diff options
Diffstat (limited to 'scripts/config/lxdialog')
| -rw-r--r-- | scripts/config/lxdialog/BIG.FAT.WARNING | 4 | ||||
| -rw-r--r-- | scripts/config/lxdialog/checklist.c | 372 | ||||
| -rw-r--r-- | scripts/config/lxdialog/colors.h | 161 | ||||
| -rw-r--r-- | scripts/config/lxdialog/dialog.h | 199 | ||||
| -rw-r--r-- | scripts/config/lxdialog/inputbox.c | 240 | ||||
| -rw-r--r-- | scripts/config/lxdialog/menubox.c | 438 | ||||
| -rw-r--r-- | scripts/config/lxdialog/msgbox.c | 85 | ||||
| -rw-r--r-- | scripts/config/lxdialog/textbox.c | 556 | ||||
| -rw-r--r-- | scripts/config/lxdialog/util.c | 375 | ||||
| -rw-r--r-- | scripts/config/lxdialog/yesno.c | 118 |
10 files changed, 2548 insertions, 0 deletions
diff --git a/scripts/config/lxdialog/BIG.FAT.WARNING b/scripts/config/lxdialog/BIG.FAT.WARNING new file mode 100644 index 000000000..a8999d82b --- /dev/null +++ b/scripts/config/lxdialog/BIG.FAT.WARNING @@ -0,0 +1,4 @@ +This is NOT the official version of dialog. This version has been +significantly modified from the original. It is for use by the Linux +kernel configuration script. Please do not bother Savio Lam with +questions about this program. diff --git a/scripts/config/lxdialog/checklist.c b/scripts/config/lxdialog/checklist.c new file mode 100644 index 000000000..71de4a191 --- /dev/null +++ b/scripts/config/lxdialog/checklist.c @@ -0,0 +1,372 @@ +/* + * checklist.c -- implements the checklist box + * + * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) + * Stuart Herbert - S.Herbert@sheffield.ac.uk: radiolist extension + * Alessandro Rubini - rubini@ipvvis.unipv.it: merged the two + * 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 int list_width, check_x, item_x, checkflag; + +/* + * Print list item + */ +static void +print_item (WINDOW * win, const char *item, int status, + int choice, int selected) +{ + int i; + + /* Clear 'residue' of last item */ + wattrset (win, menubox_attr); + wmove (win, choice, 0); + for (i = 0; i < list_width; i++) + waddch (win, ' '); + + wmove (win, choice, check_x); + wattrset (win, selected ? check_selected_attr : check_attr); + if (checkflag == FLAG_CHECK) + wprintw (win, "[%c]", status ? 'X' : ' '); + else + wprintw (win, "(%c)", status ? 'X' : ' '); + + wattrset (win, selected ? tag_selected_attr : tag_attr); + mvwaddch(win, choice, item_x, item[0]); + wattrset (win, selected ? item_selected_attr : item_attr); + waddstr (win, (char *)item+1); + if (selected) { + wmove (win, choice, check_x+1); + wrefresh (win); + } +} + +/* + * Print the scroll indicators. + */ +static void +print_arrows (WINDOW * win, int choice, int item_no, int scroll, + int y, int x, int height) +{ + 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 + choice < item_no - 1)) { + 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); + } +} + +/* + * Display the termination buttons + */ +static void +print_buttons( WINDOW *dialog, int height, int width, int selected) +{ + int x = width / 2 - 11; + int y = height - 2; + + print_button (dialog, "Select", y, x, selected == 0); + print_button (dialog, " Help ", y, x + 14, selected == 1); + + wmove(dialog, y, x+1 + 14*selected); + wrefresh (dialog); +} + +/* + * Display a dialog box with a list of options that can be turned on or off + * The `flag' parameter is used to select between radiolist and checklist. + */ +int +dialog_checklist (const char *title, const char *prompt, int height, int width, + int list_height, int item_no, struct dialog_list_item ** items, + int flag) + +{ + int i, x, y, box_x, box_y; + int key = 0, button = 0, choice = 0, scroll = 0, max_choice, *status; + WINDOW *dialog, *list; + + checkflag = flag; + + /* Allocate space for storing item on/off status */ + if ((status = malloc (sizeof (int) * item_no)) == NULL) { + endwin (); + fprintf (stderr, + "\nCan't allocate memory in dialog_checklist().\n"); + exit (-1); + } + + /* Initializes status */ + for (i = 0; i < item_no; i++) { + status[i] = (items[i]->selected == 1); /* ON */ + if ((!choice && status[i]) || items[i]->selected == 2) /* SELECTED */ + choice = i + 1; + } + if (choice) + choice--; + + max_choice = MIN (list_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); + 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); + + list_width = width - 6; + box_y = height - list_height - 5; + box_x = (width - list_width) / 2 - 1; + + /* create new window for the list */ + list = subwin (dialog, list_height, list_width, y+box_y+1, x+box_x+1); + + keypad (list, TRUE); + + /* draw a box around the list items */ + draw_box (dialog, box_y, box_x, list_height + 2, list_width + 2, + menubox_border_attr, menubox_attr); + + /* Find length of longest item in order to center checklist */ + check_x = 0; + for (i = 0; i < item_no; i++) + check_x = MAX (check_x, + strlen (items[i]->name) + 4); + + check_x = (list_width - check_x) / 2; + item_x = check_x + 4; + + if (choice >= list_height) { + scroll = choice - list_height + 1; + choice -= scroll; + } + + /* Print the list */ + for (i = 0; i < max_choice; i++) { + print_item (list, items[scroll + i]->name, + status[i+scroll], i, i == choice); + } + + print_arrows(dialog, choice, item_no, scroll, + box_y, box_x + check_x + 5, list_height); + + print_buttons(dialog, height, width, 0); + + wnoutrefresh (list); + wnoutrefresh (dialog); + doupdate (); + + while (key != ESC) { + key = wgetch (dialog); + + for (i = 0; i < max_choice; i++) + if (toupper(key) == toupper(items[scroll + i]->name[0])) + break; + + + if ( i < max_choice || key == KEY_UP || key == KEY_DOWN || + key == '+' || key == '-' ) { + if (key == KEY_UP || key == '-') { + if (!choice) { + if (!scroll) + continue; + /* Scroll list down */ + if (list_height > 1) { + /* De-highlight current first item */ + print_item (list, items[scroll]->name, + status[scroll], 0, FALSE); + scrollok (list, TRUE); + wscrl (list, -1); + scrollok (list, FALSE); + } + scroll--; + print_item (list, items[scroll]->name, + status[scroll], 0, TRUE); + wnoutrefresh (list); + + print_arrows(dialog, choice, item_no, scroll, + box_y, box_x + check_x + 5, list_height); + + wrefresh (dialog); + + continue; /* wait for another key press */ + } else + i = choice - 1; + } else if (key == KEY_DOWN || key == '+') { + if (choice == max_choice - 1) { + if (scroll + choice >= item_no - 1) + continue; + /* Scroll list up */ + if (list_height > 1) { + /* De-highlight current last item before scrolling up */ + print_item (list, items[scroll + max_choice - 1]->name, + status[scroll + max_choice - 1], + max_choice - 1, FALSE); + scrollok (list, TRUE); + scroll (list); + scrollok (list, FALSE); + } + scroll++; + print_item (list, items[scroll + max_choice - 1]->name, + status[scroll + max_choice - 1], + max_choice - 1, TRUE); + wnoutrefresh (list); + + print_arrows(dialog, choice, item_no, scroll, + box_y, box_x + check_x + 5, list_height); + + wrefresh (dialog); + + continue; /* wait for another key press */ + } else + i = choice + 1; + } + if (i != choice) { + /* De-highlight current item */ + print_item (list, items[scroll + choice]->name, + status[scroll + choice], choice, FALSE); + /* Highlight new item */ + choice = i; + print_item (list, items[scroll + choice]->name, + status[scroll + choice], choice, TRUE); + wnoutrefresh (list); + wrefresh (dialog); + } + continue; /* wait for another key press */ + } + switch (key) { + case 'H': + case 'h': + case '?': + for (i = 0; i < item_no; i++) + items[i]->selected = 0; + items[scroll + choice]->selected = 1; + delwin (dialog); + free (status); + return 1; + case TAB: + case KEY_LEFT: + case KEY_RIGHT: + button = ((key == KEY_LEFT ? --button : ++button) < 0) + ? 1 : (button > 1 ? 0 : button); + + print_buttons(dialog, height, width, button); + wrefresh (dialog); + break; + case 'S': + case 's': + case ' ': + case '\n': + if (!button) { + if (flag == FLAG_CHECK) { + status[scroll + choice] = !status[scroll + choice]; + wmove (list, choice, check_x); + wattrset (list, check_selected_attr); + wprintw (list, "[%c]", status[scroll + choice] ? 'X' : ' '); + } else { + if (!status[scroll + choice]) { + for (i = 0; i < item_no; i++) + status[i] = 0; + status[scroll + choice] = 1; + for (i = 0; i < max_choice; i++) + print_item (list, items[scroll + i]->name, + status[scroll + i], i, i == choice); + } + } + wnoutrefresh (list); + wrefresh (dialog); + + for (i = 0; i < item_no; i++) { + items[i]->selected = status[i]; + } + } else { + for (i = 0; i < item_no; i++) + items[i]->selected = 0; + items[scroll + choice]->selected = 1; + } + delwin (dialog); + free (status); + return button; + case 'X': + case 'x': + key = ESC; + case ESC: + break; + } + + /* Now, update everything... */ + doupdate (); + } + + + delwin (dialog); + free (status); + return -1; /* ESC pressed */ +} diff --git a/scripts/config/lxdialog/colors.h b/scripts/config/lxdialog/colors.h new file mode 100644 index 000000000..d34dd37c6 --- /dev/null +++ b/scripts/config/lxdialog/colors.h @@ -0,0 +1,161 @@ +/* + * colors.h -- color attribute definitions + * + * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) + * + * 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. + */ + + +/* + * Default color definitions + * + * *_FG = foreground + * *_BG = background + * *_HL = highlight? + */ +#define SCREEN_FG COLOR_CYAN +#define SCREEN_BG COLOR_BLUE +#define SCREEN_HL TRUE + +#define SHADOW_FG COLOR_BLACK +#define SHADOW_BG COLOR_BLACK +#define SHADOW_HL TRUE + +#define DIALOG_FG COLOR_BLACK +#define DIALOG_BG COLOR_WHITE +#define DIALOG_HL FALSE + +#define TITLE_FG COLOR_YELLOW +#define TITLE_BG COLOR_WHITE +#define TITLE_HL TRUE + +#define BORDER_FG COLOR_WHITE +#define BORDER_BG COLOR_WHITE +#define BORDER_HL TRUE + +#define BUTTON_ACTIVE_FG COLOR_WHITE +#define BUTTON_ACTIVE_BG COLOR_BLUE +#define BUTTON_ACTIVE_HL TRUE + +#define BUTTON_INACTIVE_FG COLOR_BLACK +#define BUTTON_INACTIVE_BG COLOR_WHITE +#define BUTTON_INACTIVE_HL FALSE + +#define BUTTON_KEY_ACTIVE_FG COLOR_WHITE +#define BUTTON_KEY_ACTIVE_BG COLOR_BLUE +#define BUTTON_KEY_ACTIVE_HL TRUE + +#define BUTTON_KEY_INACTIVE_FG COLOR_RED +#define BUTTON_KEY_INACTIVE_BG COLOR_WHITE +#define BUTTON_KEY_INACTIVE_HL FALSE + +#define BUTTON_LABEL_ACTIVE_FG COLOR_YELLOW +#define BUTTON_LABEL_ACTIVE_BG COLOR_BLUE +#define BUTTON_LABEL_ACTIVE_HL TRUE + +#define BUTTON_LABEL_INACTIVE_FG COLOR_BLACK +#define BUTTON_LABEL_INACTIVE_BG COLOR_WHITE +#define BUTTON_LABEL_INACTIVE_HL TRUE + +#define INPUTBOX_FG COLOR_BLACK +#define INPUTBOX_BG COLOR_WHITE +#define INPUTBOX_HL FALSE + +#define INPUTBOX_BORDER_FG COLOR_BLACK +#define INPUTBOX_BORDER_BG COLOR_WHITE +#define INPUTBOX_BORDER_HL FALSE + +#define SEARCHBOX_FG COLOR_BLACK +#define SEARCHBOX_BG COLOR_WHITE +#define SEARCHBOX_HL FALSE + +#define SEARCHBOX_TITLE_FG COLOR_YELLOW +#define SEARCHBOX_TITLE_BG COLOR_WHITE +#define SEARCHBOX_TITLE_HL TRUE + +#define SEARCHBOX_BORDER_FG COLOR_WHITE +#define SEARCHBOX_BORDER_BG COLOR_WHITE +#define SEARCHBOX_BORDER_HL TRUE + +#define