diff --git a/src/libs/utils/layoutbuilder.cpp b/src/libs/utils/layoutbuilder.cpp
index 236c2db7ead..81c7991b964 100644
--- a/src/libs/utils/layoutbuilder.cpp
+++ b/src/libs/utils/layoutbuilder.cpp
@@ -30,6 +30,7 @@
 #include <QTabWidget>
 #include <QTextEdit>
 #include <QToolBar>
+#include <QToolButton>
 
 namespace Layouting {
 
@@ -1088,6 +1089,19 @@ ToolBar::ToolBar(std::initializer_list<I> ps)
     access(this)->setOrientation(Qt::Horizontal);
 }
 
+// ToolButton
+
+ToolButton::ToolButton(std::initializer_list<I> ps)
+{
+    ptr = new Implementation;
+    apply(this, ps);
+}
+
+void ToolButton::setDefaultAction(QAction *action)
+{
+    access(this)->setDefaultAction(action);
+}
+
 // TabWidget
 
 TabWidget::TabWidget(std::initializer_list<I> ps)
diff --git a/src/libs/utils/layoutbuilder.h b/src/libs/utils/layoutbuilder.h
index 824f3904b27..46db73f2d39 100644
--- a/src/libs/utils/layoutbuilder.h
+++ b/src/libs/utils/layoutbuilder.h
@@ -5,6 +5,7 @@
 
 #include "builderutils.h"
 
+#include <QAction>
 #include <QString>
 
 #include <initializer_list>
@@ -38,6 +39,7 @@ class QStackedWidget;
 class QTabWidget;
 class QTextEdit;
 class QToolBar;
+class QToolButton;
 class QVBoxLayout;
 class QWidget;
 QT_END_NAMESPACE
@@ -435,6 +437,17 @@ public:
     ToolBar(std::initializer_list<I> items);
 };
 
+class QTCREATOR_UTILS_EXPORT ToolButton : public Widget
+{
+public:
+    using Implementation = QToolButton;
+    using I = Building::BuilderItem<ToolButton>;
+
+    ToolButton(std::initializer_list<I> items);
+
+    void setDefaultAction(QAction *action);
+};
+
 class QTCREATOR_UTILS_EXPORT Spinner : public Widget
 {
 public:
diff --git a/src/plugins/lua/bindings/gui.cpp b/src/plugins/lua/bindings/gui.cpp
index 3d9e4a80a98..bfde53d10ac 100644
--- a/src/plugins/lua/bindings/gui.cpp
+++ b/src/plugins/lua/bindings/gui.cpp
@@ -119,6 +119,7 @@ CREATE_HAS_FUNC(setViewportMargins, int(), int(), int(), int());
 CREATE_HAS_FUNC(setCursor, Qt::CursorShape())
 CREATE_HAS_FUNC(setMinimumWidth, int());
 CREATE_HAS_FUNC(setEnableCodeCopyButton, bool());
+CREATE_HAS_FUNC(setDefaultAction, nullptr);
 
 template<class T>
 void setProperties(std::unique_ptr<T> &item, const sol::table &children, QObject *guard)
@@ -153,6 +154,12 @@ void setProperties(std::unique_ptr<T> &item, const sol::table &children, QObject
             item->setEnableCodeCopyButton(*enableCodeCopyButton);
     }
 
+    if constexpr (has_setDefaultAction<T>) {
+        const auto defaultAction = children.get<sol::optional<QAction *>>("defaultAction"sv);
+        if (defaultAction)
+            item->setDefaultAction(*defaultAction);
+    }
+
     if constexpr (has_setVisible<T>) {
         const auto visible = children.get<sol::optional<bool>>("visible"sv);
         if (visible)
@@ -675,6 +682,14 @@ void setupGuiModule()
             }),
             sol::base_classes,
             sol::bases<Widget, Object, Thing>());
+        gui.new_usertype<ToolButton>(
+            "ToolButton",
+            sol::call_constructor,
+            sol::factories([guard](const sol::table &children) {
+                return constructWidgetType<ToolButton>(children, guard);
+            }),
+            sol::base_classes,
+            sol::bases<Widget, Object, Thing>());
         gui.new_usertype<TabWidget>(
             "TabWidget",
             sol::call_constructor,
diff --git a/src/plugins/lua/bindings/texteditor.cpp b/src/plugins/lua/bindings/texteditor.cpp
index 95ab7dc7ed6..d1601969e5e 100644
--- a/src/plugins/lua/bindings/texteditor.cpp
+++ b/src/plugins/lua/bindings/texteditor.cpp
@@ -412,6 +412,13 @@ void setupTextEditorModule()
                 QTC_ASSERT(textEditor, throw sol::error("TextEditor is not valid"));
                 return addEmbeddedWidget(textEditor, toWidget(widget), position);
             },
+            "insertExtraToolBarWidget",
+            [](const TextEditorPtr &textEditor,
+               TextEditorWidget::Side side,
+               LayoutOrWidget widget) {
+                QTC_ASSERT(textEditor, throw sol::error("TextEditor is not valid"));
+                textEditor->editorWidget()->insertExtraToolBarWidget(side, toWidget(widget));
+            },
             "setRefactorMarker",
             [pluginSpec, activeMarkers](
                 const TextEditorPtr &textEditor,
@@ -461,6 +468,11 @@ void setupTextEditorModule()
                 return textEditor->editorWidget()->hasFocus();
             });
 
+        result["Side"] = lua.create_table_with(
+                "Left", TextEditorWidget::Left,
+                "Right", TextEditorWidget::Right
+            );
+
         result.new_usertype<TextSuggestion::Data>(
             "Suggestion",
             "create",
diff --git a/src/plugins/lua/meta/gui.lua b/src/plugins/lua/meta/gui.lua
index e74a4fe31c9..b78f6ad5bdc 100644
--- a/src/plugins/lua/meta/gui.lua
+++ b/src/plugins/lua/meta/gui.lua
@@ -214,6 +214,13 @@ local toolBar = {}
 ---@return ToolBar
 function gui.ToolBar(options) end
 
+---@class ToolButton : Widget
+local toolButton = {}
+
+---@param options WidgetOptions
+---@return ToolButton
+function gui.ToolButton(options) end
+
 ---@class TabWidget : Widget
 local tabWidget = {}
 
diff --git a/src/plugins/lua/meta/texteditor.lua b/src/plugins/lua/meta/texteditor.lua
index 80b5fbf884b..b832fe5c497 100644
--- a/src/plugins/lua/meta/texteditor.lua
+++ b/src/plugins/lua/meta/texteditor.lua
@@ -208,6 +208,11 @@ function EmbeddedWidget:onShouldClose(fn) end
 ---@return EmbeddedWidget interface An interface to control the floating widget.
 function TextEditor:addEmbeddedWidget(widget, position) end
 
+---Inserts a widget into toolbar.
+---@param side TextEditor.Side The side where the widget should be added.
+---@param widget Widget|Layout The widget to be added to the toolbar
+function TextEditor:insertExtraToolBarWidget(side, widget) end
+
 ---Adds an refactor marker in the text editor at given cursor position.
 ---@param icon Utils.Icon|FilePath|string Icon to be used. If specified icon is invalid the default QtCreator for markers is used.
 ---@param position integer The position in the document where the marker should appear.
@@ -236,4 +241,11 @@ function TextEditor:hasFocus() end
 ---@return TextEditor|nil editor The currently active editor or nil if there is none.
 function textEditor.currentEditor() end
 
+---@enum TextEditor.Side
+---Side of the toolbar.
+textEditor.Side = {
+    Left = 0,
+    Right = 0
+}
+
 return textEditor