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fce484c34f
Rounding in layout pixels is very close to snapping in raster pixels if there are no transforms involved. This is why it worked most of the time and fell flat in many edge cases. In future parts of this series, we will trust scene building and frame building to do the heavy lifting for snapping purposes. Differential Revision: https://phabricator.services.mozilla.com/D45058 --HG-- extra : moz-landing-system : lando
2061 lines
77 KiB
C++
2061 lines
77 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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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#include "nsNativeThemeGTK.h"
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#include "HeadlessThemeGTK.h"
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#include "nsStyleConsts.h"
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#include "gtkdrawing.h"
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#include "ScreenHelperGTK.h"
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#include "gfx2DGlue.h"
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#include "nsIObserverService.h"
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#include "nsIServiceManager.h"
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#include "nsIFrame.h"
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#include "nsIContent.h"
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#include "nsViewManager.h"
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#include "nsNameSpaceManager.h"
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#include "nsGfxCIID.h"
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#include "nsTransform2D.h"
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#include "nsMenuFrame.h"
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#include "tree/nsTreeBodyFrame.h"
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#include "prlink.h"
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#include "nsGkAtoms.h"
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#include "nsAttrValueInlines.h"
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#include "mozilla/dom/HTMLInputElement.h"
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#include "mozilla/ClearOnShutdown.h"
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#include "mozilla/EventStates.h"
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#include "mozilla/Services.h"
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#include <gdk/gdkprivate.h>
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#include <gtk/gtk.h>
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#include <gtk/gtkx.h>
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#include "gfxContext.h"
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#include "gfxPlatformGtk.h"
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#include "gfxGdkNativeRenderer.h"
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#include "mozilla/gfx/BorrowedContext.h"
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#include "mozilla/gfx/HelpersCairo.h"
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#include "mozilla/gfx/PathHelpers.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/layers/StackingContextHelper.h"
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#include "mozilla/StaticPrefs_layout.h"
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#include "mozilla/StaticPrefs_widget.h"
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#include "nsWindow.h"
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#ifdef MOZ_X11
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# ifdef CAIRO_HAS_XLIB_SURFACE
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# include "cairo-xlib.h"
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# endif
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# ifdef CAIRO_HAS_XLIB_XRENDER_SURFACE
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# include "cairo-xlib-xrender.h"
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# endif
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#endif
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#include <algorithm>
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#include <dlfcn.h>
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using namespace mozilla;
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using namespace mozilla::gfx;
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using namespace mozilla::widget;
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using mozilla::dom::HTMLInputElement;
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NS_IMPL_ISUPPORTS_INHERITED(nsNativeThemeGTK, nsNativeTheme, nsITheme,
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nsIObserver)
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static int gLastGdkError;
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// Return scale factor of the monitor where the window is located
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// by the most part or layout.css.devPixelsPerPx pref if set to > 0.
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static inline gint GetMonitorScaleFactor(nsIFrame* aFrame) {
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// When the layout.css.devPixelsPerPx is set the scale can be < 1,
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// the real monitor scale cannot go under 1.
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double scale = StaticPrefs::layout_css_devPixelsPerPx();
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if (scale <= 0) {
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nsIWidget* rootWidget = aFrame->PresContext()->GetRootWidget();
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if (rootWidget) {
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// We need to use GetDefaultScale() despite it returns monitor scale
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// factor multiplied by font scale factor because it is the only scale
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// updated in nsPuppetWidget.
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// Since we don't want to apply font scale factor for UI elements
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// (because GTK does not do so) we need to remove that from returned
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// value. The computed monitor scale factor needs to be rounded before
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// casting to integer to avoid rounding errors which would lead to
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// returning 0.
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int monitorScale = int(round(rootWidget->GetDefaultScale().scale /
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gfxPlatformGtk::GetFontScaleFactor()));
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// Monitor scale can be negative if it has not been initialized in the
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// puppet widget yet. We also make sure that we return positive value.
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if (monitorScale < 1) {
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return 1;
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}
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return monitorScale;
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}
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}
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// Use monitor scaling factor where devPixelsPerPx is set
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return ScreenHelperGTK::GetGTKMonitorScaleFactor();
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}
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nsNativeThemeGTK::nsNativeThemeGTK() {
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if (moz_gtk_init() != MOZ_GTK_SUCCESS) {
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memset(mDisabledWidgetTypes, 0xff, sizeof(mDisabledWidgetTypes));
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return;
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}
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// We have to call moz_gtk_shutdown before the event loop stops running.
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nsCOMPtr<nsIObserverService> obsServ =
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mozilla::services::GetObserverService();
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obsServ->AddObserver(this, "xpcom-shutdown", false);
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ThemeChanged();
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}
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nsNativeThemeGTK::~nsNativeThemeGTK() {}
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NS_IMETHODIMP
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nsNativeThemeGTK::Observe(nsISupports* aSubject, const char* aTopic,
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const char16_t* aData) {
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if (!nsCRT::strcmp(aTopic, "xpcom-shutdown")) {
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moz_gtk_shutdown();
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} else {
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MOZ_ASSERT_UNREACHABLE("unexpected topic");
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return NS_ERROR_UNEXPECTED;
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}
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return NS_OK;
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}
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void nsNativeThemeGTK::RefreshWidgetWindow(nsIFrame* aFrame) {
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MOZ_ASSERT(aFrame);
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MOZ_ASSERT(aFrame->PresShell());
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nsViewManager* vm = aFrame->PresShell()->GetViewManager();
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if (!vm) {
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return;
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}
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vm->InvalidateAllViews();
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}
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static bool IsFrameContentNodeInNamespace(nsIFrame* aFrame,
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uint32_t aNamespace) {
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nsIContent* content = aFrame ? aFrame->GetContent() : nullptr;
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if (!content) return false;
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return content->IsInNamespace(aNamespace);
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}
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static bool IsWidgetTypeDisabled(const uint8_t* aDisabledVector,
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StyleAppearance aAppearance) {
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auto type = static_cast<size_t>(aAppearance);
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MOZ_ASSERT(type < static_cast<size_t>(mozilla::StyleAppearance::Count));
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return (aDisabledVector[type >> 3] & (1 << (type & 7))) != 0;
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}
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static void SetWidgetTypeDisabled(uint8_t* aDisabledVector,
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StyleAppearance aAppearance) {
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auto type = static_cast<size_t>(aAppearance);
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MOZ_ASSERT(type < static_cast<size_t>(mozilla::StyleAppearance::Count));
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aDisabledVector[type >> 3] |= (1 << (type & 7));
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}
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static inline uint16_t GetWidgetStateKey(StyleAppearance aAppearance,
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GtkWidgetState* aWidgetState) {
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return (aWidgetState->active | aWidgetState->focused << 1 |
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aWidgetState->inHover << 2 | aWidgetState->disabled << 3 |
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aWidgetState->isDefault << 4 |
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static_cast<uint16_t>(aAppearance) << 5);
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}
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static bool IsWidgetStateSafe(uint8_t* aSafeVector, StyleAppearance aAppearance,
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GtkWidgetState* aWidgetState) {
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MOZ_ASSERT(static_cast<size_t>(aAppearance) <
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static_cast<size_t>(mozilla::StyleAppearance::Count));
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uint16_t key = GetWidgetStateKey(aAppearance, aWidgetState);
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return (aSafeVector[key >> 3] & (1 << (key & 7))) != 0;
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}
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static void SetWidgetStateSafe(uint8_t* aSafeVector,
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StyleAppearance aAppearance,
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GtkWidgetState* aWidgetState) {
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MOZ_ASSERT(static_cast<size_t>(aAppearance) <
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static_cast<size_t>(mozilla::StyleAppearance::Count));
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uint16_t key = GetWidgetStateKey(aAppearance, aWidgetState);
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aSafeVector[key >> 3] |= (1 << (key & 7));
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}
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/* static */
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GtkTextDirection nsNativeThemeGTK::GetTextDirection(nsIFrame* aFrame) {
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// IsFrameRTL() treats vertical-rl modes as right-to-left (in addition to
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// horizontal text with direction=RTL), rather than just considering the
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// text direction. GtkTextDirection does not have distinct values for
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// vertical writing modes, but considering the block flow direction is
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// important for resizers and scrollbar elements, at least.
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return IsFrameRTL(aFrame) ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR;
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}
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// Returns positive for negative margins (otherwise 0).
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gint nsNativeThemeGTK::GetTabMarginPixels(nsIFrame* aFrame) {
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nscoord margin = IsBottomTab(aFrame) ? aFrame->GetUsedMargin().top
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: aFrame->GetUsedMargin().bottom;
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return std::min<gint>(
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MOZ_GTK_TAB_MARGIN_MASK,
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std::max(0, aFrame->PresContext()->AppUnitsToDevPixels(-margin)));
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}
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static bool ShouldScrollbarButtonBeDisabled(int32_t aCurpos, int32_t aMaxpos,
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StyleAppearance aAppearance) {
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return (
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(aCurpos == 0 && (aAppearance == StyleAppearance::ScrollbarbuttonUp ||
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aAppearance == StyleAppearance::ScrollbarbuttonLeft)) ||
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(aCurpos == aMaxpos &&
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(aAppearance == StyleAppearance::ScrollbarbuttonDown ||
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aAppearance == StyleAppearance::ScrollbarbuttonRight)));
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}
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bool nsNativeThemeGTK::GetGtkWidgetAndState(StyleAppearance aAppearance,
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nsIFrame* aFrame,
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WidgetNodeType& aGtkWidgetType,
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GtkWidgetState* aState,
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gint* aWidgetFlags) {
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if (aAppearance == StyleAppearance::MenulistButton &&
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StaticPrefs::layout_css_webkit_appearance_enabled()) {
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aAppearance = StyleAppearance::Menulist;
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}
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if (aState) {
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memset(aState, 0, sizeof(GtkWidgetState));
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// For XUL checkboxes and radio buttons, the state of the parent
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// determines our state.
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nsIFrame* stateFrame = aFrame;
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if (aFrame && ((aWidgetFlags && (aAppearance == StyleAppearance::Checkbox ||
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aAppearance == StyleAppearance::Radio)) ||
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aAppearance == StyleAppearance::CheckboxLabel ||
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aAppearance == StyleAppearance::RadioLabel)) {
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nsAtom* atom = nullptr;
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if (IsFrameContentNodeInNamespace(aFrame, kNameSpaceID_XUL)) {
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if (aAppearance == StyleAppearance::CheckboxLabel ||
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aAppearance == StyleAppearance::RadioLabel) {
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// Adjust stateFrame so GetContentState finds the correct state.
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stateFrame = aFrame = aFrame->GetParent()->GetParent();
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} else {
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// GetContentState knows to look one frame up for radio/checkbox
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// widgets, so don't adjust stateFrame here.
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aFrame = aFrame->GetParent();
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}
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if (aWidgetFlags) {
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if (!atom) {
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atom = (aAppearance == StyleAppearance::Checkbox ||
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aAppearance == StyleAppearance::CheckboxLabel)
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? nsGkAtoms::checked
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: nsGkAtoms::selected;
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}
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*aWidgetFlags = CheckBooleanAttr(aFrame, atom);
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}
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} else {
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if (aWidgetFlags) {
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*aWidgetFlags = 0;
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HTMLInputElement* inputElt =
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HTMLInputElement::FromNode(aFrame->GetContent());
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if (inputElt && inputElt->Checked())
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*aWidgetFlags |= MOZ_GTK_WIDGET_CHECKED;
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if (GetIndeterminate(aFrame))
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*aWidgetFlags |= MOZ_GTK_WIDGET_INCONSISTENT;
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}
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}
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} else if (aAppearance == StyleAppearance::ToolbarbuttonDropdown ||
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aAppearance == StyleAppearance::Treeheadersortarrow ||
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aAppearance == StyleAppearance::ButtonArrowPrevious ||
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aAppearance == StyleAppearance::ButtonArrowNext ||
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aAppearance == StyleAppearance::ButtonArrowUp ||
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aAppearance == StyleAppearance::ButtonArrowDown) {
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// The state of an arrow comes from its parent.
