Author: Eric S. Raymond <esr@snark.thyrsus.com> 1993
Thomas E. Dickey (beginning revision 1.27 in 1996).
-$Id: ncurses.c,v 1.401 2014/06/21 18:37:29 tom Exp $
+$Id: ncurses.c,v 1.408 2014/06/28 21:45:40 tom Exp $
***************************************************************************/
#if USE_WIDEC_SUPPORT
static wchar_t
-fullwidth_of(int ch)
+fullwidth_digit(int ch)
{
return (ch + 0xff10 - '0');
}
{
int ch;
while ((ch = *source++) != 0) {
- *target++ = fullwidth_of(ch);
+ *target++ = fullwidth_digit(ch);
}
*target = 0;
}
{
wchar_t source[2];
- source[0] = fullwidth_of(digit + '0');
+ source[0] = fullwidth_digit(digit + '0');
source[1] = 0;
setcchar(target, source, A_NORMAL, 0, 0);
}
#define termattrs() my_termattrs()
#endif
-#define MAX_ATTRSTRING 31
-#define LEN_ATTRSTRING 26
+#define ATTRSTRING_1ST 32 /* ' ' */
+#define ATTRSTRING_END 126 /* '~' */
+
+#define COL_ATTRSTRING 25
+#define MARGIN_4_ATTRS (COL_ATTRSTRING + 8)
+#define LEN_ATTRSTRING (COLS - MARGIN_4_ATTRS)
+#define MAX_ATTRSTRING (ATTRSTRING_END + 1 - ATTRSTRING_1ST)
static char attr_test_string[MAX_ATTRSTRING + 1];
static void
adjust_attr_string(int adjust)
{
- int first = ((int) UChar(attr_test_string[0])) + adjust;
- int last = first + LEN_ATTRSTRING;
+ char save = attr_test_string[0];
+ int first = ((int) UChar(save)) + adjust;
+ int j, k;
- if (first >= ' ' && last <= '~') { /* 32..126 */
- int j, k;
- for (j = 0, k = first; j < MAX_ATTRSTRING && k <= last; ++j, ++k) {
+ if (first >= ATTRSTRING_1ST) {
+ for (j = 0, k = first; j < MAX_ATTRSTRING; ++j, ++k) {
+ if (k > ATTRSTRING_END)
+ break;
attr_test_string[j] = (char) k;
if (((k + 1 - first) % 5) == 0) {
if (++j >= MAX_ATTRSTRING)
attr_test_string[j] = ' ';
}
}
- while (j < MAX_ATTRSTRING)
- attr_test_string[j++] = ' ';
- attr_test_string[j] = '\0';
- } else {
- beep();
+ if ((LEN_ATTRSTRING - j) > 5) {
+ attr_test_string[0] = save;
+ adjust_attr_string(adjust - 1);
+ } else {
+ while (j < MAX_ATTRSTRING)
+ attr_test_string[j++] = ' ';
+ attr_test_string[j] = '\0';
+ }
}
}
+/*
+ * Prefer the right-end of the string for starting, since that maps to the
+ * VT100 line-drawing.
+ */
+static int
+default_attr_string(void)
+{
+ int result = (ATTRSTRING_END - LEN_ATTRSTRING);
+ result += (LEN_ATTRSTRING / 5);
+ if (result < ATTRSTRING_1ST)
+ result = ATTRSTRING_1ST;
+ return result;
+}
+
static void
init_attr_string(void)
{
- attr_test_string[0] = 'a';
+ attr_test_string[0] = (char) default_attr_string();
adjust_attr_string(0);
}
static int
-show_attr(int row, int skip, bool arrow, chtype attr, const char *name)
+show_attr(WINDOW *win, int row, int skip, bool arrow, chtype attr, const char *name)
{
int ncv = get_ncv();
chtype test = attr & (chtype) (~A_ALTCHARSET);
if (arrow)
MvPrintw(row, 5, "-->");
MvPrintw(row, 8, "%s mode:", name);
- MvPrintw(row, 24, "|");
+ MvPrintw(row, COL_ATTRSTRING - 1, "|");
if (skip)
printw("%*s", skip, " ");
/*
* character at a time (to pass its rendition directly), and use the
* string operation for the other attributes.
