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/*-
* Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer as
* the first lines of this file unmodified.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/dev/syscons/scmouse.c 225617 2011-09-16 13:58:51Z kmacy $");
#include "opt_syscons.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/consio.h>
#include <sys/fbio.h>
#include <sys/limits.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/mouse.h>
#include <sys/mutex.h>
#include <sys/proc.h>
#include <sys/random.h>
#include <sys/signalvar.h>
#include <sys/tty.h>
#include <dev/syscons/syscons.h>
#ifdef SC_TWOBUTTON_MOUSE
#define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON3DOWN /* right button */
#define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON2DOWN /* not really used */
#else
#define SC_MOUSE_PASTEBUTTON MOUSE_BUTTON2DOWN /* middle button */
#define SC_MOUSE_EXTENDBUTTON MOUSE_BUTTON3DOWN /* right button */
#endif /* SC_TWOBUTTON_MOUSE */
#define SC_WAKEUP_DELTA 20
/* for backward compatibility */
#define OLD_CONS_MOUSECTL _IOWR('c', 10, old_mouse_info_t)
typedef struct old_mouse_data {
int x;
int y;
int buttons;
} old_mouse_data_t;
typedef struct old_mouse_info {
int operation;
union {
struct old_mouse_data data;
struct mouse_mode mode;
} u;
} old_mouse_info_t;
#ifndef SC_NO_SYSMOUSE
/* local variables */
#ifndef SC_NO_CUTPASTE
static int cut_buffer_size;
static u_char *cut_buffer;
#endif
/* local functions */
static void set_mouse_pos(scr_stat *scp);
#ifndef SC_NO_CUTPASTE
static int skip_spc_right(scr_stat *scp, int p);
static int skip_spc_left(scr_stat *scp, int p);
static void mouse_cut(scr_stat *scp);
static void mouse_cut_start(scr_stat *scp);
static void mouse_cut_end(scr_stat *scp);
static void mouse_cut_word(scr_stat *scp);
static void mouse_cut_line(scr_stat *scp);
static void mouse_cut_extend(scr_stat *scp);
#endif /* SC_NO_CUTPASTE */
#ifndef SC_NO_CUTPASTE
/* allocate a cut buffer */
void
sc_alloc_cut_buffer(scr_stat *scp, int wait)
{
u_char *p;
if ((cut_buffer == NULL)
|| (cut_buffer_size < scp->xsize * scp->ysize + 1)) {
p = cut_buffer;
cut_buffer = NULL;
if (p != NULL)
free(p, M_DEVBUF);
cut_buffer_size = scp->xsize * scp->ysize + 1;
p = (u_char *)malloc(cut_buffer_size,
M_DEVBUF, (wait) ? M_WAITOK : M_NOWAIT);
if (p != NULL)
p[0] = '\0';
cut_buffer = p;
}
}
#endif /* SC_NO_CUTPASTE */
static void
sc_mouse_input_button(scr_stat *scp, int button)
{
char mouseb[6] = "\x1B[M";
mouseb[3] = ' ' + button;
mouseb[4] = '!' + scp->mouse_pos % scp->xsize;
mouseb[5] = '!' + scp->mouse_pos / scp->xsize;
sc_respond(scp, mouseb, sizeof mouseb, 1);
}
static void
sc_mouse_input(scr_stat *scp, mouse_info_t *mouse)
{
switch (mouse->operation) {
case MOUSE_BUTTON_EVENT:
if (mouse->u.event.value > 0) {
/* Mouse button pressed. */
if (mouse->u.event.id & MOUSE_BUTTON1DOWN)
