Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
Thomas E. Dickey (beginning revision 1.27 in 1996).
-$Id: ncurses.c,v 1.302 2008/02/23 23:07:28 tom Exp $
+$Id: ncurses.c,v 1.309 2008/03/08 20:57:09 tom Exp $
***************************************************************************/
#endif
+#define ToggleAcs(temp,real) temp = ((temp == real) ? 0 : real)
+
#define P(string) printw("%s\n", string)
#define BLANK ' ' /* this is the background character */
* Alternate character-set stuff
*
****************************************************************************/
+/* *INDENT-OFF* */
+static struct {
+ chtype attr;
+ const char *name;
+} attrs_to_cycle[] = {
+ { A_NORMAL, "normal" },
+ { A_BOLD, "bold" },
+ { A_REVERSE, "reverse" },
+ { A_UNDERLINE, "underline" },
+};
+/* *INDENT-ON* */
+
+static bool
+cycle_attr(int ch, unsigned *at_code, chtype *attr)
+{
+ bool result = TRUE;
+
+ switch (ch) {
+ case 'v':
+ if ((*at_code += 1) >= SIZEOF(attrs_to_cycle))
+ *at_code = 0;
+ break;
+ case 'V':
+ if (*at_code == 1)
+ *at_code = SIZEOF(attrs_to_cycle) - 1;
+ else
+ *at_code -= 1;
+ break;
+ default:
+ result = FALSE;
+ break;
+ }
+ if (result)
+ *attr = attrs_to_cycle[*at_code].attr;
+ return result;
+}
+
+static bool
+cycle_colors(int ch, int *fg, int *bg, short *pair)
+{
+ bool result = FALSE;
+
+ if (use_colors) {
+ result = TRUE;
+ switch (ch) {
+ case 'F':
+ if ((*fg -= 1) < 0)
+ *fg = COLORS - 1;
+ break;
+ case 'f':
+ if ((*fg += 1) >= COLORS)
+ *fg = 0;
+ break;
+ case 'B':
+ if ((*bg -= 1) < 0)
+ *bg = COLORS - 1;
+ break;
+ case 'b':
+ if ((*bg += 1) >= COLORS)
+ *bg = 0;
+ break;
+ default:
+ result = FALSE;
+ break;
+ }
+ if (result) {
+ *pair = (*fg != COLOR_BLACK || *bg != COLOR_BLACK);
+ if (*pair != 0) {
+ *pair = 1;
+ if (init_pair(*pair, *fg, *bg) == ERR) {
+ result = FALSE;
+ }
+ }
+ }
+ }
+ return result;
+}
/* ISO 6429: codes 0x80 to 0x9f may be control characters that cause the
* terminal to perform functions. The remaining codes can be graphic.
*/
static void
-show_upper_chars(unsigned first)
+show_upper_chars(unsigned first, int repeat, attr_t attr, short pair)
{
bool C1 = (first == 128);
unsigned code;
refresh();
for (code = first; code <= last; code++) {
+ int count = repeat;
int row = 2 + ((code - first) % 16);
int col = ((code - first) / 16) * COLS / 2;
char tmp[80];
sprintf(tmp, "%3u (0x%x)", code, code);
mvprintw(row, col, "%*s: ", COLS / 4, tmp);
- if (C1)
- nodelay(stdscr, TRUE);
- echochar(code);
- if (C1) {
- /* (yes, this _is_ crude) */
- while ((reply = Getchar()) != ERR) {
- addch(UChar(reply));
- napms(10);
+
+ do {
+ if (C1)
+ nodelay(stdscr, TRUE);
+ echochar(code | attr | COLOR_PAIR(pair));
+ if (C1) {
+ /* (yes, this _is_ crude) */
+ while ((reply = Getchar()) != ERR) {
+ addch(UChar(reply));
+ napms(10);
+ }
+ nodelay(stdscr, FALSE);
}
- nodelay(stdscr, FALSE);
- }
+ } while (--count > 0);
}
}
+#define PC_COLS 4
+
static void
-show_pc_chars(void)
+show_pc_chars(int repeat, attr_t attr, short pair)
{
unsigned code;
refresh();
for (code = 0; code < 16; ++code) {
- mvprintw(2, (int) code * 3 + 8, "%X", code);
+ mvprintw(2, (int) code * PC_COLS + 8, "%X", code);
}
for (code = 0; code < 256; code++) {
+ int count = repeat;
int row = 3 + (code / 16) + (code >= 128);
- int col = 8 + (code % 16) * 3;
+ int col = 8 + (code % 16) * PC_COLS;
if ((code % 16) == 0)
mvprintw(row, 0, "0x%02x:", code);
move(row, col);
- switch (code) {
- case '\n':
- case '\r':
- case '\b':
- case '\f':
- case '\033':
- case 0x9b:
- /*
- * Skip the ones that do not work.
