JUCE/extras/Projucer/Source/ComponentEditor/jucer_UtilityFunctions.h

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2017 - ROLI Ltd.

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 5 End-User License
   Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
   27th April 2017).

   End User License Agreement: www.juce.com/juce-5-licence
   Privacy Policy: www.juce.com/juce-5-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#pragma once

inline String quotedString (const String& s, bool wrapInTransMacro)
{
    const int embeddedIndex = s.indexOfIgnoreCase ("%%");

    if (embeddedIndex >= 0)
    {
        String s1 (s.substring (0, embeddedIndex));
        String s2 (s.substring (embeddedIndex + 2));
        String code;

        const int closeIndex = s2.indexOf ("%%");

        if (closeIndex > 0)
        {
            code = s2.substring (0, closeIndex).trim();
            s2 = s2.substring (closeIndex + 2);
        }

        if (code.isNotEmpty())
        {
            String result;

            if (s1.isNotEmpty())
                result << quotedString (s1, wrapInTransMacro) << " + ";

            result << code;

            if (s2.isNotEmpty())
                result << " + " << quotedString (s2, wrapInTransMacro);

            return result;
        }
    }

    String lit (CodeHelpers::stringLiteral (s));

    if (wrapInTransMacro && lit.startsWithChar ('"'))
        return "TRANS(" + lit + ")";

    return lit;
}

inline String castToFloat (const String& expression)
{
    if (expression.containsOnly ("0123456789.f"))
    {
        String s (expression.getFloatValue());

        if (s.containsChar ('.'))
            return s + "f";

        return s + ".0f";
    }

    return "static_cast<float> (" + expression + ")";
}

inline void drawResizableBorder (Graphics& g, int w, int h,
                                 const BorderSize<int> borderSize,
                                 const bool isMouseOver,
                                 Colour borderColour)
{
    g.setColour (borderColour.withAlpha (isMouseOver ? 0.6f : 0.5f));

    g.fillRect (0, 0, w, borderSize.getTop());
    g.fillRect (0, 0, borderSize.getLeft(), h);
    g.fillRect (0, h - borderSize.getBottom(), w, borderSize.getBottom());
    g.fillRect (w - borderSize.getRight(), 0, borderSize.getRight(), h);

    g.drawRect (borderSize.getLeft() - 1, borderSize.getTop() - 1,
                w - borderSize.getRight() - borderSize.getLeft() + 2,
                h - borderSize.getTop() - borderSize.getBottom() + 2);
}

inline void drawMouseOverCorners (Graphics& g, int w, int h)
{
    RectangleList<int> r (Rectangle<int> (0, 0, w, h));
    r.subtract (Rectangle<int> (1, 1, w - 2, h - 2));

    const int size = jmin (w / 3, h / 3, 12);
    r.subtract (Rectangle<int> (size, 0, w - size - size, h));
    r.subtract (Rectangle<int> (0, size, w, h - size - size));

    g.setColour (Colours::black);

    for (int i = r.getNumRectangles(); --i >= 0;)
        g.fillRect (r.getRectangle (i));
}