aboutsummaryrefslogtreecommitdiff
path: root/ncurses/base/lib_mouse.c
diff options
context:
space:
mode:
Diffstat (limited to 'ncurses/base/lib_mouse.c')
-rw-r--r--ncurses/base/lib_mouse.c548
1 files changed, 308 insertions, 240 deletions
diff --git a/ncurses/base/lib_mouse.c b/ncurses/base/lib_mouse.c
index aace7deb4c7f..95f29aa69111 100644
--- a/ncurses/base/lib_mouse.c
+++ b/ncurses/base/lib_mouse.c
@@ -1,5 +1,5 @@
/****************************************************************************
- * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
@@ -79,7 +79,7 @@
#include <curses.priv.h>
-MODULE_ID("$Id: lib_mouse.c,v 1.88 2007/09/29 21:50:04 tom Exp $")
+MODULE_ID("$Id: lib_mouse.c,v 1.102 2008/10/18 21:48:55 tom Exp $")
#include <term.h>
#include <tic.h>
@@ -150,38 +150,47 @@ make an error
#define LIBGPM_SONAME "libgpm.so"
#endif
-#define GET_DLSYM(name) (my_##name = (TYPE_##name) dlsym(obj, #name))
+#define GET_DLSYM(name) (my_##name = (TYPE_##name) dlsym(SP->_dlopen_gpm, #name))
#endif /* USE_GPM_SUPPORT */
-static bool _nc_mouse_parse(int);
+static bool _nc_mouse_parse(SCREEN *, int);
static void _nc_mouse_resume(SCREEN *);
static void _nc_mouse_wrap(SCREEN *);
/* maintain a circular list of mouse events */
+#define FirstEV(sp) ((sp)->_mouse_events)
+#define LastEV(sp) ((sp)->_mouse_events + EV_MAX - 1)
+
#undef NEXT
-#define NEXT(ep) ((ep == SP->_mouse_events + EV_MAX - 1) \
- ? SP->_mouse_events \
+#define NEXT(ep) ((ep >= LastEV(sp)) \
+ ? FirstEV(sp) \
: ep + 1)
#undef PREV
-#define PREV(ep) ((ep == SP->_mouse_events) \
- ? SP->_mouse_events + EV_MAX - 1 \
+#define PREV(ep) ((ep <= FirstEV(sp)) \
+ ? LastEV(sp) \
: ep - 1)
+#define IndexEV(sp, ep) (ep - FirstEV(sp))
+
+#define RunParams(sp, eventp, runp) \
+ (long) IndexEV(sp, runp), \
+ (long) (IndexEV(sp, eventp) + (EV_MAX - 1)) % EV_MAX
+
#ifdef TRACE
static void
-_trace_slot(const char *tag)
+_trace_slot(SCREEN *sp, const char *tag)
{
MEVENT *ep;
_tracef(tag);
- for (ep = SP->_mouse_events; ep < SP->_mouse_events + EV_MAX; ep++)
+ for (ep = FirstEV(sp); ep <= LastEV(sp); ep++)
_tracef("mouse event queue slot %ld = %s",
- (long) (ep - SP->_mouse_events),
- _tracemouse(ep));
+ (long) IndexEV(sp, ep),
+ _nc_tracemouse(sp, ep));
}
#endif
@@ -193,7 +202,7 @@ _trace_slot(const char *tag)
# define M_FD(sp) sp->_mouse_fd
static void
-write_event(int down, int button, int x, int y)
+write_event(SCREEN *sp, int down, int button, int x, int y)
{
char buf[6];
unsigned long ignore;
@@ -202,12 +211,13 @@ write_event(int down, int button, int x, int y)
buf[3] = ' ' + (button - 1) + (down ? 0 : 0x40);
buf[4] = ' ' + x - LEFT_COL + 1;
buf[5] = ' ' + y - TOP_ROW + 1;
- DosWrite(SP->_emxmouse_wfd, buf, 6, &ignore);
+ DosWrite(sp->_emxmouse_wfd, buf, 6, &ignore);
}
static void
-mouse_server(unsigned long ignored GCC_UNUSED)
+mouse_server(unsigned long param)
{
+ SCREEN *sp = (SCREEN *) param;
unsigned short fWait = MOU_WAIT;
/* NOPTRRECT mourt = { 0,0,24,79 }; */
MOUEVENTINFO mouev;
@@ -234,7 +244,7 @@ mouse_server(unsigned long ignored GCC_UNUSED)
sprintf(err, "Error reading mouse queue, rc=%lu.\r\n", rc);
break;
}
- if (!SP->_emxmouse_activated)
+ if (!sp->_emxmouse_activated)
goto finish;
/*
@@ -245,14 +255,14 @@ mouse_server(unsigned long ignored GCC_UNUSED)
* 3 = middle.
