修面板布局：根表格与按钮子表 top()，按钮行/状态行不再 fill（否则控件被拉伸挤到停靠框下方）

viewpanel/src/com/spineview/ObjectPanel.java

@@ -60,6 +60,7 @@ public final class ObjectPanel {
 
     Object root = tableClass.getConstructor().newInstance();
     Object rows = tableClass.getConstructor().newInstance();
+    call(rows, Obf.TABLE_TOP, new Class<?>[0], tableClass);
     state.listTable = tableClass.getConstructor().newInstance();
     Object scroll = scrollClass.getConstructor(actorClass, skinClass).newInstance(state.listTable, skin);
     state.listScroll = scroll;
@@ -69,6 +70,8 @@ public final class ObjectPanel {
 
     // 让面板铺满停靠框（WidgetGroup.setFillParent）。
     call(root, Obf.TABLE_SET_FILL_PARENT, new Class<?>[] {boolean.class}, void.class, Boolean.TRUE);
+    // 内容整体靠上：不设的话控件会在停靠框里垂直居中/被挤到下面
+    call(root, Obf.TABLE_TOP, new Class<?>[0], tableClass);
 
     Object refresh = button(loader, skin, "Refresh");
     Object newBone = button(loader, skin, "New Bone");
@@ -104,13 +107,13 @@ public final class ObjectPanel {
 
     // 第 1 行：按钮区；第 2 行：对象列表（撑满）；第 3 行：状态行。
     cell = call(root, Obf.TABLE_ADD, new Class<?>[] {actorClass}, cellClass, rows);
-    layoutCell(cell, Obf.CELL_LEFT, Obf.CELL_FILL);
+    layoutCell(cell, Obf.CELL_LEFT);
     call(root, Obf.TABLE_ROW, new Class<?>[0], cellClass);
     cell = call(root, Obf.TABLE_ADD, new Class<?>[] {actorClass}, cellClass, scroll);
     layoutCell(cell, Obf.CELL_EXPAND, Obf.CELL_FILL, Obf.CELL_TOP);
     call(root, Obf.TABLE_ROW, new Class<?>[0], cellClass);
     cell = call(root, Obf.TABLE_ADD, new Class<?>[] {actorClass}, cellClass, state.status);
-    layoutCell(cell, Obf.CELL_LEFT, Obf.CELL_FILL);
+    layoutCell(cell, Obf.CELL_LEFT);
 
     wire(loader, refresh, new Runnable() {
       @Override