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CharacterMap: Add new Character Map application :^)
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88
Userland/Applications/CharacterMap/main.cpp
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88
Userland/Applications/CharacterMap/main.cpp
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/*
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* Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "CharacterMapWidget.h"
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#include <LibConfig/Client.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/System.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/FontDatabase.h>
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#include <LibMain/Main.h>
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#include <LibUnicode/CharacterTypes.h>
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static void search_and_print_results(String const& query)
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{
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outln("Searching for '{}'", query);
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String uppercase_query = query.to_uppercase();
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StringView uppercase_query_view = uppercase_query.view();
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// FIXME: At time of writing there are 144,697 code points in Unicode. I've added some breathing room,
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// but ideally this would be defined in LibUnicode somewhere.
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constexpr u32 unicode_character_count = 150000;
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// FIXME: There's probably a better way to do this than just looping, but it still only takes ~150ms to run for me!
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u32 result_count = 0;
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for (u32 i = 1; i < unicode_character_count; ++i) {
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if (auto maybe_display_name = Unicode::code_point_display_name(i); maybe_display_name.has_value()) {
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auto& display_name = maybe_display_name.value();
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// FIXME: This should be a case-sensitive search, since we already converted the query to uppercase
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// and the unicode names are all in uppercase. But, that makes it run slower!
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// Sensitive: ~175ms, Insensitive: ~140ms
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if (display_name.contains(uppercase_query_view, AK::CaseSensitivity::CaseInsensitive)) {
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StringBuilder builder;
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builder.append_code_point(i);
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builder.append(" - ");
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builder.append(display_name);
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outln(builder.string_view());
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result_count++;
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}
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}
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}
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if (result_count == 0)
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outln("No results found.");
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else if (result_count == 1)
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outln("1 result found.");
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else
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outln("{} results found.", result_count);
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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TRY(Core::System::pledge("stdio recvfd sendfd rpath unix"));
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auto app = TRY(GUI::Application::try_create(arguments));
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Config::pledge_domains("CharacterMap");
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TRY(Core::System::pledge("stdio recvfd sendfd rpath"));
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TRY(Core::System::unveil("/res", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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String query;
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Core::ArgsParser args_parser;
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args_parser.add_option(query, "Search character names using this query, and print them as a list.", "search", 's', "query");
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args_parser.parse(arguments);
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if (!query.is_empty()) {
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search_and_print_results(query);
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return 0;
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}
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auto app_icon = TRY(GUI::Icon::try_create_default_icon("app-keyboard-settings"));
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auto window = TRY(GUI::Window::try_create());
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window->set_title("Character Map");
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window->set_icon(app_icon.bitmap_for_size(16));
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window->resize(400, 400);
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auto character_map_widget = TRY(window->try_set_main_widget<CharacterMapWidget>());
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character_map_widget->initialize_menubar(*window);
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auto font_query = Config::read_string("CharacterMap", "History", "Font", Gfx::FontDatabase::the().default_font_query());
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character_map_widget->set_font(Gfx::FontDatabase::the().get_by_name(font_query));
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window->show();
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return app->exec();
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}
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