*/
if ((mouev.fs ^ oldstate) & MOUSE_BN1_DOWN)
- write_event(mouev.fs & MOUSE_BN1_DOWN,
- SP->_emxmouse_buttons[1], mouev.col, mouev.row);
+ write_event(sp, mouev.fs & MOUSE_BN1_DOWN,
+ sp->_emxmouse_buttons[1], mouev.col, mouev.row);
if ((mouev.fs ^ oldstate) & MOUSE_BN2_DOWN)
- write_event(mouev.fs & MOUSE_BN2_DOWN,
- SP->_emxmouse_buttons[3], mouev.col, mouev.row);
+ write_event(sp, mouev.fs & MOUSE_BN2_DOWN,
+ sp->_emxmouse_buttons[3], mouev.col, mouev.row);
if ((mouev.fs ^ oldstate) & MOUSE_BN3_DOWN)
- write_event(mouev.fs & MOUSE_BN3_DOWN,
- SP->_emxmouse_buttons[2], mouev.col, mouev.row);
+ write_event(sp, mouev.fs & MOUSE_BN3_DOWN,
+ sp->_emxmouse_buttons[2], mouev.col, mouev.row);
finish:
oldstate = mouev.fs;
@@ -271,134 +281,199 @@ mouse_server(unsigned long ignored GCC_UNUSED)
#if USE_SYSMOUSE
static void
-handle_sysmouse(int sig GCC_UNUSED)
+sysmouse_server(SCREEN *sp)
{
struct mouse_info the_mouse;
MEVENT *work;
the_mouse.operation = MOUSE_GETINFO;
- if (SP != 0
- && SP->_mouse_fd >= 0
- && SP->_sysmouse_tail < FIFO_SIZE
- && ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse) != -1) {
-
- if (SP->_sysmouse_head > SP->_sysmouse_tail) {
- SP->_sysmouse_tail = 0;
- SP->_sysmouse_head = 0;
+ if (sp != 0
+ && sp->_mouse_fd >= 0
+ && sp->_sysmouse_tail < FIFO_SIZE
+ && ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse) != -1) {
+
+ if (sp->_sysmouse_head > sp->_sysmouse_tail) {
+ sp->_sysmouse_tail = 0;
+ sp->_sysmouse_head = 0;
}
- work = &(SP->_sysmouse_fifo[SP->_sysmouse_tail]);
+ work = &(sp->_sysmouse_fifo[sp->_sysmouse_tail]);
memset(work, 0, sizeof(*work));
work->id = NORMAL_EVENT; /* there's only one mouse... */
- SP->_sysmouse_old_buttons = SP->_sysmouse_new_buttons;
- SP->_sysmouse_new_buttons = the_mouse.u.data.buttons & 0x7;
+ sp->_sysmouse_old_buttons = sp->_sysmouse_new_buttons;
+ sp->_sysmouse_new_buttons = the_mouse.u.data.buttons & 0x7;
- if (SP->_sysmouse_new_buttons) {
- if (SP->_sysmouse_new_buttons & 1)
+ if (sp->_sysmouse_new_buttons) {
+ if (sp->_sysmouse_new_buttons & 1)
work->bstate |= BUTTON1_PRESSED;
- if (SP->_sysmouse_new_buttons & 2)
+ if (sp->_sysmouse_new_buttons & 2)
work->bstate |= BUTTON2_PRESSED;
- if (SP->_sysmouse_new_buttons & 4)
+ if (sp->_sysmouse_new_buttons & 4)
work->bstate |= BUTTON3_PRESSED;
} else {
- if (SP->_sysmouse_old_buttons & 1)
+ if (sp->_sysmouse_old_buttons & 1)
work->bstate |= BUTTON1_RELEASED;
- if (SP->_sysmouse_old_buttons & 2)
+ if (sp->_sysmouse_old_buttons & 2)
work->bstate |= BUTTON2_RELEASED;
- if (SP->_sysmouse_old_buttons & 4)
+ if (sp->_sysmouse_old_buttons & 4)
work->bstate |= BUTTON3_RELEASED;
}
/* for cosmetic bug in syscons.c on FreeBSD 3.[34] */
the_mouse.operation = MOUSE_HIDE;
- ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse);
+ ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse);
the_mouse.operation = MOUSE_SHOW;
- ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse);
+ ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse);
/*
* We're only interested if the button is pressed or released.
* FIXME: implement continuous event-tracking.
*/
- if (SP->_sysmouse_new_buttons != SP->_sysmouse_old_buttons) {
- SP->_sysmouse_tail += 1;
+ if (sp->_sysmouse_new_buttons != sp->_sysmouse_old_buttons) {
+ sp->_sysmouse_tail += 1;
}
- work->x = the_mouse.u.data.x / SP->_sysmouse_char_width;
- work->y = the_mouse.u.data.y / SP->_sysmouse_char_height;
+ work->x = the_mouse.u.data.x / sp->_sysmouse_char_width;
+ work->y = the_mouse.u.data.y / sp->_sysmouse_char_height;
}
}
+
+static void
+handle_sysmouse(int sig GCC_UNUSED)
+{
+ sysmouse_server(SP);
+}
#endif /* USE_SYSMOUSE */
static void
-init_xterm_mouse(void)
+init_xterm_mouse(SCREEN *sp)
{
- SP->_mouse_type = M_XTERM;
- SP->_mouse_xtermcap = tigetstr("XM");
- if (!VALID_STRING(SP->_mouse_xtermcap))
- SP->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
+ sp->_mouse_type = M_XTERM;
+ sp->_mouse_xtermcap = tigetstr("XM");
+ if (!VALID_STRING(sp->_mouse_xtermcap))
+ sp->_mouse_xtermcap = "\033[?1000%?%p1%{1}%=%th%el%;";
}
static void
-enable_xterm_mouse(int enable)
+enable_xterm_mouse(SCREEN *sp, int enable)
{
#if USE_EMX_MOUSE
- SP->_emxmouse_activated = enable;
+ sp->_emxmouse_activated = enable;
#else
- putp(TPARM_1(SP->_mouse_xtermcap, enable));
+ putp(TPARM_1(sp->_mouse_xtermcap, enable));
#endif
- SP->_mouse_active = enable;
+ sp->_mouse_active = enable;
}
#if USE_GPM_SUPPORT
-static int
+static bool
allow_gpm_mouse(void)
{
+ bool result = FALSE;
+
/* GPM does printf's without checking if stdout is a terminal */
if (isatty(fileno(stdout))) {
+ char *list = getenv("NCURSES_GPM_TERMS");
char *env = getenv("TERM");
- /* GPM checks the beginning of the $TERM variable to decide if
- * it should pass xterm events through. There is no real advantage
- * in allowing GPM to do this.
