/****************************************************************************
- * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2005,2006 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 *
#include <curses.priv.h>
-MODULE_ID("$Id: lib_mouse.c,v 1.77 2005/09/10 22:58:57 tom Exp $")
+MODULE_ID("$Id: lib_mouse.c,v 1.85 2006/11/25 22:30:28 tom Exp $")
#include <term.h>
#include <tic.h>
#if USE_GPM_SUPPORT
-#ifndef LINT /* don't need this for llib-lncurses */
-#undef buttons /* term.h defines this, and gpm uses it! */
-#include <gpm.h>
#include <linux/keyboard.h> /* defines KG_* macros */
+
+#ifdef HAVE_LIBDL
/* use dynamic loader to avoid linkage dependency */
#include <dlfcn.h>
+
#ifdef RTLD_NOW
#define my_RTLD RTLD_NOW
#else
#else
make an error
#endif
-#endif
-#endif
+#endif /* RTLD_NOW */
+#endif /* HAVE_LIBDL */
+
#endif /* USE_GPM_SUPPORT */
#if USE_SYSMOUSE
#define NORMAL_EVENT 0
#if USE_GPM_SUPPORT
-#ifndef LINT
#ifndef LIBGPM_SONAME
#define LIBGPM_SONAME "libgpm.so"
#define GET_DLSYM(name) (my_##name = (TYPE_##name) dlsym(obj, #name))
-static Gpm_Connect gpm_connect;
-
-typedef int *TYPE_gpm_fd;
-typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int);
-typedef int (*TYPE_Gpm_Close) (void);
-typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *);
-
-static TYPE_gpm_fd my_gpm_fd;
-static TYPE_Gpm_Open my_Gpm_Open;
-static TYPE_Gpm_Close my_Gpm_Close;
-static TYPE_Gpm_GetEvent my_Gpm_GetEvent;
-
-#endif /* LINT */
-#endif /* USE_GPM_SUPPORT */
-
-static mmask_t eventmask; /* current event mask */
+#endif /* USE_GPM_SUPPORT */
static bool _nc_mouse_parse(int);
static void _nc_mouse_resume(SCREEN *);
/* maintain a circular list of mouse events */
-/* The definition of the circular list size (EV_MAX), is in curses.priv.h, so
- * wgetch() may refer to the size and call _nc_mouse_parse() before circular
- * list overflow.
- */
-static MEVENT events[EV_MAX]; /* hold the last mouse event seen */
-static MEVENT *eventp = events; /* next free slot in event queue */
-
#undef NEXT
-#define NEXT(ep) ((ep == events + EV_MAX - 1) ? events : ep + 1)
+#define NEXT(ep) ((ep == SP->_mouse_events + EV_MAX - 1) \
+ ? SP->_mouse_events \
+ : ep + 1)
#undef PREV
-#define PREV(ep) ((ep == events) ? events + EV_MAX - 1 : ep - 1)
+#define PREV(ep) ((ep == SP->_mouse_events) \
+ ? SP->_mouse_events + EV_MAX - 1 \
+ : ep - 1)
#ifdef TRACE
static void
_tracef(tag);
- for (ep = events; ep < events + EV_MAX; ep++)
+ for (ep = SP->_mouse_events; ep < SP->_mouse_events + EV_MAX; ep++)
_tracef("mouse event queue slot %ld = %s",
- (long) (ep - events),
+ (long) (ep - SP->_mouse_events),
_tracemouse(ep));
}
#endif
# define TOP_ROW 0
# define LEFT_COL 0
-static int mouse_wfd;
-static int mouse_thread;
-static int mouse_activated;
-static char mouse_buttons[] =
-{0, 1, 3, 2};
-
# define M_FD(sp) sp->_mouse_fd
static void
buf[3] = ' ' + (button - 1) + (down ? 0 : 0x40);
buf[4] = ' ' + x - LEFT_COL + 1;
buf[5] = ' ' + y - TOP_ROW + 1;
- DosWrite(mouse_wfd, buf, 6, &ignore);
+ DosWrite(SP->_emxmouse_wfd, buf, 6, &ignore);
}
static void
sprintf(err, "Error reading mouse queue, rc=%lu.\r\n", rc);
break;
}
- if (!mouse_activated)
+ if (!SP->_emxmouse_activated)
goto finish;
/*
*/
if ((mouev.fs ^ oldstate) & MOUSE_BN1_DOWN)
write_event(mouev.fs & MOUSE_BN1_DOWN,
- mouse_buttons[1], mouev.col, mouev.row);
+ SP->_emxmouse_buttons[1], mouev.col, mouev.row);
if ((mouev.fs ^ oldstate) & MOUSE_BN2_DOWN)