sc_mouse_input_button(scp, 0);
if (mouse->u.event.id & MOUSE_BUTTON2DOWN)
sc_mouse_input_button(scp, 1);
if (mouse->u.event.id & MOUSE_BUTTON3DOWN)
sc_mouse_input_button(scp, 2);
} else {
/* Mouse button released. */
sc_mouse_input_button(scp, 3);
}
break;
case MOUSE_MOTION_EVENT:
if (mouse->u.data.z < 0) {
/* Scroll up. */
sc_mouse_input_button(scp, 64);
} else if (mouse->u.data.z > 0) {
/* Scroll down. */
sc_mouse_input_button(scp, 65);
}
break;
}
}
/* move mouse */
void
sc_mouse_move(scr_stat *scp, int x, int y)
{
int s;
s = spltty();
scp->mouse_xpos = scp->mouse_oldxpos = x;
scp->mouse_ypos = scp->mouse_oldypos = y;
if (scp->font_size <= 0 || scp->font_width <= 0)
scp->mouse_pos = scp->mouse_oldpos = 0;
else
scp->mouse_pos = scp->mouse_oldpos =
(y/scp->font_size - scp->yoff)*scp->xsize + x/scp->font_width -
scp->xoff;
scp->status |= MOUSE_MOVED;
splx(s);
}
/* adjust mouse position */
static void
set_mouse_pos(scr_stat *scp)
{
if (scp->mouse_xpos < scp->xoff*scp->font_width)
scp->mouse_xpos = scp->xoff*scp->font_width;
if (scp->mouse_ypos < scp->yoff*scp->font_size)
scp->mouse_ypos = scp->yoff*scp->font_size;
if (ISGRAPHSC(scp)) {
if (scp->mouse_xpos > scp->xpixel-1)
scp->mouse_xpos = scp->xpixel-1;
if (scp->mouse_ypos > scp->ypixel-1)
scp->mouse_ypos = scp->ypixel-1;
return;
} else {
if (scp->mouse_xpos > (scp->xsize + scp->xoff)*scp->font_width - 1)
scp->mouse_xpos = (scp->xsize + scp->xoff)*scp->font_width - 1;
if (scp->mouse_ypos > (scp->ysize + scp->yoff)*scp->font_size - 1)
scp->mouse_ypos = (scp->ysize + scp->yoff)*scp->font_size - 1;
}
if ((scp->mouse_xpos != scp->mouse_oldxpos || scp->mouse_ypos != scp->mouse_oldypos)
&& (scp->font_size != 0 && scp->font_width != 0)) {
scp->status |= MOUSE_MOVED;
scp->mouse_pos =
(scp->mouse_ypos/scp->font_size - scp->yoff)*scp->xsize
+ scp->mouse_xpos/scp->font_width - scp->xoff;
#ifndef SC_NO_CUTPASTE
if ((scp->status & MOUSE_VISIBLE) && (scp->status & MOUSE_CUTTING))
mouse_cut(scp);
#endif
}
}
#ifndef SC_NO_CUTPASTE
void
sc_draw_mouse_image(scr_stat *scp)
{
if (ISGRAPHSC(scp))
return;
SC_VIDEO_LOCK(scp->sc);
(*scp->rndr->draw_mouse)(scp, scp->mouse_xpos, scp->mouse_ypos, TRUE);
scp->mouse_oldpos = scp->mouse_pos;
scp->mouse_oldxpos = scp->mouse_xpos;
scp->mouse_oldypos = scp->mouse_ypos;
scp->status |= MOUSE_VISIBLE;
SC_VIDEO_UNLOCK(scp->sc);
}
void
sc_remove_mouse_image(scr_stat *scp)
{
int size;
int i;
if (ISGRAPHSC(scp))
return;
SC_VIDEO_LOCK(scp->sc);
(*scp->rndr->draw_mouse)(scp,
(scp->mouse_oldpos%scp->xsize + scp->xoff)
* scp->font_width,
(scp->mouse_oldpos/scp->xsize + scp->yoff)
* scp->font_size,
FALSE);
size = scp->xsize*scp->ysize;
i = scp->mouse_oldpos;
mark_for_update(scp, i);
mark_for_update(scp, i);
#ifndef PC98
if (i + scp->xsize + 1 < size) {
mark_for_update(scp, i + scp->xsize + 1);
} else if (i + scp->xsize < size) {
