Userland: Port Model::column_name() to String

2025-10-31 15:32:46 +00:00 · 2023-05-14 19:02:08 +02:00 · 2023-05-14 19:02:08 +02:00 · 945f05ed76
commit 945f05ed76
parent 741f07dedf
70 changed files with 218 additions and 222 deletions
--- a/Userland/Applets/ClipboardHistory/ClipboardHistoryModel.cpp
+++ b/Userland/Applets/ClipboardHistory/ClipboardHistoryModel.cpp
@ -23,17 +23,17 @@ ClipboardHistoryModel::ClipboardHistoryModel()
 {
 }

-DeprecatedString ClipboardHistoryModel::column_name(int column) const
+String ClipboardHistoryModel::column_name(int column) const
 {
    switch (column) {
    case Column::Data:
-        return "Data";
+        return "Data"_short_string;
    case Column::Type:
-        return "Type";
+        return "Type"_short_string;
    case Column::Size:
-        return "Size";
+        return "Size"_short_string;
    case Column::Time:
-        return "Time";
+        return "Time"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applets/ClipboardHistory/ClipboardHistoryModel.h
+++ b/Userland/Applets/ClipboardHistory/ClipboardHistoryModel.h
@ -60,7 +60,7 @@ private:

    // ^GUI::Model
    virtual int row_count(const GUI::ModelIndex&) const override { return m_history_items.size(); }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual int column_count(const GUI::ModelIndex&) const override { return Column::__Count; }

    // ^GUI::Clipboard::ClipboardClient
--- a/Userland/Applications/Browser/CookiesModel.cpp
+++ b/Userland/Applications/Browser/CookiesModel.cpp
@ -34,21 +34,21 @@ int CookiesModel::row_count(GUI::ModelIndex const& index) const
    return 0;
 }

-DeprecatedString CookiesModel::column_name(int column) const
+String CookiesModel::column_name(int column) const
 {
    switch (column) {
    case Column::Domain:
-        return "Domain";
+        return "Domain"_short_string;
    case Column::Path:
-        return "Path";
+        return "Path"_short_string;
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    case Column::Value:
-        return "Value";
+        return "Value"_short_string;
    case Column::ExpiryTime:
-        return "Expiry time";
+        return "Expiry time"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SameSite:
-        return "SameSite";
+        return "SameSite"_string.release_value_but_fixme_should_propagate_errors();
    case Column::__Count:
        return {};
    }
--- a/Userland/Applications/Browser/CookiesModel.h
+++ b/Userland/Applications/Browser/CookiesModel.h
@ -30,7 +30,7 @@ public:
    void clear_items();
    virtual int row_count(GUI::ModelIndex const&) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int column) const override;
+    virtual String column_name(int column) const override;
    virtual GUI::ModelIndex index(int row, int column = 0, GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role = GUI::ModelRole::Display) const override;
    virtual TriState data_matches(GUI::ModelIndex const& index, GUI::Variant const& term) const override;
--- a/Userland/Applications/Browser/History/HistoryModel.cpp
+++ b/Userland/Applications/Browser/History/HistoryModel.cpp
@ -34,13 +34,13 @@ int HistoryModel::row_count(GUI::ModelIndex const& index) const
    return 0;
 }

-DeprecatedString HistoryModel::column_name(int column) const
+String HistoryModel::column_name(int column) const
 {
    switch (column) {
    case Column::Title:
-        return "Title";
+        return "Title"_short_string;
    case Column::URL:
-        return "URL";
+        return "URL"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/Browser/History/HistoryModel.h
+++ b/Userland/Applications/Browser/History/HistoryModel.h
@ -25,7 +25,7 @@ public:
    void clear_items();
    virtual int row_count(GUI::ModelIndex const&) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int column) const override;
+    virtual String column_name(int column) const override;
    virtual GUI::ModelIndex index(int row, int column = 0, GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role = GUI::ModelRole::Display) const override;
    virtual TriState data_matches(GUI::ModelIndex const& index, GUI::Variant const& term) const override;
--- a/Userland/Applications/Browser/StorageModel.cpp
+++ b/Userland/Applications/Browser/StorageModel.cpp
@ -35,13 +35,13 @@ int StorageModel::row_count(GUI::ModelIndex const& index) const
    return 0;
 }

-DeprecatedString StorageModel::column_name(int column) const
+String StorageModel::column_name(int column) const
 {
    switch (column) {
    case Column::Key:
-        return "Key";
+        return "Key"_short_string;
    case Column::Value:
-        return "Value";
+        return "Value"_short_string;
    case Column::__Count:
        return {};
    }
--- a/Userland/Applications/Browser/StorageModel.h
+++ b/Userland/Applications/Browser/StorageModel.h
@ -22,7 +22,7 @@ public:
    void clear_items();
    virtual int row_count(GUI::ModelIndex const&) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int column) const override;
+    virtual String column_name(int column) const override;
    virtual GUI::ModelIndex index(int row, int column = 0, GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual GUI::Variant data(GUI::ModelIndex const& index, GUI::ModelRole role = GUI::ModelRole::Display) const override;
    virtual TriState data_matches(GUI::ModelIndex const& index, GUI::Variant const& term) const override;
--- a/Userland/Applications/Calendar/AddEventDialog.cpp
+++ b/Userland/Applications/Calendar/AddEventDialog.cpp
@ -120,21 +120,21 @@ int AddEventDialog::MeridiemListModel::row_count(const GUI::ModelIndex&) const
    return 2;
 }

-DeprecatedString AddEventDialog::MonthListModel::column_name(int column) const
+String AddEventDialog::MonthListModel::column_name(int column) const
 {
    switch (column) {
    case Column::Month:
-        return "Month";
+        return "Month"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
 }