- */
- break;
- default:
- addch(code | A_ALTCHARSET);
- break;
- }
+ do {
+ switch (code) {
+ case '\n':
+ case '\r':
+ case '\b':
+ case '\f':
+ case '\033':
+ case 0x9b:
+ /*
+ * Skip the ones that do not work.
+ */
+ break;
+ default:
+ addch(code | A_ALTCHARSET | attr | COLOR_PAIR(pair));
+ break;
+ }
+ } while (--count > 0);
}
}
static void
-show_box_chars(void)
+show_box_chars(int repeat, attr_t attr, short pair)
{
+ (void) repeat;
+ attr |= COLOR_PAIR(pair);
+
erase();
attron(A_BOLD);
mvaddstr(0, 20, "Display of the ACS Line-Drawing Set");
refresh();
box(stdscr, 0, 0);
/* *INDENT-OFF* */
- mvhline(LINES / 2, 0, ACS_HLINE, COLS);
- mvvline(0, COLS / 2, ACS_VLINE, LINES);
- mvaddch(0, COLS / 2, ACS_TTEE);
- mvaddch(LINES / 2, COLS / 2, ACS_PLUS);
- mvaddch(LINES - 1, COLS / 2, ACS_BTEE);
- mvaddch(LINES / 2, 0, ACS_LTEE);
- mvaddch(LINES / 2, COLS - 1, ACS_RTEE);
+ mvhline(LINES / 2, 0, ACS_HLINE | attr, COLS);
+ mvvline(0, COLS / 2, ACS_VLINE | attr, LINES);
+ mvaddch(0, COLS / 2, ACS_TTEE | attr);
+ mvaddch(LINES / 2, COLS / 2, ACS_PLUS | attr);
+ mvaddch(LINES - 1, COLS / 2, ACS_BTEE | attr);
+ mvaddch(LINES / 2, 0, ACS_LTEE | attr);
+ mvaddch(LINES / 2, COLS - 1, ACS_RTEE | attr);
/* *INDENT-ON* */
}
static int
-show_1_acs(int n, const char *name, chtype code)
+show_1_acs(int n, int repeat, const char *name, chtype code)
{
const int height = 16;
int row = 2 + (n % height);
int col = (n / height) * COLS / 2;
+
mvprintw(row, col, "%*s : ", COLS / 4, name);
- addch(code);
+ do {
+ addch(code);
+ } while (--repeat > 0);
return n + 1;
}
static void
-show_acs_chars(void)
+show_acs_chars(int repeat, attr_t attr, short pair)
/* display the ACS character set */
{
int n;
-#define BOTH(name) #name, name
+#define BOTH(name) #name, (name | attr | COLOR_PAIR(pair))
erase();
attron(A_BOLD);
attroff(A_BOLD);
refresh();
- n = show_1_acs(0, BOTH(ACS_ULCORNER));
- n = show_1_acs(n, BOTH(ACS_URCORNER));
- n = show_1_acs(n, BOTH(ACS_LLCORNER));
- n = show_1_acs(n, BOTH(ACS_LRCORNER));
+ n = show_1_acs(0, repeat, BOTH(ACS_ULCORNER));
+ n = show_1_acs(n, repeat, BOTH(ACS_URCORNER));
+ n = show_1_acs(n, repeat, BOTH(ACS_LLCORNER));
+ n = show_1_acs(n, repeat, BOTH(ACS_LRCORNER));
- n = show_1_acs(n, BOTH(ACS_LTEE));
- n = show_1_acs(n, BOTH(ACS_RTEE));
- n = show_1_acs(n, BOTH(ACS_TTEE));
- n = show_1_acs(n, BOTH(ACS_BTEE));
+ n = show_1_acs(n, repeat, BOTH(ACS_LTEE));
+ n = show_1_acs(n, repeat, BOTH(ACS_RTEE));
+ n = show_1_acs(n, repeat, BOTH(ACS_TTEE));
+ n = show_1_acs(n, repeat, BOTH(ACS_BTEE));
- n = show_1_acs(n, BOTH(ACS_HLINE));
- n = show_1_acs(n, BOTH(ACS_VLINE));
+ n = show_1_acs(n, repeat, BOTH(ACS_HLINE));
+ n = show_1_acs(n, repeat, BOTH(ACS_VLINE));
/*
* HPUX's ACS definitions are broken here. Just give up.
