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Diffstat (limited to '')
| -rw-r--r-- | lib/tty/mouse.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/lib/tty/mouse.c b/lib/tty/mouse.c new file mode 100644 index 0000000..cf42287 --- /dev/null +++ b/lib/tty/mouse.c @@ -0,0 +1,216 @@ +/* + 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; + } +} + +/* --------------------------------------------------------------------------------------------- */ |