-DeprecatedString AddEventDialog::MeridiemListModel::column_name(int column) const
+String AddEventDialog::MeridiemListModel::column_name(int column) const
 {
    switch (column) {
    case Column::Meridiem:
-        return "Meridiem";
+        return "Meridiem"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/Calendar/AddEventDialog.h
+++ b/Userland/Applications/Calendar/AddEventDialog.h
@ -38,7 +38,7 @@ private:

        virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
        virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }
-        virtual DeprecatedString column_name(int) const override;
+        virtual String column_name(int) const override;
        virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

    private:
@ -57,7 +57,7 @@ private:

        virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
        virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }
-        virtual DeprecatedString column_name(int) const override;
+        virtual String column_name(int) const override;
        virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

    private:
--- a/Userland/Applications/CertificateSettings/CertificateStoreWidget.cpp
+++ b/Userland/Applications/CertificateSettings/CertificateStoreWidget.cpp
@ -34,15 +34,15 @@ ErrorOr<void> CertificateStoreModel::load()
    return {};
 }

-DeprecatedString CertificateStoreModel::column_name(int column) const
+String CertificateStoreModel::column_name(int column) const
 {
    switch (column) {
    case Column::IssuedTo:
-        return "Issued To";
+        return "Issued To"_string.release_value_but_fixme_should_propagate_errors();
    case Column::IssuedBy:
-        return "Issued By";
+        return "Issued By"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Expire:
-        return "Expiration Date";
+        return "Expiration Date"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/CertificateSettings/CertificateStoreWidget.h
+++ b/Userland/Applications/CertificateSettings/CertificateStoreWidget.h
@ -44,7 +44,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return m_certificates.size(); }
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual ErrorOr<void> load();
    virtual ErrorOr<size_t> add(Vector<Certificate> const&);
--- a/Userland/Applications/HexEditor/SearchResultsModel.h
+++ b/Userland/Applications/HexEditor/SearchResultsModel.h
@ -40,13 +40,13 @@ public:
        return 2;
    }

-    DeprecatedString column_name(int column) const override
+    String column_name(int column) const override
    {
        switch (column) {
        case Column::Offset:
-            return "Offset";
+            return "Offset"_short_string;
        case Column::Value:
-            return "Value";
+            return "Value"_short_string;
        }
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/HexEditor/ValueInspectorModel.h
+++ b/Userland/Applications/HexEditor/ValueInspectorModel.h
@ -63,13 +63,13 @@ public:
        return 2;
    }

-    DeprecatedString column_name(int column) const override
+    String column_name(int column) const override
    {
        switch (column) {
        case Column::Type:
-            return "Type";
+            return "Type"_short_string;
        case Column::Value:
-            return m_is_little_endian ? "Value (Little Endian)" : "Value (Big Endian)";
+            return m_is_little_endian ? "Value (Little Endian)"_string.release_value_but_fixme_should_propagate_errors() : "Value (Big Endian)"_string.release_value_but_fixme_should_propagate_errors();
        }
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/Mail/InboxModel.cpp
+++ b/Userland/Applications/Mail/InboxModel.cpp
@ -17,13 +17,13 @@ int InboxModel::row_count(GUI::ModelIndex const&) const
    return m_entries.size();
 }

-DeprecatedString InboxModel::column_name(int column_index) const
+String InboxModel::column_name(int column_index) const
 {
    switch (column_index) {
    case Column::From:
-        return "From";
+        return "From"_short_string;
    case Subject:
-        return "Subject";
+        return "Subject"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/Mail/InboxModel.h
+++ b/Userland/Applications/Mail/InboxModel.h
@ -32,7 +32,7 @@ public:

    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

 private:
--- a/Userland/Applications/MouseSettings/ThemeWidget.cpp
+++ b/Userland/Applications/MouseSettings/ThemeWidget.cpp
@ -15,13 +15,13 @@
 #include <LibGUI/SortingProxyModel.h>
 #include <LibGUI/TableView.h>

-DeprecatedString MouseCursorModel::column_name(int column_index) const
+String MouseCursorModel::column_name(int column_index) const
 {
    switch (column_index) {
    case Column::Bitmap:
        return {};
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    }
    VERIFY_NOT_REACHED();
 }
--- a/Userland/Applications/MouseSettings/ThemeWidget.h
+++ b/Userland/Applications/MouseSettings/ThemeWidget.h
@ -25,7 +25,7 @@ public:
    virtual int row_count(const GUI::ModelIndex&) const override { return m_cursors.size(); }
    virtual int column_count(const GUI::ModelIndex&) const override { return Column::__Count; }

-    virtual DeprecatedString column_name(int column_index) const override;
+    virtual String column_name(int column_index) const override;
    virtual GUI::Variant data(const GUI::ModelIndex& index, GUI::ModelRole role) const override;
    virtual void invalidate() override;

--- a/Userland/Applications/PDFViewer/PDFViewerWidget.cpp
+++ b/Userland/Applications/PDFViewer/PDFViewerWidget.cpp
@ -64,13 +64,13 @@ public:
        return Columns::Page;
    }

-    DeprecatedString column_name(int index) const override
+    String column_name(int index) const override
    {
        switch (index) {
        case 0:
-            return "Page";
+            return "Page"_short_string;
        case 1:
-            return "Message";
+            return "Message"_short_string;
        default:
            VERIFY_NOT_REACHED();
        }
--- a/Userland/Applications/PartitionEditor/PartitionModel.cpp
+++ b/Userland/Applications/PartitionEditor/PartitionModel.cpp
@ -18,19 +18,19 @@ NonnullRefPtr<PartitionModel> PartitionModel::create()
    return adopt_ref(*new PartitionModel);
 }

