631 lines
27 KiB
C++
631 lines
27 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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#ifndef Window_h__
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#define Window_h__
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/*
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* nsWindow - Native window management and event handling.
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*/
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#include "nsAutoPtr.h"
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#include "nsBaseWidget.h"
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#include "nsWindowBase.h"
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#include "nsdefs.h"
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#include "nsIdleService.h"
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#include "nsToolkit.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "gfxWindowsPlatform.h"
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#include "gfxWindowsSurface.h"
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#include "nsWindowDbg.h"
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#include "cairo.h"
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#include "nsITimer.h"
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#include "nsRegion.h"
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#include "mozilla/EventForwards.h"
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#include "mozilla/MouseEvents.h"
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#include "mozilla/TimeStamp.h"
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#include "nsMargin.h"
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#include "nsRegionFwd.h"
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#include "nsWinGesture.h"
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#include "WindowHook.h"
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#include "TaskbarWindowPreview.h"
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#ifdef ACCESSIBILITY
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#include "oleacc.h"
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#include "mozilla/a11y/Accessible.h"
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#endif
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#include "nsUXThemeData.h"
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#include "nsIDOMMouseEvent.h"
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#include "nsIIdleServiceInternal.h"
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#include "IMMHandler.h"
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/**
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* Forward class definitions
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*/
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class nsNativeDragTarget;
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class nsIRollupListener;
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class imgIContainer;
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namespace mozilla {
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namespace widget {
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class NativeKey;
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struct MSGResult;
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} // namespace widget
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} // namespacw mozilla;
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/**
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* Native WIN32 window wrapper.
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*/
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class nsWindow : public nsWindowBase
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{
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typedef mozilla::TimeStamp TimeStamp;
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typedef mozilla::TimeDuration TimeDuration;
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typedef mozilla::widget::WindowHook WindowHook;
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typedef mozilla::widget::TaskbarWindowPreview TaskbarWindowPreview;
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typedef mozilla::widget::NativeKey NativeKey;
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typedef mozilla::widget::MSGResult MSGResult;
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typedef mozilla::widget::IMEContext IMEContext;
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public:
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nsWindow();
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NS_DECL_ISUPPORTS_INHERITED
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friend class nsWindowGfx;
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// nsWindowBase
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virtual void InitEvent(mozilla::WidgetGUIEvent& aEvent,
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LayoutDeviceIntPoint* aPoint = nullptr) override;
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virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent) override;
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virtual bool DispatchKeyboardEvent(mozilla::WidgetKeyboardEvent* aEvent) override;
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virtual bool DispatchWheelEvent(mozilla::WidgetWheelEvent* aEvent) override;
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virtual bool DispatchContentCommandEvent(mozilla::WidgetContentCommandEvent* aEvent) override;
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virtual nsWindowBase* GetParentWindowBase(bool aIncludeOwner) override;
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virtual bool IsTopLevelWidget() override { return mIsTopWidgetWindow; }
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using nsWindowBase::DispatchPluginEvent;
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// nsIWidget interface
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NS_IMETHOD Create(nsIWidget* aParent,
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nsNativeWidget aNativeParent,
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const LayoutDeviceIntRect& aRect,
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nsWidgetInitData* aInitData = nullptr);
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NS_IMETHOD Destroy();
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NS_IMETHOD SetParent(nsIWidget *aNewParent);
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virtual nsIWidget* GetParent(void);
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virtual float GetDPI();
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virtual double GetDefaultScaleInternal();
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NS_IMETHOD Show(bool bState);
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virtual bool IsVisible() const;
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NS_IMETHOD ConstrainPosition(bool aAllowSlop, int32_t *aX, int32_t *aY);
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virtual void SetSizeConstraints(const SizeConstraints& aConstraints);
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NS_IMETHOD Move(double aX, double aY);
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NS_IMETHOD Resize(double aWidth, double aHeight, bool aRepaint);
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NS_IMETHOD Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint);
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NS_IMETHOD BeginResizeDrag(mozilla::WidgetGUIEvent* aEvent,
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int32_t aHorizontal,
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int32_t aVertical);
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NS_IMETHOD PlaceBehind(nsTopLevelWidgetZPlacement aPlacement, nsIWidget *aWidget, bool aActivate);
