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ladybird/Userland/DevTools/HackStudio/HackStudioWidget.cpp
Karol Kosek 6c5fb2ca63 HackStudio: Remove an old file from the vectors in 'Save as...' action 
If you saved a file under a different name and then went back to
the first file, then you had the same TextDocument buffer, and therefore
the same changes to the file as in the new one.
2021-09-12 22:10:48 +02:00

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
* Copyright (c) 2020-2021, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "HackStudioWidget.h"
#include "Debugger/DebugInfoWidget.h"
#include "Debugger/Debugger.h"
#include "Debugger/DisassemblyWidget.h"
#include "Dialogs/NewProjectDialog.h"
#include "Editor.h"
#include "EditorWrapper.h"
#include "FindInFilesWidget.h"
#include "Git/DiffViewer.h"
#include "Git/GitWidget.h"
#include "HackStudio.h"
#include "HackStudioWidget.h"
#include "Locator.h"
#include "Project.h"
#include "ProjectDeclarations.h"
#include "TerminalWrapper.h"
#include "ToDoEntries.h"
#include <AK/LexicalPath.h>
#include <AK/StringBuilder.h>
#include <Kernel/API/InodeWatcherEvent.h>
#include <LibCore/ArgsParser.h>
#include <LibCore/Event.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
#include <LibCore/FileWatcher.h>
#include <LibDebug/DebugSession.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/Action.h>
#include <LibGUI/ActionGroup.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Button.h>
#include <LibGUI/Dialog.h>
#include <LibGUI/EditingEngine.h>
#include <LibGUI/FilePicker.h>
#include <LibGUI/InputBox.h>
#include <LibGUI/ItemListModel.h>
#include <LibGUI/Label.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/RegularEditingEngine.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/StackWidget.h>
#include <LibGUI/Statusbar.h>
#include <LibGUI/TabWidget.h>
#include <LibGUI/TableView.h>
#include <LibGUI/TextBox.h>
#include <LibGUI/TextEditor.h>
#include <LibGUI/Toolbar.h>
#include <LibGUI/ToolbarContainer.h>
#include <LibGUI/TreeView.h>
#include <LibGUI/VimEditingEngine.h>
#include <LibGUI/Widget.h>
#include <LibGUI/Window.h>
#include <LibGfx/FontDatabase.h>
#include <LibGfx/Palette.h>
#include <LibThreading/Mutex.h>
#include <LibThreading/Thread.h>
#include <LibVT/TerminalWidget.h>
#include <fcntl.h>
#include <spawn.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
namespace HackStudio {
HackStudioWidget::HackStudioWidget(const String& path_to_project)
{
set_fill_with_background_color(true);
set_layout<GUI::VerticalBoxLayout>();
layout()->set_spacing(2);
open_project(path_to_project);
auto& toolbar_container = add<GUI::ToolbarContainer>();
auto& outer_splitter = add<GUI::HorizontalSplitter>();
outer_splitter.layout()->set_spacing(5);
auto& left_hand_splitter = outer_splitter.add<GUI::VerticalSplitter>();
left_hand_splitter.layout()->set_spacing(5);
left_hand_splitter.set_fixed_width(150);
create_project_tab(left_hand_splitter);
m_project_tree_view_context_menu = create_project_tree_view_context_menu();
create_open_files_view(left_hand_splitter);
m_right_hand_splitter = outer_splitter.add<GUI::VerticalSplitter>();
m_right_hand_stack = m_right_hand_splitter->add<GUI::StackWidget>();
// Put a placeholder widget front & center since we don't have a file open yet.
m_right_hand_stack->add<GUI::Widget>();
m_diff_viewer = m_right_hand_stack->add<DiffViewer>();
m_editors_splitter = m_right_hand_stack->add<GUI::VerticalSplitter>();
m_editors_splitter->layout()->set_spacing(5);
m_editors_splitter->layout()->set_margins({ 3, 0, 0 });
add_new_editor(*m_editors_splitter);
m_switch_to_next_editor = create_switch_to_next_editor_action();
m_switch_to_previous_editor = create_switch_to_previous_editor_action();
m_remove_current_editor_action = create_remove_current_editor_action();
m_open_action = create_open_action();
m_save_action = create_save_action();
m_save_as_action = create_save_as_action();
m_new_project_action = create_new_project_action();
create_action_tab(*m_right_hand_splitter);
m_add_editor_action = create_add_editor_action();
m_add_terminal_action = create_add_terminal_action();
m_remove_current_terminal_action = create_remove_current_terminal_action();
m_locator = add<Locator>();
m_terminal_wrapper->on_command_exit = [this] {
m_stop_action->set_enabled(false);
};
m_build_action = create_build_action();
m_run_action = create_run_action();
m_stop_action = create_stop_action();
m_debug_action = create_debug_action();
initialize_debugger();
create_toolbar(toolbar_container);
m_statusbar = add<GUI::Statusbar>(3);
auto maybe_watcher = Core::FileWatcher::create();
if (maybe_watcher.is_error()) {
warnln("Couldn't create a file watcher, deleted files won't be noticed! Error: {}", maybe_watcher.error());
} else {
m_file_watcher = maybe_watcher.release_value();
m_file_watcher->on_change = [this](Core::FileWatcherEvent const& event) {
if (event.type != Core::FileWatcherEvent::Type::Deleted)
return;
if (event.event_path.starts_with(project().root_path())) {
String relative_path = LexicalPath::relative_path(event.event_path, project().root_path());
handle_external_file_deletion(relative_path);
} else {
handle_external_file_deletion(event.event_path);
}
};
}
}
void HackStudioWidget::update_actions()
{
auto is_remove_terminal_enabled = [this]() {
auto widget = m_action_tab_widget->active_widget();
if (!widget)
return false;
if ("TerminalWrapper"sv != widget->class_name())
return false;
if (!reinterpret_cast<TerminalWrapper*>(widget)->user_spawned())
return false;
return true;
};
m_remove_current_editor_action->set_enabled(m_all_editor_wrappers.size() > 1);
m_remove_current_terminal_action->set_enabled(is_remove_terminal_enabled());
}
void HackStudioWidget::on_action_tab_change()
{