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stateFrame = aFrame = aFrame->GetParent();
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}
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EventStates eventState = GetContentState(stateFrame, aAppearance);
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aState->disabled = IsDisabled(aFrame, eventState) || IsReadOnly(aFrame);
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aState->active = eventState.HasState(NS_EVENT_STATE_ACTIVE);
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aState->focused = eventState.HasState(NS_EVENT_STATE_FOCUS);
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aState->inHover = eventState.HasState(NS_EVENT_STATE_HOVER);
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aState->isDefault = IsDefaultButton(aFrame);
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aState->canDefault = FALSE; // XXX fix me
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if (aAppearance == StyleAppearance::FocusOutline) {
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aState->disabled = FALSE;
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aState->active = FALSE;
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aState->inHover = FALSE;
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aState->isDefault = FALSE;
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aState->canDefault = FALSE;
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aState->focused = TRUE;
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aState->depressed = TRUE; // see moz_gtk_entry_paint()
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} else if (aAppearance == StyleAppearance::Button ||
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aAppearance == StyleAppearance::Toolbarbutton ||
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aAppearance == StyleAppearance::Dualbutton ||
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aAppearance == StyleAppearance::ToolbarbuttonDropdown ||
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aAppearance == StyleAppearance::Menulist ||
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aAppearance == StyleAppearance::MenulistButton ||
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aAppearance == StyleAppearance::MozMenulistButton) {
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aState->active &= aState->inHover;
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} else if (aAppearance == StyleAppearance::Treetwisty ||
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aAppearance == StyleAppearance::Treetwistyopen) {
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nsTreeBodyFrame* treeBodyFrame = do_QueryFrame(aFrame);
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if (treeBodyFrame) {
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const mozilla::AtomArray& atoms =
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treeBodyFrame->GetPropertyArrayForCurrentDrawingItem();
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aState->selected = atoms.Contains((nsStaticAtom*)nsGkAtoms::selected);
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aState->inHover = atoms.Contains((nsStaticAtom*)nsGkAtoms::hover);
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}
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}
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if (IsFrameContentNodeInNamespace(aFrame, kNameSpaceID_XUL)) {
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// For these widget types, some element (either a child or parent)
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// actually has element focus, so we check the focused attribute
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// to see whether to draw in the focused state.
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if (aAppearance == StyleAppearance::NumberInput ||
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aAppearance == StyleAppearance::Textfield ||
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aAppearance == StyleAppearance::Textarea ||
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aAppearance == StyleAppearance::MenulistTextfield ||
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aAppearance == StyleAppearance::SpinnerTextfield ||
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aAppearance == StyleAppearance::RadioContainer ||
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aAppearance == StyleAppearance::RadioLabel) {
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aState->focused = IsFocused(aFrame);
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} else if (aAppearance == StyleAppearance::Radio ||
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aAppearance == StyleAppearance::Checkbox) {
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// In XUL, checkboxes and radios shouldn't have focus rings, their
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// labels do
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aState->focused = FALSE;
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}
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if (aAppearance == StyleAppearance::ScrollbarthumbVertical ||
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aAppearance == StyleAppearance::ScrollbarthumbHorizontal) {
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// for scrollbars we need to go up two to go from the thumb to
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// the slider to the actual scrollbar object
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nsIFrame* tmpFrame = aFrame->GetParent()->GetParent();
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aState->curpos = CheckIntAttr(tmpFrame, nsGkAtoms::curpos, 0);
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aState->maxpos = CheckIntAttr(tmpFrame, nsGkAtoms::maxpos, 100);
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if (CheckBooleanAttr(aFrame, nsGkAtoms::active)) {
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aState->active = TRUE;
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// Set hover state to emulate Gtk style of active scrollbar thumb
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aState->inHover = TRUE;
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}
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}
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if (aAppearance == StyleAppearance::ScrollbarbuttonUp ||
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aAppearance == StyleAppearance::ScrollbarbuttonDown ||
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aAppearance == StyleAppearance::ScrollbarbuttonLeft ||
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aAppearance == StyleAppearance::ScrollbarbuttonRight) {
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// set the state to disabled when the scrollbar is scrolled to
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// the beginning or the end, depending on the button type.
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int32_t curpos = CheckIntAttr(aFrame, nsGkAtoms::curpos, 0);
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int32_t maxpos = CheckIntAttr(aFrame, nsGkAtoms::maxpos, 100);
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if (ShouldScrollbarButtonBeDisabled(curpos, maxpos, aAppearance)) {
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aState->disabled = true;
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}
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// In order to simulate native GTK scrollbar click behavior,
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// we set the active attribute on the element to true if it's
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// pressed with any mouse button.
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// This allows us to show that it's active without setting :active
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else if (CheckBooleanAttr(aFrame, nsGkAtoms::active))
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aState->active = true;
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if (aWidgetFlags) {
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*aWidgetFlags = GetScrollbarButtonType(aFrame);
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if (static_cast<uint8_t>(aAppearance) -
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static_cast<uint8_t>(StyleAppearance::ScrollbarbuttonUp) <
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2)
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*aWidgetFlags |= MOZ_GTK_STEPPER_VERTICAL;
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}
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}
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// menu item state is determined by the attribute "_moz-menuactive",
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// and not by the mouse hovering (accessibility). as a special case,
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// menus which are children of a menu bar are only marked as prelight
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// if they are open, not on normal hover.
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if (aAppearance == StyleAppearance::Menuitem ||
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aAppearance == StyleAppearance::Checkmenuitem ||
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aAppearance == StyleAppearance::Radiomenuitem ||
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aAppearance == StyleAppearance::Menuseparator ||
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aAppearance == StyleAppearance::Menuarrow) {
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bool isTopLevel = false;
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nsMenuFrame* menuFrame = do_QueryFrame(aFrame);
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if (menuFrame) {
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isTopLevel = menuFrame->IsOnMenuBar();
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}
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if (isTopLevel) {
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aState->inHover = menuFrame->IsOpen();
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} else {
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aState->inHover = CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
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}
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aState->active = FALSE;
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if (aAppearance == StyleAppearance::Checkmenuitem ||
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aAppearance == StyleAppearance::Radiomenuitem) {
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*aWidgetFlags = 0;
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if (aFrame && aFrame->GetContent() &&
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aFrame->GetContent()->IsElement()) {
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*aWidgetFlags = aFrame->GetContent()->AsElement()->AttrValueIs(
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kNameSpaceID_None, nsGkAtoms::checked, nsGkAtoms::_true,
