mirror of
https://github.com/SerenityOS/serenity
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288 lines
8.5 KiB
C++
288 lines
8.5 KiB
C++
/*
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* Copyright (c) 2020, Hüseyin Aslıtürk <asliturk@hotmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "KeyboardMapperWidget.h"
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#include "KeyPositions.h"
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#include <LibCore/File.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/InputBox.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/RadioButton.h>
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#include <LibKeyboard/CharacterMap.h>
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#include <LibKeyboard/CharacterMapFile.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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KeyboardMapperWidget::KeyboardMapperWidget()
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{
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create_frame();
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}
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KeyboardMapperWidget::~KeyboardMapperWidget()
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{
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}
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void KeyboardMapperWidget::create_frame()
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{
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set_fill_with_background_color(true);
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set_layout<GUI::VerticalBoxLayout>();
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layout()->set_margins({ 4, 4, 4, 4 });
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auto& main_widget = add<GUI::Widget>();
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main_widget.set_relative_rect(0, 0, 200, 200);
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m_keys.resize(KEY_COUNT);
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for (unsigned i = 0; i < KEY_COUNT; i++) {
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Gfx::IntRect rect = { keys[i].x, keys[i].y, keys[i].width, keys[i].height };
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auto& tmp_button = main_widget.add<KeyButton>();
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tmp_button.set_relative_rect(rect);
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tmp_button.set_text(keys[i].name);
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tmp_button.set_enabled(keys[i].enabled);
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tmp_button.on_click = [this, &tmp_button]() {
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String value;
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if (GUI::InputBox::show(window(), value, "New Character:", "Select Character") == GUI::InputBox::ExecOK) {
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int i = m_keys.find_first_index(&tmp_button).value_or(0);
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VERIFY(i > 0);
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auto index = keys[i].map_index;
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VERIFY(index > 0);
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tmp_button.set_text(value);
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u32* map;
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if (m_current_map_name == "map") {
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map = m_character_map.map;
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} else if (m_current_map_name == "shift_map") {
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map = m_character_map.shift_map;
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} else if (m_current_map_name == "alt_map") {
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map = m_character_map.alt_map;
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} else if (m_current_map_name == "altgr_map") {
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map = m_character_map.altgr_map;
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} else if (m_current_map_name == "shift_altgr_map") {
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map = m_character_map.shift_altgr_map;
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} else {
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VERIFY_NOT_REACHED();
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}
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if (value.length() == 0)
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map[index] = '\0'; // Empty string
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else
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map[index] = value[0];
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m_modified = true;
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update_window_title();
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}
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};
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m_keys.insert(i, &tmp_button);
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}
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// Action Buttons
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auto& bottom_widget = add<GUI::Widget>();
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bottom_widget.set_layout<GUI::HorizontalBoxLayout>();
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bottom_widget.set_fixed_height(40);
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// Map Selection
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m_map_group = bottom_widget.add<GUI::Widget>();
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m_map_group->set_layout<GUI::HorizontalBoxLayout>();
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m_map_group->set_fixed_width(450);
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auto& radio_map = m_map_group->add<GUI::RadioButton>("Default");
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radio_map.set_name("map");
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radio_map.on_checked = [&](bool) {
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set_current_map("map");
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};
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auto& radio_shift = m_map_group->add<GUI::RadioButton>("Shift");
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radio_shift.set_name("shift_map");
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radio_shift.on_checked = [this](bool) {
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set_current_map("shift_map");
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};
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auto& radio_altgr = m_map_group->add<GUI::RadioButton>("AltGr");
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radio_altgr.set_name("altgr_map");
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radio_altgr.on_checked = [this](bool) {
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set_current_map("altgr_map");
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};
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auto& radio_alt = m_map_group->add<GUI::RadioButton>("Alt");
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radio_alt.set_name("alt_map");
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radio_alt.on_checked = [this](bool) {
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set_current_map("alt_map");
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};
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auto& radio_shift_altgr = m_map_group->add<GUI::RadioButton>("Shift+AltGr");
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radio_shift_altgr.set_name("shift_altgr_map");
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radio_shift_altgr.on_checked = [this](bool) {
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set_current_map("shift_altgr_map");
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};
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bottom_widget.layout()->add_spacer();
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}
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void KeyboardMapperWidget::load_from_file(String filename)
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{
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auto result = Keyboard::CharacterMapFile::load_from_file(filename);
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if (!result.has_value()) {
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auto error_message = String::formatted("Failed to load character map from file {}", filename);
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GUI::MessageBox::show(window(), error_message, "Error", GUI::MessageBox::Type::Error);
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return;
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}
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m_filename = filename;
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m_character_map = result.value();
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set_current_map("map");
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for (auto& widget : m_map_group->child_widgets()) {
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auto& radio_button = static_cast<GUI::RadioButton&>(widget);
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radio_button.set_checked(radio_button.name() == "map");
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}
