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Code Issues Projects Releases Packages Wiki Activity Actions 9

HackStudio: Detection of externally deleted files

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HackStudio can now detect that files that have been opened in it were
deleted. When this occurs, it will update the list of open files and
reasign a file to the editors that showed the deleted file before the
deletion. The new file is either another file that was opened or the
default editor is no other open file is available

Closes SerenityOS#6632
This commit is contained in:
Olivier De Cannière 2021-04-28 16:01:14 +02:00 • committed by Linus Groh
commit 56fc949646
Notes: sideshowbarker 2024-07-18 18:49:39 +09:00
2 changed files with 50 additions and 1 deletions
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46
Userland/DevTools/HackStudio/HackStudioWidget.cpp
View file

@ -33,6 +33,7 @@
#include <LibCore/Event.h>
#include <LibCore/EventLoop.h>
#include <LibCore/File.h>
#include <LibCore/FileWatcher.h>
#include <LibDebug/DebugSession.h>
#include <LibGUI/Action.h>
#include <LibGUI/ActionGroup.h>
@ -69,6 +70,7 @@
#include <fcntl.h>
#include <spawn.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
@ -231,6 +233,20 @@ bool HackStudioWidget::open_file(const String& full_filename)
new_project_file = m_project->get_file(filename);
m_open_files.set(filename, *new_project_file);
m_open_files_vector.append(filename);
auto watcher_or_error = Core::FileWatcher::watch(filename);
if (!watcher_or_error.is_error()) {
auto& watcher = watcher_or_error.value();
watcher->on_change = [this, filename]() {
struct stat st;
if (lstat(filename.characters(), &st) < 0) {
if (errno == ENOENT) {
handle_external_file_deletion(filename);
}
}
};
m_file_watchers.set(filename, watcher_or_error.release_value());
}
m_open_files_view->model()->update();
}
@ -1074,6 +1090,36 @@ void HackStudioWidget::initialize_menubar(GUI::Menubar& menubar)
create_help_menubar(menubar);
}
void HackStudioWidget::handle_external_file_deletion(const String& filepath)
{
m_open_files.remove(filepath);
m_open_files_vector.remove_all_matching(
[&filepath](const String& element) { return element == filepath; });
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 == filepath) {
if (m_open_files_vector.is_empty()) {
editor.set_document(CodeDocument::create());
editor_wrapper.filename_label().set_text(String { "Undefined" });
m_currently_open_file = "";
} 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.filename_label().set_text(first_path);
m_currently_open_file = first_path;
}
}
}
m_file_watchers.remove(filepath);
m_open_files_view->model()->update();
}
HackStudioWidget::~HackStudioWidget()
{
if (!m_debugger_thread.is_null()) {