diff options
Diffstat (limited to 'contrib/dialog/msgbox.c')
| -rw-r--r-- | contrib/dialog/msgbox.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/contrib/dialog/msgbox.c b/contrib/dialog/msgbox.c new file mode 100644 index 0000000..1353209 --- /dev/null +++ b/contrib/dialog/msgbox.c @@ -0,0 +1,192 @@ +/* + * $Id: msgbox.c,v 1.74 2012/07/06 16:53:53 tom Exp $ + * + * msgbox.c -- implements the message box and info box + * + * Copyright 2000-2011,2012 Thomas E. Dickey + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License, version 2.1 + * as published by the Free Software Foundation. + * + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this program; if not, write to + * Free Software Foundation, Inc. + * 51 Franklin St., Fifth Floor + * Boston, MA 02110, USA. + * + * An earlier version of this program lists as authors: + * Savio Lam (lam836@cs.cuhk.hk) + */ + +#include <dialog.h> +#include <dlg_keys.h> + +/* + * Display a message box. Program will pause and display an "OK" button + * if the parameter 'pauseopt' is non-zero. + */ +int +dialog_msgbox(const char *title, const char *cprompt, int height, int width, + int pauseopt) +{ + /* *INDENT-OFF* */ + static DLG_KEYS_BINDING binding[] = { + HELPKEY_BINDINGS, + ENTERKEY_BINDINGS, + TRAVERSE_BINDINGS, + SCROLLKEY_BINDINGS, + END_KEYS_BINDING + }; + /* *INDENT-ON* */ + + int x, y, last = 0, page; + int button; + int key = 0, fkey; + int result = DLG_EXIT_UNKNOWN; + WINDOW *dialog = 0; + char *prompt = dlg_strclone(cprompt); + const char **buttons = dlg_ok_label(); + int offset = 0; + int check; + bool show = TRUE; + int min_width = (pauseopt == 1 ? 12 : 0); + int save_nocancel = dialog_vars.nocancel; +#ifdef KEY_RESIZE + int req_high; + int req_wide; +#endif + + dialog_vars.nocancel = TRUE; + button = dlg_default_button(); + +#ifdef KEY_RESIZE + req_high = height; + req_wide = width; + restart: +#endif + + dlg_button_layout(buttons, &min_width); + + dlg_tab_correct_str(prompt); + dlg_auto_size(title, prompt, &height, &width, + (pauseopt == 1 ? 2 : 0), + min_width); + dlg_print_size(height, width); + dlg_ctl_size(height, width); + + x = dlg_box_x_ordinate(width); + y = dlg_box_y_ordinate(height); + +#ifdef KEY_RESIZE + if (dialog != 0) + dlg_move_window(dialog, height, width, y, x); + else +#endif + { + dialog = dlg_new_window(height, width, y, x); + dlg_register_window(dialog, "msgbox", binding); + dlg_register_buttons(dialog, "msgbox", buttons); + } + page = height - (1 + 3 * MARGIN); + + dlg_mouse_setbase(x, y); + + dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr); + dlg_draw_title(dialog, title); + + wattrset(dialog, dialog_attr); + + if (pauseopt) { + dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr); + mouse_mkbutton(height - 2, width / 2 - 4, 6, '\n'); + dlg_draw_buttons(dialog, height - 2, 0, buttons, button, FALSE, width); + dlg_draw_helpline(dialog, FALSE); + + while (result == DLG_EXIT_UNKNOWN) { + if (show) { + last = dlg_print_scrolled(dialog, prompt, offset, + page, width, pauseopt); + dlg_trace_win(dialog); + show = FALSE; + } + key = dlg_mouse_wgetch(dialog, &fkey); + if (dlg_result_key(key, fkey, &result)) + break; + + if (!fkey && (check = dlg_char_to_button(key, buttons)) >= 0) { + result = dlg_ok_buttoncode(check); + break; + } + + if (fkey) { + switch (key) { +#ifdef KEY_RESIZE + case KEY_RESIZE: + dlg_clear(); + height = req_high; + width = req_wide; + show = TRUE; + goto restart; +#endif + case DLGK_FIELD_NEXT: + button = dlg_next_button(buttons, button); + if (button < 0) + button = 0; + dlg_draw_buttons(dialog, + height - 2, 0, + buttons, button, + FALSE, width); + break; + case DLGK_FIELD_PREV: + button = dlg_prev_button(buttons, button); + if (button < 0) + button = 0; + dlg_draw_buttons(dialog, + height - 2, 0, + buttons, button, + FALSE, width); + break; + case DLGK_ENTER: + result = dlg_ok_buttoncode(button); + break; + default: + if (is_DLGK_MOUSE(key)) { + result = dlg_ok_buttoncode(key - M_EVENT); + if (result < 0) + result = DLG_EXIT_OK; + } else if (dlg_check_scrolled(key, + last, + page, + &show, + &offset) == 0) { + } else { + beep(); + } + break; + } + } else { + beep(); + } + } + } else { + dlg_print_scrolled(dialog, prompt, offset, page, width, pauseopt); + dlg_draw_helpline(dialog, FALSE); + wrefresh(dialog); + dlg_trace_win(dialog); + result = DLG_EXIT_OK; + } + + dlg_del_window(dialog); + dlg_mouse_free_regions(); + free(prompt); + + dialog_vars.nocancel = save_nocancel; + + return result; +} |
