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1 | /** |
2 | * Jexer - Java Text User Interface | |
3 | * | |
4 | * Version: $Id$ | |
5 | * | |
6 | * Author: Kevin Lamonte, <a href="mailto:kevin.lamonte@gmail.com">kevin.lamonte@gmail.com</a> | |
7 | * | |
8 | * License: LGPLv3 or later | |
9 | * | |
10 | * Copyright: This module is licensed under the GNU Lesser General | |
11 | * Public License Version 3. Please see the file "COPYING" in this | |
12 | * directory for more information about the GNU Lesser General Public | |
13 | * License Version 3. | |
14 | * | |
15 | * Copyright (C) 2015 Kevin Lamonte | |
16 | * | |
17 | * This program is free software; you can redistribute it and/or | |
18 | * modify it under the terms of the GNU Lesser General Public License | |
19 | * as published by the Free Software Foundation; either version 3 of | |
20 | * the License, or (at your option) any later version. | |
21 | * | |
22 | * This program is distributed in the hope that it will be useful, but | |
23 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
24 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
25 | * General Public License for more details. | |
26 | * | |
27 | * You should have received a copy of the GNU Lesser General Public | |
28 | * License along with this program; if not, see | |
29 | * http://www.gnu.org/licenses/, or write to the Free Software | |
30 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
31 | * 02110-1301 USA | |
32 | */ | |
33 | package jexer.bits; | |
34 | ||
35 | /** | |
36 | * MnemonicString is used to render a string like "&File" into a highlighted | |
37 | * 'F' and the rest of 'ile'. To insert a literal '&', use two '&&' | |
38 | * characters, e.g. "&File && Stuff" would be "File & Stuff" with the first | |
39 | * 'F' highlighted. | |
40 | */ | |
41 | public class MnemonicString { | |
42 | ||
43 | /** | |
44 | * Keyboard shortcut to activate this item | |
45 | */ | |
46 | public char shortcut; | |
47 | ||
48 | /** | |
49 | * Location of the highlighted character | |
50 | */ | |
51 | public int shortcutIdx = -1; | |
52 | ||
53 | /** | |
54 | * The raw (uncolored) string | |
55 | */ | |
56 | public String rawLabel; | |
57 | ||
58 | /** | |
59 | * Public constructor | |
60 | * | |
61 | * @param label widget label or title. Label must contain a keyboard | |
62 | * shortcut, denoted by prefixing a letter with "&", e.g. "&File" | |
63 | */ | |
64 | public MnemonicString(String label) { | |
65 | ||
66 | // Setup the menu shortcut | |
67 | String newLabel = ""; | |
68 | boolean foundAmp = false; | |
69 | boolean foundShortcut = false; | |
70 | int shortcutIdx = 0; | |
71 | for (int i = 0; i < label.length(); i++) { | |
72 | char c = label.charAt(i); | |
73 | if (c == '&') { | |
74 | if (foundAmp == true) { | |
75 | newLabel += '&'; | |
76 | shortcutIdx++; | |
77 | } else { | |
78 | foundAmp = true; | |
79 | } | |
80 | } else { | |
81 | newLabel += c; | |
82 | if (foundAmp == true) { | |
83 | if (foundShortcut == false) { | |
84 | shortcut = c; | |
85 | foundAmp = false; | |
86 | foundShortcut = true; | |
87 | this.shortcutIdx = shortcutIdx; | |
88 | } | |
89 | } else { | |
90 | shortcutIdx++; | |
91 | } | |
92 | } | |
93 | } | |
94 | this.rawLabel = newLabel; | |
95 | } | |
96 | } | |
97 |