*/
#if !(defined(__hpux) && !defined(NCURSES_VERSION))
- n = show_1_acs(n, BOTH(ACS_LARROW));
- n = show_1_acs(n, BOTH(ACS_RARROW));
- n = show_1_acs(n, BOTH(ACS_UARROW));
- n = show_1_acs(n, BOTH(ACS_DARROW));
-
- n = show_1_acs(n, BOTH(ACS_BLOCK));
- n = show_1_acs(n, BOTH(ACS_BOARD));
- n = show_1_acs(n, BOTH(ACS_LANTERN));
- n = show_1_acs(n, BOTH(ACS_BULLET));
- n = show_1_acs(n, BOTH(ACS_CKBOARD));
- n = show_1_acs(n, BOTH(ACS_DEGREE));
- n = show_1_acs(n, BOTH(ACS_DIAMOND));
- n = show_1_acs(n, BOTH(ACS_PLMINUS));
- n = show_1_acs(n, BOTH(ACS_PLUS));
-
- n = show_1_acs(n, BOTH(ACS_GEQUAL));
- n = show_1_acs(n, BOTH(ACS_NEQUAL));
- n = show_1_acs(n, BOTH(ACS_LEQUAL));
-
- n = show_1_acs(n, BOTH(ACS_STERLING));
- n = show_1_acs(n, BOTH(ACS_PI));
- n = show_1_acs(n, BOTH(ACS_S1));
- n = show_1_acs(n, BOTH(ACS_S3));
- n = show_1_acs(n, BOTH(ACS_S7));
- n = show_1_acs(n, BOTH(ACS_S9));
+ n = show_1_acs(n, repeat, BOTH(ACS_LARROW));
+ n = show_1_acs(n, repeat, BOTH(ACS_RARROW));
+ n = show_1_acs(n, repeat, BOTH(ACS_UARROW));
+ n = show_1_acs(n, repeat, BOTH(ACS_DARROW));
+
+ n = show_1_acs(n, repeat, BOTH(ACS_BLOCK));
+ n = show_1_acs(n, repeat, BOTH(ACS_BOARD));
+ n = show_1_acs(n, repeat, BOTH(ACS_LANTERN));
+ n = show_1_acs(n, repeat, BOTH(ACS_BULLET));
+ n = show_1_acs(n, repeat, BOTH(ACS_CKBOARD));
+ n = show_1_acs(n, repeat, BOTH(ACS_DEGREE));
+ n = show_1_acs(n, repeat, BOTH(ACS_DIAMOND));
+ n = show_1_acs(n, repeat, BOTH(ACS_PLMINUS));
+ n = show_1_acs(n, repeat, BOTH(ACS_PLUS));
+
+ n = show_1_acs(n, repeat, BOTH(ACS_GEQUAL));
+ n = show_1_acs(n, repeat, BOTH(ACS_NEQUAL));
+ n = show_1_acs(n, repeat, BOTH(ACS_LEQUAL));
+
+ n = show_1_acs(n, repeat, BOTH(ACS_STERLING));
+ n = show_1_acs(n, repeat, BOTH(ACS_PI));
+ n = show_1_acs(n, repeat, BOTH(ACS_S1));
+ n = show_1_acs(n, repeat, BOTH(ACS_S3));
+ n = show_1_acs(n, repeat, BOTH(ACS_S7));
+ n = show_1_acs(n, repeat, BOTH(ACS_S9));
#endif
}
const char *pch_kludge = ((term != 0 && strstr(term, "linux"))
? "p=PC, "
: "");
+ chtype attr = A_NORMAL;
+ int digit = 0;
+ int repeat = 1;
+ int fg = COLOR_BLACK;
+ int bg = COLOR_BLACK;
+ unsigned at_code = 0;
+ short pair = 0;
+ void (*last_show_acs) (int, attr_t, short) = 0;
do {
switch (c) {
Repaint();
break;
case 'a':
- show_acs_chars();
+ ToggleAcs(last_show_acs, show_acs_chars);
+ break;
+ case 'p':
+ if (*pch_kludge)
+ ToggleAcs(last_show_acs, show_pc_chars);
+ else
+ beep();
break;
case 'x':
- show_box_chars();
+ ToggleAcs(last_show_acs, show_box_chars);
break;
case '0':
case '1':
case '2':
case '3':
- show_upper_chars((unsigned) ((c - '0') * 32 + 128));
+ digit = (c - '0');
+ last_show_acs = 0;
break;
- case 'p':
- show_pc_chars();
+ case '-':
+ if (digit > 0) {
+ --digit;
+ last_show_acs = 0;
+ } else {