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eIgnoreCase);
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}
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}
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}
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// A button with drop down menu open or an activated toggle button
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// should always appear depressed.
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if (aAppearance == StyleAppearance::Button ||
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aAppearance == StyleAppearance::Toolbarbutton ||
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aAppearance == StyleAppearance::Dualbutton ||
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aAppearance == StyleAppearance::ToolbarbuttonDropdown ||
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aAppearance == StyleAppearance::Menulist ||
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aAppearance == StyleAppearance::MenulistButton ||
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aAppearance == StyleAppearance::MozMenulistButton) {
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bool menuOpen = IsOpenButton(aFrame);
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aState->depressed = IsCheckedButton(aFrame) || menuOpen;
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// we must not highlight buttons with open drop down menus on hover.
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aState->inHover = aState->inHover && !menuOpen;
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}
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// When the input field of the drop down button has focus, some themes
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// should draw focus for the drop down button as well.
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if ((aAppearance == StyleAppearance::MenulistButton ||
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aAppearance == StyleAppearance::MozMenulistButton) &&
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aWidgetFlags) {
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*aWidgetFlags = CheckBooleanAttr(aFrame, nsGkAtoms::parentfocused);
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}
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}
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if (aAppearance == StyleAppearance::MozWindowTitlebar ||
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aAppearance == StyleAppearance::MozWindowTitlebarMaximized ||
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aAppearance == StyleAppearance::MozWindowButtonClose ||
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aAppearance == StyleAppearance::MozWindowButtonMinimize ||
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aAppearance == StyleAppearance::MozWindowButtonMaximize ||
|
|
aAppearance == StyleAppearance::MozWindowButtonRestore) {
|
|
aState->backdrop = !nsWindow::GetTopLevelWindowActiveState(aFrame);
|
|
}
|
|
|
|
if (aAppearance == StyleAppearance::ScrollbarbuttonUp ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonDown ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonLeft ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonRight ||
|
|
aAppearance == StyleAppearance::ScrollbarVertical ||
|
|
aAppearance == StyleAppearance::ScrollbarHorizontal ||
|
|
aAppearance == StyleAppearance::ScrollbartrackHorizontal ||
|
|
aAppearance == StyleAppearance::ScrollbartrackVertical ||
|
|
aAppearance == StyleAppearance::ScrollbarthumbVertical ||
|
|
aAppearance == StyleAppearance::ScrollbarthumbHorizontal) {
|
|
EventStates docState =
|
|
aFrame->GetContent()->OwnerDoc()->GetDocumentState();
|
|
aState->backdrop = docState.HasState(NS_DOCUMENT_STATE_WINDOW_INACTIVE);
|
|
}
|
|
}
|
|
|
|
switch (aAppearance) {
|
|
case StyleAppearance::Button:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_RELIEF_NORMAL;
|
|
aGtkWidgetType = MOZ_GTK_BUTTON;
|
|
break;
|
|
case StyleAppearance::Toolbarbutton:
|
|
case StyleAppearance::Dualbutton:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_RELIEF_NONE;
|
|
aGtkWidgetType = MOZ_GTK_TOOLBAR_BUTTON;
|
|
break;
|
|
case StyleAppearance::FocusOutline:
|
|
aGtkWidgetType = MOZ_GTK_ENTRY;
|
|
break;
|
|
case StyleAppearance::Checkbox:
|
|
case StyleAppearance::Radio:
|
|
aGtkWidgetType = (aAppearance == StyleAppearance::Radio)
|
|
? MOZ_GTK_RADIOBUTTON
|
|
: MOZ_GTK_CHECKBUTTON;
|
|
break;
|
|
case StyleAppearance::ScrollbarbuttonUp:
|
|
case StyleAppearance::ScrollbarbuttonDown:
|
|
case StyleAppearance::ScrollbarbuttonLeft:
|
|
case StyleAppearance::ScrollbarbuttonRight:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_BUTTON;
|
|
break;
|
|
case StyleAppearance::ScrollbarVertical:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_VERTICAL;
|
|
if (GetWidgetTransparency(aFrame, aAppearance) == eOpaque)
|
|
*aWidgetFlags = MOZ_GTK_TRACK_OPAQUE;
|
|
else
|
|
*aWidgetFlags = 0;
|
|
break;
|
|
case StyleAppearance::ScrollbarHorizontal:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_HORIZONTAL;
|
|
if (GetWidgetTransparency(aFrame, aAppearance) == eOpaque)
|
|
*aWidgetFlags = MOZ_GTK_TRACK_OPAQUE;
|
|
else
|
|
*aWidgetFlags = 0;
|
|
break;
|
|
case StyleAppearance::ScrollbartrackHorizontal:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_TROUGH_HORIZONTAL;
|
|
break;
|
|
case StyleAppearance::ScrollbartrackVertical:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_TROUGH_VERTICAL;
|
|
break;
|
|
case StyleAppearance::ScrollbarthumbVertical:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_THUMB_VERTICAL;
|
|
break;
|
|
case StyleAppearance::ScrollbarthumbHorizontal:
|
|
aGtkWidgetType = MOZ_GTK_SCROLLBAR_THUMB_HORIZONTAL;
|
|
break;
|
|
case StyleAppearance::InnerSpinButton:
|
|
aGtkWidgetType = MOZ_GTK_INNER_SPIN_BUTTON;
|
|
break;
|
|
case StyleAppearance::Spinner:
|
|
aGtkWidgetType = MOZ_GTK_SPINBUTTON;
|
|
break;
|
|
case StyleAppearance::SpinnerUpbutton:
|
|
aGtkWidgetType = MOZ_GTK_SPINBUTTON_UP;
|
|
break;
|
|
case StyleAppearance::SpinnerDownbutton:
|
|
aGtkWidgetType = MOZ_GTK_SPINBUTTON_DOWN;
|
|
break;
|
|
case StyleAppearance::SpinnerTextfield:
|
|
aGtkWidgetType = MOZ_GTK_SPINBUTTON_ENTRY;
|
|
break;
|
|
case StyleAppearance::Range: {
|
|
if (IsRangeHorizontal(aFrame)) {
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_HORIZONTAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_HORIZONTAL;
|
|
} else {
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_VERTICAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_VERTICAL;
|
|
}
|
|
break;
|
|
}
|
|
case StyleAppearance::RangeThumb: {
|
|
if (IsRangeHorizontal(aFrame)) {
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_HORIZONTAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_THUMB_HORIZONTAL;
|
|
} else {
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_VERTICAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_THUMB_VERTICAL;
|
|
}
|
|
break;
|
|
}
|
|
case StyleAppearance::ScaleHorizontal:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_HORIZONTAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_HORIZONTAL;
|
|
break;
|
|
case StyleAppearance::ScalethumbHorizontal:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_HORIZONTAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_THUMB_HORIZONTAL;
|
|
break;
|
|
case StyleAppearance::ScaleVertical:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_VERTICAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_VERTICAL;
|
|
break;
|
|
case StyleAppearance::Separator:
|
|
aGtkWidgetType = MOZ_GTK_TOOLBAR_SEPARATOR;
|
|
break;
|
|
case StyleAppearance::ScalethumbVertical:
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_ORIENTATION_VERTICAL;
|
|
aGtkWidgetType = MOZ_GTK_SCALE_THUMB_VERTICAL;
|
|
break;
|
|
case StyleAppearance::Toolbargripper:
|
|
aGtkWidgetType = MOZ_GTK_GRIPPER;
|
|
break;
|
|
case StyleAppearance::Resizer:
|
|
aGtkWidgetType = MOZ_GTK_RESIZER;
|
|
break;
|
|
case StyleAppearance::NumberInput:
|
|
case StyleAppearance::Textfield:
|
|
aGtkWidgetType = MOZ_GTK_ENTRY;
|
|
break;
|
|
case StyleAppearance::Textarea:
|
|
#ifdef MOZ_WIDGET_GTK
|
|
aGtkWidgetType = MOZ_GTK_TEXT_VIEW;
|
|
#else
|
|
aGtkWidgetType = MOZ_GTK_ENTRY;
|
|
#endif
|
|
break;
|
|
case StyleAppearance::Listbox:
|
|
case StyleAppearance::Treeview:
|
|
aGtkWidgetType = MOZ_GTK_TREEVIEW;
|
|
break;
|
|
case StyleAppearance::Treeheadercell:
|
|
if (aWidgetFlags) {
|
|
// In this case, the flag denotes whether the header is the sorted one
|
|
// or not
|
|
if (GetTreeSortDirection(aFrame) == eTreeSortDirection_Natural)
|
|
*aWidgetFlags = false;
|
|
else
|
|
*aWidgetFlags = true;
|
|
}
|
|
aGtkWidgetType = MOZ_GTK_TREE_HEADER_CELL;
|
|
break;
|
|
case StyleAppearance::Treeheadersortarrow:
|
|
if (aWidgetFlags) {
|
|
switch (GetTreeSortDirection(aFrame)) {
|
|
case eTreeSortDirection_Ascending:
|
|
*aWidgetFlags = GTK_ARROW_DOWN;
|
|
break;
|
|
case eTreeSortDirection_Descending:
|
|
*aWidgetFlags = GTK_ARROW_UP;
|
|
break;
|
|
case eTreeSortDirection_Natural:
|
|
default:
|
|
/* This prevents the treecolums from getting smaller
|
|
* and wider when switching sort direction off and on
|
|
* */
|
|
*aWidgetFlags = GTK_ARROW_NONE;
|
|
break;
|
|
}
|
|
}
|
|
aGtkWidgetType = MOZ_GTK_TREE_HEADER_SORTARROW;
|
|
break;
|
|
case StyleAppearance::Treetwisty:
|
|
aGtkWidgetType = MOZ_GTK_TREEVIEW_EXPANDER;
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_EXPANDER_COLLAPSED;
|
|
break;
|
|
case StyleAppearance::Treetwistyopen:
|
|
aGtkWidgetType = MOZ_GTK_TREEVIEW_EXPANDER;
|
|
if (aWidgetFlags) *aWidgetFlags = GTK_EXPANDER_EXPANDED;
|
|
break;
|
|
case StyleAppearance::Menulist:
|
|
aGtkWidgetType = MOZ_GTK_DROPDOWN;
|
|
if (aWidgetFlags)
|
|
*aWidgetFlags =
|
|
IsFrameContentNodeInNamespace(aFrame, kNameSpaceID_XHTML);
|
|
break;
|
|
case StyleAppearance::MenulistText:
|
|
return false; // nothing to do, but prevents the bg from being drawn
|
|
case StyleAppearance::MenulistTextfield:
|
|
aGtkWidgetType = MOZ_GTK_DROPDOWN_ENTRY;
|
|
break;
|
|
case StyleAppearance::MenulistButton:
|
|
case StyleAppearance::MozMenulistButton:
|
|
aGtkWidgetType = MOZ_GTK_DROPDOWN_ARROW;
|
|
break;
|
|
case StyleAppearance::ToolbarbuttonDropdown:
|
|
case StyleAppearance::ButtonArrowDown:
|
|
case StyleAppearance::ButtonArrowUp:
|
|
case StyleAppearance::ButtonArrowNext:
|
|
case StyleAppearance::ButtonArrowPrevious:
|
|
aGtkWidgetType = MOZ_GTK_TOOLBARBUTTON_ARROW;
|
|
if (aWidgetFlags) {
|
|
*aWidgetFlags = GTK_ARROW_DOWN;
|
|
|
|
if (aAppearance == StyleAppearance::ButtonArrowUp)
|
|
*aWidgetFlags = GTK_ARROW_UP;
|
|
else if (aAppearance == StyleAppearance::ButtonArrowNext)
|
|
*aWidgetFlags = GTK_ARROW_RIGHT;
|
|
else if (aAppearance == StyleAppearance::ButtonArrowPrevious)
|
|
*aWidgetFlags = GTK_ARROW_LEFT;
|
|
}
|
|
break;
|
|
case StyleAppearance::CheckboxContainer:
|
|
aGtkWidgetType = MOZ_GTK_CHECKBUTTON_CONTAINER;
|
|
break;
|
|
case StyleAppearance::RadioContainer:
|
|
aGtkWidgetType = MOZ_GTK_RADIOBUTTON_CONTAINER;
|
|
break;
|
|
case StyleAppearance::CheckboxLabel:
|
|
aGtkWidgetType = MOZ_GTK_CHECKBUTTON_LABEL;
|
|
break;
|
|
case StyleAppearance::RadioLabel:
|
|
