зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.4 KiB
C++
89 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; 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 nsEditorEventListener_h__
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#define nsEditorEventListener_h__
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsError.h"
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#include "nsIDOMEventListener.h"
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#include "nsISupportsImpl.h"
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#include "nscore.h"
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class nsCaret;
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class nsIDOMEvent;
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class nsIPresShell;
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// X.h defines KeyPress
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#ifdef KeyPress
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#undef KeyPress
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#endif
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#ifdef XP_WIN
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// On Windows, we support switching the text direction by pressing Ctrl+Shift
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#define HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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#endif
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class nsEditor;
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class nsIDOMDragEvent;
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class nsEditorEventListener : public nsIDOMEventListener
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{
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public:
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nsEditorEventListener();
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virtual ~nsEditorEventListener();
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virtual nsresult Connect(nsEditor* aEditor);
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void Disconnect();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
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#endif
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NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD HandleText(nsIDOMEvent* aTextEvent);
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NS_IMETHOD HandleStartComposition(nsIDOMEvent* aCompositionEvent);
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void HandleEndComposition(nsIDOMEvent* aCompositionEvent);
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NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
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NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { return NS_OK; }
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NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
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NS_IMETHOD Focus(nsIDOMEvent* aEvent);
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NS_IMETHOD Blur(nsIDOMEvent* aEvent);
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void SpellCheckIfNeeded();
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protected:
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nsresult InstallToEditor();
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void UninstallFromEditor();
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bool CanDrop(nsIDOMDragEvent* aEvent);
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nsresult DragEnter(nsIDOMDragEvent* aDragEvent);
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nsresult DragOver(nsIDOMDragEvent* aDragEvent);
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nsresult DragExit(nsIDOMDragEvent* aDragEvent);
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nsresult Drop(nsIDOMDragEvent* aDragEvent);
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nsresult DragGesture(nsIDOMDragEvent* aDragEvent);
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void CleanupDragDropCaret();
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already_AddRefed<nsIPresShell> GetPresShell();
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bool IsFileControlTextBox();
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protected:
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nsEditor* mEditor; // weak
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nsRefPtr<nsCaret> mCaret;
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bool mCommitText;
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bool mInTransaction;
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#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
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bool mHaveBidiKeyboards;
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bool mShouldSwitchTextDirection;
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bool mSwitchToRTL;
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#endif
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};
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#endif // nsEditorEventListener_h__
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