*/
+ wmove(win, 0, 0);
if (attr & A_ALTCHARSET) {
const char *s;
chtype ch;
for (s = attr_test_string; *s != '\0'; ++s) {
ch = UChar(*s);
- addch(ch | attr);
+ (void) waddch(win, ch | attr);
}
} else {
- (void) attrset(attr);
- addstr(attr_test_string);
- attroff(attr);
+ (void) wattrset(win, attr);
+ (void) waddstr(win, attr_test_string);
+ (void) wattroff(win, attr);
}
if (skip)
printw("%*s", skip, " ");
- printw("|");
+ MvPrintw(row, COL_ATTRSTRING + LEN_ATTRSTRING, "|");
if (test != A_NORMAL) {
if (!(termattrs() & test)) {
printw(" (N/A)");
NCURSES_COLOR_T tx = -1;
int ac = 0;
unsigned j, k;
+ WINDOW *my_wins[SIZEOF(attrs_to_test)];
ATTR_TBL my_list[SIZEOF(attrs_to_test)];
unsigned my_size = init_attr_list(my_list, termattrs());
if (my_size > 1) {
+ for (j = 0; j < my_size; ++j) {
+ my_wins[j] = subwin(stdscr,
+ 1, LEN_ATTRSTRING,
+ 2 + (int) (2 * j), COL_ATTRSTRING);
+ scrollok(my_wins[j], FALSE);
+ }
+
if (skip < 0)
skip = 0;
for (j = 0; j < my_size; ++j) {
bool arrow = (j == k);
- row = show_attr(row, n, arrow,
+ row = show_attr(my_wins[j], row, n, arrow,
extras |
my_list[j].attr |
my_list[k].attr,
static void
wide_adjust_attr_string(int adjust)
{
- int first = ((int) UChar(wide_attr_test_string[0])) + adjust;
- int last = first + LEN_ATTRSTRING;
+ char save = (char) wide_attr_test_string[0];
+ int first = ((int) UChar(save)) + adjust;
+ int j, k;
- if (first >= ' ' && last <= '~') { /* 32..126 */
- int j, k;
- for (j = 0, k = first; j < MAX_ATTRSTRING && k <= last; ++j, ++k) {
+ if (first >= ATTRSTRING_1ST) {
+ for (j = 0, k = first; j < MAX_ATTRSTRING; ++j, ++k) {
+ if (k > ATTRSTRING_END)
+ break;
wide_attr_test_string[j] = k;
if (((k + 1 - first) % 5) == 0) {
if (++j >= MAX_ATTRSTRING)
wide_attr_test_string[j] = ' ';
}
}
- while (j < MAX_ATTRSTRING)
- wide_attr_test_string[j++] = ' ';
- wide_attr_test_string[j] = '\0';
- } else {
- beep();
+ if ((LEN_ATTRSTRING - j) > 5) {
+ wide_attr_test_string[0] = save;
+ wide_adjust_attr_string(adjust - 1);
+ } else {
+ while (j < MAX_ATTRSTRING)
+ wide_attr_test_string[j++] = ' ';
+ wide_attr_test_string[j] = '\0';
+ }
}
}
static void
wide_init_attr_string(void)
{
- wide_attr_test_string[0] = 'a';
+ wide_attr_test_string[0] = default_attr_string();
wide_adjust_attr_string(0);
}
}
static int
-wide_show_attr(int row,
+wide_show_attr(WINDOW *win,
+ int row,
int skip,
bool arrow,
chtype attr,
if (arrow)
MvPrintw(row, 5, "-->");
MvPrintw(row, 8, "%s mode:", name);
- MvPrintw(row, 24, "|");
+ MvPrintw(row, COL_ATTRSTRING - 1, "|");
if (skip)
printw("%*s", skip, " ");
* character at a time (to pass its rendition directly), and use the
* string operation for the other attributes.
*/
+ wmove(win, 0, 0);
if (attr & WA_ALTCHARSET) {
const wchar_t *s;
cchar_t ch;
fill[0] = *s;
fill[1] = L'\0';
setcchar(&ch, fill, attr, pair, 0);
- add_wch(&ch);
+ (void) wadd_wch(win, &ch);
}
} else {
attr_t old_attr = 0;
NCURSES_PAIRS_T old_pair = 0;
- (void) (attr_get) (&old_attr, &old_pair, 0);
- (void) attr_set(attr, pair, 0);
- addwstr(wide_attr_test_string);
- (void) attr_set(old_attr, old_pair, 0);
+ (void) (wattr_get) (win, &old_attr, &old_pair, 0);
+ (void) wattr_set(win, attr, pair, 0);
+ (void) waddwstr(win, wide_attr_test_string);
+ (void) wattr_set(win, old_attr, old_pair, 0);
}
if (skip)
printw("%*s", skip, " ");
- printw("|");
+ MvPrintw(row, COL_ATTRSTRING + LEN_ATTRSTRING, "|");
if (test != A_NORMAL) {
if (!(term_attrs() & test)) {
printw(" (N/A)");
int ac = 0;
unsigned j, k;
ATTR_TBL my_list[SIZEOF(attrs_to_test)];
+ WINDOW *my_wins[SIZEOF(attrs_to_test)];
unsigned my_size = init_attr_list(my_list, term_attrs());
if (my_size > 1) {
+ for (j = 0; j < my_size; ++j) {
+ my_wins[j] = subwin(stdscr,
+ 1, LEN_ATTRSTRING,
+ 2 + (int) (2 * j), COL_ATTRSTRING);
+ scrollok(my_wins[j], FALSE);
+ }
+
if (skip < 0)
skip = 0;
MvAddStr(0, 20, "Character attribute test display");
for (j = 0; j < my_size; ++j) {
- row = wide_show_attr(row, n, j == k,
+ row = wide_show_attr(my_wins[j], row, n, (j == k),
((attr_t) ac |
my_list[j].attr |
my_list[k].attr),
fill_panel(win)
--------------------------------------------------------------------------*/
static void
-init_panel(void)
+init_panel(WINDOW *win)
{
register int y, x;
for (y = 0; y < LINES - 1; y++) {
for (x = 0; x < COLS; x++)
- wprintw(stdscr, "%d", (y + x) % 10);
+ wprintw(win, "%d", (y + x) % 10);
}
}
#if USE_WIDEC_SUPPORT
static void
-init_wide_panel(void)
+init_wide_panel(WINDOW *win)
{
int digit;
cchar_t temp[10];
int y, x;
getyx(stdscr, y, x);
digit = (y + x / 2) % 10;
- } while (add_wch(&temp[digit]) != ERR);
+ } while (wadd_wch(win, &temp[digit]) != ERR);
}
static void
}
static void
-demo_panels(void (*InitPanel) (void), void (*FillPanel) (PANEL *))
+demo_panels(void (*InitPanel) (WINDOW *), void (*FillPanel) (PANEL *))
{
int count;
int itmp;
scrollok(stdscr, FALSE); /* we don't want stdscr to scroll! */
refresh();
- InitPanel();
+ InitPanel(stdscr);
for (count = 0; count < 5; count++) {
px[1] = mkpanel(COLOR_RED,
LINES / 2 - 2,
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