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-rw-r--r--package/config/lxdialog/textbox.c391
1 files changed, 0 insertions, 391 deletions
diff --git a/package/config/lxdialog/textbox.c b/package/config/lxdialog/textbox.c
deleted file mode 100644
index c704712d0..000000000
--- a/package/config/lxdialog/textbox.c
+++ /dev/null
@@ -1,391 +0,0 @@
-/*
- * textbox.c -- implements the text box
- *
- * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "dialog.h"
-
-static void back_lines(int n);
-static void print_page(WINDOW * win, int height, int width);
-static void print_line(WINDOW * win, int row, int width);
-static char *get_line(void);
-static void print_position(WINDOW * win);
-
-static int hscroll;
-static int begin_reached, end_reached, page_length;
-static const char *buf;
-static const char *page;
-
-/*
- * refresh window content
- */
-static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw,
- int cur_y, int cur_x)
-{
- print_page(box, boxh, boxw);
- print_position(dialog);
- wmove(dialog, cur_y, cur_x); /* Restore cursor position */
- wrefresh(dialog);
-}
-
-
-/*
- * Display text from a file in a dialog box.
- */
-int dialog_textbox(const char *title, const char *tbuf,
- int initial_height, int initial_width)
-{
- int i, x, y, cur_x, cur_y, key = 0;
- int height, width, boxh, boxw;
- int passed_end;
- WINDOW *dialog, *box;
-
- begin_reached = 1;
- end_reached = 0;
- page_length = 0;
- hscroll = 0;
- buf = tbuf;
- page = buf; /* page is pointer to start of page to be displayed */
-
-do_resize:
- getmaxyx(stdscr, height, width);
- if (height < 8 || width < 8)
- return -ERRDISPLAYTOOSMALL;
- if (initial_height != 0)
- height = initial_height;
- else
- if (height > 4)
- height -= 4;
- else
- height = 0;
- if (initial_width != 0)
- width = initial_width;
- else
- if (width > 5)
- width -= 5;
- else
- width = 0;
-
- /* center dialog box on screen */
- x = (COLS - width) / 2;
- y = (LINES - height) / 2;
-
- draw_shadow(stdscr, y, x, height, width);
-
- dialog = newwin(height, width, y, x);
- keypad(dialog, TRUE);
-
- /* Create window for box region, used for scrolling text */
- boxh = height - 4;
- boxw = width - 2;
- box = subwin(dialog, boxh, boxw, y + 1, x + 1);
- wattrset(box, dlg.dialog.atr);
- wbkgdset(box, dlg.dialog.atr & A_COLOR);
-
- keypad(box, TRUE);
-
- /* register the new window, along with its borders */
- draw_box(dialog, 0, 0, height, width,
- dlg.dialog.atr, dlg.border.atr);
-
- wattrset(dialog, dlg.border.atr);
- mvwaddch(dialog, height - 3, 0, ACS_LTEE);
- for (i = 0; i < width - 2; i++)
- waddch(dialog, ACS_HLINE);
- wattrset(dialog, dlg.dialog.atr);
- wbkgdset(dialog, dlg.dialog.atr & A_COLOR);
- waddch(dialog, ACS_RTEE);
-
- print_title(dialog, title, width);
-
- print_button(dialog, gettext(" Exit "), height - 2, width / 2 - 4, TRUE);
- wnoutrefresh(dialog);
- getyx(dialog, cur_y, cur_x); /* Save cursor position */
-
- /* Print first page of text */
- attr_clear(box, boxh, boxw, dlg.dialog.atr);
- refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x);
-
- while ((key != KEY_ESC) && (key != '\n')) {
- key = wgetch(dialog);
- switch (key) {
- case 'E': /* Exit */
- case 'e':
- case 'X':
- case 'x':
- delwin(box);
- delwin(dialog);
- return 0;
- case 'g': /* First page */
- case KEY_HOME:
- if (!begin_reached) {
- begin_reached = 1;
- page = buf;
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- }
- break;
- case 'G': /* Last page */
- case KEY_END:
-
- end_reached = 1;
- /* point to last char in buf */
- page = buf + strlen(buf);
- back_lines(boxh);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- break;
- case 'K': /* Previous line */
- case 'k':
- case KEY_UP:
- if (!begin_reached) {
- back_lines(page_length + 1);
-
- /* We don't call print_page() here but use
- * scrolling to ensure faster screen update.