update_actions();
if (auto* active_widget = m_action_tab_widget->active_widget()) {
if (is<GitWidget>(*active_widget))
static_cast<GitWidget&>(*active_widget).refresh();
}
}
void HackStudioWidget::open_project(const String& root_path)
{
if (warn_unsaved_changes("There are unsaved changes, do you want to save before closing current project?") == ContinueDecision::No)
return;
if (chdir(root_path.characters()) < 0) {
perror("chdir");
exit(1);
}
if (m_project) {
close_current_project();
}
m_project = Project::open_with_root_path(root_path);
VERIFY(m_project);
if (m_project_tree_view) {
m_project_tree_view->set_model(m_project->model());
m_project_tree_view->update();
}
if (m_git_widget) {
m_git_widget->change_repo(LexicalPath(root_path));
m_git_widget->refresh();
}
if (Debugger::is_initialized()) {
auto& debugger = Debugger::the();
debugger.reset_breakpoints();
debugger.set_source_root(m_project->root_path());
}
for (auto& editor_wrapper : m_all_editor_wrappers)
editor_wrapper.set_project_root(LexicalPath(m_project->root_path()));
m_locations_history.clear();
m_locations_history_end_index = 0;
}
Vector<String> HackStudioWidget::selected_file_paths() const
{
Vector<String> files;
m_project_tree_view->selection().for_each_index([&](const GUI::ModelIndex& index) {
String sub_path = index.data().as_string();
GUI::ModelIndex parent_or_invalid = index.parent();
while (parent_or_invalid.is_valid()) {
sub_path = String::formatted("{}/{}", parent_or_invalid.data().as_string(), sub_path);
parent_or_invalid = parent_or_invalid.parent();
}
files.append(sub_path);
});
return files;
}
bool HackStudioWidget::open_file(const String& full_filename, size_t line, size_t column)
{
String filename = full_filename;
if (full_filename.starts_with(project().root_path())) {
filename = LexicalPath::relative_path(full_filename, project().root_path());
}
if (Core::File::is_directory(filename) || !Core::File::exists(filename))
return false;
if (!active_file().is_empty()) {
// Since the file is previously open, it should always be in m_open_files.
VERIFY(m_open_files.find(active_file()) != m_open_files.end());
auto previous_open_project_file = m_open_files.get(active_file()).value();
// Update the scrollbar values of the previous_open_project_file and save them to m_open_files.
previous_open_project_file->vertical_scroll_value(current_editor().vertical_scrollbar().value());
previous_open_project_file->horizontal_scroll_value(current_editor().horizontal_scrollbar().value());
}
RefPtr<ProjectFile> new_project_file = nullptr;
if (auto it = m_open_files.find(filename); it != m_open_files.end()) {
new_project_file = it->value;
} else {
new_project_file = m_project->create_file(filename);
m_open_files.set(filename, *new_project_file);
m_open_files_vector.append(filename);
if (!m_file_watcher.is_null()) {
auto watch_result = m_file_watcher->add_watch(filename, Core::FileWatcherEvent::Type::Deleted);
if (watch_result.is_error()) {
warnln("Couldn't watch '{}'", filename);
}
}
m_open_files_view->model()->invalidate();
}
current_editor().on_cursor_change = nullptr; // Disable callback while we're swapping the document.
current_editor().set_document(const_cast<GUI::TextDocument&>(new_project_file->document()));
if (new_project_file->could_render_text()) {
current_editor_wrapper().set_mode_displayable();
} else {
current_editor_wrapper().set_mode_non_displayable();
}
current_editor().horizontal_scrollbar().set_value(new_project_file->horizontal_scroll_value());
current_editor().vertical_scrollbar().set_value(new_project_file->vertical_scroll_value());
current_editor().set_editing_engine(make<GUI::RegularEditingEngine>());
set_edit_mode(EditMode::Text);
String relative_file_path = filename;
if (filename.starts_with(m_project->root_path()))
relative_file_path = filename.substring(m_project->root_path().length() + 1);
m_project_tree_view->update();
current_editor_wrapper().set_filename(filename);
current_editor().set_focus(true);
current_editor().on_cursor_change = [this] { on_cursor_change(); };
current_editor_wrapper().on_change = [this] { update_gml_preview(); };
current_editor().set_cursor(line, column);
update_gml_preview();
return true;
}
void HackStudioWidget::close_file_in_all_editors(String const& filename)
{
m_open_files.remove(filename);
m_open_files_vector.remove_all_matching(
[&filename](String const& element) { return element == filename; });
for (auto& editor_wrapper : m_all_editor_wrappers) {
Editor& editor = editor_wrapper.editor();
String editor_file_path = editor.code_document().file_path();
String relative_editor_file_path = LexicalPath::relative_path(editor_file_path, project().root_path());
if (relative_editor_file_path == filename) {
if (m_open_files_vector.is_empty()) {
editor.set_document(CodeDocument::create());
editor_wrapper.set_filename("");
} else {
auto& first_path = m_open_files_vector[0];
auto& document = m_open_files.get(first_path).value()->code_document();
editor.set_document(document);
editor_wrapper.set_filename(first_path);
}
}
}
m_open_files_view->model()->invalidate();
}
EditorWrapper& HackStudioWidget::current_editor_wrapper()
{
VERIFY(m_current_editor_wrapper);
return *m_current_editor_wrapper;
}
EditorWrapper const& HackStudioWidget::current_editor_wrapper() const
{
VERIFY(m_current_editor_wrapper);
return *m_current_editor_wrapper;
}
GUI::TextEditor& HackStudioWidget::current_editor()
{
return current_editor_wrapper().editor();
}
GUI::TextEditor const& HackStudioWidget::current_editor() const
{
return current_editor_wrapper().editor();
}
void HackStudioWidget::set_edit_mode(EditMode mode)
{
if (mode == EditMode::Text) {
m_right_hand_stack->set_active_widget(m_editors_splitter);
} else if (mode == EditMode::Diff) {
m_right_hand_stack->set_active_widget(m_diff_viewer);