aGtkWidgetType = MOZ_GTK_RADIOBUTTON_LABEL;
|
|
break;
|
|
case StyleAppearance::Toolbar:
|
|
aGtkWidgetType = MOZ_GTK_TOOLBAR;
|
|
break;
|
|
case StyleAppearance::Tooltip:
|
|
aGtkWidgetType = MOZ_GTK_TOOLTIP;
|
|
break;
|
|
case StyleAppearance::Statusbarpanel:
|
|
case StyleAppearance::Resizerpanel:
|
|
aGtkWidgetType = MOZ_GTK_FRAME;
|
|
break;
|
|
case StyleAppearance::ProgressBar:
|
|
case StyleAppearance::ProgressbarVertical:
|
|
aGtkWidgetType = MOZ_GTK_PROGRESSBAR;
|
|
break;
|
|
case StyleAppearance::Progresschunk: {
|
|
nsIFrame* stateFrame = aFrame->GetParent();
|
|
EventStates eventStates = GetContentState(stateFrame, aAppearance);
|
|
|
|
aGtkWidgetType = IsIndeterminateProgress(stateFrame, eventStates)
|
|
? IsVerticalProgress(stateFrame)
|
|
? MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE
|
|
: MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE
|
|
: MOZ_GTK_PROGRESS_CHUNK;
|
|
} break;
|
|
case StyleAppearance::TabScrollArrowBack:
|
|
case StyleAppearance::TabScrollArrowForward:
|
|
if (aWidgetFlags)
|
|
*aWidgetFlags = aAppearance == StyleAppearance::TabScrollArrowBack
|
|
? GTK_ARROW_LEFT
|
|
: GTK_ARROW_RIGHT;
|
|
aGtkWidgetType = MOZ_GTK_TAB_SCROLLARROW;
|
|
break;
|
|
case StyleAppearance::Tabpanels:
|
|
aGtkWidgetType = MOZ_GTK_TABPANELS;
|
|
break;
|
|
case StyleAppearance::Tab: {
|
|
if (IsBottomTab(aFrame)) {
|
|
aGtkWidgetType = MOZ_GTK_TAB_BOTTOM;
|
|
} else {
|
|
aGtkWidgetType = MOZ_GTK_TAB_TOP;
|
|
}
|
|
|
|
if (aWidgetFlags) {
|
|
/* First bits will be used to store max(0,-bmargin) where bmargin
|
|
* is the bottom margin of the tab in pixels (resp. top margin,
|
|
* for bottom tabs). */
|
|
*aWidgetFlags = GetTabMarginPixels(aFrame);
|
|
|
|
if (IsSelectedTab(aFrame)) *aWidgetFlags |= MOZ_GTK_TAB_SELECTED;
|
|
|
|
if (IsFirstTab(aFrame)) *aWidgetFlags |= MOZ_GTK_TAB_FIRST;
|
|
}
|
|
} break;
|
|
case StyleAppearance::Splitter:
|
|
if (IsHorizontal(aFrame))
|
|
aGtkWidgetType = MOZ_GTK_SPLITTER_VERTICAL;
|
|
else
|
|
aGtkWidgetType = MOZ_GTK_SPLITTER_HORIZONTAL;
|
|
break;
|
|
case StyleAppearance::Menubar:
|
|
aGtkWidgetType = MOZ_GTK_MENUBAR;
|
|
break;
|
|
case StyleAppearance::Menupopup:
|
|
aGtkWidgetType = MOZ_GTK_MENUPOPUP;
|
|
break;
|
|
case StyleAppearance::Menuitem: {
|
|
nsMenuFrame* menuFrame = do_QueryFrame(aFrame);
|
|
if (menuFrame && menuFrame->IsOnMenuBar()) {
|
|
aGtkWidgetType = MOZ_GTK_MENUBARITEM;
|
|
break;
|
|
}
|
|
}
|
|
aGtkWidgetType = MOZ_GTK_MENUITEM;
|
|
break;
|
|
case StyleAppearance::Menuseparator:
|
|
aGtkWidgetType = MOZ_GTK_MENUSEPARATOR;
|
|
break;
|
|
case StyleAppearance::Menuarrow:
|
|
aGtkWidgetType = MOZ_GTK_MENUARROW;
|
|
break;
|
|
case StyleAppearance::Checkmenuitem:
|
|
aGtkWidgetType = MOZ_GTK_CHECKMENUITEM;
|
|
break;
|
|
case StyleAppearance::Radiomenuitem:
|
|
aGtkWidgetType = MOZ_GTK_RADIOMENUITEM;
|
|
break;
|
|
case StyleAppearance::Window:
|
|
case StyleAppearance::Dialog:
|
|
aGtkWidgetType = MOZ_GTK_WINDOW;
|
|
break;
|
|
case StyleAppearance::MozGtkInfoBar:
|
|
aGtkWidgetType = MOZ_GTK_INFO_BAR;
|
|
break;
|
|
case StyleAppearance::MozWindowTitlebar:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR;
|
|
break;
|
|
case StyleAppearance::MozWindowTitlebarMaximized:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_MAXIMIZED;
|
|
break;
|
|
case StyleAppearance::MozWindowButtonBox:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_BOX;
|
|
break;
|
|
case StyleAppearance::MozWindowButtonClose:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_CLOSE;
|
|
break;
|
|
case StyleAppearance::MozWindowButtonMinimize:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE;
|
|
break;
|
|
case StyleAppearance::MozWindowButtonMaximize:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE;
|
|
break;
|
|
case StyleAppearance::MozWindowButtonRestore:
|
|
aGtkWidgetType = MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE_RESTORE;
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
class SystemCairoClipper : public ClipExporter {
|
|
public:
|
|
explicit SystemCairoClipper(cairo_t* aContext, gint aScaleFactor = 1)
|
|
: mContext(aContext), mScaleFactor(aScaleFactor) {}
|
|
|
|
void BeginClip(const Matrix& aTransform) override {
|
|
cairo_matrix_t mat;
|
|
GfxMatrixToCairoMatrix(aTransform, mat);
|
|
// We also need to remove the scale factor effect from the matrix
|
|
mat.y0 = mat.y0 / mScaleFactor;
|
|
mat.x0 = mat.x0 / mScaleFactor;
|
|
cairo_set_matrix(mContext, &mat);
|
|
|
|
cairo_new_path(mContext);
|
|
}
|
|
|
|
void MoveTo(const Point& aPoint) override {
|
|
cairo_move_to(mContext, aPoint.x / mScaleFactor, aPoint.y / mScaleFactor);
|
|
mBeginPoint = aPoint;
|
|
mCurrentPoint = aPoint;
|
|
}
|
|
|
|
void LineTo(const Point& aPoint) override {
|
|
cairo_line_to(mContext, aPoint.x / mScaleFactor, aPoint.y / mScaleFactor);
|
|
mCurrentPoint = aPoint;
|
|
}
|
|
|
|
void BezierTo(const Point& aCP1, const Point& aCP2,
|
|
const Point& aCP3) override {
|
|
cairo_curve_to(mContext, aCP1.x / mScaleFactor, aCP1.y / mScaleFactor,
|
|
aCP2.x / mScaleFactor, aCP2.y / mScaleFactor,
|
|
aCP3.x / mScaleFactor, aCP3.y / mScaleFactor);
|
|
mCurrentPoint = aCP3;
|
|
}
|
|
|
|
void QuadraticBezierTo(const Point& aCP1, const Point& aCP2) override {
|
|
Point CP0 = CurrentPoint();
|
|
Point CP1 = (CP0 + aCP1 * 2.0) / 3.0;
|
|
Point CP2 = (aCP2 + aCP1 * 2.0) / 3.0;
|
|
Point CP3 = aCP2;
|
|
cairo_curve_to(mContext, CP1.x / mScaleFactor, CP1.y / mScaleFactor,
|
|
CP2.x / mScaleFactor, CP2.y / mScaleFactor,
|
|
CP3.x / mScaleFactor, CP3.y / mScaleFactor);
|
|
mCurrentPoint = aCP2;
|
|
}
|
|
|
|
void Arc(const Point& aOrigin, float aRadius, float aStartAngle,
|
|
float aEndAngle, bool aAntiClockwise) override {
|
|
ArcToBezier(this, aOrigin, Size(aRadius, aRadius), aStartAngle, aEndAngle,
|
|
aAntiClockwise);
|
|
}
|
|
|
|
void Close() override {
|
|
cairo_close_path(mContext);
|
|
mCurrentPoint = mBeginPoint;
|
|
}
|
|
|
|
void EndClip() override { cairo_clip(mContext); }
|
|
|
|
private:
|
|
cairo_t* mContext;
|
|
gint mScaleFactor;
|
|
};
|
|
|
|
static void DrawThemeWithCairo(gfxContext* aContext, DrawTarget* aDrawTarget,
|
|
GtkWidgetState aState,
|
|
WidgetNodeType aGTKWidgetType, gint aFlags,
|
|
GtkTextDirection aDirection, gint aScaleFactor,
|
|
bool aSnapped, const Point& aDrawOrigin,
|
|
const nsIntSize& aDrawSize,
|
|
GdkRectangle& aGDKRect,
|
|
nsITheme::Transparency aTransparency) {
|
|
bool isX11Display = GDK_IS_X11_DISPLAY(gdk_display_get_default());
|
|
static auto sCairoSurfaceSetDeviceScalePtr =
|
|
(void (*)(cairo_surface_t*, double, double))dlsym(
|
|
RTLD_DEFAULT, "cairo_surface_set_device_scale");
|
|
bool useHiDPIWidgets =
|
|
(aScaleFactor != 1) && (sCairoSurfaceSetDeviceScalePtr != nullptr);
|
|
|
|
Point drawOffsetScaled;
|
|
Point drawOffsetOriginal;
|
|
Matrix transform;
|
|
if (!aSnapped) {
|
|
// If we are not snapped, we depend on the DT for translation.
|
|
drawOffsetOriginal = aDrawOrigin;
|
|
drawOffsetScaled = useHiDPIWidgets ? drawOffsetOriginal / aScaleFactor
|
|
: drawOffsetOriginal;
|
|
transform = aDrawTarget->GetTransform().PreTranslate(drawOffsetScaled);
|
|
} else {
|
|
// Otherwise, we only need to take the device offset into account.
|
|
drawOffsetOriginal = aDrawOrigin - aContext->GetDeviceOffset();
|
|
drawOffsetScaled = useHiDPIWidgets ? drawOffsetOriginal / aScaleFactor
|
|
: drawOffsetOriginal;
|
|
transform = Matrix::Translation(drawOffsetScaled);
|
|
}
|
|
|
|
if (!useHiDPIWidgets && aScaleFactor != 1) {
|
|
transform.PreScale(aScaleFactor, aScaleFactor);
|
|
}
|
|
|
|
cairo_matrix_t mat;
|
|
GfxMatrixToCairoMatrix(transform, mat);
|
|
|
|
nsIntSize clipSize((aDrawSize.width + aScaleFactor - 1) / aScaleFactor,
|
|
(aDrawSize.height + aScaleFactor - 1) / aScaleFactor);
|
|
|
|
// A direct Cairo draw target is not available, so we need to create a
|
|
// temporary one.
|
|
#if defined(MOZ_X11) && defined(CAIRO_HAS_XLIB_SURFACE)
|
|
if (isX11Display) {
|
|
// If using a Cairo xlib surface, then try to reuse it.
|
|
BorrowedXlibDrawable borrow(aDrawTarget);
|
|
if (borrow.GetDrawable()) {
|
|
nsIntSize size = borrow.GetSize();
|
|
cairo_surface_t* surf = nullptr;
|
|
// Check if the surface is using XRender.
|
|
# ifdef CAIRO_HAS_XLIB_XRENDER_SURFACE
|
|
if (borrow.GetXRenderFormat()) {
|
|
surf = cairo_xlib_surface_create_with_xrender_format(
|
|
borrow.GetDisplay(), borrow.GetDrawable(), borrow.GetScreen(),
|
|
borrow.GetXRenderFormat(), size.width, size.height);
|
|
} else {
|
|
# else
|
|
if (!borrow.GetXRenderFormat()) {
|
|
# endif
|
|
surf = cairo_xlib_surface_create(
|
|
borrow.GetDisplay(), borrow.GetDrawable(), borrow.GetVisual(),
|
|
size.width, size.height);
|
|
}
|
|
if (!NS_WARN_IF(!surf)) {
|
|
Point offset = borrow.GetOffset();
|
|
if (offset != Point()) {
|
|
cairo_surface_set_device_offset(surf, offset.x, offset.y);
|
|
}
|
|
cairo_t* cr = cairo_create(surf);
|
|
if (!NS_WARN_IF(!cr)) {
|
|
RefPtr<SystemCairoClipper> clipper = new SystemCairoClipper(cr);
|
|
aContext->ExportClip(*clipper);
|
|
|
|
cairo_set_matrix(cr, &mat);
|
|
|
|
cairo_new_path(cr);
|
|
cairo_rectangle(cr, 0, 0, clipSize.width, clipSize.height);
|
|
cairo_clip(cr);
|
|
|
|
moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags,
|
|
aDirection);
|
|
|
|
cairo_destroy(cr);
|
|
}
|
|
cairo_surface_destroy(surf);
|
|
}
|
|
borrow.Finish();
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
// Check if the widget requires complex masking that must be composited.
|
|
// Try to directly write to the draw target's pixels if possible.
|
|
uint8_t* data;
|
|
nsIntSize size;
|
|
int32_t stride;
|
|
SurfaceFormat format;
|
|
IntPoint origin;
|
|
if (aDrawTarget->LockBits(&data, &size, &stride, &format, &origin)) {
|
|
// Create a Cairo image surface context the device rectangle.
|
|
cairo_surface_t* surf = cairo_image_surface_create_for_data(
|
|
data, GfxFormatToCairoFormat(format), size.width, size.height, stride);
|
|
if (!NS_WARN_IF(!surf)) {
|
|
if (useHiDPIWidgets) {
|
|
sCairoSurfaceSetDeviceScalePtr(surf, aScaleFactor, aScaleFactor);
|
|
}
|
|
if (origin != IntPoint()) {
|
|
cairo_surface_set_device_offset(surf, -origin.x, -origin.y);
|
|
}
|
|
cairo_t* cr = cairo_create(surf);
|
|
if (!NS_WARN_IF(!cr)) {
|
|
RefPtr<SystemCairoClipper> clipper =
|
|
new SystemCairoClipper(cr, useHiDPIWidgets ? aScaleFactor : 1);
|
|
aContext->ExportClip(*clipper);
|
|
|
|
cairo_set_matrix(cr, &mat);
|
|
|
|
cairo_new_path(cr);
|
|
cairo_rectangle(cr, 0, 0, clipSize.width, clipSize.height);
|
|
cairo_clip(cr);
|
|
|
|
moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags,
|
|
aDirection);
|
|
|
|
cairo_destroy(cr);
|
|
}
|
|
cairo_surface_destroy(surf);
|
|
}
|
|
aDrawTarget->ReleaseBits(data);
|
|
} else {
|
|
// If the widget has any transparency, make sure to choose an alpha format.
|
|
format = aTransparency != nsITheme::eOpaque ? SurfaceFormat::B8G8R8A8
|
|
: aDrawTarget->GetFormat();
|
|
// Create a temporary data surface to render the widget into.
|
|
RefPtr<DataSourceSurface> dataSurface = Factory::CreateDataSourceSurface(
|
|
aDrawSize, format, aTransparency != nsITheme::eOpaque);
|
|
DataSourceSurface::MappedSurface map;
|
|
if (!NS_WARN_IF(
|
|
!(dataSurface &&
|
|
dataSurface->Map(DataSourceSurface::MapType::WRITE, &map)))) {
|
|
// Create a Cairo image surface wrapping the data surface.
