ncurses 5.9 - patch 20150328

[ncurses.git] / ncurses / base / lib_getch.c

diff --git a/ncurses/base/lib_getch.c b/ncurses/base/lib_getch.c
index 24acf055674c5a1020cc9c1c0d3616d52b8ace22..ff2c5bdfd433b3499176e5286fbf1ba8df5d6e4d 100644 (file)
--- a/ncurses/base/lib_getch.c
+++ b/ncurses/base/lib_getch.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2013,2014 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            *
@@ -42,7 +42,7 @@
 
 #include <curses.priv.h>
 
-MODULE_ID("$Id: lib_getch.c,v 1.119 2010/05/22 20:00:35 tom Exp $")
+MODULE_ID("$Id: lib_getch.c,v 1.131 2014/05/10 20:36:57 tom Exp $")
 
 #include <fifo_defs.h>
 
@@ -124,6 +124,17 @@ _nc_use_meta(WINDOW *win)
     return (sp ? sp->_use_meta : 0);
 }
 
+#ifdef USE_TERM_DRIVER
+# ifdef __MINGW32__
+static HANDLE
+_nc_get_handle(int fd)
+{
+    intptr_t value = _get_osfhandle(fd);
+    return (HANDLE) value;
+}
+# endif
+#endif
+
 /*
  * Check for mouse activity, returning nonzero if we find any.
  */
@@ -133,7 +144,16 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
     int rc;
 
 #ifdef USE_TERM_DRIVER
-    rc = TCBOf(sp)->drv->testmouse(TCBOf(sp), delay);
+    TERMINAL_CONTROL_BLOCK *TCB = TCBOf(sp);
+    rc = TCBOf(sp)->drv->td_testmouse(TCBOf(sp), delay EVENTLIST_2nd(evl));
+# ifdef __MINGW32__
+    /* if we emulate terminfo on console, we have to use the console routine */
+    if (IsTermInfoOnConsole(sp)) {
+       HANDLE fd = _nc_get_handle(sp->_ifd);
+       rc = _nc_mingw_testmouse(sp, fd, delay EVENTLIST_2nd(evl));
+    } else
+# endif
+       rc = TCB->drv->td_testmouse(TCB, delay EVENTLIST_2nd(evl));
 #else
 #if USE_SYSMOUSE
     if ((sp->_mouse_type == M_SYSMOUSE)
@@ -163,7 +183,7 @@ check_mouse_activity(SCREEN *sp, int delay EVENTLIST_2nd(_nc_eventlist * evl))
 static NCURSES_INLINE int
 fifo_peek(SCREEN *sp)
 {
-    int ch = sp->_fifo[peek];
+    int ch = (peek >= 0) ? sp->_fifo[peek] : ERR;
     TR(TRACE_IEVENT, ("peeking at %d", peek));
 
     p_inc();
@@ -173,15 +193,16 @@ fifo_peek(SCREEN *sp)
 static NCURSES_INLINE int
 fifo_pull(SCREEN *sp)
 {
-    int ch;
-    ch = sp->_fifo[head];
+    int ch = (head >= 0) ? sp->_fifo[head] : ERR;
+
     TR(TRACE_IEVENT, ("pulling %s from %d", _nc_tracechar(sp, ch), head));
 
     if (peek == head) {
        h_inc();
        peek = head;
-    } else
+    } else {
        h_inc();
+    }
 
 #ifdef TRACE
     if (USE_TRACEF(TRACE_IEVENT)) {
@@ -200,7 +221,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
     int mask = 0;
 
     (void) mask;
-    if (tail == -1)
+    if (tail < 0)
        return ERR;
 
