X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_mouse.c;h=aace7deb4c7fc7a334d15a169cc6a5198bdf2195;hp=7bb20de55b799f37be6f68593d56c5060320e57c;hb=88d50b5d7057d4f59c586c93ff290d0a39528f70;hpb=55ccd2b959766810cf7db8d1c4462f338ce0afc8;ds=sidebyside diff --git a/ncurses/base/lib_mouse.c b/ncurses/base/lib_mouse.c index 7bb20de5..aace7deb 100644 --- a/ncurses/base/lib_mouse.c +++ b/ncurses/base/lib_mouse.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2004,2005 Free Software Foundation, Inc. * + * Copyright (c) 1998-2006,2007 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -79,18 +79,18 @@ #include -MODULE_ID("$Id: lib_mouse.c,v 1.77 2005/09/10 22:58:57 tom Exp $") +MODULE_ID("$Id: lib_mouse.c,v 1.88 2007/09/29 21:50:04 tom Exp $") #include #include #if USE_GPM_SUPPORT -#ifndef LINT /* don't need this for llib-lncurses */ -#undef buttons /* term.h defines this, and gpm uses it! */ -#include #include /* defines KG_* macros */ + +#ifdef HAVE_LIBDL /* use dynamic loader to avoid linkage dependency */ #include + #ifdef RTLD_NOW #define my_RTLD RTLD_NOW #else @@ -99,8 +99,9 @@ MODULE_ID("$Id: lib_mouse.c,v 1.77 2005/09/10 22:58:57 tom Exp $") #else make an error #endif -#endif -#endif +#endif /* RTLD_NOW */ +#endif /* HAVE_LIBDL */ + #endif /* USE_GPM_SUPPORT */ #if USE_SYSMOUSE @@ -144,7 +145,6 @@ make an error #define NORMAL_EVENT 0 #if USE_GPM_SUPPORT -#ifndef LINT #ifndef LIBGPM_SONAME #define LIBGPM_SONAME "libgpm.so" @@ -152,22 +152,7 @@ make an error #define GET_DLSYM(name) (my_##name = (TYPE_##name) dlsym(obj, #name)) -static Gpm_Connect gpm_connect; - -typedef int *TYPE_gpm_fd; -typedef int (*TYPE_Gpm_Open) (Gpm_Connect *, int); -typedef int (*TYPE_Gpm_Close) (void); -typedef int (*TYPE_Gpm_GetEvent) (Gpm_Event *); - -static TYPE_gpm_fd my_gpm_fd; -static TYPE_Gpm_Open my_Gpm_Open; -static TYPE_Gpm_Close my_Gpm_Close; -static TYPE_Gpm_GetEvent my_Gpm_GetEvent; - -#endif /* LINT */ -#endif /* USE_GPM_SUPPORT */ - -static mmask_t eventmask; /* current event mask */ +#endif /* USE_GPM_SUPPORT */ static bool _nc_mouse_parse(int); static void _nc_mouse_resume(SCREEN *); @@ -175,18 +160,15 @@ 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 */ - #undef NEXT -#define NEXT(ep) ((ep == events + EV_MAX - 1) ? events : ep + 1) +#define NEXT(ep) ((ep == SP->_mouse_events + EV_MAX - 1) \ + ? SP->_mouse_events \ + : ep + 1) #undef PREV -#define PREV(ep) ((ep == events) ? events + EV_MAX - 1 : ep - 1) +#define PREV(ep) ((ep == SP->_mouse_events) \ + ? SP->_mouse_events + EV_MAX - 1 \ + : ep - 1) #ifdef TRACE static void @@ -196,9 +178,9 @@ _trace_slot(const char *tag) _tracef(tag); - for (ep = events; ep < events + EV_MAX; ep++) + for (ep = SP->_mouse_events; ep < SP->_mouse_events + EV_MAX; ep++) _tracef("mouse event queue slot %ld = %s", - (long) (ep - events), + (long) (ep - SP->_mouse_events), _tracemouse(ep)); } #endif @@ -208,12 +190,6 @@ _trace_slot(const char *tag) # 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 @@ -226,7 +202,7 @@ 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 @@ -258,7 +234,7 @@ mouse_server(unsigned long ignored GCC_UNUSED) sprintf(err, "Error reading mouse queue, rc=%lu.