/****************************************************************************
- * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2008,2009 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 1.97 2008/08/16 18:55:01 tom Exp $")
+MODULE_ID("$Id: lib_mouse.c,v 1.105 2009/02/28 21:09:20 tom Exp $")
-#include <term.h>
#include <tic.h>
#if USE_GPM_SUPPORT
#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_PARM->_dlopen_gpm, #name))
#endif /* USE_GPM_SUPPORT */
#define LastEV(sp) ((sp)->_mouse_events + EV_MAX - 1)
#undef NEXT
-#define NEXT(ep) ((ep >= LastEV(sp)) \
- ? FirstEV(sp) \
+#define NEXT(ep) ((ep >= LastEV(SP_PARM)) \
+ ? FirstEV(SP_PARM) \
: ep + 1)
#undef PREV
-#define PREV(ep) ((ep <= FirstEV(sp)) \
- ? LastEV(sp) \
+#define PREV(ep) ((ep <= FirstEV(SP_PARM)) \
+ ? LastEV(SP_PARM) \
: ep - 1)
#define IndexEV(sp, ep) (ep - FirstEV(sp))
* 3 = middle.
*/
if ((mouev.fs ^ oldstate) & MOUSE_BN1_DOWN)
- write_event(mouev.fs & MOUSE_BN1_DOWN,
+ 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,
+ 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,
+ write_event(sp, mouev.fs & MOUSE_BN3_DOWN,
sp->_emxmouse_buttons[2], mouev.col, mouev.row);
finish:
static void
handle_sysmouse(int sig GCC_UNUSED)
{
- sysmouse_server(SP);
+ sysmouse_server(CURRENT_SCREEN);
}
#endif /* USE_SYSMOUSE */
#if USE_EMX_MOUSE
sp->_emxmouse_activated = enable;
#else
- putp(TPARM_1(sp->_mouse_xtermcap, enable));
+ NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
+ "xterm-mouse",
+ TPARM_1(sp->_mouse_xtermcap, enable));
#endif
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(SCREEN *sp, 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 =
- (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);
+#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 {
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 */
if (allow_gpm_mouse()) {
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;
-#endif
sp->_mouse_gpm_loaded = TRUE;
+#endif
}
/*
setmode(handles[1], O_BINARY);
/* Do not use CRT functions, we may single-threaded. */
rc = DosCreateThread((unsigned long *) &sp->_emxmouse_thread,
- mouse_server, sp, 0, 8192);
+ mouse_server, (long) sp, 0, 8192);
if (rc) {
printf("mouse thread error %d=%#x", rc, rc);
} else {
#if USE_GPM_SUPPORT
case M_GPM:
- {
+ if (sp->_mouse_fd >= 0) {
/* query server for event, return TRUE if we find one */
Gpm_Event ev;
- if (my_Gpm_GetEvent(&ev) == 1) {
+ switch (my_Gpm_GetEvent(&ev)) {
+ case 0:
+ /* Connection closed, drop the mouse. */
+ sp->_mouse_fd = -1;
+ break;
+ case 1:
/* there's only one mouse... */
eventp->id = NORMAL_EVENT;
/* bump the next-free pointer into the circular list */
sp->_mouse_eventp = eventp = NEXT(eventp);
result = TRUE;
+ break;
}
}
break;
switch (sp->_mouse_type) {
case M_XTERM:
#if NCURSES_EXT_FUNCS
- keyok(KEY_MOUSE, on);
+ NCURSES_SP_NAME(keyok) (NCURSES_SP_ARGx KEY_MOUSE, on);
#endif
TPUTS_TRACE("xterm mouse initialization");
enable_xterm_mouse(sp, 1);
break;
#if USE_GPM_SUPPORT
case M_GPM:
- if (enable_gpm_mouse(sp, 1)) {
+ if (enable_gpm_mouse(sp, TRUE)) {
sp->_mouse_fd = *(my_gpm_fd);
T(("GPM mouse_fd %d", sp->_mouse_fd));
}
break;
#if USE_GPM_SUPPORT
case M_GPM:
- enable_gpm_mouse(sp, 0);
+ enable_gpm_mouse(sp, FALSE);
break;
#endif
#if USE_SYSMOUSE
return;
}
}
- _nc_flush();
+ NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
}
/**************************************************************************
*
**************************************************************************/
-static int
-_nc_getmouse(SCREEN *sp, MEVENT * aevent)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(getmouse) (NCURSES_SP_DCLx MEVENT * aevent)
{
- T((T_CALLED("getmouse(%p)"), aevent));
+ T((T_CALLED("getmouse(%p,%p)"), SP_PARM, aevent));
- if ((aevent != 0) && (sp != 0) && (sp->_mouse_type != M_NONE)) {
- MEVENT *eventp = sp->_mouse_eventp;
+ if ((aevent != 0) && (SP_PARM != 0) && (SP_PARM->_mouse_type != M_NONE)) {
+ MEVENT *eventp = SP_PARM->_mouse_eventp;
/* compute the current-event pointer */
MEVENT *prev = PREV(eventp);
*aevent = *prev;
TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld",
- _nc_tracemouse(sp, prev),
- (long) IndexEV(sp, prev)));
+ _nc_tracemouse(SP_PARM, prev),
+ (long) IndexEV(SP_PARM, prev)));
prev->id = INVALID_EVENT; /* so the queue slot becomes free */
returnCode(OK);
returnCode(ERR);
}
+#if NCURSES_SP_FUNCS
/* grab a copy of the current mouse event */
NCURSES_EXPORT(int)
getmouse(MEVENT * aevent)
{
- return _nc_getmouse(SP, aevent);
+ return NCURSES_SP_NAME(getmouse) (CURRENT_SCREEN, aevent);
}
+#endif
-static int
-_nc_ungetmouse(SCREEN *sp, MEVENT * aevent)
+NCURSES_EXPORT(int)
+NCURSES_SP_NAME(ungetmouse) (NCURSES_SP_DCLx MEVENT * aevent)
{
int result = ERR;
- T((T_CALLED("ungetmouse(%p)"), aevent));
+ T((T_CALLED("ungetmouse(%p,%p)"), SP_PARM, aevent));
- if (aevent != 0 && sp != 0) {
- MEVENT *eventp = sp->_mouse_eventp;
+ if (aevent != 0 && SP_PARM != 0) {
+ MEVENT *eventp = SP_PARM->_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_PARM->_mouse_eventp = NEXT(eventp);
/* push back the notification event on the keyboard queue */
- result = _nc_ungetch(sp, KEY_MOUSE);
+ result = NCURSES_SP_NAME(ungetch) (NCURSES_SP_ARGx KEY_MOUSE);
}
returnCode(result);
}
+#if NCURSES_SP_FUNCS
/* enqueue a synthesized mouse event to be seen by the next wgetch() */
NCURSES_EXPORT(int)
ungetmouse(MEVENT * aevent)
{
- return _nc_ungetmouse(SP, aevent);
+ return NCURSES_SP_NAME(ungetmouse) (CURRENT_SCREEN, aevent);
}
+#endif
NCURSES_EXPORT(mmask_t)
-mousemask(mmask_t newmask, mmask_t * oldmask)
+NCURSES_SP_NAME(mousemask) (NCURSES_SP_DCLx mmask_t newmask, mmask_t * oldmask)
/* set the mouse event mask */
{
mmask_t result = 0;
- T((T_CALLED("mousemask(%#lx,%p)"), (unsigned long) newmask, oldmask));
+ T((T_CALLED("mousemask(%p,%#lx,%p)"), SP_PARM, (unsigned long) newmask, oldmask));
- if (SP != 0) {
+ if (SP_PARM != 0) {
if (oldmask)
- *oldmask = SP->_mouse_mask;
+ *oldmask = SP_PARM->_mouse_mask;
- if (newmask || SP->_mouse_initialized) {
- _nc_mouse_init(SP);
- if (SP->_mouse_type != M_NONE) {
+ if (newmask || SP_PARM->_mouse_initialized) {
+ _nc_mouse_init(SP_PARM);
+ if (SP_PARM->_mouse_type != M_NONE) {
result = newmask &
(REPORT_MOUSE_POSITION
| BUTTON_ALT
| BUTTON_DOUBLE_CLICKED
| BUTTON_TRIPLE_CLICKED);
- mouse_activate(SP, (bool) (result != 0));
+ mouse_activate(SP_PARM, (bool) (result != 0));
- SP->_mouse_mask = result;
+ SP_PARM->_mouse_mask = result;
}
}
}
returnBits(result);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(mmask_t)
+mousemask(mmask_t newmask, mmask_t * oldmask)
+{
+ return NCURSES_SP_NAME(mousemask) (CURRENT_SCREEN, newmask, oldmask);
+}
+#endif
+
NCURSES_EXPORT(bool)
wenclose(const WINDOW *win, int y, int x)
/* check to see if given window encloses given screen location */
}
NCURSES_EXPORT(int)
-mouseinterval(int maxclick)
+NCURSES_SP_NAME(mouseinterval) (NCURSES_SP_DCLx int maxclick)
/* set the maximum mouse interval within which to recognize a click */
{
int oldval;
- T((T_CALLED("mouseinterval(%d)"), maxclick));
+ T((T_CALLED("mouseinterval(%p,%d)"), SP_PARM, maxclick));
- if (SP != 0) {
- oldval = SP->_maxclick;
+ if (SP_PARM != 0) {
+ oldval = SP_PARM->_maxclick;
if (maxclick >= 0)
- SP->_maxclick = maxclick;
+ SP_PARM->_maxclick = maxclick;
} else {
oldval = DEFAULT_MAXCLICK;
}
returnCode(oldval);
}
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(int)
+mouseinterval(int maxclick)
+{
+ return NCURSES_SP_NAME(mouseinterval) (CURRENT_SCREEN, maxclick);
+}
+#endif
+
/* This may be used by other routines to ask for the existence of mouse
support */
-NCURSES_EXPORT(int)
-_nc_has_mouse(void)
+NCURSES_EXPORT(bool)
+_nc_has_mouse(SCREEN *sp)
{
- return (SP->_mouse_type == M_NONE ? 0 : 1);
+ return (((0 == sp) || (sp->_mouse_type == M_NONE)) ? FALSE : TRUE);
}
+NCURSES_EXPORT(bool)
+NCURSES_SP_NAME(has_mouse) (NCURSES_SP_DCL0)
+{
+ return _nc_has_mouse(SP_PARM);
+}
+
+#if NCURSES_SP_FUNCS
+NCURSES_EXPORT(bool)
+has_mouse(void)
+{
+ return _nc_has_mouse(CURRENT_SCREEN);
+}
+#endif
+
NCURSES_EXPORT(bool)
wmouse_trafo(const WINDOW *win, int *pY, int *pX, bool to_screen)
{
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