2 * $Id: inputbox.c,v 1.64 2010/01/19 01:03:39 tom Exp $
4 * inputbox.c -- implements the input box
6 * Copyright 2000-2009,2010 Thomas E. Dickey
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License, version 2.1
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this program; if not, write to
19 * Free Software Foundation, Inc.
20 * 51 Franklin St., Fifth Floor
21 * Boston, MA 02110, USA.
23 * An earlier version of this program lists as authors:
24 * Savio Lam (lam836@cs.cuhk.hk)
32 #define NAVIGATE_BINDINGS \
33 DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_DOWN ), \
34 DLG_KEYS_DATA( DLGK_FIELD_NEXT, KEY_RIGHT ), \
35 DLG_KEYS_DATA( DLGK_FIELD_NEXT, TAB ), \
36 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_BTAB ), \
37 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_LEFT ), \
38 DLG_KEYS_DATA( DLGK_FIELD_PREV, KEY_UP )
41 * Display a dialog box for entering a string
44 dialog_inputbox(const char *title, const char *cprompt, int height, int width,
45 const char *init, const int password)
48 static DLG_KEYS_BINDING binding[] = {
53 static DLG_KEYS_BINDING binding2[] = {
62 int old_height = height;
63 int old_width = width;
66 int x, y, box_y, box_x, box_width;
71 int result = DLG_EXIT_UNKNOWN;
77 char *prompt = dlg_strclone(cprompt);
78 const char **buttons = dlg_ok_labels();
82 dlg_tab_correct_str(prompt);
84 /* Set up the initial value */
85 input = dlg_set_result(init);
91 state = dialog_vars.defaultno ? dlg_defaultno_button() : sTEXT;
92 first = (state == sTEXT);
96 dlg_auto_size(title, prompt, &height, &width, 5,
97 MIN(MAX(dlg_count_columns(init) + 7, 26),
98 SCOLS - (dialog_vars.begin_set ?
99 dialog_vars.begin_x : 0)));
100 chr_offset = (int) strlen(init);
102 dlg_auto_size(title, prompt, &height, &width, 5, 26);
104 dlg_button_layout(buttons, &width);
105 dlg_print_size(height, width);
106 dlg_ctl_size(height, width);
108 xorg = dlg_box_x_ordinate(width);
109 yorg = dlg_box_y_ordinate(height);
111 dialog = dlg_new_window(height, width, yorg, xorg);
112 dlg_register_window(dialog, "inputbox", binding);
113 dlg_register_buttons(dialog, "inputbox", buttons);
115 dlg_mouse_setbase(xorg, yorg);
117 dlg_draw_box(dialog, 0, 0, height, width, dialog_attr, border_attr);
118 dlg_draw_bottom_box(dialog);
119 dlg_draw_title(dialog, title);
121 wattrset(dialog, dialog_attr);
122 dlg_print_autowrap(dialog, prompt, height, width);
124 /* Draw the input field box */
125 box_width = width - 6;
128 box_x = (width - box_width) / 2;
129 dlg_mouse_mkregion(y + 1, box_x - 1, 3, box_width + 2, 'i');
130 dlg_draw_box(dialog, y + 1, box_x - 1, 3, box_width + 2,
131 border_attr, dialog_attr);
133 /* Make a window for the input-field, to associate bindings */
134 editor = dlg_sub_window(dialog, 1, box_width, yorg + box_y, xorg + box_x);
135 dlg_register_window(editor, "inputbox", binding2);
137 while (result == DLG_EXIT_UNKNOWN) {
141 * The last field drawn determines where the cursor is shown:
144 show_buttons = FALSE;
145 col_offset = dlg_edit_offset(input, chr_offset, box_width);
146 (void) wmove(dialog, box_y, box_x + col_offset);
147 dlg_draw_buttons(dialog, height - 2, 0, buttons, state, FALSE, width);
151 key = dlg_mouse_wgetch((state == sTEXT) ? editor : dialog, &fkey);
152 if (dlg_result_key(key, fkey, &result))
157 * Handle mouse clicks first, since we want to know if this is a button,
158 * or something that dlg_edit_string() should handle.
161 && is_DLGK_MOUSE(key)
162 && (code = dlg_ok_buttoncode(key - M_EVENT)) >= 0) {
167 if (state == sTEXT) { /* Input box selected */
168 edit = dlg_edit_string(input, &chr_offset, key, fkey, first);
171 dlg_show_string(dialog, input, chr_offset, inputbox_attr,
172 box_y, box_x, box_width, password, first);
181 /* handle non-functionkeys */
182 if (!fkey && (code = dlg_char_to_button(key, buttons)) >= 0) {
183 dlg_del_window(dialog);
184 result = dlg_ok_buttoncode(code);
188 /* handle functionkeys */
191 case DLGK_MOUSE('i'): /* mouse enter events */
194 case DLGK_FIELD_PREV:
196 state = dlg_prev_ok_buttonindex(state, sTEXT);
198 case DLGK_FIELD_NEXT:
200 state = dlg_next_ok_buttonindex(state, sTEXT);
202 case ' ': /* FIXME: conflict with inputstr.c */
204 dlg_del_window(dialog);
205 result = (state >= 0) ? dlg_ok_buttoncode(state) : DLG_EXIT_OK;
214 dlg_del_window(dialog);
216 dlg_mouse_free_regions();
228 dlg_unregister_window(editor);
229 dlg_del_window(dialog);
230 dlg_mouse_free_regions();