- */
- if (env == 0 || strncmp(env, "xterm", 5))
- return TRUE;
+ if (list != 0) {
+ if (env != 0) {
+ result = _nc_name_match(list, env, "|:");
+ }
+ } else {
+ /* GPM checks the beginning of the $TERM variable to decide if it
+ * should pass xterm events through. There is no real advantage in
+ * allowing GPM to do this. Recent versions relax that check, and
+ * pretend that GPM can work with any terminal having the kmous
+ * capability. Perhaps that works for someone. If so, they can
+ * set the environment variable (above).
+ */
+ if (env != 0 && strstr(env, "linux") != 0) {
+ result = TRUE;
+ }
+ }
+ }
+ return result;
+}
+
+#ifdef HAVE_LIBDL
+static void
+unload_gpm_library(SCREEN *sp)
+{
+ if (SP->_dlopen_gpm != 0) {
+ T(("unload GPM library"));
+ sp->_mouse_gpm_loaded = FALSE;
+ sp->_mouse_fd = -1;
+ dlclose(sp->_dlopen_gpm);
+ sp->_dlopen_gpm = 0;
}
- return FALSE;
}
+static void
+load_gpm_library(SCREEN *sp)
+{
+ sp->_mouse_gpm_found = FALSE;
+ if ((sp->_dlopen_gpm = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) {
+ if (GET_DLSYM(gpm_fd) == 0 ||
+ GET_DLSYM(Gpm_Open) == 0 ||
+ GET_DLSYM(Gpm_Close) == 0 ||
+ GET_DLSYM(Gpm_GetEvent) == 0) {
+ T(("GPM initialization failed: %s", dlerror()));
+ unload_gpm_library(sp);
+ } else {
+ sp->_mouse_gpm_found = TRUE;
+ sp->_mouse_gpm_loaded = TRUE;
+ }
+ }
+}
+#endif
+
static bool
-enable_gpm_mouse(int enable)
+enable_gpm_mouse(SCREEN *sp, bool enable)
{
bool result;
T((T_CALLED("enable_gpm_mouse(%d)"), enable));
- if (enable && !SP->_mouse_active) {
- /* GPM: initialize connection to gpm server */
- SP->_mouse_gpm_connect.eventMask = GPM_DOWN | GPM_UP;
- SP->_mouse_gpm_connect.defaultMask =
- ~(SP->_mouse_gpm_connect.eventMask | GPM_HARD);
- SP->_mouse_gpm_connect.minMod = 0;
- SP->_mouse_gpm_connect.maxMod =
- (unsigned short) (~((1 << KG_SHIFT) |
- (1 << KG_SHIFTL) |
- (1 << KG_SHIFTR)));
- /*
- * Note: GPM hardcodes \E[?1001s and \E[?1000h during its open.
- * The former is recognized by wscons (SunOS), and the latter by
- * xterm. Those will not show up in ncurses' traces.
- */
- result = (my_Gpm_Open(&SP->_mouse_gpm_connect, 0) >= 0);
- SP->_mouse_active = result;
+ if (enable && !sp->_mouse_active) {
+#ifdef HAVE_LIBDL
+ if (sp->_mouse_gpm_found && !sp->_mouse_gpm_loaded) {
+ load_gpm_library(sp);
+ }
+#endif
+ if (sp->_mouse_gpm_loaded) {
+ /* GPM: initialize connection to gpm server */
+ sp->_mouse_gpm_connect.eventMask = GPM_DOWN | GPM_UP;
+ sp->_mouse_gpm_connect.defaultMask =
+ (unsigned short) (~(sp->_mouse_gpm_connect.eventMask | GPM_HARD));
+ sp->_mouse_gpm_connect.minMod = 0;
+ sp->_mouse_gpm_connect.maxMod =
+ (unsigned short) (~((1 << KG_SHIFT) |
+ (1 << KG_SHIFTL) |
+ (1 << KG_SHIFTR)));
+ /*
+ * Note: GPM hardcodes \E[?1001s and \E[?1000h during its open.
+ * The former is recognized by wscons (SunOS), and the latter by
+ * xterm. Those will not show up in ncurses' traces.