\r\n", rc); break; } - if (!mouse_activated) + if (!SP->_emxmouse_activated) goto finish; /* @@ -270,13 +246,13 @@ mouse_server(unsigned long ignored GCC_UNUSED) */ if ((mouev.fs ^ oldstate) & MOUSE_BN1_DOWN) write_event(mouev.fs & MOUSE_BN1_DOWN, - mouse_buttons[1], mouev.col, mouev.row); + SP->_emxmouse_buttons[1], mouev.col, mouev.row); if ((mouev.fs ^ oldstate) & MOUSE_BN2_DOWN) write_event(mouev.fs & MOUSE_BN2_DOWN, - mouse_buttons[3], mouev.col, mouev.row); + SP->_emxmouse_buttons[3], mouev.col, mouev.row); if ((mouev.fs ^ oldstate) & MOUSE_BN3_DOWN) write_event(mouev.fs & MOUSE_BN3_DOWN, - mouse_buttons[2], mouev.col, mouev.row); + SP->_emxmouse_buttons[2], mouev.col, mouev.row); finish: oldstate = mouev.fs; @@ -352,8 +328,6 @@ handle_sysmouse(int sig GCC_UNUSED) } #endif /* USE_SYSMOUSE */ -static int initialized; - static void init_xterm_mouse(void) { @@ -367,9 +341,9 @@ static void enable_xterm_mouse(int enable) { #if USE_EMX_MOUSE - mouse_activated = enable; + SP->_emxmouse_activated = enable; #else - putp(tparm(SP->_mouse_xtermcap, enable)); + putp(TPARM_1(SP->_mouse_xtermcap, enable)); #endif SP->_mouse_active = enable; } @@ -400,18 +374,20 @@ enable_gpm_mouse(int enable) if (enable && !SP->_mouse_active) { /* GPM: initialize connection to gpm server */ - gpm_connect.eventMask = GPM_DOWN | GPM_UP; - gpm_connect.defaultMask = ~(gpm_connect.eventMask | GPM_HARD); - gpm_connect.minMod = 0; - gpm_connect.maxMod = (unsigned short) (~((1 << KG_SHIFT) | - (1 << KG_SHIFTL) | - (1 << KG_SHIFTR))); + SP->_mouse_gpm_connect.eventMask = GPM_DOWN | GPM_UP; + SP->_mouse_gpm_connect.defaultMask = + ~(SP->_mouse_gpm_connect.eventMask | GPM_HARD); + SP->_mouse_gpm_connect.minMod = 0; + SP->_mouse_gpm_connect.maxMod = + (unsigned short) (~((1 << KG_SHIFT) | + (1 << KG_SHIFTL) | + (1 << KG_SHIFTR))); /* * Note: GPM hardcodes \E[?1001s and \E[?1000h during its open. * The former is recognized by wscons (SunOS), and the latter by * xterm. Those will not show up in ncurses' traces. */ - result = (my_Gpm_Open(&gpm_connect, 0) >= 0); + result = (my_Gpm_Open(&SP->_mouse_gpm_connect, 0) >= 0); SP->_mouse_active = result; T(("GPM open %s", result ? "succeeded" : "failed")); } else { @@ -427,22 +403,19 @@ enable_gpm_mouse(int enable) } #endif /* USE_GPM_SUPPORT */ +#define xterm_kmous "\033[M" + static void initialize_mousetype(void) { - static const char *xterm_kmous = "\033[M"; - T((T_CALLED("initialize_mousetype()"))); /* Try gpm first, because gpm may be configured to run in xterm */ #if USE_GPM_SUPPORT if (allow_gpm_mouse()) { - static bool first = TRUE; - static bool found = FALSE; - - if (first) { + if (!SP->_mouse_gpm_loaded) { +#ifdef HAVE_LIBDL void *obj; - first = FALSE; if ((obj = dlopen(LIBGPM_SONAME, my_RTLD)) != 0) { if (GET_DLSYM(gpm_fd) == 0 || @@ -452,9 +425,13 @@ initialize_mousetype(void) T(("GPM initialization failed: %s", dlerror())); dlclose(obj); } else { - found = TRUE; + SP->_mouse_gpm_found = TRUE; } } +#else /* !HAVE_LIBDL */ + SP->_mouse_gpm_found = TRUE; +#endif + SP->_mouse_gpm_loaded = TRUE; } /* @@ -462,9 +439,9 @@ initialize_mousetype(void) * maintain our notion of whether the mouse connection is active * without testing the file-descriptor. */ - if (found && enable_gpm_mouse(TRUE)) { + if (SP->_mouse_gpm_found && enable_gpm_mouse(TRUE)) { SP->_mouse_type = M_GPM; - SP->_mouse_fd = *my_gpm_fd; + SP->_mouse_fd = *(my_gpm_fd); T(("GPM mouse_fd %d", SP->_mouse_fd)); returnVoid; } @@ -473,7 +450,7 @@ initialize_mousetype(void) /* OS/2 VIO */ #if USE_EMX_MOUSE - if (!mouse_thread + if (!SP->_emxmouse_thread && strstr(cur_term->type.term_names, "xterm") == 0 && key_mouse) { int handles[2]; @@ -484,23 +461,27 @@ initialize_mousetype(void) } else { int rc; - if (!mouse_buttons[0]) { + if (!SP->_emxmouse_buttons[0]) { char *s = getenv("MOUSE_BUTTONS_123"); - mouse_buttons[0] = 1; + SP->_emxmouse_buttons[0] = 1; if (s && strlen(s) >= 3) { - mouse_buttons[1] = s[0] - '0'; - mouse_buttons[2] = s[1] - '0'; - mouse_buttons[3] = s[2] - '0'; + SP->_emxmouse_buttons[1] = s[0] - '0'; + SP->_emxmouse_buttons[2] = s[1] - '0'; + SP->_emxmouse_buttons[3] = s[2] - '0'; + } else { + SP->_emxmouse_buttons[1] = 1; + SP->_emxmouse_buttons[2] = 3; + SP->_emxmouse_buttons[3] = 2; } } - mouse_wfd = handles[1]; + SP->_emxmouse_wfd = handles[1]; M_FD(SP) = handles[0]; /* Needed? */ setmode(handles[0], O_BINARY); setmode(handles[1], O_BINARY); /* Do not use CRT functions, we may single-threaded. */ - rc = DosCreateThread((unsigned long *) &mouse_thread, + rc = DosCreateThread((unsigned long *) &SP->_emxmouse_thread, mouse_server, 0, 0, 8192); if (rc) { printf("mouse thread error %d=%#x", rc, rc); @@ -579,12 +560,13 @@ initialize_mousetype(void) /* we know how to recognize mouse events under "xterm" */ if (key_mouse != 0) { - if (!strcmp(key_mouse, xterm_kmous)) { + if (!strcmp(key_mouse, xterm_kmous) + || strstr(cur_term->type.term_names, "xterm") != 0) { init_xterm_mouse(); } } else if (strstr(cur_term->type.term_names, "xterm") != 0) { - (void) _nc_add_to_try(&(SP->_keytry), xterm_kmous, KEY_MOUSE); - init_xterm_mouse(); + if (_nc_add_to_try(&(SP->_keytry), xterm_kmous, KEY_MOUSE) == OK) + init_xterm_mouse(); } returnVoid; } @@ -593,21 +575,26 @@ static bool _nc_mouse_init(void) /* initialize the mouse */ { + bool result = FALSE; int i; - if (!initialized && (SP != 0)) { - initialized = TRUE; + if (SP != 0) { + if (!SP->_mouse_initialized) { + SP->_mouse_initialized = TRUE; - TR(MY_TRACE, ("_nc_mouse_init() called")); + TR(MY_TRACE, ("_nc_mouse_init() called")); - for (i = 0; i < EV_MAX; i++) - events[i].id = INVALID_EVENT; + SP->_mouse_eventp = SP->_mouse_events; + for (i = 0; i < EV_MAX; i++) + SP->_mouse_events[i].id = INVALID_EVENT; - initialize_mousetype(); + initialize_mousetype(); - T(("_nc_mouse_init() set mousetype to %d", SP->_mouse_type)); + T(("_nc_mouse_init() set mousetype to %d", SP->_mouse_type)); + } + result = SP->_mouse_initialized; } - return initialized; + return result; } /* @@ -617,8 +604,11 @@ _nc_mouse_init(void) 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 */ @@ -676,7 +666,7 @@ _nc_mouse_event(SCREEN *sp GCC_UNUSED) eventp->z = 0; /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); + SP->_mouse_eventp = eventp = NEXT(eventp); result = TRUE; } } @@ -700,7 +690,7 @@ _nc_mouse_event(SCREEN *sp GCC_UNUSED) } /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); + SP->_mouse_eventp = eventp = NEXT(eventp); result = TRUE; } break; @@ -719,6 +709,7 @@ _nc_mouse_inline(SCREEN *sp) { int b; bool result = FALSE; + MEVENT *eventp = SP->_mouse_eventp; TR(MY_TRACE, ("_nc_mouse_inline() called")); @@ -857,10 +848,10 @@ _nc_mouse_inline(SCREEN *sp) TR(MY_TRACE, ("_nc_mouse_inline: primitive mouse-event %s has slot %ld", _tracemouse(eventp), - (long) (eventp - events))); + (long) (eventp - SP->_mouse_events))); /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); + SP->_mouse_eventp = NEXT(eventp); #if 0 /* this return would be needed for QNX's mods to lib_getch.c */ return (TRUE); #endif @@ -872,7 +863,7 @@ _nc_mouse_inline(SCREEN *sp) static void mouse_activate(bool on) { - if (!on && !initialized) + if (!on && !SP->_mouse_initialized) return; if (!