LibGUI: Support editing filenames through FileSystemModel :^)

2 files changed, 23 insertions, 0 deletions

diff --git a/Libraries/LibGUI/FileSystemModel.cpp b/Libraries/LibGUI/FileSystemModel.cpp
index 10df60a4ef..f4ed772bd6 100644
--- a/Libraries/LibGUI/FileSystemModel.cpp
+++ b/Libraries/LibGUI/FileSystemModel.cpp
@@ -39,6 +39,7 @@
 #include <grp.h>
 #include <pwd.h>
 #include <stdio.h>
+#include <string.h>
 #include <sys/stat.h>
 #include <unistd.h>
 
@@ -606,4 +607,24 @@ void FileSystemModel::set_should_show_dotfiles(bool show)
     update();
 }
 
+bool FileSystemModel::is_editable(const ModelIndex& index) const
+{
+    if (!index.is_valid())
+        return false;
+    return index.column() == Column::Name;
+}
+
+void FileSystemModel::set_data(const ModelIndex& index, const Variant& data)
+{
+    ASSERT(is_editable(index));
+    Node& node = const_cast<Node&>(this->node(index));
+    auto dirname = LexicalPath(node.full_path()).dirname();
+    auto new_full_path = String::formatted("{}/{}", dirname, data.to_string());
+    int rc = rename(node.full_path().characters(), new_full_path.characters());
+    if (rc < 0) {
+        if (on_error)
+            on_error(errno, strerror(errno));
+    }
+}
+
 }
diff --git a/Libraries/LibGUI/FileSystemModel.h b/Libraries/LibGUI/FileSystemModel.h
index 693c41d7d2..2009db5873 100644
--- a/Libraries/LibGUI/FileSystemModel.h
+++ b/Libraries/LibGUI/FileSystemModel.h
@@ -149,6 +149,8 @@ public:
     virtual StringView drag_data_type() const override { return "text/uri-list"; }
     virtual bool accepts_drag(const ModelIndex&, const StringView& data_type) override;
     virtual bool is_column_sortable(int column_index) const override { return column_index != Column::Icon; }
+    virtual bool is_editable(const ModelIndex&) const override;
+    virtual void set_data(const ModelIndex&, const Variant&) override;
 
     static String timestamp_string(time_t timestamp)
     {