-DeprecatedString PartitionModel::column_name(int column) const
+String PartitionModel::column_name(int column) const
 {
    switch (column) {
    case Column::Partition:
-        return "Partition";
+        return "Partition"_string.release_value_but_fixme_should_propagate_errors();
    case Column::StartBlock:
-        return "Start Block";
+        return "Start Block"_string.release_value_but_fixme_should_propagate_errors();
    case Column::EndBlock:
-        return "End Block";
+        return "End Block"_string.release_value_but_fixme_should_propagate_errors();
    case Column::TotalBlocks:
-        return "Total Blocks";
+        return "Total Blocks"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Size:
-        return "Size";
+        return "Size"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/PartitionEditor/PartitionModel.h
+++ b/Userland/Applications/PartitionEditor/PartitionModel.h
@ -27,7 +27,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return m_partition_table->partitions_count(); }
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;

    ErrorOr<void> set_device_path(DeprecatedString const&);
--- a/Userland/Applications/SoundPlayer/PlaylistWidget.cpp
+++ b/Userland/Applications/SoundPlayer/PlaylistWidget.cpp
@ -73,21 +73,21 @@ DeprecatedString PlaylistModel::format_duration(u32 duration_in_seconds)
    return DeprecatedString::formatted("{:02}:{:02}:{:02}", duration_in_seconds / 3600, duration_in_seconds / 60, duration_in_seconds % 60);
 }

-DeprecatedString PlaylistModel::column_name(int column) const
+String PlaylistModel::column_name(int column) const
 {
    switch (column) {
    case 0:
-        return "Title";
+        return "Title"_short_string;
    case 1:
-        return "Duration";
+        return "Duration"_string.release_value_but_fixme_should_propagate_errors();
    case 2:
-        return "Group";
+        return "Group"_short_string;
    case 3:
-        return "Album";
+        return "Album"_short_string;
    case 4:
-        return "Artist";
+        return "Artist"_short_string;
    case 5:
-        return "Filesize";
+        return "Filesize"_string.release_value_but_fixme_should_propagate_errors();
    }
    VERIFY_NOT_REACHED();
 }
--- a/Userland/Applications/SoundPlayer/PlaylistWidget.h
+++ b/Userland/Applications/SoundPlayer/PlaylistWidget.h
@ -24,7 +24,7 @@ public:
    int row_count(const GUI::ModelIndex&) const override { return m_playlist_items.size(); }
    int column_count(const GUI::ModelIndex&) const override { return 6; }
    GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;
-    DeprecatedString column_name(int column) const override;
+    String column_name(int column) const override;
    Vector<M3UEntry>& items() { return m_playlist_items; }

 private:
--- a/Userland/Applications/Spreadsheet/ImportDialog.cpp
+++ b/Userland/Applications/Spreadsheet/ImportDialog.cpp
@ -166,10 +166,12 @@ void CSVImportDialogPage::update_preview()
        return;
    }

-    auto headers = reader.headers();
+    Vector<String> headers;
+    for (auto const& header : reader.headers())
+        headers.append(String::from_deprecated_string(header).release_value_but_fixme_should_propagate_errors());

    m_data_preview_table_view->set_model(
-        GUI::ItemListModel<Reader::XSV::Row, Reader::XSV, Vector<DeprecatedString>>::create(reader, headers, min(8ul, reader.size())));
+        GUI::ItemListModel<Reader::XSV::Row, Reader::XSV, Vector<String>>::create(reader, headers, min(8ul, reader.size())));
    m_data_preview_widget->set_active_widget(m_data_preview_table_view);
    m_data_preview_table_view->update();
 }
--- a/Userland/Applications/Spreadsheet/SpreadsheetModel.cpp
+++ b/Userland/Applications/Spreadsheet/SpreadsheetModel.cpp
@ -162,12 +162,12 @@ RefPtr<Core::MimeData> SheetModel::mime_data(const GUI::ModelSelection& selectio
    return mime_data;
 }

-DeprecatedString SheetModel::column_name(int index) const
+String SheetModel::column_name(int index) const
 {
    if (index < 0)
        return {};

-    return m_sheet->column(index);
+    return String::from_deprecated_string(m_sheet->column(index)).release_value_but_fixme_should_propagate_errors();
 }

 bool SheetModel::is_editable(const GUI::ModelIndex& index) const
--- a/Userland/Applications/Spreadsheet/SpreadsheetModel.h
+++ b/Userland/Applications/Spreadsheet/SpreadsheetModel.h
@ -23,7 +23,7 @@ public:

