Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
Thomas E. Dickey (beginning revision 1.27 in 1996).
-$Id: ncurses.c,v 1.450 2017/05/05 14:58:47 tom Exp $
+$Id: ncurses.c,v 1.465 2017/09/23 15:42:49 tom Exp $
***************************************************************************/
#ifdef TRACE
static unsigned save_trace = TRACE_ORDINARY | TRACE_ICALLS | TRACE_CALLS;
-extern unsigned _nc_tracing;
#endif
#else
#define state_unused
#endif
-#define ToggleAcs(temp,real) temp = ((temp == real) ? 0 : real)
+#define ToggleAcs(temp,real) temp = ((temp == real) ? NULL : real)
#define P(string) printw("%s\n", string)
#undef max_pairs
static int max_pairs; /* ...and the number of color pairs */
+#if HAVE_COLOR_CONTENT
typedef struct {
NCURSES_COLOR_T red;
NCURSES_COLOR_T green;
} RGB_DATA;
static RGB_DATA *all_colors;
+#endif
static void main_menu(bool);
static void failed(const char *s) GCC_NORETURN;
ExitProgram(EXIT_FAILURE);
}
-/* The behavior of mvhline, mvvline for negative/zero length is unspecified,
- * though we can rely on negative x/y values to stop the macro.
- */
-static void
-do_h_line(int y, int x, chtype c, int to)
-{
- if ((to) > (x))
- MvHLine(y, x, c, (to) - (x));
-}
-
-static void
-do_v_line(int y, int x, chtype c, int to)
-{
- if ((to) > (y))
- MvVLine(y, x, c, (to) - (y));
-}
-
static void
Repaint(void)
{
touchwin(stdscr);
+#if HAVE_CURSCR
touchwin(curscr);
wrefresh(curscr);
+#else
+ wrefresh(stdscr);
+#endif
}
static bool
endwin();
}
-static void
-getch_test(void)
+static int
+getch_test(bool recur GCC_UNUSED)
{
int delay = begin_getch_test();
forget_boxes();
finish_getch_test();
slk_clear();
+ return OK;
}
#if USE_WIDEC_SUPPORT
init_getch(win, flags, delay);
}
-static void
-get_wch_test(void)
+static int
+x_getch_test(bool recur GCC_UNUSED)
{
int delay = begin_getch_test();
forget_boxes();
finish_getch_test();
slk_clear();
+ return OK;
}
#endif
return result;
}
-static void
-attr_test(void)
+static int
+attr_test(bool recur GCC_UNUSED)
/* test text attributes */
{
int n;
bkgdset(A_NORMAL | BLANK);
erase();
endwin();
+ return OK;
} else {
Cannot("does not support video attributes.");
+ return ERR;
}
}
return result;
}
-static void
-wide_attr_test(void)
+static int
+x_attr_test(bool recur GCC_UNUSED)
/* test text attributes using wide-character calls */
{
int n;
set_wide_background(0);
erase();
endwin();
+ return OK;
} else {
Cannot("does not support extended video attributes.");
+ return ERR;
}
}
#endif
}
/* generate a color test pattern */
-static void
-color_test(void)
+static int
+color_test(bool recur GCC_UNUSED)
{
NCURSES_PAIRS_T i;
int top = 0, width;
bool opt_wide = FALSE;
WINDOW *helpwin;
+ if (!use_colors) {
+ Cannot("does not support color.");
+ return ERR;
+ }
+
numbered = (char *) calloc((size_t) (COLS + 1), sizeof(char));
done = ((COLS < 16) || (numbered == 0));
endwin();
free(numbered);
+ return OK;
}
#if USE_WIDEC_SUPPORT
/* generate a color test pattern */
-static void
-wide_color_test(void)
+static int
+x_color_test(bool recur GCC_UNUSED)
{
int i;
int top = 0, width;
wchar_t *buffer = 0;
WINDOW *helpwin;
+ if (!use_colors) {
+ Cannot("does not support color.");
+ return ERR;
+ }
