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Diffstat (limited to 'openwrt/package/config/menubox.c')
-rw-r--r--openwrt/package/config/menubox.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/openwrt/package/config/menubox.c b/openwrt/package/config/menubox.c
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index 431f09f..0000000
--- a/openwrt/package/config/menubox.c
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-/*
- * menubox.c -- implements the menu box
- *
- * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk)
- * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcapw@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.
- */
-
-/*
- * Changes by Clifford Wolf (god@clifford.at)
- *
- * [ 1998-06-13 ]
- *
- * *) A bugfix for the Page-Down problem
- *
- * *) Formerly when I used Page Down and Page Up, the cursor would be set
- * to the first position in the menu box. Now lxdialog is a bit
- * smarter and works more like other menu systems (just have a look at
- * it).
- *
- * *) Formerly if I selected something my scrolling would be broken because
- * lxdialog is re-invoked by the Menuconfig shell script, can't
- * remember the last scrolling position, and just sets it so that the
- * cursor is at the bottom of the box. Now it writes the temporary file
- * lxdialog.scrltmp which contains this information. The file is
- * deleted by lxdialog if the user leaves a submenu or enters a new
- * one, but it would be nice if Menuconfig could make another "rm -f"
- * just to be sure. Just try it out - you will recognise a difference!
- *
- * [ 1998-06-14 ]
- *
- * *) Now lxdialog is crash-safe against broken "lxdialog.scrltmp" files
- * and menus change their size on the fly.
- *
- * *) If for some reason the last scrolling position is not saved by
- * lxdialog, it sets the scrolling so that the selected item is in the
- * middle of the menu box, not at the bottom.
- *
- * 02 January 1999, Michael Elizabeth Chastain (mec@shout.net)
- * Reset 'scroll' to 0 if the value from lxdialog.scrltmp is bogus.
- * This fixes a bug in Menuconfig where using ' ' to descend into menus
- * would leave mis-synchronized lxdialog.scrltmp files lying around,
- * fscanf would read in 'scroll', and eventually that value would get used.
- */
-
-#include "dialog.h"
-
-static int menu_width, item_x;
-
-/*
- * Print menu item
- */
-static void
-print_item (WINDOW * win, const char *item, int choice, int selected, int hotkey)
-{
- int j;
- char menu_item[menu_width+1];
-
- strncpy(menu_item, item, menu_width);
- menu_item[menu_width] = 0;
- j = first_alpha(menu_item, "YyNnMm");
-
- /* Clear 'residue' of last item */
- wattrset (win, menubox_attr);
- wmove (win, choice, 0);
-#if OLD_NCURSES
- {
- int i;
- for (i = 0; i < menu_width; i++)
- waddch (win, ' ');
- }
-#else
- wclrtoeol(win);
-#endif
- wattrset (win, selected ? item_selected_attr : item_attr);
- mvwaddstr (win, choice, item_x, menu_item);
- if (hotkey) {
- wattrset (win, selected ? tag_key_selected_attr : tag_key_attr);
- mvwaddch(win, choice, item_x+j, menu_item[j]);
- }
- if (selected) {
- wmove (win, choice, item_x+1);
- wrefresh (win);
- }
-}
-
-/*
- * Print the scroll indicators.
- */
-static void
-print_arrows (WINDOW * win, int item_no, int scroll,
- int y, int x, int height)
-{
- int cur_y, cur_x;
-
- getyx(win, cur_y, cur_x);
-
- wmove(win, y, x);
-
- if (scroll > 0) {
- wattrset (win, uarrow_attr);
- waddch (win, ACS_UARROW);
- waddstr (win, "(-)");
- }
- else {
- wattrset (win, menubox_attr);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- }
-
- y = y + height + 1;
- wmove(win, y, x);
-
- if ((height < item_no) && (scroll + height < item_no)) {
- wattrset (win, darrow_attr);
- waddch (win, ACS_DARROW);
- waddstr (win, "(+)");
- }
- else {
- wattrset (win, menubox_border_attr);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- waddch (win, ACS_HLINE);
- }
-
- wmove(win, cur_y, cur_x);
-}
-
-/*
- * Display the termination buttons.