- * However, 'end_reached' and 'page_length'
- * should still be updated, and 'page' should
- * point to start of next page. This is done
- * by calling get_line() in the following
- * 'for' loop. */
- scrollok(box, TRUE);
- wscrl(box, -1); /* Scroll box region down one line */
- scrollok(box, FALSE);
- page_length = 0;
- passed_end = 0;
- for (i = 0; i < boxh; i++) {
- if (!i) {
- /* print first line of page */
- print_line(box, 0, boxw);
- wnoutrefresh(box);
- } else
- /* Called to update 'end_reached' and 'page' */
- get_line();
- if (!passed_end)
- page_length++;
- if (end_reached && !passed_end)
- passed_end = 1;
- }
-
- print_position(dialog);
- wmove(dialog, cur_y, cur_x); /* Restore cursor position */
- wrefresh(dialog);
- }
- break;
- case 'B': /* Previous page */
- case 'b':
- case KEY_PPAGE:
- if (begin_reached)
- break;
- back_lines(page_length + boxh);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- break;
- case 'J': /* Next line */
- case 'j':
- case KEY_DOWN:
- if (!end_reached) {
- begin_reached = 0;
- scrollok(box, TRUE);
- scroll(box); /* Scroll box region up one line */
- scrollok(box, FALSE);
- print_line(box, boxh - 1, boxw);
- wnoutrefresh(box);
- print_position(dialog);
- wmove(dialog, cur_y, cur_x); /* Restore cursor position */
- wrefresh(dialog);
- }
- break;
- case KEY_NPAGE: /* Next page */
- case ' ':
- if (end_reached)
- break;
-
- begin_reached = 0;
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- break;
- case '0': /* Beginning of line */
- case 'H': /* Scroll left */
- case 'h':
- case KEY_LEFT:
- if (hscroll <= 0)
- break;
-
- if (key == '0')
- hscroll = 0;
- else
- hscroll--;
- /* Reprint current page to scroll horizontally */
- back_lines(page_length);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- break;
- case 'L': /* Scroll right */
- case 'l':
- case KEY_RIGHT:
- if (hscroll >= MAX_LEN)
- break;
- hscroll++;
- /* Reprint current page to scroll horizontally */
- back_lines(page_length);
- refresh_text_box(dialog, box, boxh, boxw,
- cur_y, cur_x);
- break;
- case KEY_ESC:
- key = on_key_esc(dialog);
- break;
- case KEY_RESIZE:
- back_lines(height);
- delwin(box);
- delwin(dialog);
- on_key_resize();
- goto do_resize;
- }
- }
- delwin(box);
- delwin(dialog);
- return key; /* ESC pressed */
-}
-
-/*
- * Go back 'n' lines in text. Called by dialog_textbox().
- * 'page' will be updated to point to the desired line in 'buf'.
- */
-static void back_lines(int n)
-{
- int i;
-
- begin_reached = 0;
- /* Go back 'n' lines */
- for (i = 0; i < n; i++) {
- if (*page == '\0') {
- if (end_reached) {
- end_reached = 0;
- continue;
- }
- }
- if (page == buf) {
- begin_reached = 1;
- return;
- }
- page--;
- do {
- if (page == buf) {
- begin_reached = 1;
- return;
- }
- page--;
- } while (*page != '\n');
- page++;
- }
-}
-
-/*
- * Print a new page of text. Called by dialog_textbox().
- */
-static void print_page(WINDOW * win, int height, int width)
-{
- int i, passed_end = 0;
-
- page_length = 0;
- for (i = 0; i < height; i++) {
- print_line(win, i, width);
- if (!passed_end)
- page_length++;
- if (end_reached && !passed_end)
- passed_end = 1;
- }
- wnoutrefresh(win);
-}
-
-/*
- * Print a new line of text. Called by dialog_textbox() and print_page().
- */
-static void print_line(WINDOW * win, int row, int width)
-{
- int y, x;
- char *line;
-
- line = get_line();
- line += MIN(strlen(line), hscroll); /* Scroll horizontally */
- wmove(win, row, 0); /* move cursor to correct line */
- waddch(win, ' ');
- waddnstr(win, line, MIN(strlen(line), width - 2));
-
- getyx(win, y, x);
- /* Clear 'residue' of previous line */
-#if OLD_NCURSES
- {
- int i;
- for (i = 0; i < width - x; i++)
- waddch(win, ' ');
- }
-#else
- wclrtoeol(win);
-#endif
-}
-
-/*
- * Return current line of text. Called by dialog_textbox() and print_line().
- * 'page' should point to start of current line before calling, and will be
- * updated to point to start of next line.
- */
-static char *get_line(void)
-{
- int i = 0;
- static char line[MAX_LEN + 1];
-
- end_reached = 0;
- while (*page != '\n') {
- if (*page == '\0') {
- if (!end_reached) {
- end_reached = 1;
- break;
- }
- } else if (i < MAX_LEN)
- line[i++] = *(page++);
- else {
- /* Truncate lines longer than MAX_LEN characters */
- if (i == MAX_LEN)
- line[i++] = '\0';
- page++;
- }
- }
- if (i <= MAX_LEN)
- line[i] = '\0';
- if (!end_reached)
- page++; /* move pass '\n' */
-
- return line;
-}
-
-/*
- * Print current position
- */
-static void print_position(WINDOW * win)
-{
- int percent;
-
- wattrset(win, dlg.position_indicator.atr);
- wbkgdset(win, dlg.position_indicator.atr & A_COLOR);
- percent = (page - buf) * 100 / strlen(buf);
- wmove(win, getmaxy(win) - 3, getmaxx(win) - 9);
- wprintw(win, "(%3d%%)", percent);
-}
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