|
|
cairo_surface_t* surf = cairo_image_surface_create_for_data(
|
|
map.mData, GfxFormatToCairoFormat(format), aDrawSize.width,
|
|
aDrawSize.height, map.mStride);
|
|
cairo_t* cr = nullptr;
|
|
if (!NS_WARN_IF(!surf)) {
|
|
cr = cairo_create(surf);
|
|
if (!NS_WARN_IF(!cr)) {
|
|
if (aScaleFactor != 1) {
|
|
if (useHiDPIWidgets) {
|
|
sCairoSurfaceSetDeviceScalePtr(surf, aScaleFactor, aScaleFactor);
|
|
} else {
|
|
cairo_scale(cr, aScaleFactor, aScaleFactor);
|
|
}
|
|
}
|
|
|
|
moz_gtk_widget_paint(aGTKWidgetType, cr, &aGDKRect, &aState, aFlags,
|
|
aDirection);
|
|
}
|
|
}
|
|
|
|
// Unmap the surface before using it as a source
|
|
dataSurface->Unmap();
|
|
|
|
if (cr) {
|
|
// The widget either needs to be masked or has transparency, so use the
|
|
// slower drawing path.
|
|
aDrawTarget->DrawSurface(
|
|
dataSurface,
|
|
Rect(aSnapped ? drawOffsetOriginal -
|
|
aDrawTarget->GetTransform().GetTranslation()
|
|
: drawOffsetOriginal,
|
|
Size(aDrawSize)),
|
|
Rect(0, 0, aDrawSize.width, aDrawSize.height));
|
|
cairo_destroy(cr);
|
|
}
|
|
|
|
if (surf) {
|
|
cairo_surface_destroy(surf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool nsNativeThemeGTK::GetExtraSizeForWidget(nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
nsIntMargin* aExtra) {
|
|
*aExtra = nsIntMargin(0, 0, 0, 0);
|
|
// Allow an extra one pixel above and below the thumb for certain
|
|
// GTK2 themes (Ximian Industrial, Bluecurve, Misty, at least);
|
|
// We modify the frame's overflow area. See bug 297508.
|
|
switch (aAppearance) {
|
|
case StyleAppearance::ScrollbarthumbVertical:
|
|
aExtra->top = aExtra->bottom = 1;
|
|
break;
|
|
case StyleAppearance::ScrollbarthumbHorizontal:
|
|
aExtra->left = aExtra->right = 1;
|
|
break;
|
|
|
|
case StyleAppearance::Button: {
|
|
if (IsDefaultButton(aFrame)) {
|
|
// Some themes draw a default indicator outside the widget,
|
|
// include that in overflow
|
|
gint top, left, bottom, right;
|
|
moz_gtk_button_get_default_overflow(&top, &left, &bottom, &right);
|
|
aExtra->top = top;
|
|
aExtra->right = right;
|
|
aExtra->bottom = bottom;
|
|
aExtra->left = left;
|
|
break;
|
|
}
|
|
return false;
|
|
}
|
|
case StyleAppearance::FocusOutline: {
|
|
moz_gtk_get_focus_outline_size(&aExtra->left, &aExtra->top);
|
|
aExtra->right = aExtra->left;
|
|
aExtra->bottom = aExtra->top;
|
|
break;
|
|
}
|
|
case StyleAppearance::Tab: {
|
|
if (!IsSelectedTab(aFrame)) return false;
|
|
|
|
gint gap_height = moz_gtk_get_tab_thickness(
|
|
IsBottomTab(aFrame) ? MOZ_GTK_TAB_BOTTOM : MOZ_GTK_TAB_TOP);
|
|
if (!gap_height) return false;
|
|
|
|
int32_t extra = gap_height - GetTabMarginPixels(aFrame);
|
|
if (extra <= 0) return false;
|
|
|
|
if (IsBottomTab(aFrame)) {
|
|
aExtra->top = extra;
|
|
} else {
|
|
aExtra->bottom = extra;
|
|
}
|
|
return false;
|
|
}
|
|
default:
|
|
return false;
|
|
}
|
|
gint scale = GetMonitorScaleFactor(aFrame);
|
|
aExtra->top *= scale;
|
|
aExtra->right *= scale;
|
|
aExtra->bottom *= scale;
|
|
aExtra->left *= scale;
|
|
return true;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::IsWidgetVisible(StyleAppearance aAppearance) {
|
|
switch (aAppearance) {
|
|
case StyleAppearance::MozWindowButtonBox:
|
|
return false;
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsNativeThemeGTK::DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
const nsRect& aRect,
|
|
const nsRect& aDirtyRect) {
|
|
GtkWidgetState state;
|
|
WidgetNodeType gtkWidgetType;
|
|
GtkTextDirection direction = GetTextDirection(aFrame);
|
|
gint flags;
|
|
|
|
if (!IsWidgetVisible(aAppearance) ||
|
|
!GetGtkWidgetAndState(aAppearance, aFrame, gtkWidgetType, &state,
|
|
&flags)) {
|
|
return NS_OK;
|
|
}
|
|
|
|
gfxContext* ctx = aContext;
|
|
nsPresContext* presContext = aFrame->PresContext();
|
|
|
|
gfxRect rect = presContext->AppUnitsToGfxUnits(aRect);
|
|
gfxRect dirtyRect = presContext->AppUnitsToGfxUnits(aDirtyRect);
|
|
gint scaleFactor = GetMonitorScaleFactor(aFrame);
|
|
|
|
// Align to device pixels where sensible
|
|
// to provide crisper and faster drawing.
|
|
// Don't snap if it's a non-unit scale factor. We're going to have to take
|
|
// slow paths then in any case.
|
|
bool snapped = ctx->UserToDevicePixelSnapped(rect);
|
|
if (snapped) {
|
|
// Leave rect in device coords but make dirtyRect consistent.
|
|
dirtyRect = ctx->UserToDevice(dirtyRect);
|
|
}
|
|
|
|
// Translate the dirty rect so that it is wrt the widget top-left.
|
|
dirtyRect.MoveBy(-rect.TopLeft());
|
|
// Round out the dirty rect to gdk pixels to ensure that gtk draws
|
|
// enough pixels for interpolation to device pixels.
|
|
dirtyRect.RoundOut();
|
|
|
|
// GTK themes can only draw an integer number of pixels
|
|
// (even when not snapped).
|
|
nsIntRect widgetRect(0, 0, NS_lround(rect.Width()), NS_lround(rect.Height()));
|
|
nsIntRect overflowRect(widgetRect);
|
|
nsIntMargin extraSize;
|
|
if (GetExtraSizeForWidget(aFrame, aAppearance, &extraSize)) {
|
|
overflowRect.Inflate(extraSize);
|
|
}
|
|
|
|
// This is the rectangle that will actually be drawn, in gdk pixels
|
|
nsIntRect drawingRect(int32_t(dirtyRect.X()), int32_t(dirtyRect.Y()),
|
|
int32_t(dirtyRect.Width()),
|
|
int32_t(dirtyRect.Height()));
|
|
if (widgetRect.IsEmpty() ||
|
|
!drawingRect.IntersectRect(overflowRect, drawingRect))
|
|
return NS_OK;
|
|
|
|
NS_ASSERTION(!IsWidgetTypeDisabled(mDisabledWidgetTypes, aAppearance),
|
|
"Trying to render an unsafe widget!");
|
|
|
|
bool safeState = IsWidgetStateSafe(mSafeWidgetStates, aAppearance, &state);
|
|
if (!safeState) {
|
|
gLastGdkError = 0;
|
|
gdk_error_trap_push();
|
|
}
|
|
|
|
Transparency transparency = GetWidgetTransparency(aFrame, aAppearance);
|
|
|
|
// gdk rectangles are wrt the drawing rect.
|
|
GdkRectangle gdk_rect = {
|
|
-drawingRect.x / scaleFactor, -drawingRect.y / scaleFactor,
|
|
widgetRect.width / scaleFactor, widgetRect.height / scaleFactor};
|
|
|
|
// Save actual widget scale to GtkWidgetState as we don't provide
|
|
// nsFrame to gtk3drawing routines.
|
|
state.scale = scaleFactor;
|
|
|
|
// translate everything so (0,0) is the top left of the drawingRect
|
|
gfxPoint origin = rect.TopLeft() + drawingRect.TopLeft();
|
|
|
|
DrawThemeWithCairo(ctx, aContext->GetDrawTarget(), state, gtkWidgetType,
|
|
flags, direction, scaleFactor, snapped, ToPoint(origin),
|
|
drawingRect.Size(), gdk_rect, transparency);
|
|
|
|
if (!safeState) {
|
|
// gdk_flush() call from expose event crashes Gtk+ on Wayland
|
|
// (Gnome BZ #773307)
|
|
if (GDK_IS_X11_DISPLAY(gdk_display_get_default())) {
|
|
gdk_flush();
|
|
}
|
|
gLastGdkError = gdk_error_trap_pop();
|
|
|
|
if (gLastGdkError) {
|
|
#ifdef DEBUG
|
|
printf(
|
|
"GTK theme failed for widget type %d, error was %d, state was "
|
|
"[active=%d,focused=%d,inHover=%d,disabled=%d]\n",
|
|
static_cast<int>(aAppearance), gLastGdkError, state.active,
|
|
state.focused, state.inHover, state.disabled);
|
|
#endif
|
|
NS_WARNING("GTK theme failed; disabling unsafe widget");
|
|
SetWidgetTypeDisabled(mDisabledWidgetTypes, aAppearance);
|
|
// force refresh of the window, because the widget was not
|
|
// successfully drawn it must be redrawn using the default look
|
|
RefreshWidgetWindow(aFrame);
|
|
} else {
|
|
SetWidgetStateSafe(mSafeWidgetStates, aAppearance, &state);
|
|
}
|
|
}
|
|
|
|
// Indeterminate progress bar are animated.