    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return m_sheet->row_count(); }
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return m_sheet->column_count(); }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;
    virtual RefPtr<Core::MimeData> mime_data(const GUI::ModelSelection&) const override;
    virtual bool is_editable(const GUI::ModelIndex&) const override;
--- a/Userland/Applications/SystemMonitor/ProcessModel.cpp
+++ b/Userland/Applications/SystemMonitor/ProcessModel.cpp
@ -71,71 +71,71 @@ int ProcessModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString ProcessModel::column_name(int column) const
+String ProcessModel::column_name(int column) const
 {
    switch (column) {
    case Column::Icon:
-        return "";
+        return {};
    case Column::PID:
-        return "PID";
+        return "PID"_short_string;
    case Column::TID:
-        return "TID";
+        return "TID"_short_string;
    case Column::PPID:
-        return "PPID";
+        return "PPID"_short_string;
    case Column::PGID:
-        return "PGID";
+        return "PGID"_short_string;
    case Column::SID:
-        return "SID";
+        return "SID"_short_string;
    case Column::State:
-        return "State";
+        return "State"_short_string;
    case Column::User:
-        return "User";
+        return "User"_short_string;
    case Column::Priority:
-        return "Pr";
+        return "Pr"_short_string;
    case Column::Virtual:
-        return "Virtual";
+        return "Virtual"_short_string;
    case Column::Physical:
-        return "Physical";
+        return "Physical"_string.release_value_but_fixme_should_propagate_errors();
    case Column::DirtyPrivate:
-        return "Private";
+        return "Private"_short_string;
    case Column::CleanInode:
-        return "CleanI";
+        return "CleanI"_short_string;
    case Column::PurgeableVolatile:
-        return "Purg:V";
+        return "Purg:V"_short_string;
    case Column::PurgeableNonvolatile:
-        return "Purg:N";
+        return "Purg:N"_short_string;
    case Column::CPU:
-        return "CPU";
+        return "CPU"_short_string;
    case Column::Processor:
-        return "Processor";
+        return "Processor"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    case Column::Syscalls:
-        return "Syscalls";
+        return "Syscalls"_string.release_value_but_fixme_should_propagate_errors();
    case Column::InodeFaults:
-        return "F:Inode";
+        return "F:Inode"_short_string;
    case Column::ZeroFaults:
-        return "F:Zero";
+        return "F:Zero"_short_string;
    case Column::CowFaults:
-        return "F:CoW";
+        return "F:CoW"_short_string;
    case Column::IPv4SocketReadBytes:
-        return "IPv4 In";
+        return "IPv4 In"_short_string;
    case Column::IPv4SocketWriteBytes:
-        return "IPv4 Out";
+        return "IPv4 Out"_string.release_value_but_fixme_should_propagate_errors();
    case Column::UnixSocketReadBytes:
-        return "Unix In";
+        return "Unix In"_short_string;
    case Column::UnixSocketWriteBytes:
-        return "Unix Out";
+        return "Unix Out"_string.release_value_but_fixme_should_propagate_errors();
    case Column::FileReadBytes:
-        return "File In";
+        return "File In"_short_string;
    case Column::FileWriteBytes:
-        return "File Out";
+        return "File Out"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Pledge:
-        return "Pledge";
+        return "Pledge"_short_string;
    case Column::Veil:
-        return "Veil";
+        return "Veil"_short_string;
    case Column::Command:
-        return "Command";
+        return "Command"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Applications/SystemMonitor/ProcessModel.h
+++ b/Userland/Applications/SystemMonitor/ProcessModel.h
@ -63,7 +63,7 @@ public:
    virtual int tree_column() const override { return Column::Name; }
    virtual int row_count(GUI::ModelIndex const&) const override;
    virtual int column_count(GUI::ModelIndex const&) const override;
-    virtual DeprecatedString column_name(int column) const override;
+    virtual String column_name(int column) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const& parent = {}) const override;
    virtual GUI::ModelIndex parent_index(GUI::ModelIndex const&) const override;
--- a/Userland/Applications/SystemMonitor/ThreadStackWidget.cpp
+++ b/Userland/Applications/SystemMonitor/ThreadStackWidget.cpp
@ -30,15 +30,15 @@ public:
    int row_count(GUI::ModelIndex const&) const override { return m_symbols.size(); };
    bool is_column_sortable(int) const override { return false; }

-    DeprecatedString column_name(int column) const override
+    String column_name(int column) const override
    {
        switch (column) {
        case Column::Address:
-            return "Address";
+            return "Address"_short_string;
        case Column::Object:
-            return "Object";
+            return "Object"_short_string;
        case Column::Symbol:
-            return "Symbol";
+            return "Symbol"_short_string;
        default:
            VERIFY_NOT_REACHED();
        }
--- a/Userland/Demos/ModelGallery/BasicModel.h
+++ b/Userland/Demos/ModelGallery/BasicModel.h
@ -20,7 +20,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return m_items.size(); }
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return 1; }
-    virtual DeprecatedString column_name(int) const override { return "Item"; }
+    virtual String column_name(int) const override { return "Item"_short_string; }

    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole = GUI::ModelRole::Display) const override;
    virtual TriState data_matches(GUI::ModelIndex const&, GUI::Variant const&) const override;
--- a/Userland/Demos/WidgetGallery/GalleryModels.h
+++ b/Userland/Demos/WidgetGallery/GalleryModels.h
@ -27,13 +27,13 @@ public:

    virtual int row_count(const GUI::ModelIndex&) const override { return m_cursors.size(); }
    virtual int column_count(const GUI::ModelIndex&) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int column_index) const override
+    virtual String column_name(int column_index) const override
    {
        switch (column_index) {
        case Column::Bitmap:
            return {};
        case Column::Name:
-            return "Name";
+            return "Name"_short_string;
        }
        VERIFY_NOT_REACHED();
    }
@ -112,7 +112,7 @@ public:

    virtual int row_count(const GUI::ModelIndex&) const override { return m_icon_sets.size(); }
    virtual int column_count(const GUI::ModelIndex&) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int column_index) const override
+    virtual String column_name(int column_index) const override
    {
        switch (column_index) {
        case Column::BigIcon:
@ -120,7 +120,7 @@ public:
        case Column::LittleIcon:
            return {};
        case Column::Name:
-            return "Name";
+            return "Name"_short_string;
        }
        VERIFY_NOT_REACHED();
    }
--- a/Userland/DevTools/HackStudio/Debugger/BacktraceModel.h
+++ b/Userland/DevTools/HackStudio/Debugger/BacktraceModel.h
@ -27,10 +27,7 @@ public:
    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return m_frames.size(); }
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return 1; }

