update

client/gui/timeline/TimelineWidget.h

@@ -3,13 +3,13 @@
 #include <QWidget>
 
 class QResizeEvent;
+class TimelineEditorModel;
 
 class TimelineWidget final : public QWidget {
     Q_OBJECT
 public:
     explicit TimelineWidget(QWidget* parent = nullptr);
 
-    // 兼容旧接口：NLA/片段系统下时间轴始终固定为 0..600（local frame）。
     void setFrameRange(int start, int end);
     void setCurrentFrame(int frame);
     /// 由主窗口同步工程帧时调用：不发射 frameScrubbed，避免与拖动/刷新打架造成数字闪烁
@@ -20,6 +20,9 @@ public:
     int selectionStart() const { return m_selStart; }
     int selectionEnd() const { return m_selEnd; }
 
+    void setModel(TimelineEditorModel* model);
+    TimelineEditorModel* model() const { return m_model; }
+
     // 轨道数据直接由上层提供（通常来自当前条带引用的 clip）。
     void setKeyframeTracks(const QVector<int>& locFrames,
                            const QVector<int>& scaleFrames,
@@ -63,9 +66,9 @@ private:
 
     void setFrameInternal(int frame, bool commit);
 
-    static constexpr int kStart = 0;
-    static constexpr int kEnd = 600; // exclusive for mapping, inclusive for UI labels
-    int m_currentFrame = 0;          // local frame: 0..599
+    int m_start = 0;
+    int m_end = 600;        // exclusive for mapping
+    int m_currentFrame = 0;
 
     int m_selStart = -1;
     int m_selEnd = -1;
@@ -83,4 +86,6 @@ private:
 
     KeyKind m_selKeyKind = KeyKind::None;
     int m_selKeyFrame = -1;
+
+    TimelineEditorModel* m_model = nullptr; // non-owning
 };