/****************************************************************************
- * Copyright (c) 1998,1999 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 *
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
+ * and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
* This module is intended to encapsulate ncurses's interface to pointing
* devices.
*
- * The first method used is xterm's internal mouse-tracking facility.
- * The second is Alessandro Rubini's GPM server.
+ * The primary method used is xterm's internal mouse-tracking facility.
+ * Additional methods depend on the platform:
+ * Alessandro Rubini's GPM server (Linux)
+ * sysmouse (FreeBSD)
+ * special-purpose mouse interface for OS/2 EMX.
*
* Notes for implementors of new mouse-interface methods:
*
*/
#ifdef __EMX__
-# include "io.h"
-# include "fcntl.h"
+# include <io.h>
# define INCL_DOS
# define INCL_VIO
# define INCL_KBD
#endif
#include <curses.priv.h>
+
+MODULE_ID("$Id: lib_mouse.c,v 1.87 2006/12/30 16:30:06 tom Exp $")
+
#include <term.h>
+#include <tic.h>
#if USE_GPM_SUPPORT
-#ifndef LINT /* don't need this for llib-lncurses */
-#undef buttons /* term.h defines this, and gpm uses it! */
-#include <gpm.h>
#include <linux/keyboard.h> /* defines KG_* macros */
+
+#ifdef HAVE_LIBDL
+/* use dynamic loader to avoid linkage dependency */
+#include <dlfcn.h>
+
+#ifdef RTLD_NOW
+#define my_RTLD RTLD_NOW
+#else
+#ifdef RTLD_LAZY
+#define my_RTLD RTLD_LAZY
+#else
+make an error
#endif
+#endif /* RTLD_NOW */
+#endif /* HAVE_LIBDL */
+
+#endif /* USE_GPM_SUPPORT */
+
+#if USE_SYSMOUSE
+#undef buttons /* symbol conflict in consio.h */
+#undef mouse_info /* symbol conflict in consio.h */
+#include <osreldate.h>
+#if (__FreeBSD_version >= 400017)
+#include <sys/consio.h>
+#include <sys/fbio.h>
+#else
+#include <machine/console.h>
#endif
-
-MODULE_ID("$Id: lib_mouse.c,v 1.45 1999/10/22 21:39:02 tom Exp $")
+#endif /* use_SYSMOUSE */
#define MY_TRACE TRACE_ICALLS|TRACE_IEVENT
-#define INVALID_EVENT -1
+#define MASK_RELEASE(x) NCURSES_MOUSE_MASK(x, 001)
+#define MASK_PRESS(x) NCURSES_MOUSE_MASK(x, 002)
+#define MASK_CLICK(x) NCURSES_MOUSE_MASK(x, 004)
+#define MASK_DOUBLE_CLICK(x) NCURSES_MOUSE_MASK(x, 010)
+#define MASK_TRIPLE_CLICK(x) NCURSES_MOUSE_MASK(x, 020)
+#define MASK_RESERVED_EVENT(x) NCURSES_MOUSE_MASK(x, 040)
+
+#if NCURSES_MOUSE_VERSION == 1
+#define BUTTON_CLICKED (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED | BUTTON4_CLICKED)
+#define BUTTON_PRESSED (BUTTON1_PRESSED | BUTTON2_PRESSED | BUTTON3_PRESSED | BUTTON4_PRESSED)
+#define BUTTON_RELEASED (BUTTON1_RELEASED | BUTTON2_RELEASED | BUTTON3_RELEASED | BUTTON4_RELEASED)
+#define BUTTON_DOUBLE_CLICKED (BUTTON1_DOUBLE_CLICKED | BUTTON2_DOUBLE_CLICKED | BUTTON3_DOUBLE_CLICKED | BUTTON4_DOUBLE_CLICKED)
+#define BUTTON_TRIPLE_CLICKED (BUTTON1_TRIPLE_CLICKED | BUTTON2_TRIPLE_CLICKED | BUTTON3_TRIPLE_CLICKED | BUTTON4_TRIPLE_CLICKED)
+#define MAX_BUTTONS 4
+#else
+#define BUTTON_CLICKED (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED | BUTTON4_CLICKED | BUTTON5_CLICKED)
+#define BUTTON_PRESSED (BUTTON1_PRESSED | BUTTON2_PRESSED | BUTTON3_PRESSED | BUTTON4_PRESSED | BUTTON5_PRESSED)
+#define BUTTON_RELEASED (BUTTON1_RELEASED | BUTTON2_RELEASED | BUTTON3_RELEASED | BUTTON4_RELEASED | BUTTON5_RELEASED)
+#define BUTTON_DOUBLE_CLICKED (BUTTON1_DOUBLE_CLICKED | BUTTON2_DOUBLE_CLICKED | BUTTON3_DOUBLE_CLICKED | BUTTON4_DOUBLE_CLICKED | BUTTON5_DOUBLE_CLICKED)
+#define BUTTON_TRIPLE_CLICKED (BUTTON1_TRIPLE_CLICKED | BUTTON2_TRIPLE_CLICKED | BUTTON3_TRIPLE_CLICKED | BUTTON4_TRIPLE_CLICKED | BUTTON5_TRIPLE_CLICKED)
+#define MAX_BUTTONS 5
+#endif
-static int mousetype;
-#define M_XTERM -1 /* use xterm's mouse tracking? */
-#define M_NONE 0 /* no mouse device */
-#define M_GPM 1 /* use GPM */
-#define M_QNX 2 /* QNX mouse on console */
-#define M_QNX_TERM 3 /* QNX mouse on pterm/xterm (using qansi-m) */
+#define INVALID_EVENT -1
+#define NORMAL_EVENT 0
#if USE_GPM_SUPPORT
-#ifndef LINT
-static Gpm_Connect gpm_connect;
-#endif
+
+#ifndef LIBGPM_SONAME
+#define LIBGPM_SONAME "libgpm.so"
#endif
-static mmask_t eventmask; /* current event mask */
+#define GET_DLSYM(name) (my_##name = (TYPE_##name) dlsym(obj, #name))
+
+#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 */
