juicysfplugin/modules/juce_gui_basics/buttons/juce_ShapeButton.cpp

137 lines
4.3 KiB
C++

/*
==============================================================================
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.
==============================================================================
*/
namespace juce
{
ShapeButton::ShapeButton (const String& t, Colour n, Colour o, Colour d)
: Button (t),
normalColour (n), overColour (o), downColour (d),
normalColourOn (n), overColourOn (o), downColourOn (d),
useOnColours(false),
maintainShapeProportions (false),
outlineWidth (0.0f)
{
}
ShapeButton::~ShapeButton() {}
void ShapeButton::setColours (Colour newNormalColour, Colour newOverColour, Colour newDownColour)
{
normalColour = newNormalColour;
overColour = newOverColour;
downColour = newDownColour;
}
void ShapeButton::setOnColours (Colour newNormalColourOn, Colour newOverColourOn, Colour newDownColourOn)
{
normalColourOn = newNormalColourOn;
overColourOn = newOverColourOn;
downColourOn = newDownColourOn;
}
void ShapeButton::shouldUseOnColours (bool shouldUse)
{
useOnColours = shouldUse;
}
void ShapeButton::setOutline (Colour newOutlineColour, const float newOutlineWidth)
{
outlineColour = newOutlineColour;
outlineWidth = newOutlineWidth;
}
void ShapeButton::setBorderSize (BorderSize<int> newBorder)
{
border = newBorder;
}
void ShapeButton::setShape (const Path& newShape,
const bool resizeNowToFitThisShape,
const bool maintainShapeProportions_,
const bool hasShadow)
{
shape = newShape;
maintainShapeProportions = maintainShapeProportions_;
shadow.setShadowProperties (DropShadow (Colours::black.withAlpha (0.5f), 3, Point<int>()));
setComponentEffect (hasShadow ? &shadow : nullptr);
if (resizeNowToFitThisShape)
{
Rectangle<float> newBounds (shape.getBounds());
if (hasShadow)
newBounds = newBounds.expanded (4.0f);
shape.applyTransform (AffineTransform::translation (-newBounds.getX(),
-newBounds.getY()));
setSize (1 + (int) (newBounds.getWidth() + outlineWidth) + border.getLeftAndRight(),
1 + (int) (newBounds.getHeight() + outlineWidth) + border.getTopAndBottom());
}
repaint();
}
void ShapeButton::paintButton (Graphics& g, bool isMouseOverButton, bool isButtonDown)
{
if (! isEnabled())
{
isMouseOverButton = false;
isButtonDown = false;
}
Rectangle<float> r (border.subtractedFrom (getLocalBounds()).toFloat().reduced (outlineWidth * 0.5f));
if (getComponentEffect() != nullptr)
r = r.reduced (2.0f);
if (isButtonDown)
{
const float sizeReductionWhenPressed = 0.04f;
r = r.reduced (sizeReductionWhenPressed * r.getWidth(),
sizeReductionWhenPressed * r.getHeight());
}
const AffineTransform trans (shape.getTransformToScaleToFit (r, maintainShapeProportions));
if (isButtonDown) g.setColour (getToggleState() && useOnColours ? downColourOn : downColour);
else if (isMouseOverButton) g.setColour (getToggleState() && useOnColours ? overColourOn : overColour);
else g.setColour (getToggleState() && useOnColours ? normalColourOn : normalColour);
g.fillPath (shape, trans);
if (outlineWidth > 0.0f)
{
g.setColour (outlineColour);
g.strokePath (shape, PathStrokeType (outlineWidth), trans);
}
}
} // namespace juce