+ */
+ result = (my_Gpm_Open(&sp->_mouse_gpm_connect, 0) >= 0);
+ } else {
+ result = FALSE;
+ }
+ sp->_mouse_active = result;
T(("GPM open %s", result ? "succeeded" : "failed"));
} else {
- if (!enable && SP->_mouse_active) {
+ if (!enable && sp->_mouse_active) {
/* GPM: close connection to gpm server */
my_Gpm_Close();
- SP->_mouse_active = FALSE;
+ sp->_mouse_active = FALSE;
T(("GPM closed"));
}
- result = FALSE;
+ result = enable;
+ }
+#ifdef HAVE_LIBDL
+ if (!result) {
+ unload_gpm_library(sp);
}
+#endif
returnBool(result);
}
#endif /* USE_GPM_SUPPORT */
@@ -406,32 +481,20 @@ enable_gpm_mouse(int enable)
#define xterm_kmous "\033[M"
static void
-initialize_mousetype(void)
+initialize_mousetype(SCREEN *sp)
{
T((T_CALLED("initialize_mousetype()")));
/* Try gpm first, because gpm may be configured to run in xterm */
#if USE_GPM_SUPPORT
if (allow_gpm_mouse()) {
- if (!SP->_mouse_gpm_loaded) {
+ if (!sp->_mouse_gpm_loaded) {
#ifdef HAVE_LIBDL
- void *obj;
-
- if ((obj = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) {
- if (GET_DLSYM(gpm_fd) == 0 ||
- GET_DLSYM(Gpm_Open) == 0 ||
- GET_DLSYM(Gpm_Close) == 0 ||
- GET_DLSYM(Gpm_GetEvent) == 0) {
- T(("GPM initialization failed: %s", dlerror()));
- dlclose(obj);
- } else {
- SP->_mouse_gpm_found = TRUE;
- }
- }
+ load_gpm_library(sp);
#else /* !HAVE_LIBDL */
- SP->_mouse_gpm_found = TRUE;
+ sp->_mouse_gpm_found = TRUE;
+ sp->_mouse_gpm_loaded = TRUE;
#endif
- SP->_mouse_gpm_loaded = TRUE;
}
/*
@@ -439,10 +502,10 @@ initialize_mousetype(void)
* maintain our notion of whether the mouse connection is active
* without testing the file-descriptor.
*/
- if (SP->_mouse_gpm_found && enable_gpm_mouse(TRUE)) {
- SP->_mouse_type = M_GPM;
- SP->_mouse_fd = *(my_gpm_fd);
- T(("GPM mouse_fd %d", SP->_mouse_fd));
+ if (sp->_mouse_gpm_found && enable_gpm_mouse(sp, TRUE)) {
+ sp->_mouse_type = M_GPM;
+ sp->_mouse_fd = *(my_gpm_fd);
+ T(("GPM mouse_fd %d", sp->_mouse_fd));
returnVoid;
}
}
@@ -450,7 +513,7 @@ initialize_mousetype(void)
/* OS/2 VIO */
#if USE_EMX_MOUSE
- if (!SP->_emxmouse_thread
+ if (!sp->_emxmouse_thread
&& strstr(cur_term->type.term_names, "xterm") == 0
&& key_mouse) {
int handles[2];
@@ -461,32 +524,32 @@ initialize_mousetype(void)
} else {
int rc;
- if (!SP->_emxmouse_buttons[0]) {
+ if (!sp->_emxmouse_buttons[0]) {
char *s = getenv("MOUSE_BUTTONS_123");
- SP->_emxmouse_buttons[0] = 1;
+ sp->_emxmouse_buttons[0] = 1;
if (s && strlen(s) >= 3) {
- SP->_emxmouse_buttons[1] = s[0] - '0';
- SP->_emxmouse_buttons[2] = s[1] - '0';
- SP->_emxmouse_buttons[3] = s[2] - '0';
+ sp->_emxmouse_buttons[1] = s[0] - '0';
+ sp->_emxmouse_buttons[2] = s[1] - '0';
+ sp->_emxmouse_buttons[3] = s[2] - '0';
} else {
- SP->_emxmouse_buttons[1] = 1;
- SP->_emxmouse_buttons[2] = 3;
- SP->_emxmouse_buttons[3] = 2;
+ sp->_emxmouse_buttons[1] = 1;
+ sp->_emxmouse_buttons[2] = 3;
+ sp->_emxmouse_buttons[3] = 2;
}
}
- SP->_emxmouse_wfd = handles[1];
- M_FD(SP) = handles[0];
+ sp->_emxmouse_wfd = handles[1];
+ M_FD(sp) = handles[0];
/* Needed? */
setmode(handles[0], O_BINARY);
setmode(handles[1], O_BINARY);
/* Do not use CRT functions, we may single-threaded. */
- rc = DosCreateThread((unsigned long *) &SP->_emxmouse_thread,
- mouse_server, 0, 0, 8192);
+ rc = DosCreateThread((unsigned long *) &sp->_emxmouse_thread,
+ mouse_server, (long) sp, 0, 8192);
if (rc) {
printf("mouse thread error %d=%#x", rc, rc);
} else {
- SP->_mouse_type = M_XTERM;
+ sp->_mouse_type = M_XTERM;
}
returnVoid;
}
@@ -498,14 +561,14 @@ initialize_mousetype(void)
struct mouse_info the_mouse;
char *the_device = 0;
- if (isatty(SP->_ifd))
- the_device = ttyname(SP->_ifd);
+ if (isatty(sp->_ifd))
+ the_device = ttyname(sp->_ifd);
if (the_device == 0)
the_device = "/dev/tty";
- SP->_mouse_fd = open(the_device, O_RDWR);
+ sp->_mouse_fd = open(the_device, O_RDWR);
- if (SP->_mouse_fd >= 0) {
+ if (sp->_mouse_fd >= 0) {
/*