|
|
if (gtkWidgetType == MOZ_GTK_PROGRESS_CHUNK_INDETERMINATE ||
|
|
gtkWidgetType == MOZ_GTK_PROGRESS_CHUNK_VERTICAL_INDETERMINATE) {
|
|
if (!QueueAnimatedContentForRefresh(aFrame->GetContent(), 30)) {
|
|
NS_WARNING("unable to animate widget!");
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::CreateWebRenderCommandsForWidget(
|
|
mozilla::wr::DisplayListBuilder& aBuilder,
|
|
mozilla::wr::IpcResourceUpdateQueue& aResources,
|
|
const mozilla::layers::StackingContextHelper& aSc,
|
|
mozilla::layers::RenderRootStateManager* aManager, nsIFrame* aFrame,
|
|
StyleAppearance aAppearance, const nsRect& aRect) {
|
|
nsPresContext* presContext = aFrame->PresContext();
|
|
wr::LayoutRect bounds = wr::ToLayoutRect(LayoutDeviceRect::FromAppUnits(
|
|
aRect, presContext->AppUnitsPerDevPixel()));
|
|
|
|
switch (aAppearance) {
|
|
case StyleAppearance::Window:
|
|
case StyleAppearance::Dialog:
|
|
aBuilder.PushRect(
|
|
bounds, bounds, true,
|
|
wr::ToColorF(Color::FromABGR(LookAndFeel::GetColor(
|
|
LookAndFeel::ColorID::WindowBackground, NS_RGBA(0, 0, 0, 0)))));
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
WidgetNodeType nsNativeThemeGTK::NativeThemeToGtkTheme(
|
|
StyleAppearance aAppearance, nsIFrame* aFrame) {
|
|
WidgetNodeType gtkWidgetType;
|
|
gint unusedFlags;
|
|
|
|
if (!GetGtkWidgetAndState(aAppearance, aFrame, gtkWidgetType, nullptr,
|
|
&unusedFlags)) {
|
|
MOZ_ASSERT_UNREACHABLE("Unknown native widget to gtk widget mapping");
|
|
return MOZ_GTK_WINDOW;
|
|
}
|
|
return gtkWidgetType;
|
|
}
|
|
|
|
void nsNativeThemeGTK::GetCachedWidgetBorder(nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
GtkTextDirection aDirection,
|
|
LayoutDeviceIntMargin* aResult) {
|
|
aResult->SizeTo(0, 0, 0, 0);
|
|
|
|
WidgetNodeType gtkWidgetType;
|
|
gint unusedFlags;
|
|
if (GetGtkWidgetAndState(aAppearance, aFrame, gtkWidgetType, nullptr,
|
|
&unusedFlags)) {
|
|
MOZ_ASSERT(0 <= gtkWidgetType && gtkWidgetType < MOZ_GTK_WIDGET_NODE_COUNT);
|
|
uint8_t cacheIndex = gtkWidgetType / 8;
|
|
uint8_t cacheBit = 1u << (gtkWidgetType % 8);
|
|
|
|
if (mBorderCacheValid[cacheIndex] & cacheBit) {
|
|
*aResult = mBorderCache[gtkWidgetType];
|
|
} else {
|
|
moz_gtk_get_widget_border(gtkWidgetType, &aResult->left, &aResult->top,
|
|
&aResult->right, &aResult->bottom, aDirection);
|
|
if (gtkWidgetType != MOZ_GTK_DROPDOWN) { // depends on aDirection
|
|
mBorderCacheValid[cacheIndex] |= cacheBit;
|
|
mBorderCache[gtkWidgetType] = *aResult;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
LayoutDeviceIntMargin nsNativeThemeGTK::GetWidgetBorder(
|
|
nsDeviceContext* aContext, nsIFrame* aFrame, StyleAppearance aAppearance) {
|
|
LayoutDeviceIntMargin result;
|
|
GtkTextDirection direction = GetTextDirection(aFrame);
|
|
switch (aAppearance) {
|
|
case StyleAppearance::ScrollbarHorizontal:
|
|
case StyleAppearance::ScrollbarVertical: {
|
|
GtkOrientation orientation =
|
|
aAppearance == StyleAppearance::ScrollbarHorizontal
|
|
? GTK_ORIENTATION_HORIZONTAL
|
|
: GTK_ORIENTATION_VERTICAL;
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(orientation);
|
|
|
|
const GtkBorder& border = metrics->border.scrollbar;
|
|
result.top = border.top;
|
|
result.right = border.right;
|
|
result.bottom = border.bottom;
|
|
result.left = border.left;
|
|
} break;
|
|
case StyleAppearance::ScrollbartrackHorizontal:
|
|
case StyleAppearance::ScrollbartrackVertical: {
|
|
GtkOrientation orientation =
|
|
aAppearance == StyleAppearance::ScrollbartrackHorizontal
|
|
? GTK_ORIENTATION_HORIZONTAL
|
|
: GTK_ORIENTATION_VERTICAL;
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(orientation);
|
|
|
|
const GtkBorder& border = metrics->border.track;
|
|
result.top = border.top;
|
|
result.right = border.right;
|
|
result.bottom = border.bottom;
|
|
result.left = border.left;
|
|
} break;
|
|
case StyleAppearance::Toolbox:
|
|
// gtk has no toolbox equivalent. So, although we map toolbox to
|
|
// gtk's 'toolbar' for purposes of painting the widget background,
|
|
// we don't use the toolbar border for toolbox.
|
|
break;
|
|
case StyleAppearance::Dualbutton:
|
|
// TOOLBAR_DUAL_BUTTON is an interesting case. We want a border to draw
|
|
// around the entire button + dropdown, and also an inner border if you're
|
|
// over the button part. But, we want the inner button to be right up
|
|
// against the edge of the outer button so that the borders overlap.
|
|
// To make this happen, we draw a button border for the outer button,
|
|
// but don't reserve any space for it.
|
|
break;
|
|
case StyleAppearance::Tab: {
|
|
WidgetNodeType gtkWidgetType;
|
|
gint flags;
|
|
|
|
if (!GetGtkWidgetAndState(aAppearance, aFrame, gtkWidgetType, nullptr,
|
|
&flags)) {
|
|
return result;
|
|
}
|
|
moz_gtk_get_tab_border(&result.left, &result.top, &result.right,
|
|
&result.bottom, direction, (GtkTabFlags)flags,
|
|
gtkWidgetType);
|
|
} break;
|
|
case StyleAppearance::Menuitem:
|
|
case StyleAppearance::Checkmenuitem:
|
|
case StyleAppearance::Radiomenuitem:
|
|
// For regular menuitems, we will be using GetWidgetPadding instead of
|
|
// GetWidgetBorder to pad up the widget's internals; other menuitems
|
|
// will need to fall through and use the default case as before.
|
|
if (IsRegularMenuItem(aFrame)) break;
|
|
MOZ_FALLTHROUGH;
|
|
default: {
|
|
GetCachedWidgetBorder(aFrame, aAppearance, direction, &result);
|
|
}
|
|
}
|
|
|
|
gint scale = GetMonitorScaleFactor(aFrame);
|
|
result.top *= scale;
|
|
result.right *= scale;
|
|
result.bottom *= scale;
|
|
result.left *= scale;
|
|
return result;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::GetWidgetPadding(nsDeviceContext* aContext,
|
|
nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
LayoutDeviceIntMargin* aResult) {
|
|
if (aAppearance == StyleAppearance::MenulistButton &&
|
|
StaticPrefs::layout_css_webkit_appearance_enabled()) {
|
|
aAppearance = StyleAppearance::Menulist;
|
|
}
|
|
|
|
switch (aAppearance) {
|
|
case StyleAppearance::ButtonFocus:
|
|
case StyleAppearance::Toolbarbutton:
|
|
case StyleAppearance::MozWindowButtonBox:
|
|
case StyleAppearance::MozWindowButtonClose:
|
|
case StyleAppearance::MozWindowButtonMinimize:
|
|
case StyleAppearance::MozWindowButtonMaximize:
|
|
case StyleAppearance::MozWindowButtonRestore:
|
|
case StyleAppearance::Dualbutton:
|
|
case StyleAppearance::TabScrollArrowBack:
|
|
case StyleAppearance::TabScrollArrowForward:
|
|
case StyleAppearance::MenulistButton:
|
|
case StyleAppearance::MozMenulistButton:
|
|
case StyleAppearance::ToolbarbuttonDropdown:
|
|
case StyleAppearance::ButtonArrowUp:
|
|
case StyleAppearance::ButtonArrowDown:
|
|
case StyleAppearance::ButtonArrowNext:
|
|
case StyleAppearance::ButtonArrowPrevious:
|
|
case StyleAppearance::RangeThumb:
|
|
// Radios and checkboxes return a fixed size in GetMinimumWidgetSize
|
|
// and have a meaningful baseline, so they can't have
|
|
// author-specified padding.
|
|
case StyleAppearance::Checkbox:
|
|
case StyleAppearance::Radio:
|
|
aResult->SizeTo(0, 0, 0, 0);
|
|
return true;
|
|
case StyleAppearance::Menuitem:
|
|
case StyleAppearance::Checkmenuitem:
|
|
case StyleAppearance::Radiomenuitem: {
|
|
// Menubar and menulist have their padding specified in CSS.
|
|
if (!IsRegularMenuItem(aFrame)) return false;
|
|
|
|
GetCachedWidgetBorder(aFrame, aAppearance, GetTextDirection(aFrame),
|
|
aResult);
|
|
|
|
gint horizontal_padding;
|
|
if (aAppearance == StyleAppearance::Menuitem)
|
|
moz_gtk_menuitem_get_horizontal_padding(&horizontal_padding);
|
|
else
|
|
moz_gtk_checkmenuitem_get_horizontal_padding(&horizontal_padding);
|
|
|
|
aResult->left += horizontal_padding;
|
|
aResult->right += horizontal_padding;
|
|
|
|
gint scale = GetMonitorScaleFactor(aFrame);
|
|
aResult->top *= scale;
|
|
aResult->right *= scale;
|
|
aResult->bottom *= scale;
|
|
aResult->left *= scale;
|
|
|
|
return true;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::GetWidgetOverflow(nsDeviceContext* aContext,
|
|
nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
nsRect* aOverflowRect) {
|
|
nsIntMargin extraSize;
|
|
if (!GetExtraSizeForWidget(aFrame, aAppearance, &extraSize)) return false;
|
|
|
|
int32_t p2a = aContext->AppUnitsPerDevPixel();
|
|
nsMargin m(NSIntPixelsToAppUnits(extraSize.top, p2a),
|
|
NSIntPixelsToAppUnits(extraSize.right, p2a),
|
|
NSIntPixelsToAppUnits(extraSize.bottom, p2a),
|
|
NSIntPixelsToAppUnits(extraSize.left, p2a));
|
|
|
|
aOverflowRect->Inflate(m);
|
|
return true;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsNativeThemeGTK::GetMinimumWidgetSize(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
LayoutDeviceIntSize* aResult,
|
|
bool* aIsOverridable) {
|
|
aResult->width = aResult->height = 0;
|
|
*aIsOverridable = true;
|
|
|
|
if (aAppearance == StyleAppearance::MenulistButton &&
|
|
StaticPrefs::layout_css_webkit_appearance_enabled()) {
|
|
aAppearance = StyleAppearance::Menulist;
|
|
}
|
|
|
|
switch (aAppearance) {
|
|
case StyleAppearance::ScrollbarbuttonUp:
|
|
case StyleAppearance::ScrollbarbuttonDown: {
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(GTK_ORIENTATION_VERTICAL);
|
|
|
|
aResult->width = metrics->size.button.width;
|
|
aResult->height = metrics->size.button.height;
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::ScrollbarbuttonLeft:
|
|
case StyleAppearance::ScrollbarbuttonRight: {
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(GTK_ORIENTATION_HORIZONTAL);
|
|
|
|
aResult->width = metrics->size.button.width;
|
|
aResult->height = metrics->size.button.height;
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::Splitter: {
|
|
gint metrics;
|
|
if (IsHorizontal(aFrame)) {
|
|
moz_gtk_splitter_get_metrics(GTK_ORIENTATION_HORIZONTAL, &metrics);
|
|
aResult->width = metrics;
|
|
aResult->height = 0;
|
|
} else {
|
|
moz_gtk_splitter_get_metrics(GTK_ORIENTATION_VERTICAL, &metrics);
|
|
aResult->width = 0;
|
|
aResult->height = metrics;
|
|
}
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::ScrollbarHorizontal:
|
|
case StyleAppearance::ScrollbarVertical: {
|
|
/* While we enforce a minimum size for the thumb, this is ignored
|
|
* for the some scrollbars if buttons are hidden (bug 513006) because
|
|
* the thumb isn't a direct child of the scrollbar, unlike the buttons
|
|
* or track. So add a minimum size to the track as well to prevent a
|
|
* 0-width scrollbar. */
|
|
GtkOrientation orientation =
|
|
aAppearance == StyleAppearance::ScrollbarHorizontal
|
|
? GTK_ORIENTATION_HORIZONTAL
|
|
: GTK_ORIENTATION_VERTICAL;
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(orientation);
|
|
|
|
aResult->width = metrics->size.scrollbar.width;
|
|
aResult->height = metrics->size.scrollbar.height;
