Initial commit: ReclassX structured binary editor

src/editor.h

@@ -0,0 +1,109 @@
+#pragma once
+#include "core.h"
+#include <QWidget>
+#include <QSet>
+#include <QPoint>
+
+class QsciScintilla;
+class QsciLexerCPP;
+
+namespace rcx {
+
+class RcxEditor : public QWidget {
+    Q_OBJECT
+public:
+    explicit RcxEditor(QWidget* parent = nullptr);
+
+    void applyDocument(const ComposeResult& result);
+
+    ViewState saveViewState() const;
+    void restoreViewState(const ViewState& vs);
+
+    QsciScintilla* scintilla() const { return m_sci; }
+    const LineMeta* metaForLine(int line) const;
+    int currentNodeIndex() const;
+
+    // ── Column span computation ──
+    static ColumnSpan typeSpan(const LineMeta& lm);
+    static ColumnSpan nameSpan(const LineMeta& lm);
+    static ColumnSpan valueSpan(const LineMeta& lm, int lineLength);
+
+    // ── Multi-selection ──
+    QSet<int> selectedNodeIndices() const;
+
+    // ── Inline editing ──
+    bool isEditing() const { return m_editState.active; }
+    bool beginInlineEdit(EditTarget target, int line = -1);
+    void cancelInlineEdit();
+
+    void applySelectionOverlay(const QSet<uint64_t>& selIds);
+
+signals:
+    void marginClicked(int margin, int line, Qt::KeyboardModifiers mods);
+    void contextMenuRequested(int line, int nodeIdx, int subLine, QPoint globalPos);
+    void nodeClicked(int line, uint64_t nodeId, Qt::KeyboardModifiers mods);
+    void inlineEditCommitted(int nodeIdx, int subLine,
+                             EditTarget target, const QString& text);
+    void inlineEditCancelled();
+
+protected:
+    bool eventFilter(QObject* obj, QEvent* event) override;
+
+private:
+    QsciScintilla*    m_sci    = nullptr;
+    QsciLexerCPP*     m_lexer  = nullptr;
+    QVector<LineMeta> m_meta;
+
+    int m_marginStyleBase = -1;
+    int m_hintLine = -1;
+
+    // ── Hover cursor + highlight ──
+    QPoint m_lastHoverPos;
+    bool   m_hoverInside = false;
+    bool   m_cursorOverridden = false;
+    uint64_t m_hoveredNodeId = 0;
+    QSet<uint64_t> m_currentSelIds;
+
+    // ── Inline edit state ──
+    struct InlineEditState {
+        bool       active    = false;
+        int        line      = -1;
+        int        nodeIdx   = -1;
+        int        subLine   = 0;
+        EditTarget target    = EditTarget::Name;
+        int        spanStart = 0;
+        int        linelenAfterReplace = 0;
+        QString    original;
+    };
+    InlineEditState m_editState;
+
+    void setupScintilla();
+    void setupLexer();
+    void setupMargins();
+    void setupFolding();
+    void setupMarkers();
+    void allocateMarginStyles();
+
+    void applyMarginText(const QVector<LineMeta>& meta);
+    void applyMarkers(const QVector<LineMeta>& meta);
+    void applyFoldLevels(const QVector<LineMeta>& meta);
+    void applyHexDimming(const QVector<LineMeta>& meta);
+
+    void commitInlineEdit();
+    bool handleNormalKey(QKeyEvent* ke);
+    bool handleEditKey(QKeyEvent* ke);
+    void showTypeAutocomplete();
+    void updateEditableUnderline(int line);
+    void applyHoverCursor();
+    void applyHoverHighlight();
+
+    // ── Refactored helpers ──
+    struct EndEditInfo { int nodeIdx; int subLine; EditTarget target; };
+    EndEditInfo endInlineEdit();
+
+    struct NormalizedSpan { int start = 0; int end = 0; bool valid = false; };
+    NormalizedSpan normalizeSpan(const ColumnSpan& raw, const QString& lineText,
+                                 EditTarget target, bool skipPrefixes) const;
+};
+
+} // namespace rcx