diff options
Diffstat (limited to 'lib/libcurses/base/lib_mouse.c')
| -rw-r--r-- | lib/libcurses/base/lib_mouse.c | 1180 |
1 files changed, 804 insertions, 376 deletions
diff --git a/lib/libcurses/base/lib_mouse.c b/lib/libcurses/base/lib_mouse.c index a6108e32517..fe5278dd0df 100644 --- a/lib/libcurses/base/lib_mouse.c +++ b/lib/libcurses/base/lib_mouse.c @@ -1,7 +1,7 @@ -/* $OpenBSD: lib_mouse.c,v 1.13 2001/01/22 18:01:41 millert Exp $ */ +/* $OpenBSD: lib_mouse.c,v 1.14 2010/01/12 23:22:06 nicm Exp $ */ /**************************************************************************** - * Copyright (c) 1998,1999,2000 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 * @@ -31,14 +31,18 @@ /**************************************************************************** * 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: * @@ -76,82 +80,131 @@ #endif #include <curses.priv.h> + +MODULE_ID("$Id: lib_mouse.c,v 1.14 2010/01/12 23:22:06 nicm Exp $") + #include <term.h> +#include <tic.h> #if USE_GPM_SUPPORT -#ifndef LINT /* don't need this for llib-lncurses */ -#undef buttons /* term.h defines this, and gpm uses it! */ -#include <gpm.h> #include <linux/keyboard.h> /* defines KG_* macros */ + +#ifdef HAVE_LIBDL +/* use dynamic loader to avoid linkage dependency */ +#include <dlfcn.h> + +#ifdef RTLD_NOW +#define my_RTLD RTLD_NOW +#else +#ifdef RTLD_LAZY +#define my_RTLD RTLD_LAZY +#else +make an error #endif +#endif /* RTLD_NOW */ +#endif /* HAVE_LIBDL */ + +#endif /* USE_GPM_SUPPORT */ + +#if USE_SYSMOUSE +#undef buttons /* symbol conflict in consio.h */ +#undef mouse_info /* symbol conflict in consio.h */ +#include <osreldate.h> +#if (__FreeBSD_version >= 400017) +#include <sys/consio.h> +#include <sys/fbio.h> +#else +#include <machine/console.h> #endif - -MODULE_ID("$From: lib_mouse.c,v 1.57 2000/12/10 02:43:27 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(SP->_dlopen_gpm, #name)) -static bool _nc_mouse_parse(int); +#endif /* USE_GPM_SUPPORT */ + +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 */ -/* 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) +#define FirstEV(sp) ((sp)->_mouse_events) +#define LastEV(sp) ((sp)->_mouse_events + EV_MAX - 1) + +#undef NEXT +#define NEXT(ep) ((ep >= LastEV(sp)) \ + ? FirstEV(sp) \ + : ep + 1) + +#undef PREV +#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 = events; ep < events + EV_MAX; ep++) + for (ep = FirstEV(sp); ep <= LastEV(sp); ep++) _tracef("mouse event queue slot %ld = %s", - (long) (ep - events), - _tracemouse(ep)); + (long) IndexEV(sp, ep), + _nc_tracemouse(sp, 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 -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; @@ -160,12 +213,13 @@ 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(mouse_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; @@ -189,11 +243,10 @@ mouse_server(unsigned long ignored GCC_UNUSED) /* sit and wait on the event queue */ rc = MouReadEventQue(&mouev, &fWait, hmou); if (rc) { - snprintf(err, sizeof(err), - "Error reading mouse queue, rc=%lu.\r\n", rc); + snprintf(err, sizeof(err), "Error reading mouse queue, rc=%lu.\r\n", rc); break; } - if (!mouse_activated) + if (!sp->_emxmouse_activated) goto finish; /* @@ -204,22 +257,21 @@ mouse_server(unsigned long ignored GCC_UNUSED) * 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(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, - mouse_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, - mouse_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; } } else - snprintf(err, sizeof(err), - "Error setting event mask, buttons=%d, rc=%lu.\r\n", - nbuttons, rc); + snprintf(err, sizeof(err), "Error setting event mask, buttons=%d, rc=%lu.