зеркало из https://github.com/mozilla/gecko-dev.git
56 строки
2.2 KiB
C++
56 строки
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_widget_ScrollbarDrawingWin_h
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#define mozilla_widget_ScrollbarDrawingWin_h
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#include "nsITheme.h"
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#include "nsNativeTheme.h"
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#include "ScrollbarDrawing.h"
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namespace mozilla::widget {
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class ScrollbarDrawingWin : public ScrollbarDrawing {
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protected:
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explicit ScrollbarDrawingWin(Kind aKind) : ScrollbarDrawing(aKind) {}
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public:
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ScrollbarDrawingWin() : ScrollbarDrawingWin(Kind::Win10) {}
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virtual ~ScrollbarDrawingWin() = default;
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LayoutDeviceIntSize GetMinimumWidgetSize(nsPresContext*,
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StyleAppearance aAppearance,
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nsIFrame* aFrame) override;
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Maybe<nsITheme::Transparency> GetScrollbarPartTransparency(
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nsIFrame* aFrame, StyleAppearance aAppearance) override;
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template <typename PaintBackendData>
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bool DoPaintScrollbarThumb(PaintBackendData&, const LayoutDeviceRect&,
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ScrollbarKind, nsIFrame*, const ComputedStyle&,
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const ElementState& aElementState,
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const DocumentState& aDocumentState, const Colors&,
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const DPIRatio&);
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bool PaintScrollbarThumb(DrawTarget&, const LayoutDeviceRect&, ScrollbarKind,
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nsIFrame*, const ComputedStyle&,
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const ElementState& aElementState,
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const DocumentState& aDocumentState, const Colors&,
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const DPIRatio&) override;
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bool PaintScrollbarThumb(WebRenderBackendData&, const LayoutDeviceRect&,
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ScrollbarKind, nsIFrame*, const ComputedStyle&,
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const ElementState& aElementState,
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const DocumentState& aDocumentState, const Colors&,
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const DPIRatio&) override;
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void RecomputeScrollbarParams() override;
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};
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static constexpr uint32_t kDefaultWinScrollbarSize = 17;
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} // namespace mozilla::widget
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#endif
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