POSITION_INDICATOR_FG COLOR_YELLOW +#define POSITION_INDICATOR_BG COLOR_WHITE +#define POSITION_INDICATOR_HL TRUE + +#define MENUBOX_FG COLOR_BLACK +#define MENUBOX_BG COLOR_WHITE +#define MENUBOX_HL FALSE + +#define MENUBOX_BORDER_FG COLOR_WHITE +#define MENUBOX_BORDER_BG COLOR_WHITE +#define MENUBOX_BORDER_HL TRUE + +#define ITEM_FG COLOR_BLACK +#define ITEM_BG COLOR_WHITE +#define ITEM_HL FALSE + +#define ITEM_SELECTED_FG COLOR_WHITE +#define ITEM_SELECTED_BG COLOR_BLUE +#define ITEM_SELECTED_HL TRUE + +#define TAG_FG COLOR_YELLOW +#define TAG_BG COLOR_WHITE +#define TAG_HL TRUE + +#define TAG_SELECTED_FG COLOR_YELLOW +#define TAG_SELECTED_BG COLOR_BLUE +#define TAG_SELECTED_HL TRUE + +#define TAG_KEY_FG COLOR_YELLOW +#define TAG_KEY_BG COLOR_WHITE +#define TAG_KEY_HL TRUE + +#define TAG_KEY_SELECTED_FG COLOR_YELLOW +#define TAG_KEY_SELECTED_BG COLOR_BLUE +#define TAG_KEY_SELECTED_HL TRUE + +#define CHECK_FG COLOR_BLACK +#define CHECK_BG COLOR_WHITE +#define CHECK_HL FALSE + +#define CHECK_SELECTED_FG COLOR_WHITE +#define CHECK_SELECTED_BG COLOR_BLUE +#define CHECK_SELECTED_HL TRUE + +#define UARROW_FG COLOR_GREEN +#define UARROW_BG COLOR_WHITE +#define UARROW_HL TRUE + +#define DARROW_FG COLOR_GREEN +#define DARROW_BG COLOR_WHITE +#define DARROW_HL TRUE + +/* End of default color definitions */ + +#define C_ATTR(x,y) ((x ? A_BOLD : 0) | COLOR_PAIR((y))) +#define COLOR_NAME_LEN 10 +#define COLOR_COUNT 8 + +/* + * Global variables + */ + +typedef struct { + char name[COLOR_NAME_LEN]; + int value; +} color_names_st; + +extern color_names_st color_names[]; +extern int color_table[][3]; diff --git a/scripts/config/lxdialog/dialog.h b/scripts/config/lxdialog/dialog.h new file mode 100644 index 000000000..7bab3ad0e --- /dev/null +++ b/scripts/config/lxdialog/dialog.h @@ -0,0 +1,199 @@ + +/* + * dialog.h -- common declarations for all dialog modules + * + * AUTHOR: Savio Lam (lam836@cs.cuhk.hk) + * + * 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 <sys/types.h> +#include <fcntl.h> +#include <unistd.h> +#include <ctype.h> +#include <stdlib.h> +#include <string.h> + +#ifdef CURSES_LOC +#ifdef __sun__ +#define CURS_MACROS +#endif +#include CURSES_LOC + +/* + * Colors in ncurses 1.9.9e do not work properly since foreground and + * background colors are OR'd rather than separately masked. This version + * of dialog was hacked to work with ncurses 1.9.9e, making it incompatible + * with standard curses. The simplest fix (to make this work with standard + * curses) uses the wbkgdset() function, not used in the original hack. + * Turn it off if we're building with 1.9.9e, since it just confuses things. + */ +#if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) +#define OLD_NCURSES 1 +#undef wbkgdset +#define wbkgdset(w,p) /*nothing*/ +#else +#define OLD_NCURSES 0 +#endif + +#define TR(params) _tracef params + +#define ESC 27 +#define TAB 9 +#define MAX_LEN 2048 +#define BUF_SIZE (10*1024) +#define MIN(x,y) (x < y ? x : y) +#define MAX(x,y) (x > y ? x : y) + + +#ifndef ACS_ULCORNER +#define ACS_ULCORNER '+' +#endif +#ifndef ACS_LLCORNER +#define ACS_LLCORNER '+' +#endif +#ifndef ACS_URCORNER +#define ACS_URCORNER '+' +#endif +#ifndef ACS_LRCORNER +#define ACS_LRCORNER '+' +#endif +#ifndef ACS_HLINE +#define ACS_HLINE '-' +#endif +#ifndef ACS_VLINE +#define ACS_VLINE '|' +#endif +#ifndef ACS_LTEE +#define ACS_LTEE '+' +#endif +#ifndef ACS_RTEE +#define ACS_RTEE '+' +#endif +#ifndef ACS_UARROW +#define ACS_UARROW '^' +#endif +#ifndef ACS_DARROW +#define ACS_DARROW 'v' +#endif + +/* + * Attribute names + */ +#define screen_attr attributes[0] +#define shadow_attr attributes[1] +#define dialog_attr attributes[2] +#define title_attr attributes[3] +#define border_attr attributes[4] +#define button_active_attr attributes[5] +#define button_inactive_attr attributes[6] +#define button_key_active_attr attributes[7] +#define button_key_inactive_attr attributes[8] +#define button_label_active_attr attributes[9] +#define button_label_inactive_attr attributes[10] +#define inputbox_attr attributes[11] +#define inputbox_border_attr attributes[12] +#define searchbox_attr attributes[13] +#define searchbox_title_attr attributes[14] +#define searchbox_border_attr attributes[15] +#define position_indicator_attr attributes[16] +#define menubox_attr attributes[17] +#define menubox_border_attr attributes[18] +#define item_attr attributes[19] +#define item_selected_attr attributes[20] +#define tag_attr attributes[21] +#define tag_selected_attr attributes[22] +#define tag_key_attr attributes[23] +#define tag_key_selected_attr attributes[24] +#define check_attr attributes[25] +#define check_selected_attr attributes[26] +#define uarrow_attr attributes[27] +#define darrow_attr attributes[28] + +/* number of attributes */ +#define ATTRIBUTE_COUNT 29 + +/* + * Global variables + */ +extern bool use_colors; + +extern chtype attributes[]; +#endif + +extern const char *backtitle; + +struct dialog_list_item { + char *name; + int namelen; + char *tag; + int selected; /* Set to 1 by dialog_*() function. */ +}; + +/* + * Function prototypes + */ + +void init_dialog (void); +void end_dialog (void); +void dialog_clear (void); +#ifdef CURSES_LOC +void attr_clear (WINDOW * win, int height, int width, chtype attr); +void color_setup (void); +void print_autowrap (WINDOW * win, const char *prompt, int width, int y, int x); +void print_button (WINDOW * win, const char *label, int y, int x, int selected); +void draw_box (WINDOW * win, int