diff options
Diffstat (limited to 'package/config/lxdialog')
| -rw-r--r-- | package/config/lxdialog/check-lxdialog.sh | 84 | ||||
| -rw-r--r-- | package/config/lxdialog/checklist.c | 587 | ||||
| -rw-r--r-- | package/config/lxdialog/dialog.h | 207 | ||||
| -rw-r--r-- | package/config/lxdialog/inputbox.c | 394 | ||||
| -rw-r--r-- | package/config/lxdialog/menubox.c | 672 | ||||
| -rw-r--r-- | package/config/lxdialog/textbox.c | 797 | ||||
| -rw-r--r-- | package/config/lxdialog/util.c | 795 | ||||
| -rw-r--r-- | package/config/lxdialog/yesno.c | 156 |
8 files changed, 1922 insertions, 1770 deletions
diff --git a/package/config/lxdialog/check-lxdialog.sh b/package/config/lxdialog/check-lxdialog.sh new file mode 100644 index 000000000..120d624e6 --- /dev/null +++ b/package/config/lxdialog/check-lxdialog.sh @@ -0,0 +1,84 @@ +#!/bin/sh +# Check ncurses compatibility + +# What library to link +ldflags() +{ + $cc -print-file-name=libncursesw.so | grep -q / + if [ $? -eq 0 ]; then + echo '-lncursesw' + exit + fi + $cc -print-file-name=libncurses.so | grep -q / + if [ $? -eq 0 ]; then + echo '-lncurses' + exit + fi + $cc -print-file-name=libcurses.so | grep -q / + if [ $? -eq 0 ]; then + echo '-lcurses' + exit + fi + exit 1 +} + +# Where is ncurses.h? +ccflags() +{ + if [ -f /usr/include/ncurses/ncurses.h ]; then + echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"' + elif [ -f /usr/include/ncurses/curses.h ]; then + echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"' + elif [ -f /usr/include/ncurses.h ]; then + echo '-DCURSES_LOC="<ncurses.h>"' + else + echo '-DCURSES_LOC="<curses.h>"' + fi +} + +# Temp file, try to clean up after us +tmp=.lxdialog.tmp +trap "rm -f $tmp" 0 1 2 3 15 + +# Check if we can link to ncurses +check() { + echo "main() {}" | $cc -xc - -o $tmp 2> /dev/null + if [ $? != 0 ]; then + echo " *** Unable to find the ncurses libraries." 1>&2 + echo " *** make menuconfig require the ncurses libraries" 1>&2 + echo " *** " 1>&2 + echo " *** Install ncurses (ncurses-devel) and try again" 1>&2 + echo " *** " 1>&2 + exit 1 + fi +} + +usage() { + printf "Usage: $0 [-check compiler options|-header|-library]\n" +} + +if [ $# == 0 ]; then + usage + exit 1 +fi + +cc="" +case "$1" in + "-check") + shift + cc="$@" + check + ;; + "-ccflags") + ccflags + ;; + "-ldflags") + shift + cc="$@" + ldflags + ;; + "*") + usage + exit 1 + ;; +esac diff --git a/package/config/lxdialog/checklist.c b/package/config/lxdialog/checklist.c index 71de4a191..cf697080d 100644 --- a/package/config/lxdialog/checklist.c +++ b/package/config/lxdialog/checklist.c @@ -23,350 +23,303 @@ #include "dialog.h" -static int list_width, check_x, item_x, checkflag; +static int list_width, check_x, item_x; /* * Print list item */ -static void -print_item (WINDOW * win, const char *item, int status, - int choice, int selected) +static void print_item(WINDOW * win, 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); - } + int i; + + /* Clear 'residue' of last item */ + wattrset(win, dlg.menubox.atr); + wmove(win, choice, 0); + for (i = 0; i < list_width; i++) + waddch(win, ' '); + + wmove(win, choice, check_x); + wattrset(win, selected ? dlg.check_selected.atr + : dlg.check.atr); + wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' '); + + wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr); + mvwaddch(win, choice, item_x, item_str()[0]); + wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr); + waddstr(win, (char *)item_str() + 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) +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); - } + 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); + + if ((height < item_no) && (scroll + choice < item_no - 1)) { + 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); + } } /* * Display the termination buttons */ -static void -print_buttons( WINDOW *dialog, int height, int width, int selected) +static void print_buttons(WINDOW * dialog, int height, int width, int selected) { - int x = width / 2 - 11; - int y = height - 2; + 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); + 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); + 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. + * in the style of radiolist (only one option turned on at a time). */ -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 dialog_checklist(const char *title, const char *prompt, int height, + int width, int list_height) { - 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); - } + int i, x, y, box_x, box_y; + int key = 0, button = 0, choice = 0, scroll = 0, max_choice; + WINDOW *dialog, *list; + + /* which item to highlight */ + item_foreach() { + if (item_is_tag('X')) + choice = item_n(); + if (item_is_selected()) { + choice = item_n(); + break; } - 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 (); - } - +do_resize: + if (getmaxy(stdscr) < (height + 6)) + return -ERRDISPLAYTOOSMALL; + if (getmaxx(stdscr) < (width + 6)) + return -ERRDISPLAYTOOSMALL; + + max_choice = MIN(list_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); + waddch(dialog, ACS_RTEE); + + print_title(dialog, title, width); + + wattrset(dialog, dlg.dialog.atr); + 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, + dlg.menubox_border.atr, dlg.menubox.atr); - delwin (dialog); - free (status); - return -1; /* ESC pressed */ + /* Find length of longest item in order to center checklist */ + check_x = 0; + item_foreach() + check_x = MAX(check_x, strlen(item_str()) + 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++) { + item_set(scroll + i); + print_item(list, i, i == choice); + } + + print_arrows(dialog, choice, item_count(), scroll, + box_y, box_x + check_x + 5, list_height); + + print_buttons(dialog, height, width, 0); + + wnoutrefresh(dialog); + wnoutrefresh(list); + doupdate(); + + while (key != KEY_ESC) { + key = wgetch(dialog); + + for (i = 0; i < max_choice; i++) { + item_set(i + scroll); + if (toupper(key) == toupper(item_str()[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 */ + item_set(scroll); + print_item(list, 0, FALSE); + scrollok(list, TRUE); + wscrl(list, -1); + scrollok(list, FALSE); + } + scroll--; + item_set(scroll); + print_item(list, 0, TRUE); + print_arrows(dialog, choice, item_count(), + scroll, box_y, box_x + check_x + 5, list_height); + + wnoutrefresh(dialog); + wrefresh(list); + + 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_count() - 1) + continue; + /* Scroll list up */ + if (list_height > 1) { + /* De-highlight current last item before scrolling up */ + item_set(scroll + max_choice - 1); + print_item(list, + max_choice - 1, + FALSE); + scrollok(list, TRUE); + wscrl(list, 1); + scrollok(list, FALSE); + } + scroll++; + item_set(scroll + max_choice - 1); + print_item(list, max_choice - 1, TRUE); + + print_arrows(dialog, choice, item_count(), + scroll, box_y, box_x + check_x + 5, list_height); + + wnoutrefresh(dialog); + wrefresh(list); + + continue; /* wait for another key press */ + } else + i = choice + 1; + } + if (i != choice) { + /* De-highlight current item */ + item_set(scroll + choice); + print_item(list, choice, FALSE); + /* Highlight new item */ + choice = i; + item_set(scroll + choice); + print_item(list, choice, TRUE); + wnoutrefresh(dialog); + wrefresh(list); + } + continue; /* wait for another key press */ + } + switch (key) { + case 'H': + case 'h': + case '?': + button = 1; + /* fall-through */ + case 'S': + case 's': + case ' ': + case '\n': + item_foreach() + item_set_selected(0); + item_set(scroll + choice); + item_set_selected(1); + delwin(list); + delwin(dialog); + return button; + 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 'X': + case 'x': + key = KEY_ESC; + break; + case KEY_ESC: + key = on_key_esc(dialog); + break; + case KEY_RESIZE: + delwin(list); + delwin(dialog); + on_key_resize(); + goto do_resize; + } + + /* Now, update everything... */ + doupdate(); + } + delwin(list); + delwin(dialog); + return key; /* ESC pressed */ } diff --git a/package/config/lxdialog/dialog.h b/package/config/lxdialog/dialog.h index 7bab3ad0e..fd695e107 100644 --- a/package/config/lxdialog/dialog.h +++ b/package/config/lxdialog/dialog.h @@ -1,4 +1,3 @@ - /* * dialog.h -- common declarations for all dialog modules * @@ -25,8 +24,8 @@ #include <ctype.h> #include <stdlib.h> #include <string.h> +#include <stdbool.h> -#ifdef CURSES_LOC #ifdef __sun__ #define CURS_MACROS #endif @@ -43,21 +42,20 @@ #if defined(NCURSES_VERSION) && defined(_NEED_WRAP) && !defined(GCC_PRINTFLIKE) #define OLD_NCURSES 1 #undef wbkgdset -#define wbkgdset(w,p) /*nothing*/ +#define wbkgdset(w,p) /*nothing */ #else #define OLD_NCURSES 0 #endif #define TR(params) _tracef params -#define ESC 27 +#define KEY_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 @@ -89,93 +87,130 @@ #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 +/* error return codes */ +#define ERRDISPLAYTOOSMALL (KEY_MAX + 1) /* - * Global variables + * Color definitions */ -extern bool use_colors; - -extern chtype attributes[]; -#endif - -extern const char *backtitle; +struct dialog_color { + chtype atr; /* Color attribute */ + int fg; /* foreground */ + int bg; /* background */ + int hl; /* highlight this item */ +}; -struct dialog_list_item { - char *name; - int namelen; - char *tag; - int selected; /* Set to 1 by dialog_*() function. */ +struct dialog_info { + const char *backtitle; + struct dialog_color screen; + struct dialog_color shadow; + struct dialog_color dialog; + struct dialog_color title; + struct dialog_color border; + struct dialog_color button_active; + struct dialog_color button_inactive; + struct dialog_color button_key_active; + struct dialog_color button_key_inactive; + struct dialog_color button_label_active; + struct dialog_color button_label_inactive; + struct dialog_color inputbox; + struct dialog_color inputbox_border; + struct dialog_color searchbox; + struct dialog_color searchbox_title; + struct dialog_color searchbox_border; + struct dialog_color position_indicator; + struct dialog_color menubox; + struct dialog_color menubox_border; + struct dialog_color item; + struct dialog_color item_selected; + struct