paulxstretch/deps/juce/examples/GUI/CodeEditorDemo.h

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/*
==============================================================================
This file is part of the JUCE examples.
Copyright (c) 2020 - Raw Material Software Limited
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES,
WHETHER EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR
PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
/*******************************************************************************
The block below describes the properties of this PIP. A PIP is a short snippet
of code that can be read by the Projucer and used to generate a JUCE project.
BEGIN_JUCE_PIP_METADATA
name: CodeEditorDemo
version: 1.0.0
vendor: JUCE
website: http://juce.com
description: Displays a code editor.
dependencies: juce_core, juce_data_structures, juce_events, juce_graphics,
juce_gui_basics, juce_gui_extra
exporters: xcode_mac, vs2019, linux_make, xcode_iphone
moduleFlags: JUCE_STRICT_REFCOUNTEDPOINTER=1
type: Component
mainClass: CodeEditorDemo
useLocalCopy: 1
END_JUCE_PIP_METADATA
*******************************************************************************/
#pragma once
#include "../Assets/DemoUtilities.h"
#if JUCE_ANDROID
#error "This demo is not supported on Android!"
#endif
//==============================================================================
class CodeEditorDemo : public Component,
private FilenameComponentListener
{
public:
CodeEditorDemo()
{
setOpaque (true);
// Create the editor..
editor.reset (new CodeEditorComponent (codeDocument, &cppTokeniser));
addAndMakeVisible (editor.get());
editor->loadContent ("\n"
"/* Code editor demo!\n"
"\n"
" To see a real-world example of the code editor\n"
" in action, have a look at the Projucer!\n"
"\n"
"*/\n"
"\n");
// Create a file chooser control to load files into it..
addAndMakeVisible (fileChooser);
fileChooser.addListener (this);
lookAndFeelChanged();
setSize (500, 500);
}
~CodeEditorDemo() override
{
fileChooser.removeListener (this);
}
void paint (Graphics& g) override
{
g.fillAll (getUIColourIfAvailable (LookAndFeel_V4::ColourScheme::UIColour::windowBackground,
Colours::lightgrey));
}
void resized() override
{
auto r = getLocalBounds().reduced (8);
fileChooser.setBounds (r.removeFromTop (25));
editor->setBounds (r.withTrimmedTop (8));
}
private:
// this is the document that the editor component is showing
CodeDocument codeDocument;
// this is a tokeniser to apply the C++ syntax highlighting
CPlusPlusCodeTokeniser cppTokeniser;
// the editor component
std::unique_ptr<CodeEditorComponent> editor;
FilenameComponent fileChooser { "File", {}, true, false, false, "*.cpp;*.h;*.hpp;*.c;*.mm;*.m", {},
"Choose a C++ file to open it in the editor" };
//==============================================================================
void filenameComponentChanged (FilenameComponent*) override
{
editor->loadContent (fileChooser.getCurrentFile().loadFileAsString());
}
void lookAndFeelChanged() override
{
if (auto* v4 = dynamic_cast<LookAndFeel_V4*> (&LookAndFeel::getDefaultLookAndFeel()))
{
auto useLight = v4->getCurrentColourScheme() == LookAndFeel_V4::getLightColourScheme();
editor->setColourScheme (useLight ? getLightCodeEditorColourScheme()
: getDarkCodeEditorColourScheme());
}
else
{
editor->setColourScheme (cppTokeniser.getDefaultColourScheme());
}
}
CodeEditorComponent::ColourScheme getDarkCodeEditorColourScheme()
{
struct Type
{
const char* name;
juce::uint32 colour;
};
const Type types[] =
{
{ "Error", 0xffe60000 },
{ "Comment", 0xff72d20c },
{ "Keyword", 0xffee6f6f },
{ "Operator", 0xffc4eb19 },
{ "Identifier", 0xffcfcfcf },
{ "Integer", 0xff42c8c4 },
{ "Float", 0xff885500 },
{ "String", 0xffbc45dd },
{ "Bracket", 0xff058202 },
{ "Punctuation", 0xffcfbeff },
{ "Preprocessor Text", 0xfff8f631 }
};
CodeEditorComponent::ColourScheme cs;
for (auto& t : types)
cs.set (t.name, Colour (t.colour));
return cs;
}
CodeEditorComponent::ColourScheme getLightCodeEditorColourScheme()
{
struct Type
{
const char* name;
juce::uint32 colour;
};
const Type types[] =
{
{ "Error", 0xffcc0000 },
{ "Comment", 0xff00aa00 },
{ "Keyword", 0xff0000cc },
{ "Operator", 0xff225500 },
{ "Identifier", 0xff000000 },
{ "Integer", 0xff880000 },
{ "Float", 0xff885500 },
{ "String", 0xff990099 },
{ "Bracket", 0xff000055 },
{ "Punctuation", 0xff004400 },
{ "Preprocessor Text", 0xff660000 }
};
CodeEditorComponent::ColourScheme cs;
for (auto& t : types)
cs.set (t.name, Colour (t.colour));
return cs;
}
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (CodeEditorDemo)
};