write_event(mouev.fs & MOUSE_BN2_DOWN,
- mouse_buttons[3], mouev.col, mouev.row);
+ SP->_emxmouse_buttons[3], mouev.col, mouev.row);
if ((mouev.fs ^ oldstate) & MOUSE_BN3_DOWN)
write_event(mouev.fs & MOUSE_BN3_DOWN,
- mouse_buttons[2], mouev.col, mouev.row);
+ SP->_emxmouse_buttons[2], mouev.col, mouev.row);
finish:
oldstate = mouev.fs;
}
#endif /* USE_SYSMOUSE */
-static int initialized;
-
static void
init_xterm_mouse(void)
{
enable_xterm_mouse(int enable)
{
#if USE_EMX_MOUSE
- mouse_activated = enable;
+ SP->_emxmouse_activated = enable;
#else
- putp(tparm(SP->_mouse_xtermcap, enable));
+ putp(TPARM_1(SP->_mouse_xtermcap, enable));
#endif
SP->_mouse_active = enable;
}
if (enable && !SP->_mouse_active) {
/* GPM: initialize connection to gpm server */
- gpm_connect.eventMask = GPM_DOWN | GPM_UP;
- gpm_connect.defaultMask = ~(gpm_connect.eventMask | GPM_HARD);
- gpm_connect.minMod = 0;
- gpm_connect.maxMod = (unsigned short) (~((1 << KG_SHIFT) |
- (1 << KG_SHIFTL) |
- (1 << KG_SHIFTR)));
+ 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(&gpm_connect, 0) >= 0);
+ result = (my_Gpm_Open(&SP->_mouse_gpm_connect, 0) >= 0);
SP->_mouse_active = result;
T(("GPM open %s", result ? "succeeded" : "failed"));
} else {
/* Try gpm first, because gpm may be configured to run in xterm */
#if USE_GPM_SUPPORT
if (allow_gpm_mouse()) {
- static bool first = TRUE;
- static bool found = FALSE;
-
- if (first) {
+ if (!SP->_mouse_gpm_loaded) {
+#ifdef HAVE_LIBDL
void *obj;
- first = FALSE;
if ((obj = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) {
if (GET_DLSYM(gpm_fd) == 0 ||
T(("GPM initialization failed: %s", dlerror()));
dlclose(obj);
} else {
- found = TRUE;
+ SP->_mouse_gpm_found = TRUE;
}
}
+#else /* !HAVE_LIBDL */
+ SP->_mouse_gpm_found = TRUE;
+#endif
+ SP->_mouse_gpm_loaded = TRUE;
}
/*
* maintain our notion of whether the mouse connection is active
* without testing the file-descriptor.
*/
- if (found && enable_gpm_mouse(TRUE)) {
+ if (SP->_mouse_gpm_found && enable_gpm_mouse(TRUE)) {
SP->_mouse_type = M_GPM;
- SP->_mouse_fd = *my_gpm_fd;
+ SP->_mouse_fd = *(my_gpm_fd);
T(("GPM mouse_fd %d", SP->_mouse_fd));
returnVoid;
}
/* OS/2 VIO */
#if USE_EMX_MOUSE
- if (!mouse_thread
+ if (!SP->_emxmouse_thread
&& strstr(cur_term->type.term_names, "xterm") == 0
&& key_mouse) {
int handles[2];
} else {
int rc;
- if (!mouse_buttons[0]) {
+ if (!SP->_emxmouse_buttons[0]) {
char *s = getenv("MOUSE_BUTTONS_123");
- mouse_buttons[0] = 1;
+ SP->_emxmouse_buttons[0] = 1;
if (s && strlen(s) >= 3) {
- mouse_buttons[1] = s[0] - '0';
- mouse_buttons[2] = s[1] - '0';
- mouse_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;
}
}
- mouse_wfd = handles[1];
+ 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 *) &mouse_thread,
+ rc = DosCreateThread((unsigned long *) &SP->_emxmouse_thread,
mouse_server, 0, 0, 8192);
if (rc) {
printf("mouse thread error %d=%#x", rc, rc);
/* we know how to recognize mouse events under "xterm" */
if (key_mouse != 0) {
- if (!strcmp(key_mouse, xterm_kmous)) {
+ if (!strcmp(key_mouse, xterm_kmous)
+ || strstr(cur_term->type.term_names, "xterm") != 0) {
init_xterm_mouse();
}
} else if (strstr(cur_term->type.term_names, "xterm") != 0) {
_nc_mouse_init(void)
/* initialize the mouse */
{
+ bool result = FALSE;
int i;
- if (!initialized && (SP != 0)) {
- initialized = TRUE;
+ if (SP != 0) {
+ if (!SP->_mouse_initialized) {
+ SP->_mouse_initialized = TRUE;
- TR(MY_TRACE, ("_nc_mouse_init() called"));