mark_for_update(scp, i + scp->xsize);
} else if (i + 1 < size) {
mark_for_update(scp, i + 1);
}
#endif /* PC98 */
scp->status &= ~MOUSE_VISIBLE;
SC_VIDEO_UNLOCK(scp->sc);
}
int
sc_inside_cutmark(scr_stat *scp, int pos)
{
int start;
int end;
if (scp->mouse_cut_end < 0)
return FALSE;
if (scp->mouse_cut_start <= scp->mouse_cut_end) {
start = scp->mouse_cut_start;
end = scp->mouse_cut_end;
} else {
start = scp->mouse_cut_end;
end = scp->mouse_cut_start - 1;
}
return ((start <= pos) && (pos <= end));
}
void
sc_remove_cutmarking(scr_stat *scp)
{
int s;
s = spltty();
if (scp->mouse_cut_end >= 0) {
mark_for_update(scp, scp->mouse_cut_start);
mark_for_update(scp, scp->mouse_cut_end);
}
scp->mouse_cut_start = scp->xsize*scp->ysize;
scp->mouse_cut_end = -1;
splx(s);
scp->status &= ~MOUSE_CUTTING;
}
void
sc_remove_all_cutmarkings(sc_softc_t *sc)
{
scr_stat *scp;
int i;
/* delete cut markings in all vtys */
for (i = 0; i < sc->vtys; ++i) {
scp = SC_STAT(sc->dev[i]);
if (scp == NULL)
continue;
sc_remove_cutmarking(scp);
}
}
void
sc_remove_all_mouse(sc_softc_t *sc)
{
scr_stat *scp;
int i;
for (i = 0; i < sc->vtys; ++i) {
scp = SC_STAT(sc->dev[i]);
if (scp == NULL)
continue;
if (scp->status & MOUSE_VISIBLE) {
scp->status &= ~MOUSE_VISIBLE;
mark_all(scp);
}
}
}
#define IS_SPACE_CHAR(c) (((c) & 0xff) == ' ')
#ifdef SC_CUT_SPACES2TABS
#define IS_BLANK_CHAR(c) (((c) & 0xff) == ' ' || ((c) & 0xff) == '\t')
#else
#define IS_BLANK_CHAR(c) IS_SPACE_CHAR(c)
#endif /* SC_CUT_SPACES2TABS */
#ifdef SC_CUT_SEPCHARS
#define IS_SEP_CHAR(c) (index(SC_CUT_SEPCHARS, (c) & 0xff) != NULL)
#else
#define IS_SEP_CHAR(c) IS_SPACE_CHAR(c)
#endif /* SC_CUT_SEPCHARS */
/* skip spaces to right */
static int
skip_spc_right(scr_stat *scp, int p)
{
int c;
int i;
for (i = p % scp->xsize; i < scp->xsize; ++i) {
c = sc_vtb_getc(&scp->vtb, p);
if (!IS_SPACE_CHAR(c))
break;
++p;
}
return i;
}
/* skip spaces to left */
static int
skip_spc_left(scr_stat *scp, int p)
{
int c;
int i;
for (i = p-- % scp->xsize - 1; i >= 0; --i) {
c = sc_vtb_getc(&scp->vtb, p);
if (!IS_SPACE_CHAR(c))
break;
--p;
}
return i;
}
static void
mouse_do_cut(scr_stat *scp, int from, int to)
{
int blank;
int i;
int leadspaces;
int p;
int s;
for (p = from, i = blank = leadspaces = 0; p <= to; ++p) {
cut_buffer[i] = sc_vtb_getc(&scp->vtb, p);
/* Be prepared that sc_vtb_getc() can return '\0' */
if (cut_buffer[i] == '\0')
cut_buffer[i] = ' ';
#ifdef SC_CUT_SPACES2TABS
if (leadspaces != -1) {
if (IS_SPACE_CHAR(cut_buffer[i])) {
leadspaces++;
/* Check that we are at tabstop position */
if ((p % scp->xsize) % 8 == 7) {
i -= leadspaces - 1;
cut_buffer[i] = '\t';
leadspaces = 0;
}
} else {
leadspaces = -1;
}
}
#endif /* SC_CUT_SPACES2TABS */
/* remember the position of the last non-space char */
if (!IS_BLANK_CHAR(cut_buffer[i]))
blank = i + 1; /* the first space after the last non-space */