dialog_color tag; + struct dialog_color tag_selected; + struct dialog_color tag_key; + struct dialog_color tag_key_selected; + struct dialog_color check; + struct dialog_color check_selected; + struct dialog_color uarrow; + struct dialog_color darrow; }; /* + * Global variables + */ +extern struct dialog_info dlg; +extern char dialog_input_result[]; + +/* * 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 +/* item list as used by checklist and menubox */ +void item_reset(void); +void item_make(const char *fmt, ...); +void item_add_str(const char *fmt, ...); +void item_set_tag(char tag); +void item_set_data(void *p); +void item_set_selected(int val); +int item_activate_selected(void); +void *item_data(void); +char item_tag(void); + +/* item list manipulation for lxdialog use */ +#define MAXITEMSTR 200 +struct dialog_item { + char str[MAXITEMSTR]; /* promtp displayed */ + char tag; + void *data; /* pointer to menu item - used by menubox+checklist */ + int selected; /* Set to 1 by dialog_*() function if selected. */ +}; + +/* list of lialog_items */ +struct dialog_list { + struct dialog_item node; + struct dialog_list *next; +}; -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); +extern struct dialog_list *item_cur; +extern struct dialog_list item_nil; +extern struct dialog_list *item_head; + +int item_count(void); +void item_set(int n); +int item_n(void); +const char *item_str(void); +int item_is_selected(void); +int item_is_tag(char tag); +#define item_foreach() \ + for (item_cur = item_head ? item_head: item_cur; \ + item_cur && (item_cur != &item_nil); item_cur = item_cur->next) + +/* generic key handlers */ +int on_key_esc(WINDOW *win); +int on_key_resize(void); + +void init_dialog(const char *backtitle); +void reset_dialog(void); +void end_dialog(void); +void attr_clear(WINDOW * win, int height, int width, chtype attr); +void dialog_clear(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 print_title(WINDOW *dialog, const char *title, int width); +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); + +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, + const void *selected, int *s_scroll); +int dialog_checklist(const char *title, const char *prompt, int height, + int width, int list_height); +extern char dialog_input_result[]; +int dialog_inputbox(const char *title, const char *prompt, int height, + int width, const char *init); /* * This is the base for fictitious keys, which activate @@ -186,14 +221,4 @@ struct dialog_list_item *first_sel_item(int item_no, * -- 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/package/config/lxdialog/inputbox.c b/package/config/lxdialog/inputbox.c index fa7bebc69..05e72066b 100644 --- a/package/config/lxdialog/inputbox.c +++ b/package/config/lxdialog/inputbox.c @@ -21,220 +21,218 @@ #include "dialog.h" -unsigned char dialog_input_result[MAX_LEN + 1]; +char dialog_input_result[MAX_LEN + 1]; /* * Print the termination buttons */ -static void -print_buttons(WINDOW *dialog, int height, int width, int selected) +static void print_buttons(WINDOW * dialog, int height, int width, int selected) { - int x = width / 2 - 11; - int y = height - 2; + 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); + 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); + 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 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); + int i, x, y, box_y, box_x, box_width; + int input_x = 0, scroll = 0, key = 0, button = -1; + char *instr = dialog_input_result; + WINDOW *dialog; + + if (!init) + instr[0] = '\0'; + else + strcpy(instr, init); + +do_resize: + if (getmaxy(stdscr) <= (height - 2)) + return -ERRDISPLAYTOOSMALL; + if (getmaxx(stdscr) <= (width - 2)) + return -ERRDISPLAYTOOSMALL; + + /* 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); + waddch(dialog, ACS_RTEE); + + print_title(dialog, title, width); + + wattrset(dialog, dlg.dialog.atr); + 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, + dlg.border.atr, dlg.dialog.atr); + + print_buttons(dialog, height, width, 0); + + /* Set up the initial value */ + wmove(dialog, box_y, box_x); + wattrset(dialog, dlg.inputbox.atr); + + 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 != 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, dlg.inputbox.atr); + 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, dlg.inputbox.atr); + 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; + } + } } - 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); + 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; } - wrefresh (dialog); - } else - flash (); /* Alarm user about overflow */ - continue; + 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 = KEY_ESC; + break; + case KEY_ESC: + key = on_key_esc(dialog); + break; + case KEY_RESIZE: + delwin(dialog); + on_key_resize(); + goto do_resize; } - } - } - 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 */ + delwin(dialog); + return KEY_ESC; /* ESC pressed */ } 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 */ } diff --git a/package/config/lxdialog/textbox.c