Use grid layout in component selection page

The layout in component selection page looked bad, especially in macOS
with dark mode as the widgets were not aligned properly vertically.

Task-number: QTIFW-1334
Change-Id: I718b7eaded78906027ce227671e955afda50c264
Reviewed-by: Iikka Eklund <iikka.eklund@qt.io>
Reviewed-by: Antti Kokko <antti.kokko@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/libs/installer/componentselectionpage_p.h b/src/libs/installer/componentselectionpage_p.h
index 6169a06f5..591cd08f7 100644
--- a/src/libs/installer/componentselectionpage_p.h
+++ b/src/libs/installer/componentselectionpage_p.h
@@ -44,6 +44,7 @@ class QListWidgetItem;
 class QProgressBar;
 class QVBoxLayout;
 class QHBoxLayout;
+class QGridLayout;
 
 namespace QInstaller {
 
@@ -98,7 +99,7 @@ private:
     QGroupBox *m_categoryGroupBox;
     QLabel *m_metadataProgressLabel;
     QProgressBar *m_progressBar;
-    QHBoxLayout *m_mainHLayout;
+    QGridLayout *m_mainGLayout;
     QVBoxLayout *m_treeViewVLayout;
     bool m_allowCompressedRepositoryInstall;
     ComponentModel *m_allModel;