++i;
/* trim trailing blank when crossing lines */
if ((p % scp->xsize) == (scp->xsize - 1)) {
cut_buffer[blank++] = '\r';
i = blank;
leadspaces = 0;
}
}
cut_buffer[i] = '\0';
/* remove the current marking */
s = spltty();
if (scp->mouse_cut_start <= scp->mouse_cut_end) {
mark_for_update(scp, scp->mouse_cut_start);
mark_for_update(scp, scp->mouse_cut_end);
} else if (scp->mouse_cut_end >= 0) {
mark_for_update(scp, scp->mouse_cut_end);
mark_for_update(scp, scp->mouse_cut_start);
}
/* mark the new region */
scp->mouse_cut_start = from;
scp->mouse_cut_end = to;
mark_for_update(scp, from);
mark_for_update(scp, to);
splx(s);
}
/* copy marked region to the cut buffer */
static void
mouse_cut(scr_stat *scp)
{
int start;
int end;
int from;
int to;
int c;
int p;
int s;
int i;
start = scp->mouse_cut_start;
end = scp->mouse_cut_end;
if (scp->mouse_pos >= start) {
from = start;
to = end = scp->mouse_pos;
} else {
from = end = scp->mouse_pos;
to = start - 1;
}
p = to;
for (i = p % scp->xsize; i < scp->xsize; ++i) {
c = sc_vtb_getc(&scp->vtb, p);
if (!IS_SPACE_CHAR(c))
break;
++p;
}
/* if there is nothing but blank chars, trim them, but mark towards eol */
if (i == scp->xsize) {
if (end >= start)
to = end = p - 1;
else
to = start = p;
}
mouse_do_cut(scp, from, to);
s = spltty();
scp->mouse_cut_start = start;
scp->mouse_cut_end = end;
splx(s);
}
/* a mouse button is pressed, start cut operation */
static void
mouse_cut_start(scr_stat *scp)
{
int i;
int s;
if (scp->status & MOUSE_VISIBLE) {
sc_remove_all_cutmarkings(scp->sc);
if ((scp->mouse_pos == scp->mouse_cut_start) &&
(scp->mouse_pos == scp->mouse_cut_end)) {
cut_buffer[0] = '\0';
return;
} else if (skip_spc_right(scp, scp->mouse_pos) >= scp->xsize) {
/* if the pointer is on trailing blank chars, mark towards eol */
i = skip_spc_left(scp, scp->mouse_pos) + 1;
s = spltty();
scp->mouse_cut_start =
(scp->mouse_pos / scp->xsize) * scp->xsize + i;
scp->mouse_cut_end =
(scp->mouse_pos / scp->xsize + 1) * scp->xsize - 1;
splx(s);
cut_buffer[0] = '\r';
} else {
s = spltty();
scp->mouse_cut_start = scp->mouse_pos;
scp->mouse_cut_end = scp->mouse_cut_start;
splx(s);
cut_buffer[0] = sc_vtb_getc(&scp->vtb, scp->mouse_cut_start);
}
cut_buffer[1] = '\0';
scp->status |= MOUSE_CUTTING;
mark_all(scp); /* this is probably overkill XXX */
}
}
/* end of cut operation */
static void
mouse_cut_end(scr_stat *scp)
{
if (scp->status & MOUSE_VISIBLE)
scp->status &= ~MOUSE_CUTTING;
}
/* copy a word under the mouse pointer */
static void
mouse_cut_word(scr_stat *scp)
{
int start;
int end;
int sol;
int eol;
int c;
int j;
int len;
/*
* Because we don't have locale information in the kernel,
* we only distinguish space char and non-space chars. Punctuation
* chars, symbols and other regular chars are all treated alike
* unless user specified SC_CUT_SEPCHARS in his kernel config file.
