Long live Qt 4.5!

1 files changed, 239 insertions, 0 deletions

diff --git a/src/gui/inputmethod/qwsinputcontext_qws.cpp b/src/gui/inputmethod/qwsinputcontext_qws.cpp
new file mode 100644
index 0000000..46ac13d
--- /dev/null
+++ b/src/gui/inputmethod/qwsinputcontext_qws.cpp
@@ -0,0 +1,239 @@
+/****************************************************************************
+**
+** 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