diff options
Diffstat (limited to 'extra/config/nconf.gui.c')
| -rw-r--r-- | extra/config/nconf.gui.c | 656 |
1 files changed, 656 insertions, 0 deletions
diff --git a/extra/config/nconf.gui.c b/extra/config/nconf.gui.c new file mode 100644 index 000000000..8275f0e55 --- /dev/null +++ b/extra/config/nconf.gui.c @@ -0,0 +1,656 @@ +/* + * Copyright (C) 2008 Nir Tzachar <nir.tzachar@gmail.com? + * Released under the terms of the GNU GPL v2.0. + * + * Derived from menuconfig. + * + */ +#include "nconf.h" + +/* a list of all the different widgets we use */ +attributes_t attributes[ATTR_MAX+1] = {0}; + +/* available colors: + COLOR_BLACK 0 + COLOR_RED 1 + COLOR_GREEN 2 + COLOR_YELLOW 3 + COLOR_BLUE 4 + COLOR_MAGENTA 5 + COLOR_CYAN 6 + COLOR_WHITE 7 + */ +static void set_normal_colors(void) +{ + init_pair(NORMAL, -1, -1); + init_pair(MAIN_HEADING, COLOR_MAGENTA, -1); + + /* FORE is for the selected item */ + init_pair(MAIN_MENU_FORE, -1, -1); + /* BACK for all the rest */ + init_pair(MAIN_MENU_BACK, -1, -1); + init_pair(MAIN_MENU_GREY, -1, -1); + init_pair(MAIN_MENU_HEADING, COLOR_GREEN, -1); + init_pair(MAIN_MENU_BOX, COLOR_YELLOW, -1); + + init_pair(SCROLLWIN_TEXT, -1, -1); + init_pair(SCROLLWIN_HEADING, COLOR_GREEN, -1); + init_pair(SCROLLWIN_BOX, COLOR_YELLOW, -1); + + init_pair(DIALOG_TEXT, -1, -1); + init_pair(DIALOG_BOX, COLOR_YELLOW, -1); + init_pair(DIALOG_MENU_BACK, COLOR_YELLOW, -1); + init_pair(DIALOG_MENU_FORE, COLOR_RED, -1); + + init_pair(INPUT_BOX, COLOR_YELLOW, -1); + init_pair(INPUT_HEADING, COLOR_GREEN, -1); + init_pair(INPUT_TEXT, -1, -1); + init_pair(INPUT_FIELD, -1, -1); + + init_pair(FUNCTION_HIGHLIGHT, -1, -1); + init_pair(FUNCTION_TEXT, COLOR_YELLOW, -1); +} + +/* available attributes: + A_NORMAL Normal display (no highlight) + A_STANDOUT Best highlighting mode of the terminal. + A_UNDERLINE Underlining + A_REVERSE Reverse video + A_BLINK Blinking + A_DIM Half bright + A_BOLD Extra bright or bold + A_PROTECT Protected mode + A_INVIS Invisible or blank mode + A_ALTCHARSET Alternate character set + A_CHARTEXT Bit-mask to extract a character + COLOR_PAIR(n) Color-pair number n + */ +static void normal_color_theme(void) +{ + /* automatically add color... */ +#define mkattr(name, attr) do { \ +attributes[name] = attr | COLOR_PAIR(name); } while (0) + mkattr(NORMAL, NORMAL); + mkattr(MAIN_HEADING, A_BOLD | A_UNDERLINE); + + mkattr(MAIN_MENU_FORE, A_REVERSE); + mkattr(MAIN_MENU_BACK, A_NORMAL); + mkattr(MAIN_MENU_GREY, A_NORMAL); + mkattr(MAIN_MENU_HEADING, A_BOLD); + mkattr(MAIN_MENU_BOX, A_NORMAL); + + mkattr(SCROLLWIN_TEXT, A_NORMAL); + mkattr(SCROLLWIN_HEADING, A_BOLD); + mkattr(SCROLLWIN_BOX, A_BOLD); + + mkattr(DIALOG_TEXT, A_BOLD); + mkattr(DIALOG_BOX, A_BOLD); + mkattr(DIALOG_MENU_FORE, A_STANDOUT); + mkattr(DIALOG_MENU_BACK, A_NORMAL); + + mkattr(INPUT_BOX, A_NORMAL); + mkattr(INPUT_HEADING, A_BOLD); + mkattr(INPUT_TEXT, A_NORMAL); + mkattr(INPUT_FIELD, A_UNDERLINE); + + mkattr(FUNCTION_HIGHLIGHT, A_BOLD); + mkattr(FUNCTION_TEXT, A_REVERSE); +} + +static void no_colors_theme(void) +{ + /* automatically