b/package/config/lxdialog/textbox.c index a5a460b5c..fabfc1ad7 100644 --- a/package/config/lxdialog/textbox.c +++ b/package/config/lxdialog/textbox.c @@ -21,463 +21,324 @@ #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 void back_lines(int n); +static void print_page(WINDOW * win, int height, int width); +static void print_line(WINDOW * win, int row, int width); +static char *get_line(void); +static void print_position(WINDOW * win); + +static int hscroll; +static int begin_reached, end_reached, page_length; +static const char *buf; +static const char *page; + +/* + * refresh window content + */ +static void refresh_text_box(WINDOW *dialog, WINDOW *box, int boxh, int boxw, + int cur_y, int cur_x) +{ + print_page(box, boxh, boxw); + print_position(dialog); + wmove(dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh(dialog); +} -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 dialog_textbox(const char *title, const char *tbuf, + int initial_height, int initial_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; + int i, x, y, cur_x, cur_y, key = 0; + int height, width, boxh, boxw; + int passed_end; + WINDOW *dialog, *box; + + begin_reached = 1; + end_reached = 0; + page_length = 0; + hscroll = 0; + buf = tbuf; + page = buf; /* page is pointer to start of page to be displayed */ + +do_resize: + getmaxyx(stdscr, height, width); + if (height < 8 || width < 8) + return -ERRDISPLAYTOOSMALL; + if (initial_height != 0) + height = initial_height; + else + if (height > 4) + height -= 4; + else + height = 0; + if (initial_width != 0) + width = initial_width; + else + if (width > 5) + width -= 5; + else + width = 0; + + /* center dialog box on screen */ + x = (COLS - width) / 2; + y = (LINES - height) / 2; + + draw_shadow(stdscr, y, x, height, width); + + dialog = newwin(height, width, y, x); + keypad(dialog, TRUE); + + /* Create window for box region, used for scrolling text */ + boxh = height - 4; + boxw = width - 2; + box = subwin(dialog, boxh, boxw, y + 1, x + 1); + wattrset(box, dlg.dialog.atr); + wbkgdset(box, dlg.dialog.atr & A_COLOR); + + keypad(box, TRUE); + + /* register the new window, along with its borders */ + draw_box(dialog, 0, 0, height, width, + dlg.dialog.atr, dlg.border.atr); + + wattrset(dialog, dlg.border.atr); + mvwaddch(dialog, height - 3, 0, ACS_LTEE); + for (i = 0; i < width - 2; i++) + waddch(dialog, ACS_HLINE); + wattrset(dialog, dlg.dialog.atr); + wbkgdset(dialog, dlg.dialog.atr & A_COLOR); + waddch(dialog, ACS_RTEE); + + print_title(dialog, title, width); + + print_button(dialog, " Exit ", height - 2, width / 2 - 4, TRUE); + wnoutrefresh(dialog); + getyx(dialog, cur_y, cur_x); /* Save cursor position */ + + /* Print first page of text */ + attr_clear(box, boxh, boxw, dlg.dialog.atr); + refresh_text_box(dialog, box, boxh, boxw, cur_y, cur_x); + + while ((key != KEY_ESC) && (key != '\n')) { + key = wgetch(dialog); + switch (key) { + case 'E': /* Exit */ + case 'e': + case 'X': + case 'x': + delwin(box); + delwin(dialog); + return 0; + case 'g': /* First page */ + case KEY_HOME: + if (!begin_reached) { + begin_reached = 1; + page = buf; + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + } + break; + case 'G': /* Last page */ + case KEY_END: + + end_reached = 1; + /* point to last char in buf */ + page = buf + strlen(buf); + back_lines(boxh); + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + break; + case 'K': /* Previous line */ + case 'k': + case KEY_UP: + if (!begin_reached) { + back_lines(page_length + 1); + + /* We don't call print_page() here but use + * scrolling to ensure faster screen update. + * However, 'end_reached' and 'page_length' + * should still be updated, and 'page' should + * point to start of next page. This is done + * by calling get_line() in the following + * 'for' loop. */ + scrollok(box, TRUE); + wscrl(box, -1); /* Scroll box region down one line */ + scrollok(box, FALSE); + page_length = 0; + passed_end = 0; + for (i = 0; i < boxh; i++) { + if (!i) { + /* print first line of page */ + print_line(box, 0, boxw); + wnoutrefresh(box); + } else + /* Called to update 'end_reached' and 'page' */ + get_line(); + if (!passed_end) + page_length++; + if (end_reached && !passed_end) + passed_end = 1; + } + + print_position(dialog); + wmove(dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh(dialog); + } + break; + case 'B': /* Previous page */ + case 'b': + case KEY_PPAGE: + if (begin_reached) + break; + back_lines(page_length + boxh); + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + break; + case 'J': /* Next line */ + case 'j': + case KEY_DOWN: + if (!end_reached) { + begin_reached = 0; + scrollok(box, TRUE); + scroll(box); /* Scroll box region up one line */ + scrollok(box, FALSE); + print_line(box, boxh - 1, boxw); + wnoutrefresh(box); + print_position(dialog); + wmove(dialog, cur_y, cur_x); /* Restore cursor position */ + wrefresh(dialog); + } + break; + case KEY_NPAGE: /* Next page */ + case ' ': + if (end_reached) + break; + + begin_reached = 0; + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + break; + case '0': /* Beginning of line */ + case 'H': /* Scroll left */ + case 'h': + case KEY_LEFT: + if (hscroll <= 0) + break; + + if (key == '0') + hscroll = 0; + else + hscroll--; + /* Reprint current page to scroll horizontally */ + back_lines(page_length); + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + break; + case 'L': /* Scroll right */ + case 'l': + case KEY_RIGHT: + if (hscroll >= MAX_LEN) + break; + hscroll++; + /* Reprint current page to scroll horizontally */ + back_lines(page_length); + refresh_text_box(dialog, box, boxh, boxw, + cur_y, cur_x); + break; + case KEY_ESC: + key = on_key_esc(dialog); + break; + case KEY_RESIZE: + back_lines(height); + delwin(box); + delwin(dialog); + on_key_resize(); + goto do_resize; } - - 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 */ + delwin(box); + delwin(dialog); + return key; /* ESC pressed */ } /* - * Go back 'n' lines in text file. Called by dialog_textbox(). + * Go back 'n' lines in text. Called by dialog_textbox(). * 'page' will be updated to point to the desired line in 'buf'. */ -static void -back_lines (int n) +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); + int i; + + begin_reached = 0; + /* Go back 'n' lines */ + for (i = 0; i < n; i++) { + if (*page == '\0') { + if (end_reached) { + end_reached = 0; + continue; + } } - 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 (page == buf) { + begin_reached = 1; + return; } - 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--; + do { + if (page == buf) { + begin_reached = 1; + return; } - 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++; + page--; + } while (*page != '\n'); + page++; + } } /* * Print a new page of text. Called by dialog_textbox(). */ -static void -print_page (WINDOW * win, int height, int width) +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); + 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) +static void print_line(WINDOW * win, int row, int width) { - int y, x; - char *line; + 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)); + 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 */ + getyx(win, y, x); + /* Clear 'residue' of previous line */ #if OLD_NCURSES - { - int i; - for (i = 0; i < width - x; i++) - waddch (win, ' '); - } + { + int i; + for (i = 0; i < width - x; i++) + waddch(win, ' '); + } #else - wclrtoeol(win); + wclrtoeol(win); #endif } @@ -486,71 +347,45 @@ print_line (WINDOW * win, int row, int width) * '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) +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); + int i = 0; + static char line[MAX_LEN + 1]; + + end_reached = 0; + while (*page != '\n') { + if (*page == '\0') { + if (!end_reached) { + end_reached = 1; + break; + } + } else if (i < MAX_LEN) + line[i++] = *(page++); + else { + /* Truncate lines longer than MAX_LEN characters */ + if (i == MAX_LEN) + line[i++] = '\0'; + page++; } - 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' */ + if (i <= MAX_LEN) + line[i] = '\0'; + if (!end_reached) + page++; /* move pass '\n' */ - return line; + return line; } /* * Print current position */ -static void -print_position (WINDOW * win, int height, int width) +static void print_position(WINDOW * win) { - 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); + int percent; + + wattrset(win, dlg.position_indicator.atr); + wbkgdset(win, dlg.position_indicator.atr & A_COLOR); + percent = (page - buf) * 100 / strlen(buf); + wmove(win, getmaxy(win) - 3, getmaxx(win) - 9); + wprintw(win, "(%3d%%)", percent); } diff --git a/package/config/lxdialog/util.c b/package/config/lxdialog/util.c index 6f83951b9..d54440fc1 100644 --- a/package/config/lxdialog/util.c +++ b/package/config/lxdialog/util.c @@ -21,172 +21,287 @@ #include "dialog.h" +struct dialog_info dlg; -/* use colors by default? */ -bool use_colors = 1; +static void set_mono_theme(void) +{ + dlg.screen.atr = A_NORMAL; + dlg.shadow.atr = A_NORMAL; + dlg.dialog.atr = A_NORMAL; + dlg.title.atr = A_BOLD; + dlg.border.atr = A_NORMAL; + dlg.button_active.atr = A_REVERSE; + dlg.button_inactive.atr = A_DIM; + dlg.button_key_active.atr = A_REVERSE; + dlg.button_key_inactive.atr = A_BOLD; + dlg.button_label_active.atr = A_REVERSE; + dlg.button_label_inactive.atr = A_NORMAL; + dlg.inputbox.atr = A_NORMAL; + dlg.inputbox_border.atr = A_NORMAL; + dlg.searchbox.atr = A_NORMAL; + dlg.searchbox_title.atr = A_BOLD; + dlg.searchbox_border.atr = A_NORMAL; + dlg.position_indicator.atr = A_BOLD; + dlg.menubox.atr = A_NORMAL; + dlg.menubox_border.atr = A_NORMAL; + dlg.item.atr = A_NORMAL; + dlg.item_selected.atr = A_REVERSE; + dlg.tag.atr = A_BOLD; + dlg.tag_selected.atr = A_REVERSE; + dlg.tag_key.atr = A_BOLD; + dlg.tag_key_selected.atr = A_REVERSE; + dlg.check.atr = A_BOLD; + dlg.check_selected.atr = A_REVERSE; + dlg.uarrow.atr = A_BOLD; + dlg.darrow.atr = A_BOLD; +} -const char *backtitle = NULL; +#define DLG_COLOR(dialog, f, b, h) \ +do { \ + dlg.dialog.fg = (f); \ + dlg.dialog.bg = (b); \ + dlg.dialog.hl = (h); \ +} while (0) -const char *dialog_result; +static void