-    virtual DeprecatedString column_name(int) const override
-    {
-        return "";
-    }
+    virtual String column_name(int) const override { return {}; }

    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

--- a/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp
+++ b/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.cpp
@ -73,15 +73,15 @@ int DisassemblyModel::row_count(const GUI::ModelIndex&) const
    return m_instructions.size();
 }

-DeprecatedString DisassemblyModel::column_name(int column) const
+String DisassemblyModel::column_name(int column) const
 {
    switch (column) {
    case Column::Address:
-        return "Address";
+        return "Address"_short_string;
    case Column::InstructionBytes:
-        return "Insn Bytes";
+        return "Insn Bytes"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Disassembly:
-        return "Disassembly";
+        return "Disassembly"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.h
+++ b/Userland/DevTools/HackStudio/Debugger/DisassemblyModel.h
@ -45,7 +45,7 @@ public:

    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

 private:
--- a/Userland/DevTools/HackStudio/Debugger/RegistersModel.cpp
+++ b/Userland/DevTools/HackStudio/Debugger/RegistersModel.cpp
@ -86,13 +86,13 @@ int RegistersModel::row_count(const GUI::ModelIndex&) const
    return m_registers.size();
 }

-DeprecatedString RegistersModel::column_name(int column) const
+String RegistersModel::column_name(int column) const
 {
    switch (column) {
    case Column::Register:
-        return "Register";
+        return "Register"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Value:
-        return "Value";
+        return "Value"_short_string;
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/HackStudio/Debugger/RegistersModel.h
+++ b/Userland/DevTools/HackStudio/Debugger/RegistersModel.h
@ -41,7 +41,7 @@ public:

    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

    PtraceRegisters const& raw_registers() const { return m_raw_registers; }
--- a/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
+++ b/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.cpp
@ -53,15 +53,15 @@ int ProjectTemplatesModel::column_count(const GUI::ModelIndex&) const
    return Column::__Count;
 }

-DeprecatedString ProjectTemplatesModel::column_name(int column) const
+String ProjectTemplatesModel::column_name(int column) const
 {
    switch (column) {
    case Column::Icon:
-        return "Icon";
+        return "Icon"_short_string;
    case Column::Id:
-        return "ID";
+        return "ID"_short_string;
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    }
    VERIFY_NOT_REACHED();
 }
--- a/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.h
+++ b/Userland/DevTools/HackStudio/Dialogs/ProjectTemplatesModel.h
@ -35,7 +35,7 @@ public:

    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

    void update();
--- a/Userland/DevTools/HackStudio/FindInFilesWidget.cpp
+++ b/Userland/DevTools/HackStudio/FindInFilesWidget.cpp
@ -39,15 +39,15 @@ public:
    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return m_matches.size(); }
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return Column::__Count; }

-    virtual DeprecatedString column_name(int column) const override
+    virtual String column_name(int column) const override
    {
        switch (column) {
        case Column::Filename:
-            return "Filename";
+            return "Filename"_string.release_value_but_fixme_should_propagate_errors();
        case Column::Location:
-            return "#";
+            return "#"_short_string;
        case Column::MatchedText:
-            return "Text";
+            return "Text"_short_string;
        default:
            VERIFY_NOT_REACHED();
        }
--- a/Userland/DevTools/HackStudio/Git/GitFilesModel.h
+++ b/Userland/DevTools/HackStudio/Git/GitFilesModel.h
@ -19,10 +19,7 @@ public:
    virtual int row_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return m_files.size(); }
    virtual int column_count(const GUI::ModelIndex& = GUI::ModelIndex()) const override { return 1; }

-    virtual DeprecatedString column_name(int) const override
-    {
-        return "";
-    }
+    virtual String column_name(int) const override { return {}; }

    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

--- a/Userland/DevTools/HackStudio/ToDoEntriesWidget.cpp
+++ b/Userland/DevTools/HackStudio/ToDoEntriesWidget.cpp
@ -30,17 +30,17 @@ public:
    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return m_matches.size(); }
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }

-    virtual DeprecatedString column_name(int column) const override
+    virtual String column_name(int column) const override
    {
        switch (column) {
        case Column::Filename:
-            return "Filename";
+            return "Filename"_string.release_value_but_fixme_should_propagate_errors();
        case Column::Text:
-            return "Text";
+            return "Text"_short_string;
        case Column::Line:
-            return "Line";
+            return "Line"_short_string;
        case Column::Column:
-            return "Col";
+            return "Col"_short_string;
        default:
            VERIFY_NOT_REACHED();
        }
--- a/Userland/DevTools/Profiler/DisassemblyModel.cpp
+++ b/Userland/DevTools/Profiler/DisassemblyModel.cpp
@ -131,19 +131,19 @@ int DisassemblyModel::row_count(GUI::ModelIndex const&) const
    return m_instructions.size();
 }

-DeprecatedString DisassemblyModel::column_name(int column) const
+String DisassemblyModel::column_name(int column) const
 {
    switch (column) {
    case Column::SampleCount:
-        return m_profile.show_percentages() ? "% Samples" : "# Samples";
+        return m_profile.show_percentages() ? "% Samples"_string.release_value_but_fixme_should_propagate_errors() : "# Samples"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Address:
-        return "Address";
+        return "Address"_short_string;
    case Column::InstructionBytes:
-        return "Insn Bytes";
+        return "Insn Bytes"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Disassembly:
-        return "Disassembly";
+        return "Disassembly"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SourceLocation:
-        return "Source Location";
+        return "Source Location"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/Profiler/DisassemblyModel.h
+++ b/Userland/DevTools/Profiler/DisassemblyModel.h
@ -46,7 +46,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual bool is_column_sortable(int) const override { return false; }

