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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2022 - Raw Material Software Limited
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 7 End-User License
Agreement and JUCE Privacy Policy.
End User License Agreement: www.juce.com/juce-7-licence
Privacy Policy: www.juce.com/juce-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
//==============================================================================
class IconButton : public Button
{
public:
IconButton (String buttonName, Image imageToDisplay)
: Button (buttonName),
iconImage (imageToDisplay)
{
setTooltip (buttonName);
}
IconButton (String buttonName, Path pathToDisplay)
: Button (buttonName),
iconPath (pathToDisplay),
iconImage (createImageFromPath (iconPath))
{
setTooltip (buttonName);
}
void setImage (Image newImage)
{
iconImage = newImage;
repaint();
}
void setPath (Path newPath)
{
iconImage = createImageFromPath (newPath);
repaint();
}
void setBackgroundColour (Colour backgroundColourToUse)
{
backgroundColour = backgroundColourToUse;
usingNonDefaultBackgroundColour = true;
}
void setIconInset (int newIconInset)
{
iconInset = newIconInset;
repaint();
}
void paintButton (Graphics& g, bool isMouseOverButton, bool isButtonDown) override
{
float alpha = 1.0f;
if (! isEnabled())
{
isMouseOverButton = false;
isButtonDown = false;
alpha = 0.2f;
}
auto fill = isButtonDown ? backgroundColour.darker (0.5f)
: isMouseOverButton ? backgroundColour.darker (0.2f)
: backgroundColour;
auto bounds = getLocalBounds();
if (isButtonDown)
bounds.reduce (2, 2);
Path ellipse;
ellipse.addEllipse (bounds.toFloat());
g.reduceClipRegion (ellipse);
g.setColour (fill.withAlpha (alpha));
g.fillAll();
g.setOpacity (alpha);
g.drawImage (iconImage, bounds.reduced (iconInset).toFloat(), RectanglePlacement::fillDestination, false);
}
private:
void lookAndFeelChanged() override
{
if (! usingNonDefaultBackgroundColour)
backgroundColour = findColour (defaultButtonBackgroundColourId);
if (iconPath != Path())
iconImage = createImageFromPath (iconPath);
repaint();
}
Image createImageFromPath (Path path)
{
Image image (Image::ARGB, 250, 250, true);
Graphics g (image);
g.setColour (findColour (defaultIconColourId));
g.fillPath (path, RectanglePlacement (RectanglePlacement::centred)
.getTransformToFit (path.getBounds(), image.getBounds().toFloat()));
return image;
}
Path iconPath;
Image iconImage;
Colour backgroundColour { findColour (defaultButtonBackgroundColourId) };
bool usingNonDefaultBackgroundColour = false;
int iconInset = 2;
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (IconButton)
};
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