} else {
VERIFY_NOT_REACHED();
}
m_right_hand_stack->active_widget()->update();
}
NonnullRefPtr<GUI::Menu> HackStudioWidget::create_project_tree_view_context_menu()
{
m_new_file_actions.append(create_new_file_action("C++ Source File", "/res/icons/16x16/filetype-cplusplus.png", "cpp"));
m_new_file_actions.append(create_new_file_action("C++ Header File", "/res/icons/16x16/filetype-header.png", "h"));
// FIXME: Create a file icon for GML files
m_new_file_actions.append(create_new_file_action("GML File", "/res/icons/16x16/new.png", "gml"));
m_new_file_actions.append(create_new_file_action("JavaScript Source File", "/res/icons/16x16/filetype-javascript.png", "js"));
m_new_file_actions.append(create_new_file_action("HTML File", "/res/icons/16x16/filetype-html.png", "html"));
// FIXME: Create a file icon for CSS files
m_new_file_actions.append(create_new_file_action("CSS File", "/res/icons/16x16/new.png", "css"));
m_new_plain_file_action = create_new_file_action("Plain File", "/res/icons/16x16/new.png", "");
m_open_selected_action = create_open_selected_action();
m_show_in_file_manager_action = create_show_in_file_manager_action();
m_new_directory_action = create_new_directory_action();
m_delete_action = create_delete_action();
auto project_tree_view_context_menu = GUI::Menu::construct("Project Files");
auto& new_file_submenu = project_tree_view_context_menu->add_submenu("New");
for (auto& new_file_action : m_new_file_actions) {
new_file_submenu.add_action(new_file_action);
}
new_file_submenu.add_action(*m_new_plain_file_action);
new_file_submenu.add_separator();
new_file_submenu.add_action(*m_new_directory_action);
project_tree_view_context_menu->add_action(*m_open_selected_action);
project_tree_view_context_menu->add_action(*m_show_in_file_manager_action);
// TODO: Rename, cut, copy, duplicate with new name...
project_tree_view_context_menu->add_separator();
project_tree_view_context_menu->add_action(*m_delete_action);
return project_tree_view_context_menu;
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_new_file_action(String const& label, String const& icon, String const& extension)
{
return GUI::Action::create(label, Gfx::Bitmap::try_load_from_file(icon), [this, extension](const GUI::Action&) {
String filename;
if (GUI::InputBox::show(window(), filename, "Enter name of new file:", "Add new file to project") != GUI::InputBox::ExecOK)
return;
if (!extension.is_empty() && !filename.ends_with(String::formatted(".{}", extension))) {
filename = String::formatted("{}.{}", filename, extension);
}
auto path_to_selected = selected_file_paths();
String filepath;
if (!path_to_selected.is_empty()) {
VERIFY(Core::File::exists(path_to_selected.first()));
LexicalPath selected(path_to_selected.first());
String dir_path;
if (Core::File::is_directory(selected.string()))
dir_path = selected.string();
else
dir_path = selected.dirname();
filepath = String::formatted("{}/", dir_path);
}
filepath = String::formatted("{}{}", filepath, filename);
auto file = Core::File::construct(filepath);
if (!file->open((Core::OpenMode)(Core::OpenMode::WriteOnly | Core::OpenMode::MustBeNew))) {
GUI::MessageBox::show(window(), String::formatted("Failed to create '{}'", filepath), "Error", GUI::MessageBox::Type::Error);
return;
}
open_file(filepath);
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_new_directory_action()
{
return GUI::Action::create("&New Directory...", { Mod_Ctrl | Mod_Shift, Key_N }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/mkdir.png"), [this](const GUI::Action&) {
String directory_name;
if (GUI::InputBox::show(window(), directory_name, "Enter name of new directory:", "Add new folder to project") != GUI::InputBox::ExecOK)
return;
auto path_to_selected = selected_file_paths();
if (!path_to_selected.is_empty()) {
LexicalPath selected(path_to_selected.first());
String dir_path;
if (Core::File::is_directory(selected.string()))
dir_path = selected.string();
else
dir_path = selected.dirname();
directory_name = String::formatted("{}/{}", dir_path, directory_name);
}
auto formatted_dir_name = LexicalPath::canonicalized_path(String::formatted("{}/{}", m_project->model().root_path(), directory_name));
int rc = mkdir(formatted_dir_name.characters(), 0755);
if (rc < 0) {
GUI::MessageBox::show(window(), "Failed to create new directory", "Error", GUI::MessageBox::Type::Error);
return;
}
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_open_selected_action()
{
auto open_selected_action = GUI::Action::create("Open", [this](const GUI::Action&) {
auto files = selected_file_paths();
for (auto& file : files)
open_file(file);
});
open_selected_action->set_enabled(true);
return open_selected_action;
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_show_in_file_manager_action()
{
auto show_in_file_manager_action = GUI::Action::create("Show in File Manager", [this](const GUI::Action&) {
auto files = selected_file_paths();
for (auto& file : files)
Desktop::Launcher::open(URL::create_with_file_protocol(m_project->root_path(), file));
});
show_in_file_manager_action->set_enabled(true);
show_in_file_manager_action->set_icon(GUI::Icon::default_icon("app-file-manager").bitmap_for_size(16));
return show_in_file_manager_action;
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_delete_action()
{
auto delete_action = GUI::CommonActions::make_delete_action([this](const GUI::Action&) {
auto files = selected_file_paths();
if (files.is_empty())
return;
String message;
if (files.size() == 1) {
LexicalPath file(files[0]);
message = String::formatted("Really remove {} from disk?", file.basename());
} else {
message = String::formatted("Really remove {} files from disk?", files.size());
}
auto result = GUI::MessageBox::show(window(),
message,
"Confirm deletion",
