Core: Use more layoutbuilder in mime settings dialog

Change-Id: Ia5729cbd5ed578dd2488ec2864722be0e8dae4c0
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/coreplugin/mimetypesettings.cpp

@@ -368,28 +368,23 @@ MimeTypeSettingsWidget::MimeTypeSettingsWidget(MimeTypeSettingsPage *settings)
     m_removeMagicButton = new QPushButton;
     m_removeMagicButton->setText(Tr::tr("Remove"));
 
-    auto mimeTypesGroupBox = new QGroupBox;
-    mimeTypesGroupBox->setTitle(Tr::tr("Registered MIME Types"));
-
-    auto detailsGroupBox = new QGroupBox;
-    detailsGroupBox->setTitle(Tr::tr("Details"));
-
-    auto splitter = new QSplitter(this);
-    splitter->setOrientation(Qt::Vertical);
-    splitter->setChildrenCollapsible(false);
-    splitter->addWidget(mimeTypesGroupBox);
-    splitter->addWidget(detailsGroupBox);
-
     using namespace Layouting;
 
+    Column {
+        Splitter {
+            childrenCollapsible(false),
+            Group {
+                title(Tr::tr("Registered MIME Types")),
                 Column {
                     filterLineEdit,
                     m_mimeTypesTreeView,
                     Row { resetButton, m_resetHandlersButton, st }
-    }.attachTo(mimeTypesGroupBox);
+                }
-
+            },
+            Group {
+                title(Tr::tr("Details")),
                 Column {
-        Form { patternsLabel, m_patternsLineEdit, br, },
+                    Form { patternsLabel, m_patternsLineEdit },
                     Row {
                         m_magicHeadersTreeWidget,
                         Column {
@@ -399,10 +394,9 @@ MimeTypeSettingsWidget::MimeTypeSettingsWidget(MimeTypeSettingsPage *settings)
                             st
                         }
                     }
-    }.attachTo(detailsGroupBox);
+                }
-
+            }
-    Column {
+        }
-        splitter
     }.attachTo(this);
 
     d->m_model.load();