juce/source/extras/JuceDemo/Source/demos/CodeEditorDemo.cpp

   1 /*
   2   ==============================================================================
   3
   4    This file is part of the JUCE library - "Jules' Utility Class Extensions"
   5    Copyright 2004-9 by Raw Material Software Ltd.
   6
   7   ------------------------------------------------------------------------------
   8
   9    JUCE can be redistributed and/or modified under the terms of the GNU General
  10    Public License (Version 2), as published by the Free Software Foundation.
  11    A copy of the license is included in the JUCE distribution, or can be found
  12    online at www.gnu.org/licenses.
  13
  14    JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
  15    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
  16    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
  17
  18   ------------------------------------------------------------------------------
  19
  20    To release a closed-source product which uses JUCE, commercial licenses are
  21    available: visit www.rawmaterialsoftware.com/juce for more information.
  22
  23   ==============================================================================
  24 */
  25
  26 #include "../jucedemo_headers.h"
  27
  28
  29 //==============================================================================
  30 class CodeEditorDemo   : public Component,
  31                          public FilenameComponentListener
  32 {
  33 public:
  34     //==============================================================================
  35     CodeEditorDemo()
  36         : fileChooser ("File", File::nonexistent, true, false, false,
  37                        "*.cpp;*.h;*.hpp;*.c;*.mm;*.m", String::empty,
  38                        "Choose a C++ file to open it in the editor")
  39     {
  40         setName ("Code Editor");
  41         setOpaque (true);
  42
  43         // Create the editor..
  44         addAndMakeVisible (editor = new CodeEditorComponent (codeDocument, &cppTokeniser));
  45         editor->loadContent ("\n\n/* Code editor demo! Please be gentle, this component is still an alpha version! */\n\n");
  46
  47         // Create a file chooser control to load files into it..
  48         addAndMakeVisible (&fileChooser);
  49         fileChooser.addListener (this);
  50     }
  51
  52     ~CodeEditorDemo()
  53     {
  54     }
  55
  56     void filenameComponentChanged (FilenameComponent*)
  57     {
  58         editor->loadContent (fileChooser.getCurrentFile().loadFileAsString());
  59     }
  60
  61     void paint (Graphics& g)
  62     {
  63         g.fillAll (Colours::lightgrey);
  64     }
  65
  66     void resized()
  67     {
  68         editor->setBounds (10, 45, getWidth() - 20, getHeight() - 55);
  69         fileChooser.setBounds (10, 10, getWidth() - 20, 25);
  70     }
  71
  72 private:
  73     // this is the document that the editor component is showing
  74     CodeDocument codeDocument;
  75
  76     // this is a tokeniser to do the c++ syntax highlighting
  77     CPlusPlusCodeTokeniser cppTokeniser;
  78
  79     // the editor component
  80     ScopedPointer<CodeEditorComponent> editor;
  81
  82     FilenameComponent fileChooser;
  83
  84     JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CodeEditorDemo);
  85 };
  86
  87
  88 //==============================================================================
  89 Component* createCodeEditorDemo()
  90 {
  91     return new CodeEditorDemo();
  92 }