numbered = (char *) calloc((size_t) (COLS + 1), sizeof(char));
buffer = (wchar_t *) calloc((size_t) (COLS + 1), sizeof(wchar_t));
done = ((COLS < 16) || (numbered == 0) || (buffer == 0));
free(numbered);
free(buffer);
+ return OK;
}
#endif /* USE_WIDEC_SUPPORT */
+#if HAVE_COLOR_CONTENT
static void
change_color(NCURSES_PAIRS_T current, int field, int value, int usebase)
{
#define scaled_rgb(n) ((255 * (n)) / 1000)
-static void
-color_edit(void)
+static int
+color_edit(bool recur GCC_UNUSED)
/* display the color test pattern, without trying to edit colors */
{
int i;
int top_color;
int page_size;
+ if (!use_colors) {
+ Cannot("does not support color.");
+ return ERR;
+ } else if (!can_change_color()) {
+ Cannot("has hardwired color values.");
+ return ERR;
+ }
+
reset_all_colors();
#ifdef KEY_RESIZE
retry:
reset_all_colors();
endwin();
+ return OK;
}
+#endif /* HAVE_COLOR_CONTENT */
/****************************************************************************
*
}
#endif
-static void
-slk_test(void)
+static int
+slk_test(bool recur GCC_UNUSED)
/* exercise the soft keys */
{
int c, fmt = 1;
slk_clear();
erase();
endwin();
+ return OK;
}
#if USE_WIDEC_SUPPORT
#define SLKLEN 8
-static void
-wide_slk_test(void)
+static int
+x_slk_test(bool recur GCC_UNUSED)
/* exercise the soft keys */
{
int c, fmt = 1;
slk_clear();
erase();
endwin();
+ return OK;
}
#endif
#endif /* SLK_INIT */
n = show_1_acs(n, repeat, BOTH(ACS_S7));
(void) show_1_acs(n, repeat, BOTH(ACS_S9));
#endif
+#undef BOTH
}
-static void
-acs_display(void)
+static int
+acs_test(bool recur GCC_UNUSED)
{
int c = 'a';
int pagesize = 32;
Pause();
erase();
endwin();
+ return OK;
}
#if USE_WIDEC_SUPPORT
}
/* display the wide-ACS character set */
-static void
-wide_acs_display(void)
+static int
+x_acs_test(bool recur GCC_UNUSED)
{
int c = 'a';
int digit = 0;
Pause();
erase();
endwin();
+ return OK;
}
#endif
/*
* Graphic-rendition test (adapted from vttest)
*/
-static void
-test_sgr_attributes(void)
+static int
+sgr_attr_test(bool recur GCC_UNUSED)
{
int pass;
bkgdset(A_NORMAL | BLANK);
erase();
endwin();
+ return OK;
}
/****************************************************************************
break;
}
}
- /* FALLTHRU */
#endif
+ /* FALLTHRU */
default:
res.y = uli + i;
res.x = ulj + j;
}
delwin(fp->wind);
- np = (fp == fp->next) ? 0 : fp->next;
+ np = (fp == fp->next) ? NULL : fp->next;
free(fp);
}
return np;
}
-static void
-acs_and_scroll(void)
+static int
+scroll_test(bool recur GCC_UNUSED)
/* Demonstrate windows */
{
int c;
switch (c) {
case CTRL('C'):
if ((neww = typeCalloc(FRAME, (size_t) 1)) == 0) {
- failed("acs_and_scroll");
+ failed("scroll_test");
goto breakout;
}
if ((neww->wind = getwindow()) == (WINDOW *) 0) {
- failed("acs_and_scroll");
+ failed("scroll_test");
free(neww);
goto breakout;
}
wrefresh(neww->wind);
} else {
- failed("acs_and_scroll");
+ failed("scroll_test");
}
(void) fclose(fp);
}
noraw();
erase();
endwin();
+ return OK;
}
/****************************************************************************
rmpanel(pan)
--------------------------------------------------------------------------*/
static void
-rmpanel(PANEL * pan)
+rmpanel(PANEL *pan)
{
WINDOW *win = panel_window(pan);
