/****************************************************************************
- * Copyright 2019,2020 Thomas E. Dickey *
+ * Copyright 2019-2022,2023 Thomas E. Dickey *
* Copyright 2008-2016,2017 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* authorization. *
****************************************************************************/
/*
- * $Id: clip_printw.c,v 1.17 2020/02/02 23:34:34 tom Exp $
+ * $Id: clip_printw.c,v 1.23 2023/09/30 19:57:44 tom Exp $
*
- * demonstrate how to use printw without wrapping.
+ * demonstrate how to use printw with/without wrapping.
*/
#include <test.priv.h>
#define SHOW(n) ((n) == ERR ? "ERR" : "OK")
#define COLOR_DEFAULT (-1)
+#define X_BASE 0
+#define Y_BASE 1
+#define MARGIN 1
+#define Y_TOP (Y_BASE + MARGIN)
+
typedef struct {
unsigned c;
unsigned v;
+ bool single;
int status;
int pair;
attr_t attr;
} STATUS;
static int
-clip_wprintw(WINDOW *win, NCURSES_CONST char *fmt, ...)
+clip_wprintw(WINDOW *win, bool single, NCURSES_CONST char *fmt, ...)
{
int y0, x0, y1, x1, width;
WINDOW *sub;
va_list ap;
int rc;
- /*
- * Allocate a single-line derived window extending from the current
- * cursor position to the end of the current line in the given window.
- * Disable scrolling in the derived window.
- */
getyx(win, y0, x0);
width = getmaxx(win) - x0;
- sub = derwin(win, 1, width, y0, x0);
+ if (single) {
+ /*
+ * Allocate a single-line derived window extending from the current
+ * cursor position to the end of the current line in the given window.
+ * Disable scrolling in the derived window.
+ */
+ sub = derwin(win, 1, width, y0, x0);
+ } else {
+ /*
+ * Allow printw to wrap through the entire window.
+ */
+ sub = derwin(win, getmaxy(win), getmaxx(win), 0, 0);
+ wmove(sub, y0, x0);
+ }
scrollok(sub, FALSE);
/*
getyx(sub, y1, x1);
delwin(sub);
- wmove(win, y1 + y0, x1 + x0);
+ if (single) {
+ wmove(win, y1 + y0, x1 + x0);
+ } else {
+ wmove(win, y1, x1);
+ }
return rc;
}
static void
fill_window(WINDOW *win)
{
+ int y_top = (win == stdscr) ? Y_BASE : MARGIN;
int y, x;
int y0 = -1, x0 = -1;
getyx(win, y, x);
- wmove(win, 0, 0);
+ wmove(win, y_top, 0);
while (waddstr(win, "0123456789 abcdefghijklmnopqrstuvwxyz ") != ERR) {
int y1, x1;
getyx(win, y1, x1);
int y, x;
getyx(win, y, x);
+ wattron(win, A_REVERSE);
wmove(win, 0, 0);
- wprintw(win, "Count %d", sp->count);
+ wprintw(win, "Clip %s", sp->single ? "line" : "window");
+ wprintw(win, " Count %d", sp->count);
if (sp->v_msg != 0)
wprintw(win, " Video %s", sp->v_msg);
if (sp->c_msg != 0)
wprintw(win, " Color %s", sp->c_msg);
wprintw(win, " (%d)", sp->status);
wclrtoeol(win);
+ wattroff(win, A_REVERSE);
wmove(win, y, x);
}
static void
do_subwindow(WINDOW *win, STATUS * sp, void func(WINDOW *))
{
- WINDOW *win1 = newwin(sp->y_max - 2, sp->x_max - 2,
- sp->y_beg + 1, sp->x_beg + 1);
+ WINDOW *win1 = newwin(sp->y_max - (2 * MARGIN),
+ sp->x_max - (2 * MARGIN),
+ sp->y_beg + MARGIN,
+ sp->x_beg + MARGIN);
if (win1 != 0 && sp->y_max > 4 && sp->x_max > 4) {
- WINDOW *win2 = derwin(win1, sp->y_max - 4, sp->x_max - 4, 1, 1);
+ WINDOW *win2 = derwin(win1,
+ sp->y_max - (2 * MARGIN) - 2,
+ sp->x_max - (2 * MARGIN) - 2,
+ (win == stdscr) ? Y_BASE : Y_BASE,
+ MARGIN);
if (win2 != 0) {
box(win1, 0, 0);
}
}
+/*
+ * The status line is within the same window as the test-data.
