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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "rightpane.h"
#include <coreplugin/imode.h>
#include <coreplugin/modemanager.h>
#include <utils/qtcsettings.h>
#include <QVBoxLayout>
#include <QSplitter>
#include <QResizeEvent>
using namespace Core;
using namespace Core::Internal;
using namespace Utils;
RightPanePlaceHolder *RightPanePlaceHolder::m_current = nullptr;
RightPanePlaceHolder* RightPanePlaceHolder::current()
{
return m_current;
}
RightPanePlaceHolder::RightPanePlaceHolder(Id mode, QWidget *parent)
:QWidget(parent), m_mode(mode)
{
setLayout(new QVBoxLayout);
layout()->setContentsMargins(0, 0, 0, 0);
connect(ModeManager::instance(), &ModeManager::currentModeChanged,
this, &RightPanePlaceHolder::currentModeChanged);
}
RightPanePlaceHolder::~RightPanePlaceHolder()
{
if (m_current == this) {
RightPaneWidget::instance()->setParent(nullptr);
RightPaneWidget::instance()->hide();
}
}
void RightPanePlaceHolder::applyStoredSize(int width)
{
if (width) {
auto 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(Id mode)
{
if (m_current == this) {
m_current = nullptr;
RightPaneWidget::instance()->setParent(nullptr);
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 = nullptr;
RightPaneWidget::RightPaneWidget()
{
m_instance = this;
auto layout = new QVBoxLayout;
layout->setContentsMargins(0, 0, 0, 0);
setLayout(layout);
}
RightPaneWidget::~RightPaneWidget()
{
clearWidget();
m_instance = nullptr;
}
RightPaneWidget *RightPaneWidget::instance()
{
return m_instance;
}
void RightPaneWidget::setWidget(QWidget *widget)
{
if (widget == m_widget)
return;
clearWidget();
m_widget = widget;
if (m_widget) {
m_widget->setParent(this);
layout()->addWidget(m_widget);
setFocusProxy(m_widget);
m_widget->show();
}
}
QWidget *RightPaneWidget::widget() const
{
return m_widget;
}
int RightPaneWidget::storedWidth() const
{
return m_width;
}
void RightPaneWidget::resizeEvent(QResizeEvent *re)
{
if (m_width && re->size().width())
m_width = re->size().width();
QWidget::resizeEvent(re);
}
static const bool kVisibleDefault = false;
static const int kWidthDefault = 500;
void RightPaneWidget::saveSettings(Utils::QtcSettings *settings)
{
settings->setValueWithDefault("RightPane/Visible", isShown(), kVisibleDefault);
settings->setValueWithDefault("RightPane/Width", m_width, kWidthDefault);
}
void RightPaneWidget::readSettings(QSettings *settings)
{
setShown(settings->value(QLatin1String("RightPane/Visible"), kVisibleDefault).toBool());
m_width = settings->value("RightPane/Width", kWidthDefault).toInt();
// 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() const
{
return m_shown;
}
void RightPaneWidget::clearWidget()
{
if (m_widget) {
m_widget->hide();
m_widget->setParent(nullptr);
m_widget = nullptr;
}
}
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