| /**************************************************************************** |
| ** |
| ** 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 |