* sysmouse does not have a usable user interface for obtaining
* mouse events. The logical way to proceed (reading data on a
@@ -522,10 +585,10 @@ initialize_mousetype(void)
the_mouse.operation = MOUSE_MODE;
the_mouse.u.mode.mode = 0;
the_mouse.u.mode.signal = SIGUSR2;
- if (ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse) != -1) {
+ if (ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse) != -1) {
signal(SIGUSR2, handle_sysmouse);
the_mouse.operation = MOUSE_SHOW;
- ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse);
+ ioctl(sp->_mouse_fd, CONS_MOUSECTL, &the_mouse);
#if defined(FBIO_MODEINFO) || defined(CONS_MODEINFO) /* FreeBSD > 2.x */
{
@@ -535,23 +598,23 @@ initialize_mousetype(void)
#endif /* FBIO_GETMODE */
video_info_t the_video;
- if (ioctl(SP->_mouse_fd,
+ if (ioctl(sp->_mouse_fd,
FBIO_GETMODE,
&the_video.vi_mode) != -1
- && ioctl(SP->_mouse_fd,
+ && ioctl(sp->_mouse_fd,
FBIO_MODEINFO,
&the_video) != -1) {
- SP->_sysmouse_char_width = the_video.vi_cwidth;
- SP->_sysmouse_char_height = the_video.vi_cheight;
+ sp->_sysmouse_char_width = the_video.vi_cwidth;
+ sp->_sysmouse_char_height = the_video.vi_cheight;
}
}
#endif /* defined(FBIO_MODEINFO) || defined(CONS_MODEINFO) */
- if (SP->_sysmouse_char_width <= 0)
- SP->_sysmouse_char_width = 8;
- if (SP->_sysmouse_char_height <= 0)
- SP->_sysmouse_char_height = 16;
- SP->_mouse_type = M_SYSMOUSE;
+ if (sp->_sysmouse_char_width <= 0)
+ sp->_sysmouse_char_width = 8;
+ if (sp->_sysmouse_char_height <= 0)
+ sp->_sysmouse_char_height = 16;
+ sp->_mouse_type = M_SYSMOUSE;
returnVoid;
}
}
@@ -562,37 +625,37 @@ initialize_mousetype(void)
if (key_mouse != 0) {
if (!strcmp(key_mouse, xterm_kmous)
|| strstr(cur_term->type.term_names, "xterm") != 0) {
- init_xterm_mouse();
+ init_xterm_mouse(sp);
}
} else if (strstr(cur_term->type.term_names, "xterm") != 0) {
- if (_nc_add_to_try(&(SP->_keytry), xterm_kmous, KEY_MOUSE) == OK)
- init_xterm_mouse();
+ if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK)
+ init_xterm_mouse(sp);
}
returnVoid;
}
static bool
-_nc_mouse_init(void)
+_nc_mouse_init(SCREEN *sp)
/* initialize the mouse */
{
bool result = FALSE;
int i;
- if (SP != 0) {
- if (!SP->_mouse_initialized) {
- SP->_mouse_initialized = TRUE;
+ if (sp != 0) {
+ if (!sp->_mouse_initialized) {
+ sp->_mouse_initialized = TRUE;
TR(MY_TRACE, ("_nc_mouse_init() called"));
- SP->_mouse_eventp = SP->_mouse_events;
+ sp->_mouse_eventp = FirstEV(sp);
for (i = 0; i < EV_MAX; i++)
- SP->_mouse_events[i].id = INVALID_EVENT;
+ sp->_mouse_events[i].id = INVALID_EVENT;
- initialize_mousetype();
+ initialize_mousetype(sp);
- T(("_nc_mouse_init() set mousetype to %d", SP->_mouse_type));
+ T(("_nc_mouse_init() set mousetype to %d", sp->_mouse_type));
}
- result = SP->_mouse_initialized;
+ result = sp->_mouse_initialized;
}
return result;
}
@@ -604,12 +667,12 @@ _nc_mouse_init(void)
static bool
_nc_mouse_event(SCREEN *sp GCC_UNUSED)
{
- MEVENT *eventp = SP->_mouse_eventp;
+ MEVENT *eventp = sp->_mouse_eventp;
bool result = FALSE;
(void) eventp;
- switch (SP->_mouse_type) {
+ switch (sp->_mouse_type) {
case M_XTERM:
/* xterm: never have to query, mouse events are in the keyboard stream */
#if USE_EMX_MOUSE
@@ -666,7 +729,7 @@ _nc_mouse_event(SCREEN *sp GCC_UNUSED)
eventp->z = 0;
/* bump the next-free pointer into the circular list */
- SP->_mouse_eventp = eventp = NEXT(eventp);
+ sp->_mouse_eventp = eventp = NEXT(eventp);
result = TRUE;
}
}
@@ -675,22 +738,22 @@ _nc_mouse_event(SCREEN *sp GCC_UNUSED)
#if USE_SYSMOUSE
case M_SYSMOUSE:
- if (SP->_sysmouse_head < SP->_sysmouse_tail) {
- *eventp = SP->_sysmouse_fifo[SP->_sysmouse_head];
+ if (sp->_sysmouse_head < sp->_sysmouse_tail) {
+ *eventp = sp->_sysmouse_fifo[sp->_sysmouse_head];
/*
* Point the fifo-head to the next possible location. If there
* are none, reset the indices. This may be interrupted by the
* signal handler, doing essentially the same reset.