del_panel(pan);
}
static void
-fill_panel(PANEL * pan)
+fill_panel(PANEL *pan)
{
WINDOW *win = panel_window(pan);
const char *userptr = (const char *) panel_userptr(pan);
}
static void
-fill_wide_panel(PANEL * pan)
+fill_wide_panel(PANEL *pan)
{
WINDOW *win = panel_window(pan);
const char *userptr = (const char *) panel_userptr(pan);
#define MAX_PANELS 5
static void
-canned_panel(PANEL * px[MAX_PANELS + 1], NCURSES_CONST char *cmd)
+canned_panel(PANEL *px[MAX_PANELS + 1], NCURSES_CONST char *cmd)
{
int which = cmd[1] - '0';
wait_a_while(nap_msec);
}
-static void
+static int
demo_panels(void (*InitPanel) (WINDOW *), void (*FillPanel) (PANEL *))
{
int count;
erase();
endwin();
+ return OK;
+}
+
+#if USE_LIBPANEL
+static int
+panel_test(bool recur GCC_UNUSED)
+{
+ return demo_panels(init_panel, fill_panel);
}
+#endif
+
+#if USE_WIDEC_SUPPORT && USE_LIBPANEL
+static int
+x_panel_test(bool recur GCC_UNUSED)
+{
+ return demo_panels(init_wide_panel, fill_wide_panel);
+}
+#endif
#endif /* USE_LIBPANEL */
/****************************************************************************
*
****************************************************************************/
+#if HAVE_NEWPAD
+
+/* The behavior of mvhline, mvvline for negative/zero length is unspecified,
+ * though we can rely on negative x/y values to stop the macro.
+ */
+static void
+do_h_line(int y, int x, chtype c, int to)
+{
+ if ((to) > (x))
+ MvHLine(y, x, c, (to) - (x));
+}
+
+static void
+do_v_line(int y, int x, chtype c, int to)
+{
+ if ((to) > (y))
+ MvVLine(y, x, c, (to) - (y));
+}
+
#define GRIDSIZE 3
static bool pending_pan = FALSE;
#define PAD_HIGH 200
#define PAD_WIDE 200
-static void
-demo_pad(bool colored)
+static int
+pad_test(bool recur GCC_UNUSED)
/* Demonstrate pads. */
{
WINDOW *panpad = newpad(PAD_HIGH, PAD_WIDE);
if (panpad == 0) {
Cannot("cannot create requested pad");
- return;
+ return ERR;
}
#ifdef A_COLOR
- if (colored && use_colors) {
+ if (use_colors) {
init_pair(1, COLOR_BLACK, COLOR_GREEN);
init_pair(2, COLOR_CYAN, COLOR_BLUE);
wbkgd(panpad, (chtype) (COLOR_PAIR(2) | ' '));
}
#endif
- fill_pad(panpad, FALSE, colored);
+ fill_pad(panpad, FALSE, TRUE);
panner_legend(LINES - 4);
panner_legend(LINES - 3);
* We'll still be able to widen it during a test, since that's required
* for testing boundaries.
*/
- panner(panpad, 2, 2, LINES - 5, COLS - 15, padgetch, colored);
+ panner(panpad, 2, 2, LINES - 5, COLS - 15, padgetch, TRUE);
delwin(panpad);
endwin();
erase();
+ return OK;
}
+#endif /* HAVE_NEWPAD */
/****************************************************************************
*
wGetchar(win);
}
-static void
-flushinp_test(WINDOW *win)
+static int
+flushinp_test(bool recur GCC_UNUSED)
/* Input test, adapted from John Burnell's PDCurses tester */
{
+ WINDOW *win = stdscr;
int w, h, bx, by, sw, sh, i;
WINDOW *subWin;
sw = w / 3;
sh = h / 3;
if ((subWin = subwin(win, sh, sw, by + h - sh - 2, bx + w - sw - 2)) == 0)
- return;
+ return ERR;
#ifdef A_COLOR
if (use_colors) {
Continue(win);
cbreak();
+ return OK;
}
/****************************************************************************
(char *) 0
};
-static void
-menu_test(void)
+static int