 #ifdef HIDE_EINTR
@@ -256,11 +277,25 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
        ch = KEY_MOUSE;
        n = 1;
     } else
+#endif
+#if USE_KLIBC_KBD
+    if (NC_ISATTY(sp->_ifd) && sp->_cbreak) {
+       ch = _read_kbd(0, 1, !sp->_raw);
+       n = (ch == -1) ? -1 : 1;
+       sp->_extended_key = (ch == 0);
+    } else
 #endif
     {                          /* Can block... */
 #ifdef USE_TERM_DRIVER
        int buf;
-       n = CallDriver_1(sp, read, &buf);
+#ifdef __MINGW32__
+       if (NC_ISATTY(sp->_ifd) && IsTermInfoOnConsole(sp) && sp->_cbreak)
+           n = _nc_mingw_console_read(sp,
+                                      _nc_get_handle(sp->_ifd),
+                                      &buf);
+       else
+#endif
+           n = CallDriver_1(sp, td_read, &buf);
        ch = buf;
 #else
        unsigned char c2 = 0;
@@ -270,7 +305,7 @@ fifo_push(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 #  endif
            _nc_globals.read_thread = pthread_self();
 # endif
-       n = read(sp->_ifd, &c2, 1);
+       n = (int) read(sp->_ifd, &c2, (size_t) 1);
 #if USE_PTHREADS_EINTR
        _nc_globals.read_thread = 0;
 #endif
@@ -383,7 +418,7 @@ recur_wgetnstr(WINDOW *win, char *buf)
 
 NCURSES_EXPORT(int)
 _nc_wgetch(WINDOW *win,
-          unsigned long *result,
+          int *result,
           int use_meta
           EVENTLIST_2nd(_nc_eventlist * evl))
 {
@@ -431,11 +466,11 @@ _nc_wgetch(WINDOW *win,
        /* ungetch in reverse order */
 #ifdef NCURSES_WGETCH_EVENTS
        rc = recur_wgetnstr(win, buf);
-       if (rc != KEY_EVENT)
+       if (rc != KEY_EVENT && rc != ERR)
            safe_ungetch(sp, '\n');
 #else
-       (void) recur_wgetnstr(win, buf);
-       safe_ungetch(sp, '\n');
+       if (recur_wgetnstr(win, buf) != ERR)
+           safe_ungetch(sp, '\n');
 #endif
        for (bufp = buf + strlen(buf); bufp > buf; bufp--)
            safe_ungetch(sp, bufp[-1]);
@@ -569,7 +604,7 @@ _nc_wgetch(WINDOW *win,
      *
      * If carriage return is defined as a function key in the
      * terminfo, e.g., kent, then Solaris may return either ^J (or ^M
-     * if nonl() is set) or KEY_ENTER depending on the echo() mode. 
+     * if nonl() is set) or KEY_ENTER depending on the echo() mode.
      * We echo before translating carriage return based on nonl(),
      * since the visual result simply moves the cursor to column 0.
      *
@@ -581,7 +616,7 @@ _nc_wgetch(WINDOW *win,
      * cursor to the left.
      */
     if (sp->_echo && !(win->_flags & _ISPAD)) {
-       chtype backup = (ch == KEY_BACKSPACE) ? '\b' : ch;
+       chtype backup = (chtype) ((ch == KEY_BACKSPACE) ? '\b' : ch);
        if (backup < KEY_MIN)
            wechochar(win, backup);
     }
@@ -612,7 +647,7 @@ NCURSES_EXPORT(int)
 wgetch_events(WINDOW *win, _nc_eventlist * evl)
 {
     int code;
-    unsigned long value;
+    int value;
 
     T((T_CALLED("wgetch_events(%p,%p)"), win, evl));
     code = _nc_wgetch(win,
@@ -629,7 +664,7 @@ NCURSES_EXPORT(int)
 wgetch(WINDOW *win)
 {
     int code;
-    unsigned long value;
+    int value;
 
     T((T_CALLED("wgetch(%p)"), (void *) win));
     code = _nc_wgetch(win,
@@ -709,10 +744,11 @@ kgetch(SCREEN *sp EVENTLIST_2nd(_nc_eventlist * evl))
 
        if (ptr->value != 0) {  /* sequence terminated */
            TR(TRACE_IEVENT, ("end of sequence"));
-           if (peek == tail)
+           if (peek == tail) {
                fifo_clear(sp);
-           else
+           } else {
                head = peek;
+           }
            return (ptr->value);
        }