*/
- SP->_sysmouse_head += 1;
- if (SP->_sysmouse_head == SP->_sysmouse_tail) {
- SP->_sysmouse_tail = 0;
- SP->_sysmouse_head = 0;
+ sp->_sysmouse_head += 1;
+ if (sp->_sysmouse_head == sp->_sysmouse_tail) {
+ sp->_sysmouse_tail = 0;
+ sp->_sysmouse_head = 0;
}
/* bump the next-free pointer into the circular list */
- SP->_mouse_eventp = eventp = NEXT(eventp);
+ sp->_mouse_eventp = eventp = NEXT(eventp);
result = TRUE;
}
break;
@@ -709,11 +772,11 @@ _nc_mouse_inline(SCREEN *sp)
{
int b;
bool result = FALSE;
- MEVENT *eventp = SP->_mouse_eventp;
+ MEVENT *eventp = sp->_mouse_eventp;
TR(MY_TRACE, ("_nc_mouse_inline() called"));
- if (SP->_mouse_type == M_XTERM) {
+ if (sp->_mouse_type == M_XTERM) {
unsigned char kbuf[4];
mmask_t prev;
size_t grabbed;
@@ -751,7 +814,7 @@ _nc_mouse_inline(SCREEN *sp)
* Wheel mice may return buttons 4 and 5 when the wheel is turned.
* We encode those as button presses.
*/
- for (grabbed = 0; grabbed < 3; grabbed += res) {
+ for (grabbed = 0; grabbed < 3; grabbed += (size_t) res) {
/* For VIO mouse we add extra bit 64 to disambiguate button-up. */
#if USE_EMX_MOUSE
@@ -781,9 +844,9 @@ _nc_mouse_inline(SCREEN *sp)
eventp->bstate = MASK_RELEASE(n)
#else
#define PRESS_POSITION(n) \
- eventp->bstate = (prev & MASK_PRESS(n) \
- ? REPORT_MOUSE_POSITION \
- : MASK_PRESS(n))
+ eventp->bstate = (mmask_t) (prev & MASK_PRESS(n) \
+ ? REPORT_MOUSE_POSITION \
+ : MASK_PRESS(n))
#endif
switch (kbuf[0] & 0x3) {
@@ -847,11 +910,11 @@ _nc_mouse_inline(SCREEN *sp)
eventp->y = (kbuf[2] - ' ') - 1;
TR(MY_TRACE,
("_nc_mouse_inline: primitive mouse-event %s has slot %ld",
- _tracemouse(eventp),
- (long) (eventp - SP->_mouse_events)));
+ _nc_tracemouse(sp, eventp),
+ (long) IndexEV(sp, eventp)));
/* bump the next-free pointer into the circular list */
- SP->_mouse_eventp = NEXT(eventp);
+ sp->_mouse_eventp = NEXT(eventp);
#if 0 /* this return would be needed for QNX's mods to lib_getch.c */
return (TRUE);
#endif
@@ -861,36 +924,36 @@ _nc_mouse_inline(SCREEN *sp)
}
static void
-mouse_activate(bool on)
+mouse_activate(SCREEN *sp, bool on)
{
- if (!on && !SP->_mouse_initialized)
+ if (!on && !sp->_mouse_initialized)
return;
- if (!_nc_mouse_init())
+ if (!_nc_mouse_init(sp))
return;
if (on) {
- switch (SP->_mouse_type) {
+ switch (sp->_mouse_type) {
case M_XTERM:
#if NCURSES_EXT_FUNCS
keyok(KEY_MOUSE, on);
#endif
TPUTS_TRACE("xterm mouse initialization");
- enable_xterm_mouse(1);
+ enable_xterm_mouse(sp, 1);
break;
#if USE_GPM_SUPPORT
case M_GPM:
- if (enable_gpm_mouse(1)) {
- SP->_mouse_fd = *(my_gpm_fd);
- T(("GPM mouse_fd %d", SP->_mouse_fd));
+ if (enable_gpm_mouse(sp, TRUE)) {
+ sp->_mouse_fd = *(my_gpm_fd);
+ T(("GPM mouse_fd %d", sp->_mouse_fd));
}
break;
#endif
#if USE_SYSMOUSE
case M_SYSMOUSE:
signal(SIGUSR2, handle_sysmouse);
- SP->_mouse_active = TRUE;
+ sp->_mouse_active = TRUE;
break;
#endif
case M_NONE:
@@ -899,27 +962,27 @@ mouse_activate(bool on)
/* Make runtime binding to cut down on object size of applications that
* do not use the mouse (e.g., 'clear').