|
|
} break;
|
|
case StyleAppearance::ScrollbarthumbVertical:
|
|
case StyleAppearance::ScrollbarthumbHorizontal: {
|
|
GtkOrientation orientation =
|
|
aAppearance == StyleAppearance::ScrollbarthumbHorizontal
|
|
? GTK_ORIENTATION_HORIZONTAL
|
|
: GTK_ORIENTATION_VERTICAL;
|
|
const ScrollbarGTKMetrics* metrics =
|
|
GetActiveScrollbarMetrics(orientation);
|
|
|
|
aResult->width = metrics->size.thumb.width;
|
|
aResult->height = metrics->size.thumb.height;
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::RangeThumb: {
|
|
gint thumb_length, thumb_height;
|
|
|
|
if (IsRangeHorizontal(aFrame)) {
|
|
moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_HORIZONTAL,
|
|
&thumb_length, &thumb_height);
|
|
} else {
|
|
moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_VERTICAL, &thumb_height,
|
|
&thumb_length);
|
|
}
|
|
aResult->width = thumb_length;
|
|
aResult->height = thumb_height;
|
|
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::ScalethumbHorizontal:
|
|
case StyleAppearance::ScalethumbVertical: {
|
|
gint thumb_length, thumb_height;
|
|
|
|
if (aAppearance == StyleAppearance::ScalethumbVertical) {
|
|
moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_VERTICAL, &thumb_length,
|
|
&thumb_height);
|
|
aResult->width = thumb_height;
|
|
aResult->height = thumb_length;
|
|
} else {
|
|
moz_gtk_get_scalethumb_metrics(GTK_ORIENTATION_HORIZONTAL,
|
|
&thumb_length, &thumb_height);
|
|
aResult->width = thumb_length;
|
|
aResult->height = thumb_height;
|
|
}
|
|
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::TabScrollArrowBack:
|
|
case StyleAppearance::TabScrollArrowForward: {
|
|
moz_gtk_get_tab_scroll_arrow_size(&aResult->width, &aResult->height);
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::MenulistButton:
|
|
case StyleAppearance::MozMenulistButton: {
|
|
moz_gtk_get_combo_box_entry_button_size(&aResult->width,
|
|
&aResult->height);
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::Menuseparator: {
|
|
gint separator_height;
|
|
|
|
moz_gtk_get_menu_separator_height(&separator_height);
|
|
aResult->height = separator_height;
|
|
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::Checkbox:
|
|
case StyleAppearance::Radio: {
|
|
const ToggleGTKMetrics* metrics = GetToggleMetrics(
|
|
aAppearance == StyleAppearance::Radio ? MOZ_GTK_RADIOBUTTON
|
|
: MOZ_GTK_CHECKBUTTON);
|
|
aResult->width = metrics->minSizeWithBorder.width;
|
|
aResult->height = metrics->minSizeWithBorder.height;
|
|
} break;
|
|
case StyleAppearance::ToolbarbuttonDropdown:
|
|
case StyleAppearance::ButtonArrowUp:
|
|
case StyleAppearance::ButtonArrowDown:
|
|
case StyleAppearance::ButtonArrowNext:
|
|
case StyleAppearance::ButtonArrowPrevious: {
|
|
moz_gtk_get_arrow_size(MOZ_GTK_TOOLBARBUTTON_ARROW, &aResult->width,
|
|
&aResult->height);
|
|
*aIsOverridable = false;
|
|
} break;
|
|
case StyleAppearance::MozWindowButtonClose: {
|
|
const ToolbarButtonGTKMetrics* metrics =
|
|
GetToolbarButtonMetrics(MOZ_GTK_HEADER_BAR_BUTTON_CLOSE);
|
|
aResult->width = metrics->minSizeWithBorderMargin.width;
|
|
aResult->height = metrics->minSizeWithBorderMargin.height;
|
|
break;
|
|
}
|
|
case StyleAppearance::MozWindowButtonMinimize: {
|
|
const ToolbarButtonGTKMetrics* metrics =
|
|
GetToolbarButtonMetrics(MOZ_GTK_HEADER_BAR_BUTTON_MINIMIZE);
|
|
aResult->width = metrics->minSizeWithBorderMargin.width;
|
|
aResult->height = metrics->minSizeWithBorderMargin.height;
|
|
break;
|
|
}
|
|
case StyleAppearance::MozWindowButtonMaximize:
|
|
case StyleAppearance::MozWindowButtonRestore: {
|
|
const ToolbarButtonGTKMetrics* metrics =
|
|
GetToolbarButtonMetrics(MOZ_GTK_HEADER_BAR_BUTTON_MAXIMIZE);
|
|
aResult->width = metrics->minSizeWithBorderMargin.width;
|
|
aResult->height = metrics->minSizeWithBorderMargin.height;
|
|
break;
|
|
}
|
|
case StyleAppearance::CheckboxContainer:
|
|
case StyleAppearance::RadioContainer:
|
|
case StyleAppearance::CheckboxLabel:
|
|
case StyleAppearance::RadioLabel:
|
|
case StyleAppearance::Button:
|
|
case StyleAppearance::Menulist:
|
|
case StyleAppearance::Toolbarbutton:
|
|
case StyleAppearance::Treeheadercell: {
|
|
if (aAppearance == StyleAppearance::Menulist) {
|
|
// Include the arrow size.
|
|
moz_gtk_get_arrow_size(MOZ_GTK_DROPDOWN, &aResult->width,
|
|
&aResult->height);
|
|
}
|
|
// else the minimum size is missing consideration of container
|
|
// descendants; the value returned here will not be helpful, but the
|
|
// box model may consider border and padding with child minimum sizes.
|
|
|
|
LayoutDeviceIntMargin border;
|
|
GetCachedWidgetBorder(aFrame, aAppearance, GetTextDirection(aFrame),
|
|
&border);
|
|
aResult->width += border.left + border.right;
|
|
aResult->height += border.top + border.bottom;
|
|
} break;
|
|
#ifdef MOZ_WIDGET_GTK
|
|
case StyleAppearance::MenulistTextfield:
|
|
case StyleAppearance::NumberInput:
|
|
case StyleAppearance::Textfield: {
|
|
moz_gtk_get_entry_min_height(&aResult->height);
|
|
} break;
|
|
#endif
|
|
case StyleAppearance::Separator: {
|
|
gint separator_width;
|
|
|
|
moz_gtk_get_toolbar_separator_width(&separator_width);
|
|
|
|
aResult->width = separator_width;
|
|
} break;
|
|
case StyleAppearance::InnerSpinButton:
|
|
case StyleAppearance::Spinner:
|
|
// hard code these sizes
|
|
aResult->width = 14;
|
|
aResult->height = 26;
|
|
break;
|
|
case StyleAppearance::Treeheadersortarrow:
|
|
case StyleAppearance::SpinnerUpbutton:
|
|
case StyleAppearance::SpinnerDownbutton:
|
|
// hard code these sizes
|
|
aResult->width = 14;
|
|
aResult->height = 13;
|
|
break;
|
|
case StyleAppearance::Resizer:
|
|
// same as Windows to make our lives easier
|
|
aResult->width = aResult->height = 15;
|
|
*aIsOverridable = false;
|
|
break;
|
|
case StyleAppearance::Treetwisty:
|
|
case StyleAppearance::Treetwistyopen: {
|
|
gint expander_size;
|
|
|
|
moz_gtk_get_treeview_expander_size(&expander_size);
|
|
aResult->width = aResult->height = expander_size;
|
|
*aIsOverridable = false;
|
|
} break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
*aResult = *aResult * GetMonitorScaleFactor(aFrame);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsNativeThemeGTK::WidgetStateChanged(nsIFrame* aFrame,
|
|
StyleAppearance aAppearance,
|
|
nsAtom* aAttribute, bool* aShouldRepaint,
|
|
const nsAttrValue* aOldValue) {
|
|
// Some widget types just never change state.
|
|
if (aAppearance == StyleAppearance::Toolbox ||
|
|
aAppearance == StyleAppearance::Toolbar ||
|
|
aAppearance == StyleAppearance::Statusbar ||
|
|
aAppearance == StyleAppearance::Statusbarpanel ||
|
|
aAppearance == StyleAppearance::Resizerpanel ||
|
|
aAppearance == StyleAppearance::Progresschunk ||
|
|
aAppearance == StyleAppearance::ProgressBar ||
|
|
aAppearance == StyleAppearance::ProgressbarVertical ||
|
|
aAppearance == StyleAppearance::Menubar ||
|
|
aAppearance == StyleAppearance::Menupopup ||
|
|
aAppearance == StyleAppearance::Tooltip ||
|
|
aAppearance == StyleAppearance::Menuseparator ||
|
|
aAppearance == StyleAppearance::Window ||
|
|
aAppearance == StyleAppearance::Dialog) {
|
|
*aShouldRepaint = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
if (aAppearance == StyleAppearance::MozWindowTitlebar ||
|
|
aAppearance == StyleAppearance::MozWindowTitlebarMaximized ||
|
|
aAppearance == StyleAppearance::MozWindowButtonClose ||
|
|
aAppearance == StyleAppearance::MozWindowButtonMinimize ||
|
|
aAppearance == StyleAppearance::MozWindowButtonMaximize ||
|
|
aAppearance == StyleAppearance::MozWindowButtonRestore) {
|
|
*aShouldRepaint = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
if ((aAppearance == StyleAppearance::ScrollbarthumbVertical ||
|
|
aAppearance == StyleAppearance::ScrollbarthumbHorizontal) &&
|
|
aAttribute == nsGkAtoms::active) {
|
|
*aShouldRepaint = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
if ((aAppearance == StyleAppearance::ScrollbarbuttonUp ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonDown ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonLeft ||
|
|
aAppearance == StyleAppearance::ScrollbarbuttonRight) &&
|
|
(aAttribute == nsGkAtoms::curpos || aAttribute == nsGkAtoms::maxpos)) {
|
|
// If 'curpos' has changed and we are passed its old value, we can
|
|
// determine whether the button's enablement actually needs to change.
|
|
if (aAttribute == nsGkAtoms::curpos && aOldValue) {
|
|
int32_t curpos = CheckIntAttr(aFrame, nsGkAtoms::curpos, 0);
|
|
int32_t maxpos = CheckIntAttr(aFrame, nsGkAtoms::maxpos, 0);
|
|
nsAutoString str;
|
|
aOldValue->ToString(str);
|
|
nsresult err;
|
|
int32_t oldCurpos = str.ToInteger(&err);
|
|
if (str.IsEmpty() || NS_FAILED(err)) {
|
|
*aShouldRepaint = true;
|
|
} else {
|
|
bool disabledBefore =
|
|
ShouldScrollbarButtonBeDisabled(oldCurpos, maxpos, aAppearance);
|
|
bool disabledNow =
|
|
ShouldScrollbarButtonBeDisabled(curpos, maxpos, aAppearance);
|
|
*aShouldRepaint = (disabledBefore != disabledNow);
|
|
}
|
|
} else {
|
|
*aShouldRepaint = true;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXXdwh Not sure what can really be done here. Can at least guess for
|
|
// specific widgets that they're highly unlikely to have certain states.
|
|
// For example, a toolbar doesn't care about any states.
|
|
if (!aAttribute) {
|
|
// Hover/focus/active changed. Always repaint.
|
|
*aShouldRepaint = true;
|
|
} else {
|
|
// Check the attribute to see if it's relevant.
|
|
// disabled, checked, dlgtype, default, etc.
|
|
*aShouldRepaint = false;
|
|
if (aAttribute == nsGkAtoms::disabled || aAttribute == nsGkAtoms::checked ||
|
|
aAttribute == nsGkAtoms::selected ||
|
|
aAttribute == nsGkAtoms::visuallyselected ||
|
|
aAttribute == nsGkAtoms::focused || aAttribute == nsGkAtoms::readonly ||
|
|
aAttribute == nsGkAtoms::_default ||
|
|
aAttribute == nsGkAtoms::menuactive || aAttribute == nsGkAtoms::open ||
|
|
aAttribute == nsGkAtoms::parentfocused)
|
|
*aShouldRepaint = true;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsNativeThemeGTK::ThemeChanged() {
|
|
memset(mDisabledWidgetTypes, 0, sizeof(mDisabledWidgetTypes));
|
|
memset(mSafeWidgetStates, 0, sizeof(mSafeWidgetStates));
|
|
memset(mBorderCacheValid, 0, sizeof(mBorderCacheValid));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
nsNativeThemeGTK::ThemeSupportsWidget(nsPresContext* aPresContext,
|
|
nsIFrame* aFrame,
|
|
StyleAppearance aAppearance) {
|
|
if (IsWidgetTypeDisabled(mDisabledWidgetTypes, aAppearance)) return false;
|
|
|
|
if (IsWidgetScrollbarPart(aAppearance)) {
|
|
ComputedStyle* cs = nsLayoutUtils::StyleForScrollbar(aFrame);
|
|
if (cs->StyleUI()->HasCustomScrollbars() ||
|
|
// We cannot handle thin scrollbar on GTK+ widget directly as well.
