Julian Eisel
e86c2f7288
Renaming is a nice example of a feature that shouldn't need a specific implementation for a specific view type (e.g. grid or tree view). So it's something that can be supported in the general view code. Individual views can use it "for free" then. This ports the view level part of the renaming code, the view item level part of it can be ported once we have a common base class for the view items.
103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/** \file
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* \ingroup edinterface
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*/
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#include "interface_intern.h"
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#include "UI_abstract_view.hh"
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namespace blender::ui {
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/* ---------------------------------------------------------------------- */
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/** \name View Reconstruction
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* \{ */
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bool AbstractView::is_reconstructed() const
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{
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return is_reconstructed_;
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}
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void AbstractView::update_from_old(uiBlock &new_block)
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{
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uiBlock *old_block = new_block.oldblock;
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if (!old_block) {
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is_reconstructed_ = true;
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return;
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}
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uiViewHandle *old_view_handle = ui_block_view_find_matching_in_old_block(
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&new_block, reinterpret_cast<uiViewHandle *>(this));
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if (old_view_handle == nullptr) {
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/* Initial construction, nothing to update. */
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is_reconstructed_ = true;
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return;
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}
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AbstractView &old_view = reinterpret_cast<AbstractView &>(*old_view_handle);
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/* Update own persistent data. */
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/* Keep the rename buffer persistent while renaming! The rename button uses the buffer's
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* pointer to identify itself over redraws. */
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rename_buffer_ = std::move(old_view.rename_buffer_);
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old_view.rename_buffer_ = nullptr;
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update_children_from_old(old_view);
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/* Finished (re-)constructing the tree. */
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is_reconstructed_ = true;
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}
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/** \} */
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/* ---------------------------------------------------------------------- */
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/** \name Default implementations of virtual functions
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* \{ */
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bool AbstractView::listen(const wmNotifier & /*notifier*/) const
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{
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/* Nothing by default. */
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return false;
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}
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/** \} */
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/* ---------------------------------------------------------------------- */
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/** \name Renaming
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* \{ */
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bool AbstractView::is_renaming() const
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{
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return rename_buffer_ != nullptr;
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}
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bool AbstractView::begin_renaming()
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{
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if (is_renaming()) {
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return false;
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}
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rename_buffer_ = std::make_unique<decltype(rename_buffer_)::element_type>();
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return true;
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}
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void AbstractView::end_renaming()
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{
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BLI_assert(is_renaming());
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rename_buffer_ = nullptr;
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}
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Span<char> AbstractView::get_rename_buffer() const
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{
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return *rename_buffer_;
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}
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MutableSpan<char> AbstractView::get_rename_buffer()
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{
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return *rename_buffer_;
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}
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/** \} */
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} // namespace blender::ui
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