set_classic_theme(void) +{ + DLG_COLOR(screen, COLOR_CYAN, COLOR_BLUE, true); + DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, true); + DLG_COLOR(dialog, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(title, COLOR_YELLOW, COLOR_WHITE, true); + DLG_COLOR(border, COLOR_WHITE, COLOR_WHITE, true); + DLG_COLOR(button_active, COLOR_WHITE, COLOR_BLUE, true); + DLG_COLOR(button_inactive, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(button_key_active, COLOR_WHITE, COLOR_BLUE, true); + DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_WHITE, false); + DLG_COLOR(button_label_active, COLOR_YELLOW, COLOR_BLUE, true); + DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_WHITE, true); + DLG_COLOR(inputbox, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(inputbox_border, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(searchbox, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_WHITE, true); + DLG_COLOR(searchbox_border, COLOR_WHITE, COLOR_WHITE, true); + DLG_COLOR(position_indicator, COLOR_YELLOW, COLOR_WHITE, true); + DLG_COLOR(menubox, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(menubox_border, COLOR_WHITE, COLOR_WHITE, true); + DLG_COLOR(item, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(item_selected, COLOR_WHITE, COLOR_BLUE, true); + DLG_COLOR(tag, COLOR_YELLOW, COLOR_WHITE, true); + DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_BLUE, true); + DLG_COLOR(tag_key, COLOR_YELLOW, COLOR_WHITE, true); + DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_BLUE, true); + DLG_COLOR(check, COLOR_BLACK, COLOR_WHITE, false); + DLG_COLOR(check_selected, COLOR_WHITE, COLOR_BLUE, true); + DLG_COLOR(uarrow, COLOR_GREEN, COLOR_WHITE, true); + DLG_COLOR(darrow, COLOR_GREEN, COLOR_WHITE, true); +} -/* - * 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" +static void set_blackbg_theme(void) +{ + DLG_COLOR(screen, COLOR_RED, COLOR_BLACK, true); + DLG_COLOR(shadow, COLOR_BLACK, COLOR_BLACK, false); + DLG_COLOR(dialog, COLOR_WHITE, COLOR_BLACK, false); + DLG_COLOR(title, COLOR_RED, COLOR_BLACK, false); + DLG_COLOR(border, COLOR_BLACK, COLOR_BLACK, true); -/* - * 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 */ + DLG_COLOR(button_active, COLOR_YELLOW, COLOR_RED, false); + DLG_COLOR(button_inactive, COLOR_YELLOW, COLOR_BLACK, false); + DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_RED, true); + DLG_COLOR(button_key_inactive, COLOR_RED, COLOR_BLACK, false); + DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_RED, false); + DLG_COLOR(button_label_inactive, COLOR_BLACK, COLOR_BLACK, true); -/* - * Set window to attribute 'attr' - */ -void -attr_clear (WINDOW * win, int height, int width, chtype attr) -{ - int i, j; + DLG_COLOR(inputbox, COLOR_YELLOW, COLOR_BLACK, false); + DLG_COLOR(inputbox_border, COLOR_YELLOW, COLOR_BLACK, false); + + DLG_COLOR(searchbox, COLOR_YELLOW, COLOR_BLACK, false); + DLG_COLOR(searchbox_title, COLOR_YELLOW, COLOR_BLACK, true); + DLG_COLOR(searchbox_border, COLOR_BLACK, COLOR_BLACK, true); + + DLG_COLOR(position_indicator, COLOR_RED, COLOR_BLACK, false); - wattrset (win, attr); - for (i = 0; i < height; i++) { - wmove (win, i, 0); - for (j = 0; j < width; j++) - waddch (win, ' '); - } - touchwin (win); + DLG_COLOR(menubox, COLOR_YELLOW, COLOR_BLACK, false); + DLG_COLOR(menubox_border, COLOR_BLACK, COLOR_BLACK, true); + + DLG_COLOR(item, COLOR_WHITE, COLOR_BLACK, false); + DLG_COLOR(item_selected, COLOR_WHITE, COLOR_RED, false); + + DLG_COLOR(tag, COLOR_RED, COLOR_BLACK, false); + DLG_COLOR(tag_selected, COLOR_YELLOW, COLOR_RED, true); + DLG_COLOR(tag_key, COLOR_RED, COLOR_BLACK, false); + DLG_COLOR(tag_key_selected, COLOR_YELLOW, COLOR_RED, true); + + DLG_COLOR(check, COLOR_YELLOW, COLOR_BLACK, false); + DLG_COLOR(check_selected, COLOR_YELLOW, COLOR_RED, true); + + DLG_COLOR(uarrow, COLOR_RED, COLOR_BLACK, false); + DLG_COLOR(darrow, COLOR_RED, COLOR_BLACK, false); } -void dialog_clear (void) +static void set_bluetitle_theme(void) { - attr_clear (stdscr, LINES, COLS, screen_attr); - /* Display background title if it exists ... - SLH */ - if (backtitle != NULL) { - int i; + set_classic_theme(); + DLG_COLOR(title, COLOR_BLUE, COLOR_WHITE, true); + DLG_COLOR(button_key_active, COLOR_YELLOW, COLOR_BLUE, true); + DLG_COLOR(button_label_active, COLOR_WHITE, COLOR_BLUE, true); + DLG_COLOR(searchbox_title, COLOR_BLUE, COLOR_WHITE, true); + DLG_COLOR(position_indicator, COLOR_BLUE, COLOR_WHITE, true); + DLG_COLOR(tag, COLOR_BLUE, COLOR_WHITE, true); + DLG_COLOR(tag_key, COLOR_BLUE, COLOR_WHITE, true); - 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 + * Select color theme */ -void -init_dialog (void) +static int set_theme(const char *theme) { - initscr (); /* Init curses */ - keypad (stdscr, TRUE); - cbreak (); - noecho (); - - - if (use_colors) /* Set up colors */ - color_setup (); + int use_color = 1; + if (!theme) + set_bluetitle_theme(); + else if (strcmp(theme, "classic") == 0) + set_classic_theme(); + else if (strcmp(theme, "bluetitle") == 0) + set_bluetitle_theme(); + else if (strcmp(theme, "blackbg") == 0) + set_blackbg_theme(); + else if (strcmp(theme, "mono") == 0) + use_color = 0; + + return use_color; +} +static void init_one_color(struct dialog_color *color) +{ + static int pair = 0; + + pair++; + init_pair(pair, color->fg, color->bg); + if (color->hl) + color->atr = A_BOLD | COLOR_PAIR(pair); + else + color->atr = COLOR_PAIR(pair); +} - dialog_clear (); +static void init_dialog_colors(void) +{ + init_one_color(&dlg.screen); + init_one_color(&dlg.shadow); + init_one_color(&dlg.dialog); + init_one_color(&dlg.title); + init_one_color(&dlg.border); + init_one_color(&dlg.button_active); + init_one_color(&dlg.button_inactive); + init_one_color(&dlg.button_key_active); + init_one_color(&dlg.button_key_inactive); + init_one_color(&dlg.button_label_active); + init_one_color(&dlg.button_label_inactive); + init_one_color(&dlg.inputbox); + init_one_color(&dlg.inputbox_border); + init_one_color(&dlg.searchbox); + init_one_color(&dlg.searchbox_title); + init_one_color(&dlg.searchbox_border); + init_one_color(&dlg.position_indicator); + init_one_color(&dlg.menubox); + init_one_color(&dlg.menubox_border); + init_one_color(&dlg.item); + init_one_color(&dlg.item_selected); + init_one_color(&dlg.tag); + init_one_color(&dlg.tag_selected); + init_one_color(&dlg.tag_key); + init_one_color(&dlg.tag_key_selected); + init_one_color(&dlg.check); + init_one_color(&dlg.check_selected); + init_one_color(&dlg.uarrow); + init_one_color(&dlg.darrow); } /* * Setup for color display */ -void -color_setup (void) +static void color_setup(const char *theme) +{ + int use_color; + + use_color = set_theme(theme); + if (use_color && has_colors()) { + start_color(); + init_dialog_colors(); + } else + set_mono_theme(); +} + +/* + * Set window to attribute 'attr' + */ +void attr_clear(WINDOW * win, int height, int width, chtype attr) { - int i; + int i, j; - if (has_colors ()) { /* Terminal supports color? */ - start_color (); + wattrset(win, attr); + for (i = 0; i < height; i++) { + wmove(win, i, 0); + for (j = 0; j < width; j++) + waddch(win, ' '); + } + touchwin(win); +} - /* Initialize color pairs */ - for (i = 0; i < ATTRIBUTE_COUNT; i++) - init_pair (i + 1, color_table[i][0], color_table[i][1]); +void dialog_clear(void) +{ + attr_clear(stdscr, LINES, COLS, dlg.screen.atr); + /* Display background title if it exists ... - SLH */ + if (dlg.backtitle != NULL) { + int i; + + wattrset(stdscr, dlg.screen.atr); + mvwaddstr(stdscr, 0, 1, (char *)dlg.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(const char *backtitle) +{ + dlg.backtitle = backtitle; + color_setup(getenv("MENUCONFIG_COLOR")); +} - /* Setup color attributes */ - for (i = 0; i < ATTRIBUTE_COUNT; i++) - attributes[i] = C_ATTR (color_table[i][2], i + 1); - } +void reset_dialog(void) +{ + initscr(); /* Init curses */ + keypad(stdscr, TRUE); + cbreak(); + noecho(); + dialog_clear(); } /* * End using dialog functions. */ -void -end_dialog (void) +void end_dialog(void) { - endwin (); + endwin(); } +/* Print the title of the dialog. Center the title and truncate + * tile if wider than dialog (- 2 chars). + **/ +void print_title(WINDOW *dialog, const char *title, int width) +{ + if (title) { + int tlen = MIN(width - 2, strlen(title)); + wattrset(dialog, dlg.title.atr); + mvwaddch(dialog, 0, (width - tlen) / 2 - 1, ' '); + mvwaddnstr(dialog, 0, (width - tlen)/2, title, tlen); + waddch(dialog, ' '); + } +} /* * Print a string of text in a window, automatically wrap around to the @@ -194,164 +309,166 @@ end_dialog (void) * 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++; +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; - } - 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 == ' '); + cur_y = y; newl = 1; - } else - newl = 0; - word = sp; + 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); +void print_button(WINDOW * win, const char *label, int y, int x, int selected) +{ + int i, temp; + + wmove(win, y, x); + wattrset(win, selected ? dlg.button_active.atr + : dlg.button_inactive.atr); + waddstr(win, "<"); + temp = strspn(label, " "); + label += temp; + wattrset(win, selected ? dlg.button_label_active.atr + : dlg.button_label_inactive.atr); + for (i = 0; i < temp; i++) + waddch(win, ' '); + wattrset(win, selected ? dlg.button_key_active.atr + : dlg.button_key_inactive.atr); + waddch(win, label[0]); + wattrset(win, selected ? dlg.button_label_active.atr + : dlg.button_label_inactive.atr); + waddstr(win, (char *)label + 1); + wattrset(win, selected ? dlg.button_active.atr + : dlg.button_inactive.atr); + 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_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); +void draw_shadow(WINDOW * win, int y, int x, int height, int width) +{ + int i; + + if (has_colors()) { /* Whether terminal supports color? */ + wattrset(win, dlg.shadow.atr); + 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); } - wnoutrefresh (win); - } } /* * Return the position of the first alphabetic character in a string. */ -int -first_alpha(const char *string, const char *exempt) +int