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GDirectoryModel: Automagically update on filesystem changes.

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Use the new watch_file() mechanism to monitor the currently open directory
for changes and refresh the model when notified. This makes FileManager
automagically show newly added files. :^)
This commit is contained in:
Andreas Kling 2019-07-22 20:08:25 +02:00
parent c8e2bb5605
commit 1511cac715
Notes: sideshowbarker 2024-07-19 13:05:25 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/1511cac715c
2 changed files with 14 additions and 0 deletions
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11
Libraries/LibGUI/GDirectoryModel.cpp
View file

@ -308,7 +308,18 @@ void GDirectoryModel::open(const StringView& a_path)
if (!dirp)
return;
closedir(dirp);
if (m_notifier)
close(m_notifier->fd());
m_path = path;
int watch_fd = watch_file(path.characters(), path.length());
if (watch_fd < 0) {
perror("watch_file");
ASSERT_NOT_REACHED();
}
m_notifier = make<CNotifier>(watch_fd, CNotifier::Event::Read);
m_notifier->on_ready_to_read = [this] {
update();
};
update();
set_selected_index(index(0, 0));
}

3
Libraries/LibGUI/GDirectoryModel.h
View file

@ -1,6 +1,7 @@
#pragma once
#include <AK/HashMap.h>
#include <LibCore/CNotifier.h>
#include <LibGUI/GModel.h>
#include <sys/stat.h>
@ -77,4 +78,6 @@ private:
HashMap<uid_t, String> m_user_names;
HashMap<gid_t, String> m_group_names;
OwnPtr<CNotifier> m_notifier;
};