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104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
/*
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* Copyright (c) 2022-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "CharacterSearchWidget.h"
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#include "SearchCharacters.h"
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#include <Applications/CharacterMap/CharacterSearchWindowGML.h>
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#include <LibCore/Debounce.h>
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struct SearchResult {
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u32 code_point;
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DeprecatedString code_point_string;
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DeprecatedString display_text;
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};
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class CharacterSearchModel final : public GUI::Model {
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public:
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CharacterSearchModel() = default;
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int row_count(GUI::ModelIndex const&) const override { return m_data.size(); }
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int column_count(GUI::ModelIndex const&) const override { return 2; }
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GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role) const override
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{
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auto& result = m_data.at(index.row());
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if (role == GUI::ModelRole::Display) {
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if (index.column() == 0)
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return result.code_point_string;
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return result.display_text;
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}
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if (role == GUI::ModelRole::Custom)
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return result.code_point;
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return {};
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}
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void clear()
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{
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m_data.clear();
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invalidate();
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}
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void add_result(SearchResult result)
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{
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m_data.append(move(result));
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invalidate();
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}
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private:
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Vector<SearchResult> m_data;
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};
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CharacterSearchWidget::CharacterSearchWidget()
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{
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load_from_gml(character_search_window_gml).release_value_but_fixme_should_propagate_errors();
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m_search_input = find_descendant_of_type_named<GUI::TextBox>("search_input");
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m_results_table = find_descendant_of_type_named<GUI::TableView>("results_table");
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m_search_input->on_up_pressed = [this] { m_results_table->move_cursor(GUI::AbstractView::CursorMovement::Up, GUI::AbstractView::SelectionUpdate::Set); };
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m_search_input->on_down_pressed = [this] { m_results_table->move_cursor(GUI::AbstractView::CursorMovement::Down, GUI::AbstractView::SelectionUpdate::Set); };
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m_search_input->on_change = Core::debounce([this] { search(); }, 100);
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m_results_table->horizontal_scrollbar().set_visible(false);
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m_results_table->set_column_headers_visible(false);
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m_results_table->set_model(adopt_ref(*new CharacterSearchModel()));
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m_results_table->on_selection_change = [&] {
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auto& model = static_cast<CharacterSearchModel&>(*m_results_table->model());
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auto index = m_results_table->selection().first();
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auto code_point = model.data(index, GUI::ModelRole::Custom).as_u32();
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if (on_character_selected)
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on_character_selected(code_point);
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};
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}
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void CharacterSearchWidget::search()
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{
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ScopeGuard guard { [&] { m_results_table->set_updates_enabled(true); } };
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m_results_table->set_updates_enabled(false);
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// TODO: Sort the results nicely. They're sorted by code-point for now, which is easy, but not the most useful.
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// Sorting intelligently in a style similar to Assistant would be nicer.
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// Note that this will mean limiting the number of results some other way.
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auto& model = static_cast<CharacterSearchModel&>(*m_results_table->model());
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model.clear();
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auto query = m_search_input->text();
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if (query.is_empty())
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return;
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for_each_character_containing(query, [&](auto code_point, auto display_name) {
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StringBuilder builder;
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builder.append_code_point(code_point);
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model.add_result({ code_point, builder.to_deprecated_string(), move(display_name) });
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// Stop when we reach 250 results.
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// This is already too many for the search to be useful, and means we don't spend forever recalculating the column size.
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if (model.row_count({}) >= 250)
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return IterationDecision::Break;
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return IterationDecision::Continue;
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});
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}
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