+ if (layout_v_offset_ == v_offset)
+ return;
+
+ layout_v_offset_ = v_offset;
+
+ if (owner_)
+ owner_->extents_changed(false, true);
+}
+
+int RowItem::visual_v_offset() const
+{
+ return visual_v_offset_;
+}
+
+void RowItem::set_visual_v_offset(int v_offset)
+{
+ visual_v_offset_ = v_offset;
+
+ if (owner_)
+ owner_->appearance_changed(true, true);
+}
+
+void RowItem::force_to_v_offset(int v_offset)
+{
+ v_offset_animation_.stop();
+ layout_v_offset_ = visual_v_offset_ = v_offset;
+}
+
+void RowItem::animate_to_layout_v_offset()
+{
+ if (visual_v_offset_ == layout_v_offset_ ||
+ (v_offset_animation_.endValue() == layout_v_offset_ &&
+ v_offset_animation_.state() == QAbstractAnimation::Running))
+ return;
+
+ v_offset_animation_.setDuration(100);
+ v_offset_animation_.setStartValue(visual_v_offset_);
+ v_offset_animation_.setEndValue(layout_v_offset_);
+ v_offset_animation_.setEasingCurve(QEasingCurve::OutQuad);
+ v_offset_animation_.start();
+}
+
+RowItemOwner* RowItem::owner() const
+{
+ return owner_;