first_alpha(const char *string, const char *exempt) { - int i, in_paren=0, c; + 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 (strchr("<[(", c)) + ++in_paren; + if (strchr(">])", c) && in_paren > 0) + --in_paren; - if ((! in_paren) && isalpha(c) && - strchr(exempt, c) == 0) + if ((!in_paren) && isalpha(c) && strchr(exempt, c) == 0) return i; } @@ -359,17 +476,165 @@ first_alpha(const char *string, const char *exempt) } /* - * Get the first selected item in the dialog_list_item list. + * ncurses uses ESC to detect escaped char sequences. This resutl in + * a small timeout before ESC is actually delivered to the application. + * lxdialog suggest <ESC> <ESC> which is correctly translated to two + * times esc. But then we need to ignore the second esc to avoid stepping + * out one menu too much. Filter away all escaped key sequences since + * keypad(FALSE) turn off ncurses support for escape sequences - and thats + * needed to make notimeout() do as expected. */ -struct dialog_list_item * -first_sel_item(int item_no, struct dialog_list_item ** items) +int on_key_esc(WINDOW *win) { - int i; + int key; + int key2; + int key3; + + nodelay(win, TRUE); + keypad(win, FALSE); + key = wgetch(win); + key2 = wgetch(win); + do { + key3 = wgetch(win); + } while (key3 != ERR); + nodelay(win, FALSE); + keypad(win, TRUE); + if (key == KEY_ESC && key2 == ERR) + return KEY_ESC; + else if (key != ERR && key != KEY_ESC && key2 == ERR) + ungetch(key); + + return -1; +} + +/* redraw screen in new size */ +int on_key_resize(void) +{ + dialog_clear(); + return KEY_RESIZE; +} + +struct dialog_list *item_cur; +struct dialog_list item_nil; +struct dialog_list *item_head; + +void item_reset(void) +{ + struct dialog_list *p, *next; + + for (p = item_head; p; p = next) { + next = p->next; + free(p); + } + item_head = NULL; + item_cur = &item_nil; +} + +void item_make(const char *fmt, ...) +{ + va_list ap; + struct dialog_list *p = malloc(sizeof(*p)); + + if (item_head) + item_cur->next = p; + else + item_head = p; + item_cur = p; + memset(p, 0, sizeof(*p)); + + va_start(ap, fmt); + vsnprintf(item_cur->node.str, sizeof(item_cur->node.str), fmt, ap); + va_end(ap); +} + +void item_add_str(const char *fmt, ...) +{ + va_list ap; + size_t avail; + + avail = sizeof(item_cur->node.str) - strlen(item_cur->node.str); + + va_start(ap, fmt); + vsnprintf(item_cur->node.str + strlen(item_cur->node.str), + avail, fmt, ap); + item_cur->node.str[sizeof(item_cur->node.str) - 1] = '\0'; + va_end(ap); +} + +void item_set_tag(char tag) +{ + item_cur->node.tag = tag; +} +void item_set_data(void *ptr) +{ + item_cur->node.data = ptr; +} + +void item_set_selected(int val) +{ + item_cur->node.selected = val; +} + +int item_activate_selected(void) +{ + item_foreach() + if (item_is_selected()) + return 1; + return 0; +} + +void *item_data(void) +{ + return item_cur->node.data; +} + +char item_tag(void) +{ + return item_cur->node.tag; +} + +int item_count(void) +{ + int n = 0; + struct dialog_list *p; + + for (p = item_head; p; p = p->next) + n++; + return n; +} + +void item_set(int n) +{ + int i = 0; + item_foreach() + if (i++ == n) + return; +} - for (i = 0; i < item_no; i++) { - if (items[i]->selected) - return items[i]; +int item_n(void) +{ + int n = 0; + struct dialog_list *p; + + for (p = item_head; p; p = p->next) { + if (p == item_cur) + return n; + n++; } + return 0; +} - return NULL; +const char *item_str(void) +{ + return item_cur->node.str; +} + +int item_is_selected(void) +{ + return (item_cur->node.selected != 0); +} + +int item_is_tag(char tag) +{ + return (item_cur->node.tag == tag); } diff --git a/package/config/lxdialog/yesno.c b/package/config/lxdialog/yesno.c index 11fcc25f5..ee0a04e3e 100644 --- a/package/config/lxdialog/yesno.c +++ b/package/config/lxdialog/yesno.c @@ -24,95 +24,91 @@ /* * Display termination buttons */ -static void -print_buttons(WINDOW *dialog, int height, int width, int selected) +static void print_buttons(WINDOW * dialog, int height, int width, int selected) { - int x = width / 2 - 10; - int y = height - 2; + 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); + 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); + 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 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; + int i, x, y, key = 0, button = 0; + WINDOW *dialog; + +do_resize: + if (getmaxy(stdscr) < (height + 4)) + return -ERRDISPLAYTOOSMALL; + if (getmaxx(stdscr) < (width + 4)) + return -ERRDISPLAYTOOSMALL; + + /* 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); + waddch(dialog, ACS_RTEE); + + print_title(dialog, title, width); + + wattrset(dialog, dlg.dialog.atr); + print_autowrap(dialog, prompt, width - 2, 1, 3); + + print_buttons(dialog, height, width, 0); + + while (key != 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 KEY_ESC: + key = on_key_esc(dialog); + break; + case KEY_RESIZE: + delwin(dialog); + on_key_resize(); + goto do_resize; + } } - } - delwin (dialog); - return -1; /* ESC pressed */ + delwin(dialog); + return key; /* ESC pressed */ } |