y, int x, int height, int width, chtype box, + chtype border); +void draw_shadow (WINDOW * win, int y, int x, int height, int width); +#endif + +int first_alpha (const char *string, const char *exempt); +int dialog_yesno (const char *title, const char *prompt, int height, int width); +int dialog_msgbox (const char *title, const char *prompt, int height, + int width, int pause); +int dialog_textbox (const char *title, const char *file, int height, int width); +int dialog_menu (const char *title, const char *prompt, int height, int width, + int menu_height, const char *choice, int item_no, + struct dialog_list_item ** items); +int dialog_checklist (const char *title, const char *prompt, int height, + int width, int list_height, int item_no, + struct dialog_list_item ** items, int flag); +extern unsigned char dialog_input_result[]; +int dialog_inputbox (const char *title, const char *prompt, int height, + int width, const char *init); + +struct dialog_list_item *first_sel_item(int item_no, + struct dialog_list_item ** items); + +/* + * This is the base for fictitious keys, which activate + * the buttons. + * + * Mouse-generated keys are the following: + * -- the first 32 are used as numbers, in addition to '0'-'9' + * -- the lowercase are used to signal mouse-enter events (M_EVENT + 'o') + * -- uppercase chars are used to invoke the button (M_EVENT + 'O') + */ +#ifdef CURSES_LOC +#define M_EVENT (KEY_MAX+1) +#endif + + +/* + * The `flag' parameter in checklist is used to select between + * radiolist and checklist + */ +#define FLAG_CHECK 1 +#define FLAG_RADIO 0 diff --git a/scripts/config/lxdialog/inputbox.c b/scripts/config/lxdialog/inputbox.c new file mode 100644 index 000000000..fa7bebc69 --- /dev/null +++ b/scripts/config/lxdialog/inputbox.c @@ -0,0 +1,240 @@ +/* + * inputbox.c -- implements the input 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" + +unsigned char dialog_input_result[MAX_LEN + 1]; + +/* + * Print the termination buttons + */ +static void +print_buttons(WINDOW *dialog, int height, int width, int selected) +{ + int x = width / 2 - 11; + int y = height - 2; + + print_button (dialog, " Ok ", y, x, selected==0); + print_button (dialog, " Help ", y, x + 14, selected==1); + + wmove(dialog, y, x+1+14*selected); + wrefresh(dialog); +} + +/* + * Display a dialog box for inputing a string + */ +int +dialog_inputbox (const char *title, const char *prompt, int height, int width, + const char *init) +{ + int i, x, y, box_y, box_x, box_width; + int input_x = 0, scroll = 0, key = 0, button = -1; + unsigned char *instr = dialog_input_result; + WINDOW *dialog; + + /* 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); + 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); + + /* Draw the input field box */ + box_width = width - 6; + getyx (dialog, y, x); + box_y = y + 2; + box_x = (width - box_width) / 2; + draw_box (dialog, y + 1, box_x - 1, 3, box_width + 2, + border_attr, dialog_attr); + + print_buttons(dialog, height, width, 0); + + /* Set up the initial value */ + wmove (dialog, box_y, box_x); + wattrset (dialog, inputbox_attr); + + if (!init) + instr[0] = '\0'; + else + strcpy (instr, init); + + input_x = strlen (instr); + + if (input_x >= box_width) { + scroll = input_x - box_width + 1; + input_x = box_width - 1; + for (i = 0; i < box_width - 1; i++) + waddch (dialog, instr[scroll + i]); + } else + waddstr (dialog, instr); + + wmove (dialog, box_y, box_x + input_x); + + wrefresh (dialog); + + while (key != ESC) { + key = wgetch (dialog); + + if (button == -1) { /* Input box selected */ + switch (key) { + case TAB: + case KEY_UP: + case KEY_DOWN: + break; + case KEY_LEFT: + continue; + case KEY_RIGHT: + continue; + case KEY_BACKSPACE: + case 127: + if (input_x || scroll) { + wattrset (dialog, inputbox_attr); + if (!input_x) { + scroll = scroll < box_width - 1 ? + 0 : scroll - (box_width - 1); + wmove (dialog, box_y, box_x); + for (i = 0; i < box_width; i++) + waddch (dialog, instr[scroll + input_x + i] ? + instr[scroll + input_x + i] : ' '); + input_x = strlen (instr) - scroll; + } else + input_x--; + instr[scroll + input_x] = '\0'; + mvwaddch (dialog, box_y, input_x + box_x, ' '); + wmove (dialog, box_y, input_x + box_x); + wrefresh (dialog); + } + continue; + default: + if (key < 0x100 && isprint (key)) { + if (scroll + input_x < MAX_LEN) { + wattrset (dialog, inputbox_attr); + instr[scroll + input_x] = key; + instr[scroll + input_x + 1] = '\0'; + if (input_x == box_width - 1) { + scroll++; + wmove (dialog, box_y, box_x); + for (i = 0; i < box_width - 1; i++) + waddch (dialog, instr[scroll + i]); + } else { + wmove (dialog, box_y, input_x++ + box_x); + waddch (dialog, key); + } + wrefresh (dialog); + } else + flash (); /* Alarm user about overflow */ + continue; + } + } + } + switch (key) { + case 'O': + case 'o': + delwin (dialog); + return 0; + case 'H': + case 'h': + delwin (dialog); + return 1; + case KEY_UP: + case KEY_LEFT: + switch (button) { + case -1: + button = 1; /* Indicates "Cancel" button is selected */ + print_buttons(dialog, height, width, 1); + break; + case 0: + button = -1; /* Indicates input box is selected */ + print_buttons(dialog, height, width, 0); + wmove (dialog, box_y, box_x + input_x); + wrefresh (dialog); + break; + case 1: + button = 0; /* Indicates "OK" button is selected */ + print_buttons(dialog, height, width, 0); + break; + } + break; + case TAB: + case KEY_DOWN: + case KEY_RIGHT: + switch (button) { + case -1: + button = 0; /* Indicates "OK" button is selected */ + print_buttons(dialog, height, width, 0); + break; + case 0: + button = 1; /* Indicates "Cancel" button is selected */ + print_buttons(dialog, height, width, 1); + break; + case 1: + button = -1; /* Indicates input box is selected */ + print_buttons(dialog, height, width, 0); + wmove (dialog, box_y, box_x + input_x); + wrefresh (dialog); + break; + } + break; + case ' ': + case '\n': + delwin (dialog); + return (button == -1 ? 