GUI::MessageBox::Type::Warning,
GUI::MessageBox::InputType::OKCancel);
if (result == GUI::MessageBox::ExecCancel)
return;
for (auto& file : files) {
struct stat st;
if (lstat(file.characters(), &st) < 0) {
GUI::MessageBox::show(window(),
String::formatted("lstat ({}) failed: {}", file, strerror(errno)),
"Removal failed",
GUI::MessageBox::Type::Error);
break;
}
bool is_directory = S_ISDIR(st.st_mode);
auto result = Core::File::remove(file, Core::File::RecursionMode::Allowed, false);
if (result.is_error()) {
auto& error = result.error();
if (is_directory) {
GUI::MessageBox::show(window(),
String::formatted("Removing directory {} from the project failed: {}", error.file, error.error_code),
"Removal failed",
GUI::MessageBox::Type::Error);
} else {
GUI::MessageBox::show(window(),
String::formatted("Removing file {} from the project failed: {}", error.file, error.error_code),
"Removal failed",
GUI::MessageBox::Type::Error);
}
}
}
});
delete_action->set_enabled(false);
return delete_action;
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_new_project_action()
{
return GUI::Action::create("&New Project...", { Mod_Ctrl | Mod_Shift, Key_N }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/hackstudio-project.png"), [this](const GUI::Action&) {
auto dialog = NewProjectDialog::construct(window());
dialog->set_icon(window()->icon());
auto result = dialog->exec();
if (result == GUI::Dialog::ExecResult::ExecOK && dialog->created_project_path().has_value())
open_project(dialog->created_project_path().value());
});
}
void HackStudioWidget::add_new_editor(GUI::Widget& parent)
{
auto wrapper = EditorWrapper::construct();
if (m_action_tab_widget) {
parent.insert_child_before(wrapper, *m_action_tab_widget);
} else {
parent.add_child(wrapper);
}
m_current_editor_wrapper = wrapper;
m_all_editor_wrappers.append(wrapper);
wrapper->editor().set_focus(true);
wrapper->set_project_root(LexicalPath(m_project->root_path()));
wrapper->editor().on_cursor_change = [this] { on_cursor_change(); };
wrapper->on_change = [this] { update_gml_preview(); };
set_edit_mode(EditMode::Text);
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_switch_to_next_editor_action()
{
return GUI::Action::create("Switch to &Next Editor", { Mod_Ctrl, Key_E }, [this](auto&) {
if (m_all_editor_wrappers.size() <= 1)
return;
Vector<EditorWrapper&> wrappers;
m_editors_splitter->for_each_child_of_type<EditorWrapper>([&wrappers](auto& child) {
wrappers.append(child);
return IterationDecision::Continue;
});
for (size_t i = 0; i < wrappers.size(); ++i) {
if (m_current_editor_wrapper.ptr() == &wrappers[i]) {
if (i == wrappers.size() - 1)
wrappers[0].editor().set_focus(true);
else
wrappers[i + 1].editor().set_focus(true);
}
}
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_switch_to_previous_editor_action()
{
return GUI::Action::create("Switch to &Previous Editor", { Mod_Ctrl | Mod_Shift, Key_E }, [this](auto&) {
if (m_all_editor_wrappers.size() <= 1)
return;
Vector<EditorWrapper&> wrappers;
m_editors_splitter->for_each_child_of_type<EditorWrapper>([&wrappers](auto& child) {
wrappers.append(child);
return IterationDecision::Continue;
});
for (int i = wrappers.size() - 1; i >= 0; --i) {
if (m_current_editor_wrapper.ptr() == &wrappers[i]) {
if (i == 0)
wrappers.last().editor().set_focus(true);
else
wrappers[i - 1].editor().set_focus(true);
}
}
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_remove_current_editor_action()
{
return GUI::Action::create("&Remove Current Editor", { Mod_Alt | Mod_Shift, Key_E }, [this](auto&) {
if (m_all_editor_wrappers.size() <= 1)
return;
auto wrapper = m_current_editor_wrapper;
m_switch_to_next_editor->activate();
m_editors_splitter->remove_child(*wrapper);
auto child_editors = m_editors_splitter->child_widgets();
bool has_child_to_fill_space = false;
for (auto& editor : child_editors) {
if (editor.max_height() == -1) {
has_child_to_fill_space = true;
break;
}
}
if (!has_child_to_fill_space)
child_editors.last().set_max_height(-1);
m_all_editor_wrappers.remove_first_matching([&wrapper](auto& entry) { return entry == wrapper.ptr(); });
update_actions();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_open_action()
{
return GUI::Action::create("&Open Project...", { Mod_Ctrl | Mod_Shift, Key_O }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/open.png"), [this](auto&) {
auto open_path = GUI::FilePicker::get_open_filepath(window(), "Open project", m_project->root_path(), true);
if (!open_path.has_value())
return;
open_project(open_path.value());
update_actions();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_save_action()
{
return GUI::CommonActions::make_save_action([&](auto&) {
if (active_file().is_empty())
m_save_as_action->activate();
current_editor_wrapper().save();
if (m_git_widget->initialized())
m_git_widget->refresh();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_save_as_action()
{
return GUI::CommonActions::make_save_as_action([&](auto&) {
auto const old_filename = current_editor_wrapper().filename();
LexicalPath const old_path(old_filename);
Optional<String> save_path = GUI::FilePicker::get_save_filepath(window(),
old_filename.is_null() ? "Untitled" : old_path.title(),
old_filename.is_null() ? "txt" : old_path.extension(),
Core::File::absolute_path(old_path.dirname()));
if (!save_path.has_value()) {
return;
}
String const relative_file_path = LexicalPath::relative_path(save_path.value(), m_project->root_path());
if (current_editor_wrapper().filename().is_null()) {
current_editor_wrapper().set_filename(relative_file_path);
} else {
for (auto& editor_wrapper : m_all_editor_wrappers) {
if (editor_wrapper.filename() == old_filename)
editor_wrapper.set_filename(relative_file_path);
}
}
current_editor_wrapper().save();