-#define NEXT(ep) ((ep == events + EV_MAX - 1) ? events : ep + 1)
-#define PREV(ep) ((ep == events) ? events + EV_MAX - 1 : ep - 1)
+#undef NEXT
+#define NEXT(ep) ((ep == SP->_mouse_events + EV_MAX - 1) \
+ ? SP->_mouse_events \
+ : ep + 1)
+
+#undef PREV
+#define PREV(ep) ((ep == SP->_mouse_events) \
+ ? SP->_mouse_events + EV_MAX - 1 \
+ : ep - 1)
#ifdef TRACE
-static void _trace_slot(const char *tag)
+static void
+_trace_slot(const char *tag)
{
- MEVENT *ep;
+ MEVENT *ep;
- _tracef(tag);
+ _tracef(tag);
- for (ep = events; ep < events + EV_MAX; ep++)
- _tracef("mouse event queue slot %ld = %s",
- (long) (ep - events),
- _tracemouse(ep));
+ for (ep = SP->_mouse_events; ep < SP->_mouse_events + EV_MAX; ep++)
+ _tracef("mouse event queue slot %ld = %s",
+ (long) (ep - SP->_mouse_events),
+ _tracemouse(ep));
}
#endif
-#ifdef USE_EMX_MOUSE
+#if USE_EMX_MOUSE
# 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
char buf[6];
unsigned long ignore;
- strcpy(buf, key_mouse);
+ strncpy(buf, key_mouse, 3); /* should be "\033[M" */
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
MOUEVENTINFO mouev;
HMOU hmou;
unsigned short mask = MOUSE_BN1_DOWN | MOUSE_BN2_DOWN | MOUSE_BN3_DOWN;
+ int nbuttons = 3;
int oldstate = 0;
- char errmess[] = "Unexpected termination of mouse thread\r\n";
- unsigned long ignore;
+ char err[80];
+ unsigned long rc;
/* open the handle for the mouse */
- if (MouOpen(NULL,&hmou) == 0) {
-
- if (MouSetEventMask(&mask,hmou) == 0
- && MouDrawPtr(hmou) == 0) {
-
+ if (MouOpen(NULL, &hmou) == 0) {
+ rc = MouSetEventMask(&mask, hmou);
+ if (rc) { /* retry with 2 buttons */
+ mask = MOUSE_BN1_DOWN | MOUSE_BN2_DOWN;
+ rc = MouSetEventMask(&mask, hmou);
+ nbuttons = 2;
+ }
+ if (rc == 0 && MouDrawPtr(hmou) == 0) {
for (;;) {
/* sit and wait on the event queue */
- if (MouReadEventQue(&mouev,&fWait,hmou))
- break;
- if (!mouse_activated)
+ rc = MouReadEventQue(&mouev, &fWait, hmou);
+ if (rc) {
+ sprintf(err, "Error reading mouse queue, rc=%lu.\r\n", rc);
+ break;
+ }
+ if (!SP->_emxmouse_activated)
goto finish;
/*
* OS/2 numbers a 3-button mouse inconsistently from other
* platforms:
- * 1 = left
- * 2 = right
- * 3 = middle.
+ * 1 = left
+ * 2 = right
+ * 3 = middle.
*/
if ((mouev.fs ^ oldstate) & MOUSE_BN1_DOWN)
- write_event(mouev.fs & MOUSE_BN1_DOWN,
- mouse_buttons[1], mouev.col, mouev.row);
+ write_event(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,
- mouse_buttons[3], mouev.col, mouev.row);
+ write_event(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,
- mouse_buttons[2], mouev.col, mouev.row);
+ write_event(mouev.fs & MOUSE_BN3_DOWN,
+ SP->_emxmouse_buttons[2], mouev.col, mouev.row);
finish:
oldstate = mouev.fs;
}
- }
+ } else
+ sprintf(err, "Error setting event mask, buttons=%d, rc=%lu.\r\n",
+ nbuttons, rc);
- DosWrite(2, errmess, strlen(errmess), &ignore);
+ DosWrite(2, err, strlen(err), &rc);
MouClose(hmou);
}
- DosExit(EXIT_THREAD, 0L );
+ DosExit(EXIT_THREAD, 0L);
+}
+
+#endif /* USE_EMX_MOUSE */
+
+#if USE_SYSMOUSE
+static void
+handle_sysmouse(int sig GCC_UNUSED)
+{
+ 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;
+ }
+ 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;
+
+ if (SP->_sysmouse_new_buttons) {
+ if (SP->_sysmouse_new_buttons & 1)
+ work->bstate |= BUTTON1_PRESSED;
+ if (SP->_sysmouse_new_buttons & 2)
+ work->bstate |= BUTTON2_PRESSED;
+ if (SP->_sysmouse_new_buttons & 4)
+ work->bstate |= BUTTON3_PRESSED;
+ } else {
+ if (SP->_sysmouse_old_buttons & 1)
+ work->bstate |= BUTTON1_RELEASED;
+ if (SP->_sysmouse_old_buttons & 2)
+ work->bstate |= BUTTON2_RELEASED;
+ 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);
+ the_mouse.operation = MOUSE_SHOW;
+ 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;
+ }
+ work->x = the_mouse.u.data.x / SP->_sysmouse_char_width;
+ work->y = the_mouse.u.data.y / SP->_sysmouse_char_height;
+ }
}
+#endif /* USE_SYSMOUSE */
+
static void
-server_state(const int state)
-{ /* It would be nice to implement pointer-off and stop looping... */
- mouse_activated = state;
+init_xterm_mouse(void)
+{
+ 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)
+{
+#if USE_EMX_MOUSE
+ SP->_emxmouse_activated = enable;
+#else
+ putp(TPARM_1(SP->_mouse_xtermcap, enable));
#endif
+ SP->_mouse_active = enable;
+}
-static int initialized;
+#if USE_GPM_SUPPORT
