RowItem::RowItem() :
_owner(NULL),
- _v_offset(0)
+ _layout_v_offset(0),
+ _visual_v_offset(0),
+ _v_offset_animation(this, "visual_v_offset")
{
}
-int RowItem::v_offset() const
+int RowItem::layout_v_offset() const
{
- return _v_offset;
+ return _layout_v_offset;
}
-void RowItem::set_v_offset(int v_offset)
+void RowItem::set_layout_v_offset(int v_offset)
{
- _v_offset = v_offset;
+ 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;
}
void RowItem::set_owner(RowItemOwner *owner)
{
- assert((_owner && !owner) || (!_owner && owner));
+ assert(_owner || owner);
+ _v_offset_animation.stop();
+
+ if (_owner) {
+ const int owner_offset = _owner->owner_visual_v_offset();
+ _layout_v_offset += owner_offset;
+ _visual_v_offset += owner_offset;
+ }
+
_owner = owner;
+
+ if (_owner) {
+ const int owner_offset = _owner->owner_visual_v_offset();
+ _layout_v_offset -= owner_offset;
+ _visual_v_offset -= owner_offset;
+ }
}
-int RowItem::get_y() const
+int RowItem::get_visual_y() const
{
assert(_owner);
- return _v_offset + _owner->owner_v_offset();
+ return _visual_v_offset + _owner->owner_visual_v_offset();
+}
+
+QPoint RowItem::point() const
+{
+ return QPoint(0, visual_v_offset());
}
void RowItem::paint_back(QPainter &p, int left, int right)