+ TR(MY_TRACE, ("_nc_mouse_init() called"));
- for (i = 0; i < EV_MAX; i++)
- events[i].id = INVALID_EVENT;
+ SP->_mouse_eventp = SP->_mouse_events;
+ for (i = 0; i < EV_MAX; i++)
+ SP->_mouse_events[i].id = INVALID_EVENT;
- initialize_mousetype();
+ initialize_mousetype();
- 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;
}
- return initialized;
+ return result;
}
/*
static bool
_nc_mouse_event(SCREEN *sp GCC_UNUSED)
{
+ MEVENT *eventp = SP->_mouse_eventp;
bool result = FALSE;
+ (void) eventp;
+
switch (SP->_mouse_type) {
case M_XTERM:
/* xterm: never have to query, mouse events are in the keyboard stream */
eventp->z = 0;
/* bump the next-free pointer into the circular list */
- eventp = NEXT(eventp);
+ SP->_mouse_eventp = eventp = NEXT(eventp);
result = TRUE;
}
}
}
/* bump the next-free pointer into the circular list */
- eventp = NEXT(eventp);
+ SP->_mouse_eventp = eventp = NEXT(eventp);
result = TRUE;
}
break;
{
int b;
bool result = FALSE;
+ MEVENT *eventp = SP->_mouse_eventp;
TR(MY_TRACE, ("_nc_mouse_inline() called"));
TR(MY_TRACE,
("_nc_mouse_inline: primitive mouse-event %s has slot %ld",
_tracemouse(eventp),
- (long) (eventp - events)));
+ (long) (eventp - SP->_mouse_events)));
/* bump the next-free pointer into the circular list */
- 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
static void
mouse_activate(bool on)
{
- if (!on && !initialized)
+ if (!on && !SP->_mouse_initialized)
return;
if (!_nc_mouse_init())
#if USE_GPM_SUPPORT
case M_GPM:
if (enable_gpm_mouse(1)) {
- SP->_mouse_fd = *my_gpm_fd;
+ SP->_mouse_fd = *(my_gpm_fd);
T(("GPM mouse_fd %d", SP->_mouse_fd));
}
break;
_nc_mouse_parse(int runcount)
/* parse a run of atomic mouse events into a gesture */
{
+ MEVENT *eventp = SP->_mouse_eventp;
MEVENT *ep, *runp, *next, *prev = PREV(eventp);
int n;
int b;
TR(MY_TRACE,
("_nc_mouse_parse: returning simple mouse event %s at slot %ld",
_tracemouse(prev),
- (long) (prev - events)));
+ (long) (prev - SP->_mouse_events)));
return (prev->id >= NORMAL_EVENT)
- ? ((prev->bstate & eventmask) ? TRUE : FALSE)
+ ? ((prev->bstate & SP->_mouse_mask) ? TRUE : FALSE)
: FALSE;
}
if (_nc_tracing & TRACE_IEVENT) {
_trace_slot("before mouse press/release merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - events),
- (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX,
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
runcount);
}
#endif /* TRACE */
#endif
) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((eventmask & 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);
if (_nc_tracing & TRACE_IEVENT) {
_trace_slot("before mouse click merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - events),
- (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX,
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
runcount);
}
#endif /* TRACE */
if ((ep->bstate & BUTTON_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((eventmask & 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);
if ((ep->bstate & BUTTON_DOUBLE_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
- if ((eventmask & 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);
if (_nc_tracing & TRACE_IEVENT) {
_trace_slot("before mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - events),
- (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX,
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
runcount);
}
#endif /* TRACE */
* don't match the current event mask.
