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Diffstat (limited to 'tools/designer/src/components/propertyeditor/previewframe.cpp')
-rw-r--r-- | tools/designer/src/components/propertyeditor/previewframe.cpp | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/tools/designer/src/components/propertyeditor/previewframe.cpp b/tools/designer/src/components/propertyeditor/previewframe.cpp new file mode 100644 index 0000000..95d533d --- /dev/null +++ b/tools/designer/src/components/propertyeditor/previewframe.cpp @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the Qt Designer 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/* +TRANSLATOR qdesigner_internal::PreviewWorkspace +*/ + +#include "previewframe.h" +#include "previewwidget.h" + +#include <QtGui/QPainter> +#include <QtGui/QMdiArea> +#include <QtGui/QMdiSubWindow> +#include <QtGui/QPaintEvent> +#include <qdebug.h> + +QT_BEGIN_NAMESPACE + +namespace { + 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)); + p.drawText(0, height() / 2, width(), height(), Qt::AlignHCenter, + tr("The moose in the noose\nate the goose who was loose.")); + return true; + } +} + +namespace qdesigner_internal { + +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 |