+ beep();
+ }
+ break;
+ case '+':
+ if (digit < 3) {
+ ++digit;
+ last_show_acs = 0;
+ } else {
+ beep();
+ }
+ break;
+ case '>':
+ if (repeat < (COLS / 4))
+ ++repeat;
+ break;
+ case '<':
+ if (repeat > 1)
+ --repeat;
break;
default:
- beep();
+ if (cycle_attr(c, &at_code, &attr)
+ || cycle_colors(c, &fg, &bg, &pair)) {
+ break;
+ } else {
+ beep();
+ }
break;
}
+ if (last_show_acs != 0)
+ last_show_acs(repeat, attr, pair);
+ else
+ show_upper_chars(digit * 32 + 128, repeat, attr, pair);
+
mvprintw(LINES - 3, 0,
"Note: ANSI terminals may not display C1 characters.");
mvprintw(LINES - 2, 0,
- "Select: a=ACS, x=box, %s0=C1, 1,2,3=GR characters, ESC=quit",
+ "Select: a=ACS, x=box, %s0=C1, 1-3,+/- non-ASCII, </> repeat, ESC=quit",
pch_kludge);
+ if (use_colors) {
+ mvprintw(LINES - 1, 0,
+ "v/V, f/F, b/B cycle through video attributes (%s) and color %d/%d.",
+ attrs_to_cycle[at_code].name,
+ fg, bg);
+ } else {
+ mvprintw(LINES - 1, 0,
+ "v/V cycles through video attributes (%s).",
+ attrs_to_cycle[at_code].name);
+ }
refresh();
} while (!isQuit(c = Getchar()));
*dst = *src;
if (count > 0) {
- if ((wch = typeMalloc(wchar_t, count)) != 0) {
+ if ((wch = typeMalloc(wchar_t, count + 1)) != 0) {
if (getcchar(src, wch, &ignore_attr, &ignore_pair, 0) != ERR) {
attr |= (ignore_attr & A_ALTCHARSET);
setcchar(dst, wch, attr, pair, 0);
}
static int
-show_1_wacs(int n, const char *name, const cchar_t *code)
+show_1_wacs(int n, int repeat, const char *name, const cchar_t *code)
{
const int height = 16;
int row = 2 + (n % height);
int col = (n / height) * COLS / 2;
+
mvprintw(row, col, "%*s : ", COLS / 4, name);
- add_wchnstr(code, 1);
+ while (repeat-- >= 0) {
+ add_wch(code);
+ }
return n + 1;
}
#define MERGE_ATTR(wch) merge_wide_attr(&temp, wch, attr, pair)
static void
-show_wacs_chars(attr_t attr, short pair)
+show_wacs_chars(int repeat, attr_t attr, short pair)
/* display the wide-ACS character set */
{
cchar_t temp;
attroff(A_BOLD);
refresh();
- n = show_1_wacs(0, BOTH2(WACS_ULCORNER));
- n = show_1_wacs(n, BOTH2(WACS_URCORNER));
- n = show_1_wacs(n, BOTH2(WACS_LLCORNER));
- n = show_1_wacs(n, BOTH2(WACS_LRCORNER));
-
- n = show_1_wacs(n, BOTH2(WACS_LTEE));
- n = show_1_wacs(n, BOTH2(WACS_RTEE));
- n = show_1_wacs(n, BOTH2(WACS_TTEE));
- n = show_1_wacs(n, BOTH2(WACS_BTEE));
-
- n = show_1_wacs(n, BOTH2(WACS_HLINE));
- n = show_1_wacs(n, BOTH2(WACS_VLINE));
-
- n = show_1_wacs(n, BOTH2(WACS_LARROW));
- n = show_1_wacs(n, BOTH2(WACS_RARROW));
- n = show_1_wacs(n, BOTH2(WACS_UARROW));
- n = show_1_wacs(n, BOTH2(WACS_DARROW));
-
- n = show_1_wacs(n, BOTH2(WACS_BLOCK));
- n = show_1_wacs(n, BOTH2(WACS_BOARD));
- n = show_1_wacs(n, BOTH2(WACS_LANTERN));
- n = show_1_wacs(n, BOTH2(WACS_BULLET));
- n = show_1_wacs(n, BOTH2(WACS_CKBOARD));