+static int
+allow_gpm_mouse(void)
+{
+ /* GPM does printf's without checking if stdout is a terminal */
+ if (isatty(fileno(stdout))) {
+ 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;
+ }
+ return FALSE;
+}
-static void _nc_mouse_init(void)
-/* initialize the mouse */
+static bool
+enable_gpm_mouse(int enable)
{
- int i;
+ bool result;
- if (initialized) {
- return;
- }
- initialized = TRUE;
+ T((T_CALLED("enable_gpm_mouse(%d)"), enable));
- TR(MY_TRACE, ("_nc_mouse_init() called"));
+ 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;
+ T(("GPM open %s", result ? "succeeded" : "failed"));
+ } else {
+ if (!enable && SP->_mouse_active) {
+ /* GPM: close connection to gpm server */
+ my_Gpm_Close();
+ SP->_mouse_active = FALSE;
+ T(("GPM closed"));
+ }
+ result = FALSE;
+ }
+ returnBool(result);
+}
+#endif /* USE_GPM_SUPPORT */
- for (i = 0; i < EV_MAX; i++)
- events[i].id = INVALID_EVENT;
+#define xterm_kmous "\033[M"
- /* we know how to recognize mouse events under xterm */
- if (key_mouse != 0
- && getenv("DISPLAY") != 0)
- mousetype = M_XTERM;
+static void
+initialize_mousetype(void)
+{
+ T((T_CALLED("initialize_mousetype()")));
+ /* Try gpm first, because gpm may be configured to run in xterm */
#if USE_GPM_SUPPORT
- else if (!strncmp(cur_term->type.term_names, "linux", 5))
- {
- /* 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 = ~((1<<KG_SHIFT)|(1<<KG_SHIFTL)|(1<<KG_SHIFTR));
- if (Gpm_Open (&gpm_connect, 0) >= 0) { /* returns the file-descriptor */
- mousetype = M_GPM;
- SP->_mouse_fd = gpm_fd;
+ 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;
+ }
+ }
+#else /* !HAVE_LIBDL */
+ SP->_mouse_gpm_found = TRUE;
+#endif
+ SP->_mouse_gpm_loaded = TRUE;
+ }
+
+ /*
+ * The gpm_fd file-descriptor may be negative (xterm). So we have to
+ * 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));
+ returnVoid;
}
}
-#endif
+#endif /* USE_GPM_SUPPORT */
/* OS/2 VIO */
-#ifdef USE_EMX_MOUSE
- if (!mouse_thread && mousetype != M_XTERM && key_mouse) {
+#if USE_EMX_MOUSE
+ if (!SP->_emxmouse_thread
+ && strstr(cur_term->type.term_names, "xterm") == 0
+ && key_mouse) {
int handles[2];
+
if (pipe(handles) < 0) {
perror("mouse pipe error");
+ returnVoid;
} 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, mouse_server, 0, 0, 8192);
- if (rc)
+ rc = DosCreateThread((unsigned long *) &SP->_emxmouse_thread,
+ mouse_server, 0, 0, 8192);
+ if (rc) {
printf("mouse thread error %d=%#x", rc, rc);
- else
- mousetype = M_XTERM;
+ } else {
+ SP->_mouse_type = M_XTERM;
+ }
+ returnVoid;
}
}
-#endif
+#endif /* USE_EMX_MOUSE */
+
+#if USE_SYSMOUSE
+ {
+ struct mouse_info the_mouse;
+ char *the_device = 0;
+
+ 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);
- T(("_nc_mouse_init() set mousetype to %d", mousetype));
+ 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
+ * stream) only works if one opens the device as root. Even in
+ * that mode, careful examination shows we lose events
+ * occasionally. The interface provided for user programs is to
+ * establish a signal handler. really.
+ *
+ * Take over SIGUSR2 for this purpose since SIGUSR1 is more
+ * likely to be used by an application. getch() will have to
+ * handle the misleading EINTR's.
+ */
+ signal(SIGUSR2, SIG_IGN);
+ 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) {
+ signal(SIGUSR2, handle_sysmouse);
+ the_mouse.operation = MOUSE_SHOW;
+ ioctl(SP->_mouse_fd, CONS_MOUSECTL, &the_mouse);
+
+#if defined(FBIO_MODEINFO) || defined(CONS_MODEINFO) /* FreeBSD > 2.x */
+ {
+#ifndef FBIO_GETMODE /* FreeBSD 3.x */
+#define FBIO_GETMODE CONS_GET
+#define FBIO_MODEINFO CONS_MODEINFO
+#endif /* FBIO_GETMODE */
+ video_info_t the_video;
+
+ if (ioctl(SP->_mouse_fd,
+ FBIO_GETMODE,
+ &the_video.vi_mode) != -1
+ && 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;
+ }
+ }
+#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;
+ returnVoid;
+ }
+ }
+ }
+#endif /* USE_SYSMOUSE */
+
+ /* we know how to recognize mouse events under "xterm" */
+ if (key_mouse != 0) {
+ 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) {
+ if (_nc_add_to_try(&(SP->_keytry), xterm_kmous, KEY_MOUSE) == OK)
+ init_xterm_mouse();
+ }
+ returnVoid;
}
-static bool _nc_mouse_event(SCREEN *sp GCC_UNUSED)
-/* query to see if there is a pending mouse event */