*/
if (scp->status & MOUSE_VISIBLE) {
sol = (scp->mouse_pos / scp->xsize) * scp->xsize;
eol = sol + scp->xsize;
c = sc_vtb_getc(&scp->vtb, scp->mouse_pos);
if (IS_SEP_CHAR(c)) {
/* blank space */
for (j = scp->mouse_pos; j >= sol; --j) {
c = sc_vtb_getc(&scp->vtb, j);
if (!IS_SEP_CHAR(c))
break;
}
start = ++j;
for (j = scp->mouse_pos; j < eol; ++j) {
c = sc_vtb_getc(&scp->vtb, j);
if (!IS_SEP_CHAR(c))
break;
}
end = j - 1;
} else {
/* non-space word */
for (j = scp->mouse_pos; j >= sol; --j) {
c = sc_vtb_getc(&scp->vtb, j);
if (IS_SEP_CHAR(c))
break;
}
start = ++j;
for (j = scp->mouse_pos; j < eol; ++j) {
c = sc_vtb_getc(&scp->vtb, j);
if (IS_SEP_CHAR(c))
break;
}
end = j - 1;
}
/* copy the found word */
mouse_do_cut(scp, start, end);
len = strlen(cut_buffer);
if (cut_buffer[len - 1] == '\r')
cut_buffer[len - 1] = '\0';
}
}
/* copy a line under the mouse pointer */
static void
mouse_cut_line(scr_stat *scp)
{
int len;
int from;
if (scp->status & MOUSE_VISIBLE) {
from = (scp->mouse_pos / scp->xsize) * scp->xsize;
mouse_do_cut(scp, from, from + scp->xsize - 1);
len = strlen(cut_buffer);
if (cut_buffer[len - 1] == '\r')
cut_buffer[len - 1] = '\0';
scp->status |= MOUSE_CUTTING;
}
}
/* extend the marked region to the mouse pointer position */
static void
mouse_cut_extend(scr_stat *scp)
{
int start;
int end;
int s;
if ((scp->status & MOUSE_VISIBLE) && !(scp->status & MOUSE_CUTTING)
&& (scp->mouse_cut_end >= 0)) {
if (scp->mouse_cut_start <= scp->mouse_cut_end) {
start = scp->mouse_cut_start;
end = scp->mouse_cut_end;
} else {
start = scp->mouse_cut_end;
end = scp->mouse_cut_start - 1;
}
s = spltty();
if (scp->mouse_pos > end) {
scp->mouse_cut_start = start;
scp->mouse_cut_end = end;
} else if (scp->mouse_pos < start) {
scp->mouse_cut_start = end + 1;
scp->mouse_cut_end = start;
} else {
if (scp->mouse_pos - start > end + 1 - scp->mouse_pos) {
scp->mouse_cut_start = start;
scp->mouse_cut_end = end;
} else {
scp->mouse_cut_start = end + 1;
scp->mouse_cut_end = start;
}
}
splx(s);
mouse_cut(scp);
scp->status |= MOUSE_CUTTING;
}
}
/* paste cut buffer contents into the current vty */
void
sc_mouse_paste(scr_stat *scp)
{
sc_paste(scp, cut_buffer, strlen(cut_buffer));
}
#endif /* SC_NO_CUTPASTE */
int
sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, struct thread *td)
{
mouse_info_t *mouse;
mouse_info_t buf;
scr_stat *cur_scp;
scr_stat *scp;
struct proc *p1;
int s;
int f;
scp = SC_STAT(tp);
switch (cmd) {
case CONS_MOUSECTL: /* control mouse arrow */
case OLD_CONS_MOUSECTL:
mouse = (mouse_info_t*)data;
random_harvest(mouse, sizeof(mouse_info_t), 2, 0, RANDOM_MOUSE);
