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/*
* Copyright (C) 2015, 2020 Igalia S.L.
* Copyright (C) 2023 Apple Inc. All rights reserved.
* Copyright (C) 2024 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "Adwaita.h"
#if USE(THEME_ADWAITA)
#include "GraphicsContext.h"
#include "ThemeAdwaita.h"
namespace WebCore::Adwaita {
static inline float getRectRadius(const FloatRect& rect, int offset)
{
return (std::min(rect.width(), rect.height()) + offset) / 2;
}
void paintFocus(GraphicsContext& graphicsContext, const FloatRect& rect, int offset, const Color& color, PaintRounded rounded)
{
FloatRect focusRect = rect;
focusRect.inflate(offset);
float radius = (rounded == PaintRounded::Yes) ? getRectRadius(rect, offset) : 2;
Path path;
path.addRoundedRect(focusRect, { radius, radius });
paintFocus(graphicsContext, path, color);
}
void paintFocus(GraphicsContext& graphicsContext, const Path& path, const Color& color)
{
GraphicsContextStateSaver stateSaver(graphicsContext);
graphicsContext.beginTransparencyLayer(color.alphaAsFloat());
// Since we cut off a half of it by erasing the rect contents, and half
// of the stroke ends up inside that area, it needs to be twice as thick.
graphicsContext.setStrokeThickness(focusLineWidth * 2);
graphicsContext.setLineCap(LineCap::Round);
graphicsContext.setLineJoin(LineJoin::Round);
graphicsContext.setStrokeColor(color.opaqueColor());
graphicsContext.strokePath(path);
graphicsContext.setFillRule(WindRule::NonZero);
graphicsContext.setCompositeOperation(CompositeOperator::Clear);
graphicsContext.fillPath(path);
graphicsContext.setCompositeOperation(CompositeOperator::SourceOver);
graphicsContext.endTransparencyLayer();
}
void paintFocus(GraphicsContext& graphicsContext, const Vector<FloatRect>& rects, const Color& color, PaintRounded rounded)
{
Path path;
for (const auto& rect : rects) {
float radius = (rounded == PaintRounded::Yes) ? getRectRadius(rect, 0) : 2;
path.addRoundedRect(rect, { radius, radius });
}
paintFocus(graphicsContext, path, color);
}
void paintArrow(GraphicsContext& graphicsContext, const FloatRect& rect, ArrowDirection direction, bool useDarkAppearance)
{
auto offset = rect.location();
float size;
if (rect.width() > rect.height()) {
size = rect.height();
offset.move((rect.width() - size) / 2, 0);
} else {
size = rect.width();
offset.move(0, (rect.height() - size) / 2);
}
float zoomFactor = size / arrowSize;
auto transform = [&](FloatPoint point) {
point.scale(zoomFactor);
point.moveBy(offset);
return point;
};
Path path;
switch (direction) {
case ArrowDirection::Down:
path.moveTo(transform({ 3, 6 }));
path.addLineTo(transform({ 13, 6 }));
path.addLineTo(transform({ 8, 11 }));
break;
case ArrowDirection::Up:
path.moveTo(transform({ 3, 10 }));
path.addLineTo(transform({ 8, 5 }));
path.addLineTo(transform({ 13, 10 }));
break;
}
path.closeSubpath();
graphicsContext.setFillColor(useDarkAppearance ? arrowColorDark : arrowColorLight);
graphicsContext.fillPath(path);
}
Color systemAccentColor()
{
return static_cast<ThemeAdwaita&>(Theme::singleton()).accentColor();
}
Color systemFocusRingColor()
{
return focusColor(systemAccentColor());
}
} // namespace WebCore::Adwaita
#endif // USE(THEME_ADWAITA)
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