|
|
cs->StyleUIReset()->mScrollbarWidth == StyleScrollbarWidth::Thin) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (aAppearance == StyleAppearance::MenulistButton &&
|
|
StaticPrefs::layout_css_webkit_appearance_enabled()) {
|
|
aAppearance = StyleAppearance::Menulist;
|
|
}
|
|
|
|
switch (aAppearance) {
|
|
// Combobox dropdowns don't support native theming in vertical mode.
|
|
case StyleAppearance::Menulist:
|
|
case StyleAppearance::MenulistText:
|
|
if (aFrame && aFrame->GetWritingMode().IsVertical()) {
|
|
return false;
|
|
}
|
|
MOZ_FALLTHROUGH;
|
|
|
|
case StyleAppearance::Button:
|
|
case StyleAppearance::ButtonFocus:
|
|
case StyleAppearance::Radio:
|
|
case StyleAppearance::Checkbox:
|
|
case StyleAppearance::Toolbox: // N/A
|
|
case StyleAppearance::Toolbar:
|
|
case StyleAppearance::Toolbarbutton:
|
|
case StyleAppearance::Dualbutton: // so we can override the border with 0
|
|
case StyleAppearance::ToolbarbuttonDropdown:
|
|
case StyleAppearance::ButtonArrowUp:
|
|
case StyleAppearance::ButtonArrowDown:
|
|
case StyleAppearance::ButtonArrowNext:
|
|
case StyleAppearance::ButtonArrowPrevious:
|
|
case StyleAppearance::Separator:
|
|
case StyleAppearance::Toolbargripper:
|
|
case StyleAppearance::Statusbar:
|
|
case StyleAppearance::Statusbarpanel:
|
|
case StyleAppearance::Resizerpanel:
|
|
case StyleAppearance::Resizer:
|
|
case StyleAppearance::Listbox:
|
|
// case StyleAppearance::Listitem:
|
|
case StyleAppearance::Treeview:
|
|
// case StyleAppearance::Treeitem:
|
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case StyleAppearance::Treetwisty:
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// case StyleAppearance::Treeline:
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// case StyleAppearance::Treeheader:
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case StyleAppearance::Treeheadercell:
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case StyleAppearance::Treeheadersortarrow:
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case StyleAppearance::Treetwistyopen:
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case StyleAppearance::ProgressBar:
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case StyleAppearance::Progresschunk:
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case StyleAppearance::ProgressbarVertical:
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case StyleAppearance::Tab:
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// case StyleAppearance::Tabpanel:
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case StyleAppearance::Tabpanels:
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case StyleAppearance::TabScrollArrowBack:
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case StyleAppearance::TabScrollArrowForward:
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case StyleAppearance::Tooltip:
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case StyleAppearance::InnerSpinButton:
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case StyleAppearance::Spinner:
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case StyleAppearance::SpinnerUpbutton:
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case StyleAppearance::SpinnerDownbutton:
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case StyleAppearance::SpinnerTextfield:
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// case StyleAppearance::Scrollbar: (n/a for gtk)
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// case StyleAppearance::ScrollbarSmall: (n/a for gtk)
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case StyleAppearance::ScrollbarbuttonUp:
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case StyleAppearance::ScrollbarbuttonDown:
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case StyleAppearance::ScrollbarbuttonLeft:
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case StyleAppearance::ScrollbarbuttonRight:
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case StyleAppearance::ScrollbarHorizontal:
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case StyleAppearance::ScrollbarVertical:
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case StyleAppearance::ScrollbartrackHorizontal:
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case StyleAppearance::ScrollbartrackVertical:
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case StyleAppearance::ScrollbarthumbHorizontal:
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case StyleAppearance::ScrollbarthumbVertical:
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case StyleAppearance::MenulistTextfield:
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case StyleAppearance::NumberInput:
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case StyleAppearance::Textfield:
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case StyleAppearance::Textarea:
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case StyleAppearance::Range:
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case StyleAppearance::RangeThumb:
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case StyleAppearance::ScaleHorizontal:
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case StyleAppearance::ScalethumbHorizontal:
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case StyleAppearance::ScaleVertical:
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case StyleAppearance::ScalethumbVertical:
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// case StyleAppearance::Scalethumbstart:
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// case StyleAppearance::Scalethumbend:
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// case StyleAppearance::Scalethumbtick:
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case StyleAppearance::CheckboxContainer:
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case StyleAppearance::RadioContainer:
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case StyleAppearance::CheckboxLabel:
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case StyleAppearance::RadioLabel:
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case StyleAppearance::Menubar:
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case StyleAppearance::Menupopup:
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case StyleAppearance::Menuitem:
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case StyleAppearance::Menuarrow:
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|
case StyleAppearance::Menuseparator:
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case StyleAppearance::Checkmenuitem:
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case StyleAppearance::Radiomenuitem:
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case StyleAppearance::Splitter:
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case StyleAppearance::Window:
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case StyleAppearance::Dialog:
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#ifdef MOZ_WIDGET_GTK
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case StyleAppearance::MozGtkInfoBar:
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|
#endif
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|
return !IsWidgetStyled(aPresContext, aFrame, aAppearance);
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|
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case StyleAppearance::MozWindowButtonBox:
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case StyleAppearance::MozWindowButtonClose:
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|
case StyleAppearance::MozWindowButtonMinimize:
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|
case StyleAppearance::MozWindowButtonMaximize:
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|
case StyleAppearance::MozWindowButtonRestore:
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|
case StyleAppearance::MozWindowTitlebar:
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|
case StyleAppearance::MozWindowTitlebarMaximized:
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|
// GtkHeaderBar is available on GTK 3.10+, which is used for styling
|
|
// title bars and title buttons.
|
|
return gtk_check_version(3, 10, 0) == nullptr &&
|
|
!IsWidgetStyled(aPresContext, aFrame, aAppearance);
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|
|
|
case StyleAppearance::MenulistButton:
|
|
case StyleAppearance::MozMenulistButton:
|
|
if (aFrame && aFrame->GetWritingMode().IsVertical()) {
|
|
return false;
|
|
}
|
|
// "Native" dropdown buttons cause padding and margin problems, but only
|
|
// in HTML so allow them in XUL.
|
|
return (!aFrame ||
|
|
IsFrameContentNodeInNamespace(aFrame, kNameSpaceID_XUL)) &&
|
|
!IsWidgetStyled(aPresContext, aFrame, aAppearance);
|
|
|
|
case StyleAppearance::FocusOutline:
|
|
return true;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
NS_IMETHODIMP_(bool)
|
|
nsNativeThemeGTK::WidgetIsContainer(StyleAppearance aAppearance) {
|
|
if (aAppearance == StyleAppearance::MenulistButton &&
|
|
StaticPrefs::layout_css_webkit_appearance_enabled()) {
|
|
aAppearance = StyleAppearance::Menulist;
|
|
}
|
|
|
|
// XXXdwh At some point flesh all of this out.
|
|
if (aAppearance == StyleAppearance::MenulistButton ||
|
|
aAppearance == StyleAppearance::MozMenulistButton ||
|
|
aAppearance == StyleAppearance::Radio ||
|
|
aAppearance == StyleAppearance::RangeThumb ||
|
|
aAppearance == StyleAppearance::Checkbox ||
|
|
aAppearance == StyleAppearance::TabScrollArrowBack ||
|
|
aAppearance == StyleAppearance::TabScrollArrowForward ||
|
|
aAppearance == StyleAppearance::ButtonArrowUp ||
|
|
aAppearance == StyleAppearance::ButtonArrowDown ||
|
|
aAppearance == StyleAppearance::ButtonArrowNext ||
|
|
aAppearance == StyleAppearance::ButtonArrowPrevious)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::ThemeDrawsFocusForWidget(StyleAppearance aAppearance) {
|
|
if (aAppearance == StyleAppearance::MenulistButton &&
|
|
StaticPrefs::layout_css_webkit_appearance_enabled()) {
|
|
aAppearance = StyleAppearance::Menulist;
|
|
}
|
|
|
|
if (aAppearance == StyleAppearance::Menulist ||
|
|
aAppearance == StyleAppearance::Button ||
|
|
aAppearance == StyleAppearance::Treeheadercell)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool nsNativeThemeGTK::ThemeNeedsComboboxDropmarker() { return false; }
|
|
|
|
nsITheme::Transparency nsNativeThemeGTK::GetWidgetTransparency(
|
|
nsIFrame* aFrame, StyleAppearance aAppearance) {
|
|
switch (aAppearance) {
|
|
// These widgets always draw a default background.
|
|
case StyleAppearance::Menupopup:
|
|
case StyleAppearance::Window:
|
|
case StyleAppearance::Dialog:
|
|
return eOpaque;
|
|
case StyleAppearance::ScrollbarVertical:
|
|
case StyleAppearance::ScrollbarHorizontal:
|
|
#ifdef MOZ_WIDGET_GTK
|
|
// Make scrollbar tracks opaque on the window's scroll frame to prevent
|
|
// leaf layers from overlapping. See bug 1179780.
|
|
if (!(CheckBooleanAttr(aFrame, nsGkAtoms::root_) &&
|
|
aFrame->PresContext()->IsRootContentDocument() &&
|
|
IsFrameContentNodeInNamespace(aFrame, kNameSpaceID_XUL)))
|
|
return eTransparent;
|
|
#endif
|
|
return eOpaque;
|
|
// Tooltips use gtk_paint_flat_box() on Gtk2
|
|
// but are shaped on Gtk3
|
|
case StyleAppearance::Tooltip:
|
|
return eTransparent;
|
|
default:
|
|
return eUnknownTransparency;
|
|
}
|
|
}
|
|
|
|
bool nsNativeThemeGTK::WidgetAppearanceDependsOnWindowFocus(
|
|
StyleAppearance aAppearance) {
|
|
switch (aAppearance) {
|
|
case StyleAppearance::ScrollbarbuttonUp:
|
|
case StyleAppearance::ScrollbarbuttonDown:
|
|
case StyleAppearance::ScrollbarbuttonLeft:
|
|
case StyleAppearance::ScrollbarbuttonRight:
|
|
case StyleAppearance::ScrollbarVertical:
|
|
case StyleAppearance::ScrollbarHorizontal:
|
|
case StyleAppearance::ScrollbartrackHorizontal:
|
|
case StyleAppearance::ScrollbartrackVertical:
|
|
case StyleAppearance::ScrollbarthumbVertical:
|
|
case StyleAppearance::ScrollbarthumbHorizontal:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
already_AddRefed<nsITheme> do_GetNativeTheme() {
|
|
if (StaticPrefs::widget_disable_native_theme()) {
|
|
return nullptr;
|
|
}
|
|
|
|
static nsCOMPtr<nsITheme> inst;
|
|
|
|
if (!inst) {
|
|
if (gfxPlatform::IsHeadless()) {
|
|
inst = new HeadlessThemeGTK();
|
|
} else {
|
|
inst = new nsNativeThemeGTK();
|
|
}
|
|
ClearOnShutdown(&inst);
|
|
}
|
|
|
|
return do_AddRef(inst);
|
|
}
|