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/*
* $Id: inputbox.c,v 1.76 2012/12/03 11:46:50 tom Exp $
*
* inputbox.c -- implements the input 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>
#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;
int edited;
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);
edited = FALSE;
#ifdef KEY_RESIZE
retry:
#endif
show_buttons = TRUE;
state = dialog_vars.default_button >= 0 ? dlg_default_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_box2(dialog, 0, 0, height, width, dialog_attr, border_attr, border2_attr);
dlg_draw_bottom_box2(dialog, border_attr, border2_attr, dialog_attr);
dlg_draw_title(dialog, title);
(void) 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);
(void) 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, border2_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, "inputbox2", binding2);
if (*input != '\0') {
dlg_show_string(editor, input, chr_offset, inputbox_attr,
0, 0, box_width, password, first);
wsyncup(editor);
wcursyncup(editor);
}
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) {
if (*input != '\0' && !edited) {
dlg_show_string(editor, input, chr_offset, inputbox_attr,
0, 0, box_width, password, first);
wmove(editor, 0, chr_offset);
wsyncup(editor);
wcursyncup(editor);
}
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(editor, input, chr_offset, inputbox_attr,
0, 0, box_width, password, first);
wsyncup(editor);
wcursyncup(editor);
first = FALSE;
edited = TRUE;
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;
}
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