/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the Qt Designer of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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 1.1, 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
** | |
** | |
** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "previewframe.h" | |
#include "previewwidget.h" | |
#include <QtCore/QCoreApplication> | |
#include <QtCore/QDebug> | |
#include <QtGui/QPainter> | |
#include <QtGui/QMdiArea> | |
#include <QtGui/QMdiSubWindow> | |
#include <QtGui/QPaintEvent> | |
QT_BEGIN_NAMESPACE | |
namespace qdesigner_internal { | |
class PreviewMdiArea: public QMdiArea { | |
public: | |
PreviewMdiArea(QWidget *parent = 0) : QMdiArea(parent) {} | |
protected: | |
bool viewportEvent ( QEvent * event ); | |
}; | |
bool PreviewMdiArea::viewportEvent (QEvent * event) { | |
if (event->type() != QEvent::Paint) | |
return QMdiArea::viewportEvent (event); | |
QWidget *paintWidget = viewport(); | |
QPainter p(paintWidget); | |
p.fillRect(rect(), paintWidget->palette().color(backgroundRole()).dark()); | |
p.setPen(QPen(Qt::white)); | |
//: Palette editor background | |
p.drawText(0, height() / 2, width(), height(), Qt::AlignHCenter, | |
QCoreApplication::translate("qdesigner_internal::PreviewMdiArea", "The moose in the noose\nate the goose who was loose.")); | |
return true; | |
} | |
PreviewFrame::PreviewFrame(QWidget *parent) : | |
QFrame(parent), | |
m_mdiArea(new PreviewMdiArea(this)) | |
{ | |
m_mdiArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded); | |
m_mdiArea->setVerticalScrollBarPolicy(Qt::ScrollBarAsNeeded); | |
setFrameStyle(QFrame::StyledPanel | QFrame::Sunken); | |
setLineWidth(1); | |
QVBoxLayout *vbox = new QVBoxLayout(this); | |
vbox->setMargin(0); | |
vbox->addWidget(m_mdiArea); | |
setMinimumSize(ensureMdiSubWindow()->minimumSizeHint()); | |
} | |
void PreviewFrame::setPreviewPalette(const QPalette &pal) | |
{ | |
ensureMdiSubWindow()->widget()->setPalette(pal); | |
} | |
void PreviewFrame::setSubWindowActive(bool active) | |
{ | |
m_mdiArea->setActiveSubWindow (active ? ensureMdiSubWindow() : static_cast<QMdiSubWindow *>(0)); | |
} | |
QMdiSubWindow *PreviewFrame::ensureMdiSubWindow() | |
{ | |
if (!m_mdiSubWindow) { | |
PreviewWidget *previewWidget = new PreviewWidget(m_mdiArea); | |
m_mdiSubWindow = m_mdiArea->addSubWindow(previewWidget, Qt::WindowTitleHint | Qt::WindowMinimizeButtonHint | Qt::WindowMaximizeButtonHint); | |
m_mdiSubWindow->move(10,10); | |
m_mdiSubWindow->showMaximized(); | |
} | |
const Qt::WindowStates state = m_mdiSubWindow->windowState(); | |
if (state & Qt::WindowMinimized) | |
m_mdiSubWindow->setWindowState(state & ~Qt::WindowMinimized); | |
return m_mdiSubWindow; | |
} | |
} | |
QT_END_NAMESPACE |