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29 * $Id: clip_printw.c,v 1.1 2008/12/20 21:03:06 tom Exp $
31 * demonstrate how to use printw without wrapping.
34 #include <test.priv.h>
36 #define SHOW(n) ((n) == ERR ? "ERR" : "OK")
37 #define COLOR_DEFAULT (-1)
56 clip_wprintw(WINDOW *win, const char *fmt,...)
58 int y0, x0, y1, x1, width;
64 * Allocate a single-line derived window extending from the current
65 * cursor position to the end of the current line in the given window.
66 * Disable scrolling in the derived window.
69 width = getmaxx(win) - x0;
70 sub = derwin(win, 1, width, y0, x0);
77 rc = vw_printw(sub, fmt, ap);
83 wmove(win, y1 + y0, x1 + x0);
89 color_params(unsigned state, int *pair)
97 { 0, COLOR_DEFAULT, COLOR_DEFAULT, "default" },
98 { 1, COLOR_RED, COLOR_BLACK, "red/black" },
99 { 2, COLOR_WHITE, COLOR_BLUE, "white/blue" },
103 static bool first = TRUE;
104 const char *result = 0;
111 for (n = 0; n < SIZEOF(table); ++n) {
112 init_pair(table[n].pair, table[n].fg, table[n].bg);
115 if (state < SIZEOF(table)) {
116 *pair = table[state].pair;
117 result = table[state].msg;
124 video_params(unsigned state, unsigned *attr)
131 { A_NORMAL, "normal" },
133 { A_REVERSE, "reverse" },
134 { A_UNDERLINE, "underline" },
135 { A_BLINK, "blink" },
139 const char *result = 0;
141 if (state < SIZEOF(table)) {
142 *attr = table[state].attr;
143 result = table[state].msg;
148 /* fill the window with a test-pattern */
150 fill_window(WINDOW *win)
156 while (waddstr(win, "0123456789 abcdefghijklmnopqrstuvwxyz ") != ERR) {
162 show_status(WINDOW *win, STATUS * sp)
168 wprintw(win, "Count %d", sp->count);
170 wprintw(win, " Video %s", sp->v_msg);
172 wprintw(win, " Color %s", sp->c_msg);
173 wprintw(win, " (%d)", sp->status);
179 do_subwindow(WINDOW *win, STATUS * sp, void func(WINDOW *))
181 WINDOW *win1 = newwin(sp->y_max - 2, sp->x_max - 2,
182 sp->y_beg + 1, sp->x_beg + 1);
184 if (win1 != 0 && sp->y_max > 4 && sp->x_max > 4) {
185 WINDOW *win2 = derwin(win1, sp->y_max - 4, sp->x_max - 4, 1, 1);
204 init_status(WINDOW *win, STATUS * sp)
206 memset(sp, 0, sizeof(*sp));
214 getbegyx(win, sp->y_beg, sp->x_beg);
215 getmaxyx(win, sp->y_max, sp->x_max);
219 show_help(WINDOW *win)
221 static const char *table[] =
224 ,"Use h/j/k/l or arrow keys to move the cursor."
225 ,"Set the count parameter for clip_wprintw by entering digits 0-9."
228 ,"space toggles through the set of video attributes and colors."
229 ,"t touches (forces repaint) of the current line."
230 ,". calls clip_wprintw at the current position with the given count."
231 ,"= resets count to zero."
232 ,"? shows this help-window"
239 getmaxyx(win, y_max, x_max);
240 for (row = 0; row < (int) SIZEOF(table) && row < y_max; ++row) {
241 mvwprintw(win, row, 0, "%.*s", x_max, table[row]);
243 while (wgetch(win) != 'q')
248 update_status(WINDOW *win, STATUS * sp)
251 case ' ': /* next test-iteration */
253 if ((sp->c_msg = color_params(++(sp->c), &(sp->pair))) == 0) {
254 sp->c_msg = color_params(sp->c = 0, &(sp->pair));
255 if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
256 sp->v_msg = video_params(sp->v = 0, &(sp->attr));
260 if ((sp->v_msg = video_params(++(sp->v), &(sp->attr))) == 0) {
261 sp->v_msg = video_params(sp->v = 0, &(sp->attr));
265 show_status(win, sp);
270 wmove(win, sp->y_val, --(sp->x_val));
274 if (sp->y_val < sp->y_max)
275 wmove(win, ++(sp->y_val), sp->x_val);
280 wmove(win, --(sp->y_val), sp->x_val);
284 if (sp->x_val < sp->x_max)
285 wmove(win, sp->y_val, ++(sp->x_val));
288 touchline(win, sp->y_val, 1);
292 show_status(win, sp);
295 do_subwindow(win, sp, show_help);
298 if (isdigit(sp->ch)) {
299 sp->count = (sp->count * 10) + (sp->ch - '0');
300 show_status(win, sp);
309 test_clipping(WINDOW *win)
316 init_status(win, &st);
320 case '.': /* change from current position */
321 wattrset(win, st.attr | COLOR_PAIR(st.pair));
324 sprintf(fmt, "%%c%%%ds%%c", st.count);
326 need = getmaxx(win) - 1;
327 strcpy(fmt, "%c%s%c");
329 if ((buffer = typeMalloc(char, need)) != 0) {
330 for (j = 0; j < need; ++j) {
331 buffer[j] = 'A' + (j % 26);
333 buffer[need - 1] = '\0';
334 st.status = clip_wprintw(win, fmt, '[', buffer, ']');
338 do_subwindow(win, &st, test_clipping);
343 update_status(win, &st);
346 } while ((st.ch = wgetch(win)) != ERR);
350 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
356 test_clipping(stdscr);
359 ExitProgram(EXIT_SUCCESS);