_nc_mouse_init()) @@ -891,7 +882,7 @@ mouse_activate(bool on) #if USE_GPM_SUPPORT case M_GPM: if (enable_gpm_mouse(1)) { - SP->_mouse_fd = *my_gpm_fd; + SP->_mouse_fd = *(my_gpm_fd); T(("GPM mouse_fd %d", SP->_mouse_fd)); } break; @@ -948,6 +939,7 @@ static bool _nc_mouse_parse(int runcount) /* parse a run of atomic mouse events into a gesture */ { + MEVENT *eventp = SP->_mouse_eventp; MEVENT *ep, *runp, *next, *prev = PREV(eventp); int n; int b; @@ -980,9 +972,9 @@ _nc_mouse_parse(int runcount) TR(MY_TRACE, ("_nc_mouse_parse: returning simple mouse event %s at slot %ld", _tracemouse(prev), - (long) (prev - events))); + (long) (prev - SP->_mouse_events))); return (prev->id >= NORMAL_EVENT) - ? ((prev->bstate & eventmask) ? TRUE : FALSE) + ? ((prev->bstate & SP->_mouse_mask) ? TRUE : FALSE) : FALSE; } @@ -993,12 +985,13 @@ _nc_mouse_parse(int runcount) } #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { + if (USE_TRACEF(TRACE_IEVENT)) { _trace_slot("before mouse press/release merge:"); _tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d", - (long) (runp - events), - (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX, + (long) (runp - SP->_mouse_events), + (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX, runcount); + _nc_unlock_global(tracef); } #endif /* TRACE */ @@ -1021,7 +1014,7 @@ _nc_mouse_parse(int runcount) #endif ) { for (b = 1; b <= MAX_BUTTONS; ++b) { - if ((eventmask & MASK_CLICK(b)) + if ((SP->_mouse_mask & MASK_CLICK(b)) && (ep->bstate & MASK_PRESS(b))) { ep->bstate &= ~MASK_PRESS(b); ep->bstate |= MASK_CLICK(b); @@ -1036,12 +1029,13 @@ _nc_mouse_parse(int runcount) (merge); #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { + if (USE_TRACEF(TRACE_IEVENT)) { _trace_slot("before mouse click merge:"); _tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d", - (long) (runp - events), - (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX, + (long) (runp - SP->_mouse_events), + (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX, runcount); + _nc_unlock_global(tracef); } #endif /* TRACE */ @@ -1077,7 +1071,7 @@ _nc_mouse_parse(int runcount) if ((ep->bstate & BUTTON_CLICKED) && (follower->bstate & BUTTON_CLICKED)) { for (b = 1; b <= MAX_BUTTONS; ++b) { - if ((eventmask & MASK_DOUBLE_CLICK(b)) + if ((SP->_mouse_mask & MASK_DOUBLE_CLICK(b)) && (follower->bstate & MASK_CLICK(b))) { follower->bstate &= ~MASK_CLICK(b); follower->bstate |= MASK_DOUBLE_CLICK(b); @@ -1092,7 +1086,7 @@ _nc_mouse_parse(int runcount) if ((ep->bstate & BUTTON_DOUBLE_CLICKED) && (follower->bstate & BUTTON_CLICKED)) { for (b = 1; b <= MAX_BUTTONS; ++b) { - if ((eventmask & MASK_TRIPLE_CLICK(b)) + if ((SP->_mouse_mask & MASK_TRIPLE_CLICK(b)) && (follower->bstate & MASK_CLICK(b))) { follower->bstate &= ~MASK_CLICK(b); follower->bstate |= MASK_TRIPLE_CLICK(b); @@ -1107,12 +1101,13 @@ _nc_mouse_parse(int runcount) (merge); #ifdef TRACE - if (_nc_tracing & TRACE_IEVENT) { + if (USE_TRACEF(TRACE_IEVENT)) { _trace_slot("before mouse event queue compaction:"); _tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d", - (long) (runp - events), - (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX, + (long) (runp - SP->_mouse_events), + (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX, runcount); + _nc_unlock_global(tracef); } #endif /* TRACE */ @@ -1121,23 +1116,24 @@ _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) { + if (USE_TRACEF(TRACE_IEVENT)) { _trace_slot("after mouse event queue compaction:"); _tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d", - (long) (runp - events), - (long) ((eventp - events) + (EV_MAX - 1)) % EV_MAX, + (long) (runp - SP->_mouse_events), + (long) ((eventp - SP->_mouse_events) + (EV_MAX - 1)) % EV_MAX, runcount); + _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))); + (long) (ep - SP->_mouse_events))); #endif /* TRACE */ /* after all this, do we have a valid event? */ @@ -1152,13 +1148,13 @@ _nc_mouse_wrap(SCREEN *sp GCC_UNUSED) switch (SP->_mouse_type) { case M_XTERM: - if (eventmask) + if (SP->_mouse_mask) mouse_activate(FALSE); break; #if USE_GPM_SUPPORT /* GPM: pass all mouse events to next client */ case M_GPM: - if (eventmask) + if (SP->_mouse_mask) mouse_activate(FALSE); break; #endif @@ -1181,14 +1177,14 @@ _nc_mouse_resume(SCREEN *sp GCC_UNUSED) switch (SP->_mouse_type) { case M_XTERM: /* xterm: re-enable reporting */ - if (eventmask) + if (SP->_mouse_mask) mouse_activate(TRUE); break; #if USE_GPM_SUPPORT case M_GPM: /* GPM: reclaim our event set */ - if (eventmask) + if (SP->_mouse_mask) mouse_activate(TRUE); break; #endif @@ -1215,7 +1211,8 @@ getmouse(MEVENT * aevent) { T((T_CALLED("getmouse(%p)"), aevent)); - if (aevent && (SP->_mouse_type != M_NONE)) { + if ((aevent != 0) && (SP != 0) && (SP->_mouse_type != M_NONE)) { + MEVENT *eventp = SP->_mouse_eventp; /* compute the current-event pointer */ MEVENT *prev = PREV(eventp); @@ -1224,7 +1221,7 @@ getmouse(MEVENT * aevent) TR(TRACE_IEVENT, ("getmouse: returning event %s from slot %ld", _tracemouse(prev), - (long) (prev - events))); + (long) (prev - SP->_mouse_events))); prev->id = INVALID_EVENT; /* so the queue slot becomes free */ returnCode(OK); @@ -1236,16 +1233,23 @@ NCURSES_EXPORT(int) ungetmouse(MEVENT * aevent) /* enqueue a synthesized mouse event to be seen by the next wgetch() */ { + int result = ERR; + T((T_CALLED("ungetmouse(%p)"), aevent)); - /* stick the given event in the next-free slot */ - *eventp = *aevent; + if (aevent != 0 && SP != 0) { + MEVENT *eventp = SP->_mouse_eventp; - /* bump the next-free pointer into the circular list */ - eventp = NEXT(eventp); + /* stick the given event in the next-free slot */ + *eventp = *aevent; - /* push back the notification event on the keyboard queue */ - returnCode(ungetch(KEY_MOUSE)); + /* bump the next-free pointer into the circular list */ + SP->_mouse_eventp = NEXT(eventp); + + /* push back the notification event on the keyboard queue */ + result = ungetch(KEY_MOUSE); + } + returnCode(result); } NCURSES_EXPORT(mmask_t) @@ -1256,27 +1260,33 @@ mousemask(mmask_t newmask, mmask_t * oldmask) T((T_CALLED("mousemask(%#lx,%p)"), (unsigned long) newmask, oldmask)); - if (oldmask) - *oldmask = eventmask; - - if (!newmask && !initialized) - returnBits(0); - - _nc_mouse_init(); - if (SP != 0 && SP->_mouse_type != M_NONE) { - eventmask = newmask & - (REPORT_MOUSE_POSITION | BUTTON_ALT | BUTTON_CTRL | BUTTON_SHIFT - | BUTTON_PRESSED - | BUTTON_RELEASED - | BUTTON_CLICKED - | BUTTON_DOUBLE_CLICKED - | BUTTON_TRIPLE_CLICKED); - - mouse_activate(eventmask != 0); - - result = eventmask; + if (SP != 0) { + if (oldmask) + *oldmask = SP->_mouse_mask; + + if (newmask || SP->_mouse_initialized) { + _nc_mouse_init(); + if (SP->_mouse_type != M_NONE) { + result = newmask & + (REPORT_MOUSE_POSITION + | BUTTON_ALT + | BUTTON_CTRL + | BUTTON_SHIFT + | BUTTON_PRESSED + | BUTTON_RELEASED + | BUTTON_CLICKED + | BUTTON_DOUBLE_CLICKED + | BUTTON_TRIPLE_CLICKED); + + mouse_activate((bool) (result != 0)); + + SP->_mouse_mask = result; + } + } + } else { + if (oldmask) + *oldmask = SP->_mouse_mask; } - returnBits(result); }