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/*
Mouse managing
Copyright (C) 1994-2023
Free Software Foundation, Inc.
Written by:
Andrew Borodin <aborodin@vmail.ru>, 2009.
This file is part of the Midnight Commander.
The Midnight Commander is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version.
The Midnight Commander is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/** \file mouse.c
* \brief Source: mouse managing
*
* Events received by clients of this library have their coordinates 0 based
*/
#include <config.h>
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include "lib/global.h"
#include "tty.h"
#include "tty-internal.h" /* mouse_enabled */
#include "mouse.h"
#include "key.h" /* define sequence */
/*** global variables ****************************************************************************/
Mouse_Type use_mouse_p = MOUSE_NONE;
gboolean mouse_enabled = FALSE;
int mouse_fd = -1; /* for when gpm_fd changes to < 0 and the old one must be cleared from select_set */
const char *xmouse_seq;
const char *xmouse_extended_seq;
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
void
show_mouse_pointer (int x, int y)
{
#ifdef HAVE_LIBGPM
if (use_mouse_p == MOUSE_GPM)
Gpm_DrawPointer (x, y, gpm_consolefd);
#else
(void) x;
(void) y;
#endif /* HAVE_LIBGPM */
}
/* --------------------------------------------------------------------------------------------- */
void
init_mouse (void)
{
switch (use_mouse_p)
{
#ifdef HAVE_LIBGPM
case MOUSE_NONE:
use_mouse_p = MOUSE_GPM;
break;
#endif /* HAVE_LIBGPM */
case MOUSE_XTERM_NORMAL_TRACKING:
case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
if (xmouse_seq != NULL)
define_sequence (MCKEY_MOUSE, xmouse_seq, MCKEY_NOACTION);
if (xmouse_extended_seq != NULL)
define_sequence (MCKEY_EXTENDED_MOUSE, xmouse_extended_seq, MCKEY_NOACTION);
break;
default:
break;
}
enable_mouse ();
}
/* --------------------------------------------------------------------------------------------- */
void
enable_mouse (void)
{
if (mouse_enabled)
return;
switch (use_mouse_p)
{
#ifdef HAVE_LIBGPM
case MOUSE_GPM:
{
Gpm_Connect conn;
conn.eventMask = ~GPM_MOVE;
conn.defaultMask = GPM_MOVE;
conn.minMod = 0;
conn.maxMod = 0;
mouse_fd = Gpm_Open (&conn, 0);
if (mouse_fd == -1)
{
use_mouse_p = MOUSE_NONE;
return;
}
mouse_enabled = TRUE;
}
break;
#endif /* HAVE_LIBGPM */
case MOUSE_XTERM_NORMAL_TRACKING:
/* save old highlight mouse tracking */
printf (ESC_STR "[?1001s");
/* enable mouse tracking */
printf (ESC_STR "[?1000h");
/* enable SGR extended mouse reporting */
printf (ESC_STR "[?1006h");
fflush (stdout);
mouse_enabled = TRUE;
break;
case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
/* save old highlight mouse tracking */
printf (ESC_STR "[?1001s");
/* enable mouse tracking */
printf (ESC_STR "[?1002h");
/* enable SGR extended mouse reporting */
printf (ESC_STR "[?1006h");
fflush (stdout);
mouse_enabled = TRUE;
break;
default:
break;
}
}
/* --------------------------------------------------------------------------------------------- */
void
disable_mouse (void)
{
if (!mouse_enabled)
return;
mouse_enabled = FALSE;
switch (use_mouse_p)
{
#ifdef HAVE_LIBGPM
case MOUSE_GPM:
Gpm_Close ();
break;
#endif
case MOUSE_XTERM_NORMAL_TRACKING:
/* disable SGR extended mouse reporting */
printf (ESC_STR "[?1006l");
/* disable mouse tracking */
printf (ESC_STR "[?1000l");
/* restore old highlight mouse tracking */
printf (ESC_STR "[?1001r");
fflush (stdout);
break;
case MOUSE_XTERM_BUTTON_EVENT_TRACKING:
/* disable SGR extended mouse reporting */
printf (ESC_STR "[?1006l");
/* disable mouse tracking */
printf (ESC_STR "[?1002l");
/* restore old highlight mouse tracking */
printf (ESC_STR "[?1001r");
fflush (stdout);
break;
default:
break;
}
}
/* --------------------------------------------------------------------------------------------- */
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