*/
for (; runcount; prev = PREV(eventp), runcount--)
- if (prev->id == INVALID_EVENT || !(prev->bstate & eventmask)) {
- eventp = prev;
+ if (prev->id == INVALID_EVENT || !(prev->bstate & SP->_mouse_mask)) {
+ SP->_mouse_eventp = eventp = prev;
}
#ifdef TRACE
if (_nc_tracing & TRACE_IEVENT) {
_trace_slot("after mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
- (long) (runp - events),
- (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX,
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
runcount);
}
for (ep = runp; ep != eventp; ep = NEXT(ep))
TR(MY_TRACE,
("_nc_mouse_parse: returning composite mouse event %s at slot %ld",
_tracemouse(ep),
- (long) (ep - events)));
+ (long) (ep - SP->_mouse_events)));
#endif /* TRACE */
/* after all this, do we have a valid event? */
switch (SP->_mouse_type) {
case M_XTERM:
- if (eventmask)
+ if (SP->_mouse_mask)
mouse_activate(FALSE);
break;
#if USE_GPM_SUPPORT
/* GPM: pass all mouse events to next client */
case M_GPM:
- if (eventmask)
+ if (SP->_mouse_mask)
mouse_activate(FALSE);
break;
#endif
switch (SP->_mouse_type) {
case M_XTERM:
/* xterm: re-enable reporting */
- if (eventmask)
+ if (SP->_mouse_mask)
mouse_activate(TRUE);
break;
#if USE_GPM_SUPPORT
case M_GPM:
/* GPM: reclaim our event set */
- if (eventmask)
+ if (SP->_mouse_mask)
mouse_activate(TRUE);
break;
#endif
{
T((T_CALLED("getmouse(%p)"), aevent));
- if (aevent && (SP->_mouse_type != M_NONE)) {
+ if ((aevent != 0) && (SP != 0) && (SP->_mouse_type != M_NONE)) {
+ MEVENT *eventp = SP->_mouse_eventp;
/* compute the current-event pointer */
MEVENT *prev = PREV(eventp);
TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld",
_tracemouse(prev),
- (long) (prev - events)));
+ (long) (prev - SP->_mouse_events)));
prev->id = INVALID_EVENT; /* so the queue slot becomes free */
returnCode(OK);
ungetmouse(MEVENT * aevent)
/* enqueue a synthesized mouse event to be seen by the next wgetch() */
{
+ int result = ERR;
+
T((T_CALLED("ungetmouse(%p)"), aevent));
- /* stick the given event in the next-free slot */
- *eventp = *aevent;
+ if (aevent != 0 && SP != 0) {
+ MEVENT *eventp = SP->_mouse_eventp;
- /* bump the next-free pointer into the circular list */
- eventp = NEXT(eventp);
+ /* stick the given event in the next-free slot */
+ *eventp = *aevent;
- /* push back the notification event on the keyboard queue */
- returnCode(ungetch(KEY_MOUSE));
+ /* bump the next-free pointer into the circular list */
+ SP->_mouse_eventp = NEXT(eventp);
+
+ /* push back the notification event on the keyboard queue */
+ result = ungetch(KEY_MOUSE);
+ }
+ returnCode(result);
}
NCURSES_EXPORT(mmask_t)
T((T_CALLED("mousemask(%#lx,%p)"), (unsigned long) newmask, oldmask));
- if (oldmask)
- *oldmask = eventmask;
-
- if (!newmask && !initialized)
- returnBits(0);
-
- _nc_mouse_init();
- if (SP != 0 && SP->_mouse_type != M_NONE) {
- eventmask = newmask &
- (REPORT_MOUSE_POSITION | BUTTON_ALT | BUTTON_CTRL | BUTTON_SHIFT
- | BUTTON_PRESSED
- | BUTTON_RELEASED
- | BUTTON_CLICKED
- | BUTTON_DOUBLE_CLICKED
- | BUTTON_TRIPLE_CLICKED);
-
- mouse_activate(eventmask != 0);
-
- result = eventmask;
+ if (SP != 0) {
+ if (oldmask)
+ *oldmask = SP->_mouse_mask;
+
+ if (newmask || SP->_mouse_initialized) {
+ _nc_mouse_init();
+ if (SP->_mouse_type != M_NONE) {
+ result = newmask &
+ (REPORT_MOUSE_POSITION
+ | BUTTON_ALT
+ | BUTTON_CTRL
+ | BUTTON_SHIFT
+ | BUTTON_PRESSED
+ | BUTTON_RELEASED
+ | BUTTON_CLICKED
+ | BUTTON_DOUBLE_CLICKED
+ | BUTTON_TRIPLE_CLICKED);
+
+ mouse_activate((bool) (result != 0));
+
+ SP->_mouse_mask = result;
+ }
+ }
+ } else {
+ if (oldmask)
+ *oldmask = SP->_mouse_mask;
}
-
returnBits(result);
}
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