0 : button); + case 'X': + case 'x': + key = ESC; + case ESC: + break; + } + } + + delwin (dialog); + return -1; /* ESC pressed */ +} diff --git a/scripts/config/lxdialog/menubox.c b/scripts/config/lxdialog/menubox.c new file mode 100644 index 000000000..873dc587b --- /dev/null +++ b/scripts/config/lxdialog/menubox.c @@ -0,0 +1,438 @@ +/* + * 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, "YyNnMmHh"); + + /* 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("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) { + + 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; + } + } + + delwin (dialog); + remove("lxdialog.scrltmp"); + return -1; /* ESC pressed */ +} diff --git a/scripts/config/lxdialog/msgbox.c b/scripts/config/lxdialog/msgbox.c new file mode 100644 index 000000000..93692e1fb --- /dev/null +++ b/scripts/config/lxdialog/msgbox.c @@ -0,0 +1,85 @@ +/* + * msgbox.c -- implements the message box and info 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. + */ + +#include "dialog.h" + +/* + * Display a message box. Program will pause and display an "OK" button + * if the parameter 'pause' is non-zero. + */ +int +dialog_msgbox (const char *title, const char *prompt, int height, int width, + int pause) +{ + int i, x, y, key = 0; + WINDOW *dialog; + + /* 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); + + 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, 2); + + if (pause) { + 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); + waddch (dialog, ACS_RTEE); + + print_button (dialog, " Ok ", + height - 2, width / 2 - 4, TRUE); + + wrefresh (dialog); + while (key != ESC && key != '\n' && key != ' ' && + key != 'O' && key != 'o' && key != 'X' && key != 'x') + key = wgetch (dialog); + } else { + key = '\n'; + wrefresh (dialog); + } + + delwin (dialog); + return key == ESC ? -1 : 0; +} diff --git a/scripts/config/lxdialog/textbox.c b/scripts/config/lxdialog/textbox.c new file mode 100644 index 000000000..a5a460b5c --- /dev/null +++ b/scripts/config/lxdialog/textbox.c @@ -0,0 +1,556 @@ +/* + * 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, int height, int width); + +static int hscroll, fd, file_size, bytes_read; +static int begin_reached = 1, end_reached, page_length; +static char *buf, *page; + +/* + * Display text from a file in a dialog box. + */ +int +dialog_textbox (const char *title, const char *file, int height, int width) +{ + int i, x, y, cur_x, cur_y, fpos, key = 0; + int passed_end; + char search_term[MAX_LEN + 1]; + WINDOW *dialog, *text; + + search_term[0] = '\0'; /* no search term entered yet */ + + /* Open input file for reading */ + if ((fd = open (file, O_RDONLY)) == -1) { + endwin (); + fprintf (stderr, + "\nCan't open input file in dialog_textbox().\n"); + exit (-1); + } + /* Get file size. Actually, 'file_size' is the real file size - 1, + since it's only the last byte offset from the beginning */ + if ((file_size = lseek (fd, 0, SEEK_END)) == -1) { + endwin (); + fprintf (stderr, "\nError getting file size in dialog_textbox().\n"); + exit (-1); + } + /* Restore file pointer to beginning of file after getting file size */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + /* Allocate space for read buffer */ + if ((buf = malloc (BUF_SIZE + 1)) == NULL) { + endwin (); + fprintf (stderr, "\nCan't allocate memory in dialog_textbox().\n"); + exit (-1); + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in dialog_textbox().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; /* mark end of valid data */ + page = buf; /* page is pointer to start of page to be displayed */ + + /* 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 text region, used for scrolling text */ + text = subwin (dialog, height - 4, width - 2, y + 1, x + 1); + wattrset (text, dialog_attr); + wbkgdset (text, dialog_attr & A_COLOR); + + keypad (text, TRUE); + + /* register the new window, along with its borders */ + 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, ' '); + } + print_button (dialog, " 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 (text, height - 4, width - 2, dialog_attr); + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + + while ((key != ESC) && (key != '\n')) { + key = wgetch (dialog); + switch (key) { + case 'E': /* Exit */ + case 'e': + case 'X': + case 'x': + delwin (dialog); + free (buf); + close (fd); + return 0; + case 'g': /* First page */ + case KEY_HOME: + if (!begin_reached) { + begin_reached = 1; + /* First page not in buffer? */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if (fpos > bytes_read) { /* Yes, we have to read it in */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "dialog_textbox().\n"); + exit (-1); + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, + "\nError reading file in dialog_textbox().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } + page = buf; + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + } + break; + case 'G': /* Last page */ + case KEY_END: + + end_reached = 1; + /* Last page not in buffer? */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if (fpos < file_size) { /* Yes, we have to read it in */ + if (lseek (fd, -BUF_SIZE, SEEK_END) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in dialog_textbox().