| /* |
| * Copyright (C) 2012, 2014 Igalia S.L. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef InputMethodFilter_h |
| #define InputMethodFilter_h |
| |
| #include <WebCore/IntPoint.h> |
| #include <wtf/Function.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/glib/GRefPtr.h> |
| #include <wtf/text/WTFString.h> |
| |
| typedef struct _GdkEventKey GdkEventKey; |
| typedef struct _GtkIMContext GtkIMContext; |
| |
| namespace WebCore { |
| struct CompositionResults; |
| class IntRect; |
| } |
| |
| namespace WebKit { |
| |
| class WebPageProxy; |
| |
| class InputMethodFilter { |
| WTF_MAKE_NONCOPYABLE(InputMethodFilter); |
| public: |
| enum EventFakedForComposition { |
| EventFaked, |
| EventNotFaked |
| }; |
| |
| InputMethodFilter(); |
| ~InputMethodFilter(); |
| |
| GtkIMContext* context() const { return m_context.get(); } |
| |
| void setPage(WebPageProxy* page) { m_page = page; } |
| |
| void setEnabled(bool); |
| void setCursorRect(const WebCore::IntRect&); |
| |
| using FilterKeyEventCompletionHandler = Function<void(const WebCore::CompositionResults&, InputMethodFilter::EventFakedForComposition)>; |
| void filterKeyEvent(GdkEventKey*, FilterKeyEventCompletionHandler&& = nullptr); |
| void notifyFocusedIn(); |
| void notifyFocusedOut(); |
| void notifyMouseButtonPress(); |
| |
| #if ENABLE(API_TESTS) |
| void setTestingMode(bool enable) { m_testingMode = enable; } |
| const Vector<String>& events() const { return m_events; } |
| #endif |
| |
| private: |
| enum ResultsToSend { |
| Preedit = 1 << 1, |
| Composition = 1 << 2, |
| PreeditAndComposition = Preedit | Composition |
| }; |
| |
| static void handleCommitCallback(InputMethodFilter*, const char* compositionString); |
| static void handlePreeditStartCallback(InputMethodFilter*); |
| static void handlePreeditChangedCallback(InputMethodFilter*); |
| static void handlePreeditEndCallback(InputMethodFilter*); |
| |
| void handleCommit(const char* compositionString); |
| void handlePreeditChanged(); |
| void handlePreeditStart(); |
| void handlePreeditEnd(); |
| |
| void handleKeyboardEvent(GdkEventKey*, const String& eventString = String(), EventFakedForComposition = EventNotFaked); |
| void handleKeyboardEventWithCompositionResults(GdkEventKey*, ResultsToSend = PreeditAndComposition, EventFakedForComposition = EventNotFaked); |
| |
| void sendCompositionAndPreeditWithFakeKeyEvents(ResultsToSend); |
| void confirmComposition(); |
| void updatePreedit(); |
| void confirmCurrentComposition(); |
| void cancelContextComposition(); |
| |
| bool isViewFocused() const; |
| |
| #if ENABLE(API_TESTS) |
| void logHandleKeyboardEventForTesting(GdkEventKey*, const String&, EventFakedForComposition); |
| void logHandleKeyboardEventWithCompositionResultsForTesting(GdkEventKey*, ResultsToSend, EventFakedForComposition); |
| void logConfirmCompositionForTesting(); |
| void logSetPreeditForTesting(); |
| #endif |
| |
| GRefPtr<GtkIMContext> m_context; |
| WebPageProxy* m_page; |
| unsigned m_enabled : 1; |
| unsigned m_composingTextCurrently : 1; |
| unsigned m_filteringKeyEvent : 1; |
| unsigned m_preeditChanged : 1; |
| unsigned m_preventNextCommit : 1; |
| unsigned m_justSentFakeKeyUp : 1; |
| int m_cursorOffset; |
| unsigned m_lastFilteredKeyPressCodeWithNoResults; |
| WebCore::IntPoint m_lastCareLocation; |
| String m_confirmedComposition; |
| String m_preedit; |
| |
| FilterKeyEventCompletionHandler m_filterKeyEventCompletionHandler; |
| |
| #if ENABLE(API_TESTS) |
| bool m_testingMode; |
| Vector<String> m_events; |
| #endif |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // InputMethodFilter_h |