+menu_test(bool recur GCC_UNUSED)
{
MENU *m;
ITEM *items[SIZEOF(animals)];
#ifdef NCURSES_MOUSE_VERSION
mousemask(0, (mmask_t *) 0);
#endif
+ return OK;
}
#ifdef TRACE
}
}
-static void
-trace_set(void)
+static int
+trace_set(bool recur GCC_UNUSED)
/* interactively set the trace level */
{
MENU *m;
free_menu(m);
for (ip = items; *ip; ip++)
free_item(*ip);
+
+ return OK;
}
#endif /* TRACE */
#endif /* USE_LIBMENU */
}
static void
-display_form(FORM * f)
+display_form(FORM *f)
{
WINDOW *w;
int rows, cols;
}
static void
-erase_form(FORM * f)
+erase_form(FORM *f)
{
WINDOW *w = form_win(f);
WINDOW *s = form_sub(f);
}
static int
-edit_secure(FIELD * me, int c)
+edit_secure(FIELD *me, int c)
{
int rows, cols, frow, fcol, nrow, nbuf;
}
static int
-form_virtualize(FORM * f, WINDOW *w)
+form_virtualize(FORM *f, WINDOW *w)
{
/* *INDENT-OFF* */
static const struct {
}
static int
-my_form_driver(FORM * form, int c)
+my_form_driver(FORM *form, int c)
{
if (c == (MAX_FORM_COMMAND + 1)
&& form_driver(form, REQ_VALIDATION) == E_OK)
return (isgraph(ch) ? TRUE : FALSE);
}
-static void
-demo_forms(void)
+static int
+form_test(bool recur GCC_UNUSED)
{
WINDOW *w;
FORM *form;
#ifdef NCURSES_MOUSE_VERSION
mousemask(ALL_MOUSE_EVENTS, (mmask_t *) 0);
#endif
+ return OK;
}
#endif /* USE_LIBFORM */
*
****************************************************************************/
+#if HAVE_COPYWIN /* ...and overlay, overwrite */
static void
fillwin(WINDOW *win, char ch)
{
}
/* test effects of overlapping windows */
-static void
-overlap_test(void)
+static int
+overlap_test(bool recur GCC_UNUSED)
{
int ch;
int state, flavor[OVERLAP_FLAVORS];
delwin(win2);
delwin(win1);
erase();
- curs_set(1);
- endwin();
+ exit_curses();
+ return OK;
}
+#endif /* HAVE_COPYWIN */
+
static void
show_setting_name(const char *name)
{
AddCh('\n');
}
-static void
-show_settings(void)
+static int
+settings_test(bool recur GCC_UNUSED)
{
#if USE_WIDEC_SUPPORT
wchar_t ch;
show_boolean_setting("has_il", has_il());
Pause();
erase();
- endwin();
+ exit_curses();
+ return OK;
}
/****************************************************************************
*
****************************************************************************/
-static bool
-do_single_test(const char c)
-/* perform a single specified test */
-{
- switch (c) {
- case 'a':
- getch_test();
- break;
-
-#if USE_WIDEC_SUPPORT
- case 'A':
- get_wch_test();
- break;
-#endif
-
- case 'b':
- attr_test();
- break;
-
-#if USE_WIDEC_SUPPORT
- case 'B':
- wide_attr_test();
- break;
-#endif
-
- case 'c':
- if (!use_colors)
- Cannot("does not support color.");
- else
- color_test();
- break;
-
-#if USE_WIDEC_SUPPORT
- case 'C':
- if (!use_colors)
- Cannot("does not support color.");
- else
- wide_color_test();
- break;
-#endif
-
- case 'd':
- if (!use_colors)
- Cannot("does not support color.");
- else if (!can_change_color())
- Cannot("has hardwired color values.");
- else
- color_edit();
- break;
-
-#if USE_SOFTKEYS
- case 'e':
- slk_test();
- break;
-
-#if USE_WIDEC_SUPPORT
- case 'E':
- wide_slk_test();
- break;
-#endif
-#endif
-
- case 'f':
- acs_display();
- break;
-
-#if USE_WIDEC_SUPPORT
- case 'F':
- wide_acs_display();
- break;
