| /* |
| * Copyright (C) 2012, 2014, 2019 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. |
| */ |
| |
| #pragma once |
| |
| #include "InputMethodState.h" |
| #include <WebCore/CompositionUnderline.h> |
| #include <WebCore/IntPoint.h> |
| #include <wtf/Noncopyable.h> |
| #include <wtf/Vector.h> |
| #include <wtf/glib/GRefPtr.h> |
| |
| typedef struct _WebKitInputMethodContext WebKitInputMethodContext; |
| |
| #if PLATFORM(GTK) |
| typedef struct _GdkEventKey GdkEventKey; |
| #elif PLATFORM(WPE) |
| struct wpe_input_keyboard_event; |
| #endif |
| |
| namespace WebCore { |
| class IntRect; |
| } |
| |
| namespace WebKit { |
| |
| class InputMethodFilter { |
| WTF_MAKE_NONCOPYABLE(InputMethodFilter); |
| public: |
| |
| InputMethodFilter() = default; |
| ~InputMethodFilter(); |
| |
| void setContext(WebKitInputMethodContext*); |
| WebKitInputMethodContext* context() const { return m_context.get(); } |
| |
| void setState(Optional<InputMethodState>&&); |
| |
| #if PLATFORM(GTK) |
| using PlatformEventKey = GdkEventKey; |
| #elif PLATFORM(WPE) |
| using PlatformEventKey = struct wpe_input_keyboard_event; |
| #endif |
| struct FilterResult { |
| bool handled { false }; |
| String keyText; |
| }; |
| FilterResult filterKeyEvent(PlatformEventKey*); |
| |
| void notifyFocusedIn(); |
| void notifyFocusedOut(); |
| void notifyMouseButtonPress(); |
| void notifyCursorRect(const WebCore::IntRect&); |
| void notifySurrounding(const String&, uint64_t); |
| |
| void cancelComposition(); |
| |
| private: |
| static void preeditStartedCallback(InputMethodFilter*); |
| static void preeditChangedCallback(InputMethodFilter*); |
| static void preeditFinishedCallback(InputMethodFilter*); |
| static void committedCallback(InputMethodFilter*, const char*); |
| static void deleteSurroundingCallback(InputMethodFilter*, int offset, unsigned characterCount); |
| |
| void preeditStarted(); |
| void preeditChanged(); |
| void preeditFinished(); |
| void committed(const char*); |
| void deleteSurrounding(int offset, unsigned characterCount); |
| |
| bool isEnabled() const { return !!m_state; } |
| bool isViewFocused() const; |
| |
| WebCore::IntRect platformTransformCursorRectToViewCoordinates(const WebCore::IntRect&); |
| bool platformEventKeyIsKeyPress(PlatformEventKey*) const; |
| |
| Optional<InputMethodState> m_state; |
| GRefPtr<WebKitInputMethodContext> m_context; |
| |
| struct { |
| String text; |
| Vector<WebCore::CompositionUnderline> underlines; |
| unsigned cursorOffset; |
| } m_preedit; |
| |
| struct { |
| bool isActive { false }; |
| bool preeditChanged { false }; |
| } m_filteringContext; |
| |
| String m_compositionResult; |
| WebCore::IntPoint m_cursorLocation; |
| |
| struct { |
| String text; |
| uint64_t cursorPosition; |
| } m_surrounding; |
| }; |
| |
| } // namespace WebKit |