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NS_IMETHOD SetSizeMode(nsSizeMode aMode);
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NS_IMETHOD Enable(bool aState);
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virtual bool IsEnabled() const;
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NS_IMETHOD SetFocus(bool aRaise);
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NS_IMETHOD GetBounds(LayoutDeviceIntRect& aRect) override;
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NS_IMETHOD GetScreenBounds(LayoutDeviceIntRect& aRect) override;
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NS_IMETHOD GetRestoredBounds(LayoutDeviceIntRect& aRect) override;
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NS_IMETHOD GetClientBounds(LayoutDeviceIntRect& aRect) override;
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virtual LayoutDeviceIntPoint GetClientOffset() override;
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void SetBackgroundColor(const nscolor& aColor);
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NS_IMETHOD SetCursor(imgIContainer* aCursor,
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uint32_t aHotspotX, uint32_t aHotspotY);
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NS_IMETHOD SetCursor(nsCursor aCursor);
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virtual nsresult ConfigureChildren(const nsTArray<Configuration>& aConfigurations);
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virtual bool PrepareForFullscreenTransition(nsISupports** aData) override;
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virtual void PerformFullscreenTransition(FullscreenTransitionStage aStage,
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uint16_t aDuration,
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nsISupports* aData,
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nsIRunnable* aCallback) override;
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NS_IMETHOD MakeFullScreen(bool aFullScreen, nsIScreen* aScreen = nullptr);
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NS_IMETHOD HideWindowChrome(bool aShouldHide);
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NS_IMETHOD Invalidate(bool aEraseBackground = false,
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bool aUpdateNCArea = false,
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bool aIncludeChildren = false);
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NS_IMETHOD Invalidate(const LayoutDeviceIntRect& aRect);
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virtual void* GetNativeData(uint32_t aDataType);
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void SetNativeData(uint32_t aDataType, uintptr_t aVal) override;
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virtual void FreeNativeData(void * data, uint32_t aDataType);
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NS_IMETHOD SetTitle(const nsAString& aTitle);
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NS_IMETHOD SetIcon(const nsAString& aIconSpec);
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virtual LayoutDeviceIntPoint WidgetToScreenOffset();
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virtual LayoutDeviceIntSize ClientToWindowSize(const LayoutDeviceIntSize& aClientSize) override;
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NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus& aStatus);
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NS_IMETHOD EnableDragDrop(bool aEnable);
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NS_IMETHOD CaptureMouse(bool aCapture);
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NS_IMETHOD CaptureRollupEvents(nsIRollupListener * aListener,
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bool aDoCapture);
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NS_IMETHOD GetAttention(int32_t aCycleCount);
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virtual bool HasPendingInputEvent();
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virtual LayerManager* GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
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LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
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LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT,
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bool* aAllowRetaining = nullptr);
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NS_IMETHOD OnDefaultButtonLoaded(const LayoutDeviceIntRect& aButtonRect) override;
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NS_IMETHOD OverrideSystemMouseScrollSpeed(double aOriginalDeltaX,
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double aOriginalDeltaY,
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double& aOverriddenDeltaX,
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double& aOverriddenDeltaY);
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virtual nsresult SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
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int32_t aNativeKeyCode,
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uint32_t aModifierFlags,
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const nsAString& aCharacters,
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const nsAString& aUnmodifiedCharacters,
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nsIObserver* aObserver) override;
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virtual nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
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uint32_t aNativeMessage,
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uint32_t aModifierFlags,
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nsIObserver* aObserver) override;
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virtual nsresult SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
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nsIObserver* aObserver) override
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{ return SynthesizeNativeMouseEvent(aPoint, MOUSEEVENTF_MOVE, 0, aObserver); }
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virtual nsresult SynthesizeNativeMouseScrollEvent(LayoutDeviceIntPoint aPoint,
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uint32_t aNativeMessage,
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double aDeltaX,
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double aDeltaY,
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double aDeltaZ,
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uint32_t aModifierFlags,
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uint32_t aAdditionalFlags,
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nsIObserver* aObserver) override;
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NS_IMETHOD_(void) SetInputContext(const InputContext& aContext,
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const InputContextAction& aAction);
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NS_IMETHOD_(InputContext) GetInputContext();
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#ifdef MOZ_XUL
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virtual void SetTransparencyMode(nsTransparencyMode aMode);
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virtual nsTransparencyMode GetTransparencyMode();
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virtual void UpdateOpaqueRegion(const LayoutDeviceIntRegion& aOpaqueRegion);
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#endif // MOZ_XUL
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virtual nsIMEUpdatePreference GetIMEUpdatePreference();
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NS_IMETHOD GetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
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NS_IMETHOD SetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
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void SetDrawsInTitlebar(bool aState);