add highlight, no color */ +#define mkattrn(name, attr) { attributes[name] = attr; } + + mkattrn(NORMAL, NORMAL); + mkattrn(MAIN_HEADING, A_BOLD | A_UNDERLINE); + + mkattrn(MAIN_MENU_FORE, A_STANDOUT); + mkattrn(MAIN_MENU_BACK, A_NORMAL); + mkattrn(MAIN_MENU_GREY, A_NORMAL); + mkattrn(MAIN_MENU_HEADING, A_BOLD); + mkattrn(MAIN_MENU_BOX, A_NORMAL); + + mkattrn(SCROLLWIN_TEXT, A_NORMAL); + mkattrn(SCROLLWIN_HEADING, A_BOLD); + mkattrn(SCROLLWIN_BOX, A_BOLD); + + mkattrn(DIALOG_TEXT, A_NORMAL); + mkattrn(DIALOG_BOX, A_BOLD); + mkattrn(DIALOG_MENU_FORE, A_STANDOUT); + mkattrn(DIALOG_MENU_BACK, A_NORMAL); + + mkattrn(INPUT_BOX, A_BOLD); + mkattrn(INPUT_HEADING, A_BOLD); + mkattrn(INPUT_TEXT, A_NORMAL); + mkattrn(INPUT_FIELD, A_UNDERLINE); + + mkattrn(FUNCTION_HIGHLIGHT, A_BOLD); + mkattrn(FUNCTION_TEXT, A_REVERSE); +} + +void set_colors() +{ + start_color(); + use_default_colors(); + set_normal_colors(); + if (has_colors()) { + normal_color_theme(); + } else { + /* give defaults */ + no_colors_theme(); + } +} + + +/* this changes the windows attributes !!! */ +void print_in_middle(WINDOW *win, + int starty, + int startx, + int width, + const char *string, + chtype color) +{ int length, x, y; + float temp; + + + if (win == NULL) + win = stdscr; + getyx(win, y, x); + if (startx != 0) + x = startx; + if (starty != 0) + y = starty; + if (width == 0) + width = 80; + + length = strlen(string); + temp = (width - length) / 2; + x = startx + (int)temp; + (void) wattrset(win, color); + mvwprintw(win, y, x, "%s", string); + refresh(); +} + +int get_line_no(const char *text) +{ + int i; + int total = 1; + + if (!text) + return 0; + + for (i = 0; text[i] != '\0'; i++) + if (text[i] == '\n') + total++; + return total; +} + +const char *get_line(const char *text, int line_no) +{ + int i; + int lines = 0; + + if (!text) + return 0; + + for (i = 0; text[i] != '\0' && lines < line_no; i++) + if (text[i] == '\n') + lines++; + return text+i; +} + +int get_line_length(const char *line) +{ + int res = 0; + while (*line != '\0' && *line != '\n') { + line++; + res++; + } + return res; +} + +/* print all lines to the window. */ +void fill_window(WINDOW *win, const char *text) +{ + int x, y; + int total_lines = get_line_no(text); + int i; + + getmaxyx(win, y, x); + /* do not go over end of line */ + total_lines = min(total_lines, y); + for (i = 0; i < total_lines; i++) { + char tmp[x+10]; + const char *line = get_line(text, i); + int len = get_line_length(line); + strncpy(tmp, line, min(len, x)); + tmp[len] = '\0'; + mvwprintw(win, i, 0, "%s", tmp); + } +} + +/* get the message, and buttons. + * each button must be a char* + * return the selected button + * + * this dialog is used for 2 different things: + * 1) show a text box, no buttons. + * 2) show a dialog, with horizontal buttons + */ +int btn_dialog(WINDOW *main_window, const char *msg, int btn_num, ...) +{ + va_list ap; + char *btn; + int btns_width = 0; + int msg_lines = 0; + int msg_width = 0; + int total_width; + int win_rows = 0; + WINDOW *win; + WINDOW *msg_win; + WINDOW *menu_win; + MENU *menu; + ITEM *btns[btn_num+1]; + int i, x, y; + int res = -1; + + + va_start(ap, btn_num); + for (i = 0; i < btn_num; i++) { + btn = va_arg(ap, char *); + btns[i] = new_item(btn, ""); + btns_width += strlen(btn)+1; + } + va_end(ap); + btns[btn_num] = NULL; + + /* find the widest line of msg: */ + msg_lines = get_line_no(msg); + for (i = 0; i < msg_lines; i++) { + const char *line = get_line(msg, i); + int len = get_line_length(line); + if (msg_width < len) + msg_width = len; + } + + total_width = max(msg_width, btns_width); + /* place dialog in middle of screen */ + y = (getmaxy(stdscr)-(msg_lines+4))/2; + x = (getmaxx(stdscr)-(total_width+4))/2; + + + /* create the windows */ + if (btn_num > 0) + win_rows = msg_lines+4; + else + win_rows = msg_lines+2; + + win = newwin(win_rows, total_width+4, y, x); + keypad(win, TRUE); + menu_win = derwin(win, 1, btns_width, win_rows-2, + 1+(total_width+2-btns_width)/2); + menu = new_menu(btns); + msg_win = derwin(win, win_rows-2, msg_width, 1, + 1+(total_width+2-msg_width)/2); + + set_menu_fore(menu, attributes[DIALOG_MENU_FORE]); + set_menu_back(menu, attributes[DIALOG_MENU_BACK]); + + (void) wattrset(win, attributes[DIALOG_BOX]); + box(win, 0, 0); + + /* print message */ + (void) wattrset(msg_win, attributes[DIALOG_TEXT]); + fill_window(msg_win, msg); + + set_menu_win(menu, win); + set_menu_sub(menu, menu_win); + set_menu_format(menu, 1, btn_num); + menu_opts_off(menu, O_SHOWDESC); + menu_opts_off(menu, O_SHOWMATCH); + menu_opts_on(menu, O_ONEVALUE); + menu_opts_on(menu, O_NONCYCLIC); + set_menu_mark(menu, ""); + post_menu(menu); + + + touchwin(win); + refresh_all_windows(main_window); + while ((res = wgetch(win))) { + switch (res) { + case KEY_LEFT: + menu_driver(menu, REQ_LEFT_ITEM); + break; + case KEY_RIGHT: + menu_driver(menu, REQ_RIGHT_ITEM); + break; + case 10: /* ENTER */ + case 27: /* ESCAPE */ + case ' ': + case KEY_F(F_BACK): + case KEY_F(F_EXIT): + break; + } + touchwin(win); + refresh_all_windows(main_window); + + if (res == 10 || res == ' ') { + res = item_index(current_item(menu)); + break; + } else if (res == 27 || res == KEY_F(F_BACK) || + res == KEY_F(F_EXIT)) { + res = KEY_EXIT; + break; + } + } + + unpost_menu(menu); + free_menu(menu); + for (i = 0; i < btn_num; i++) + free_item(btns[i]); + + delwin(win); + return res; +} + +int dialog_inputbox(WINDOW *main_window, + const char *title, const char *prompt, + const char *init, char **resultp, int *result_len) +{ + int prompt_lines = 0; + int prompt_width = 0; + WINDOW *win; + WINDOW *prompt_win; + WINDOW *form_win; + PANEL *panel; + int i, x, y; + int res = -1; + int cursor_position = strlen(init); + int cursor_form_win; + char *result = *resultp; + + if (strlen(init)+1 > *result_len) { + *result_len = strlen(init)+1; + *resultp = result = realloc(result, *result_len); + } + + /* find the widest line of msg: */ + prompt_lines = get_line_no(prompt); + for (i = 0; i < prompt_lines; i++) { + const char *line = get_line(prompt, i); + int len = get_line_length(line); + prompt_width = max(prompt_width, len); + } + + if (title) + prompt_width = max(prompt_width, strlen(title)); + + /* place dialog in middle of screen */ + y = (getmaxy(stdscr)-(prompt_lines+4))/2; + x = (getmaxx(stdscr)-(prompt_width+4))/2; + + strncpy(result, init, *result_len); + + /* create the windows */ + win = newwin(prompt_lines+6, prompt_width+7, y, x); + prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2); + form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2); + keypad(form_win, TRUE); + + (void) wattrset(form_win, attributes[INPUT_FIELD]); + + (void) wattrset(win, attributes[INPUT_BOX]); + box(win, 0, 0); + (void) wattrset(win, attributes[INPUT_HEADING]); + if (title) + mvwprintw(win, 0, 3, "%s", title); + + /* print message */ + (void) wattrset(prompt_win, attributes[INPUT_TEXT]); + fill_window(prompt_win, prompt); + + mvwprintw(form_win, 0, 0, "%*s", prompt_width, " "); + cursor_form_win = min(cursor_position, prompt_width-1); + mvwprintw(form_win, 0, 0, "%s", + result + cursor_position-cursor_form_win); + + /* create panels */ + panel = new_panel(win); + + /* show the cursor */ + curs_set(1); + + touchwin(win); + refresh_all_windows(main_window); + while ((res = wgetch(form_win))) { + int len = strlen(result); + switch (res) { + case 10: /* ENTER */ + case 27: /* ESCAPE */ + case KEY_F(F_HELP): + case KEY_F(F_EXIT): + case KEY_F(F_BACK): + break; + case 127: + case KEY_BACKSPACE: + if (cursor_position > 0) { + memmove(&result[cursor_position-1], + &result[cursor_position], + len-cursor_position+1); + cursor_position--; + cursor_form_win--; + len--; + } + break; + case KEY_DC: + if (cursor_position >= 0 && cursor_position < len) { + memmove(&result[cursor_position], + &result[cursor_position+1], + len-cursor_position+1); + len--; + } + break; + case KEY_UP: + case KEY_RIGHT: + if (cursor_position < len) { + cursor_position++; + cursor_form_win++; + } + break; + case KEY_DOWN: + case KEY_LEFT: + if (cursor_position > 0) { + cursor_position--; + cursor_form_win--; + } + break; + case KEY_HOME: + cursor_position = 0; + cursor_form_win = 0; + break; + case KEY_END: + cursor_position = len; + cursor_form_win = min(cursor_position, prompt_width-1); + break; + default: + if ((isgraph(res) || isspace(res))) { + /* one for new char, one for '\0' */ + if (len+2 > *result_len) { + *result_len = len+2; + *resultp = result = realloc(result, + *result_len); + } + /* insert the char at the proper position */ + memmove(&result[cursor_position+1], + &result[cursor_position], + len-cursor_position+1); + result[cursor_position] = res; + cursor_position++; + cursor_form_win++; + len++; + } else { + mvprintw(0, 0, "unknown key: %d\n", res); + } + break; + } + if (cursor_form_win < 0) + cursor_form_win = 0; + else if (cursor_form_win > prompt_width-1) + cursor_form_win = prompt_width-1; + + wmove(form_win, 0, 0); + wclrtoeol(form_win); + mvwprintw(form_win, 0, 0, "%*s", prompt_width, " "); + mvwprintw(form_win, 0, 0, "%s", + result + cursor_position-cursor_form_win); + wmove(form_win, 0, cursor_form_win); + touchwin(win); + refresh_all_windows(main_window); + + if (res == 10) { + res = 0; + break; + } else if (res == 27 || res == KEY_F(F_BACK) || + res == KEY_F(F_EXIT)) { + res = KEY_EXIT; + break; + } else if (res == KEY_F(F_HELP)) { + res = 1; + break; + } + } + + /* hide the cursor */ + curs_set(0); + del_panel(panel); + delwin(prompt_win); + delwin(form_win); + delwin(win); + return res; +} + +/* refresh all windows in the correct order */ +void refresh_all_windows(WINDOW *main_window) +{ + update_panels(); + touchwin(main_window); + refresh(); +} + +/* layman's scrollable window... */ +void show_scroll_win(WINDOW *main_window, + const char *title, + const char *text) +{ + int res; + int total_lines = get_line_no(text); + int x, y, lines, columns; + int start_x = 0, start_y = 0; + int text_lines = 0, text_cols = 0; + int total_cols = 0; + int win_cols = 0; + int win_lines = 0; + int i = 0; + WINDOW *win; + WINDOW *pad; + PANEL *panel; + + getmaxyx(stdscr, lines, columns); + + /* find the widest line of msg: */ + total_lines = get_line_no(text); + for (i = 0; i < total_lines; i++) { + const char *line = get_line(text, i); + int len = get_line_length(line); + total_cols = max(total_cols, len+2); + } + + /* create the pad */ + pad = newpad(total_lines+10, total_cols+10); + (void) wattrset(pad, attributes[SCROLLWIN_TEXT]); + fill_window(pad, text); + + win_lines = min(total_lines+4, lines-2); + win_cols = min(total_cols+2, columns-2); + text_lines = max(win_lines-4, 0); + text_cols = max(win_cols-2, 0); + + /* place window in middle of screen */ + y = (lines-win_lines)/2; + x = (columns-win_cols)/2; + + win = newwin(win_lines, win_cols, y, x); + keypad(win, TRUE); + /* show the help in the help window, and show the help panel */ + (void) wattrset(win, attributes[SCROLLWIN_BOX]); + box(win, 0, 0); + (void) wattrset(win, attributes[SCROLLWIN_HEADING]); + mvwprintw(win, 0, 3, " %s ", title); + panel = new_panel(win); + + /* handle scrolling */ + do { + + copywin(pad, win, start_y, start_x, 2, 2, text_lines, + text_cols, 0); + print_in_middle(win, + text_lines+2, + 0, + text_cols, + "<OK>", + attributes[DIALOG_MENU_FORE]); + wrefresh(win); + + res = wgetch(win); + switch (res) { + case KEY_NPAGE: + case ' ': + case 'd': + start_y += text_lines-2; + break; + case KEY_PPAGE: + case 'u': + start_y -= text_lines+2; + break; + case KEY_HOME: + start_y = 0; + break; + case KEY_END: + start_y = total_lines-text_lines; + break; + case KEY_DOWN: + case 'j': + start_y++; + break; + case KEY_UP: + case 'k': + start_y--; + break; + case KEY_LEFT: + case 'h': + start_x--; + break; + case KEY_RIGHT: + case 'l': + start_x++; + break; + } + if (res == 10 || res == 27 || res == 'q' || + res == KEY_F(F_HELP) || res == KEY_F(F_BACK) || + res == KEY_F(F_EXIT)) + break; + if (start_y < 0) + start_y = 0; + if (start_y >= total_lines-text_lines) + start_y = total_lines-text_lines; + if (start_x < 0) + start_x = 0; + if (start_x >= total_cols-text_cols) + start_x = total_cols-text_cols; + } while (res); + + del_panel(panel); + delwin(win); + refresh_all_windows(main_window); +} |