- */
-static void
-print_buttons (WINDOW *win, int height, int width, int selected)
-{
- int x = width / 2 - 16;
- int y = height - 2;
-
- print_button (win, "Select", y, x, selected == 0);
- print_button (win, " Exit ", y, x + 12, selected == 1);
- print_button (win, " Help ", y, x + 24, selected == 2);
-
- wmove(win, y, x+1+12*selected);
- wrefresh (win);
-}
-
-/*
- * Display a menu for choosing among a number of options
- */
-int
-dialog_menu (const char *title, const char *prompt, int height, int width,
- int menu_height, const char *current, int item_no,
- struct dialog_list_item ** items)
-{
- int i, j, x, y, box_x, box_y;
- int key = 0, button = 0, scroll = 0, choice = 0, first_item = 0, max_choice;
- WINDOW *dialog, *menu;
- FILE *f;
-
- max_choice = MIN (menu_height, item_no);
-
- /* 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);
-
- draw_box (dialog, 0, 0, height, width, dialog_attr, border_attr);
- wattrset (dialog, border_attr);
- mvwaddch (dialog, height - 3, 0, ACS_LTEE);
- for (i = 0; i < width - 2; i++)
- waddch (dialog, ACS_HLINE);
- wattrset (dialog, dialog_attr);
- wbkgdset (dialog, dialog_attr & A_COLOR);
- waddch (dialog, ACS_RTEE);
-
- if (title != NULL && strlen(title) >= width-2 ) {
- /* truncate long title -- mec */
- char * title2 = malloc(width-2+1);
- memcpy( title2, title, width-2 );
- title2[width-2] = '\0';
- title = title2;
- }
-
- if (title != NULL) {
- wattrset (dialog, title_attr);
- mvwaddch (dialog, 0, (width - strlen(title))/2 - 1, ' ');
- waddstr (dialog, (char *)title);
- waddch (dialog, ' ');
- }
-
- wattrset (dialog, dialog_attr);
- print_autowrap (dialog, prompt, width - 2, 1, 3);
-
- menu_width = width - 6;
- box_y = height - menu_height - 5;
- box_x = (width - menu_width) / 2 - 1;
-
- /* create new window for the menu */
- menu = subwin (dialog, menu_height, menu_width,
- y + box_y + 1, x + box_x + 1);
- keypad (menu, TRUE);
-
- /* draw a box around the menu items */
- draw_box (dialog, box_y, box_x, menu_height + 2, menu_width + 2,
- menubox_border_attr, menubox_attr);
-
- /*
- * Find length of longest item in order to center menu.
- * Set 'choice' to default item.
- */
- item_x = 0;
- for (i = 0; i < item_no; i++) {
- item_x = MAX (item_x, MIN(menu_width, strlen (items[i]->name) + 2));
- if (strcmp(current, items[i]->tag) == 0) choice = i;
- }
-
- item_x = (menu_width - item_x) / 2;
-
- /* get the scroll info from the temp file */
- if ( (f=fopen("lxdialog.scrltmp","r")) != NULL ) {
- if ( (fscanf(f,"%d\n",&scroll) == 1) && (scroll <= choice) &&
- (scroll+max_choice > choice) && (scroll >= 0) &&
- (scroll+max_choice <= item_no) ) {
- first_item = scroll;
- choice = choice - scroll;
- fclose(f);
- } else {
- scroll=0;
- remove("lxdialog.scrltmp");
- fclose(f);
- f=NULL;
- }
- }
- if ( (choice >= max_choice) || (f==NULL && choice >= max_choice/2) ) {
- if (choice >= item_no-max_choice/2)
- scroll = first_item = item_no-max_choice;
- else
- scroll = first_item = choice - max_choice/2;
- choice = choice - scroll;
- }
-
- /* Print the menu */
- for (i=0; i < max_choice; i++) {
- print_item (menu, items[first_item + i]->name, i, i == choice,
- (items[first_item + i]->tag[0] != ':'));
- }
-
- wnoutrefresh (menu);
-
- print_arrows(dialog, item_no, scroll,
- box_y, box_x+item_x+1, menu_height);
-
- print_buttons (dialog, height, width, 0);
- wmove (menu, choice, item_x+1);
- wrefresh (menu);
-
- while (key != ESC) {
- key = wgetch(menu);
-
- if (key < 256 && isalpha(key)) key = tolower(key);