-#endif
-
-#if USE_LIBPANEL
- case 'o':
- demo_panels(init_panel, fill_panel);
- break;
-#endif
-
-#if USE_WIDEC_SUPPORT && USE_LIBPANEL
- case 'O':
- demo_panels(init_wide_panel, fill_wide_panel);
- break;
-#endif
-
- case 'g':
- acs_and_scroll();
- break;
-
- case 'i':
- flushinp_test(stdscr);
- break;
-
- case 'k':
- test_sgr_attributes();
- break;
-
-#if USE_LIBMENU
- case 'm':
- menu_test();
- break;
-#endif
-
- case 'p':
- demo_pad(FALSE);
- break;
-
- case 'P':
- demo_pad(TRUE);
- break;
-
-#if USE_LIBFORM
- case 'r':
- demo_forms();
- break;
-#endif
-
- case 's':
- overlap_test();
- break;
-
-#if USE_LIBMENU && defined(TRACE)
- case 't':
- trace_set();
- break;
-#endif
-
- case 'v':
- show_settings();
- break;
-
- case '?':
- break;
-
- default:
- return FALSE;
- }
-
- return TRUE;
-}
-
static void
usage(void)
{
," -h rip-off header line (can repeat)"
#endif
," -m do not use colors"
+#if HAVE_COLOR_CONTENT
," -p file rgb values to use in 'd' rather than ncurses's builtin"
+#endif
#if USE_LIBPANEL
," -s msec specify nominal time for panel-demo (default: 1, to hold)"
#endif
#ifdef TRACE
," -t mask specify default trace-level (may toggle with ^T)"
#endif
+#if HAVE_COLOR_CONTENT
," -x use xterm-compatible control for reading color palette"
+#endif
};
size_t n;
for (n = 0; n < SIZEOF(tbl); n++)
static void
main_menu(bool top)
{
- char command;
-
- do {
- (void) puts("This is the ncurses main menu");
- (void) puts("a = keyboard and mouse input test");
-#if USE_WIDEC_SUPPORT
- (void) puts("A = wide-character keyboard and mouse input test");
-#endif
- (void) puts("b = character attribute test");
#if USE_WIDEC_SUPPORT
- (void) puts("B = wide-character attribute test");
+ typedef struct {
+ bool recur;
+ int (*narrow_func) (bool);
+ int (*wide_func) (bool);
+ int code;
+ const char *help;
+ } MyCmds;
+#define BOTH(a) a, x_ ## a
+#define ONLY(a) a, NULL
+#define CMDS(recur, funcs,code,help) { recur, funcs, code, help }
+#else
+ typedef struct {
+ bool recur;
+ int (*narrow_func) (bool);
+ int code;
+ const char *help;
+ } MyCmds;
+#define BOTH(a) a
+#define ONLY(a) a
+#define CMDS(recur, funcs,code,help) { recur, funcs, code, help }
#endif
- (void) puts("c = color test pattern");
-#if USE_WIDEC_SUPPORT
- (void) puts("C = color test pattern using wide-character calls");
+ /* *INDENT-OFF* */
+ static MyCmds cmds[] =
+ {
+ CMDS(TRUE, BOTH(getch_test), 'a', "keyboard and mouse input test"),
+ CMDS(TRUE, BOTH(attr_test), 'b', "character attribute test"),
+ CMDS(TRUE, BOTH(color_test), 'c', "color test pattern"),
+#if HAVE_COLOR_CONTENT
+ CMDS(FALSE, ONLY(color_edit), 'd', "edit RGB color values"),
#endif
- if (top)
- (void) puts("d = edit RGB color values");
#if USE_SOFTKEYS
- (void) puts("e = exercise soft keys");
-#if USE_WIDEC_SUPPORT
- (void) puts("E = exercise soft keys using wide-characters");
-#endif
+ CMDS(TRUE, BOTH(slk_test), 'e', "exercise soft keys"),
#endif
- (void) puts("f = display ACS characters");
-#if USE_WIDEC_SUPPORT
- (void) puts("F = display Wide-ACS characters");
+ CMDS(TRUE, BOTH(acs_test), 'f', "display ACS characters"),
+ CMDS(TRUE, ONLY(scroll_test), 'g', "display windows and scrolling"),
