draggable window
[nikiroo-utils.git] / src / jexer / TMenu.java
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1/**
2 * Jexer - Java Text User Interface
3 *
4 * License: LGPLv3 or later
5 *
6 * This module is licensed under the GNU Lesser General Public License
7 * Version 3. Please see the file "COPYING" in this directory for more
8 * information about the GNU Lesser General Public License Version 3.
9 *
10 * Copyright (C) 2015 Kevin Lamonte
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public License
14 * as published by the Free Software Foundation; either version 3 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this program; if not, see
24 * http://www.gnu.org/licenses/, or write to the Free Software
25 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
26 * 02110-1301 USA
27 *
28 * @author Kevin Lamonte [kevin.lamonte@gmail.com]
29 * @version 1
30 */
31package jexer;
32
33import jexer.bits.MnemonicString;
34
35/**
36 * TMenu is a top-level collection of TMenuItems.
37 */
38public class TMenu extends TWindow {
39
40 /**
41 * If true, this is a sub-menu.
42 */
43 private boolean isSubMenu = false;
44
45 /**
46 * The shortcut and title.
47 */
48 private MnemonicString mnemonic;
49
50 // Reserved menu item IDs
51 public static final int MID_UNUSED = -1;
52
53 // File menu
54 public static final int MID_EXIT = 1;
55 public static final int MID_QUIT = MID_EXIT;
56 public static final int MID_OPEN_FILE = 2;
57 public static final int MID_SHELL = 3;
58
59 // Edit menu
60 public static final int MID_CUT = 10;
61 public static final int MID_COPY = 11;
62 public static final int MID_PASTE = 12;
63 public static final int MID_CLEAR = 13;
64
65 // Window menu
66 public static final int MID_TILE = 20;
67 public static final int MID_CASCADE = 21;
68 public static final int MID_CLOSE_ALL = 22;
69 public static final int MID_WINDOW_MOVE = 23;
70 public static final int MID_WINDOW_ZOOM = 24;
71 public static final int MID_WINDOW_NEXT = 25;
72 public static final int MID_WINDOW_PREVIOUS = 26;
73 public static final int MID_WINDOW_CLOSE = 27;
74
75 /**
76 * Public constructor.
77 *
78 * @param parent parent application
79 * @param x column relative to parent
80 * @param y row relative to parent
81 * @param label mnemonic menu title. Label must contain a keyboard
82 * shortcut (mnemonic), denoted by prefixing a letter with "&",
83 * e.g. "&File"
84 */
85 public TMenu(final TApplication parent, final int x, final int y,
86 final String label) {
87
88 super(parent, label, x, y, parent.getScreen().getWidth(),
89 parent.getScreen().getHeight());
90
91 // My parent constructor added me as a window, get rid of that
92 parent.closeWindow(this);
93
94 // Setup the menu shortcut
95 mnemonic = new MnemonicString(title);
96 this.title = mnemonic.getRawLabel();
97 assert (mnemonic.getShortcutIdx() >= 0);
98
99 // Recompute width and height to reflect an empty menu
100 width = this.title.length() + 4;
101 height = 2;
102
103 this.active = false;
104 }
105
106}