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https://github.com/RGBCube/serenity
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Applications: Move to Userland/Applications/
This commit is contained in:
Andreas Kling
parent
aa939c4b4b
commit
dc28c07fa5
287 changed files with 1 additions and 1 deletions
312
Userland/Applications/Help/main.cpp
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312
Userland/Applications/Help/main.cpp
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/*
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* Copyright (c) 2019-2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "History.h"
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#include "ManualModel.h"
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#include <AK/URL.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/File.h>
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#include <LibDesktop/Launcher.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/FilteringProxyModel.h>
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#include <LibGUI/ListView.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuBar.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/Splitter.h>
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#include <LibGUI/TabWidget.h>
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#include <LibGUI/TextBox.h>
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#include <LibGUI/ToolBar.h>
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#include <LibGUI/ToolBarContainer.h>
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#include <LibGUI/TreeView.h>
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#include <LibGUI/Window.h>
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#include <LibMarkdown/Document.h>
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#include <LibWeb/OutOfProcessWebView.h>
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#include <libgen.h>
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#include <stdio.h>
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#include <string.h>
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int main(int argc, char* argv[])
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{
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if (pledge("stdio shared_buffer accept rpath unix cpath fattr", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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auto app = GUI::Application::construct(argc, argv);
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if (pledge("stdio shared_buffer accept rpath unix", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/res", "r") < 0) {
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perror("unveil");
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return 1;
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}
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if (unveil("/usr/share/man", "r") < 0) {
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perror("unveil");
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return 1;
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}
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if (unveil("/tmp/portal/launch", "rw") < 0) {
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perror("unveil");
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return 1;
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}
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if (unveil("/tmp/portal/webcontent", "rw") < 0) {
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perror("unveil");
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return 1;
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}
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unveil(nullptr, nullptr);
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const char* start_page = nullptr;
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Core::ArgsParser args_parser;
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args_parser.add_positional_argument(start_page, "Page to open at launch", "page", Core::ArgsParser::Required::No);
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args_parser.parse(argc, argv);
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auto app_icon = GUI::Icon::default_icon("app-help");
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auto window = GUI::Window::construct();
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window->set_icon(app_icon.bitmap_for_size(16));
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window->set_title("Help");
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window->resize(570, 500);
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auto& widget = window->set_main_widget<GUI::Widget>();
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widget.set_layout<GUI::VerticalBoxLayout>();
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widget.set_fill_with_background_color(true);
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widget.layout()->set_spacing(2);
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auto& toolbar_container = widget.add<GUI::ToolBarContainer>();
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auto& toolbar = toolbar_container.add<GUI::ToolBar>();
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auto& splitter = widget.add<GUI::HorizontalSplitter>();
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auto model = ManualModel::create();
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auto& left_tab_bar = splitter.add<GUI::TabWidget>();
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auto& tree_view_container = left_tab_bar.add_tab<GUI::Widget>("Browse");
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tree_view_container.set_layout<GUI::VerticalBoxLayout>();
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tree_view_container.layout()->set_margins({ 4, 4, 4, 4 });
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auto& tree_view = tree_view_container.add<GUI::TreeView>();
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auto& search_view = left_tab_bar.add_tab<GUI::Widget>("Search");
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search_view.set_layout<GUI::VerticalBoxLayout>();
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search_view.layout()->set_margins({ 4, 4, 4, 4 });
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auto& search_box = search_view.add<GUI::TextBox>();
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auto& search_list_view = search_view.add<GUI::ListView>();
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search_box.set_fixed_height(20);
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search_box.set_placeholder("Search...");
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search_box.on_change = [&] {
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if (auto model = search_list_view.model()) {
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auto& search_model = *static_cast<GUI::FilteringProxyModel*>(model);
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search_model.set_filter_term(search_box.text());
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search_model.update();
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}
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};
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search_list_view.set_model(GUI::FilteringProxyModel::construct(model));
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search_list_view.model()->update();
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tree_view.set_model(model);
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left_tab_bar.set_fixed_width(200);
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auto& page_view = splitter.add<Web::OutOfProcessWebView>();
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History history;
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RefPtr<GUI::Action> go_back_action;
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RefPtr<GUI::Action> go_forward_action;
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auto update_actions = [&]() {
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go_back_action->set_enabled(history.can_go_back());
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go_forward_action->set_enabled(history.can_go_forward());
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};
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auto open_page = [&](const String& path) {
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if (path.is_null()) {
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window->set_title("Help");
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page_view.load_empty_document();
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return;
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}
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auto source_result = model->page_view(path);
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if (source_result.is_error()) {
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GUI::MessageBox::show(window, source_result.error().string(), "Failed to open man page", GUI::MessageBox::Type::Error);
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return;
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}
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auto source = source_result.value();
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String html;
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{
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auto md_document = Markdown::Document::parse(source);
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ASSERT(md_document);
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html = md_document->render_to_html();
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}