- n = show_1_wacs(n, BOTH2(WACS_DEGREE));
- n = show_1_wacs(n, BOTH2(WACS_DIAMOND));
- n = show_1_wacs(n, BOTH2(WACS_PLMINUS));
- n = show_1_wacs(n, BOTH2(WACS_PLUS));
+ n = show_1_wacs(0, repeat, BOTH2(WACS_ULCORNER));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_URCORNER));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LLCORNER));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LRCORNER));
+
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LTEE));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_RTEE));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_TTEE));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_BTEE));
+
+ n = show_1_wacs(n, repeat, BOTH2(WACS_HLINE));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_VLINE));
+
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LARROW));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_RARROW));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_UARROW));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_DARROW));
+
+ n = show_1_wacs(n, repeat, BOTH2(WACS_BLOCK));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_BOARD));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LANTERN));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_BULLET));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_CKBOARD));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_DEGREE));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_DIAMOND));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_PLMINUS));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_PLUS));
#ifdef CURSES_WACS_ARRAY
- n = show_1_wacs(n, BOTH2(WACS_GEQUAL));
- n = show_1_wacs(n, BOTH2(WACS_NEQUAL));
- n = show_1_wacs(n, BOTH2(WACS_LEQUAL));
-
- n = show_1_wacs(n, BOTH2(WACS_STERLING));
- n = show_1_wacs(n, BOTH2(WACS_PI));
- n = show_1_wacs(n, BOTH2(WACS_S1));
- n = show_1_wacs(n, BOTH2(WACS_S3));
- n = show_1_wacs(n, BOTH2(WACS_S7));
- n = show_1_wacs(n, BOTH2(WACS_S9));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_GEQUAL));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_NEQUAL));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_LEQUAL));
+
+ n = show_1_wacs(n, repeat, BOTH2(WACS_STERLING));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_PI));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_S1));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_S3));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_S7));
+ n = show_1_wacs(n, repeat, BOTH2(WACS_S9));
#endif
}
#define MERGE_ATTR(wch) merge_wide_attr(&temp, wch, attr, pair)
static void
-show_wbox_chars(attr_t attr, short pair)
+show_wbox_chars(int repeat, attr_t attr, short pair)
{
cchar_t temp;
+ (void) repeat;
erase();
attron(A_BOLD);
