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#pragma once
#include <QtCore/QAbstractItemModel>
#include <QtCore/QItemSelectionModel>
#include <QtWidgets/QListView>
#include <QtWidgets/QStyledItemDelegate>
#include <QtWidgets/QTreeView>
#include <QtGui/QImage>
#include <vector>
#include <memory>
#include "binaryninjaapi.h"
#include "dockhandler.h"
#include "viewframe.h"
class XrefItem
{
public:
enum XrefDirection
{
Forward, // current address is addressing another address
Backward // current address is being referenced by another address
};
enum XrefType
{
DataXrefType,
CodeXrefType,
VariableXrefType
};
protected:
FunctionRef m_func;
ArchitectureRef m_arch;
uint64_t m_addr;
XrefType m_type;
XrefDirection m_direction;
std::vector<std::shared_ptr<XrefItem>> m_childItems;
std::weak_ptr<XrefItem> m_parentItem;
public:
XrefItem();
XrefItem(FunctionRef func);
XrefItem(FunctionRef func, ArchitectureRef arch, uint64_t addr, XrefType type, XrefDirection direction);
XrefItem(BinaryNinja::ReferenceSource referenceSource, XrefType type, XrefDirection direction);
virtual ~XrefItem();
void appendChild(std::shared_ptr<XrefItem> child, std::shared_ptr<XrefItem> parent);
std::shared_ptr<XrefItem> child(size_t row) const;
size_t childCount() const { return m_childItems.size(); }
size_t columnCount() const { return 1; }
size_t row() const;
std::weak_ptr<XrefItem> parentItem() const { return m_parentItem; }
XrefDirection direction() const { return m_direction; }
FunctionRef func() const { return m_func; }
ArchitectureRef arch() const { return m_arch; }
uint64_t addr() const { return m_addr; }
XrefType type() const { return m_type; }
bool operator==(const XrefItem& other)
{
if (!((m_direction == other.m_direction) &&
(m_addr == other.m_addr) &&
(m_type == other.m_type)))
return false;
if (!m_func ^ !other.m_func)
return false;
if (!m_func && !other.m_func)
return true;
return (m_func->GetStart() == other.m_func->GetStart());
}
bool operator!=(const XrefItem& other)
{
return !(*this == other);
}
};
class XrefHeader: public XrefItem
{
QString m_name;
public:
XrefHeader() {}
XrefHeader(const QString& name);
virtual ~XrefHeader() {}
virtual QString name() const { return m_name; }
};
class XrefFunctionHeader: public XrefItem
{
public:
XrefFunctionHeader() {}
XrefFunctionHeader(FunctionRef func) : XrefItem(func) {};
virtual ~XrefFunctionHeader() {}
};
class BINARYNINJAUIAPI CrossReferenceListModel : public QAbstractItemModel
{
Q_OBJECT
std::shared_ptr<XrefHeader> m_rootItem;
QWidget* m_owner;
BinaryViewRef m_data;
std::vector<std::shared_ptr<XrefItem>> m_refs;
public:
CrossReferenceListModel(QWidget* parent, BinaryViewRef data);
virtual ~CrossReferenceListModel() {}
virtual QModelIndex index(int row, int col, const QModelIndex& parent = QModelIndex()) const override;
virtual QVariant data(const QModelIndex& i, int role) const override;
virtual QModelIndex parent(const QModelIndex& i) const override;
Qt::ItemFlags flags(const QModelIndex& index) const override;
virtual bool hasChildren(const QModelIndex& parent) const override;
virtual int rowCount(const QModelIndex& parent = QModelIndex()) const override;
virtual int columnCount(const QModelIndex& parent = QModelIndex()) const override;
QModelIndex nextValidIndex(const QModelIndex& current) const;
QModelIndex prevValidIndex(const QModelIndex& current) const;
bool selectRef(XrefItem* ref, XrefItem* root, QItemSelectionModel* selectionModel);
bool setModelData(std::vector<std::shared_ptr<XrefItem>>& refs, QItemSelectionModel* selectionModel, bool& selectionUpdated);
};
class BINARYNINJAUIAPI CrossReferenceItemDelegate: public QStyledItemDelegate
{
Q_OBJECT
QFont m_font;
int m_baseline, m_charWidth, m_charHeight, m_charOffset;
QImage m_xrefTo, m_xrefFrom;
void initFont();
public:
CrossReferenceItemDelegate(QWidget* parent);
void updateFonts();
virtual QSize sizeHint(const QStyleOptionViewItem& option, const QModelIndex& idx) const override;
virtual void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& idx) const override;
};
class BINARYNINJAUIAPI CrossReferenceList: public QTreeView, public DockContextHandler
{
Q_OBJECT
Q_INTERFACES(DockContextHandler)
ViewFrame* m_view;
CrossReferenceListModel* m_tree;
CrossReferenceItemDelegate* m_itemDelegate;
BinaryViewRef m_data;
QTimer* m_hoverTimer;
QPoint m_hoverPos;
uint64_t m_curRefTarget = 0;
bool m_navigating = false;
bool m_navToNextOrPrevStarted = false;
protected:
virtual void contextMenuEvent(QContextMenuEvent* event) override;
virtual void keyPressEvent(QKeyEvent* e) override;
virtual void mouseMoveEvent(QMouseEvent* e) override;
virtual void mousePressEvent(QMouseEvent* e) override;
virtual void mouseDoubleClickEvent(QMouseEvent *event) override;
virtual void notifyFontChanged() override;
virtual bool shouldBeVisible(ViewFrame* frame) override;
virtual void wheelEvent(QWheelEvent* e) override;
virtual void drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
void goToReference(const QModelIndex& idx);
private Q_SLOTS:
void hoverTimerEvent();
void referenceActivated(const QModelIndex& idx);
public:
CrossReferenceList(ViewFrame* view, BinaryViewRef data);
virtual ~CrossReferenceList();
void setCurrentSelection(uint64_t begin, uint64_t end);
void navigateToNext();
void navigateToPrev();
bool hasSelection();
};
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