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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_WinModifierKeyState_h_
#define mozilla_widget_WinModifierKeyState_h_
#include "mozilla/RefPtr.h"
#include "mozilla/EventForwards.h"
#include "nsStringFwd.h"
#include <windows.h>
namespace mozilla {
namespace widget {
class MOZ_STACK_CLASS ModifierKeyState final {
public:
ModifierKeyState();
explicit ModifierKeyState(Modifiers aModifiers);
void Update();
void Unset(Modifiers aRemovingModifiers);
void Set(Modifiers aAddingModifiers);
void InitInputEvent(WidgetInputEvent& aInputEvent) const;
// Do not create IsAltGr() because it's unclear whether:
// - AltGr key is actually pressed.
// - Both Ctrl and Alt keys are pressed when a keyboard layout which
// has AltGr key.
// - Both Ctrl and Alt keys are pressed when a keyboard layout which
// does not have AltGr key.
bool IsShift() const;
bool IsControl() const;
bool IsAlt() const;
bool IsWin() const;
bool MaybeMatchShortcutKey() const;
bool IsCapsLocked() const;
bool IsNumLocked() const;
bool IsScrollLocked() const;
MOZ_ALWAYS_INLINE Modifiers GetModifiers() const { return mModifiers; }
private:
Modifiers mModifiers;
void InitMouseEvent(WidgetInputEvent& aMouseEvent) const;
};
const nsCString ToString(const ModifierKeyState& aModifierKeyState);
} // namespace widget
} // namespace mozilla
#endif // #ifndef mozilla_widget_WinModifierKeyState_h_
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