| /**************************************************************************** |
| * Copyright 2019-2020,2022 Thomas E. Dickey * |
| * Copyright 1998-2010,2017 Free Software Foundation, Inc. * |
| * * |
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| * copies of the Software, and to permit persons to whom the Software is * |
| * furnished to do so, subject to the following conditions: * |
| * * |
| * The above copyright notice and this permission notice shall be included * |
| * in all copies or substantial portions of the Software. * |
| * * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * |
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| ****************************************************************************/ |
| /* |
| * Test lower-right-hand corner access |
| * |
| * originally by Eric S. Raymond <esr@thyrsus.com>, written for animation |
| * and resizing -T.Dickey |
| * |
| * This can't be part of the ncurses test-program, because ncurses rips off the |
| * bottom line to do labels. |
| * |
| * $Id: lrtest.c,v 1.29 2022/12/10 23:44:18 tom Exp $ |
| */ |
| |
| #include <test.priv.h> |
| |
| typedef struct { |
| int y, x, mode, dir, inc; |
| chtype value; |
| } MARK; |
| |
| /* |
| * Make a couple of markers go 'round the border to demonstrate that we can |
| * really write to all positions properly. |
| */ |
| static void |
| show(MARK *m) |
| { |
| MvAddCh(m->y, m->x, m->value); |
| if (m->mode == 0) { /* along the x-direction */ |
| m->x += m->inc; |
| if (m->x >= COLS) { |
| m->x = COLS - 1; |
| m->inc = -m->dir * m->inc; |
| m->y += m->inc; |
| m->mode = 1; |
| } else if (m->x < 0) { |
| m->x = 0; |
| m->inc = -m->dir * m->inc; |
| m->y += m->inc; |
| m->mode = 1; |
| } |
| } else { /* along the y-direction */ |
| m->y += m->inc; |
| if (m->y >= LINES) { |
| m->y = LINES - 1; |
| m->inc = m->dir * m->inc; |
| m->x += m->inc; |
| m->mode = 0; |
| } else if (m->y < 0) { |
| m->y = 0; |
| m->inc = m->dir * m->inc; |
| m->x += m->inc; |
| m->mode = 0; |
| } |
| } |
| } |
| |
| static void |
| usage(int ok) |
| { |
| static const char *msg[] = |
| { |
| "Usage: lrtest [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, char *argv[]) |
| { |
| static MARK marks[] = |
| { |
| {0, 0, 0, -1, 1, '+' | A_BOLD}, |
| {0, 0, 1, 1, 2, 'X'}, |
| {0, 0, 1, -1, 3, 'Y'}, |
| {0, 8, 0, -1, 1, '+' | A_BOLD}, |
| {0, 9, 0, -1, 1, '+' | A_BOLD}, |
| {1, 0, 1, 1, 1, '*' | A_REVERSE}, |
| {2, 0, 1, 1, 1, '*' | A_REVERSE} |
| }; |
| 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(); |
| noecho(); |
| cbreak(); |
| nodelay(stdscr, TRUE); |
| curs_set(0); |
| |
| #ifdef KEY_RESIZE |
| keypad(stdscr, TRUE); |
| restart: |
| #endif |
| move(LINES / 2 - 1, 4); |
| if (!(has_ic() |
| #if HAVE_SETUPTERM |
| /* see PutCharLR() */ |
| || auto_right_margin |
| || (enter_am_mode && exit_am_mode) |
| #endif |
| )) { |
| addstr("Your terminal lacks the capabilities needed to address the\n"); |
| move(LINES / 2, 4); |
| addstr("lower-right-hand corner of the screen.\n"); |
| } else { |
| addstr("This is a test of access to the lower right corner.\n"); |
| move(LINES / 2, 4); |
| addstr("If the top of the box is missing, the test failed.\n"); |
| move(LINES / 2 + 1, 4); |
| addstr("Please report this (with a copy of your terminfo entry).\n"); |
| move(LINES / 2 + 2, 4); |
| addstr("to the ncurses maintainers, at bug-ncurses@gnu.org.\n"); |
| } |
| |
| for (;;) { |
| int c2; |
| unsigned n; |
| |
| box(stdscr, 0, 0); |
| for (n = 0; n < SIZEOF(marks); n++) { |
| show(&marks[n]); |
| } |
| |
| if ((c2 = getch()) > 0) { |
| if (c2 == 'q') |
| break; |
| else if (c2 == 's') |
| nodelay(stdscr, FALSE); |
| else if (c2 == ' ') |
| nodelay(stdscr, TRUE); |
| #ifdef TRACE |
| else if (c2 == 'T') |
| curses_trace(0); |
| else if (c2 == 't') |
| curses_trace(TRACE_CALLS | TRACE_ICALLS | TRACE_UPDATE); |
| #endif |
| #ifdef KEY_RESIZE |
| else if (c2 == KEY_RESIZE) { |
| for (n = 0; n < SIZEOF(marks); n++) { |
| if (marks[n].mode == 0) { /* moving along x-direction */ |
| if (marks[n].y) |
| marks[n].y = LINES - 1; |
| } else { |
| if (marks[n].x) |
| marks[n].x = COLS - 1; |
| } |
| } |
| flash(); |
| erase(); |
| wrefresh(curscr); |
| goto restart; |
| } |
| #endif |
| } |
| napms(50); |
| refresh(); |
| } |
| |
| stop_curses(); |
| ExitProgram(EXIT_SUCCESS); |
| } |
| |
| /* lrtest.c ends here */ |