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/****************************************************************************
**
** Copyright (C) 2017 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qwaylandinputmethodcontrol.h"
#include "qwaylandinputmethodcontrol_p.h"
#include "qwaylandcompositor.h"
#include "qwaylandseat.h"
#include "qwaylandsurface.h"
#include "qwaylandview.h"
#include "qwaylandtextinput.h"
#include <QtGui/QInputMethodEvent>
QWaylandInputMethodControl::QWaylandInputMethodControl(QWaylandSurface *surface)
: QObject(*new QWaylandInputMethodControlPrivate(surface), surface)
{
connect(d_func()->compositor, &QWaylandCompositor::defaultSeatChanged,
this, &QWaylandInputMethodControl::defaultSeatChanged);
QWaylandTextInput *textInput = d_func()->textInput();
if (textInput) {
connect(textInput, &QWaylandTextInput::surfaceEnabled, this, &QWaylandInputMethodControl::surfaceEnabled);
connect(textInput, &QWaylandTextInput::surfaceDisabled, this, &QWaylandInputMethodControl::surfaceDisabled);
connect(textInput, &QWaylandTextInput::updateInputMethod, this, &QWaylandInputMethodControl::updateInputMethod);
}
}
QVariant QWaylandInputMethodControl::inputMethodQuery(Qt::InputMethodQuery query, QVariant argument) const
{
Q_D(const QWaylandInputMethodControl);
QWaylandTextInput *textInput = d->textInput();
if (textInput && textInput->focus() == d->surface) {
return textInput->inputMethodQuery(query, argument);
}
return QVariant();
}
void QWaylandInputMethodControl::inputMethodEvent(QInputMethodEvent *event)
{
Q_D(QWaylandInputMethodControl);
QWaylandTextInput *textInput = d->textInput();
if (textInput) {
textInput->sendInputMethodEvent(event);
} else {
event->ignore();
}
}
bool QWaylandInputMethodControl::enabled() const
{
Q_D(const QWaylandInputMethodControl);
return d->enabled;
}
void QWaylandInputMethodControl::setEnabled(bool enabled)
{
Q_D(QWaylandInputMethodControl);
if (d->enabled == enabled)
return;
d->enabled = enabled;
emit enabledChanged(enabled);
emit updateInputMethod(Qt::ImQueryInput);
}
void QWaylandInputMethodControl::surfaceEnabled(QWaylandSurface *surface)
{
Q_D(QWaylandInputMethodControl);
if (surface == d->surface)
setEnabled(true);
}
void QWaylandInputMethodControl::surfaceDisabled(QWaylandSurface *surface)
{
Q_D(QWaylandInputMethodControl);
if (surface == d->surface)
setEnabled(false);
}
void QWaylandInputMethodControl::setSurface(QWaylandSurface *surface)
{
Q_D(QWaylandInputMethodControl);
if (d->surface == surface)
return;
d->surface = surface;
QWaylandTextInput *textInput = d->textInput();
setEnabled(textInput && textInput->isSurfaceEnabled(d->surface));
}
void QWaylandInputMethodControl::defaultSeatChanged()
{
Q_D(QWaylandInputMethodControl);
disconnect(d->textInput(), nullptr, this, nullptr);
d->seat = d->compositor->defaultSeat();
QWaylandTextInput *textInput = d->textInput();
connect(textInput, &QWaylandTextInput::surfaceEnabled, this, &QWaylandInputMethodControl::surfaceEnabled);
connect(textInput, &QWaylandTextInput::surfaceDisabled, this, &QWaylandInputMethodControl::surfaceDisabled);
setEnabled(textInput && textInput->isSurfaceEnabled(d->surface));
}
QWaylandInputMethodControlPrivate::QWaylandInputMethodControlPrivate(QWaylandSurface *surface)
: compositor(surface->compositor())
, seat(compositor->defaultSeat())
, surface(surface)
{
}
QWaylandTextInput *QWaylandInputMethodControlPrivate::textInput() const
{
return QWaylandTextInput::findIn(seat);
}
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