auto new_project_file = m_project->create_file(relative_file_path);
m_open_files.set(relative_file_path, *new_project_file);
m_open_files.remove(old_filename);
m_open_files_vector.append(relative_file_path);
m_open_files_vector.remove_all_matching([&old_filename](auto const& element) { return element == old_filename; });
update_window_title();
m_project->model().invalidate();
update_tree_view();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_remove_current_terminal_action()
{
return GUI::Action::create("Remove &Current Terminal", { Mod_Alt | Mod_Shift, Key_T }, [this](auto&) {
auto widget = m_action_tab_widget->active_widget();
if (!widget)
return;
if (!is<TerminalWrapper>(widget))
return;
auto& terminal = *static_cast<TerminalWrapper*>(widget);
if (!terminal.user_spawned())
return;
m_action_tab_widget->remove_tab(terminal);
update_actions();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_add_editor_action()
{
return GUI::Action::create("Add New &Editor", { Mod_Ctrl | Mod_Alt, Key_E },
Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-text-editor.png"),
[this](auto&) {
add_new_editor(*m_editors_splitter);
update_actions();
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_add_terminal_action()
{
return GUI::Action::create("Add New &Terminal", { Mod_Ctrl | Mod_Alt, Key_T },
Gfx::Bitmap::try_load_from_file("/res/icons/16x16/app-terminal.png"),
[this](auto&) {
auto& terminal_wrapper = m_action_tab_widget->add_tab<TerminalWrapper>("Terminal");
reveal_action_tab(terminal_wrapper);
update_actions();
terminal_wrapper.terminal().set_focus(true);
});
}
void HackStudioWidget::reveal_action_tab(GUI::Widget& widget)
{
if (m_action_tab_widget->min_height() < 200)
m_action_tab_widget->set_fixed_height(200);
m_action_tab_widget->set_active_widget(&widget);
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_debug_action()
{
return GUI::Action::create("&Debug", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/debug-run.png"), [this](auto&) {
if (!Core::File::exists(get_project_executable_path())) {
GUI::MessageBox::show(window(), String::formatted("Could not find file: {}. (did you build the project?)", get_project_executable_path()), "Error", GUI::MessageBox::Type::Error);
return;
}
if (Debugger::the().session()) {
GUI::MessageBox::show(window(), "Debugger is already running", "Error", GUI::MessageBox::Type::Error);
return;
}
Debugger::the().set_executable_path(get_project_executable_path());
m_debugger_thread = Threading::Thread::construct(Debugger::start_static);
m_debugger_thread->start();
m_stop_action->set_enabled(true);
m_run_action->set_enabled(false);
for (auto& editor_wrapper : m_all_editor_wrappers) {
editor_wrapper.set_debug_mode(true);
}
});
}
void HackStudioWidget::initialize_debugger()
{
Debugger::initialize(
m_project->root_path(),
[this](const PtraceRegisters& regs) {
VERIFY(Debugger::the().session());
const auto& debug_session = *Debugger::the().session();
auto source_position = debug_session.get_source_position(regs.ip());
if (!source_position.has_value()) {
dbgln("Could not find source position for address: {:p}", regs.ip());
return Debugger::HasControlPassedToUser::No;
}
dbgln("Debugger stopped at source position: {}:{}", source_position.value().file_path, source_position.value().line_number);
deferred_invoke([this, source_position, &regs] {
m_current_editor_in_execution = get_editor_of_file(source_position.value().file_path);
if (m_current_editor_in_execution)
m_current_editor_in_execution->editor().set_execution_position(source_position.value().line_number - 1);
m_debug_info_widget->update_state(*Debugger::the().session(), regs);
m_debug_info_widget->set_debug_actions_enabled(true);
m_disassembly_widget->update_state(*Debugger::the().session(), regs);
HackStudioWidget::reveal_action_tab(*m_debug_info_widget);
});
Core::EventLoop::wake();
return Debugger::HasControlPassedToUser::Yes;
},
[this]() {
deferred_invoke([this] {
m_debug_info_widget->set_debug_actions_enabled(false);
if (m_current_editor_in_execution)
m_current_editor_in_execution->editor().clear_execution_position();
});
Core::EventLoop::wake();
},
[this]() {
deferred_invoke([this] {
m_debug_info_widget->set_debug_actions_enabled(false);
if (m_current_editor_in_execution)
m_current_editor_in_execution->editor().clear_execution_position();
m_debug_info_widget->program_stopped();
m_disassembly_widget->program_stopped();
m_stop_action->set_enabled(false);
m_run_action->set_enabled(true);
m_debugger_thread.clear();
for (auto& editor_wrapper : m_all_editor_wrappers) {
editor_wrapper.set_debug_mode(false);
}
HackStudioWidget::hide_action_tabs();
GUI::MessageBox::show(window(), "Program Exited", "Debugger", GUI::MessageBox::Type::Information);
});
Core::EventLoop::wake();
});
}
String HackStudioWidget::get_full_path_of_serenity_source(const String& file)
{
auto path_parts = LexicalPath(file).parts();
VERIFY(path_parts[0] == "..");
path_parts.remove(0);
StringBuilder relative_path_builder;
relative_path_builder.join("/", path_parts);
constexpr char SERENITY_LIBS_PREFIX[] = "/usr/src/serenity";
LexicalPath serenity_sources_base(SERENITY_LIBS_PREFIX);
return String::formatted("{}/{}", serenity_sources_base, relative_path_builder.to_string());
}
RefPtr<EditorWrapper> HackStudioWidget::get_editor_of_file(const String& filename)
{
String file_path = filename;
// TODO: We can probably do a more specific condition here, something like
// "if (file.starts_with("../Libraries/") || file.starts_with("../AK/"))"
if (filename.starts_with("../")) {
file_path = get_full_path_of_serenity_source(filename);
}
if (!open_file(file_path))
return nullptr;
return current_editor_wrapper();
}
String HackStudioWidget::get_project_executable_path() const
{
// FIXME: Dumb heuristic ahead!