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already_AddRefed<mozilla::gfx::DrawTarget> StartRemoteDrawing() override;
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virtual void EndRemoteDrawing() override;
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virtual void UpdateWindowDraggingRegion(const LayoutDeviceIntRegion& aRegion) override;
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virtual void UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) override;
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virtual uint32_t GetMaxTouchPoints() const override;
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/**
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* Event helpers
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*/
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virtual bool DispatchMouseEvent(
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mozilla::EventMessage aEventMessage,
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WPARAM wParam,
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LPARAM lParam,
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bool aIsContextMenuKey = false,
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int16_t aButton =
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mozilla::WidgetMouseEvent::eLeftButton,
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uint16_t aInputSource =
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nsIDOMMouseEvent::MOZ_SOURCE_MOUSE);
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virtual bool DispatchWindowEvent(mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus& aStatus);
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void DispatchPendingEvents();
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bool DispatchPluginEvent(UINT aMessage,
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WPARAM aWParam,
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LPARAM aLParam,
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bool aDispatchPendingEvents);
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void SuppressBlurEvents(bool aSuppress); // Called from nsFilePicker
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bool BlurEventsSuppressed();
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#ifdef ACCESSIBILITY
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/**
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* Return an accessible associated with the window.
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*/
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mozilla::a11y::Accessible* GetAccessible();
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#endif // ACCESSIBILITY
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/**
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* Window utilities
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*/
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nsWindow* GetTopLevelWindow(bool aStopOnDialogOrPopup);
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WNDPROC GetPrevWindowProc() { return mPrevWndProc; }
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WindowHook& GetWindowHook() { return mWindowHook; }
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nsWindow* GetParentWindow(bool aIncludeOwner);
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// Get an array of all nsWindow*s on the main thread.
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typedef void (WindowEnumCallback)(nsWindow*);
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static void EnumAllWindows(WindowEnumCallback aCallback);
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/**
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* Misc.
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*/
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virtual bool AutoErase(HDC dc);
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bool ComputeShouldAccelerate() override;
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static void ClearCompositor(nsWindow* aWindow);
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/**
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* AssociateDefaultIMC() associates or disassociates the default IMC for
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* the window.
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*
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* @param aAssociate TRUE, associates the default IMC with the window.
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* Otherwise, disassociates the default IMC from the
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* window.
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* @return TRUE if this method associated the default IMC with
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* disassociated window or disassociated the default IMC
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* from associated window.
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* Otherwise, i.e., if this method did nothing actually,
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* FALSE.
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*/
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bool AssociateDefaultIMC(bool aAssociate);
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bool HasTaskbarIconBeenCreated() { return mHasTaskbarIconBeenCreated; }
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// Called when either the nsWindow or an nsITaskbarTabPreview receives the noticiation that this window
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// has its icon placed on the taskbar.
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void SetHasTaskbarIconBeenCreated(bool created = true) { mHasTaskbarIconBeenCreated = created; }
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// Getter/setter for the nsITaskbarWindowPreview for this nsWindow
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already_AddRefed<nsITaskbarWindowPreview> GetTaskbarPreview() {
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nsCOMPtr<nsITaskbarWindowPreview> preview(do_QueryReferent(mTaskbarPreview));
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return preview.forget();
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}
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void SetTaskbarPreview(nsITaskbarWindowPreview *preview) { mTaskbarPreview = do_GetWeakReference(preview); }
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NS_IMETHOD ReparentNativeWidget(nsIWidget* aNewParent);
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// Open file picker tracking
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void PickerOpen();
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void PickerClosed();
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bool const DestroyCalled() { return mDestroyCalled; }
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bool IsPopup();
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virtual bool ShouldUseOffMainThreadCompositing();
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bool CaptureWidgetOnScreen(RefPtr<mozilla::gfx::DrawTarget> aDT);
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const IMEContext& DefaultIMC() const { return mDefaultIMC; }
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protected:
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virtual ~nsWindow();
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virtual void WindowUsesOMTC() override;
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virtual void RegisterTouchWindow() override;
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virtual nsresult NotifyIMEInternal(
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const IMENotification& aIMENotification) override;
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// A magic number to identify the FAKETRACKPOINTSCROLLABLE window created
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// when the trackpoint hack is enabled.
