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/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 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 GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.3, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
#include "rightpane.h"
#include <QtGui/QVBoxLayout>
#include <QtGui/QSplitter>
#include <QtGui/QResizeEvent>
#include <QtGui/QTextEdit>
#include <coreplugin/modemanager.h>
#include <extensionsystem/pluginmanager.h>
using namespace Core;
using namespace Core::Internal;
RightPanePlaceHolder *RightPanePlaceHolder::m_current = 0;
RightPanePlaceHolder* RightPanePlaceHolder::current()
{
return m_current;
}
RightPanePlaceHolder::RightPanePlaceHolder(Core::IMode *mode, QWidget *parent)
:QWidget(parent), m_mode(mode)
{
setLayout(new QVBoxLayout);
layout()->setMargin(0);
connect(Core::ModeManager::instance(), SIGNAL(currentModeChanged(Core::IMode *)),
this, SLOT(currentModeChanged(Core::IMode *)));
}
RightPanePlaceHolder::~RightPanePlaceHolder()
{
if (m_current == this) {
RightPaneWidget::instance()->setParent(0);
RightPaneWidget::instance()->hide();
}
}
void RightPanePlaceHolder::applyStoredSize(int width)
{
if (width) {
QSplitter *splitter = qobject_cast<QSplitter *>(parentWidget());
if (splitter) {
// A splitter we need to resize the splitter sizes
QList<int> sizes = splitter->sizes();
int index = splitter->indexOf(this);
int diff = width - sizes.at(index);
int adjust = sizes.count() > 1 ? (diff / (sizes.count() - 1)) : 0;
for (int i = 0; i < sizes.count(); ++i) {
if (i != index)
sizes[i] -= adjust;
}
sizes[index]= width;
splitter->setSizes(sizes);
} else {
QSize s = size();
s.setWidth(width);
resize(s);
}
}
}
// This function does work even though the order in which
// the placeHolder get the signal is undefined.
// It does ensure that after all PlaceHolders got the signal
// m_current points to the current PlaceHolder, or zero if there
// is no PlaceHolder in this mode
// And that the parent of the RightPaneWidget gets the correct parent
void RightPanePlaceHolder::currentModeChanged(Core::IMode *mode)
{
if (m_current == this) {
m_current = 0;
RightPaneWidget::instance()->setParent(0);
RightPaneWidget::instance()->hide();
}
if (m_mode == mode) {
m_current = this;
int width = RightPaneWidget::instance()->storedWidth();
layout()->addWidget(RightPaneWidget::instance());
RightPaneWidget::instance()->show();
applyStoredSize(width);
setVisible(RightPaneWidget::instance()->isShown());
}
}
/////
// RightPaneWidget
/////
RightPaneWidget *RightPaneWidget::m_instance = 0;
RightPaneWidget::RightPaneWidget()
: m_shown(true), m_width(0)
{
m_instance = this;
QVBoxLayout *layout = new QVBoxLayout;
layout->setMargin(0);
setLayout(layout);
ExtensionSystem::PluginManager *pm = ExtensionSystem::PluginManager::instance();
BaseRightPaneWidget *rpw = pm->getObject<BaseRightPaneWidget>();
if (rpw) {
layout->addWidget(rpw->widget());
}
connect(pm, SIGNAL(objectAdded(QObject *)),
this, SLOT(objectAdded(QObject *)));
connect(pm, SIGNAL(aboutToRemoveObject(QObject *)),
this, SLOT(aboutToRemoveObject(QObject *)));
}
RightPaneWidget::~RightPaneWidget()
{
m_instance = 0;
}
void RightPaneWidget::objectAdded(QObject *obj)
{
BaseRightPaneWidget *rpw = qobject_cast<BaseRightPaneWidget *>(obj);
if (rpw) {
layout()->addWidget(rpw->widget());
setFocusProxy(rpw->widget());
}
}
void RightPaneWidget::aboutToRemoveObject(QObject *obj)
{
BaseRightPaneWidget *rpw = qobject_cast<BaseRightPaneWidget *>(obj);
if (rpw) {
delete rpw->widget();
}
}
RightPaneWidget *RightPaneWidget::instance()
{
return m_instance;
}
int RightPaneWidget::storedWidth()
{
return m_width;
}
void RightPaneWidget::resizeEvent(QResizeEvent *re)
{
if (m_width && re->size().width())
m_width = re->size().width();
QWidget::resizeEvent(re);
}
void RightPaneWidget::saveSettings(QSettings *settings)
{
settings->setValue("RightPane/Visible", isShown());
settings->setValue("RightPane/Width", m_width);
}
void RightPaneWidget::readSettings(QSettings *settings)
{
if (settings->contains("RightPane/Visible")) {
setShown(settings->value("RightPane/Visible").toBool());
} else {
setShown(false); //TODO set to false
}
if (settings->contains("RightPane/Width")) {
m_width = settings->value("RightPane/Width").toInt();
if (!m_width)
m_width = 500;
} else {
m_width = 500; //pixel
}
// Apply
if (RightPanePlaceHolder::m_current) {
RightPanePlaceHolder::m_current->applyStoredSize(m_width);
}
}
void RightPaneWidget::setShown(bool b)
{
if (RightPanePlaceHolder::m_current)
RightPanePlaceHolder::m_current->setVisible(b);
m_shown = b;
}
bool RightPaneWidget::isShown()
{
return m_shown;
}
/////
// BaseRightPaneWidget
/////
BaseRightPaneWidget::BaseRightPaneWidget(QWidget *widget)
{
m_widget = widget;
}
BaseRightPaneWidget::~BaseRightPaneWidget()
{
}
QWidget *BaseRightPaneWidget::widget() const
{
return m_widget;
}
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