| 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 | */ |
| 31 | package jexer.demos; |
| 32 | |
| 33 | import jexer.*; |
| 34 | import jexer.event.*; |
| 35 | import jexer.menu.*; |
| 36 | |
| 37 | /** |
| 38 | * This window demonstates the TText, THScroller, and TVScroller widgets. |
| 39 | */ |
| 40 | public class DemoTextWindow extends TWindow { |
| 41 | |
| 42 | /** |
| 43 | * Hang onto my TText so I can resize it with the window. |
| 44 | */ |
| 45 | private TText textField; |
| 46 | |
| 47 | /** |
| 48 | * Public constructor makes a text window out of any string. |
| 49 | * |
| 50 | * @param parent the main application |
| 51 | * @param title the text string |
| 52 | * @param text the text string |
| 53 | */ |
| 54 | public DemoTextWindow(final TApplication parent, final String title, |
| 55 | final String text) { |
| 56 | |
| 57 | super(parent, title, 0, 0, 44, 20, RESIZABLE); |
| 58 | textField = addText(text, 1, 1, 40, 16); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Public constructor. |
| 63 | * |
| 64 | * @param parent the main application |
| 65 | */ |
| 66 | public DemoTextWindow(final TApplication parent) { |
| 67 | this(parent, "Text Area", |
| 68 | "This is an example of a reflowable text field. Some example text follows.\n" + |
| 69 | "\n" + |
| 70 | "Notice that some menu items should be disabled when this window has focus.\n" + |
| 71 | "\n" + |
| 72 | "This library implements a text-based windowing system loosely\n" + |
| 73 | "reminiscient of Borland's [Turbo\n" + |
| 74 | "Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library. For those\n" + |
| 75 | "wishing to use the actual C++ Turbo Vision library, see [Sergio\n" + |
| 76 | "Sigala's updated version](http://tvision.sourceforge.net/) that runs\n" + |
| 77 | "on many more platforms.\n" + |
| 78 | "\n" + |
| 79 | "This library is licensed LGPL (\"GNU Lesser General Public License\")\n" + |
| 80 | "version 3 or greater. See the file COPYING for the full license text,\n" + |
| 81 | "which includes both the GPL v3 and the LGPL supplemental terms.\n" + |
| 82 | "\n"); |
| 83 | |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Handle window/screen resize events. |
| 88 | * |
| 89 | * @param event resize event |
| 90 | */ |
| 91 | @Override |
| 92 | public void onResize(final TResizeEvent event) { |
| 93 | if (event.getType() == TResizeEvent.Type.WIDGET) { |
| 94 | // Resize the text field |
| 95 | textField.setWidth(event.getWidth() - 4); |
| 96 | textField.setHeight(event.getHeight() - 4); |
| 97 | textField.reflow(); |
| 98 | return; |
| 99 | } |
| 100 | |
| 101 | // Pass to children instead |
| 102 | for (TWidget widget: getChildren()) { |
| 103 | widget.onResize(event); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Play with menu items. |
| 109 | */ |
| 110 | public void onFocus() { |
| 111 | getApplication().enableMenuItem(2001); |
| 112 | getApplication().disableMenuItem(TMenu.MID_SHELL); |
| 113 | getApplication().disableMenuItem(TMenu.MID_EXIT); |
| 114 | } |
| 115 | |
| 116 | /** |
| 117 | * Called by application.switchWindow() when another window gets the |
| 118 | * focus. |
| 119 | */ |
| 120 | public void onUnfocus() { |
| 121 | getApplication().disableMenuItem(2001); |
| 122 | getApplication().enableMenuItem(TMenu.MID_SHELL); |
| 123 | getApplication().enableMenuItem(TMenu.MID_EXIT); |
| 124 | } |
| 125 | |
| 126 | } |