*/
- SP->_mouse_event = _nc_mouse_event;
- SP->_mouse_inline = _nc_mouse_inline;
- SP->_mouse_parse = _nc_mouse_parse;
- SP->_mouse_resume = _nc_mouse_resume;
- SP->_mouse_wrap = _nc_mouse_wrap;
+ sp->_mouse_event = _nc_mouse_event;
+ sp->_mouse_inline = _nc_mouse_inline;
+ sp->_mouse_parse = _nc_mouse_parse;
+ sp->_mouse_resume = _nc_mouse_resume;
+ sp->_mouse_wrap = _nc_mouse_wrap;
} else {
- switch (SP->_mouse_type) {
+ switch (sp->_mouse_type) {
case M_XTERM:
TPUTS_TRACE("xterm mouse deinitialization");
- enable_xterm_mouse(0);
+ enable_xterm_mouse(sp, 0);
break;
#if USE_GPM_SUPPORT
case M_GPM:
- enable_gpm_mouse(0);
+ enable_gpm_mouse(sp, FALSE);
break;
#endif
#if USE_SYSMOUSE
case M_SYSMOUSE:
signal(SIGUSR2, SIG_IGN);
- SP->_mouse_active = FALSE;
+ sp->_mouse_active = FALSE;
break;
#endif
case M_NONE:
@@ -936,10 +999,10 @@ mouse_activate(bool on)
**************************************************************************/
static bool
-_nc_mouse_parse(int runcount)
+_nc_mouse_parse(SCREEN *sp, int runcount)
/* parse a run of atomic mouse events into a gesture */
{
- MEVENT *eventp = SP->_mouse_eventp;
+ MEVENT *eventp = sp->_mouse_eventp;
MEVENT *ep, *runp, *next, *prev = PREV(eventp);
int n;
int b;
@@ -971,10 +1034,10 @@ _nc_mouse_parse(int runcount)
if (runcount == 1) {
TR(MY_TRACE,
("_nc_mouse_parse: returning simple mouse event %s at slot %ld",
- _tracemouse(prev),
- (long) (prev - SP->_mouse_events)));
+ _nc_tracemouse(sp, prev),
+ (long) IndexEV(sp, prev)));
return (prev->id >= NORMAL_EVENT)
- ? ((prev->bstate & SP->_mouse_mask) ? TRUE : FALSE)
+ ? ((prev->bstate & sp->_mouse_mask) ? TRUE : FALSE)
: FALSE;
}
@@ -986,10 +1049,9 @@ _nc_mouse_parse(int runcount)
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
- _trace_slot("before mouse press/release merge:");
+ _trace_slot(sp, "before mouse press/release merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - SP->_mouse_events),
- (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
@@ -1014,7 +1076,7 @@ _nc_mouse_parse(int runcount)
#endif
) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((SP->_mouse_mask & MASK_CLICK(b))
+ if ((sp->_mouse_mask & MASK_CLICK(b))
&& (ep->bstate & MASK_PRESS(b))) {
ep->bstate &= ~MASK_PRESS(b);
ep->bstate |= MASK_CLICK(b);
@@ -1030,10 +1092,9 @@ _nc_mouse_parse(int runcount)
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
- _trace_slot("before mouse click merge:");
+ _trace_slot(sp, "before mouse click merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - SP->_mouse_events),
- (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
@@ -1071,7 +1132,7 @@ _nc_mouse_parse(int runcount)
if ((ep->bstate & BUTTON_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((SP->_mouse_mask & MASK_DOUBLE_CLICK(b))
+ if ((sp->_mouse_mask & MASK_DOUBLE_CLICK(b))
&& (follower->bstate & MASK_CLICK(b))) {
follower->bstate &= ~MASK_CLICK(b);
follower->bstate |= MASK_DOUBLE_CLICK(b);
@@ -1086,7 +1147,7 @@ _nc_mouse_parse(int runcount)
if ((ep->bstate & BUTTON_DOUBLE_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((SP->_mouse_mask & MASK_TRIPLE_CLICK(b))
+ if ((sp->_mouse_mask & MASK_TRIPLE_CLICK(b))
&& (follower->bstate & MASK_CLICK(b))) {
follower->bstate &= ~MASK_CLICK(b);
follower->bstate |= MASK_TRIPLE_CLICK(b);
@@ -1102,10 +1163,9 @@ _nc_mouse_parse(int runcount)
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
- _trace_slot("before mouse event queue compaction:");
+ _trace_slot(sp, "before mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - SP->_mouse_events),
- (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
@@ -1116,15 +1176,14 @@ _nc_mouse_parse(int runcount)
* don't match the current event mask.