-
- if (strchr("ynm", key))
- i = max_choice;
- else {
- for (i = choice+1; i < max_choice; i++) {
- j = first_alpha(items[scroll + i]->name, "YyNnMm>");
- if (key == tolower(items[scroll + i]->name[j]))
- break;
- }
- if (i == max_choice)
- for (i = 0; i < max_choice; i++) {
- j = first_alpha(items[scroll + i]->name, "YyNnMm>");
- if (key == tolower(items[scroll + i]->name[j]))
- break;
- }
- }
-
- if (i < max_choice ||
- key == KEY_UP || key == KEY_DOWN ||
- key == '-' || key == '+' ||
- key == KEY_PPAGE || key == KEY_NPAGE) {
-
- print_item (menu, items[scroll + choice]->name, choice, FALSE,
- (items[scroll + choice]->tag[0] != ':'));
-
- if (key == KEY_UP || key == '-') {
- if (choice < 2 && scroll) {
- /* Scroll menu down */
- scrollok (menu, TRUE);
- wscrl (menu, -1);
- scrollok (menu, FALSE);
-
- scroll--;
-
- print_item (menu, items[scroll]->name, 0, FALSE,
- (items[scroll]->tag[0] != ':'));
- } else
- choice = MAX(choice - 1, 0);
-
- } else if (key == KEY_DOWN || key == '+') {
-
- print_item (menu, items[scroll + choice]->name, choice, FALSE,
- (items[scroll + choice]->tag[0] != ':'));
-
- if ((choice > max_choice-3) &&
- (scroll + max_choice < item_no)
- ) {
- /* Scroll menu up */
- scrollok (menu, TRUE);
- scroll (menu);
- scrollok (menu, FALSE);
-
- scroll++;
-
- print_item (menu, items[scroll + max_choice - 1]->name,
- max_choice-1, FALSE,
- (items[scroll + max_choice - 1]->tag[0] != ':'));
- } else
- choice = MIN(choice+1, max_choice-1);
-
- } else if (key == KEY_PPAGE) {
- scrollok (menu, TRUE);
- for (i=0; (i < max_choice); i++) {
- if (scroll > 0) {
- wscrl (menu, -1);
- scroll--;
- print_item (menu, items[scroll]->name, 0, FALSE,
- (items[scroll]->tag[0] != ':'));
- } else {
- if (choice > 0)
- choice--;
- }
- }
- scrollok (menu, FALSE);
-
- } else if (key == KEY_NPAGE) {
- for (i=0; (i < max_choice); i++) {
- if (scroll+max_choice < item_no) {
- scrollok (menu, TRUE);
- scroll(menu);
- scrollok (menu, FALSE);
- scroll++;
- print_item (menu, items[scroll + max_choice - 1]->name,
- max_choice-1, FALSE,
- (items[scroll + max_choice - 1]->tag[0] != ':'));
- } else {
- if (choice+1 < max_choice)
- choice++;
- }
- }
-
- } else
- choice = i;
-
- print_item (menu, items[scroll + choice]->name, choice, TRUE,
- (items[scroll + choice]->tag[0] != ':'));
-
- print_arrows(dialog, item_no, scroll,
- box_y, box_x+item_x+1, menu_height);
-
- wnoutrefresh (dialog);
- wrefresh (menu);
-
- continue; /* wait for another key press */
- }
-
- switch (key) {
- case KEY_LEFT:
- case TAB:
- case KEY_RIGHT:
- button = ((key == KEY_LEFT ? --button : ++button) < 0)
- ? 2 : (button > 2 ? 0 : button);
-
- print_buttons(dialog, height, width, button);
- wrefresh (menu);
- break;
- case ' ':
- case 's':
- case 'y':
- case 'n':
- case 'm':
- /* save scroll info */
- if ( (f=fopen("lxdialog.scrltmp","w")) != NULL ) {
- fprintf(f,"%d\n",scroll);
- fclose(f);
- }
- delwin (dialog);
- items[scroll + choice]->selected = 1;
- switch (key) {
- case 's': return 3;
- case 'y': return 3;
- case 'n': return 4;
- case 'm': return 5;
- case ' ': return 6;
- }
- return 0;
- case 'h':
- case '?':
- button = 2;
- case '\n':
- delwin (dialog);
- items[scroll + choice]->selected = 1;
-
- remove("lxdialog.scrltmp");
- return button;
- case 'e':
- case 'x':
- key = ESC;
- case ESC:
- break;
- }
- }
-
- delwin (dialog);
- remove("lxdialog.scrltmp");
- return -1; /* ESC pressed */
-}
generated by cgit v1.1 at 2024-12-14 05:57:59 +0000