if (cmd == OLD_CONS_MOUSECTL) {
static u_char swapb[] = { 0, 4, 2, 6, 1, 5, 3, 7 };
old_mouse_info_t *old_mouse = (old_mouse_info_t *)data;
mouse = &buf;
mouse->operation = old_mouse->operation;
switch (mouse->operation) {
case MOUSE_MODE:
mouse->u.mode = old_mouse->u.mode;
break;
case MOUSE_SHOW:
case MOUSE_HIDE:
break;
case MOUSE_MOVEABS:
case MOUSE_MOVEREL:
case MOUSE_ACTION:
mouse->u.data.x = old_mouse->u.data.x;
mouse->u.data.y = old_mouse->u.data.y;
mouse->u.data.z = 0;
mouse->u.data.buttons = swapb[old_mouse->u.data.buttons & 0x7];
break;
case MOUSE_GETINFO:
old_mouse->u.data.x = scp->mouse_xpos;
old_mouse->u.data.y = scp->mouse_ypos;
old_mouse->u.data.buttons = swapb[scp->mouse_buttons & 0x7];
return 0;
default:
return EINVAL;
}
}
cur_scp = scp->sc->cur_scp;
switch (mouse->operation) {
case MOUSE_MODE:
if (ISSIGVALID(mouse->u.mode.signal)) {
scp->mouse_signal = mouse->u.mode.signal;
scp->mouse_proc = td->td_proc;
scp->mouse_pid = td->td_proc->p_pid;
}
else {
scp->mouse_signal = 0;
scp->mouse_proc = NULL;
scp->mouse_pid = 0;
}
return 0;
case MOUSE_SHOW:
s = spltty();
if (!(scp->sc->flags & SC_MOUSE_ENABLED)) {
scp->sc->flags |= SC_MOUSE_ENABLED;
cur_scp->status &= ~MOUSE_HIDDEN;
if (!ISGRAPHSC(cur_scp))
mark_all(cur_scp);
}
splx(s);
return 0;
/* NOTREACHED */
case MOUSE_HIDE:
s = spltty();
if (scp->sc->flags & SC_MOUSE_ENABLED) {
scp->sc->flags &= ~SC_MOUSE_ENABLED;
sc_remove_all_mouse(scp->sc);
}
splx(s);
return 0;
/* NOTREACHED */
case MOUSE_MOVEABS:
s = spltty();
scp->mouse_xpos = mouse->u.data.x;
scp->mouse_ypos = mouse->u.data.y;
set_mouse_pos(scp);
splx(s);
break;
case MOUSE_MOVEREL:
s = spltty();
scp->mouse_xpos += mouse->u.data.x;
scp->mouse_ypos += mouse->u.data.y;
set_mouse_pos(scp);
splx(s);
break;
case MOUSE_GETINFO:
mouse->u.data.x = scp->mouse_xpos;
mouse->u.data.y = scp->mouse_ypos;
mouse->u.data.z = 0;
mouse->u.data.buttons = scp->mouse_buttons;
return 0;
case MOUSE_ACTION:
case MOUSE_MOTION_EVENT:
/* send out mouse event on /dev/sysmouse */
#if 0
/* this should maybe only be settable from /dev/consolectl SOS */
if (SC_VTY(tp->t_dev) != SC_CONSOLECTL)
return ENOTTY;
#endif
s = spltty();
if (mouse->u.data.x != 0 || mouse->u.data.y != 0) {
cur_scp->mouse_xpos += mouse->u.data.x;
cur_scp->mouse_ypos += mouse->u.data.y;
set_mouse_pos(cur_scp);
}
f = 0;
if (mouse->operation == MOUSE_ACTION) {
f = cur_scp->mouse_buttons ^ mouse->u.data.buttons;
cur_scp->mouse_buttons = mouse->u.data.buttons;
}
splx(s);
if (sysmouse_event(mouse) == 0)
return 0;
/*
* If any buttons are down or the mouse has moved a lot,
* stop the screen saver.
