diff options
Diffstat (limited to 'roms/seabios/scripts/kconfig/lxdialog/inputbox.c')
| -rw-r--r-- | roms/seabios/scripts/kconfig/lxdialog/inputbox.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/roms/seabios/scripts/kconfig/lxdialog/inputbox.c b/roms/seabios/scripts/kconfig/lxdialog/inputbox.c new file mode 100644 index 000000000..d58de1dc5 --- /dev/null +++ b/roms/seabios/scripts/kconfig/lxdialog/inputbox.c @@ -0,0 +1,301 @@ +/* + * inputbox.c -- implements the input box + * + * ORIGINAL AUTHOR: Savio Lam (lam836@cs.cuhk.hk) + * MODIFIED FOR LINUX KERNEL CONFIG BY: William Roadcap (roadcap@cfw.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "dialog.h" + +char dialog_input_result[MAX_LEN + 1]; + +/* + * Print the termination buttons + */ +static void print_buttons(WINDOW * dialog, int height, int width, int selected) +{ + int x = width / 2 - 11; + int y = height - 2; + + print_button(dialog, gettext(" Ok "), y, x, selected == 0); + print_button(dialog, gettext(" Help "), y, x + 14, selected == 1); + + wmove(dialog, y, x + 1 + 14 * selected); + wrefresh(dialog); +} + +/* + * Display a dialog box for inputing a string + */ +int dialog_inputbox(const char *title, const char *prompt, int height, int width, + const char *init) +{ + int i, x, y, box_y, box_x, box_width; + int input_x = 0, key = 0, button = -1; + int show_x, len, pos; + char *instr = dialog_input_result; + WINDOW *dialog; + + if (!init) + instr[0] = '\0'; + else + strcpy(instr, init); + +do_resize: + if (getmaxy(stdscr) <= (height - INPUTBOX_HEIGTH_MIN)) + return -ERRDISPLAYTOOSMALL; + if (getmaxx(stdscr) <= (width - INPUTBOX_WIDTH_MIN)) + return -ERRDISPLAYTOOSMALL; + + /* center dialog box on screen */ + x = (getmaxx(stdscr) - width) / 2; + y = (getmaxy(stdscr) - 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.dialog.atr, dlg.border.atr); + + print_buttons(dialog, height, width, 0); + + /* Set up the initial value */ + wmove(dialog, box_y, box_x); + wattrset(dialog, dlg.inputbox.atr); + + len = strlen(instr); + pos = len; + + if (len >= box_width) { + show_x = len - box_width + 1; + input_x = box_width - 1; + for (i = 0; i < box_width - 1; i++) + waddch(dialog, instr[show_x + i]); + } else { + show_x = 0; + input_x = len; + 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_BACKSPACE: + case 127: + if (pos) { + wattrset(dialog, dlg.inputbox.atr); + if (input_x == 0) { + show_x--; + } else + input_x--; + + if (pos < len) { + for (i = pos - 1; i < len; i++) { + instr[i] = instr[i+1]; + } + } + + pos--; + len--; + instr[len] = '\0'; + wmove(dialog, box_y, box_x); + for (i = 0; i < box_width; i++) { + if (!instr[show_x + i]) { + waddch(dialog, ' '); + break; + } + waddch(dialog, instr[show_x + i]); + } + wmove(dialog, box_y, input_x + box_x); + wrefresh(dialog); + } + continue; + case KEY_LEFT: + if (pos > 0) { + if (input_x > 0) { + wmove(dialog, box_y, --input_x + box_x); + } else if (input_x == 0) { + show_x--; + wmove(dialog, box_y, box_x); + for (i = 0; i < box_width; i++) { + if (!instr[show_x + i]) { + waddch(dialog, ' '); + break; + } + waddch(dialog, instr[show_x + i]); + } + wmove(dialog, box_y, box_x); + } + pos--; + } + continue; + case KEY_RIGHT: + if (pos < len) { + if (input_x < box_width - 1) { + wmove(dialog, box_y, ++input_x + box_x); + } else if (input_x == box_width - 1) { + show_x++; + wmove(dialog, box_y, box_x); + for (i = 0; i < box_width; i++) { + if (!instr[show_x + i]) { + waddch(dialog, ' '); + break; + } + waddch(dialog, instr[show_x + i]); + } + wmove(dialog, box_y, input_x + box_x); + } + pos++; + } + continue; + default: + if (key < 0x100 && isprint(key)) { + if (len < MAX_LEN) { + wattrset(dialog, dlg.inputbox.atr); + if (pos < len) { + for (i = len; i > pos; i--) + instr[i] = instr[i-1]; + instr[pos] = key; + } else { + instr[len] = key; + } + pos++; + len++; + instr[len] = '\0'; + + if (input_x == box_width - 1) { + show_x++; + } else { + input_x++; + } + + wmove(dialog, box_y, box_x); + for (i = 0; i < box_width; i++) { + if (!instr[show_x + i]) { + waddch(dialog, ' '); + break; + } + waddch(dialog, instr[show_x + i]); + } + wmove(dialog, box_y, input_x + box_x); + wrefresh(dialog); + } else + flash(); /* Alarm user about overflow */ + continue; + } + } + } + switch (key) { + case 'O': + case 'o': + delwin(dialog); + return 0; + case 'H': + case 'h': + delwin(dialog); + return 1; + case KEY_UP: + case KEY_LEFT: + switch (button) { + case -1: + button = 1; /* Indicates "Help" 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 "Help" 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; + } + } + + delwin(dialog); + return KEY_ESC; /* ESC pressed */ +} |