// e.g /my/project => /my/project/project
// TODO: Perhaps a Makefile rule for getting the value of $(PROGRAM) would be better?
return String::formatted("{}/{}", m_project->root_path(), LexicalPath::basename(m_project->root_path()));
}
void HackStudioWidget::build(TerminalWrapper& wrapper)
{
if (active_file().ends_with(".js"))
wrapper.run_command(String::formatted("js -A {}", active_file()));
else
wrapper.run_command("make");
}
void HackStudioWidget::run(TerminalWrapper& wrapper)
{
if (active_file().ends_with(".js"))
wrapper.run_command(String::formatted("js {}", active_file()));
else
wrapper.run_command("make run");
}
void HackStudioWidget::hide_action_tabs()
{
m_action_tab_widget->set_fixed_height(24);
};
Project& HackStudioWidget::project()
{
return *m_project;
}
void HackStudioWidget::set_current_editor_wrapper(RefPtr<EditorWrapper> editor_wrapper)
{
m_current_editor_wrapper = editor_wrapper;
update_window_title();
update_tree_view();
}
void HackStudioWidget::configure_project_tree_view()
{
m_project_tree_view->set_model(m_project->model());
m_project_tree_view->set_selection_mode(GUI::AbstractView::SelectionMode::MultiSelection);
for (int column_index = 0; column_index < m_project->model().column_count(); ++column_index)
m_project_tree_view->set_column_visible(column_index, false);
m_project_tree_view->set_column_visible(GUI::FileSystemModel::Column::Name, true);
m_project_tree_view->on_context_menu_request = [this](const GUI::ModelIndex& index, const GUI::ContextMenuEvent& event) {
if (index.is_valid()) {
m_project_tree_view_context_menu->popup(event.screen_position(), m_open_selected_action);
}
};
m_project_tree_view->on_selection_change = [this] {
m_open_selected_action->set_enabled(!m_project_tree_view->selection().is_empty());
auto selections = m_project_tree_view->selection().indices();
auto it = selections.find_if([&](auto selected_file) {
return access(m_project->model().full_path(selected_file.parent()).characters(), W_OK) == 0;
});
bool has_permissions = it != selections.end();
m_delete_action->set_enabled(!m_project_tree_view->selection().is_empty() && has_permissions);
};
m_project_tree_view->on_activation = [this](auto& index) {
auto full_path_to_file = m_project->model().full_path(index);
open_file(full_path_to_file);
};
}
void HackStudioWidget::create_open_files_view(GUI::Widget& parent)
{
m_open_files_view = parent.add<GUI::ListView>();
auto open_files_model = GUI::ItemListModel<String>::create(m_open_files_vector);
m_open_files_view->set_model(open_files_model);
m_open_files_view->on_activation = [this](auto& index) {
open_file(index.data().to_string());
};
}
void HackStudioWidget::create_toolbar(GUI::Widget& parent)
{
auto& toolbar = parent.add<GUI::Toolbar>();
toolbar.add_action(*m_new_plain_file_action);
toolbar.add_action(*m_new_directory_action);
toolbar.add_action(*m_save_action);
toolbar.add_action(*m_delete_action);
toolbar.add_separator();
toolbar.add_action(GUI::CommonActions::make_cut_action([this](auto&) { current_editor().cut_action().activate(); }));
toolbar.add_action(GUI::CommonActions::make_copy_action([this](auto&) { current_editor().copy_action().activate(); }));
toolbar.add_action(GUI::CommonActions::make_paste_action([this](auto&) { current_editor().paste_action().activate(); }));
toolbar.add_separator();
toolbar.add_action(GUI::CommonActions::make_undo_action([this](auto&) { current_editor().undo_action().activate(); }));
toolbar.add_action(GUI::CommonActions::make_redo_action([this](auto&) { current_editor().redo_action().activate(); }));
toolbar.add_separator();
toolbar.add_action(*m_build_action);
toolbar.add_separator();
toolbar.add_action(*m_run_action);
toolbar.add_action(*m_stop_action);
toolbar.add_separator();
toolbar.add_action(*m_debug_action);
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_build_action()
{
return GUI::Action::create("&Build", { Mod_Ctrl, Key_B }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/build.png"), [this](auto&) {
if (warn_unsaved_changes("There are unsaved changes, do you want to save before building?") == ContinueDecision::No)
return;
reveal_action_tab(*m_terminal_wrapper);
build(*m_terminal_wrapper);
m_stop_action->set_enabled(true);
});
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_run_action()
{
return GUI::Action::create("&Run", { Mod_Ctrl, Key_R }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/program-run.png"), [this](auto&) {
reveal_action_tab(*m_terminal_wrapper);
run(*m_terminal_wrapper);
m_stop_action->set_enabled(true);
});
}
void HackStudioWidget::create_action_tab(GUI::Widget& parent)
{
m_action_tab_widget = parent.add<GUI::TabWidget>();
m_action_tab_widget->set_fixed_height(24);
m_action_tab_widget->on_change = [this](auto&) {
on_action_tab_change();
static bool first_time = true;
if (!first_time)
m_action_tab_widget->set_fixed_height(200);
first_time = false;
};
m_find_in_files_widget = m_action_tab_widget->add_tab<FindInFilesWidget>("Find in files");
m_todo_entries_widget = m_action_tab_widget->add_tab<ToDoEntriesWidget>("TODO");
m_terminal_wrapper = m_action_tab_widget->add_tab<TerminalWrapper>("Build", false);
m_debug_info_widget = m_action_tab_widget->add_tab<DebugInfoWidget>("Debug");
m_disassembly_widget = m_action_tab_widget->add_tab<DisassemblyWidget>("Disassembly");
m_git_widget = m_action_tab_widget->add_tab<GitWidget>("Git", LexicalPath(m_project->root_path()));
m_git_widget->set_view_diff_callback([this](const auto& original_content, const auto& diff) {
m_diff_viewer->set_content(original_content, diff);
set_edit_mode(EditMode::Diff);
});
m_gml_preview_widget = m_action_tab_widget->add_tab<GMLPreviewWidget>("GML Preview", "");
