From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- widget/gtk/nsNativeThemeGTK.h | 118 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 widget/gtk/nsNativeThemeGTK.h (limited to 'widget/gtk/nsNativeThemeGTK.h') diff --git a/widget/gtk/nsNativeThemeGTK.h b/widget/gtk/nsNativeThemeGTK.h new file mode 100644 index 0000000000..e5ef11c295 --- /dev/null +++ b/widget/gtk/nsNativeThemeGTK.h @@ -0,0 +1,118 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef _GTK_NSNATIVETHEMEGTK_H_ +#define _GTK_NSNATIVETHEMEGTK_H_ + +#include "nsITheme.h" +#include "nsCOMPtr.h" +#include "nsAtom.h" +#include "Theme.h" + +#include +#include "gtkdrawing.h" + +class nsNativeThemeGTK final : public mozilla::widget::Theme { + using Theme = mozilla::widget::Theme; + + public: + // The nsITheme interface. + NS_IMETHOD DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame, + StyleAppearance aAppearance, + const nsRect& aRect, const nsRect& aDirtyRect, + DrawOverflow) override; + + bool CreateWebRenderCommandsForWidget( + mozilla::wr::DisplayListBuilder& aBuilder, + mozilla::wr::IpcResourceUpdateQueue& aResources, + const mozilla::layers::StackingContextHelper& aSc, + mozilla::layers::RenderRootStateManager* aManager, nsIFrame*, + StyleAppearance, const nsRect& aRect) override; + + [[nodiscard]] LayoutDeviceIntMargin GetWidgetBorder( + nsDeviceContext* aContext, nsIFrame* aFrame, + StyleAppearance aAppearance) override; + + bool GetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame, + StyleAppearance aAppearance, + LayoutDeviceIntMargin* aResult) override; + + bool GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame, + StyleAppearance aAppearance, + nsRect* aOverflowRect) override; + + // Whether we draw a non-native widget. + // + // We always draw scrollbars as non-native so that all of Firefox has + // consistent scrollbar styles both in chrome and content (plus, the + // non-native scrollbars support scrollbar-width, auto-darkening...). + // + // We draw other widgets as non-native when their color-scheme doesn't match + // the current GTK theme's color-scheme. We do that because frequently + // switching GTK themes at runtime is prohibitively expensive. In that case + // (`BecauseColorMismatch`) we don't call into the non-native theme for sizing + // information (GetWidgetPadding/Border and GetMinimumWidgetSize), to avoid + // subtle sizing changes. The non-native theme can basically draw at any size, + // so we prefer to have consistent sizing information. + enum class NonNative { No, Always, BecauseColorMismatch }; + NonNative IsWidgetNonNative(nsIFrame*, StyleAppearance); + + mozilla::LayoutDeviceIntSize GetMinimumWidgetSize( + nsPresContext* aPresContext, nsIFrame* aFrame, + StyleAppearance aAppearance) override; + + NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, StyleAppearance aAppearance, + nsAtom* aAttribute, bool* aShouldRepaint, + const nsAttrValue* aOldValue) override; + + NS_IMETHOD ThemeChanged() override; + + NS_IMETHOD_(bool) + ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame, + StyleAppearance aAppearance) override; + + NS_IMETHOD_(bool) WidgetIsContainer(StyleAppearance aAppearance) override; + + bool ThemeDrawsFocusForWidget(nsIFrame*, StyleAppearance) override; + + bool ThemeNeedsComboboxDropmarker() override; + Transparency GetWidgetTransparency(nsIFrame*, StyleAppearance) override; + + nsNativeThemeGTK(); + + protected: + virtual ~nsNativeThemeGTK(); + + private: + GtkTextDirection GetTextDirection(nsIFrame* aFrame); + gint GetTabMarginPixels(nsIFrame* aFrame); + bool GetGtkWidgetAndState(StyleAppearance aAppearance, nsIFrame* aFrame, + WidgetNodeType& aGtkWidgetType, + GtkWidgetState* aState, gint* aWidgetFlags); + mozilla::CSSIntMargin GetExtraSizeForWidget(nsIFrame*, StyleAppearance); + bool IsWidgetVisible(StyleAppearance aAppearance); + + void RefreshWidgetWindow(nsIFrame* aFrame); + WidgetNodeType NativeThemeToGtkTheme(StyleAppearance aAppearance, + nsIFrame* aFrame); + + uint8_t mDisabledWidgetTypes + [(static_cast(mozilla::StyleAppearance::Count) + 7) / 8]; + uint8_t + mSafeWidgetStates[static_cast(mozilla::StyleAppearance::Count) * + 4]; // 32 bits per widget + static const char* sDisabledEngines[]; + + // Because moz_gtk_get_widget_border can be slow, we cache its results + // by widget type. Each bit in mBorderCacheValid says whether the + // corresponding entry in mBorderCache is valid. + mozilla::CSSIntMargin GetCachedWidgetBorder(nsIFrame* aFrame, + StyleAppearance aAppearance, + GtkTextDirection aDirection); + uint8_t mBorderCacheValid[(MOZ_GTK_WIDGET_NODE_COUNT + 7) / 8]; + mozilla::CSSIntMargin mBorderCache[MOZ_GTK_WIDGET_NODE_COUNT]; +}; + +#endif -- cgit v1.2.3