Provide a default size-hint for all panels

This fixes the issue that the initial size of the Filter Panel is too small.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/panels/panel.cpp b/src/panels/panel.cpp
index e90970c6e..f26086159 100644
--- a/src/panels/panel.cpp
+++ b/src/panels/panel.cpp
@@ -47,6 +47,16 @@ QList<QAction*> Panel::customContextMenuActions() const
     return m_customContextMenuActions;
 }
 
+QSize Panel::sizeHint() const
+{
+    // The size hint will be requested already when starting Dolphin even
+    // if the panel is invisible. For performance reasons most panels delay
+    // the creation and initialization of widgets until a showEvent() is called.
+    // Because of this the size-hint of the embedded widgets cannot be used
+    // and a default size is provided:
+    return QSize(180, 180);
+}
+
 void Panel::setUrl(const KUrl& url)
 {
     if (url.equals(m_url, KUrl::CompareWithoutTrailingSlash)) {