+ */
static void
init_status(WINDOW *win, STATUS * sp)
{
memset(sp, 0, sizeof(*sp));
+ sp->single = TRUE;
sp->c = 99;
sp->v = 99;
sp->ch = ' ';
getbegyx(win, sp->y_beg, sp->x_beg);
getmaxyx(win, sp->y_max, sp->x_max);
+
+ wmove(win, sp->y_val = Y_BASE, sp->x_val = 0);
}
static void
,""
,"Other commands:"
,"space toggles through the set of video attributes and colors."
+ ,"q exit subwindow, quit if last window."
+ ,"s toggles single-line updates versus entire windows."
,"t touches (forces repaint) of the current line."
+ ,"w create subwindow."
,". calls vw_printw at the current position with the given count."
,"= resets count to zero."
,"? shows this help-window"
static void
update_status(WINDOW *win, STATUS * sp)
{
+ int margin = 0;
+
switch (sp->ch) {
case ' ': /* next test-iteration */
if (has_colors()) {
sp->count = 0;
show_status(win, sp);
break;
+ case KEY_HOME:
+ case '^':
+ wmove(win, sp->y_val, sp->x_val = margin);
+ break;
+ case KEY_END:
+ case '$':
+ wmove(win, sp->y_val, sp->x_val = (sp->x_max - margin - 1));
+ break;
+ case KEY_PPAGE:
+ case CTRL('B'):
+ wmove(win, sp->y_val = Y_BASE, sp->x_val);
+ break;
+ case KEY_NPAGE:
+ case CTRL('F'):
+ wmove(win, sp->y_val = (sp->y_max - margin - 1), sp->x_val);
+ break;
case KEY_LEFT:
case 'h':
- if (sp->x_val > 0)
+ if (sp->x_val > margin)
wmove(win, sp->y_val, --(sp->x_val));
break;
case KEY_DOWN:
case 'j':
- if (sp->y_val < sp->y_max)
+ if (sp->y_val < (sp->y_max - margin))
wmove(win, ++(sp->y_val), sp->x_val);
break;
case KEY_UP:
case 'k':
- if (sp->y_val > 0)
+ if (sp->y_val > Y_BASE)
wmove(win, --(sp->y_val), sp->x_val);
break;
case KEY_RIGHT:
case 'l':
- if (sp->x_val < sp->x_max)
+ if (sp->x_val < (sp->x_max - margin))
wmove(win, sp->y_val, ++(sp->x_val));
break;
case 't':
sp->count = 0;
show_status(win, sp);
break;
+ case 's':
+ sp->single = !sp->single;
+ show_status(win, sp);
+ break;
case HELP_KEY_1:
show_help(win);
break;
need = (unsigned) st.count + 1;
_nc_SPRINTF(fmt, _nc_SLIMIT(sizeof(fmt)) "%%c%%%ds%%c", st.count);
} else {
- need = (unsigned) getmaxx(win) - 1;
+ int want = getmaxx(win);
+ if (want < 10)
+ want = 10;
+ need = (unsigned) want - 1;
_nc_STRCPY(fmt, "%c%s%c", sizeof(fmt));
}
if ((buffer = typeMalloc(char, need + 1)) != 0) {
buffer[j] = (char) ('A' + (j % 26));
}
buffer[need - 1] = '\0';
- st.status = clip_wprintw(win, fmt, '[', buffer, ']');
+ st.status = clip_wprintw(win, st.single, fmt, '[', buffer, ']');
free(buffer);
}
break;
} while ((st.ch = wgetch(win)) != ERR);
}
+static void
+usage(int ok)
+{
+ static const char *msg[] =
+ {
+ "Usage: clip_printw [options]"
+ ,""
+ ,USAGE_COMMON
+ };
+ size_t n;
+
+ for (n = 0; n < SIZEOF(msg); n++)
+ fprintf(stderr, "%s\n", msg[n]);
+
+ ExitProgram(ok ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+/* *INDENT-OFF* */
+VERSION_COMMON()
+/* *INDENT-ON* */
+
int
-main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
+main(int argc, char *argv[])
{
+ int ch;
+
+ while ((ch = getopt(argc, argv, OPTS_COMMON)) != -1) {
+ switch (ch) {
+ case OPTS_VERSION:
+ show_version(argv);
+ ExitProgram(EXIT_SUCCESS);
+ default:
+ usage(ch == OPTS_USAGE);
+ /* NOTREACHED */
+ }
+ }
+ if (optind < argc)
+ usage(FALSE);
+
+ setlocale(LC_ALL, "");
initscr();
cbreak();
noecho();
projects / ncurses.git / blobdiff