--- a/Userland/DevTools/Profiler/FilesystemEventModel.cpp
+++ b/Userland/DevTools/Profiler/FilesystemEventModel.cpp
@ -142,15 +142,15 @@ int FileEventModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString FileEventModel::column_name(int column) const
+String FileEventModel::column_name(int column) const
 {
    switch (column) {
    case Column::Path:
-        return "Path";
+        return "Path"_short_string;
    case Column::Count:
-        return "Event Count";
+        return "Event Count"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Duration:
-        return "Duration [ms]";
+        return "Duration [ms]"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/Profiler/FilesystemEventModel.h
+++ b/Userland/DevTools/Profiler/FilesystemEventModel.h
@ -74,7 +74,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const& parent = GUI::ModelIndex()) const override;
    virtual GUI::ModelIndex parent_index(GUI::ModelIndex const&) const override;
--- a/Userland/DevTools/Profiler/IndividualSampleModel.cpp
+++ b/Userland/DevTools/Profiler/IndividualSampleModel.cpp
@ -29,15 +29,15 @@ int IndividualSampleModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString IndividualSampleModel::column_name(int column) const
+String IndividualSampleModel::column_name(int column) const
 {
    switch (column) {
    case Column::Address:
-        return "Address";
+        return "Address"_short_string;
    case Column::ObjectName:
-        return "Object";
+        return "Object"_short_string;
    case Column::Symbol:
-        return "Symbol";
+        return "Symbol"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/DevTools/Profiler/IndividualSampleModel.h
+++ b/Userland/DevTools/Profiler/IndividualSampleModel.h
@ -31,7 +31,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;

 private:
--- a/Userland/DevTools/Profiler/ProfileModel.cpp
+++ b/Userland/DevTools/Profiler/ProfileModel.cpp
@ -74,19 +74,19 @@ int ProfileModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString ProfileModel::column_name(int column) const
+String ProfileModel::column_name(int column) const
 {
    switch (column) {
    case Column::SampleCount:
-        return m_profile.show_percentages() ? "% Samples" : "# Samples";
+        return m_profile.show_percentages() ? "% Samples"_string.release_value_but_fixme_should_propagate_errors() : "# Samples"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SelfCount:
-        return m_profile.show_percentages() ? "% Self" : "# Self";
+        return m_profile.show_percentages() ? "% Self"_short_string : "# Self"_short_string;
    case Column::ObjectName:
-        return "Object";
+        return "Object"_short_string;
    case Column::StackFrame:
-        return "Stack Frame";
+        return "Stack Frame"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SymbolAddress:
-        return "Symbol Address";
+        return "Symbol Address"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/Profiler/ProfileModel.h
+++ b/Userland/DevTools/Profiler/ProfileModel.h
@ -34,7 +34,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual GUI::ModelIndex index(int row, int column, GUI::ModelIndex const& parent = GUI::ModelIndex()) const override;
    virtual GUI::ModelIndex parent_index(GUI::ModelIndex const&) const override;
--- a/Userland/DevTools/Profiler/SamplesModel.cpp
+++ b/Userland/DevTools/Profiler/SamplesModel.cpp
@ -28,25 +28,25 @@ int SamplesModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString SamplesModel::column_name(int column) const
+String SamplesModel::column_name(int column) const
 {
    switch (column) {
    case Column::SampleIndex:
-        return "#";
+        return "#"_short_string;
    case Column::Timestamp:
-        return "Timestamp";
+        return "Timestamp"_string.release_value_but_fixme_should_propagate_errors();
    case Column::ProcessID:
-        return "PID";
+        return "PID"_short_string;
    case Column::ThreadID:
-        return "TID";
+        return "TID"_short_string;
    case Column::ExecutableName:
-        return "Executable";
+        return "Executable"_string.release_value_but_fixme_should_propagate_errors();
    case Column::LostSamples:
-        return "Lost Samples";
+        return "Lost Samples"_string.release_value_but_fixme_should_propagate_errors();
    case Column::InnermostStackFrame:
-        return "Innermost Frame";
+        return "Innermost Frame"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Path:
-        return "Path";
+        return "Path"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/DevTools/Profiler/SamplesModel.h
+++ b/Userland/DevTools/Profiler/SamplesModel.h
@ -36,7 +36,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual bool is_column_sortable(int) const override { return false; }

--- a/Userland/DevTools/Profiler/SignpostsModel.cpp
+++ b/Userland/DevTools/Profiler/SignpostsModel.cpp
@ -26,23 +26,23 @@ int SignpostsModel::column_count(GUI::ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString SignpostsModel::column_name(int column) const
+String SignpostsModel::column_name(int column) const
 {
    switch (column) {
    case Column::SignpostIndex:
-        return "#";
+        return "#"_short_string;
    case Column::Timestamp:
-        return "Timestamp";
+        return "Timestamp"_string.release_value_but_fixme_should_propagate_errors();
    case Column::ProcessID:
-        return "PID";
+        return "PID"_short_string;
    case Column::ThreadID:
-        return "TID";
+        return "TID"_short_string;
    case Column::ExecutableName:
-        return "Executable";
+        return "Executable"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SignpostString:
-        return "String";
+        return "String"_short_string;
    case Column::SignpostArgument:
-        return "Argument";
+        return "Argument"_string.release_value_but_fixme_should_propagate_errors();
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/DevTools/Profiler/SignpostsModel.h
+++ b/Userland/DevTools/Profiler/SignpostsModel.h
@ -35,7 +35,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual bool is_column_sortable(int) const override { return false; }