\n"); + exit (-1); + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, + "\nError reading file in dialog_textbox().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } + page = buf + bytes_read; + back_lines (height - 4); + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh (dialog); + 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 (text, TRUE); + wscrl (text, -1); /* Scroll text region down one line */ + scrollok (text, FALSE); + page_length = 0; + passed_end = 0; + for (i = 0; i < height - 4; i++) { + if (!i) { + /* print first line of page */ + print_line (text, 0, width - 2); + wnoutrefresh (text); + } 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, height, width); + 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 + height - 4); + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case 'J': /* Next line */ + case 'j': + case KEY_DOWN: + if (!end_reached) { + begin_reached = 0; + scrollok (text, TRUE); + scroll (text); /* Scroll text region up one line */ + scrollok (text, FALSE); + print_line (text, height - 5, width - 2); + wnoutrefresh (text); + print_position (dialog, height, width); + 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; + print_page (text, height - 4, width - 2); + print_position (dialog, height, width); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + 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); + print_page (text, height - 4, width - 2); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + 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); + print_page (text, height - 4, width - 2); + wmove (dialog, cur_y, cur_x); + wrefresh (dialog); + break; + case ESC: + break; + } + } + + delwin (dialog); + free (buf); + close (fd); + return 1; /* ESC pressed */ +} + +/* + * Go back 'n' lines in text file. Called by dialog_textbox(). + * 'page' will be updated to point to the desired line in 'buf'. + */ +static void +back_lines (int n) +{ + int i, fpos; + + begin_reached = 0; + /* We have to distinguish between end_reached and !end_reached + since at end of file, the line is not ended by a '\n'. + The code inside 'if' basically does a '--page' to move one + character backward so as to skip '\n' of the previous line */ + if (!end_reached) { + /* Either beginning of buffer or beginning of file reached? */ + if (page == buf) { + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "back_lines().\n"); + exit (-1); + } + if (fpos > bytes_read) { /* Not beginning of file yet */ + /* We've reached beginning of buffer, but not beginning of + file yet, so read previous part of file into buffer. + Note that we only move backward for BUF_SIZE/2 bytes, + but not BUF_SIZE bytes to avoid re-reading again in + print_page() later */ + /* Really possible to move backward BUF_SIZE/2 bytes? */ + if (fpos < BUF_SIZE / 2 + bytes_read) { + /* No, move less then */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "back_lines().\n"); + exit (-1); + } + page = buf + fpos - bytes_read; + } else { /* Move backward BUF_SIZE/2 bytes */ + if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), SEEK_CUR) + == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer " + "in back_lines().\n"); + exit (-1); + } + page = buf + BUF_SIZE / 2; + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in back_lines().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } else { /* Beginning of file reached */ + begin_reached = 1; + return; + } + } + if (*(--page) != '\n') { /* '--page' here */ + /* Something's wrong... */ + endwin (); + fprintf (stderr, "\nInternal error in back_lines().\n"); + exit (-1); + } + } + /* Go back 'n' lines */ + for (i = 0; i < n; i++) + do { + if (page == buf) { + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, + "\nError moving file pointer in back_lines().\n"); + exit (-1); + } + if (fpos > bytes_read) { + /* Really possible to move backward BUF_SIZE/2 bytes? */ + if (fpos < BUF_SIZE / 2 + bytes_read) { + /* No, move less then */ + if (lseek (fd, 0, SEEK_SET) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer " + "in back_lines().\n"); + exit (-1); + } + page = buf + fpos - bytes_read; + } else { /* Move backward BUF_SIZE/2 bytes */ + if (lseek (fd, -(BUF_SIZE / 2 + bytes_read), + SEEK_CUR) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer" + " in back_lines().\n"); + exit (-1); + } + page = buf + BUF_SIZE / 2; + } + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in " + "back_lines().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + } else { /* Beginning of file reached */ + begin_reached = 1; + return; + } + } + } 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, fpos; + static char line[MAX_LEN + 1]; + + end_reached = 0; + while (*page != '\n') { + if (*page == '\0') { + /* Either end of file or end of buffer reached */ + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in " + "get_line().\n"); + exit (-1); + } + if (fpos < file_size) { /* Not end of file yet */ + /* We've reached end of buffer, but not end of file yet, + so read next part of file into buffer */ + if ((bytes_read = read (fd, buf, BUF_SIZE)) == -1) { + endwin (); + fprintf (stderr, "\nError reading file in get_line().