mvaddstr(0, 20, "Display of the Wide-ACS Line-Drawing Set");
#define SHOW_UTF8(n, name, code) show_2_wacs(n, name, code, attr, pair)
static void
-show_utf8_chars(attr_t attr, short pair)
+show_utf8_chars(int repeat, attr_t attr, short pair)
{
int n;
+ (void) repeat;
erase();
attron(A_BOLD);
mvaddstr(0, 20, "Display of the Wide-ACS Character Set");
/* *INDENT-ON* */
}
-/* *INDENT-OFF* */
-static struct {
- chtype attr;
- const char *name;
-} attrs_to_cycle[] = {
- { A_NORMAL, "normal" },
- { A_BOLD, "bold" },
- { A_REVERSE, "reverse" },
- { A_UNDERLINE, "underline" },
-};
-/* *INDENT-ON* */
-
-static bool
-cycle_attr(int ch, unsigned *at_code, chtype *attr)
-{
- bool result = TRUE;
-
- switch (ch) {
- case 'v':
- if ((*at_code += 1) >= SIZEOF(attrs_to_cycle))
- *at_code = 0;
- break;
- case 'V':
- if (*at_code == 1)
- *at_code = SIZEOF(attrs_to_cycle) - 1;
- else
- *at_code -= 1;
- break;
- default:
- result = FALSE;
- break;
- }
- if (result)
- *attr = attrs_to_cycle[*at_code].attr;
- return result;
-}
-
-static bool
-cycle_colors(int ch, int *fg, int *bg, short *pair)
-{
- bool result = FALSE;
-
- if (use_colors) {
- result = TRUE;
- switch (ch) {
- case 'F':
- if ((*fg -= 1) < 0)
- *fg = COLORS - 1;
- break;
- case 'f':
- if ((*fg += 1) >= COLORS)
- *fg = 0;
- break;
- case 'B':
- if ((*bg -= 1) < 0)
- *bg = COLORS - 1;
- break;
- case 'b':
- if ((*bg += 1) < 0)
- *bg = 0;
- break;
- default:
- result = FALSE;
- break;
- }
- if (result) {
- *pair = (*fg != COLOR_BLACK || *bg != COLOR_BLACK);
- if (*pair != 0) {
- *pair = 1;
- if (init_pair(*pair, *fg, *bg) == ERR) {
- result = FALSE;
- }
- }
- }
- }
- return result;
-}
/* display the wide-ACS character set */
static void
{
int c = 'a';
int digit = 0;
- int repeat = 0;
+ int repeat = 1;
int space = ' ';
chtype attr = A_NORMAL;
int fg = COLOR_BLACK;
int bg = COLOR_BLACK;
unsigned at_code = 0;
short pair = 0;
- void (*last_show_wacs) (attr_t, short) = 0;
+ void (*last_show_wacs) (int, attr_t, short) = 0;
do {
switch (c) {
Repaint();
break;
case 'a':
- last_show_wacs = show_wacs_chars;
+ ToggleAcs(last_show_wacs, show_wacs_chars);
break;
case 'x':
- last_show_wacs = show_wbox_chars;
+ ToggleAcs(last_show_wacs, show_wbox_chars);
break;
case 'u':
- last_show_wacs = show_utf8_chars;
+ ToggleAcs(last_show_wacs, show_utf8_chars);
break;
default:
if (c < 256 && isdigit(c)) {
digit = (c - '0');
+ last_show_wacs = 0;
} else if (c == '+') {
++digit;
+ last_show_wacs = 0;
} else if (c == '-' && digit > 0) {
--digit;
+ last_show_wacs = 0;
} else if (c == '>' && repeat < (COLS / 4)) {
++repeat;
- } else if (c == '<' && repeat > 0) {
+ } else if (c == '<' && repeat > 1) {
--repeat;
} else if (c == '_') {
space = (space == ' ') ? '_' : ' ';
+ last_show_wacs = 0;
} else if (cycle_attr(c, &at_code, &attr)
