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add messagebox to template binding, add absolute positioning layout, add observer instead of stack based node traversal which is not great in case of hierarchical traversal

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This commit is contained in:
omigamedev
2017-02-16 00:32:03 +00:00
parent 0d3c48fd98
commit d74af8ed17
5 changed files with 269 additions and 82 deletions
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52
engine/layout.cpp
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@@ -62,6 +62,16 @@ void Node::add_child(Node* n)
YGNodeInsertChild(y_node, n->y_node, YGNodeGetChildCount(y_node));
}
void Node::remove_child(Node* n)
{
auto i = std::find_if(m_children.begin(), m_children.end(), [=](std::unique_ptr<Node>& ptr)
{
return ptr.get() == n;
});
m_children.erase(i);
YGNodeRemoveChild(y_node, n->y_node);
}
void Node::update(float width, float height)
{
YGNodeStyleSetWidth(y_node, width);
@@ -212,6 +222,34 @@ void Node::parse_attributes(kAttribute ka, const tinyxml2::XMLAttribute* attr)
YGNodeStyleSetAlignItems(y_node, v);
break;
}
case kAttribute::Positioning:
{
YGPositionType v = YGPositionTypeRelative;
if (strcmp("relative", attr->Value()) == 0)
v = YGPositionTypeRelative;
else if (strcmp("absolute", attr->Value()) == 0)
v = YGPositionTypeAbsolute;
YGNodeStyleSetPositionType(y_node, v);
break;
}
case kAttribute::Position:
{
glm::vec4 v;
int n = sscanf(attr->Value(), "%f %f %f %f", &v.x, &v.y, &v.z, &v.w);
if (n == 2)
{
YGNodeStyleSetPosition(y_node, YGEdgeLeft, v.x);
YGNodeStyleSetPosition(y_node, YGEdgeTop, v.y);
}
else
{
YGNodeStyleSetPadding(y_node, YGEdgeLeft, v.x);
YGNodeStyleSetPadding(y_node, YGEdgeTop, v.y);
YGNodeStyleSetPadding(y_node, YGEdgeRight, v.z);
YGNodeStyleSetPadding(y_node, YGEdgeBottom, v.w);
}
break;
}
case kAttribute::Padding:
{
glm::vec4 pad;
@@ -333,6 +371,7 @@ Node* Node::clone()
{
Node* n = clone_instantiate();
clone_copy(n);
clone_children(n);
return n;
}
@@ -345,11 +384,24 @@ void Node::clone_copy(Node* dest) const
{
YGNodeCopyStyle(dest->y_node, y_node);
dest->m_manager = m_manager;
dest->m_name = m_name;
dest->m_nodeID_s = m_nodeID_s;
dest->m_nodeID = m_nodeID;
dest->m_display = m_display;
dest->m_pos = m_pos;
dest->m_size = m_size;
dest->m_clip = m_clip;
}
void Node::clone_children(Node* dest) const
{
for (auto& c : m_children)
{
Node* cn = c->clone();
dest->m_children.emplace_back(cn);
cn->parent = dest;
cn->m_manager = m_manager;
YGNodeInsertChild(dest->y_node, cn->y_node, YGNodeGetChildCount(dest->y_node));
}
}