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enum { eFakeTrackPointScrollableID = 0x46545053 };
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/**
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* Callbacks
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*/
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static LRESULT CALLBACK WindowProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK WindowProcInternal(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
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static BOOL CALLBACK BroadcastMsgToChildren(HWND aWnd, LPARAM aMsg);
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static BOOL CALLBACK BroadcastMsg(HWND aTopWindow, LPARAM aMsg);
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static BOOL CALLBACK DispatchStarvedPaints(HWND aTopWindow, LPARAM aMsg);
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static BOOL CALLBACK RegisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
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static BOOL CALLBACK UnregisterTouchForDescendants(HWND aTopWindow, LPARAM aMsg);
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static LRESULT CALLBACK MozSpecialMsgFilter(int code, WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK MozSpecialWndProc(int code, WPARAM wParam, LPARAM lParam);
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static LRESULT CALLBACK MozSpecialMouseProc(int code, WPARAM wParam, LPARAM lParam);
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static VOID CALLBACK HookTimerForPopups( HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime );
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static BOOL CALLBACK ClearResourcesCallback(HWND aChild, LPARAM aParam);
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static BOOL CALLBACK EnumAllChildWindProc(HWND aWnd, LPARAM aParam);
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static BOOL CALLBACK EnumAllThreadWindowProc(HWND aWnd, LPARAM aParam);
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/**
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* Window utilities
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*/
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LPARAM lParamToScreen(LPARAM lParam);
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LPARAM lParamToClient(LPARAM lParam);
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virtual void SubclassWindow(BOOL bState);
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bool CanTakeFocus();
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bool UpdateNonClientMargins(int32_t aSizeMode = -1, bool aReflowWindow = true);
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void UpdateGetWindowInfoCaptionStatus(bool aActiveCaption);
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void ResetLayout();
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void InvalidateNonClientRegion();
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HRGN ExcludeNonClientFromPaintRegion(HRGN aRegion);
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static const wchar_t* GetMainWindowClass();
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bool HasGlass() const {
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return mTransparencyMode == eTransparencyGlass ||
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mTransparencyMode == eTransparencyBorderlessGlass;
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}
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HWND GetOwnerWnd() const
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{
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return ::GetWindow(mWnd, GW_OWNER);
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}
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bool IsOwnerForegroundWindow() const
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{
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HWND owner = GetOwnerWnd();
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return owner && owner == ::GetForegroundWindow();
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}
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bool IsPopup() const
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{
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return mWindowType == eWindowType_popup;
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}
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/**
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* Event processing helpers
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*/
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void DispatchFocusToTopLevelWindow(bool aIsActivate);
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bool DispatchStandardEvent(mozilla::EventMessage aMsg);
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void RelayMouseEvent(UINT aMsg, WPARAM wParam, LPARAM lParam);
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virtual bool ProcessMessage(UINT msg, WPARAM &wParam,
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LPARAM &lParam, LRESULT *aRetValue);
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bool ExternalHandlerProcessMessage(
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UINT aMessage, WPARAM& aWParam,
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LPARAM& aLParam, MSGResult& aResult);
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bool ProcessMessageForPlugin(const MSG &aMsg,
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MSGResult& aResult);
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LRESULT ProcessCharMessage(const MSG &aMsg,
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bool *aEventDispatched);
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LRESULT ProcessKeyUpMessage(const MSG &aMsg,
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bool *aEventDispatched);
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LRESULT ProcessKeyDownMessage(const MSG &aMsg,
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bool *aEventDispatched);
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static bool EventIsInsideWindow(nsWindow* aWindow);
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// Convert nsEventStatus value to a windows boolean
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static bool ConvertStatus(nsEventStatus aStatus);
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static void PostSleepWakeNotification(const bool aIsSleepMode);
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int32_t ClientMarginHitTestPoint(int32_t mx, int32_t my);
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static TimeStamp GetMessageTimeStamp(LONG aEventTime);
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static void UpdateFirstEventTime(DWORD aEventTime);
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/**
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* Event handlers
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*/
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virtual void OnDestroy();
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virtual bool OnResize(nsIntRect &aWindowRect);
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bool OnGesture(WPARAM wParam, LPARAM lParam);
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bool OnTouch(WPARAM wParam, LPARAM lParam);
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bool OnHotKey(WPARAM wParam, LPARAM lParam);
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bool OnPaint(HDC aDC, uint32_t aNestingLevel);
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void OnWindowPosChanged(WINDOWPOS* wp);
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void OnWindowPosChanging(LPWINDOWPOS& info);
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void OnSysColorChanged();
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/**
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* Function that registers when the user has been active (used for detecting
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* when the user is idle).
