled)
  79         return;
  80
  81     switch (use_mouse_p) {
  82 #ifdef HAVE_LIBGPM
  83     case MOUSE_GPM:
  84     {
  85         int mouse_d;
  86         Gpm_Connect conn;
  87
  88         conn.eventMask = ~GPM_MOVE;
  89         conn.defaultMask = GPM_MOVE;
  90         conn.minMod = 0;
  91         conn.maxMod = 0;
  92
  93         mouse_d = Gpm_Open (&conn, 0);
  94         if (mouse_d == -1) {
  95             use_mouse_p = MOUSE_NONE;
  96             return;
  97         }
  98         mouse_enabled = 1;
  99     }
 100         break;
 101 #endif /* HAVE_LIBGPM */
 102
 103     case MOUSE_XTERM_NORMAL_TRACKING:
 104         /* save old highlight mouse tracking */
 105         printf (ESC_STR "[?1001s");
 106
 107         /* enable mouse tracking */
 108         printf (ESC_STR "[?1000h");
 109
 110         fflush (stdout);
 111         mouse_enabled = TRUE;
 112         break;
 113
 114     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 115         /* save old highlight mouse tracking */
 116         printf (ESC_STR "[?1001s");
 117
 118         /* enable mouse tracking */
 119         printf (ESC_STR "[?1002h");
 120
 121         fflush (stdout);
 122         mouse_enabled = TRUE;
 123         break;
 124
 125     default:
 126         break;
 127     }
 128 }
 129
 130 void
 131 disable_mouse (void)
 132 {
 133     if (!mouse_enabled)
 134         return;
 135
 136     mouse_enabled = FALSE;
 137
 138     switch (use_mouse_p) {
 139 #ifdef HAVE_LIBGPM
 140     case MOUSE_GPM:
 141         Gpm_Close ();
 142         break;
 143 #endif
 144     case MOUSE_XTERM_NORMAL_TRACKING:
 145         /* disable mouse tracking */
 146         printf (ESC_STR "[?1000l");
 147
 148         /* restore old highlight mouse tracking */
 149         printf (ESC_STR "[?1001r");
 150
 151         fflush (stdout);
 152         break;
 153     case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
 154         /* disable mouse tracking */
 155         printf (ESC_STR "[?1002l");
 156
 157         /* restore old highlight mouse tracking */
 158         printf (ESC_STR "[?1001r");
 159
 160         fflush (stdout);
 161         break;
 162     default:
 163         break;
 164     }
 165 }