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/*
sidepane.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Kevin Funk <kevin.funk@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "sidepane.h"
#include "uiresources.h"
#include <QDebug>
#include <QEvent>
#include <QPainter>
#include <QStyledItemDelegate>
using namespace GammaRay;
class Delegate : public QStyledItemDelegate
{
public:
explicit Delegate(QObject *parent = nullptr)
: QStyledItemDelegate(parent)
{
}
QSize sizeHint(const QStyleOptionViewItem &option,
const QModelIndex &index) const override
{
static const int heightMargin = 10;
QSize size = QStyledItemDelegate::sizeHint(option, index);
size.setHeight(size.height() + heightMargin);
return size;
}
};
SidePane::SidePane(QWidget *parent)
: QListView(parent)
{
viewport()->installEventFilter(this);
viewport()->setAutoFillBackground(false);
setAttribute(Qt::WA_MacShowFocusRect, false);
setItemDelegate(new Delegate(this));
}
SidePane::~SidePane() = default;
QSize SidePane::sizeHint() const
{
static const int widthMargin = 10;
if (!model())
return QSize(0, 0);
const int width = sizeHintForColumn(0) + widthMargin;
const int height = QListView::sizeHint().height();
return { width, height };
}
void SidePane::setModel(QAbstractItemModel *model)
{
if (model) {
connect(model, &QAbstractItemModel::rowsInserted, this, &SidePane::updateSizeHint);
connect(model, &QAbstractItemModel::rowsRemoved, this, &SidePane::updateSizeHint);
connect(model, &QAbstractItemModel::dataChanged, this, &SidePane::updateSizeHint);
connect(model, &QAbstractItemModel::modelReset, this, &SidePane::updateSizeHint);
}
QAbstractItemView::setModel(model);
}
bool SidePane::eventFilter(QObject *object, QEvent *event)
{
if (object == viewport()) {
if (event->type() == QEvent::Resize)
updateSizeHint();
else if (event->type() == QEvent::ScreenChangeInternal)
m_background = QPixmap();
else if (event->type() == QEvent::Paint) {
if (m_background.isNull())
m_background = UIResources::themedPixmap(QStringLiteral("kdab-gammaray-logo.png"), this);
qreal dpr = 1.0;
dpr = m_background.devicePixelRatio();
QPainter p(viewport());
p.drawPixmap(viewport()->width() - (m_background.width() / dpr),
viewport()->height() - (m_background.height() / dpr), m_background);
}
}
return QListView::eventFilter(object, event);
}
void SidePane::updateSizeHint()
{
setMinimumWidth(sizeHint().width());
}
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