ToDoEntries::the().on_update = [this]() {
m_todo_entries_widget->refresh();
};
}
void HackStudioWidget::create_project_tab(GUI::Widget& parent)
{
m_project_tab = parent.add<GUI::TabWidget>();
m_project_tab->set_tab_position(GUI::TabWidget::TabPosition::Bottom);
auto& tree_view_container = m_project_tab->add_tab<GUI::Widget>("Files");
tree_view_container.set_layout<GUI::VerticalBoxLayout>();
tree_view_container.layout()->set_margins(2);
m_project_tree_view = tree_view_container.add<GUI::TreeView>();
configure_project_tree_view();
auto& class_view_container = m_project_tab->add_tab<GUI::Widget>("Classes");
class_view_container.set_layout<GUI::VerticalBoxLayout>();
class_view_container.layout()->set_margins(2);
m_class_view = class_view_container.add<ClassViewWidget>();
ProjectDeclarations::the().on_update = [this]() {
m_class_view->refresh();
};
}
void HackStudioWidget::create_file_menu(GUI::Window& window)
{
auto& file_menu = window.add_menu("&File");
file_menu.add_action(*m_new_project_action);
file_menu.add_action(*m_open_action);
file_menu.add_action(*m_save_action);
file_menu.add_action(*m_save_as_action);
file_menu.add_separator();
file_menu.add_action(GUI::CommonActions::make_quit_action([](auto&) {
GUI::Application::the()->quit();
}));
}
void HackStudioWidget::create_project_menu(GUI::Window& window)
{
auto& project_menu = window.add_menu("&Project");
auto& new_submenu = project_menu.add_submenu("New");
for (auto& new_file_action : m_new_file_actions) {
new_submenu.add_action(new_file_action);
}
new_submenu.add_action(*m_new_plain_file_action);
new_submenu.add_separator();
new_submenu.add_action(*m_new_directory_action);
}
void HackStudioWidget::create_edit_menu(GUI::Window& window)
{
auto& edit_menu = window.add_menu("&Edit");
edit_menu.add_action(GUI::Action::create("&Find in Files...", { Mod_Ctrl | Mod_Shift, Key_F }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/find.png"), [this](auto&) {
reveal_action_tab(*m_find_in_files_widget);
m_find_in_files_widget->focus_textbox_and_select_all();
}));
edit_menu.add_separator();
auto vim_emulation_setting_action = GUI::Action::create_checkable("&Vim Emulation", { Mod_Ctrl | Mod_Shift | Mod_Alt, Key_V }, [this](auto& action) {
if (action.is_checked())
current_editor().set_editing_engine(make<GUI::VimEditingEngine>());
else
current_editor().set_editing_engine(make<GUI::RegularEditingEngine>());
});
vim_emulation_setting_action->set_checked(false);
edit_menu.add_action(vim_emulation_setting_action);
}
void HackStudioWidget::create_build_menu(GUI::Window& window)
{
auto& build_menu = window.add_menu("&Build");
build_menu.add_action(*m_build_action);
build_menu.add_separator();
build_menu.add_action(*m_run_action);
build_menu.add_action(*m_stop_action);
build_menu.add_separator();
build_menu.add_action(*m_debug_action);
}
void HackStudioWidget::create_view_menu(GUI::Window& window)
{
auto hide_action_tabs_action = GUI::Action::create("&Hide Action Tabs", { Mod_Ctrl | Mod_Shift, Key_X }, [this](auto&) {
hide_action_tabs();
});
auto open_locator_action = GUI::Action::create("Open &Locator", { Mod_Ctrl, Key_K }, [this](auto&) {
m_locator->open();
});
auto& view_menu = window.add_menu("&View");
view_menu.add_action(hide_action_tabs_action);
view_menu.add_action(open_locator_action);
view_menu.add_separator();
m_wrapping_mode_actions.set_exclusive(true);
auto& wrapping_mode_menu = view_menu.add_submenu("&Wrapping Mode");
m_no_wrapping_action = GUI::Action::create_checkable("&No Wrapping", [&](auto&) {
for (auto& wrapper : m_all_editor_wrappers)
wrapper.editor().set_wrapping_mode(GUI::TextEditor::WrappingMode::NoWrap);
});
m_wrap_anywhere_action = GUI::Action::create_checkable("Wrap &Anywhere", [&](auto&) {
for (auto& wrapper : m_all_editor_wrappers)
wrapper.editor().set_wrapping_mode(GUI::TextEditor::WrappingMode::WrapAnywhere);
});
m_wrap_at_words_action = GUI::Action::create_checkable("Wrap at &Words", [&](auto&) {
for (auto& wrapper : m_all_editor_wrappers)
wrapper.editor().set_wrapping_mode(GUI::TextEditor::WrappingMode::WrapAtWords);
});
m_wrapping_mode_actions.add_action(*m_no_wrapping_action);
m_wrapping_mode_actions.add_action(*m_wrap_anywhere_action);
m_wrapping_mode_actions.add_action(*m_wrap_at_words_action);
wrapping_mode_menu.add_action(*m_no_wrapping_action);
wrapping_mode_menu.add_action(*m_wrap_anywhere_action);
wrapping_mode_menu.add_action(*m_wrap_at_words_action);
m_no_wrapping_action->set_checked(true);
view_menu.add_separator();
view_menu.add_action(*m_add_editor_action);
view_menu.add_action(*m_remove_current_editor_action);
view_menu.add_action(*m_add_terminal_action);
view_menu.add_action(*m_remove_current_terminal_action);
view_menu.add_separator();
create_location_history_actions();
view_menu.add_action(*m_locations_history_back_action);
view_menu.add_action(*m_locations_history_forward_action);
}
void HackStudioWidget::create_help_menu(GUI::Window& window)
{
auto& help_menu = window.add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Hack Studio", GUI::Icon::default_icon("app-hack-studio"), &window));
}
NonnullRefPtr<GUI::Action> HackStudioWidget::create_stop_action()
{
auto action = GUI::Action::create("&Stop", Gfx::Bitmap::try_load_from_file("/res/icons/16x16/program-stop.png"), [this](auto&) {
if (!Debugger::the().session()) {
m_terminal_wrapper->kill_running_command();
return;
}
Debugger::the().stop();
});
action->set_enabled(false);
return action;
}
void HackStudioWidget::initialize_menubar(GUI::Window& window)
{
create_file_menu(window);
create_project_menu(window);
create_edit_menu(window);
create_build_menu(window);
create_view_menu(window);
create_help_menu(window);
}
void HackStudioWidget::update_statusbar()