|| cycle_colors(c, &fg, &bg, &pair)) {
if (last_show_wacs != 0)
beep();
break;
}
- last_show_wacs = 0;
- show_upper_widechars(digit * 32 + 128, repeat, space, attr, pair);
break;
}
if (last_show_wacs != 0)
- last_show_wacs(attr, pair);
+ last_show_wacs(repeat, attr, pair);
+ else
+ show_upper_widechars(digit * 32 + 128, repeat, space, attr, pair);
mvprintw(LINES - 3, 0,
"Select: a WACS, x box, u UTF-8, 0-9,+/- non-ASCII, </> repeat, ESC=quit");
/****************************************************************************
- * Copyright (c) 1998-2002,2006 Free Software Foundation, Inc. *
+ * Copyright (c) 1998-2006,2008 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 *
* authorization. *
****************************************************************************/
/*
- * $Id: rain.c,v 1.22 2006/05/20 15:34:27 tom Exp $
+ * $Id: rain.c,v 1.26 2008/03/09 00:17:09 tom Exp $
*/
#include <test.priv.h>
/* rain 11/3/1980 EPS/CITHEP */
-static float ranf(void);
-static void onsig(int sig);
+#ifdef USE_PTHREADS
+#include <pthread.h>
+#endif
+
+WANT_USE_WINDOW();
+
+#define MAX_DROP 5
+
+struct DATA;
+
+typedef void (*DrawPart) (struct DATA *);
+
+typedef struct DATA {
+ int y, x;
+#ifdef USE_PTHREADS
+ pthread_t thread;
+ DrawPart func;
+ int state;
+#endif
+} DATA;
+
+static void
+onsig(int n GCC_UNUSED)
+{
+ curs_set(1);
+ endwin();
+ ExitProgram(EXIT_FAILURE);
+}
+
+static float
+ranf(void)
+{
+ long r = (rand() & 077777);
+ return ((float) r / 32768.);
+}
+
+static int
+random_x(void)
+{
+ return (((float) (COLS - 4) * ranf()) + 2);
+}
+
+static int
+random_y(void)
+{
+ return (((float) (LINES - 4) * ranf()) + 2);
+}
static int
next_j(int j)
{
if (j == 0)
- j = 4;
+ j = MAX_DROP - 1;
else
--j;
if (has_colors()) {
return j;
}
+static void
+part1(DATA * drop)
+{
+ mvaddch(drop->y, drop->x, '.');
+}
+
+static void
+part2(DATA * drop)
+{
+ mvaddch(drop->y, drop->x, 'o');
+}
+
+static void
+part3(DATA * drop)
+{
+ mvaddch(drop->y, drop->x, 'O');
+}
+
+static void
+part4(DATA * drop)
+{
+ mvaddch(drop->y - 1, drop->x, '-');
+ mvaddstr(drop->y, drop->x - 1, "|.|");
+ mvaddch(drop->y + 1, drop->x, '-');
+}
+
+static void
+part5(DATA * drop)
+{
+ mvaddch(drop->y - 2, drop->x, '-');
+ mvaddstr(drop->y - 1, drop->x - 1, "/ \\");
+ mvaddstr(drop->y, drop->x - 2, "| O |");
+ mvaddstr(drop->y + 1, drop->x - 1, "\\ /");
+ mvaddch(drop->y + 2, drop->x, '-');
+}
+
+static void
+part6(DATA * drop)
+{
+ mvaddch(drop->y - 2, drop->x, ' ');
+ mvaddstr(drop->y - 1, drop->x - 1, " ");
+ mvaddstr(drop->y, drop->x - 2, " ");
+ mvaddstr(drop->y + 1, drop->x - 1, " ");
+ mvaddch(drop->y + 2, drop->x, ' ');
+}
+
+#ifdef USE_PTHREADS
+static void
+napsome(void)
+{
+ refresh();
+ napms(60);
+}
+
+/*
+ * This runs inside the mutex.