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*/
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void UserActivity();
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int32_t GetHeight(int32_t aProposedHeight);
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const wchar_t* GetWindowClass() const;
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const wchar_t* GetWindowPopupClass() const;
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virtual DWORD WindowStyle();
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DWORD WindowExStyle();
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// This method registers the given window class, and returns the class name.
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const wchar_t* RegisterWindowClass(const wchar_t* aClassName,
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UINT aExtraStyle,
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LPWSTR aIconID) const;
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/**
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* XP and Vista theming support for windows with rounded edges
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*/
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void ClearThemeRegion();
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void SetThemeRegion();
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/**
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* Popup hooks
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*/
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static void ScheduleHookTimer(HWND aWnd, UINT aMsgId);
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static void RegisterSpecialDropdownHooks();
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static void UnregisterSpecialDropdownHooks();
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static bool GetPopupsToRollup(nsIRollupListener* aRollupListener,
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uint32_t* aPopupsToRollup);
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static bool NeedsToHandleNCActivateDelayed(HWND aWnd);
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static bool DealWithPopups(HWND inWnd, UINT inMsg, WPARAM inWParam, LPARAM inLParam, LRESULT* outResult);
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/**
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* Window transparency helpers
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*/
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#ifdef MOZ_XUL
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private:
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void SetWindowTranslucencyInner(nsTransparencyMode aMode);
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nsTransparencyMode GetWindowTranslucencyInner() const { return mTransparencyMode; }
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void ResizeTranslucentWindow(int32_t aNewWidth, int32_t aNewHeight, bool force = false);
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nsresult UpdateTranslucentWindow();
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void ClearTranslucentWindow();
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void SetupTranslucentWindowMemoryBitmap(nsTransparencyMode aMode);
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void UpdateGlass();
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protected:
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#endif // MOZ_XUL
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static bool IsAsyncResponseEvent(UINT aMsg, LRESULT& aResult);
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void IPCWindowProcHandler(UINT& msg, WPARAM& wParam, LPARAM& lParam);
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/**
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* Misc.
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*/
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void StopFlashing();
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static bool IsTopLevelMouseExit(HWND aWnd);
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virtual nsresult SetWindowClipRegion(const nsTArray<LayoutDeviceIntRect>& aRects,
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bool aIntersectWithExisting) override;
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nsIntRegion GetRegionToPaint(bool aForceFullRepaint,
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PAINTSTRUCT ps, HDC aDC);
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static void ActivateOtherWindowHelper(HWND aWnd);
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void ClearCachedResources();
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nsIWidgetListener* GetPaintListener();
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static bool IsRenderMode(gfxWindowsPlatform::RenderMode aMode);
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virtual bool PreRender(LayerManagerComposite*) override;
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virtual void PostRender(LayerManagerComposite*) override;
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protected:
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nsCOMPtr<nsIWidget> mParent;
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nsIntSize mLastSize;
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nsIntPoint mLastPoint;
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HWND mWnd;
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HWND mTransitionWnd;
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WNDPROC mPrevWndProc;
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HBRUSH mBrush;
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IMEContext mDefaultIMC;
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bool mIsTopWidgetWindow;
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bool mInDtor;
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bool mIsVisible;
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bool mUnicodeWidget;
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bool mPainting;
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bool mTouchWindow;
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bool mDisplayPanFeedback;
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bool mHideChrome;
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bool mIsRTL;
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bool mFullscreenMode;
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bool mMousePresent;
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bool mDestroyCalled;
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uint32_t mBlurSuppressLevel;
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DWORD_PTR mOldStyle;
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DWORD_PTR mOldExStyle;
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nsNativeDragTarget* mNativeDragTarget;
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HKL mLastKeyboardLayout;
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nsSizeMode mOldSizeMode;
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nsSizeMode mLastSizeMode;
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WindowHook mWindowHook;
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uint32_t mPickerDisplayCount;
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HICON mIconSmall;
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HICON mIconBig;
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static bool sDropShadowEnabled;
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static uint32_t sInstanceCount;
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static TriStateBool sCanQuit;
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static nsWindow* sCurrentWindow;
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static BOOL sIsOleInitialized;
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static HCURSOR sHCursor;
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static imgIContainer* sCursorImgContainer;
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static bool sSwitchKeyboardLayout;
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static bool sJustGotDeactivate;
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static bool sJustGotActivate;
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static bool sIsInMouseCapture;
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static int sTrimOnMinimize;
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// Always use the helper method to read this property. See bug 603793.