\n"); + exit (-1); + } + buf[bytes_read] = '\0'; + page = buf; + } else { + 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 height, int width) +{ + int fpos, percent; + + if ((fpos = lseek (fd, 0, SEEK_CUR)) == -1) { + endwin (); + fprintf (stderr, "\nError moving file pointer in print_position().\n"); + exit (-1); + } + wattrset (win, position_indicator_attr); + wbkgdset (win, position_indicator_attr & A_COLOR); + percent = !file_size ? + 100 : ((fpos - bytes_read + page - buf) * 100) / file_size; + wmove (win, height - 3, width - 9); + wprintw (win, "(%3d%%)", percent); +} diff --git a/scripts/config/lxdialog/util.c b/scripts/config/lxdialog/util.c new file mode 100644 index 000000000..6f83951b9 --- /dev/null +++ b/scripts/config/lxdialog/util.c @@ -0,0 +1,375 @@ +/* + * util.c + * + * 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" + + +/* use colors by default? */ +bool use_colors = 1; + +const char *backtitle = NULL; + +const char *dialog_result; + +/* + * Attribute values, default is for mono display + */ +chtype attributes[] = +{ + A_NORMAL, /* screen_attr */ + A_NORMAL, /* shadow_attr */ + A_NORMAL, /* dialog_attr */ + A_BOLD, /* title_attr */ + A_NORMAL, /* border_attr */ + A_REVERSE, /* button_active_attr */ + A_DIM, /* button_inactive_attr */ + A_REVERSE, /* button_key_active_attr */ + A_BOLD, /* button_key_inactive_attr */ + A_REVERSE, /* button_label_active_attr */ + A_NORMAL, /* button_label_inactive_attr */ + A_NORMAL, /* inputbox_attr */ + A_NORMAL, /* inputbox_border_attr */ + A_NORMAL, /* searchbox_attr */ + A_BOLD, /* searchbox_title_attr */ + A_NORMAL, /* searchbox_border_attr */ + A_BOLD, /* position_indicator_attr */ + A_NORMAL, /* menubox_attr */ + A_NORMAL, /* menubox_border_attr */ + A_NORMAL, /* item_attr */ + A_REVERSE, /* item_selected_attr */ + A_BOLD, /* tag_attr */ + A_REVERSE, /* tag_selected_attr */ + A_BOLD, /* tag_key_attr */ + A_REVERSE, /* tag_key_selected_attr */ + A_BOLD, /* check_attr */ + A_REVERSE, /* check_selected_attr */ + A_BOLD, /* uarrow_attr */ + A_BOLD /* darrow_attr */ +}; + + +#include "colors.h" + +/* + * Table of color values + */ +int color_table[][3] = +{ + {SCREEN_FG, SCREEN_BG, SCREEN_HL}, + {SHADOW_FG, SHADOW_BG, SHADOW_HL}, + {DIALOG_FG, DIALOG_BG, DIALOG_HL}, + {TITLE_FG, TITLE_BG, TITLE_HL}, + {BORDER_FG, BORDER_BG, BORDER_HL}, + {BUTTON_ACTIVE_FG, BUTTON_ACTIVE_BG, BUTTON_ACTIVE_HL}, + {BUTTON_INACTIVE_FG, BUTTON_INACTIVE_BG, BUTTON_INACTIVE_HL}, + {BUTTON_KEY_ACTIVE_FG, BUTTON_KEY_ACTIVE_BG, BUTTON_KEY_ACTIVE_HL}, + {BUTTON_KEY_INACTIVE_FG, BUTTON_KEY_INACTIVE_BG, BUTTON_KEY_INACTIVE_HL}, + {BUTTON_LABEL_ACTIVE_FG, BUTTON_LABEL_ACTIVE_BG, BUTTON_LABEL_ACTIVE_HL}, + {BUTTON_LABEL_INACTIVE_FG, BUTTON_LABEL_INACTIVE_BG, + BUTTON_LABEL_INACTIVE_HL}, + {INPUTBOX_FG, INPUTBOX_BG, INPUTBOX_HL}, + {INPUTBOX_BORDER_FG, INPUTBOX_BORDER_BG, INPUTBOX_BORDER_HL}, + {SEARCHBOX_FG, SEARCHBOX_BG, SEARCHBOX_HL}, + {SEARCHBOX_TITLE_FG, SEARCHBOX_TITLE_BG, SEARCHBOX_TITLE_HL}, + {SEARCHBOX_BORDER_FG, SEARCHBOX_BORDER_BG, SEARCHBOX_BORDER_HL}, + {POSITION_INDICATOR_FG, POSITION_INDICATOR_BG, POSITION_INDICATOR_HL}, + {MENUBOX_FG, MENUBOX_BG, MENUBOX_HL}, + {MENUBOX_BORDER_FG, MENUBOX_BORDER_BG, MENUBOX_BORDER_HL}, + {ITEM_FG, ITEM_BG, ITEM_HL}, + {ITEM_SELECTED_FG, ITEM_SELECTED_BG, ITEM_SELECTED_HL}, + {TAG_FG, TAG_BG, TAG_HL}, + {TAG_SELECTED_FG, TAG_SELECTED_BG, TAG_SELECTED_HL}, + {TAG_KEY_FG, TAG_KEY_BG, TAG_KEY_HL}, + {TAG_KEY_SELECTED_FG, TAG_KEY_SELECTED_BG, TAG_KEY_SELECTED_HL}, + {CHECK_FG, CHECK_BG, CHECK_HL}, + {CHECK_SELECTED_FG, CHECK_SELECTED_BG, CHECK_SELECTED_HL}, + {UARROW_FG, UARROW_BG, UARROW_HL}, + {DARROW_FG, DARROW_BG, DARROW_HL}, +}; /* color_table */ + +/* + * Set window to attribute 'attr' + */ +void +attr_clear (WINDOW * win, int height, int width, chtype attr) +{ + int i, j; + + wattrset (win, attr); + for (i = 0; i < height; i++) { + wmove (win, i, 0); + for (j = 0; j < width; j++) + waddch (win, ' '); + } + touchwin (win); +} + +void dialog_clear (void) +{ + attr_clear (stdscr, LINES, COLS, screen_attr); + /* Display background title if it exists ... - SLH */ + if (backtitle != NULL) { + int i; + + wattrset (stdscr, screen_attr); + mvwaddstr (stdscr, 0, 1, (char *)backtitle); + wmove (stdscr, 1, 1); + for (i = 1; i < COLS - 1; i++) + waddch (stdscr, ACS_HLINE); + } + wnoutrefresh (stdscr); +} + +/* + * Do some initialization for dialog + */ +void +init_dialog (void) +{ + initscr (); /* Init curses */ + keypad (stdscr, TRUE); + cbreak (); + noecho (); + + + if (use_colors) /* Set up colors */ + color_setup (); + + + dialog_clear (); +} + +/* + * Setup for color display + */ +void +color_setup (void) +{ + int i; + + if (has_colors ()) { /* Terminal supports color? */ + start_color (); + + /* Initialize color pairs */ + for (i = 0; i < ATTRIBUTE_COUNT; i++) + init_pair (i + 1, color_table[i][0], color_table[i][1]); + + /* Setup color attributes */ + for (i = 0; i < ATTRIBUTE_COUNT; i++) + attributes[i] = C_ATTR (color_table[i][2], i + 1); + } +} + +/* + * End using dialog functions. + */ +void +end_dialog (void) +{ + endwin (); +} + + +/* + * Print a string of text in a window, automatically wrap around to the + * next line if the string is too long to fit on one line. Newline + * characters '\n' are replaced by spaces. We start on a new line + * if there is no room for at least 4 nonblanks following a double-space. + */ +void +print_autowrap (WINDOW * win, const char *prompt, int width, int y, int x) +{ + int newl, cur_x, cur_y; + int i, prompt_len, room, wlen; + char tempstr[MAX_LEN + 1], *word, *sp, *sp2; + + strcpy (tempstr, prompt); + + prompt_len = strlen(tempstr); + + /* + * Remove newlines + */ + for(i=0; i<prompt_len; i++) { + if(tempstr[i] == '\n') tempstr[i] = ' '; + } + + if (prompt_len <= width - x * 2) { /* If prompt is short */ + wmove (win, y, (width - prompt_len) / 2); + waddstr (win, tempstr); + } else { + cur_x = x; + cur_y = y; + newl = 1; + word = tempstr; + while (word && *word) { + sp = index(word, ' '); + if (sp) + *sp++ = 0; + + /* Wrap to next line if either the word does not fit, + or it is the first word of a new sentence, and it is + short, and the next word does not fit. */ + room = width - cur_x; + wlen = strlen(word); + if (wlen > room || + (newl && wlen < 4 && sp && wlen+1+strlen(sp) > room + && (!