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Serenity Operating System
1/*
2 * Copyright (c) 2022, Sam Atkins <atkinssj@serenityos.org>
3 * Copyright (c) 2022, the SerenityOS developers.
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#include "CharacterMapWidget.h"
9#include "CharacterSearchWidget.h"
10#include <AK/StringUtils.h>
11#include <Applications/CharacterMap/CharacterMapWindowGML.h>
12#include <LibConfig/Client.h>
13#include <LibDesktop/Launcher.h>
14#include <LibGUI/Action.h>
15#include <LibGUI/Application.h>
16#include <LibGUI/Clipboard.h>
17#include <LibGUI/FontPicker.h>
18#include <LibGUI/Icon.h>
19#include <LibGUI/InputBox.h>
20#include <LibGUI/ItemListModel.h>
21#include <LibGUI/Label.h>
22#include <LibGUI/ListView.h>
23#include <LibGUI/Menu.h>
24#include <LibGUI/TextBox.h>
25#include <LibGUI/Toolbar.h>
26#include <LibUnicode/CharacterTypes.h>
27
28CharacterMapWidget::CharacterMapWidget()
29{
30 load_from_gml(character_map_window_gml).release_value_but_fixme_should_propagate_errors();
31
32 m_toolbar = find_descendant_of_type_named<GUI::Toolbar>("toolbar");
33 m_font_name_label = find_descendant_of_type_named<GUI::Label>("font_name");
34 m_glyph_map = find_descendant_of_type_named<GUI::GlyphMapWidget>("glyph_map");
35 m_output_box = find_descendant_of_type_named<GUI::TextBox>("output_box");
36 m_copy_output_button = find_descendant_of_type_named<GUI::Button>("copy_output_button");
37 m_statusbar = find_descendant_of_type_named<GUI::Statusbar>("statusbar");
38 m_unicode_block_listview = find_descendant_of_type_named<GUI::ListView>("unicode_block_listview");
39
40 m_choose_font_action = GUI::Action::create("Choose Font...", Gfx::Bitmap::load_from_file("/res/icons/16x16/app-font-editor.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
41 auto font_picker = GUI::FontPicker::construct(window(), &font(), false);
42 if (font_picker->exec() == GUI::Dialog::ExecResult::OK) {
43 auto& font = *font_picker->font();
44 Config::write_string("CharacterMap"sv, "History"sv, "Font"sv, font.qualified_name());
45 set_font(font);
46 }
47 });
48
49 m_copy_selection_action = GUI::CommonActions::make_copy_action([&](GUI::Action&) {
50 auto selection = m_glyph_map->selection();
51 StringBuilder builder;
52 for (auto code_point = selection.start(); code_point < selection.start() + selection.size(); ++code_point) {
53 if (!m_glyph_map->font().contains_glyph(code_point))
54 continue;
55 builder.append_code_point(code_point);
56 }
57 GUI::Clipboard::the().set_plain_text(builder.to_deprecated_string());
58 });
59 m_copy_selection_action->set_status_tip("Copy the highlighted characters to the clipboard");
60
61 m_previous_glyph_action = GUI::Action::create("Previous character", { Mod_Alt, Key_Left }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-back.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
62 m_glyph_map->select_previous_existing_glyph();
63 });
64 m_previous_glyph_action->set_status_tip("Seek the previous visible glyph");
65
66 m_next_glyph_action = GUI::Action::create("&Next Glyph", { Mod_Alt, Key_Right }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
67 m_glyph_map->select_next_existing_glyph();
68 });
69 m_next_glyph_action->set_status_tip("Seek the next visible glyph");
70
71 m_go_to_glyph_action = GUI::Action::create("Go to glyph...", { Mod_Ctrl, Key_G }, Gfx::Bitmap::load_from_file("/res/icons/16x16/go-to.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
72 DeprecatedString input;
73 if (GUI::InputBox::show(window(), input, "Hexadecimal:"sv, "Go to glyph"sv, GUI::InputType::NonemptyText) == GUI::InputBox::ExecResult::OK) {
74 auto maybe_code_point = AK::StringUtils::convert_to_uint_from_hex(input);
75 if (!maybe_code_point.has_value())
76 return;
77 auto code_point = maybe_code_point.value();
78 code_point = clamp(code_point, m_range.first, m_range.last);
79 m_glyph_map->set_focus(true);
80 m_glyph_map->set_active_glyph(code_point);
81 m_glyph_map->scroll_to_glyph(code_point);
82 }
83 });
84 m_go_to_glyph_action->set_status_tip("Go to the specified code point");
85