*/
for (; runcount; prev = PREV(eventp), runcount--)
- if (prev->id == INVALID_EVENT || !(prev->bstate & SP->_mouse_mask)) {
- SP->_mouse_eventp = eventp = prev;
+ if (prev->id == INVALID_EVENT || !(prev->bstate & sp->_mouse_mask)) {
+ sp->_mouse_eventp = eventp = prev;
}
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
- _trace_slot("after mouse event queue compaction:");
+ _trace_slot(sp, "after mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - SP->_mouse_events),
- (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
@@ -1132,8 +1191,8 @@ _nc_mouse_parse(int runcount)
if (ep->id != INVALID_EVENT)
TR(MY_TRACE,
("_nc_mouse_parse: returning composite mouse event %s at slot %ld",
- _tracemouse(ep),
- (long) (ep - SP->_mouse_events)));
+ _nc_tracemouse(sp, ep),
+ (long) IndexEV(sp, ep)));
#endif /* TRACE */
/* after all this, do we have a valid event? */
@@ -1141,26 +1200,26 @@ _nc_mouse_parse(int runcount)
}
static void
-_nc_mouse_wrap(SCREEN *sp GCC_UNUSED)
+_nc_mouse_wrap(SCREEN *sp)
/* release mouse -- called by endwin() before shellout/exit */
{
TR(MY_TRACE, ("_nc_mouse_wrap() called"));
- switch (SP->_mouse_type) {
+ switch (sp->_mouse_type) {
case M_XTERM:
- if (SP->_mouse_mask)
- mouse_activate(FALSE);
+ if (sp->_mouse_mask)
+ mouse_activate(sp, FALSE);
break;
#if USE_GPM_SUPPORT
/* GPM: pass all mouse events to next client */
case M_GPM:
- if (SP->_mouse_mask)
- mouse_activate(FALSE);
+ if (sp->_mouse_mask)
+ mouse_activate(sp, FALSE);
break;
#endif
#if USE_SYSMOUSE
case M_SYSMOUSE:
- mouse_activate(FALSE);
+ mouse_activate(sp, FALSE);
break;
#endif
case M_NONE:
@@ -1169,29 +1228,29 @@ _nc_mouse_wrap(SCREEN *sp GCC_UNUSED)
}
static void
-_nc_mouse_resume(SCREEN *sp GCC_UNUSED)
+_nc_mouse_resume(SCREEN *sp)
/* re-connect to mouse -- called by doupdate() after shellout */
{
TR(MY_TRACE, ("_nc_mouse_resume() called"));
- switch (SP->_mouse_type) {
+ switch (sp->_mouse_type) {
case M_XTERM:
/* xterm: re-enable reporting */
- if (SP->_mouse_mask)
- mouse_activate(TRUE);
+ if (sp->_mouse_mask)
+ mouse_activate(sp, TRUE);
break;
#if USE_GPM_SUPPORT
case M_GPM:
/* GPM: reclaim our event set */
- if (SP->_mouse_mask)
- mouse_activate(TRUE);
+ if (sp->_mouse_mask)
+ mouse_activate(sp, TRUE);
break;
#endif
#if USE_SYSMOUSE
case M_SYSMOUSE:
- mouse_activate(TRUE);
+ mouse_activate(sp, TRUE);
break;
#endif
case M_NONE:
@@ -1205,14 +1264,13 @@ _nc_mouse_resume(SCREEN *sp GCC_UNUSED)
*
**************************************************************************/
-NCURSES_EXPORT(int)
-getmouse(MEVENT * aevent)
-/* grab a copy of the current mouse event */
+static int
+_nc_getmouse(SCREEN *sp, MEVENT * aevent)
{
T((T_CALLED("getmouse(%p)"), aevent));
- if ((aevent != 0) && (SP != 0) && (SP->_mouse_type != M_NONE)) {
- MEVENT *eventp = SP->_mouse_eventp;
+ if ((aevent != 0) && (sp != 0) && (sp->_mouse_type != M_NONE)) {
+ MEVENT *eventp = sp->_mouse_eventp;
/* compute the current-event pointer */
MEVENT *prev = PREV(eventp);
@@ -1220,8 +1278,8 @@ getmouse(MEVENT * aevent)
*aevent = *prev;
TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld",
- _tracemouse(prev),
- (long) (prev - SP->_mouse_events)));
+ _nc_tracemouse(sp, prev),
+ (long) IndexEV(sp, prev)));
prev->id = INVALID_EVENT; /* so the queue slot becomes free */
returnCode(OK);
@@ -1229,29 +1287,42 @@ getmouse(MEVENT * aevent)
returnCode(ERR);
}
+/* grab a copy of the current mouse event */
NCURSES_EXPORT(int)
-ungetmouse(MEVENT * aevent)
-/* enqueue a synthesized mouse event to be seen by the next wgetch() */
+getmouse(MEVENT * aevent)
+{
+ return _nc_getmouse(SP, aevent);
+}
+
+static int
+_nc_ungetmouse(SCREEN *sp, MEVENT * aevent)
{
int result = ERR;
T((T_CALLED("ungetmouse(%p)"), aevent));
- if (aevent != 0 && SP != 0) {
- MEVENT *eventp = SP->_mouse_eventp;
+ if (aevent != 0 && sp != 0) {
+ MEVENT *eventp = sp->_mouse_eventp;
/* stick the given event in the next-free slot */
*eventp = *aevent;
/* bump the next-free pointer into the circular list */
- SP->_mouse_eventp = NEXT(eventp);
+ sp->_mouse_eventp = NEXT(eventp);
/* push back the notification event on the keyboard queue */
- result = ungetch(KEY_MOUSE);
+ result = _nc_ungetch(sp, KEY_MOUSE);
}
returnCode(result);
}
+/* enqueue a synthesized mouse event to be seen by the next wgetch() */
+NCURSES_EXPORT(int)
+ungetmouse(MEVENT * aevent)
+{
+ return _nc_ungetmouse(SP, aevent);
+}
+
NCURSES_EXPORT(mmask_t)
mousemask(mmask_t newmask, mmask_t * oldmask)
/* set the mouse event mask */
@@ -1265,7 +1336,7 @@ mousemask(mmask_t newmask, mmask_t * oldmask)
*oldmask = SP->_mouse_mask;
if (newmask || SP->_mouse_initialized) {
- _nc_mouse_init();
+ _nc_mouse_init(SP);
if (SP->_mouse_type != M_NONE) {
result = newmask &
(REPORT_MOUSE_POSITION
@@ -1278,14 +1349,11 @@ mousemask(mmask_t newmask, mmask_t * oldmask)
| BUTTON_DOUBLE_CLICKED
| BUTTON_TRIPLE_CLICKED);
- mouse_activate((bool) (result != 0));
+ mouse_activate(SP, (bool) (result != 0));
SP->_mouse_mask = result;
}
}
- } else {
- if (oldmask)
- *oldmask = SP->_mouse_mask;
}
returnBits(result);
}