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Diffstat (limited to 'source/blender/editors/interface/views/abstract_view.cc')
-rw-r--r-- | source/blender/editors/interface/views/abstract_view.cc | 109 |
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 |