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//
// Created by Alexander Khosrowshahi on 8/22/25.
//
#pragma once
#include <QtWidgets/QTableView>
#include <QtWidgets/QHeaderView>
#include <QtCore/QTimer>
#include <QMenu>
/// Base class for table views in Binary Ninja views
/// - Moveable, resizeable columns with saved state
/// - QSettings save to Tables/<viewName>/<Suffix>
/// - Reset columns context menu action
class BINARYNINJAUIAPI TableViewBase: public QTableView {
Q_OBJECT
public:
explicit TableViewBase(QWidget* parent = nullptr, const QString& viewName = {}): QTableView(parent), m_viewName(viewName) {
auto* hh = horizontalHeader();
hh->setStretchLastSection(true);
hh->setSectionResizeMode(QHeaderView::Interactive);
hh->setSectionsMovable(true);
hh->setSectionsClickable(true);
hh->setSortIndicatorShown(true);
hh->setSortIndicator(0, Qt::AscendingOrder);
hh->setContextMenuPolicy(Qt::CustomContextMenu);
connect(hh, &QHeaderView::customContextMenuRequested, this,
[this, hh](const QPoint& p) {
QMenu menu(hh);
QAction* reset = menu.addAction(tr("Reset Column Layout"));
connect(reset, &QAction::triggered, this, &TableViewBase::resetColumnLayout);
populateHeaderContextMenu(&menu, p);
menu.exec(hh->viewport()->mapToGlobal(p));
});
m_headerSaveDebounce.setSingleShot(true);
m_headerSaveDebounce.setInterval(150);
connect(&m_headerSaveDebounce, &QTimer::timeout, this, &TableViewBase::saveHeaderState);
connect(hh, &QHeaderView::sectionResized, this, &TableViewBase::scheduleSaveHeaderState);
connect(hh, &QHeaderView::sectionMoved, this, &TableViewBase::scheduleSaveHeaderState);
setShowGrid(false);
setSortingEnabled(true);
QMetaObject::invokeMethod(this, "restoreHeaderState", Qt::QueuedConnection);
}
void setModel(QAbstractItemModel* m) override
{
QTableView::setModel(m);
if (!m) return;
connect(m, &QAbstractItemModel::modelReset, this, &TableViewBase::restoreHeaderState);
connect(m, &QAbstractItemModel::columnsInserted, this, &TableViewBase::restoreHeaderState);
connect(m, &QAbstractItemModel::columnsRemoved, this, &TableViewBase::restoreHeaderState);
// Grab default header state
QTimer::singleShot(0, this, [this]{
captureDefaultHeaderState();
});
QMetaObject::invokeMethod(this, "restoreHeaderState", Qt::QueuedConnection);
}
// Save after debounce for repeated move/drag
void scheduleSaveHeaderState() { m_headerSaveDebounce.start(); }
Q_SIGNALS:
// For owners/derived classes to add their own menu items
void populateHeaderContextMenu(QMenu*, const QPoint&);
protected:
QString viewName() const {
if (!m_viewName.isEmpty()) return m_viewName;
if (!objectName().isEmpty()) return objectName();
return metaObject()->className();
}
QString settingsKey(const QString& suffix) const {
return QStringLiteral("tables/%1/%2").arg(viewName(), suffix);
}
void saveHeaderState() const {
auto* hh = horizontalHeader();
if (!hh) return;
QSettings s;
s.setValue(settingsKey("horizontalHeaderState"), hh->saveState());
}
void restoreHeaderState() const
{
auto* hh = horizontalHeader();
if (!hh) return;
QSettings s;
const QByteArray st = s.value(settingsKey("horizontalHeaderState")).toByteArray();
if (!st.isEmpty()) hh->restoreState(st);
const QByteArray def = s.value(settingsKey("horizontalHeaderDefaultState")).toByteArray();
if (!def.isEmpty()) hh->restoreState(def);
}
virtual int defaultSectionWidth(const int logicalIndex, const int charWidth) const
{
QString headerText;
if (model()) {
headerText = model()->headerData(logicalIndex, Qt::Horizontal, Qt::DisplayRole).toString();
}
constexpr int minChars = 8;
const int headerChars = qMax(minChars, headerText.size() + 2);
return headerChars * charWidth;
}
/// Grabs default header states on startup to save
/// Kind of a hacky fix, but many of our tables have manually set widths,
/// so compensating for them is a hassle.
void captureDefaultHeaderState() const
{
auto* hh = horizontalHeader();
if (!hh) return;
QSettings s;
const auto key = settingsKey("horizontalHeaderDefaultState");
if (!s.contains(key)) {
s.setValue(key, hh->saveState());
s.sync();
}
}
void resetColumnLayout() const
{
auto* hh = horizontalHeader();
if (!hh || !model()) return;
{
QSettings s;
s.remove(settingsKey("horizontalHeaderState"));
}
QSettings s;
const QByteArray def = s.value(settingsKey("horizontalHeaderDefaultState")).
toByteArray();
if (!def.isEmpty() && hh->restoreState(def))
{
return;
}
// If no default or set user layout, use size hints
for (int c = 0; c < model()->columnCount(); ++c)
{
constexpr int extra = 12;
int w = sizeHintForColumn(c);
QVariant head = model()->headerData(c, Qt::Horizontal, Qt::SizeHintRole);
int headerW = hh->sectionSizeHint(c);
if (head.canConvert<QSize>())
headerW = std::max(headerW, head.toSize().width());
hh->resizeSection(c, std::max(w, headerW) + extra);
}
}
private:
QString m_viewName;
QTimer m_headerSaveDebounce;
};
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