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109 lines
4.1 KiB
C++
109 lines
4.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Designer of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qdesigner_widget_p.h"
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#include "formwindowbase_p.h"
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#include "grid_p.h"
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#include <QtDesigner/abstractformwindow.h>
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#include <QtGui/QPainter>
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#include <QtGui/QStyle>
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#include <QtGui/QStyleOption>
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#include <QtGui/qevent.h>
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QT_BEGIN_NAMESPACE
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/* QDesignerDialog / QDesignerWidget are used to paint a grid on QDialog and QWidget main containers
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* and container extension pages.
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* The paint routines work as follows:
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* We need to clean the background here (to make the parent grid disappear in case we are a container page
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* and to make palette background settings take effect),
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* which would normally break style sheets with background settings.
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* So, we manually make the style paint after cleaning. On top comes the grid
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* In addition, this code works around
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* the QStyleSheetStyle setting Qt::WA_StyledBackground to false for subclasses of QWidget.
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*/
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QDesignerDialog::QDesignerDialog(QDesignerFormWindowInterface *fw, QWidget *parent) :
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QDialog(parent),
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m_formWindow(qobject_cast<qdesigner_internal::FormWindowBase*>(fw))
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{
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}
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void QDesignerDialog::paintEvent(QPaintEvent *e)
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{
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QPainter p(this);
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QStyleOption opt;
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opt.initFrom(this);
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p.fillRect(e->rect(), palette().brush(backgroundRole()));
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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if (m_formWindow && m_formWindow->gridVisible())
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m_formWindow->designerGrid().paint(p, this, e);
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}
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QDesignerWidget::QDesignerWidget(QDesignerFormWindowInterface* formWindow, QWidget *parent) :
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QWidget(parent),
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m_formWindow(qobject_cast<qdesigner_internal::FormWindowBase*>(formWindow))
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{
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}
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QDesignerWidget::~QDesignerWidget()
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{
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}
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QDesignerFormWindowInterface* QDesignerWidget::formWindow() const
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{
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return m_formWindow;
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}
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void QDesignerWidget::paintEvent(QPaintEvent *e)
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{
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QPainter p(this);
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QStyleOption opt;
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opt.initFrom(this);
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p.fillRect(e->rect(), palette().brush(backgroundRole()));
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style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
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if (m_formWindow && m_formWindow->gridVisible())
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m_formWindow->designerGrid().paint(p, this, e);
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}
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QT_END_NAMESPACE
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#include <moc_qdesigner_widget_p.h>
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