+static bool
+_nc_mouse_init(void)
+/* initialize the mouse */
{
-#if USE_GPM_SUPPORT
- /* GPM: query server for event, return TRUE if we find one */
- Gpm_Event ev;
+ bool result = FALSE;
+ int i;
- if (gpm_fd >= 0
- && _nc_timed_wait(2, 0, (int *)0)
- && Gpm_GetEvent(&ev) == 1)
- {
- eventp->id = 0; /* there's only one mouse... */
+ if (SP != 0) {
+ if (!SP->_mouse_initialized) {
+ SP->_mouse_initialized = TRUE;
- eventp->bstate = 0;
- switch (ev.type & 0x0f)
+ TR(MY_TRACE, ("_nc_mouse_init() called"));
+
+ SP->_mouse_eventp = SP->_mouse_events;
+ for (i = 0; i < EV_MAX; i++)
+ SP->_mouse_events[i].id = INVALID_EVENT;
+
+ initialize_mousetype();
+
+ T(("_nc_mouse_init() set mousetype to %d", SP->_mouse_type));
+ }
+ result = SP->_mouse_initialized;
+ }
+ return result;
+}
+
+/*
+ * Query to see if there is a pending mouse event. This is called from
+ * fifo_push() in lib_getch.c
+ */
+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 */
+#if USE_EMX_MOUSE
{
- case(GPM_DOWN):
- if (ev.buttons & GPM_B_LEFT) eventp->bstate |= BUTTON1_PRESSED;
- if (ev.buttons & GPM_B_MIDDLE) eventp->bstate |= BUTTON2_PRESSED;
- if (ev.buttons & GPM_B_RIGHT) eventp->bstate |= BUTTON3_PRESSED;
- break;
- case(GPM_UP):
- if (ev.buttons & GPM_B_LEFT) eventp->bstate |= BUTTON1_RELEASED;
- if (ev.buttons & GPM_B_MIDDLE) eventp->bstate |= BUTTON2_RELEASED;
- if (ev.buttons & GPM_B_RIGHT) eventp->bstate |= BUTTON3_RELEASED;
- break;
- default:
- break;
+ char kbuf[3];
+
+ int i, res = read(M_FD(sp), &kbuf, 3); /* Eat the prefix */
+ if (res != 3)
+ printf("Got %d chars instead of 3 for prefix.\n", res);
+ for (i = 0; i < res; i++) {
+ if (kbuf[i] != key_mouse[i])
+ printf("Got char %d instead of %d for prefix.\n",
+ (int) kbuf[i], (int) key_mouse[i]);
+ }
+ result = TRUE;
}
+#endif /* USE_EMX_MOUSE */
+ break;
- eventp->x = ev.x - 1;
- eventp->y = ev.y - 1;
- eventp->z = 0;
+#if USE_GPM_SUPPORT
+ case M_GPM:
+ {
+ /* query server for event, return TRUE if we find one */
+ Gpm_Event ev;
+
+ if (my_Gpm_GetEvent(&ev) == 1) {
+ /* there's only one mouse... */
+ eventp->id = NORMAL_EVENT;
+
+ eventp->bstate = 0;
+ switch (ev.type & 0x0f) {
+ case (GPM_DOWN):
+ if (ev.buttons & GPM_B_LEFT)
+ eventp->bstate |= BUTTON1_PRESSED;
+ if (ev.buttons & GPM_B_MIDDLE)
+ eventp->bstate |= BUTTON2_PRESSED;
+ if (ev.buttons & GPM_B_RIGHT)
+ eventp->bstate |= BUTTON3_PRESSED;
+ break;
+ case (GPM_UP):
+ if (ev.buttons & GPM_B_LEFT)
+ eventp->bstate |= BUTTON1_RELEASED;
+ if (ev.buttons & GPM_B_MIDDLE)
+ eventp->bstate |= BUTTON2_RELEASED;
+ if (ev.buttons & GPM_B_RIGHT)
+ eventp->bstate |= BUTTON3_RELEASED;
+ break;
+ default:
+ break;
+ }
- /* bump the next-free pointer into the circular list */
- eventp = NEXT(eventp);
- return (TRUE);
- }
+ eventp->x = ev.x - 1;
+ eventp->y = ev.y - 1;
+ eventp->z = 0;
+
+ /* bump the next-free pointer into the circular list */
+ SP->_mouse_eventp = eventp = NEXT(eventp);
+ result = TRUE;
+ }
+ }
+ break;
#endif
- /* xterm: never have to query, mouse events are in the keyboard stream */
- return(FALSE); /* no event waiting */
+#if USE_SYSMOUSE
+ case M_SYSMOUSE:
+ 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;
+ }
+
+ /* bump the next-free pointer into the circular list */
+ SP->_mouse_eventp = eventp = NEXT(eventp);
+ result = TRUE;
+ }
+ break;
+#endif /* USE_SYSMOUSE */
+
+ case M_NONE:
+ break;
+ }
+
+ return result; /* true if we found an event */
}
-static bool _nc_mouse_inline(SCREEN *sp)
+static bool
+_nc_mouse_inline(SCREEN *sp)
/* mouse report received in the keyboard stream -- parse its info */
{
+ int b;
+ bool result = FALSE;
+ MEVENT *eventp = SP->_mouse_eventp;
+
TR(MY_TRACE, ("_nc_mouse_inline() called"));
- if (mousetype == M_XTERM)
- {
- unsigned char kbuf[4];
- MEVENT *prev;
- size_t grabbed;
- int res;
+ if (SP->_mouse_type == M_XTERM) {
+ unsigned char kbuf[4];
+ mmask_t prev;
+ size_t grabbed;
+ int res;
/* This code requires that your xterm entry contain the kmous
* capability and that it be set to the \E[M documented in the
* (End quote) By the time we get here, we've eaten the
* key prefix. FYI, the loop below is necessary because
* mouse click info isn't guaranteed to present as a
- * single clist item. It always does under Linux but often
- * fails to under Solaris.
+ * single clist item.
