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2efc78cc24
Added a Paragraph.didExceedMaxLines property to query when this occurs. Needed for https://github.com/flutter/flutter/issues/7271
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_LIB_UI_TEXT_PARAGRAPH_H_
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#define FLUTTER_LIB_UI_TEXT_PARAGRAPH_H_
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#include "flutter/lib/ui/painting/canvas.h"
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#include "flutter/lib/ui/text/text_box.h"
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#include "flutter/sky/engine/core/rendering/RenderView.h"
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#include "lib/tonic/dart_wrappable.h"
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namespace tonic {
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class DartLibraryNatives;
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} // namespace tonic
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namespace blink {
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class Paragraph : public ftl::RefCountedThreadSafe<Paragraph>,
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public tonic::DartWrappable {
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DEFINE_WRAPPERTYPEINFO();
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FRIEND_MAKE_REF_COUNTED(Paragraph);
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public:
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static ftl::RefPtr<Paragraph> create(PassOwnPtr<RenderView> renderView) {
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return ftl::MakeRefCounted<Paragraph>(renderView);
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}
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~Paragraph() override;
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double width();
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double height();
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double minIntrinsicWidth();
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double maxIntrinsicWidth();
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double alphabeticBaseline();
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double ideographicBaseline();
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bool didExceedMaxLines();
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void layout(double width);
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void paint(Canvas* canvas, double x, double y);
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std::vector<TextBox> getRectsForRange(unsigned start, unsigned end);
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Dart_Handle getPositionForOffset(double dx, double dy);
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Dart_Handle getWordBoundary(unsigned offset);
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RenderView* renderView() const { return m_renderView.get(); }
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static void RegisterNatives(tonic::DartLibraryNatives* natives);
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private:
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RenderBox* firstChildBox() const { return m_renderView->firstChildBox(); }
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int absoluteOffsetForPosition(const PositionWithAffinity& position);
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explicit Paragraph(PassOwnPtr<RenderView> renderView);
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OwnPtr<RenderView> m_renderView;
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};
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} // namespace blink
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#endif // FLUTTER_LIB_UI_TEXT_PARAGRAPH_H_
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