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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/gui/inputmethod/qwsinputcontext_qws.cpp
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Long live Qt 4.5!
Diffstat (limited to 'src/gui/inputmethod/qwsinputcontext_qws.cpp')
-rw-r--r--src/gui/inputmethod/qwsinputcontext_qws.cpp239
1 files changed, 239 insertions, 0 deletions
diff --git a/src/gui/inputmethod/qwsinputcontext_qws.cpp b/src/gui/inputmethod/qwsinputcontext_qws.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwsinputcontext_p.h"
+#include "qinputcontext_p.h"
+#include "qwsdisplay_qws.h"
+#include "qwsevent_qws.h"
+#include "private/qwscommand_qws_p.h"
+#include "qwindowsystem_qws.h"
+#include "qevent.h"
+#include "qtextformat.h"
+
+#include <qbuffer.h>
+
+#include <qdebug.h>
+
+#ifndef QT_NO_QWS_INPUTMETHODS
+
+QT_BEGIN_NAMESPACE
+
+static QWidget* activeWidget = 0;
+
+//#define EXTRA_DEBUG
+
+QWSInputContext::QWSInputContext(QObject *parent)
+ :QInputContext(parent)
+{
+}
+
+void QWSInputContext::reset()
+{
+ QPaintDevice::qwsDisplay()->resetIM();
+}
+
+
+void QWSInputContext::setFocusWidget( QWidget *w )
+{
+ QWidget *oldFocus = focusWidget();
+ if (oldFocus == w)
+ return;
+
+ if (oldFocus) {
+ QWidget *tlw = oldFocus->window();
+ int winid = tlw->internalWinId();
+
+ int widgetid = oldFocus->internalWinId();
+ QPaintDevice::qwsDisplay()->sendIMUpdate(QWSInputMethod::FocusOut, winid, widgetid);
+ }
+
+ QInputContext::setFocusWidget(w);
+
+ if (!w)
+ return;
+
+ QWidget *tlw = w->window();
+ int winid = tlw->winId();
+
+ int widgetid = w->winId();
+ QPaintDevice::qwsDisplay()->sendIMUpdate(QWSInputMethod::FocusIn, winid, widgetid);
+
+ //setfocus ???
+
+ update();
+}
+
+
+void QWSInputContext::widgetDestroyed(QWidget *w)
+{
+ if (w == ::activeWidget)
+ ::activeWidget = 0;
+ QInputContext::widgetDestroyed(w);
+}
+
+void QWSInputContext::update()
+{
+ QWidget *w = focusWidget();
+ if (!w)
+ return;
+
+ QWidget *tlw = w->window();
+ int winid = tlw->winId();
+
+ int widgetid = w->winId();
+ QPaintDevice::qwsDisplay()->sendIMUpdate(QWSInputMethod::Update, winid, widgetid);
+
+}
+
+void QWSInputContext::mouseHandler( int x, QMouseEvent *event)
+{
+ if (event->type() == QEvent::MouseButtonPress || event->type() == QEvent::MouseButtonRelease)
+ QPaintDevice::qwsDisplay()->sendIMMouseEvent( x, event->type() == QEvent::MouseButtonPress );
+}
+
+QWidget *QWSInputContext::activeWidget()
+{
+ return ::activeWidget;
+}
+
+
+bool QWSInputContext::isComposing() const
+{
+ return ::activeWidget != 0;
+}
+
+bool QWSInputContext::translateIMQueryEvent(QWidget *w, const QWSIMQueryEvent *e)
+{
+ Qt::InputMethodQuery type = static_cast<Qt::InputMethodQuery>(e->simpleData.property);
+ QVariant result = w->inputMethodQuery(type);
+ QWidget *tlw = w->window();
+ int winId = tlw->winId();
+
+ if ( type == Qt::ImMicroFocus ) {
+ // translate to relative to tlw
+ QRect mf = result.toRect();
+ mf.moveTopLeft(w->mapTo(tlw,mf.topLeft()));
+ result = mf;
+ }
+
+ QPaintDevice::qwsDisplay()->sendIMResponse(winId, e->simpleData.property, result);
+
+ return false;
+}
+
+bool QWSInputContext::translateIMInitEvent(const QWSIMInitEvent *e)
+{
+ Q_UNUSED(e);
+ qDebug("### QWSInputContext::translateIMInitEvent not implemented ###");
+ return false;
+}
+
+bool QWSInputContext::translateIMEvent(QWidget *w, const QWSIMEvent *e)
+{
+ QDataStream stream(e->streamingData);
+ QString preedit;
+ QString commit;
+
+ stream >> preedit;
+ stream >> commit;
+
+ if (preedit.isEmpty() && ::activeWidget)
+ w = ::activeWidget;
+
+ QInputContext *qic = w->inputContext();
+ if (!qic)
+ return false;
+
+ QList<QInputMethodEvent::Attribute> attrs;
+
+
+ while (!stream.atEnd()) {
+ int type = -1;
+ int start = -1;
+ int length = -1;
+ QVariant data;
+ stream >> type >> start >> length >> data;
+ if (stream.status() != QDataStream::Ok) {
+ qWarning("corrupted QWSIMEvent");
+ //qic->reset(); //???
+ return false;
+ }
+ if (type == QInputMethodEvent::TextFormat)
+ data = qic->standardFormat(static_cast<QInputContext::StandardFormat>(data.toInt()));
+ attrs << QInputMethodEvent::Attribute(static_cast<QInputMethodEvent::AttributeType>(type), start, length, data);
+ }
+#ifdef EXTRA_DEBUG
+ qDebug() << "preedit" << preedit << "len" << preedit.length() <<"commit" << commit << "len" << commit.length()
+ << "n attr" << attrs.count();
+#endif
+
+ if (preedit.isEmpty())
+ ::activeWidget = 0;
+ else
+ ::activeWidget = w;
+
+
+ QInputMethodEvent ime(preedit, attrs);
+ if (!commit.isEmpty() || e->simpleData.replaceLength > 0)
+ ime.setCommitString(commit, e->simpleData.replaceFrom, e->simpleData.replaceLength);
+
+
+ extern bool qt_sendSpontaneousEvent(QObject *, QEvent *); //qapplication_qws.cpp
+ qt_sendSpontaneousEvent(w, &ime);
+
+ return true;
+}
+
+Q_GUI_EXPORT void (*qt_qws_inputMethodStatusChanged)(QWidget*) = 0;
+
+void QInputContextPrivate::updateImeStatus(QWidget *w, bool hasFocus)
+{
+ Q_UNUSED(hasFocus);
+
+ if (!w || !qt_qws_inputMethodStatusChanged)
+ return;
+ qt_qws_inputMethodStatusChanged(w);
+}
+
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_QWS_INPUTMETHODS