(sp2 = index(sp, ' ')) || wlen+1+(sp2-sp) > room))) { + cur_y++; + cur_x = x; + } + wmove (win, cur_y, cur_x); + waddstr (win, word); + getyx (win, cur_y, cur_x); + cur_x++; + if (sp && *sp == ' ') { + cur_x++; /* double space */ + while (*++sp == ' '); + newl = 1; + } else + newl = 0; + word = sp; + } + } +} + +/* + * Print a button + */ +void +print_button (WINDOW * win, const char *label, int y, int x, int selected) +{ + int i, temp; + + wmove (win, y, x); + wattrset (win, selected ? button_active_attr : button_inactive_attr); + waddstr (win, "<"); + temp = strspn (label, " "); + label += temp; + wattrset (win, selected ? button_label_active_attr + : button_label_inactive_attr); + for (i = 0; i < temp; i++) + waddch (win, ' '); + wattrset (win, selected ? button_key_active_attr + : button_key_inactive_attr); + waddch (win, label[0]); + wattrset (win, selected ? button_label_active_attr + : button_label_inactive_attr); + waddstr (win, (char *)label + 1); + wattrset (win, selected ? button_active_attr : button_inactive_attr); + waddstr (win, ">"); + wmove (win, y, x + temp + 1); +} + +/* + * Draw a rectangular box with line drawing characters + */ +void +draw_box (WINDOW * win, int y, int x, int height, int width, + chtype box, chtype border) +{ + int i, j; + + wattrset (win, 0); + for (i = 0; i < height; i++) { + wmove (win, y + i, x); + for (j = 0; j < width; j++) + if (!i && !j) + waddch (win, border | ACS_ULCORNER); + else if (i == height - 1 && !j) + waddch (win, border | ACS_LLCORNER); + else if (!i && j == width - 1) + waddch (win, box | ACS_URCORNER); + else if (i == height - 1 && j == width - 1) + waddch (win, box | ACS_LRCORNER); + else if (!i) + waddch (win, border | ACS_HLINE); + else if (i == height - 1) + waddch (win, box | ACS_HLINE); + else if (!j) + waddch (win, border | ACS_VLINE); + else if (j == width - 1) + waddch (win, box | ACS_VLINE); + else + waddch (win, box | ' '); + } +} + +/* + * Draw shadows along the right and bottom edge to give a more 3D look + * to the boxes + */ +void +draw_shadow (WINDOW * win, int y, int x, int height, int width) +{ + int i; + + if (has_colors ()) { /* Whether terminal supports color? */ + wattrset (win, shadow_attr); + wmove (win, y + height, x + 2); + for (i = 0; i < width; i++) + waddch (win, winch (win) & A_CHARTEXT); + for (i = y + 1; i < y + height + 1; i++) { + wmove (win, i, x + width); + waddch (win, winch (win) & A_CHARTEXT); + waddch (win, winch (win) & A_CHARTEXT); + } + wnoutrefresh (win); + } +} + +/* + * Return the position of the first alphabetic character in a string. + */ +int +first_alpha(const char *string, const char *exempt) +{ + int i, in_paren=0, c; + + for (i = 0; i < strlen(string); i++) { + c = tolower(string[i]); + + if (strchr("<[(", c)) ++in_paren; + if (strchr(">])", c) && in_paren > 0) --in_paren; + + if ((! in_paren) && isalpha(c) && + strchr(exempt, c) == 0) + return i; + } + + return 0; +} + +/* + * Get the first selected item in the dialog_list_item list. + */ +struct dialog_list_item * +first_sel_item(int item_no, struct dialog_list_item ** items) +{ + int i; + + for (i = 0; i < item_no; i++) { + if (items[i]->selected) + return items[i]; + } + + return NULL; +} diff --git a/scripts/config/lxdialog/yesno.c b/scripts/config/lxdialog/yesno.c new file mode 100644 index 000000000..11fcc25f5 --- /dev/null +++ b/scripts/config/lxdialog/yesno.c @@ -0,0 +1,118 @@ +/* + * yesno.c -- implements the yes/no 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" + +/* + * Display termination buttons + */ +static void +print_buttons(WINDOW *dialog, int height, int width, int selected) +{ + int x = width / 2 - 10; + int y = height - 2; + + print_button (dialog, " Yes ", y, x, selected == 0); + print_button (dialog, " No ", y, x + 13, selected == 1); + + wmove(dialog, y, x+1 + 13*selected ); + wrefresh (dialog); +} + +/* + * Display a dialog box with two buttons - Yes and No + */ +int +dialog_yesno (const char *title, const char *prompt, int height, int width) +{ + int i, x, y, key = 0, button = 0; + WINDOW *dialog; + + /* 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); + 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); + + print_buttons(dialog, height, width, 0); + + while (key != ESC) { + key = wgetch (dialog); + switch (key) { + case 'Y': + case 'y': + delwin (dialog); + return 0; + case 'N': + case 'n': + delwin (dialog); + return 1; + + case TAB: + case KEY_LEFT: + case KEY_RIGHT: + button = ((key == KEY_LEFT ? --button : ++button) < 0) + ? 1 : (button > 1 ? 0 : button); + + print_buttons(dialog, height, width, button); + wrefresh (dialog); + break; + case ' ': + case '\n': + delwin (dialog); + return button; + case ESC: + break; + } + } + + delwin (dialog); + return -1; /* ESC pressed */ +} |