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2a3e3873a1
Level up WARNS
162 lines
4.0 KiB
C
162 lines
4.0 KiB
C
/*
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* $Id: yesno.c,v 1.57 2012/12/01 01:48:21 tom Exp $
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*
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* yesno.c -- implements the yes/no box
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*
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* Copyright 1999-2011,2012 Thomas E. Dickey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License, version 2.1
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to
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* Free Software Foundation, Inc.
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* 51 Franklin St., Fifth Floor
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* Boston, MA 02110, USA.
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*
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* An earlier version of this program lists as authors
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* Savio Lam (lam836@cs.cuhk.hk)
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*/
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#include <dialog.h>
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#include <dlg_keys.h>
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/*
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* Display a dialog box with two buttons - Yes and No.
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*/
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int
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dialog_yesno(const char *title, const char *cprompt, int height, int width)
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{
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/* *INDENT-OFF* */
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static DLG_KEYS_BINDING binding[] = {
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HELPKEY_BINDINGS,
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ENTERKEY_BINDINGS,
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TRAVERSE_BINDINGS,
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SCROLLKEY_BINDINGS,
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END_KEYS_BINDING
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};
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/* *INDENT-ON* */
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int x, y;
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int key = 0, fkey;
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int code;
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int button = dlg_default_button();
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WINDOW *dialog = 0;
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int result = DLG_EXIT_UNKNOWN;
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char *prompt = dlg_strclone(cprompt);
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const char **buttons = dlg_yes_labels();
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int min_width = 25;
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bool show = TRUE;
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int page, last = 0, offset = 0;
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#ifdef KEY_RESIZE
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int req_high = height;
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int req_wide = width;
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restart:
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#endif
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dlg_tab_correct_str(prompt);
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dlg_button_layout(buttons, &min_width);
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dlg_auto_size(title, prompt, &height, &width, 2, min_width);
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dlg_print_size(height, width);
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dlg_ctl_size(height, width);
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x = dlg_box_x_ordinate(width);
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y = dlg_box_y_ordinate(height);
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#ifdef KEY_RESIZE
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if (dialog != 0)
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dlg_move_window(dialog, height, width, y, x);
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else
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#endif
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{
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dialog = dlg_new_window(height, width, y, x);
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dlg_register_window(dialog, "yesno", binding);
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dlg_register_buttons(dialog, "yesno", buttons);
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}
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dlg_draw_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
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dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
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dlg_draw_title(dialog, title);
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dlg_draw_helpline(dialog, FALSE);
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(void) wattrset(dialog, dialog_attr);
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page = height - (1 + 3 * MARGIN);
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dlg_draw_buttons(dialog,
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height - 2 * MARGIN, 0,
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buttons, button, FALSE, width);
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while (result == DLG_EXIT_UNKNOWN) {
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if (show) {
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last = dlg_print_scrolled(dialog, prompt, offset,
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page, width, TRUE);
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dlg_trace_win(dialog);
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show = FALSE;
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}
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key = dlg_mouse_wgetch(dialog, &fkey);
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if (dlg_result_key(key, fkey, &result))
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break;
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if ((code = dlg_char_to_button(key, buttons)) >= 0) {
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result = dlg_ok_buttoncode(code);
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break;
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}
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/* handle function keys */
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if (fkey) {
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switch (key) {
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case DLGK_FIELD_NEXT:
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button = dlg_next_button(buttons, button);
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if (button < 0)
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button = 0;
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dlg_draw_buttons(dialog,
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height - 2, 0,
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buttons, button,
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FALSE, width);
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break;
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case DLGK_FIELD_PREV:
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button = dlg_prev_button(buttons, button);
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if (button < 0)
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button = 0;
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dlg_draw_buttons(dialog,
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height - 2, 0,
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buttons, button,
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FALSE, width);
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break;
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case DLGK_ENTER:
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result = dlg_yes_buttoncode(button);
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break;
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#ifdef KEY_RESIZE
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case KEY_RESIZE:
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dlg_clear();
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height = req_high;
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width = req_wide;
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goto restart;
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#endif
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default:
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if (is_DLGK_MOUSE(key)) {
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result = dlg_yes_buttoncode(key - M_EVENT);
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if (result < 0)
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result = DLG_EXIT_OK;
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} else if (dlg_check_scrolled(key, last, page,
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&show, &offset) != 0) {
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beep();
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}
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break;
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}
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} else {
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beep();
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}
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}
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dlg_del_window(dialog);
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dlg_mouse_free_regions();
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free(prompt);
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return result;
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}
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