diff options
Diffstat (limited to 'gnu/lib/libdialog/kernel.c')
| -rw-r--r-- | gnu/lib/libdialog/kernel.c | 106 |
1 files changed, 91 insertions, 15 deletions
diff --git a/gnu/lib/libdialog/kernel.c b/gnu/lib/libdialog/kernel.c index eb8ff8eae45c..bdaa87f33214 100644 --- a/gnu/lib/libdialog/kernel.c +++ b/gnu/lib/libdialog/kernel.c @@ -166,19 +166,21 @@ void attr_clear(WINDOW *win, int height, int width, chtype attr) * string may contain "\n" to represent a newline character or the real * newline '\n', but in that case, auto wrap around will be disabled. */ -void print_autowrap(WINDOW *win, unsigned char *prompt, int width, int y, int x) +void print_autowrap(WINDOW *win, unsigned char *prompt, int height, int width, int maxwidth, int y, int x, int center, int rawmode) { - int first = 1, cur_x, cur_y; + int first = 1, cur_x, cur_y, i; unsigned char tempstr[MAX_LEN+1], *word, *tempptr, *tempptr1; + chtype ostuff[132], attrs = 0, init_bottom = 0; + + wsetscrreg(win, y, height); + getyx(win, cur_y, cur_x); strcpy(tempstr, prompt); - if ((strstr(tempstr, "\\n") != NULL) || + if ((!rawmode && strstr(tempstr, "\\n") != NULL) || (strchr(tempstr, '\n') != NULL)) { /* Prompt contains "\n" or '\n' */ word = tempstr; - cur_y = y; - wmove(win, cur_y, x); while (1) { - tempptr = strstr(word, "\\n"); + tempptr = rawmode ? NULL : strstr(word, "\\n"); tempptr1 = strchr(word, '\n'); if (tempptr == NULL && tempptr1 == NULL) break; @@ -203,25 +205,99 @@ void print_autowrap(WINDOW *win, unsigned char *prompt, int width, int y, int x) waddstr(win, word); word = tempptr + 1; - wmove(win, ++cur_y, x); + if (++cur_y > height) { + cur_y--; + if (!init_bottom) { + for (i = 0; i < x; i++) + ostuff[i] = mvwinch(win, cur_y, i); + for (i = width; i < maxwidth; i++) + ostuff[i] = mvwinch(win, cur_y, i); + attrs = getattrs(win); + init_bottom = 1; + } + scrollok(win, TRUE); + scroll(win); + scrollok(win, FALSE); + wmove(win, cur_y, 0); + for (i = 0; i < x; i++) { + wattrset(win, ostuff[i]&A_ATTRIBUTES); + waddch(win, ostuff[i]); + } + wattrset(win, attrs); + for ( ; i < width; i++) + waddch(win, ' '); + for ( ; i < maxwidth; i++) { + wattrset(win, ostuff[i]&A_ATTRIBUTES); + waddch(win, ostuff[i]); + } + wattrset(win, attrs); + wrefresh(win); + } + wmove(win, cur_y, cur_x = x); } waddstr(win, word); } - else if (strlen(tempstr) <= width-x*2) { /* If prompt is short */ - wmove(win, y, (width - strlen(tempstr)) / 2); + else if (center && strlen(tempstr) <= width-x*2) { /* If prompt is short */ + wmove(win, cur_y, (width - strlen(tempstr)) / 2); + waddstr(win, tempstr); + } + else if (!center && strlen(tempstr) <= width-cur_x) { /* If prompt is short */ waddstr(win, tempstr); } else { - cur_x = x; - cur_y = y; /* Print prompt word by word, wrap around if necessary */ - while ((word = strtok(first ? tempstr : NULL, " ")) != NULL) { + while ((word = strtok(first ? tempstr : NULL, "\t\n ")) != NULL) { + int loop; + unsigned char sc; + if (first) /* First iteration */ first = 0; - if (cur_x+strlen(word) >= width) { /* wrap around to next line */ - cur_y++; - cur_x = x; + do { + loop = 0; + if (cur_x+strlen(word) >= width+1) { /* wrap around to next line */ + if (x+strlen(word) >= width+1) { + sc = word[width-cur_x-1]; + word[width-cur_x-1] = '\0'; + wmove(win, cur_y, cur_x); + waddstr(win, word); + word[width-cur_x-1] = sc; + word += width-cur_x-1; + getyx(win, cur_y, cur_x); + loop = 1; + } + cur_y++; + cur_x = x; + if (cur_y > height) { + cur_y--; + if (!init_bottom) { + for (i = 0; i < x; i++) + ostuff[i] = mvwinch(win, cur_y, i); + for (i = width; i < maxwidth; i++) + ostuff[i] = mvwinch(win, cur_y, i); + attrs = getattrs(win); + init_bottom = 1; + } + scrollok(win, TRUE); + scroll(win); + scrollok(win, FALSE); + wmove(win, cur_y, 0); + for (i = 0; i < x; i++) { + wattrset(win, ostuff[i]&A_ATTRIBUTES); + waddch(win, ostuff[i]); + } + wattrset(win, attrs); + for ( ; i < width; i++) + waddch(win, ' '); + for ( ; i < maxwidth; i++) { + wattrset(win, ostuff[i]&A_ATTRIBUTES); + waddch(win, ostuff[i]); + } + wattrset(win, attrs); + wrefresh(win); + } + } } + while(loop); wmove(win, cur_y, cur_x); waddstr(win, word); getyx(win, cur_y, cur_x); |