+ */
+static int
+really_draw(WINDOW *win, void *arg)
+{
+ DATA *data = (DATA *) arg;
+
+ (void) win;
+ next_j(data->state);
+ data->func(data);
+ return OK;
+}
+
+static void
+draw_part(void (*func) (DATA *), int state, DATA * data)
+{
+ data->func = func;
+ data->state = state;
+ use_window(stdscr, really_draw, (void *) data);
+ napsome();
+}
+
+static void *
+draw_drop(void *arg)
+{
+ DATA mydata;
+
+ mydata = *(DATA *) arg; /* make a copy of caller's data */
+
+ draw_part(part1, 0, &mydata);
+ draw_part(part2, 1, &mydata);
+ draw_part(part3, 2, &mydata);
+ draw_part(part4, 3, &mydata);
+ draw_part(part5, 4, &mydata);
+ draw_part(part6, 0, &mydata);
+
+ return NULL;
+}
+#endif
+
+static int
+get_input(void)
+{
+ int ch;
+ ch = USING_WINDOW(stdscr, wgetch);
+ return ch;
+}
+
int
-main(
- int argc GCC_UNUSED,
- char *argv[]GCC_UNUSED)
+main(int argc GCC_UNUSED,
+ char *argv[]GCC_UNUSED)
{
- int x, y, j;
- static int xpos[5], ypos[5];
- float r;
- float c;
+ DATA drop;
+ DATA last[MAX_DROP];
+ int j = 0;
+ bool done = FALSE;
setlocale(LC_ALL, "");
curs_set(0);
timeout(0);
- r = (float) (LINES - 4);
- c = (float) (COLS - 4);
- for (j = 5; --j >= 0;) {
- xpos[j] = (int) (c * ranf()) + 2;
- ypos[j] = (int) (r * ranf()) + 2;
+ for (j = MAX_DROP; --j >= 0;) {
+ last[j].x = random_x();
+ last[j].y = random_y();
}
- for (j = 0;;) {
- x = (int) (c * ranf()) + 2;
- y = (int) (r * ranf()) + 2;
+ while (!done) {
+ drop.x = random_x();
+ drop.y = random_y();
- mvaddch(y, x, '.');
+#ifdef USE_PTHREADS
+ if (pthread_create(&(drop.thread), NULL, draw_drop, &drop)) {
+ beep();
+ done = TRUE;
+ continue;
+ }
+#else
+ /*
+ * The non-threaded code draws parts of each drop on each loop.
+ */
+ part1(&drop);
- mvaddch(ypos[j], xpos[j], 'o');
+ part2(&last[j]);
j = next_j(j);
- mvaddch(ypos[j], xpos[j], 'O');
+ part3(&last[j]);
j = next_j(j);
- mvaddch(ypos[j] - 1, xpos[j], '-');
- mvaddstr(ypos[j], xpos[j] - 1, "|.|");
- mvaddch(ypos[j] + 1, xpos[j], '-');
+ part4(&last[j]);
j = next_j(j);
- mvaddch(ypos[j] - 2, xpos[j], '-');
- mvaddstr(ypos[j] - 1, xpos[j] - 1, "/ \\");
- mvaddstr(ypos[j], xpos[j] - 2, "| O |");
- mvaddstr(ypos[j] + 1, xpos[j] - 1, "\\ /");
- mvaddch(ypos[j] + 2, xpos[j], '-');
+ part5(&last[j]);
j = next_j(j);
- mvaddch(ypos[j] - 2, xpos[j], ' ');
- mvaddstr(ypos[j] - 1, xpos[j] - 1, " ");
- mvaddstr(ypos[j], xpos[j] - 2, " ");
- mvaddstr(ypos[j] + 1, xpos[j] - 1, " ");
- mvaddch(ypos[j] + 2, xpos[j], ' ');
+ part6(&last[j]);
- xpos[j] = x;
- ypos[j] = y;
+ last[j] = drop;
+#endif
- switch (getch()) {
+ switch (get_input()) {
case ('q'):
case ('Q'):
- curs_set(1);
- endwin();
- ExitProgram(EXIT_SUCCESS);
+ done = TRUE;
+ break;
case 's':
nodelay(stdscr, FALSE);
break;
break;
#ifdef KEY_RESIZE
case (KEY_RESIZE):
- r = (float) (LINES - 4);
- c = (float) (COLS - 4);
break;
#endif
}
napms(50);
}
-}
-
-static void
-onsig(int n GCC_UNUSED)
-{
curs_set(1);
endwin();
- ExitProgram(EXIT_FAILURE);
-}
-
-static float
-ranf(void)
-{
- long r = (rand() & 077777);
- return ((float) r / 32768.);
+ ExitProgram(EXIT_SUCCESS);
}
projects / ncurses.git / commitdiff