\r\n", + nbuttons, rc); DosWrite(2, err, strlen(err), &rc); MouClose(hmou); @@ -227,185 +279,508 @@ mouse_server(unsigned long ignored GCC_UNUSED) DosExit(EXIT_THREAD, 0L); } +#endif /* USE_EMX_MOUSE */ + +#if USE_SYSMOUSE static void -server_state(const int state) -{ /* It would be nice to implement pointer-off and stop looping... */ - mouse_activated = state; +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; + } + 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; + } } +static void +handle_sysmouse(int sig GCC_UNUSED) +{ + sysmouse_server(SP); +} +#endif /* USE_SYSMOUSE */ + +static 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%;"; +} + +static void +enable_xterm_mouse(SCREEN *sp, 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 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"); + 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 -initialize_mousetype(void) +unload_gpm_library(SCREEN *sp) { - static const char *xterm_kmous = "\033[M"; + 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; + } +} + +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, bool enable) +{ + bool result; + + T((T_CALLED("enable_gpm_mouse(%d)"), enable)); + + 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) { + /* GPM: close connection to gpm server */ + my_Gpm_Close(); + sp->_mouse_active = FALSE; + T(("GPM closed")); + } + result = enable; + } +#ifdef HAVE_LIBDL + if (!result) { + unload_gpm_library(sp); + } +#endif + returnBool(result); +} +#endif /* USE_GPM_SUPPORT */ + +#define xterm_kmous "\033[M" + +static 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 - /* 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; - return; - } + if (allow_gpm_mouse()) { + if (!sp->_mouse_gpm_loaded) { +#ifdef HAVE_LIBDL + load_gpm_library(sp); +#else /* !HAVE_LIBDL */ + sp->_mouse_gpm_found = TRUE; + sp->_mouse_gpm_loaded = TRUE; #endif + } + + /* + * 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(sp, TRUE)) { + sp->_mouse_type = M_GPM; + sp->_mouse_fd = *(my_gpm_fd); + T(("GPM mouse_fd %d", sp->_mouse_fd)); + returnVoid; + } + } +#endif /* USE_GPM_SUPPORT */ /* OS/2 VIO */ -#ifdef USE_EMX_MOUSE - if (!mouse_thread +#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"); - return; + 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]; - 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 *) &mouse_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); - return; } else { - mousetype = M_XTERM; - return; + 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); + + 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)) { - mousetype = M_XTERM; - return; + if (!strcmp(key_mouse, xterm_kmous) + || strstr(cur_term->type.term_names, "xterm") != 0) { + init_xterm_mouse(sp); } } else if (strstr(cur_term->type.term_names, "xterm") != 0) { - (void) _nc_add_to_try(&(SP->_keytry), xterm_kmous, KEY_MOUSE); - mousetype = M_XTERM; - return; + if (_nc_add_to_try(&(sp->_keytry), xterm_kmous, KEY_MOUSE) == OK) + init_xterm_mouse(sp); } + returnVoid; } -static void -_nc_mouse_init(void) +static bool +_nc_mouse_init(SCREEN *sp) /* initialize the mouse */ { + bool result = FALSE; int i; - if (!initialized) { - 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 = FirstEV(sp); + for (i = 0; i < EV_MAX; i++) + sp->_mouse_events[i].id = INVALID_EVENT; - initialize_mousetype(); + initialize_mousetype(sp); - T(("_nc_mouse_init() set mousetype to %d", 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) -/* query to see if there is a pending mouse event */ +_nc_mouse_event(SCREEN *sp GCC_UNUSED) { -#if USE_GPM_SUPPORT - /* GPM: query server for event, return TRUE if we find one */ - Gpm_Event ev; + MEVENT *eventp = sp->_mouse_eventp; + bool result = FALSE; - if (gpm_fd >= 0 - && (_nc_timed_wait(3, 0, (int *) 0) & 2) != 0 - && Gpm_GetEvent(&ev) == 1) { - eventp->id = 0; /* there's only one mouse... */ + (void) eventp; - 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; + switch (sp->_mouse_type) { + case M_XTERM: + /* xterm: never have to query, mouse events are in the keyboard stream */ +#if USE_EMX_MOUSE + { + 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; + +#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; + } - eventp->x = ev.x - 1; - eventp->y = ev.y - 1; - eventp->z = 0; + eventp->x = ev.x - 1; + eventp->y = ev.y - 1; + eventp->z = 0; - /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); - return (TRUE); - } + /* bump the next-free pointer into the circular list */ + sp->_mouse_eventp = eventp = NEXT(eventp); + result = TRUE; + } + } + break; #endif -#ifdef USE_EMX_MOUSE - if (SP->_mouse_fd >= 0 - && (_nc_timed_wait(3, 0, (int *) 0) & 2) != 0) { - 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]); +#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; } - return TRUE; + break; +#endif /* USE_SYSMOUSE */ + + case M_NONE: + break; } -#endif /* USE_EMX_MOUSE */ - /* xterm: never have to query, mouse events are in the keyboard stream */ - return (FALSE); /* no event waiting */ + return result; /* true if we found an event */ } static bool -_nc_mouse_inline(SCREEN * sp) +_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) { + if (sp->_mouse_type == M_XTERM) { unsigned char kbuf[4]; - MEVENT *prev; + mmask_t prev; size_t grabbed; int res; @@ -436,13 +811,15 @@ _nc_mouse_inline(SCREEN * sp) * (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 += (size_t) res) { /* For VIO mouse we add extra bit 64 to disambiguate button-up. */ -#ifdef USE_EMX_MOUSE +#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); @@ -455,59 +832,71 @@ _nc_mouse_inline(SCREEN * sp) 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; + 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 = (mmask_t) (prev & MASK_PRESS(n) \ + ? REPORT_MOUSE_POSITION \ + : MASK_PRESS(n)) +#endif + switch (kbuf[0] & 0x3) { case 0x0: - eventp->bstate = BUTTON1_PRESSED; -#ifdef USE_EMX_MOUSE - if (kbuf[0] & 0x40) - eventp->bstate = BUTTON1_RELEASED; -#endif + 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... - */ - 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. + * 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. */ - 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; @@ -523,71 +912,83 @@ _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 - events))); + _nc_tracemouse(sp, eventp), + (long) IndexEV(sp, eventp))); /* 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 } - return (FALSE); + return (result); } static void -mouse_activate(bool on) +mouse_activate(SCREEN *sp, bool on) { - if (!on && !initialized) + if (!on && !sp->_mouse_initialized) return; - _nc_mouse_init(); + if (!_nc_mouse_init(sp)) + return; if (on) { - switch (mousetype) { + switch (sp->_mouse_type) { case M_XTERM: #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(sp, 1); break; #if USE_GPM_SUPPORT case M_GPM: - SP->_mouse_fd = gpm_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; + 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_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 (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(sp, 0); break; #if USE_GPM_SUPPORT case M_GPM: + enable_gpm_mouse(sp, FALSE); + break; +#endif +#if USE_SYSMOUSE + case M_SYSMOUSE: + signal(SIGUSR2, SIG_IGN); + sp->_mouse_active = FALSE; break; #endif + case M_NONE: + return; } } _nc_flush(); @@ -600,11 +1001,13 @@ 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 *ep, *runp, *next, *prev = PREV(eventp); int n; + int b; bool merge; TR(MY_TRACE, ("_nc_mouse_parse(%d) called", runcount)); @@ -613,7 +1016,7 @@ _nc_mouse_parse(int 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 @@ -633,10 +1036,10 @@ _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 - events))); - return (prev->id >= 0) - ? ((prev->bstate & eventmask) ? TRUE : FALSE) + _nc_tracemouse(sp, prev), + (long) IndexEV(sp, prev))); + return (prev->id >= NORMAL_EVENT) + ? ((prev->bstate & sp->_mouse_mask) ? TRUE : FALSE) : FALSE; } @@ -647,45 +1050,40 @@ _nc_mouse_parse(int runcount) } #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { - _trace_slot("before mouse press/release merge:"); + if (USE_TRACEF(TRACE_IEVENT)) { + _trace_slot(sp, "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, + RunParams(sp, eventp, runp), runcount); + _nc_unlock_global(tracef); } #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)) + && (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 ) { - 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; + 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; @@ -695,12 +1093,12 @@ _nc_mouse_parse(int runcount) (merge); #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { - _trace_slot("before mouse click merge:"); + if (USE_TRACEF(TRACE_IEVENT)) { + _trace_slot(sp, "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, + RunParams(sp, eventp, runp), runcount); + _nc_unlock_global(tracef); } #endif /* TRACE */ @@ -724,7 +1122,7 @@ _nc_mouse_parse(int runcount) MEVENT *follower; merge = FALSE; - for (ep = runp; next = NEXT(ep), next != eventp; ep = next) + for (ep = runp; (next = NEXT(ep)) != eventp; ep = next) if (ep->id != INVALID_EVENT) { if (next->id != INVALID_EVENT) continue; @@ -733,56 +1131,30 @@ _nc_mouse_parse(int runcount) 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; @@ -792,12 +1164,12 @@ _nc_mouse_parse(int runcount) (merge); #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { - _trace_slot("before mouse event queue compaction:"); + if (USE_TRACEF(TRACE_IEVENT)) { + _trace_slot(sp, "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, + RunParams(sp, eventp, runp), runcount); + _nc_unlock_global(tracef); } #endif /* TRACE */ @@ -806,23 +1178,23 @@ _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 & 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:"); + if (USE_TRACEF(TRACE_IEVENT)) { + _trace_slot(sp, "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, + RunParams(sp, eventp, runp), runcount); + _nc_unlock_global(tracef); } 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", - _tracemouse(ep), - (long) (ep - events))); + _nc_tracemouse(sp, ep), + (long) IndexEV(sp, ep))); #endif /* TRACE */ /* after all this, do we have a valid event? */ @@ -830,35 +1202,62 @@ _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 (mousetype) { + switch (sp->_mouse_type) { case M_XTERM: - if (eventmask) - 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(sp, FALSE); + break; +#endif +#if USE_SYSMOUSE + case M_SYSMOUSE: + mouse_activate(sp, FALSE); break; #endif + case M_NONE: + break; } } 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")); - /* 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(sp, TRUE); + break; - /* GPM: reclaim our event set */ +#if USE_GPM_SUPPORT + case M_GPM: + /* GPM: reclaim our event set */ + if (sp->_mouse_mask) + mouse_activate(sp, TRUE); + break; +#endif + +#if USE_SYSMOUSE + case M_SYSMOUSE: + mouse_activate(sp, TRUE); + break; +#endif + case M_NONE: + break; + } } /************************************************************************** @@ -867,13 +1266,13 @@ _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 && (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); @@ -881,8 +1280,8 @@ getmouse(MEVENT * aevent) *aevent = *prev; TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld", - _tracemouse(prev), - (long) (prev - events))); + _nc_tracemouse(sp, prev), + (long) IndexEV(sp, prev))); prev->id = INVALID_EVENT; /* so the queue slot becomes free */ returnCode(OK); @@ -890,18 +1289,40 @@ 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) { - /* stick the given event in the next-free slot */ - *eventp = *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; + + /* 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); - /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); + /* push back the notification event on the keyboard queue */ + result = _nc_ungetch(sp, KEY_MOUSE); + } + returnCode(result); +} - /* push back the notification event on the keyboard queue */ - return ungetch(KEY_MOUSE); +/* 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) @@ -910,45 +1331,51 @@ mousemask(mmask_t newmask, mmask_t * oldmask) { 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(SP); + 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(SP, (bool) (result != 0)); + + SP->_mouse_mask = result; + } + } } - - returnCode(result); + returnBits(result); } 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); } NCURSES_EXPORT(int) @@ -957,6 +1384,8 @@ mouseinterval(int maxclick) { int oldval; + T((T_CALLED("mouseinterval(%d)"), maxclick)); + if (SP != 0) { oldval = SP->_maxclick; if (maxclick >= 0) @@ -965,7 +1394,7 @@ mouseinterval(int maxclick) oldval = DEFAULT_MAXCLICK; } - return (oldval); + returnCode(oldval); } /* This may be used by other routines to ask for the existence of mouse @@ -973,15 +1402,16 @@ mouseinterval(int maxclick) NCURSES_EXPORT(int) _nc_has_mouse(void) { - return (mousetype == M_NONE ? 0 : 1); + return (SP->_mouse_type == M_NONE ? 0 : 1); } NCURSES_EXPORT(bool) -wmouse_trafo -(const WINDOW *win, int *pY, int *pX, bool to_screen) +wmouse_trafo(const WINDOW *win, int *pY, int *pX, bool to_screen) { bool result = FALSE; + T((T_CALLED("wmouse_trafo(%p,%p,%p,%d)"), win, pY, pX, to_screen)); + if (win && pY && pX) { int y = *pY; int x = *pX; @@ -1003,7 +1433,5 @@ wmouse_trafo *pY = y; } } - return (result); + returnBool(result); } - -/* lib_mouse.c ends here */ |