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update_window_title();
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}
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void KeyboardMapperWidget::load_from_system()
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{
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auto result = Keyboard::CharacterMap::fetch_system_map();
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VERIFY(!result.is_error());
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m_filename = String::formatted("/res/keymaps/{}.json", result.value().character_map_name());
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m_character_map = result.value().character_map_data();
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set_current_map("map");
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for (auto& widget : m_map_group->child_widgets()) {
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auto& radio_button = static_cast<GUI::RadioButton&>(widget);
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radio_button.set_checked(radio_button.name() == "map");
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}
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update_window_title();
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}
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void KeyboardMapperWidget::save()
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{
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save_to_file(m_filename);
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}
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void KeyboardMapperWidget::save_to_file(const StringView& filename)
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{
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JsonObject map_json;
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auto add_array = [&](String name, u32* values) {
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JsonArray items;
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for (int i = 0; i < 90; i++) {
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StringBuilder sb;
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if (values[i])
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sb.append_code_point(values[i]);
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JsonValue val(sb.to_string());
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items.append(move(val));
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}
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map_json.set(name, move(items));
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};
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add_array("map", m_character_map.map);
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add_array("shift_map", m_character_map.shift_map);
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add_array("alt_map", m_character_map.alt_map);
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add_array("altgr_map", m_character_map.altgr_map);
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add_array("shift_altgr_map", m_character_map.shift_altgr_map);
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// Write to file.
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String file_content = map_json.to_string();
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auto file = Core::File::construct(filename);
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file->open(Core::OpenMode::WriteOnly);
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if (!file->is_open()) {
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StringBuilder sb;
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sb.append("Failed to open ");
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sb.append(filename);
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sb.append(" for write. Error: ");
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sb.append(file->error_string());
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GUI::MessageBox::show(window(), sb.to_string(), "Error", GUI::MessageBox::Type::Error);
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return;
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}
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bool result = file->write(file_content);
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if (!result) {
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int error_number = errno;
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StringBuilder sb;
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sb.append("Unable to save file. Error: ");
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sb.append(strerror(error_number));
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GUI::MessageBox::show(window(), sb.to_string(), "Error", GUI::MessageBox::Type::Error);
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return;
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}
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m_modified = false;
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m_filename = filename;
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update_window_title();
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}
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void KeyboardMapperWidget::keydown_event(GUI::KeyEvent& event)
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{
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for (int i = 0; i < KEY_COUNT; i++) {
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auto& tmp_button = m_keys.at(i);
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tmp_button->set_pressed(keys[i].scancode == event.scancode());
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tmp_button->update();
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}
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}
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void KeyboardMapperWidget::keyup_event(GUI::KeyEvent& event)
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{
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for (int i = 0; i < KEY_COUNT; i++) {
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if (keys[i].scancode == event.scancode()) {
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auto& tmp_button = m_keys.at(i);
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tmp_button->set_pressed(false);
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tmp_button->update();
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break;
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}
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}
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}
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void KeyboardMapperWidget::set_current_map(const String current_map)
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{
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m_current_map_name = current_map;
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u32* map;
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if (m_current_map_name == "map") {
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map = m_character_map.map;
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} else if (m_current_map_name == "shift_map") {
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map = m_character_map.shift_map;
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} else if (m_current_map_name == "alt_map") {
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map = m_character_map.alt_map;
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} else if (m_current_map_name == "altgr_map") {
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map = m_character_map.altgr_map;
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} else if (m_current_map_name == "shift_altgr_map") {
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map = m_character_map.shift_altgr_map;
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} else {
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VERIFY_NOT_REACHED();
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}
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for (unsigned k = 0; k < KEY_COUNT; k++) {
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auto index = keys[k].map_index;
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if (index == 0)
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continue;
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StringBuilder sb;
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sb.append_code_point(map[index]);
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m_keys.at(k)->set_text(sb.to_string());
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}
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this->update();
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}
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void KeyboardMapperWidget::update_window_title()
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{
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StringBuilder sb;
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sb.append(m_filename);
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if (m_modified)
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sb.append(" (*)");
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sb.append(" - Keyboard Mapper");
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window()->set_title(sb.to_string());
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}
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