86 m_find_glyphs_action = GUI::Action::create("&Find glyphs...", { Mod_Ctrl, Key_F }, Gfx::Bitmap::load_from_file("/res/icons/16x16/find.png"sv).release_value_but_fixme_should_propagate_errors(), [&](auto&) {
87 if (m_find_window.is_null()) {
88 m_find_window = GUI::Window::construct(window());
89 auto search_widget = m_find_window->set_main_widget<CharacterSearchWidget>().release_value_but_fixme_should_propagate_errors();
90 search_widget->on_character_selected = [&](auto code_point) {
91 m_glyph_map->set_active_glyph(code_point);
92 m_glyph_map->scroll_to_glyph(code_point);
93 };
94 m_find_window->set_icon(GUI::Icon::try_create_default_icon("find"sv).value().bitmap_for_size(16));
95 m_find_window->set_title("Find a character");
96 m_find_window->resize(300, 400);
97 m_find_window->set_window_mode(GUI::WindowMode::Modeless);
98 }
99 m_find_window->show();
100 m_find_window->move_to_front();
101 m_find_window->find_descendant_of_type_named<GUI::TextBox>("search_input")->set_focus(true);
102 });
103
104 m_toolbar->add_action(*m_choose_font_action);
105 m_toolbar->add_separator();
106 m_toolbar->add_action(*m_copy_selection_action);
107 m_toolbar->add_separator();
108 m_toolbar->add_action(*m_previous_glyph_action);
109 m_toolbar->add_action(*m_next_glyph_action);
110 m_toolbar->add_action(*m_go_to_glyph_action);
111 m_toolbar->add_action(*m_find_glyphs_action);
112
113 m_glyph_map->on_active_glyph_changed = [&](int) {
114 update_statusbar();
115 };
116
117 m_glyph_map->on_glyph_double_clicked = [&](int code_point) {
118 StringBuilder builder;
119 builder.append(m_output_box->text());
120 builder.append_code_point(code_point);
121 m_output_box->set_text(builder.string_view());
122 };
123
124 m_copy_output_button->on_click = [&](auto) {
125 GUI::Clipboard::the().set_plain_text(m_output_box->text());
126 };
127
128 auto unicode_blocks = Unicode::block_display_names();
129 m_unicode_block_listview->on_selection_change = [this, unicode_blocks] {
130 auto index = m_unicode_block_listview->selection().first();
131 if (index.row() > 0)
132 m_range = unicode_blocks[index.row() - 1].code_point_range;
133 else
134 m_range = { 0x0000, 0x10FFFF };
135 m_glyph_map->set_active_range(m_range);
136 };
137
138 m_unicode_block_list.append("Show All");
139 for (auto& block : unicode_blocks)
140 m_unicode_block_list.append(block.display_name);
141
142 m_unicode_block_model = GUI::ItemListModel<DeprecatedString>::create(m_unicode_block_list);
143 m_unicode_block_listview->set_model(*m_unicode_block_model);
144 m_unicode_block_listview->set_activates_on_selection(true);
145 m_unicode_block_listview->horizontal_scrollbar().set_visible(false);
146 m_unicode_block_listview->set_cursor(m_unicode_block_model->index(0, 0), GUI::AbstractView::SelectionUpdate::Set);
147
148 did_change_font();
149 update_statusbar();
150}
151
152void CharacterMapWidget::initialize_menubar(GUI::Window& window)
153{
154 auto& file_menu = window.add_menu("&File");
155 file_menu.add_action(GUI::CommonActions::make_quit_action([](GUI::Action&) {
156 GUI::Application::the()->quit();
157 }));
158
159 auto& help_menu = window.add_menu("&Help");
160 help_menu.add_action(GUI::CommonActions::make_command_palette_action(&window));
161 help_menu.add_action(GUI::CommonActions::make_help_action([&](auto&) {
162 Desktop::Launcher::open(URL::create_with_file_scheme("/usr/share/man/man1/CharacterMap.md"), "/bin/Help");
163 }));
164 help_menu.add_action(GUI::CommonActions::make_about_action("Character Map", GUI::Icon::default_icon("app-character-map"sv), &window));
165}
166
167void CharacterMapWidget::did_change_font()
168{
169 // No need to track glyph modifications by cloning
170 m_glyph_map->GUI::AbstractScrollableWidget::set_font(font());
171 m_font_name_label->set_text(font().human_readable_name());
172 m_output_box->set_font(font());
173}
174
175void CharacterMapWidget::update_statusbar()
176{
177 auto code_point = m_glyph_map->active_glyph();
178 StringBuilder builder;
179 builder.appendff("U+{:04X}", code_point);
180 if (auto display_name = Unicode::code_point_display_name(code_point); display_name.has_value())
181 builder.appendff(" - {}", display_name.value());
182 m_statusbar->set_text(builder.to_deprecated_string());
183}