src: refactored UI elements and graphics file structure

* split QtIconButton into multiple files
* moved graph elements from view to graphics
* structured elements into sub directories

src/lib_gui/qt/element/code/QtCodeNavigateable.h

@@ -0,0 +1,53 @@
+#ifndef QT_CODE_NAVIGATEABLE_H
+#define QT_CODE_NAVIGATEABLE_H
+
+#include <set>
+
+#include "types.h"
+
+#include "CodeSnippetParams.h"
+
+class FilePath;
+class QRectF;
+class QAbstractScrollArea;
+class QRect;
+class QtCodeArea;
+class QWidget;
+
+class QtCodeNavigateable
+{
+public:
+	enum ScrollTarget
+	{
+		SCROLL_VISIBLE,
+		SCROLL_CENTER,
+		SCROLL_TOP
+	};
+
+	virtual ~QtCodeNavigateable();
+
+	virtual QAbstractScrollArea* getScrollArea() = 0;
+
+	virtual void addCodeSnippet(const CodeSnippetParams& params) = 0;
+	virtual void updateCodeSnippet(const CodeSnippetParams& params) = 0;
+
+	virtual void requestFileContent(const FilePath& filePath) = 0;
+	virtual bool requestScroll(const FilePath& filePath, uint lineNumber, Id locationId, bool animated, ScrollTarget target) = 0;
+
+	virtual void updateFiles() = 0;
+	virtual void showContents() = 0;
+
+	virtual void onWindowFocus() = 0;
+
+	virtual void findScreenMatches(const std::wstring& query, std::vector<std::pair<QtCodeArea*, Id>>* screenMatches) = 0;
+
+	virtual std::vector<std::pair<FilePath, Id>> getLocationIdsForTokenIds(const std::set<Id>& tokenIds) const = 0;
+
+protected:
+	void ensureWidgetVisibleAnimated(const QWidget* parentWidget, const QWidget *childWidget, QRectF rect, bool animated, ScrollTarget target);
+	void ensurePercentVisibleAnimated(double percentA, double percentB, bool animated, ScrollTarget target);
+
+	QRect getFocusRectForWidget(const QWidget* childWidget, const QWidget* parentWidget) const;
+};
+
+#endif // QT_CODE_NAVIGATEABLE_H