add QCodeEditor

external/QCodeEditor/include/internal/QFramedTextAttribute.hpp

@@ -0,0 +1,88 @@
+#pragma once
+
+// Qt
+#include <QObject> // Required for inheritance
+#include <QTextObjectInterface> // Required for inheritance
+
+class QSyntaxStyle;
+
+/**
+ * @brief Class, that describes
+ * attribute for making text frame.
+ */
+class QFramedTextAttribute : public QObject,
+                             public QTextObjectInterface
+{
+    Q_OBJECT
+    Q_INTERFACES(QTextObjectInterface)
+
+public:
+
+    enum Property
+    {
+        FramedString = 1
+    };
+
+    /**
+     * @brief Static method for getting framed text
+     * attribute type.
+     */
+    static int type();
+
+    /**
+     * @brief Constructor.
+     * @param parent Pointer to parent QObject.
+     */
+    explicit QFramedTextAttribute(QObject* parent=nullptr);
+
+    // Disable copying
+    QFramedTextAttribute(const QFramedTextAttribute&) = delete;
+    QFramedTextAttribute& operator=(const QFramedTextAttribute&) = delete;
+
+    /**
+     * @brief Method for getting custom element (frame)
+     * size. Though frame symbol has no size, this
+     * method returns {0, 0}
+     */
+    QSizeF intrinsicSize(QTextDocument *doc,
+                         int posInDocument,
+                         const QTextFormat &format) override;
+
+    /**
+     * @brief Method for drawing frame.
+     */
+    void drawObject(QPainter *painter,
+                    const QRectF &rect,
+                    QTextDocument *doc,
+                    int posInDocument,
+                    const QTextFormat &format) override;
+
+    /**
+     * @brief Method for creating frame in cursor
+     * selection.
+     * @param cursor Cursor.
+     */
+    void frame(QTextCursor cursor);
+
+    /**
+     * @brief Method for clearing all frames
+     * with desired cursor.
+     */
+    void clear(QTextCursor cursor);
+
+    /**
+     * @brief Method for setting syntax style
+     * for rendering.
+     */
+    void setSyntaxStyle(QSyntaxStyle* style);
+
+    /**
+     * @brief Method for getting syntax style.
+     */
+    QSyntaxStyle* syntaxStyle() const;
+
+private:
+
+    QSyntaxStyle* m_style;
+};
+