src/jexer/demos/DemoTextWindow.java

   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
  36 /**
  37  * This window demonstates the TText, THScroller, and TVScroller widgets.
  38  */
  39 public class DemoTextWindow extends TWindow {
  40
  41     /**
  42      * Hang onto my TText so I can resize it with the window.
  43      */
  44     private TText textField;
  45
  46     /**
  47      * Public constructor makes a text window out of any string.
  48      *
  49      * @param parent the main application
  50      * @param title the text string
  51      * @param text the text string
  52      */
  53     public DemoTextWindow(final TApplication parent, final String title,
  54         final String text) {
  55
  56         super(parent, title, 0, 0, 44, 20, RESIZABLE);
  57         textField = addText(text, 1, 1, 40, 16);
  58     }
  59
  60     /**
  61      * Public constructor.
  62      *
  63      * @param parent the main application
  64      */
  65     public DemoTextWindow(final TApplication parent) {
  66         this(parent, "Text Area",
  67 "This is an example of a reflowable text field.  Some example text follows.\n" +
  68 "\n" +
  69 "This library implements a text-based windowing system loosely\n" +
  70 "reminiscient of Borland's [Turbo\n" +
  71 "Vision](http://en.wikipedia.org/wiki/Turbo_Vision) library.  For those\n" +
  72 "wishing to use the actual C++ Turbo Vision library, see [Sergio\n" +
  73 "Sigala's updated version](http://tvision.sourceforge.net/) that runs\n" +
  74 "on many more platforms.\n" +
  75 "\n" +
  76 "Currently the only console platform supported is Posix (tested on\n" +
  77 "Linux).  Input/output is handled through terminal escape sequences\n" +
  78 "generated by the library itself: ncurses is not required or linked to. \n" +
  79 "xterm mouse tracking using UTF8 coordinates is supported.\n" +
  80 "\n" +
  81 "This library is licensed LGPL (\"GNU Lesser General Public License\")\n" +
  82 "version 3 or greater.  See the file COPYING for the full license text,\n" +
  83 "which includes both the GPL v3 and the LGPL supplemental terms.\n" +
  84 "\n");
  85
  86     }
  87
  88     /**
  89      * Handle window/screen resize events.
  90      *
  91      * @param event resize event
  92      */
  93     @Override
  94     public void onResize(final TResizeEvent event) {
  95         if (event.getType() == TResizeEvent.Type.WIDGET) {
  96             // Resize the text field
  97             textField.setWidth(event.getWidth() - 4);
  98             textField.setHeight(event.getHeight() - 4);
  99             textField.reflow();
 100             return;
 101         }
 102
 103         // Pass to children instead
 104         for (TWidget widget: getChildren()) {
 105             widget.onResize(event);
 106         }
 107     }
 108 }
 109