+ CMDS(TRUE, ONLY(flushinp_test), 'i', "test flushinp()"),
+ CMDS(TRUE, ONLY(sgr_attr_test), 'k', "display character attributes"),
+#if USE_LIBMENU
+ CMDS(TRUE, ONLY(menu_test), 'm', "exercise menu library"),
#endif
- (void) puts("g = display windows and scrolling");
- (void) puts("i = test of flushinp()");
- (void) puts("k = display character attributes");
#if USE_LIBMENU
- (void) puts("m = menu code test");
+ CMDS(TRUE, BOTH(panel_test), 'o', "exercise panel library"),
#endif
-#if USE_LIBPANEL
- (void) puts("o = exercise panels library");
-#if USE_WIDEC_SUPPORT
- (void) puts("O = exercise panels with wide-characters");
+#if HAVE_NEWPAD
+ CMDS(TRUE, ONLY(pad_test), 'p', "exercise pad features"),
#endif
+ CMDS(TRUE, ONLY(NULL), 'q', "quit"),
+#if USE_LIBMENU
+ CMDS(TRUE, ONLY(form_test), 'r', "exercise form library"),
#endif
- (void) puts("p = exercise pad features");
- (void) puts("P = exercise pad features, using color");
- (void) puts("q = quit");
-#if USE_LIBFORM
- (void) puts("r = exercise forms code");
+#if HAVE_COPYWIN
+ CMDS(TRUE, ONLY(overlap_test), 's', "overlapping-refresh test"),
#endif
- (void) puts("s = overlapping-refresh test");
#if USE_LIBMENU && defined(TRACE)
- (void) puts("t = set trace level");
+ CMDS(TRUE, ONLY(trace_set), 't', "set trace level"),
+#endif
+ CMDS(TRUE, ONLY(settings_test), 'v', "show terminal name and settings"),
+ CMDS(FALSE, ONLY(NULL), '?', "repeat this command summary")
+ };
+ /* *INDENT-ON* */
+
+ int (*doit) (bool);
+ char command;
+ unsigned n;
+
+ do {
+ printf("This is the ncurses main menu (uppercase for wide-characters)\n");
+ for (n = 0; n < SIZEOF(cmds); ++n) {
+ if (top || cmds[n].recur) {
+ putchar(' ');
+#if USE_WIDEC_SUPPORT
+ if (cmds[n].wide_func) {
+ printf("%c,", toupper(cmds[n].code));
+ }
#endif
- (void) puts("v = show terminal name and settings");
- (void) puts("? = repeat this command summary");
+ printf("%c\t= %s\n", cmds[n].code, cmds[n].help);
+ }
+ }
(void) fputs("> ", stdout);
(void) fflush(stdout); /* necessary under SVr4 curses */
}
}
- if (do_single_test(command)) {
+ doit = NULL;
+ for (n = 0; n < SIZEOF(cmds); ++n) {
+ if (cmds[n].code == command) {
+ doit = cmds[n].narrow_func;
+ break;
+ }
+#if USE_WIDEC_SUPPORT
+ if (toupper(cmds[n].code) == command) {
+ doit = cmds[n].wide_func;
+ break;
+ }
+#endif
+ }
+
+ if (doit != NULL && doit(FALSE) == OK) {
/*
* This may be overkill; it's intended to reset everything back
* to the initial terminal modes so that tests don't get in
bool assumed_colors = FALSE;
bool default_colors = FALSE;
#endif
- char *palette_file = 0;
bool monochrome = FALSE;
+#if HAVE_COLOR_CONTENT
bool xterm_colors = FALSE;
+ char *palette_file = 0;
+#endif
setlocale(LC_ALL, "");
case 'm':
monochrome = TRUE;
break;
+#if HAVE_COLOR_CONTENT
case 'p':
palette_file = optarg;
break;
+#endif
#if USE_LIBPANEL
case 's':
nap_msec = (int) atol(optarg);
save_trace = (unsigned) strtol(optarg, 0, 0);
break;
#endif
+#if HAVE_COLOR_CONTENT
case 'x':
xterm_colors = TRUE;
break;
+#endif
default:
usage();
}
#endif
max_pairs = COLOR_PAIRS; /* was > 256 ? 256 : COLOR_PAIRS */
+#if HAVE_COLOR_CONTENT
if (can_change_color()) {
init_all_colors(xterm_colors, palette_file);
}
+#endif
}
/*