First installation of common gizmo data pool

src/slic3r/GUI/Gizmos/GLGizmosCommon.cpp

@@ -0,0 +1,53 @@
+#include "GLGizmosCommon.hpp"
+
+#include <cassert>
+
+#include "slic3r/GUI/GLCanvas3D.hpp"
+
+namespace Slic3r {
+namespace GUI {
+
+
+CommonGizmosDataPool::CommonGizmosDataPool(GLCanvas3D* canvas)
+    : m_canvas(canvas)
+{
+    using namespace CommonGizmosDataObjects;
+    using c = CommonGizmosDataID;
+    m_data[c::SelectionInfo].reset(       new SelectionInfo(this));
+    m_data[c::InstancesHider].reset(      new InstancesHider(this));
+    m_data[c::HollowedMesh].reset(        new HollowedMesh(this));
+    m_data[c::ClippingPlaneWrapper].reset(new ClippingPlaneWrapper(this));
+    m_data[c::SupportsClipper].reset(     new SupportsClipper(this));
+    m_data[c::MeshRaycaster].reset(       new Raycaster(this));
+}
+
+void CommonGizmosDataPool::update(CommonGizmosDataID required)
+{
+    assert(check_dependencies(required));
+    for (auto& [id, data] : m_data)
+        data->update(int(required) & int(CommonGizmosDataID(id)));
+}
+
+#ifndef NDEBUG
+bool CommonGizmosDataPool::check_dependencies(CommonGizmosDataID required) const
+{
+    // This should iterate over currently required data. Each of them should
+    // be asked about its dependencies and it must check that all dependencies
+    // are also in required and before the current one.
+    return true;
+}
+#endif // NDEBUG
+
+
+
+
+void CommonGizmosDataObjects::SelectionInfo::update(bool required)
+{
+    Selection selection = m_common->get_canvas()->get_selection();
+
+}
+
+
+
+} // namespace GUI
+} // namespace Slic3r