forked from qt-creator/qt-creator
Fixes: move all files in shared/* to src/shared/*
This commit is contained in:
hjk
197
src/shared/designerintegrationv2/formresizer.cpp
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197
src/shared/designerintegrationv2/formresizer.cpp
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/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception
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** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#include "formresizer.h"
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#include "sizehandlerect.h"
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#include "widgethostconstants.h"
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#include <QtCore/QDebug>
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#include <QtDesigner/QDesignerFormWindowInterface>
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#include <QtGui/QResizeEvent>
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#include <QtGui/QPalette>
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#include <QtGui/QLayout>
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#include <QtGui/QFrame>
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#include <QtGui/QResizeEvent>
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enum { debugFormResizer = 0 };
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using namespace SharedTools::Internal;
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FormResizer::FormResizer(QWidget *parent) :
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QWidget(parent),
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m_frame(new QFrame),
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m_formWindow(0)
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{
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// Make the resize grip of a mainwindow form find us as resizable window.
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setWindowFlags(windowFlags() | Qt::SubWindow);
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setBackgroundRole(QPalette::Base);
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QVBoxLayout *handleLayout = new QVBoxLayout(this);
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handleLayout->setMargin(SELECTION_MARGIN);
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handleLayout->addWidget(m_frame);
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m_frame->setFrameStyle(QFrame::Panel | QFrame::Raised);
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QVBoxLayout *layout = new QVBoxLayout(m_frame);
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layout->setMargin(0);
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// handles
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m_handles.reserve(SizeHandleRect::Left);
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for (int i = SizeHandleRect::LeftTop; i <= SizeHandleRect::Left; ++i) {
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SizeHandleRect *shr = new SizeHandleRect(this, static_cast<SizeHandleRect::Direction>(i), this);
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connect(shr, SIGNAL(mouseButtonReleased(QRect,QRect)), this, SIGNAL(formWindowSizeChanged(QRect,QRect)));
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m_handles.push_back(shr);
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}
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setState(SelectionHandleActive);
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updateGeometry();
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}
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void FormResizer::updateGeometry()
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{
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const QRect &geom = m_frame->geometry();
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if (debugFormResizer)
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qDebug() << "FormResizer::updateGeometry() " << size() << " frame " << geom;
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const int w = SELECTION_HANDLE_SIZE;
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const int h = SELECTION_HANDLE_SIZE;
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const Handles::iterator hend = m_handles.end();
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for (Handles::iterator it = m_handles.begin(); it != hend; ++it) {
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SizeHandleRect *hndl = *it;;
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switch (hndl->dir()) {
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case SizeHandleRect::LeftTop:
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hndl->move(geom.x() - w / 2, geom.y() - h / 2);
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break;
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case SizeHandleRect::Top:
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hndl->move(geom.x() + geom.width() / 2 - w / 2, geom.y() - h / 2);
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break;
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case SizeHandleRect::RightTop:
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hndl->move(geom.x() + geom.width() - w / 2, geom.y() - h / 2);
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break;
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case SizeHandleRect::Right:
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hndl->move(geom.x() + geom.width() - w / 2, geom.y() + geom.height() / 2 - h / 2);
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break;
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case SizeHandleRect::RightBottom:
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hndl->move(geom.x() + geom.width() - w / 2, geom.y() + geom.height() - h / 2);
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break;
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case SizeHandleRect::Bottom:
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hndl->move(geom.x() + geom.width() / 2 - w / 2, geom.y() + geom.height() - h / 2);
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break;
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case SizeHandleRect::LeftBottom:
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hndl->move(geom.x() - w / 2, geom.y() + geom.height() - h / 2);
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break;
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case SizeHandleRect::Left:
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hndl->move(geom.x() - w / 2, geom.y() + geom.height() / 2 - h / 2);
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break;
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default:
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break;
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}
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}
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}
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void FormResizer::update()
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{
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const Handles::iterator hend = m_handles.end();
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for (Handles::iterator it = m_handles.begin(); it != hend; ++it) {
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(*it)->update();
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}
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}
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void FormResizer::setState(SelectionHandleState st)
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{
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if (debugFormResizer)
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qDebug() << "FormResizer::setState " << st;
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const Handles::iterator hend = m_handles.end();
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for (Handles::iterator it = m_handles.begin(); it != hend; ++it)
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(*it)->setState(st);
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}
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void FormResizer::setFormWindow(QDesignerFormWindowInterface *fw)
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{
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if (debugFormResizer)
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qDebug() << "FormResizer::setFormWindow " << fw;
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QVBoxLayout *layout = qobject_cast<QVBoxLayout *>(m_frame->layout());
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Q_ASSERT(layout);
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if (layout->count())
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delete layout->takeAt(0);
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m_formWindow = fw;
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if (m_formWindow)
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layout->addWidget(m_formWindow);
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mainContainerChanged();
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connect(fw, SIGNAL(mainContainerChanged(QWidget*)), this, SLOT(mainContainerChanged()));
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}
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void FormResizer::resizeEvent(QResizeEvent *event)
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{
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if (debugFormResizer)
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qDebug() << ">FormResizer::resizeEvent" << event->size();
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updateGeometry();
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QWidget::resizeEvent(event);
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if (debugFormResizer)
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qDebug() << "<FormResizer::resizeEvent";
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}
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QSize FormResizer::decorationSize() const
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{
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const int margin = 2 * SELECTION_MARGIN + 2 * m_frame->lineWidth();
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return QSize(margin, margin);
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}
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QWidget *FormResizer::mainContainer()
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{
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if (m_formWindow)
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return m_formWindow->mainContainer();
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return 0;
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}
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void FormResizer::mainContainerChanged()
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{
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const QSize maxWidgetSize = QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
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if (const QWidget *mc = mainContainer()) {
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// Set Maximum size which is not handled via a hint (as opposed to minimum size)
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const QSize maxWidgetSize = QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
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const QSize formMaxSize = mc->maximumSize();
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QSize newMaxSize = maxWidgetSize;
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if (formMaxSize != maxWidgetSize)
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newMaxSize = formMaxSize + decorationSize();
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if (debugFormResizer)
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qDebug() << "FormResizer::mainContainerChanged" << mc << " Size " << mc->size()<< newMaxSize;
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setMaximumSize(newMaxSize);
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resize(decorationSize() + mc->size());
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} else {
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setMaximumSize(maxWidgetSize);
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}
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}
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