Merge branch 'master' into geometry-nodes-iterative-cachegeometry-nodes-rigid-body-integration

1 files changed, 109 insertions, 0 deletions

diff --git a/source/blender/editors/interface/views/abstract_view.cc b/source/blender/editors/interface/views/abstract_view.cc
new file mode 100644
index 00000000000..077c76a08f1
--- /dev/null
+++ b/source/blender/editors/interface/views/abstract_view.cc
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+/** \file
+ * \ingroup edinterface
+ */
+
+#include "interface_intern.h"
+
+#include "UI_abstract_view.hh"
+
+namespace blender::ui {
+
+void AbstractView::register_item(AbstractViewItem &item)
+{
+  /* Actually modifies the item, not the view.  But for the public API it "feels" a bit nicer to
+   * have the view base class register the items, rather than setting the view on the item. */
+  item.view_ = this;
+}
+
+/* ---------------------------------------------------------------------- */
+/** \name View Reconstruction
+ * \{ */
+
+bool AbstractView::is_reconstructed() const
+{
+  return is_reconstructed_;
+}
+
+void AbstractView::update_from_old(uiBlock &new_block)
+{
+  uiBlock *old_block = new_block.oldblock;
+  if (!old_block) {
+    is_reconstructed_ = true;
+    return;
+  }
+
+  uiViewHandle *old_view_handle = ui_block_view_find_matching_in_old_block(
+      &new_block, reinterpret_cast<uiViewHandle *>(this));
+  if (old_view_handle == nullptr) {
+    /* Initial construction, nothing to update. */
+    is_reconstructed_ = true;
+    return;
+  }
+
+  AbstractView &old_view = reinterpret_cast<AbstractView &>(*old_view_handle);
+
+  /* Update own persistent data. */
+  /* Keep the rename buffer persistent while renaming! The rename button uses the buffer's
+   * pointer to identify itself over redraws. */
+  rename_buffer_ = std::move(old_view.rename_buffer_);
+  old_view.rename_buffer_ = nullptr;
+
+  update_children_from_old(old_view);
+
+  /* Finished (re-)constructing the tree. */
+  is_reconstructed_ = true;
+}
+
+/** \} */
+
+/* ---------------------------------------------------------------------- */
+/** \name Default implementations of virtual functions
+ * \{ */
+
+bool AbstractView::listen(const wmNotifier & /*notifier*/) const
+{
+  /* Nothing by default. */
+  return false;
+}
+
+/** \} */
+
+/* ---------------------------------------------------------------------- */
+/** \name Renaming
+ * \{ */
+
+bool AbstractView::is_renaming() const
+{
+  return rename_buffer_ != nullptr;
+}
+
+bool AbstractView::begin_renaming()
+{
+  if (is_renaming()) {
+    return false;
+  }
+
+  rename_buffer_ = std::make_unique<decltype(rename_buffer_)::element_type>();
+  return true;
+}
+
+void AbstractView::end_renaming()
+{
+  BLI_assert(is_renaming());
+  rename_buffer_ = nullptr;
+}
+
+Span<char> AbstractView::get_rename_buffer() const
+{
+  return *rename_buffer_;
+}
+MutableSpan<char> AbstractView::get_rename_buffer()
+{
+  return *rename_buffer_;
+}
+
+/** \} */
+
+}  // namespace blender::ui