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static TriStateBool sHasBogusPopupsDropShadowOnMultiMonitor;
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static bool HasBogusPopupsDropShadowOnMultiMonitor();
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// Non-client margin settings
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// Pre-calculated outward offset applied to default frames
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LayoutDeviceIntMargin mNonClientOffset;
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// Margins set by the owner
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LayoutDeviceIntMargin mNonClientMargins;
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// Margins we'd like to set once chrome is reshown:
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LayoutDeviceIntMargin mFutureMarginsOnceChromeShows;
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// Indicates we need to apply margins once toggling chrome into showing:
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bool mFutureMarginsToUse;
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// Indicates custom frames are enabled
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bool mCustomNonClient;
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// Cached copy of L&F's resize border
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int32_t mHorResizeMargin;
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int32_t mVertResizeMargin;
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// Height of the caption plus border
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int32_t mCaptionHeight;
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nsCOMPtr<nsIIdleServiceInternal> mIdleService;
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// Draggable titlebar region maintained by UpdateWindowDraggingRegion
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LayoutDeviceIntRegion mDraggableRegion;
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// Hook Data Memebers for Dropdowns. sProcessHook Tells the
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// hook methods whether they should be processing the hook
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// messages.
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static HHOOK sMsgFilterHook;
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static HHOOK sCallProcHook;
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static HHOOK sCallMouseHook;
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static bool sProcessHook;
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static UINT sRollupMsgId;
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static HWND sRollupMsgWnd;
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static UINT sHookTimerId;
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// Mouse Clicks - static variable definitions for figuring
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// out 1 - 3 Clicks.
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static POINT sLastMousePoint;
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static POINT sLastMouseMovePoint;
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static LONG sLastMouseDownTime;
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static LONG sLastClickCount;
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static BYTE sLastMouseButton;
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// Graphics
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HDC mPaintDC; // only set during painting
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HDC mCompositeDC; // only set during StartRemoteDrawing
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nsIntRect mLastPaintBounds;
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// Used for displayport suppression during window resize
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enum ResizeState {
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NOT_RESIZING,
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IN_SIZEMOVE,
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RESIZING,
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};
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ResizeState mResizeState;
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// Transparency
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#ifdef MOZ_XUL
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// Use layered windows to support full 256 level alpha translucency
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RefPtr<gfxASurface> mTransparentSurface;
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HDC mMemoryDC;
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nsTransparencyMode mTransparencyMode;
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nsIntRegion mPossiblyTransparentRegion;
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MARGINS mGlassMargins;
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#endif // MOZ_XUL
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// Win7 Gesture processing and management
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nsWinGesture mGesture;
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// Weak ref to the nsITaskbarWindowPreview associated with this window
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nsWeakPtr mTaskbarPreview;
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// True if the taskbar (possibly through the tab preview) tells us that the
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// icon has been created on the taskbar.
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bool mHasTaskbarIconBeenCreated;
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// Indicates that mouse events should be ignored and pass through to the
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// window below. This is currently only used for popups.
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bool mMouseTransparent;
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// Whether we're in the process of sending a WM_SETTEXT ourselves
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bool mSendingSetText;
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// The point in time at which the last paint completed. We use this to avoid
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// painting too rapidly in response to frequent input events.
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|
TimeStamp mLastPaintEndTime;
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|
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// Caching for hit test results
|
|
POINT mCachedHitTestPoint;
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TimeStamp mCachedHitTestTime;
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|
int32_t mCachedHitTestResult;
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|
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static bool sNeedsToInitMouseWheelSettings;
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|
static void InitMouseWheelScrollData();
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|
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CRITICAL_SECTION mPresentLock;
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};
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/**
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* A child window is a window with different style.
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*/
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class ChildWindow : public nsWindow {
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public:
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|
ChildWindow() {}
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protected:
|
|
virtual DWORD WindowStyle();
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|
};
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#endif // Window_h__
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