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auto url = URL::create_with_file_protocol(path);
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page_view.load_html(html, url);
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auto tree_view_index = model->index_from_path(path);
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if (tree_view_index.has_value())
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tree_view.expand_tree(tree_view_index.value().parent());
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String page_and_section = model->page_and_section(tree_view_index.value());
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window->set_title(String::formatted("{} - Help", page_and_section));
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};
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tree_view.on_selection_change = [&] {
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String path = model->page_path(tree_view.selection().first());
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history.push(path);
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update_actions();
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open_page(path);
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};
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tree_view.on_toggle = [&](const GUI::ModelIndex& index, const bool open) {
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model->update_section_node_on_toggle(index, open);
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};
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auto open_external = [&](auto& url) {
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if (!Desktop::Launcher::open(url)) {
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GUI::MessageBox::show(window,
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String::formatted("The link to '{}' could not be opened.", url),
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"Failed to open link",
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GUI::MessageBox::Type::Error);
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}
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};
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search_list_view.on_selection = [&](auto index) {
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if (!index.is_valid())
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return;
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if (auto model = search_list_view.model()) {
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auto& search_model = *static_cast<GUI::FilteringProxyModel*>(model);
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index = search_model.map(index);
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} else {
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page_view.load_empty_document();
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return;
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}
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String path = model->page_path(index);
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if (path.is_null()) {
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page_view.load_empty_document();
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return;
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}
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tree_view.selection().clear();
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tree_view.selection().add(index);
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history.push(path);
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update_actions();
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open_page(path);
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};
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page_view.on_link_click = [&](auto& url, auto&, unsigned) {
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if (url.protocol() != "file") {
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open_external(url);
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return;
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}
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auto path = Core::File::real_path_for(url.path());
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if (!path.starts_with("/usr/share/man/")) {
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open_external(url);
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return;
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}
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auto tree_view_index = model->index_from_path(path);
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if (tree_view_index.has_value()) {
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dbgln("Found path _{}_ in model at index {}", path, tree_view_index.value());
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tree_view.selection().set(tree_view_index.value());
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return;
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}
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history.push(path);
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update_actions();
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open_page(path);
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};
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go_back_action = GUI::CommonActions::make_go_back_action([&](auto&) {
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history.go_back();
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update_actions();
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open_page(history.current());
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});
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go_forward_action = GUI::CommonActions::make_go_forward_action([&](auto&) {
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history.go_forward();
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update_actions();
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open_page(history.current());
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});
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go_back_action->set_enabled(false);
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go_forward_action->set_enabled(false);
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auto go_home_action = GUI::CommonActions::make_go_home_action([&](auto&) {
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String path = "/usr/share/man/man7/Help-index.md";
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history.push(path);
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update_actions();
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open_page(path);
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});
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toolbar.add_action(*go_back_action);
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toolbar.add_action(*go_forward_action);
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toolbar.add_action(*go_home_action);
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auto menubar = GUI::MenuBar::construct();
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auto& app_menu = menubar->add_menu("Help");
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app_menu.add_action(GUI::CommonActions::make_about_action("Help", app_icon, window));
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app_menu.add_separator();
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app_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
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GUI::Application::the()->quit();
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}));
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auto& go_menu = menubar->add_menu("Go");
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go_menu.add_action(*go_back_action);
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go_menu.add_action(*go_forward_action);
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go_menu.add_action(*go_home_action);
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app->set_menubar(move(menubar));
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if (start_page) {
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URL url = URL::create_with_url_or_path(start_page);
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if (url.is_valid() && url.path().ends_with(".md")) {
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history.push(url.path());
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update_actions();
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open_page(url.path());
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} else {
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left_tab_bar.set_active_widget(&search_view);
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search_box.set_text(start_page);
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if (auto model = search_list_view.model()) {
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auto& search_model = *static_cast<GUI::FilteringProxyModel*>(model);
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search_model.set_filter_term(search_box.text());
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}
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}
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} else {
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go_home_action->activate();
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}
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window->set_focused_widget(&left_tab_bar);
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window->show();
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return app->exec();
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}
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