diff options
Diffstat (limited to 'package/config/lxdialog/menubox.c')
| -rw-r--r-- | package/config/lxdialog/menubox.c | 672 |
1 files changed, 334 insertions, 338 deletions
diff --git a/package/config/lxdialog/menubox.c b/package/config/lxdialog/menubox.c index 873dc587b..0d83159d9 100644 --- a/package/config/lxdialog/menubox.c +++ b/package/config/lxdialog/menubox.c @@ -63,376 +63,372 @@ static int menu_width, item_x; /* * Print menu item */ -static void -print_item (WINDOW * win, const char *item, int choice, int selected, int hotkey) +static void do_print_item(WINDOW * win, const char *item, int line_y, + int selected, int hotkey) { - int j; - char menu_item[menu_width+1]; + int j; + char *menu_item = malloc(menu_width + 1); - strncpy(menu_item, item, menu_width); - menu_item[menu_width] = 0; - j = first_alpha(menu_item, "YyNnMmHh"); + strncpy(menu_item, item, menu_width - item_x); + menu_item[menu_width - item_x] = '\0'; + j = first_alpha(menu_item, "YyNnMmHh"); - /* Clear 'residue' of last item */ - wattrset (win, menubox_attr); - wmove (win, choice, 0); + /* Clear 'residue' of last item */ + wattrset(win, dlg.menubox.atr); + wmove(win, line_y, 0); #if OLD_NCURSES - { - int i; - for (i = 0; i < menu_width; i++) - waddch (win, ' '); - } + { + int i; + for (i = 0; i < menu_width; i++) + waddch(win, ' '); + } #else - wclrtoeol(win); + 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); - } + wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr); + mvwaddstr(win, line_y, item_x, menu_item); + if (hotkey) { + wattrset(win, selected ? dlg.tag_key_selected.atr + : dlg.tag_key.atr); + mvwaddch(win, line_y, item_x + j, menu_item[j]); + } + if (selected) { + wmove(win, line_y, item_x + 1); + } + free(menu_item); + wrefresh(win); } +#define print_item(index, choice, selected) \ +do { \ + item_set(index); \ + do_print_item(menu, item_str(), choice, selected, !item_is_tag(':')); \ +} while (0) + /* * Print the scroll indicators. */ -static void -print_arrows (WINDOW * win, int item_no, int scroll, - int y, int x, int height) +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); + int cur_y, cur_x; + + getyx(win, cur_y, cur_x); + + wmove(win, y, x); + + if (scroll > 0) { + wattrset(win, dlg.uarrow.atr); + waddch(win, ACS_UARROW); + waddstr(win, "(-)"); + } else { + wattrset(win, dlg.menubox.atr); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + } + + y = y + height + 1; + wmove(win, y, x); + wrefresh(win); + + if ((height < item_no) && (scroll + height < item_no)) { + wattrset(win, dlg.darrow.atr); + waddch(win, ACS_DARROW); + waddstr(win, "(+)"); + } else { + wattrset(win, dlg.menubox_border.atr); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + waddch(win, ACS_HLINE); + } + + wmove(win, cur_y, cur_x); + wrefresh(win); } /* * Display the termination buttons. */ -static void -print_buttons (WINDOW *win, int height, int width, int selected) +static void print_buttons(WINDOW * win, int height, int width, int selected) { - int x = width / 2 - 16; - int y = height - 2; + 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); - 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); +} - wmove(win, y, x+1+12*selected); - wrefresh (win); +/* scroll up n lines (n may be negative) */ +static void do_scroll(WINDOW *win, int *scroll, int n) +{ + /* Scroll menu up */ + scrollok(win, TRUE); + wscrl(win, n); + scrollok(win, FALSE); + *scroll = *scroll + n; + 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 dialog_menu(const char *title, const char *prompt, + const void *selected, int *s_scroll) { - 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); + int i, j, x, y, box_x, box_y; + int height, width, menu_height; + int key = 0, button = 0, scroll = 0, choice = 0; + int first_item = 0, max_choice; + WINDOW *dialog, *menu; + +do_resize: + height = getmaxy(stdscr); + width = getmaxx(stdscr); + if (height < 15 || width < 65) + return -ERRDISPLAYTOOSMALL; + + height -= 4; + width -= 5; + menu_height = height - 10; + + max_choice = MIN(menu_height, item_count()); + + /* 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, + 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); + + wattrset(dialog, dlg.dialog.atr); + 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, + dlg.menubox_border.atr, dlg.menubox.atr); + + if (menu_width >= 80) + item_x = (menu_width - 70) / 2; + else + item_x = 4; + + /* Set choice to default item */ + item_foreach() + if (selected && (selected == item_data())) + choice = item_n(); + /* get the saved scroll info */ + scroll = *s_scroll; + if ((scroll <= choice) && (scroll + max_choice > choice) && + (scroll >= 0) && (scroll + max_choice <= item_count())) { + first_item = scroll; + choice = choice - scroll; } else { - scroll=0; - remove("lxdialog.scrltmp"); - fclose(f); - f=NULL; + scroll = 0; + } + if ((choice >= max_choice)) { + if (choice >= item_count() - max_choice / 2) + scroll = first_item = item_count() - max_choice; + else + scroll = first_item = choice - max_choice / 2; + choice = choice - scroll; } - } - 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); + /* Print the menu */ + for (i = 0; i < max_choice; i++) { + print_item(first_item + i, i, i == choice); + } - if (key < 256 && isalpha(key)) key = tolower(key); + wnoutrefresh(menu); + + print_arrows(dialog, item_count(), 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 != KEY_ESC) { + key = wgetch(menu); + + if (key < 256 && isalpha(key)) + key = tolower(key); + + if (strchr("ynmh", key)) + i = max_choice; + else { + for (i = choice + 1; i < max_choice; i++) { + item_set(scroll + i); + j = first_alpha(item_str(), "YyNnMmHh"); + if (key == tolower(item_str()[j])) + break; + } + if (i == max_choice) + for (i = 0; i < max_choice; i++) { + item_set(scroll + i); + j = first_alpha(item_str(), "YyNnMmHh"); + if (key == tolower(item_str()[j])) + break; + } + } - if (strchr("ynmh", key)) - i = max_choice; - else { - for (i = choice+1; i < max_choice; i++) { - j = first_alpha(items[scroll + i]->name, "YyNnMmHh"); - 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, "YyNnMmHh"); - 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) { + /* Remove highligt of current item */ + print_item(scroll + choice, choice, FALSE); + + if (key == KEY_UP || key == '-') { + if (choice < 2 && scroll) { + /* Scroll menu down */ + do_scroll(menu, &scroll, -1); + + print_item(scroll, 0, FALSE); + } else + choice = MAX(choice - 1, 0); + + } else if (key == KEY_DOWN || key == '+') { + print_item(scroll+choice, choice, FALSE); + + if ((choice > max_choice - 3) && + (scroll + max_choice < item_count())) { + /* Scroll menu up */ + do_scroll(menu, &scroll, 1); + + print_item(scroll+max_choice - 1, + max_choice - 1, FALSE); + } 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) { + do_scroll(menu, &scroll, -1); + print_item(scroll, 0, FALSE); + } else { + if (choice > 0) + choice--; + } + } + + } else if (key == KEY_NPAGE) { + for (i = 0; (i < max_choice); i++) { + if (scroll + max_choice < item_count()) { + do_scroll(menu, &scroll, 1); + print_item(scroll+max_choice-1, + max_choice - 1, FALSE); + } else { + if (choice + 1 < max_choice) + choice++; + } + } + } else + choice = i; + + print_item(scroll + choice, choice, TRUE); + + print_arrows(dialog, item_count(), scroll, + box_y, box_x + item_x + 1, menu_height); + + wnoutrefresh(dialog); + wrefresh(menu); + + continue; /* wait for another key press */ } - } - 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': - case '/': - /* 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; - case '/': return 7; - } - 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; + 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': + case '/': + /* save scroll info */ + *s_scroll = scroll; + delwin(menu); + delwin(dialog); + item_set(scroll + choice); + item_set_selected(1); + switch (key) { + case 's': + return 3; + case 'y': + return 3; + case 'n': + return 4; + case 'm': + return 5; + case ' ': + return 6; + case '/': + return 7; + } + return 0; + case 'h': + case '?': + button = 2; + case '\n': + *s_scroll = scroll; + delwin(menu); + delwin(dialog); + item_set(scroll + choice); + item_set_selected(1); + return button; + case 'e': + case 'x': + key = KEY_ESC; + break; + case KEY_ESC: + key = on_key_esc(menu); + break; + case KEY_RESIZE: + on_key_resize(); + delwin(menu); + delwin(dialog); + goto do_resize; + } } - } - - delwin (dialog); - remove("lxdialog.scrltmp"); - return -1; /* ESC pressed */ + delwin(menu); + delwin(dialog); + return key; /* ESC pressed */ } |