--- a/Userland/DevTools/Profiler/SourceModel.cpp
+++ b/Userland/DevTools/Profiler/SourceModel.cpp
@ -122,17 +122,17 @@ int SourceModel::row_count(GUI::ModelIndex const&) const
    return m_source_lines.size();
 }

-DeprecatedString SourceModel::column_name(int column) const
+String SourceModel::column_name(int column) const
 {
    switch (column) {
    case Column::SampleCount:
-        return m_profile.show_percentages() ? "% Samples" : "# Samples";
+        return m_profile.show_percentages() ? "% Samples"_string.release_value_but_fixme_should_propagate_errors() : "# Samples"_string.release_value_but_fixme_should_propagate_errors();
    case Column::SourceCode:
-        return "Source Code";
+        return "Source Code"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Location:
-        return "Location";
+        return "Location"_string.release_value_but_fixme_should_propagate_errors();
    case Column::LineNumber:
-        return "Line";
+        return "Line"_short_string;
    default:
        VERIFY_NOT_REACHED();
        return {};
--- a/Userland/DevTools/Profiler/SourceModel.h
+++ b/Userland/DevTools/Profiler/SourceModel.h
@ -38,7 +38,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual bool is_column_sortable(int) const override { return false; }

--- a/Userland/Libraries/LibGUI/CommandPalette.cpp
+++ b/Userland/Libraries/LibGUI/CommandPalette.cpp
@ -92,7 +92,7 @@ public:
        return Column::__Count;
    }

-    virtual DeprecatedString column_name(int) const override { return {}; }
+    virtual String column_name(int) const override { return {}; }

    virtual ModelIndex index(int row, int column = 0, ModelIndex const& = ModelIndex()) const override
    {
--- a/Userland/Libraries/LibGUI/FileSystemModel.cpp
+++ b/Userland/Libraries/LibGUI/FileSystemModel.cpp
@ -761,27 +761,27 @@ int FileSystemModel::column_count(ModelIndex const&) const
    return Column::__Count;
 }

-DeprecatedString FileSystemModel::column_name(int column) const
+String FileSystemModel::column_name(int column) const
 {
    switch (column) {
    case Column::Icon:
-        return "";
+        return {};
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    case Column::Size:
-        return "Size";
+        return "Size"_short_string;
    case Column::User:
-        return "User";
+        return "User"_short_string;
    case Column::Group:
-        return "Group";
+        return "Group"_short_string;
    case Column::Permissions:
-        return "Mode";
+        return "Mode"_short_string;
    case Column::ModificationTime:
-        return "Modified";
+        return "Modified"_string.release_value_but_fixme_should_propagate_errors();
    case Column::Inode:
-        return "Inode";
+        return "Inode"_short_string;
    case Column::SymlinkTarget:
-        return "Symlink target";
+        return "Symlink target"_string.release_value_but_fixme_should_propagate_errors();
    }
    VERIFY_NOT_REACHED();
 }
--- a/Userland/Libraries/LibGUI/FileSystemModel.h
+++ b/Userland/Libraries/LibGUI/FileSystemModel.h
@ -127,7 +127,7 @@ public:
    virtual int tree_column() const override { return Column::Name; }
    virtual int row_count(ModelIndex const& = ModelIndex()) const override;
    virtual int column_count(ModelIndex const& = ModelIndex()) const override;
-    virtual DeprecatedString column_name(int column) const override;
+    virtual String column_name(int column) const override;
    virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const override;
    virtual ModelIndex parent_index(ModelIndex const&) const override;
    virtual ModelIndex index(int row, int column = 0, ModelIndex const& parent = ModelIndex()) const override;
--- a/Userland/Libraries/LibGUI/FilteringProxyModel.cpp
+++ b/Userland/Libraries/LibGUI/FilteringProxyModel.cpp
@ -33,7 +33,7 @@ int FilteringProxyModel::column_count(ModelIndex const& index) const
    return m_model->column_count(m_matching_indices[index.row()]);
 }

-DeprecatedString FilteringProxyModel::column_name(int column) const
+String FilteringProxyModel::column_name(int column) const
 {
    return m_model->column_name(column);
 }
--- a/Userland/Libraries/LibGUI/FilteringProxyModel.h
+++ b/Userland/Libraries/LibGUI/FilteringProxyModel.h
@ -29,7 +29,7 @@ public:

    virtual int row_count(ModelIndex const& = ModelIndex()) const override;
    virtual int column_count(ModelIndex const& = ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const override;
    virtual void invalidate() override;
    virtual ModelIndex index(int row, int column = 0, ModelIndex const& parent = ModelIndex()) const override;
--- a/Userland/Libraries/LibGUI/HeaderView.cpp
+++ b/Userland/Libraries/LibGUI/HeaderView.cpp
@ -358,7 +358,7 @@ Menu& HeaderView::ensure_context_menu()
        int section_count = this->section_count();
        for (int section = 0; section < section_count; ++section) {
            auto& column_data = this->section_data(section);
-            auto name = model()->column_name(section);
+            auto name = model()->column_name(section).to_deprecated_string();
            column_data.visibility_action = Action::create_checkable(name, [this, section](auto& action) {
                set_section_visible(section, action.is_checked());
            });
--- a/Userland/Libraries/LibGUI/ItemListModel.h
+++ b/Userland/Libraries/LibGUI/ItemListModel.h
@ -71,11 +71,11 @@ public:
        return 1;
    }

