From 390d5d27d4de6b7c9cb06b957a483bb2ab69f241 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty.wagner@gmail.com>
Date: Thu, 7 Jul 2022 21:03:29 -0400
Subject: Merge variables API/UI, variable liveness API for determining
 soundness of variable merges

---
 ui/mergevariablesdialog.h | 76 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 ui/mergevariablesdialog.h

(limited to 'ui/mergevariablesdialog.h')

diff --git a/ui/mergevariablesdialog.h b/ui/mergevariablesdialog.h
new file mode 100644
index 00000000..b4c81c06
--- /dev/null
+++ b/ui/mergevariablesdialog.h
@@ -0,0 +1,76 @@
+#pragma once
+
+#include <QtWidgets/QDialog>
+#include <QtWidgets/QComboBox>
+#include <QtWidgets/QListWidget>
+#include <QtWidgets/QListWidgetItem>
+#include <QtWidgets/QStyledItemDelegate>
+
+#include <string>
+#include "binaryninjaapi.h"
+#include "uicontext.h"
+#include "render.h"
+
+class BINARYNINJAUIAPI MergeVariableHeader : public QWidget
+{
+	std::vector<BinaryNinja::InstructionTextToken> m_tokens;
+	RenderContext m_renderContext;
+	int m_length;
+
+protected:
+	void paintEvent(QPaintEvent* event) override;
+	QSize sizeHint() const override;
+
+public:
+	MergeVariableHeader(const std::vector<BinaryNinja::InstructionTextToken>& tokens, QWidget* parent = nullptr);
+};
+
+class BINARYNINJAUIAPI MergeVariableListItem : public QListWidgetItem
+{
+	QWidget* m_owner;
+	FunctionRef m_func;
+	BinaryNinja::Variable m_var;
+	std::string m_name;
+	BinaryNinja::Confidence<BinaryNinja::Ref<BinaryNinja::Type>> m_type;
+	bool m_grayed;
+
+public:
+	MergeVariableListItem(QWidget* parent, BinaryNinja::Function* func, const BinaryNinja::Variable& var,
+		const std::string& name, BinaryNinja::Confidence<BinaryNinja::Ref<BinaryNinja::Type>> type,
+		const QString& warnings, bool grayed);
+	const BinaryNinja::Variable& variable() const { return m_var; }
+	virtual QVariant data(int role) const override;
+
+	static std::vector<BinaryNinja::InstructionTextToken> tokensForVariable(BinaryNinja::Function* func,
+		const BinaryNinja::Variable& var, BinaryNinja::Confidence<BinaryNinja::Ref<BinaryNinja::Type>> type,
+		const std::string& name);
+};
+
+class BINARYNINJAUIAPI MergeVariableItemDelegate : public QStyledItemDelegate
+{
+	Q_OBJECT
+
+	QWidget* m_parent;
+	QFont m_font;
+	int m_baseline, m_charWidth, m_charHeight, m_charOffset;
+
+public:
+	MergeVariableItemDelegate(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 MergeVariablesDialog : public QDialog
+{
+	Q_OBJECT
+	QListWidget* m_list;
+	std::set<BinaryNinja::Variable> m_existingVariables;
+
+public:
+	MergeVariablesDialog(QWidget* parent, FunctionRef func, BinaryNinja::Variable target);
+
+	std::set<BinaryNinja::Variable> mergedVariables();
+	std::set<BinaryNinja::Variable> unmergedVariables();
+};
-- 
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