src/mouse.c

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