TraceGroup: Implemented stacking

[pulseview.git] / pv / view / rowitemowner.cpp

diff --git a/pv/view/rowitemowner.cpp b/pv/view/rowitemowner.cpp
index 3ef2782eb3ec62db7c2c1b46bd1a33b5e41edb38..a8bdadfa21079a7da1bb44e3a6d01711bc62f558 100644 (file)
--- a/pv/view/rowitemowner.cpp
+++ b/pv/view/rowitemowner.cpp
@@ -18,4 +18,102 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  */
 
+#include <cassert>
+
+#include "rowitem.h"
 #include "rowitemowner.h"
+
+using std::max;
+using std::make_pair;
+using std::min;
+using std::pair;
+using std::shared_ptr;
+using std::vector;
+
+namespace pv {
+namespace view {
+
+vector< shared_ptr<RowItem> >& RowItemOwner::child_items()
+{
+       return _items;
+}
+
+const vector< shared_ptr<RowItem> >& RowItemOwner::child_items() const
+{
+       return _items;
+}
+
+void RowItemOwner::clear_child_items()
+{
+       for (auto &i : _items) {
+               assert(i->owner() == this);
+               i->set_owner(nullptr);
+       }
+       _items.clear();
+}
+
+void RowItemOwner::add_child_item(std::shared_ptr<RowItem> item)
+{
+       assert(!item->owner());
+       item->set_owner(this);
+       _items.push_back(item);
+
+       extents_changed(true, true);
+}
+
+void RowItemOwner::remove_child_item(std::shared_ptr<RowItem> item)
+{
+       assert(item->owner() == this);
+       item->set_owner(nullptr);
+       auto iter = std::find(_items.begin(), _items.end(), item);
+       assert(iter != _items.end());
+       _items.erase(iter);
+
+       extents_changed(true, true);
+}
+
+RowItemOwner::iterator RowItemOwner::begin()
+{
+       return iterator(this, _items.begin());
+}
+
+RowItemOwner::iterator RowItemOwner::end()
+{
+       return iterator(this);
+}
+
+RowItemOwner::const_iterator RowItemOwner::begin() const
+{
+       return const_iterator(this, _items.cbegin());
+}
+
+RowItemOwner::const_iterator RowItemOwner::end() const
+{
+       return const_iterator(this);
+}
+
+pair<int, int> RowItemOwner::v_extents() const
+{
+       pair<int, int> extents(0, 0);
+       for (const shared_ptr<RowItem> r : child_items()) {
+               assert(r);
+               if (!r->enabled())
+                       continue;
+
+               const int child_offset = r->layout_v_offset();
+               const pair<int, int> child_extents = r->v_extents();
+               extents.first = min(child_extents.first + child_offset,
+                       extents.first);
+               extents.second = max(child_extents.second + child_offset,
+                       extents.second);
+       }
+
+       return extents;
+}
+
+void RowItemOwner::restack_items()
+{
+}
+
+} // view
+} // pv