{
m_statusbar->set_text(0, String::formatted("Ln {}, Col {}", current_editor().cursor().line() + 1, current_editor().cursor().column()));
StringBuilder builder;
if (current_editor().has_selection()) {
String selected_text = current_editor().selected_text();
auto word_count = current_editor().number_of_selected_words();
builder.appendff("Selected: {} {} ({} {})", selected_text.length(), selected_text.length() == 1 ? "character" : "characters", word_count, word_count != 1 ? "words" : "word");
}
m_statusbar->set_text(1, builder.to_string());
m_statusbar->set_text(2, current_editor_wrapper().editor().code_document().language_name());
}
void HackStudioWidget::handle_external_file_deletion(const String& filepath)
{
close_file_in_all_editors(filepath);
}
void HackStudioWidget::stop_debugger_if_running()
{
if (!m_debugger_thread.is_null()) {
Debugger::the().stop();
dbgln("Waiting for debugger thread to terminate");
auto rc = m_debugger_thread->join();
if (rc.is_error()) {
warnln("pthread_join: {}", strerror(rc.error().value()));
dbgln("error joining debugger thread");
}
}
}
void HackStudioWidget::close_current_project()
{
m_editors_splitter->remove_all_children();
m_all_editor_wrappers.clear();
m_open_files.clear();
m_open_files_vector.clear();
add_new_editor(*m_editors_splitter);
m_find_in_files_widget->reset();
m_todo_entries_widget->clear();
m_terminal_wrapper->clear_including_history();
stop_debugger_if_running();
update_gml_preview();
}
HackStudioWidget::~HackStudioWidget()
{
stop_debugger_if_running();
}
HackStudioWidget::ContinueDecision HackStudioWidget::warn_unsaved_changes(const String& prompt)
{
if (!any_document_is_dirty())
return ContinueDecision::Yes;
auto result = GUI::MessageBox::show(window(), prompt, "Unsaved changes", GUI::MessageBox::Type::Warning, GUI::MessageBox::InputType::YesNoCancel);
if (result == GUI::MessageBox::ExecCancel)
return ContinueDecision::No;
if (result == GUI::MessageBox::ExecYes) {
for (auto& editor_wrapper : m_all_editor_wrappers) {
if (editor_wrapper.editor().document().is_modified()) {
editor_wrapper.save();
}
}
}
return ContinueDecision::Yes;
}
bool HackStudioWidget::any_document_is_dirty() const
{
return any_of(m_all_editor_wrappers, [](auto& editor_wrapper) {
return editor_wrapper.editor().document().is_modified();
});
}
void HackStudioWidget::update_gml_preview()
{
auto gml_content = current_editor_wrapper().filename().ends_with(".gml") ? current_editor_wrapper().editor().text() : "";
m_gml_preview_widget->load_gml(gml_content);
}
void HackStudioWidget::update_tree_view()
{
auto index = m_project->model().index(m_current_editor_wrapper->filename(), GUI::FileSystemModel::Column::Name);
if (index.is_valid()) {
m_project_tree_view->expand_all_parents_of(index);
m_project_tree_view->set_cursor(index, GUI::AbstractView::SelectionUpdate::Set);
}
}
void HackStudioWidget::update_window_title()
{
window()->set_title(String::formatted("{} - {} - Hack Studio", m_current_editor_wrapper->filename_label().text(), m_project->name()));
}
void HackStudioWidget::on_cursor_change()
{
update_statusbar();
if (current_editor_wrapper().filename().is_null())
return;
auto current_location = current_project_location();
if (m_locations_history_end_index != 0) {
auto last = m_locations_history[m_locations_history_end_index - 1];
if (current_location.filename == last.filename && current_location.line == last.line)
return;
}
// Clear "Go Forward" locations
VERIFY(m_locations_history_end_index <= m_locations_history.size());
m_locations_history.remove(m_locations_history_end_index, m_locations_history.size() - m_locations_history_end_index);
m_locations_history.append(current_location);
constexpr size_t max_locations = 30;
if (m_locations_history.size() > max_locations)
m_locations_history.take_first();
m_locations_history_end_index = m_locations_history.size();
update_history_actions();
}
void HackStudioWidget::create_location_history_actions()
{
m_locations_history_back_action = GUI::Action::create("Go Back", { Mod_Alt | Mod_Shift, Key_Left }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-back.png"), [this](auto&) {
if (m_locations_history_end_index <= 1)
return;
auto location = m_locations_history[m_locations_history_end_index - 2];
--m_locations_history_end_index;
m_locations_history_disabled = true;
open_file(location.filename, location.line, location.column);
m_locations_history_disabled = false;
update_history_actions();
});
m_locations_history_forward_action = GUI::Action::create("Go Forward", { Mod_Alt | Mod_Shift, Key_Right }, Gfx::Bitmap::try_load_from_file("/res/icons/16x16/go-forward.png"), [this](auto&) {
if (m_locations_history_end_index == m_locations_history.size())
return;
auto location = m_locations_history[m_locations_history_end_index];
++m_locations_history_end_index;
m_locations_history_disabled = true;
open_file(location.filename, location.line, location.column);
m_locations_history_disabled = false;
update_history_actions();
});
m_locations_history_forward_action->set_enabled(false);
}
HackStudioWidget::ProjectLocation HackStudioWidget::current_project_location() const
{
return ProjectLocation { current_editor_wrapper().filename(), current_editor().cursor().line(), current_editor().cursor().column() };
}
void HackStudioWidget::update_history_actions()
{
if (m_locations_history_end_index <= 1)
m_locations_history_back_action->set_enabled(false);
else
m_locations_history_back_action->set_enabled(true);
if (m_locations_history_end_index == m_locations_history.size())
m_locations_history_forward_action->set_enabled(false);
else
m_locations_history_forward_action->set_enabled(true);
}
}
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