-    virtual DeprecatedString column_name(int index) const override
+    virtual String column_name(int index) const override
    {
        if constexpr (IsTwoDimensional)
            return m_column_names[index];
-        return "Data";
+        return "Data"_short_string;
    }

    virtual Variant data(ModelIndex const& index, ModelRole role) const override
--- a/Userland/Libraries/LibGUI/JsonArrayModel.h
+++ b/Userland/Libraries/LibGUI/JsonArrayModel.h
@ -49,7 +49,7 @@ public:

    virtual int row_count(ModelIndex const& = ModelIndex()) const override { return m_array.size(); }
    virtual int column_count(ModelIndex const& = ModelIndex()) const override { return m_fields.size(); }
-    virtual DeprecatedString column_name(int column) const override { return m_fields[column].column_name; }
+    virtual String column_name(int column) const override { return String::from_deprecated_string(m_fields[column].column_name).release_value_but_fixme_should_propagate_errors(); }
    virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const override;
    virtual void invalidate() override;
    virtual void update();
--- a/Userland/Libraries/LibGUI/Model.h
+++ b/Userland/Libraries/LibGUI/Model.h
@ -9,11 +9,11 @@
 #pragma once

 #include <AK/Badge.h>
-#include <AK/DeprecatedString.h>
 #include <AK/Function.h>
 #include <AK/HashMap.h>
 #include <AK/HashTable.h>
 #include <AK/RefCounted.h>
+#include <AK/String.h>
 #include <AK/WeakPtr.h>
 #include <LibCore/MimeData.h>
 #include <LibGUI/Forward.h>
@ -66,7 +66,7 @@ public:

    virtual int row_count(ModelIndex const& = ModelIndex()) const = 0;
    virtual int column_count(ModelIndex const& = ModelIndex()) const = 0;
-    virtual DeprecatedString column_name(int) const { return {}; }
+    virtual String column_name(int) const { return {}; }
    virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const = 0;
    virtual TriState data_matches(ModelIndex const&, Variant const&) const { return TriState::Unknown; }
    virtual void invalidate();
--- a/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
+++ b/Userland/Libraries/LibGUI/RunningProcessesModel.cpp
@ -45,17 +45,17 @@ int RunningProcessesModel::column_count(const GUI::ModelIndex&) const
    return Column::__Count;
 }

-DeprecatedString RunningProcessesModel::column_name(int column_index) const
+String RunningProcessesModel::column_name(int column_index) const
 {
    switch (column_index) {
    case Column::Icon:
        return {};
    case Column::PID:
-        return "PID";
+        return "PID"_short_string;
    case Column::UID:
-        return "UID";
+        return "UID"_short_string;
    case Column::Name:
-        return "Name";
+        return "Name"_short_string;
    }
    VERIFY_NOT_REACHED();
 }
--- a/Userland/Libraries/LibGUI/RunningProcessesModel.h
+++ b/Userland/Libraries/LibGUI/RunningProcessesModel.h
@ -27,7 +27,7 @@ public:

    virtual int row_count(const GUI::ModelIndex&) const override;
    virtual int column_count(const GUI::ModelIndex&) const override;
-    virtual DeprecatedString column_name(int column_index) const override;
+    virtual String column_name(int column_index) const override;
    virtual GUI::Variant data(const GUI::ModelIndex&, GUI::ModelRole) const override;

    void update();
--- a/Userland/Libraries/LibGUI/SortingProxyModel.cpp
+++ b/Userland/Libraries/LibGUI/SortingProxyModel.cpp
@ -106,7 +106,7 @@ ModelIndex SortingProxyModel::map_to_proxy(ModelIndex const& source_index) const
    return create_index(proxy_row, proxy_column, &mapping);
 }

-DeprecatedString SortingProxyModel::column_name(int column) const
+String SortingProxyModel::column_name(int column) const
 {
    return source().column_name(column);
 }
--- a/Userland/Libraries/LibGUI/SortingProxyModel.h
+++ b/Userland/Libraries/LibGUI/SortingProxyModel.h
@ -24,7 +24,7 @@ public:
    virtual int tree_column() const override { return m_source->tree_column(); }
    virtual int row_count(ModelIndex const& = ModelIndex()) const override;
    virtual int column_count(ModelIndex const& = ModelIndex()) const override;
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual Variant data(ModelIndex const&, ModelRole = ModelRole::Display) const override;
    virtual void invalidate() override;
    virtual StringView drag_data_type() const override;
--- a/Userland/Libraries/LibWebView/StylePropertiesModel.cpp
+++ b/Userland/Libraries/LibWebView/StylePropertiesModel.cpp
@ -30,13 +30,13 @@ int StylePropertiesModel::row_count(GUI::ModelIndex const&) const
    return m_values.size();
 }

-DeprecatedString StylePropertiesModel::column_name(int column_index) const
+String StylePropertiesModel::column_name(int column_index) const
 {
    switch (column_index) {
    case Column::PropertyName:
-        return "Name";
+        return "Name"_short_string;
    case Column::PropertyValue:
-        return "Value";
+        return "Value"_short_string;
    default:
        VERIFY_NOT_REACHED();
    }
--- a/Userland/Libraries/LibWebView/StylePropertiesModel.h
+++ b/Userland/Libraries/LibWebView/StylePropertiesModel.h
@ -31,7 +31,7 @@ public:

    virtual int row_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override;
    virtual int column_count(GUI::ModelIndex const& = GUI::ModelIndex()) const override { return Column::__Count; }
-    virtual DeprecatedString column_name(int) const override;
+    virtual String column_name(int) const override;
    virtual GUI::Variant data(GUI::ModelIndex const&, GUI::ModelRole) const override;
    virtual bool is_searchable() const override { return true; }
    virtual Vector<GUI::ModelIndex> matches(StringView, unsigned flags, GUI::ModelIndex const&) override;