+ *
+ * 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 += res) {
- /* For VIO mouse we add extra bit 64 to disambiguate button-up. */
-#ifdef USE_EMX_MOUSE
- res = read( M_FD(sp) >= 0 ? M_FD(sp) : sp->_ifd, &kbuf, 3);
+ /* For VIO mouse we add extra bit 64 to disambiguate button-up. */
+#if USE_EMX_MOUSE
+ res = read(M_FD(sp) >= 0 ? M_FD(sp) : sp->_ifd, &kbuf, 3);
#else
- res = read(sp->_ifd, kbuf + grabbed, 3-grabbed);
+ res = read(sp->_ifd, kbuf + grabbed, 3 - grabbed);
#endif
- if (res == -1)
- break;
+ if (res == -1)
+ break;
}
kbuf[3] = '\0';
- TR(TRACE_IEVENT, ("_nc_mouse_inline sees the following xterm data: '%s'", kbuf));
+ TR(TRACE_IEVENT,
+ ("_nc_mouse_inline sees the following xterm data: '%s'", kbuf));
- eventp->id = 0; /* there's only one mouse... */
+ /* there's only one mouse... */
+ eventp->id = NORMAL_EVENT;
/* processing code goes here */
eventp->bstate = 0;
- switch (kbuf[0] & 0x3)
- {
- case 0x0:
- eventp->bstate = BUTTON1_PRESSED;
-#ifdef USE_EMX_MOUSE
- if (kbuf[0] & 0x40)
- eventp->bstate = BUTTON1_RELEASED;
+ prev = PREV(eventp)->bstate;
+
+#if USE_EMX_MOUSE
+#define PRESS_POSITION(n) \
+ eventp->bstate = MASK_PRESS(n); \
+ if (kbuf[0] & 0x40) \
+ eventp->bstate = MASK_RELEASE(n)
+#else
+#define PRESS_POSITION(n) \
+ eventp->bstate = (prev & MASK_PRESS(n) \
+ ? REPORT_MOUSE_POSITION \
+ : MASK_PRESS(n))
#endif
+
+ switch (kbuf[0] & 0x3) {
+ case 0x0:
+ if (kbuf[0] & 64)
+ eventp->bstate = MASK_PRESS(4);
+ else
+ PRESS_POSITION(1);
break;
case 0x1:
- eventp->bstate = BUTTON2_PRESSED;
-#ifdef USE_EMX_MOUSE
- if (kbuf[0] & 0x40)
- eventp->bstate = BUTTON2_RELEASED;
+#if NCURSES_MOUSE_VERSION == 2
+ if (kbuf[0] & 64)
+ eventp->bstate = MASK_PRESS(5);
+ else
#endif
+ PRESS_POSITION(2);
break;
case 0x2:
- eventp->bstate = BUTTON3_PRESSED;
-#ifdef USE_EMX_MOUSE
- if (kbuf[0] & 0x40)
- eventp->bstate = BUTTON3_RELEASED;
-#endif
+ PRESS_POSITION(3);
break;
case 0x3:
/*
- * Release events aren't reported for individual buttons,
- * just for the button set as a whole...
+ * Release events aren't reported for individual buttons, just for
+ * the button set as a whole. However, because there are normally
+ * no mouse events under xterm that intervene between press and
+ * release, we can infer the button actually released by looking at
+ * the previous event.
*/
- eventp->bstate =
- (BUTTON1_RELEASED |
- BUTTON2_RELEASED |
- BUTTON3_RELEASED);
- /*
- * ...however, because there are no kinds of mouse events under
- * xterm that can intervene between press and release, we can
- * deduce which buttons were actually released by looking at the
- * previous event.
- */
- prev = PREV(eventp);
- if (!(prev->bstate & BUTTON1_PRESSED))
- eventp->bstate &=~ BUTTON1_RELEASED;
- if (!(prev->bstate & BUTTON2_PRESSED))
- eventp->bstate &=~ BUTTON2_RELEASED;
- if (!(prev->bstate & BUTTON3_PRESSED))
- eventp->bstate &=~ BUTTON3_RELEASED;
+ if (prev & (BUTTON_PRESSED | BUTTON_RELEASED)) {
+ eventp->bstate = BUTTON_RELEASED;
+ for (b = 1; b <= MAX_BUTTONS; ++b) {
+ if (!(prev & MASK_PRESS(b)))
+ eventp->bstate &= ~MASK_RELEASE(b);
+ }
+ } else {
+ /*
+ * XFree86 xterm will return a stream of release-events to
+ * let the application know where the mouse is going, if the
+ * private mode 1002 or 1003 is enabled.
