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