From 97ac519092fc87e27c49ab21aafb41b77f40dc03 Mon Sep 17 00:00:00 2001
From: Rusty Wagner <rusty.wagner@gmail.com>
Date: Fri, 12 Jan 2024 10:11:19 -0700
Subject: Sidebar improvements

---
 ui/splitter.h | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 ui/splitter.h

(limited to 'ui/splitter.h')

diff --git a/ui/splitter.h b/ui/splitter.h
new file mode 100644
index 00000000..089de444
--- /dev/null
+++ b/ui/splitter.h
@@ -0,0 +1,123 @@
+#pragma once
+
+#include <QtWidgets/QWidget>
+#include <QtCore/QSettings>
+#include <vector>
+#include <set>
+#include <map>
+#include "uicontext.h"
+
+/*!
+    \defgroup splitter Splitter
+    \ingroup uiapi
+*/
+
+/*!
+    \ingroup splitter
+*/
+enum SplitterWidgetSizingStyle
+{
+	RelativeWidgetSize,
+	WidgetSizeInPoints
+};
+
+/*!
+    \ingroup splitter
+*/
+struct BINARYNINJAUIAPI SplitterWidgetSizing
+{
+	SplitterWidgetSizingStyle style;
+	float referenceSize;
+	bool isDefault;
+	float requestedSize;
+	QString group;
+
+	static SplitterWidgetSizing relativeSize(float relativeSize = 1, const QString& group = QString());
+	static SplitterWidgetSizing pointSize(int size);
+
+	QVariantMap serialize() const;
+	static std::optional<SplitterWidgetSizing> deserialize(const QVariantMap& value);
+};
+
+/*!
+    \ingroup splitter
+*/
+struct BINARYNINJAUIAPI SplitterWidget
+{
+	QString key;
+	QWidget* widget;
+	bool visible;
+	SplitterWidgetSizing sizing;
+	int actualSize, minimumSize;
+};
+
+/*!
+    \ingroup splitter
+*/
+class BINARYNINJAUIAPI Splitter: public QWidget
+{
+	Q_OBJECT
+
+	struct SplitterDragInfo
+	{
+		size_t left, right;
+		int offset;
+	};
+
+	struct GroupInfo
+	{
+		QString group;
+		std::set<SplitterWidget*> widgets;
+		SplitterWidgetSizing sizing;
+		int actualSize, minimumSize;
+	};
+
+	Qt::Orientation m_orientation;
+	int m_handleSize;
+
+	std::vector<SplitterWidget> m_widgets;
+	std::map<QString, SplitterWidgetSizing> m_sizing;
+	std::map<QString, SplitterWidgetSizing> m_groupSizing;
+
+	std::optional<size_t> m_handleHover;
+	std::optional<SplitterDragInfo> m_handleDrag;
+
+	bool m_updatingLayout = false;
+
+public:
+	Splitter(Qt::Orientation orientation);
+
+	void addWidget(const QString& key, QWidget* widget, const SplitterWidgetSizing& defaultSize);
+	void insertWidget(const QString& key, size_t index, QWidget* widget, const SplitterWidgetSizing& defaultSize);
+	void addRelativeSizeGroup(const QString& group, float relativeSize);
+
+	QVariantMap saveState();
+	void saveState(QSettings& settings, const QString& stateName);
+	void restoreState(const QVariantMap& state);
+	void restoreState(const QSettings& settings, const QString& stateName);
+	void resetToDefault();
+
+protected:
+	virtual void paintEvent(QPaintEvent* event) override;
+	virtual void mousePressEvent(QMouseEvent* event) override;
+	virtual void mouseMoveEvent(QMouseEvent* event) override;
+	virtual void mouseReleaseEvent(QMouseEvent* event) override;
+	virtual void leaveEvent(QEvent* event) override;
+	virtual void resizeEvent(QResizeEvent* event) override;
+	virtual void childEvent(QChildEvent* event) override;
+	virtual bool event(QEvent* event) override;
+
+private:
+	void forAllSplitterHandles(const std::function<void(size_t leftIdx, size_t rightIdx, int pos)>& func);
+	void processLayout(const std::function<int(int availablePointSize)>& processPointSizeWidgets,
+		const std::function<void(int availableWidgetSize)>& processRelativeSizeWidgets);
+	void getWidgetsForSizingStyle(SplitterWidgetSizingStyle style,
+		std::set<SplitterWidget*>& widgets, std::vector<GroupInfo>& groups);
+	void regenerateLayoutForRelativeSizedWidgets(
+		std::set<SplitterWidget*> widgets, std::vector<GroupInfo> groups, int availableSize);
+	void regenerateLayout();
+	void calculateRequestedSizesForRelativeSizedWidgets(
+		const std::set<SplitterWidget*>& widgets, const std::vector<GroupInfo>& groups, int availableSize);
+	void calculateRequestedSizesForActualLayout();
+	void updateWidgetPositions();
+};
-- 
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