+ */
+ eventp->bstate = REPORT_MOUSE_POSITION;
+ }
break;
}
+ result = (eventp->bstate & REPORT_MOUSE_POSITION) ? TRUE : FALSE;
if (kbuf[0] & 4) {
eventp->bstate |= BUTTON_SHIFT;
eventp->x = (kbuf[1] - ' ') - 1;
eventp->y = (kbuf[2] - ' ') - 1;
- TR(MY_TRACE, ("_nc_mouse_inline: primitive mouse-event %s has slot %ld",
- _tracemouse(eventp),
- (long) (eventp - events)));
+ TR(MY_TRACE,
+ ("_nc_mouse_inline: primitive mouse-event %s has slot %ld",
+ _tracemouse(eventp),
+ (long) (eventp - SP->_mouse_events)));
/* bump the next-free pointer into the circular list */
- eventp = NEXT(eventp);
-#if 0 /* this return would be needed for QNX's mods to lib_getch.c */
- return(TRUE);
+ SP->_mouse_eventp = NEXT(eventp);
+#if 0 /* this return would be needed for QNX's mods to lib_getch.c */
+ return (TRUE);
#endif
}
- return(FALSE);
+ return (result);
}
-static void mouse_activate(bool on)
+static void
+mouse_activate(bool on)
{
- if (!on && !initialized)
+ if (!on && !SP->_mouse_initialized)
return;
- _nc_mouse_init();
+ if (!_nc_mouse_init())
+ return;
if (on) {
- switch (mousetype) {
+ switch (SP->_mouse_type) {
case M_XTERM:
-#ifdef NCURSES_EXT_FUNCS
+#if NCURSES_EXT_FUNCS
keyok(KEY_MOUSE, on);
#endif
TPUTS_TRACE("xterm mouse initialization");
-#ifdef USE_EMX_MOUSE
- server_state(1);
-#else
- putp("\033[?1000h");
-#endif
+ enable_xterm_mouse(1);
break;
#if USE_GPM_SUPPORT
case M_GPM:
- SP->_mouse_fd = gpm_fd;
+ if (enable_gpm_mouse(1)) {
+ 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;
+ break;
+#endif
+ case M_NONE:
+ return;
}
/* 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_event = _nc_mouse_event;
SP->_mouse_inline = _nc_mouse_inline;
- SP->_mouse_parse = _nc_mouse_parse;
+ SP->_mouse_parse = _nc_mouse_parse;
SP->_mouse_resume = _nc_mouse_resume;
- SP->_mouse_wrap = _nc_mouse_wrap;
-
+ SP->_mouse_wrap = _nc_mouse_wrap;
} else {
- switch (mousetype) {
+ switch (SP->_mouse_type) {
case M_XTERM:
TPUTS_TRACE("xterm mouse deinitialization");
-#ifdef USE_EMX_MOUSE
- server_state(0);
-#else
- putp("\033[?1000l");
-#endif
+ enable_xterm_mouse(0);
break;
#if USE_GPM_SUPPORT
case M_GPM:
+ enable_gpm_mouse(0);
+ break;
+#endif
+#if USE_SYSMOUSE
+ case M_SYSMOUSE:
+ signal(SIGUSR2, SIG_IGN);
+ SP->_mouse_active = FALSE;
break;
#endif
+ case M_NONE:
+ return;
}
}
_nc_flush();
*
**************************************************************************/
-static bool _nc_mouse_parse(int runcount)
+static bool
+_nc_mouse_parse(int runcount)
/* parse a run of atomic mouse events into a gesture */
{
- MEVENT *ep, *runp, *next, *prev = PREV(eventp);
- int n;
- bool merge;
+ MEVENT *eventp = SP->_mouse_eventp;
+ MEVENT *ep, *runp, *next, *prev = PREV(eventp);
+ int n;
+ int b;
+ bool merge;
TR(MY_TRACE, ("_nc_mouse_parse(%d) called", runcount));
* When we enter this routine, the event list next-free pointer
* points just past a run of mouse events that we know were separated
* in time by less than the critical click interval. The job of this
- * routine is to collaps this run into a single higher-level event
+ * routine is to collapse this run into a single higher-level event
* or gesture.
*
* We accomplish this in two passes. The first pass merges press/release
* button basis, as long as the device-dependent mouse code puts stuff
* on the queue in MEVENT format.
*/
- if (runcount == 1)
- {
- TR(MY_TRACE, ("_nc_mouse_parse: returning simple mouse event %s at slot %ld",
- _tracemouse(prev),
- (long) (prev - events)));
- return (prev->id >= 0)
- ? ((prev->bstate & eventmask) ? TRUE : FALSE)
- : FALSE;
+ if (runcount == 1) {
+ TR(MY_TRACE,
+ ("_nc_mouse_parse: returning simple mouse event %s at slot %ld",
+ _tracemouse(prev),
+ (long) (prev - SP->_mouse_events)));
+ return (prev->id >= NORMAL_EVENT)
+ ? ((prev->bstate & SP->_mouse_mask) ? TRUE : FALSE)
+ : FALSE;
}
/* find the start of the run */
}
#ifdef TRACE
- if (_nc_tracing & TRACE_IEVENT)
- {
+ 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,
- runcount);
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ runcount);
}
#endif /* TRACE */
/* first pass; merge press/release pairs */
do {
merge = FALSE;
- for (ep = runp; next = NEXT(ep), next != eventp; ep = next)
- {
+ for (ep = runp; (next = NEXT(ep)) != eventp; ep = next) {
+
+#define MASK_CHANGED(x) (!(ep->bstate & MASK_PRESS(x)) \
+ == !(next->bstate & MASK_RELEASE(x)))
+
if (ep->x == next->x && ep->y == next->y
- && (ep->bstate & (BUTTON1_PRESSED|BUTTON2_PRESSED|BUTTON3_PRESSED))
- && (!(ep->bstate & BUTTON1_PRESSED)
- == !(next->bstate & BUTTON1_RELEASED))
- && (!(ep->bstate & BUTTON2_PRESSED)
- == !(next->bstate & BUTTON2_RELEASED))
- && (!(ep->bstate & BUTTON3_PRESSED)
- == !(next->bstate & BUTTON3_RELEASED))
- )
- {
- if ((eventmask & BUTTON1_CLICKED)
- && (ep->bstate & BUTTON1_PRESSED))
- {
- ep->bstate &=~ BUTTON1_PRESSED;
- ep->bstate |= BUTTON1_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON2_CLICKED)
- && (ep->bstate & BUTTON2_PRESSED))
- {
- ep->bstate &=~ BUTTON2_PRESSED;
- ep->bstate |= BUTTON2_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON3_CLICKED)
- && (ep->bstate & BUTTON3_PRESSED))
- {
- ep->bstate &=~ BUTTON3_PRESSED;
- ep->bstate |= BUTTON3_CLICKED;
- merge = TRUE;
+ && (ep->bstate & BUTTON_PRESSED)
+ && MASK_CHANGED(1)
+ && MASK_CHANGED(2)
+ && MASK_CHANGED(3)
+ && MASK_CHANGED(4)
+#if NCURSES_MOUSE_VERSION == 2
+ && MASK_CHANGED(5)
+#endif
+ ) {
+ for (b = 1; b <= MAX_BUTTONS; ++b) {
+ if ((SP->_mouse_mask & MASK_CLICK(b))
+ && (ep->bstate & MASK_PRESS(b))) {
+ ep->bstate &= ~MASK_PRESS(b);
+ ep->bstate |= MASK_CLICK(b);
+ merge = TRUE;
+ }
}
if (merge)
next->id = INVALID_EVENT;
(merge);
#ifdef TRACE
- if (_nc_tracing & TRACE_IEVENT)
- {
+ 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,
- runcount);
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ runcount);
}
#endif /* TRACE */
* which would get us into portability trouble.
