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Diffstat (limited to 'ncurses-5.9/test/redraw.c')
| -rw-r--r-- | ncurses-5.9/test/redraw.c | 171 |
1 files changed, 171 insertions, 0 deletions
diff --git a/ncurses-5.9/test/redraw.c b/ncurses-5.9/test/redraw.c new file mode 100644 index 0000000..4a3068c --- /dev/null +++ b/ncurses-5.9/test/redraw.c @@ -0,0 +1,171 @@ +/**************************************************************************** + * Copyright (c) 2006-2007,2010 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 * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * 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 * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ +/* + * $Id$ + * + * Demonstrate the redrawwin() and wredrawln() functions. + * Thomas Dickey - 2006/11/4 + */ + +#include <test.priv.h> + +static void +trash(int beg_x, int max_x, int cur_x) +{ + int x; + + for (x = cur_x; x > beg_x; --x) { + putchar('\b'); + } + for (x = beg_x; x < max_x; ++x) { + if (x < cur_x) + putchar('<'); + else if (x == cur_x) + putchar('='); + else if (x > cur_x) + putchar('>'); + } + for (x = max_x; x > cur_x; --x) { + putchar('\b'); + } +} + +static void +test_redraw(WINDOW *win) +{ + WINDOW *win1; + WINDOW *win2; + bool done = FALSE; + int ch, y, x; + int max_y, max_x; + int beg_y, beg_x; + + assert(win != 0); + + scrollok(win, TRUE); + keypad(win, TRUE); + getmaxyx(win, max_y, max_x); + getbegyx(win, beg_y, beg_x); + while (!done) { + ch = wgetch(win); + getyx(win, y, x); + switch (ch) { + case 'q': + /* FALLTHRU */ + case ESCAPE: + done = TRUE; + break; + case 'w': + win1 = newwin(max_y, max_x, + beg_y, beg_x); + win2 = newwin(max_y - 2, max_x - 2, + beg_y + 1, beg_x + 1); + box(win1, 0, 0); + wrefresh(win1); + + test_redraw(win2); + + delwin(win2); + delwin(win1); + + touchwin(win); + break; + + case '!': + /* + * redrawwin() and wredrawln() do not take into account the + * possibility that the cursor may have moved. That makes them + * cumbersome for using with a shell command. So we simply + * trash the current line of the window using backspace/overwrite. + */ + trash(beg_x, max_x, x + beg_x); + break; + +#ifdef NCURSES_VERSION + case '@': + /* + * For a shell command, we can work around the problem noted above + * using mvcur(). It is ifdef'd for NCURSES, since X/Open does + * not define the case where the old location is unknown. + */ + system("date"); + mvcur(-1, -1, y, x); + break; +#endif + + case CTRL('W'): + redrawwin(win); + break; + + case CTRL('L'): + wredrawln(win, y, 1); + break; + + case KEY_UP: + if (y > 0) + wmove(win, y - 1, x); + break; + + case KEY_DOWN: + if (y < max_y) + wmove(win, y + 1, x); + break; + + case KEY_LEFT: + if (x > 0) + wmove(win, y, x - 1); + break; + + case KEY_RIGHT: + if (x < max_x) + wmove(win, y, x + 1); + break; + + default: + if (ch > KEY_MIN) { + waddstr(win, keyname(ch)); + } else { + waddstr(win, unctrl(UChar(ch))); + } + break; + } + wnoutrefresh(win); + doupdate(); + } +} + +int +main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) +{ + initscr(); + raw(); + noecho(); + test_redraw(stdscr); + endwin(); + ExitProgram(EXIT_SUCCESS); +} |