| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| #include "config.h" |
| #include "WebViewInputMethodFilter.h" |
| |
| #include "FocusController.h" |
| #include "Frame.h" |
| #include "PlatformKeyboardEvent.h" |
| #include "webkitwebviewprivate.h" |
| #include <wtf/text/CString.h> |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| Frame* WebViewInputMethodFilter::focusedOrMainFrame() |
| { |
| ASSERT(m_webView); |
| Page* page = core(m_webView); |
| if (!page) |
| return 0; |
| |
| return page->focusController()->focusedOrMainFrame(); |
| } |
| |
| void WebViewInputMethodFilter::setWebView(WebKitWebView* webView) |
| { |
| m_webView = webView; |
| GtkInputMethodFilter::setWidget(GTK_WIDGET(webView)); |
| } |
| |
| bool WebViewInputMethodFilter::canEdit() |
| { |
| Frame* frame = focusedOrMainFrame(); |
| return frame && frame->editor()->canEdit(); |
| } |
| |
| bool WebViewInputMethodFilter::sendSimpleKeyEvent(GdkEventKey* event, WTF::String simpleString) |
| { |
| PlatformKeyboardEvent platformEvent(event, CompositionResults(simpleString)); |
| return focusedOrMainFrame()->eventHandler()->keyEvent(platformEvent); |
| } |
| |
| bool WebViewInputMethodFilter::sendKeyEventWithCompositionResults(GdkEventKey* event, ResultsToSend resultsToSend) |
| { |
| PlatformKeyboardEvent platformEvent(event, CompositionResults(CompositionResults::WillSendCompositionResultsSoon)); |
| if (!focusedOrMainFrame()->eventHandler()->keyEvent(platformEvent)) |
| return false; |
| |
| if (resultsToSend & Composition && !m_confirmedComposition.isNull()) |
| confirmCompositionText(m_confirmedComposition); |
| if (resultsToSend & Preedit && !m_preedit.isNull()) |
| setPreedit(m_preedit, m_cursorOffset); |
| return true; |
| } |
| |
| void WebViewInputMethodFilter::confirmCompositionText(String text) |
| { |
| Frame* frame = focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| |
| if (text.isNull()) { |
| confirmCurrentComposition(); |
| return; |
| } |
| frame->editor()->confirmComposition(m_confirmedComposition); |
| } |
| |
| void WebViewInputMethodFilter::confirmCurrentComposition() |
| { |
| Frame* frame = focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| frame->editor()->confirmComposition(); |
| } |
| |
| void WebViewInputMethodFilter::cancelCurrentComposition() |
| { |
| Frame* frame = focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| frame->editor()->cancelComposition(); |
| } |
| |
| void WebViewInputMethodFilter::setPreedit(String newPreedit, int cursorOffset) |
| { |
| Frame* frame = focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| |
| // TODO: We should parse the PangoAttrList that we get from the IM context here. |
| Vector<CompositionUnderline> underlines; |
| underlines.append(CompositionUnderline(0, newPreedit.length(), Color(1, 1, 1), false)); |
| frame->editor()->setComposition(newPreedit, underlines, m_cursorOffset, m_cursorOffset); |
| } |
| |
| } // namespace WebKit |