/*
* $Id: msgbox.c,v 1.89 2020/11/23 00:32:02 tom Exp $
*
* msgbox.c -- implements the message box and info box
*
* Copyright 2000-2019,2020 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,
SCROLLKEY_BINDINGS,
TRAVERSE_BINDINGS,
END_KEYS_BINDING
};
/* *INDENT-ON* */
int x, y, page;
int button;
int key, fkey;
int result = DLG_EXIT_UNKNOWN;
WINDOW *dialog = 0;
char *prompt;
const char **buttons = dlg_ok_label();
int offset = 0;
bool show = TRUE;
int min_width = (pauseopt == 1 ? 12 : 0);
bool save_nocancel = dialog_vars.nocancel;
#ifdef KEY_RESIZE
int req_high;
int req_wide;
#endif
DLG_TRACE(("# msgbox args:\n"));
DLG_TRACE2S("title", title);
DLG_TRACE2S("message", cprompt);
DLG_TRACE2N("height", height);
DLG_TRACE2N("width", width);
DLG_TRACE2N("pauseopt", pauseopt);
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);
prompt = dlg_strclone(cprompt);
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);
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);
dlg_attrset(dialog, dialog_attr);
if (pauseopt) {
int last = 0;
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) {
int check;
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)) {
if (!dlg_button_key(result, &button, &key, &fkey))
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_will_resize(dialog);
free(prompt);
height = req_high;
width = req_wide;
show = TRUE;
_dlg_resize_cleanup(dialog);
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_enter_buttoncode(button);
break;
case DLGK_LEAVE:
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 if (key > 0) {
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_add_last_key(-1);
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
dialog_vars.nocancel = save_nocancel;
return result;
}