*/
do {
- MEVENT *follower;
+ MEVENT *follower;
merge = FALSE;
- for (ep = runp; next = NEXT(ep), next != eventp; ep = next)
- if (ep->id != INVALID_EVENT)
- {
+ for (ep = runp; (next = NEXT(ep)) != eventp; ep = next)
+ if (ep->id != INVALID_EVENT) {
if (next->id != INVALID_EVENT)
continue;
follower = NEXT(next);
continue;
/* merge click events forward */
- if ((ep->bstate &
- (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED))
- && (follower->bstate &
- (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED)))
- {
- if ((eventmask & BUTTON1_DOUBLE_CLICKED)
- && (follower->bstate & BUTTON1_CLICKED))
- {
- follower->bstate &=~ BUTTON1_CLICKED;
- follower->bstate |= BUTTON1_DOUBLE_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON2_DOUBLE_CLICKED)
- && (follower->bstate & BUTTON2_CLICKED))
- {
- follower->bstate &=~ BUTTON2_CLICKED;
- follower->bstate |= BUTTON2_DOUBLE_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON3_DOUBLE_CLICKED)
- && (follower->bstate & BUTTON3_CLICKED))
- {
- follower->bstate &=~ BUTTON3_CLICKED;
- follower->bstate |= BUTTON3_DOUBLE_CLICKED;
- merge = TRUE;
+ if ((ep->bstate & BUTTON_CLICKED)
+ && (follower->bstate & BUTTON_CLICKED)) {
+ for (b = 1; b <= MAX_BUTTONS; ++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);
+ merge = TRUE;
+ }
}
if (merge)
ep->id = INVALID_EVENT;
}
/* merge double-click events forward */
- if ((ep->bstate &
- (BUTTON1_DOUBLE_CLICKED
- | BUTTON2_DOUBLE_CLICKED
- | BUTTON3_DOUBLE_CLICKED))
- && (follower->bstate &
- (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED)))
- {
- if ((eventmask & BUTTON1_TRIPLE_CLICKED)
- && (follower->bstate & BUTTON1_CLICKED))
- {
- follower->bstate &=~ BUTTON1_CLICKED;
- follower->bstate |= BUTTON1_TRIPLE_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON2_TRIPLE_CLICKED)
- && (follower->bstate & BUTTON2_CLICKED))
- {
- follower->bstate &=~ BUTTON2_CLICKED;
- follower->bstate |= BUTTON2_TRIPLE_CLICKED;
- merge = TRUE;
- }
- if ((eventmask & BUTTON3_TRIPLE_CLICKED)
- && (follower->bstate & BUTTON3_CLICKED))
- {
- follower->bstate &=~ BUTTON3_CLICKED;
- follower->bstate |= BUTTON3_TRIPLE_CLICKED;
- merge = TRUE;
+ 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))
+ && (follower->bstate & MASK_CLICK(b))) {
+ follower->bstate &= ~MASK_CLICK(b);
+ follower->bstate |= MASK_TRIPLE_CLICK(b);
+ merge = TRUE;
+ }
}
if (merge)
ep->id = INVALID_EVENT;
(merge);
#ifdef TRACE
- if (_nc_tracing & TRACE_IEVENT)
- {
+ 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,
- runcount);
+ (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)
- {
+ 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,
- runcount);
+ (long) (runp - SP->_mouse_events),
+ (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX,
+ runcount);
}
for (ep = runp; ep != eventp; ep = NEXT(ep))
if (ep->id != INVALID_EVENT)
- TR(MY_TRACE, ("_nc_mouse_parse: returning composite mouse event %s at slot %ld",
+ 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? */
- return(PREV(eventp)->id != INVALID_EVENT);
+ return (PREV(eventp)->id != INVALID_EVENT);
}
-static void _nc_mouse_wrap(SCREEN *sp GCC_UNUSED)
+static void
+_nc_mouse_wrap(SCREEN *sp GCC_UNUSED)
/* release mouse -- called by endwin() before shellout/exit */
{
TR(MY_TRACE, ("_nc_mouse_wrap() called"));
- switch (mousetype) {
+ 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:
- break;
+ case M_GPM:
+ if (SP->_mouse_mask)
+ mouse_activate(FALSE);
+ break;
+#endif
+#if USE_SYSMOUSE
+ case M_SYSMOUSE:
+ mouse_activate(FALSE);
+ break;
#endif
+ case M_NONE:
+ break;
}
}
-static void _nc_mouse_resume(SCREEN *sp GCC_UNUSED)
+static void
+_nc_mouse_resume(SCREEN *sp GCC_UNUSED)
/* re-connect to mouse -- called by doupdate() after shellout */
{
TR(MY_TRACE, ("_nc_mouse_resume() called"));
- /* xterm: re-enable reporting */
- if (mousetype == M_XTERM && eventmask)
- mouse_activate(TRUE);
+ switch (SP->_mouse_type) {
+ case M_XTERM:
+ /* xterm: re-enable reporting */
+ if (SP->_mouse_mask)
+ mouse_activate(TRUE);
+ break;
+
+#if USE_GPM_SUPPORT
+ case M_GPM:
+ /* GPM: reclaim our event set */
+ if (SP->_mouse_mask)
+ mouse_activate(TRUE);
+ break;
+#endif
- /* GPM: reclaim our event set */
+#if USE_SYSMOUSE
+ case M_SYSMOUSE:
+ mouse_activate(TRUE);
+ break;
+#endif
+ case M_NONE:
+ break;
+ }
}
/**************************************************************************
*
**************************************************************************/
-int getmouse(MEVENT *aevent)
