TextEditor: Move the find/replace buttons to JSON GUI

Applications/TextEditor/MainWindow.json

@@ -53,7 +53,25 @@
                     "preferred_height": 22,
                     "layout": {
                         "class": "GUI::HorizontalBoxLayout"
-                    }
+                    },
+                    "children": [
+                        {
+                            "class": "GUI::Button",
+                            "name": "find_previous_button",
+                            "text": "Find previous",
+                            "horizontal_size_policy": "Fixed",
+                            "vertical_size_policy": "Fill",
+                            "preferred_width": 150
+                        },
+                        {
+                            "class": "GUI::Button",
+                            "name": "find_next_button",
+                            "text": "Find next",
+                            "horizontal_size_policy": "Fixed",
+                            "vertical_size_policy": "Fill",
+                            "preferred_width": 150
+                        }
+                    ]
                 },
                 {
                     "class": "GUI::Widget",
@@ -64,7 +82,33 @@
                     "preferred_height": 22,
                     "layout": {
                         "class": "GUI::HorizontalBoxLayout"
-                    }
+                    },
+                    "children": [
+                        {
+                            "class": "GUI::Button",
+                            "name": "replace_previous_button",
+                            "text": "Replace previous",
+                            "horizontal_size_policy": "Fixed",
+                            "vertical_size_policy": "Fill",
+                            "preferred_width": 100
+                        },
+                        {
+                            "class": "GUI::Button",
+                            "name": "replace_next_button",
+                            "text": "Replace next",
+                            "horizontal_size_policy": "Fixed",
+                            "vertical_size_policy": "Fill",
+                            "preferred_width": 100
+                        },
+                        {
+                            "class": "GUI::Button",
+                            "name": "replace_all_button",
+                            "text": "Replace all",
+                            "horizontal_size_policy": "Fixed",
+                            "vertical_size_policy": "Fill",
+                            "preferred_width": 100
+                        }
+                    ]
                 }
             ]
         },

Applications/TextEditor/TextEditorWidget.cpp

@@ -213,14 +213,10 @@ TextEditorWidget::TextEditorWidget()
         }
     });
 
-    m_find_previous_button = m_find_widget->add<GUI::Button>("Find previous");
-    m_find_previous_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
-    m_find_previous_button->set_preferred_size(150, 0);
+    m_find_previous_button = static_cast<GUI::Button&>(*find_descendant_by_name("find_previous_button"));
     m_find_previous_button->set_action(*m_find_previous_action);
 
-    m_find_next_button = m_find_widget->add<GUI::Button>("Find next");
-    m_find_next_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
-    m_find_next_button->set_preferred_size(150, 0);
+    m_find_next_button = static_cast<GUI::Button&>(*find_descendant_by_name("find_next_button"));
     m_find_next_button->set_action(*m_find_next_action);
 
     m_find_textbox->on_return_pressed = [this] {
@@ -232,19 +228,13 @@ TextEditorWidget::TextEditorWidget()
         m_editor->set_focus(true);
     };
 
-    m_replace_previous_button = m_replace_widget->add<GUI::Button>("Replace previous");
-    m_replace_previous_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
-    m_replace_previous_button->set_preferred_size(100, 0);
+    m_replace_previous_button = static_cast<GUI::Button&>(*find_descendant_by_name("replace_previous_button"));
     m_replace_previous_button->set_action(*m_replace_previous_action);
 
-    m_replace_next_button = m_replace_widget->add<GUI::Button>("Replace next");
-    m_replace_next_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
-    m_replace_next_button->set_preferred_size(100, 0);
+    m_replace_next_button = static_cast<GUI::Button&>(*find_descendant_by_name("replace_next_button"));
     m_replace_next_button->set_action(*m_replace_next_action);
 
-    m_replace_all_button = m_replace_widget->add<GUI::Button>("Replace all");
-    m_replace_all_button->set_size_policy(GUI::SizePolicy::Fixed, GUI::SizePolicy::Fill);
-    m_replace_all_button->set_preferred_size(100, 0);
+    m_replace_all_button = static_cast<GUI::Button&>(*find_descendant_by_name("replace_all_button"));
     m_replace_all_button->set_action(*m_replace_all_action);
 
     m_replace_textbox->on_return_pressed = [this] {