freebsd-nq/contrib/dialog/inputbox.c
Nathan Whitehorn 1971864966 Revert r241818 that updated dialog to 20120706. This turns out to horribly
break mixed form dialogs in conjunction with the FreeBSD termcap, making
the bsdinstall partition editor Add dialog, among other things, completely
nonfunctional. This restores dialog 20110707.
2012-12-30 04:22:34 +00:00

237 lines
6.1 KiB
C

/*
* $Id: inputbox.c,v 1.67 2011/06/29 09:48:34 tom Exp $
*
* inputbox.c -- implements the input box
*
* Copyright 2000-2010,2011 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>
#define sTEXT -1
#define NAVIGATE_BINDINGS \
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_DOWN ), \
DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), \
DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ), \
DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_UP )
/*
* Display a dialog box for entering a string
*/
int
dialog_inputbox(const char *title, const char *cprompt, int height, int width,
const char *init, const int password)
{
/* *INDENT-OFF* */
static DLG_KEYS_BINDING binding[] = {
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
NAVIGATE_BINDINGS,
END_KEYS_BINDING
};
static DLG_KEYS_BINDING binding2[] = {
INPUTSTR_BINDINGS,
HELPKEY_BINDINGS,
ENTERKEY_BINDINGS,
NAVIGATE_BINDINGS,
END_KEYS_BINDING
};
/* *INDENT-ON* */
#ifdef KEY_RESIZE
int old_height = height;
int old_width = width;
#endif
int xorg, yorg;
int x, y, box_y, box_x, box_width;
int show_buttons;
int col_offset = 0;
int chr_offset = 0;
int key, fkey, code;
int result = DLG_EXIT_UNKNOWN;
int state;
int first;
char *input;
WINDOW *dialog;
WINDOW *editor;
char *prompt = dlg_strclone(cprompt);
const char **buttons = dlg_ok_labels();
dlg_does_output();
dlg_tab_correct_str(prompt);
/* Set up the initial value */
input = dlg_set_result(init);
#ifdef KEY_RESIZE
retry:
#endif
show_buttons = TRUE;
state = dialog_vars.defaultno ? dlg_defaultno_button() : sTEXT;
first = (state == sTEXT);
key = fkey = 0;
if (init != NULL) {
dlg_auto_size(title, prompt, &height, &width, 5,
MIN(MAX(dlg_count_columns(init) + 7, 26),
SCOLS - (dialog_vars.begin_set ?
dialog_vars.begin_x : 0)));
chr_offset = (int) strlen(init);
} else {
dlg_auto_size(title, prompt, &height, &width, 5, 26);
}
dlg_button_layout(buttons, &width);
dlg_print_size(height, width);
dlg_ctl_size(height, width);
xorg = dlg_box_x_ordinate(width);
yorg = dlg_box_y_ordinate(height);
dialog = dlg_new_window(height, width, yorg, xorg);
dlg_register_window(dialog, "inputbox", binding);
dlg_register_buttons(dialog, "inputbox", buttons);
dlg_mouse_setbase(xorg, yorg);
dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
dlg_draw_bottom_box(dialog);
dlg_draw_title(dialog, title);
wattrset(dialog, dialog_attr);
dlg_draw_helpline(dialog, FALSE);
dlg_print_autowrap(dialog, prompt, height, width);
/* Draw the input field box */
box_width = width - 6;
getyx(dialog, y, x);
box_y = y + 2;
box_x = (width - box_width) / 2;
dlg_mouse_mkregion(y + 1, box_x - 1, 3, box_width + 2, 'i');
dlg_draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
border_attr, dialog_attr);
/* Make a window for the input-field, to associate bindings */
editor = dlg_sub_window(dialog, 1, box_width, yorg + box_y, xorg + box_x);
dlg_register_window(editor, "inputbox", binding2);
while (result == DLG_EXIT_UNKNOWN) {
int edit = 0;
/*
* The last field drawn determines where the cursor is shown:
*/
if (show_buttons) {
show_buttons = FALSE;
col_offset = dlg_edit_offset(input, chr_offset, box_width);
(void) wmove(dialog, box_y, box_x + col_offset);
dlg_draw_buttons(dialog, height - 2, 0, buttons, state, FALSE, width);
}
if (!first) {
key = dlg_mouse_wgetch((state == sTEXT) ? editor : dialog, &fkey);
if (dlg_result_key(key, fkey, &result))
break;
}
/*
* Handle mouse clicks first, since we want to know if this is a button,
* or something that dlg_edit_string() should handle.
*/
if (fkey
&& is_DLGK_MOUSE(key)
&& (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) {
result = code;
continue;
}
if (state == sTEXT) { /* Input box selected */
edit = dlg_edit_string(input, &chr_offset, key, fkey, first);
if (edit) {
dlg_show_string(dialog, input, chr_offset, inputbox_attr,
box_y, box_x, box_width, password, first);
first = FALSE;
continue;
} else if (first) {
first = FALSE;
continue;
}
}
/* handle non-functionkeys */
if (!fkey && (code = dlg_char_to_button(key, buttons)) >= 0) {
dlg_del_window(dialog);
result = dlg_ok_buttoncode(code);
continue;
}
/* handle functionkeys */
if (fkey) {
switch (key) {
case DLGK_MOUSE('i'): /* mouse enter events */
state = 0;
/* FALLTHRU */
case DLGK_FIELD_PREV:
show_buttons = TRUE;
state = dlg_prev_ok_buttonindex(state, sTEXT);
break;
case DLGK_FIELD_NEXT:
show_buttons = TRUE;
state = dlg_next_ok_buttonindex(state, sTEXT);
break;
case ' ': /* FIXME: conflict with inputstr.c */
case DLGK_ENTER:
dlg_del_window(dialog);
result = (state >= 0) ? dlg_enter_buttoncode(state) : DLG_EXIT_OK;
break;
#ifdef KEY_RESIZE
case KEY_RESIZE:
/* reset data */
height = old_height;
width = old_width;
/* repaint */
dlg_clear();
dlg_del_window(dialog);
refresh();
dlg_mouse_free_regions();
goto retry;
#endif
default:
beep();
break;
}
} else {
beep();
}
}
dlg_unregister_window(editor);
dlg_del_window(dialog);
dlg_mouse_free_regions();
free(prompt);
return result;
}