+NCURSES_EXPORT(int)
+getmouse(MEVENT * aevent)
/* grab a copy of the current mouse event */
{
T((T_CALLED("getmouse(%p)"), aevent));
- if (aevent && (mousetype != 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);
+ MEVENT *prev = PREV(eventp);
/* copy the event we find there */
*aevent = *prev;
TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld",
- _tracemouse(prev),
- (long) (prev - events)));
+ _tracemouse(prev),
+ (long) (prev - SP->_mouse_events)));
prev->id = INVALID_EVENT; /* so the queue slot becomes free */
returnCode(OK);
returnCode(ERR);
}
-int ungetmouse(MEVENT *aevent)
+NCURSES_EXPORT(int)
+ungetmouse(MEVENT * aevent)
/* enqueue a synthesized mouse event to be seen by the next wgetch() */
{
- /* stick the given event in the next-free slot */
- *eventp = *aevent;
+ int result = ERR;
+
+ T((T_CALLED("ungetmouse(%p)"), aevent));
+
+ 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 */
- eventp = NEXT(eventp);
+ /* bump the next-free pointer into the circular list */
+ SP->_mouse_eventp = NEXT(eventp);
- /* push back the notification event on the keyboard queue */
- return ungetch(KEY_MOUSE);
+ /* push back the notification event on the keyboard queue */
+ result = ungetch(KEY_MOUSE);
+ }
+ returnCode(result);
}
-mmask_t mousemask(mmask_t newmask, mmask_t *oldmask)
+NCURSES_EXPORT(mmask_t)
+mousemask(mmask_t newmask, mmask_t * oldmask)
/* set the mouse event mask */
{
mmask_t result = 0;
- T((T_CALLED("mousemask(%#lx,%p)"), newmask, oldmask));
-
- if (oldmask)
- *oldmask = eventmask;
+ T((T_CALLED("mousemask(%#lx,%p)"), (unsigned long) newmask, oldmask));
- if (!newmask && !initialized)
- returnCode(0);
-
- _nc_mouse_init();
- if ( mousetype != M_NONE )
- {
- eventmask = newmask &
- (BUTTON_ALT | BUTTON_CTRL | BUTTON_SHIFT
- | BUTTON1_PRESSED | BUTTON1_RELEASED | BUTTON1_CLICKED
- | BUTTON1_DOUBLE_CLICKED | BUTTON1_TRIPLE_CLICKED
- | BUTTON2_PRESSED | BUTTON2_RELEASED | BUTTON2_CLICKED
- | BUTTON2_DOUBLE_CLICKED | BUTTON2_TRIPLE_CLICKED
- | BUTTON3_PRESSED | BUTTON3_RELEASED | BUTTON3_CLICKED
- | BUTTON3_DOUBLE_CLICKED | BUTTON3_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;
}
-
- returnCode(result);
+ returnBits(result);
}
-bool wenclose(const WINDOW *win, int y, int x)
+NCURSES_EXPORT(bool)
+wenclose(const WINDOW *win, int y, int x)
/* check to see if given window encloses given screen location */
{
- if (win)
- {
+ bool result = FALSE;
+
+ T((T_CALLED("wenclose(%p,%d,%d)"), win, y, x));
+
+ if (win != 0) {
y -= win->_yoffset;
- return ((win->_begy <= y &&
- win->_begx <= x &&
- (win->_begx + win->_maxx) >= x &&
- (win->_begy + win->_maxy) >= y) ? TRUE : FALSE);
+ result = ((win->_begy <= y &&
+ win->_begx <= x &&
+ (win->_begx + win->_maxx) >= x &&
+ (win->_begy + win->_maxy) >= y) ? TRUE : FALSE);
}
- return FALSE;
+ returnBool(result);
}
-int mouseinterval(int maxclick)
+NCURSES_EXPORT(int)
+mouseinterval(int maxclick)
/* set the maximum mouse interval within which to recognize a click */
{
int oldval;
+ T((T_CALLED("mouseinterval(%d)"), maxclick));
+
if (SP != 0) {
oldval = SP->_maxclick;
if (maxclick >= 0)
oldval = DEFAULT_MAXCLICK;
}
- return(oldval);
+ returnCode(oldval);
}
/* This may be used by other routines to ask for the existence of mouse
support */
-int _nc_has_mouse(void) {
- return (mousetype==M_NONE ? 0:1);
+NCURSES_EXPORT(int)
+_nc_has_mouse(void)
+{
+ return (SP->_mouse_type == M_NONE ? 0 : 1);
}
-bool wmouse_trafo(const WINDOW* win, int* pY, int* pX, bool to_screen)
+NCURSES_EXPORT(bool)
+wmouse_trafo(const WINDOW *win, int *pY, int *pX, bool to_screen)
{
- bool result = FALSE;
+ bool result = FALSE;
- if (win && pY && pX)
- {
- int y = *pY; int x = *pX;
+ T((T_CALLED("wmouse_trafo(%p,%p,%p,%d)"), win, pY, pX, to_screen));
- if (to_screen)
- {
- y += win->_begy + win->_yoffset;
- x += win->_begx;
- if (wenclose(win,y,x))
- result = TRUE;
- }
- else
- {
- if (wenclose(win,y,x))
- {
- y -= (win->_begy + win->_yoffset);
- x -= win->_begx;
- result = TRUE;
+ if (win && pY && pX) {
+ int y = *pY;
+ int x = *pX;
+
+ if (to_screen) {
+ y += win->_begy + win->_yoffset;
+ x += win->_begx;
+ if (wenclose(win, y, x))
+ result = TRUE;
+ } else {
+ if (wenclose(win, y, x)) {
+ y -= (win->_begy + win->_yoffset);
+ x -= win->_begx;
+ result = TRUE;
}
}
- if (result)
- {
- *pX = x;
- *pY = y;
+ if (result) {
+ *pX = x;
+ *pY = y;
}
}
- return(result);
+ returnBool(result);
}
-
-/* lib_mouse.c ends here */
projects / ncurses.git / blobdiff