*/
if (((mouse->operation == MOUSE_ACTION) && mouse->u.data.buttons)
|| (mouse->u.data.x*mouse->u.data.x
+ mouse->u.data.y*mouse->u.data.y
>= SC_WAKEUP_DELTA*SC_WAKEUP_DELTA)) {
sc_touch_scrn_saver();
}
cur_scp->status &= ~MOUSE_HIDDEN;
if (cur_scp->mouse_level > 0) {
sc_mouse_input(scp, mouse);
break;
}
if (cur_scp->mouse_signal && cur_scp->mouse_proc) {
/* has controlling process died? */
if (cur_scp->mouse_proc != (p1 = pfind(cur_scp->mouse_pid))) {
cur_scp->mouse_signal = 0;
cur_scp->mouse_proc = NULL;
cur_scp->mouse_pid = 0;
if (p1)
PROC_UNLOCK(p1);
} else {
kern_psignal(cur_scp->mouse_proc, cur_scp->mouse_signal);
PROC_UNLOCK(cur_scp->mouse_proc);
break;
}
}
#ifndef SC_NO_CUTPASTE
if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL))
break;
if ((mouse->operation == MOUSE_ACTION) && f) {
/* process button presses */
if (cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN)
mouse_cut_start(cur_scp);
else
mouse_cut_end(cur_scp);
if (cur_scp->mouse_buttons & MOUSE_BUTTON2DOWN ||
cur_scp->mouse_buttons & MOUSE_BUTTON3DOWN)
sc_mouse_paste(cur_scp);
}
#endif /* SC_NO_CUTPASTE */
break;
case MOUSE_BUTTON_EVENT:
if ((mouse->u.event.id & MOUSE_BUTTONS) == 0)
return EINVAL;
if (mouse->u.event.value < 0)
return EINVAL;
#if 0
/* this should maybe only be settable from /dev/consolectl SOS */
if (SC_VTY(tp->t_dev) != SC_CONSOLECTL)
return ENOTTY;
#endif
if (mouse->u.event.value > 0)
cur_scp->mouse_buttons |= mouse->u.event.id;
else
cur_scp->mouse_buttons &= ~mouse->u.event.id;
if (sysmouse_event(mouse) == 0)
return 0;
/* if a button is held down, stop the screen saver */
if (mouse->u.event.value > 0)
sc_touch_scrn_saver();
cur_scp->status &= ~MOUSE_HIDDEN;
if (cur_scp->mouse_level > 0) {
sc_mouse_input(scp, mouse);
break;
}
if (cur_scp->mouse_signal && cur_scp->mouse_proc) {
if (cur_scp->mouse_proc != (p1 = pfind(cur_scp->mouse_pid))){
cur_scp->mouse_signal = 0;
cur_scp->mouse_proc = NULL;
cur_scp->mouse_pid = 0;
if (p1)
PROC_UNLOCK(p1);
} else {
kern_psignal(cur_scp->mouse_proc, cur_scp->mouse_signal);
PROC_UNLOCK(cur_scp->mouse_proc);
break;
}
}
#ifndef SC_NO_CUTPASTE
if (ISGRAPHSC(cur_scp) || (cut_buffer == NULL))
break;
switch (mouse->u.event.id) {
case MOUSE_BUTTON1DOWN:
switch (mouse->u.event.value % 4) {
case 0: /* up */
mouse_cut_end(cur_scp);
break;
case 1: /* single click: start cut operation */
mouse_cut_start(cur_scp);
break;
case 2: /* double click: cut a word */
mouse_cut_word(cur_scp);
mouse_cut_end(cur_scp);
break;
case 3: /* triple click: cut a line */
mouse_cut_line(cur_scp);
mouse_cut_end(cur_scp);
break;
}
break;
case SC_MOUSE_PASTEBUTTON:
switch (mouse->u.event.value) {
case 0: /* up */
break;
default:
sc_mouse_paste(cur_scp);
break;
}
break;
case SC_MOUSE_EXTENDBUTTON:
switch (mouse->u.event.value) {
case 0: /* up */
if (!(cur_scp->mouse_buttons & MOUSE_BUTTON1DOWN))
mouse_cut_end(cur_scp);
break;
default:
mouse_cut_extend(cur_scp);
break;
}
break;
}
#endif /* SC_NO_CUTPASTE */
break;
case MOUSE_MOUSECHAR:
if (mouse->u.mouse_char < 0) {
mouse->u.mouse_char = scp->sc->mouse_char;
} else {
if (mouse->u.mouse_char > UCHAR_MAX - 3)
return EINVAL;
s = spltty();
sc_remove_all_mouse(scp->sc);
#ifndef SC_NO_FONT_LOADING
if (ISTEXTSC(cur_scp) && (cur_scp->font != NULL))
sc_load_font(cur_scp, 0, cur_scp->font_size,
cur_scp->font_width,
cur_scp->font + cur_scp->font_size
* cur_scp->sc->mouse_char,
cur_scp->sc->mouse_char, 4);
#endif
scp->sc->mouse_char = mouse->u.mouse_char;
splx(s);
}
break;
default:
return EINVAL;
}
return 0;
}
return ENOIOCTL;
}
#endif /* SC_NO_SYSMOUSE */