Adjust completion menu to fit its contents

include/SuggestionsPopup.hpp

@@ -64,6 +64,9 @@ public slots:
         //! Set hovering to the item in the given layout position.
         void setHovering(int pos);
 
+protected:
+        void paintEvent(QPaintEvent *event) override;
+
 signals:
         void itemSelected(const QString &user);
 

resources/styles/nheko-dark.qss

@@ -22,6 +22,10 @@ QuickSwitcher {
     background-color: #202228;
 }
 
+SuggestionsPopup {
+    background-color: #202228;
+}
+
 PopupItem {
     background-color: #202228;
     qproperty-hoverColor: rgba(45, 49, 57, 120);

resources/styles/nheko.qss

@@ -22,6 +22,10 @@ QuickSwitcher {
     background-color: white;
 }
 
+SuggestionsPopup {
+    background-color: white;
+}
+
 PopupItem {
     background-color: white;
     qproperty-hoverColor: rgba(192, 193, 195, 120);

resources/styles/system.qss

@@ -25,6 +25,10 @@ QuickSwitcher {
     background-color: palette(window);
 }
 
+SuggestionsPopup {
+    background-color: palette(window);
+}
+
 PopupItem {
     background-color: palette(window);
     qproperty-hoverColor: rgba(192, 193, 195, 120);

src/SuggestionsPopup.cpp

@@ -106,6 +106,7 @@ SuggestionsPopup::addUsers(const QVector<SearchResult> &users)
         }
 
         resetSelection();
+        adjustSize();
 
         resize(geometry().width(), 40 * users.size());
 }
@@ -171,3 +172,12 @@ SuggestionsPopup::selectHoveredSuggestion()
 
         resetSelection();
 }
+
+void
+SuggestionsPopup::paintEvent(QPaintEvent *)
+{
+        QStyleOption opt;
+        opt.init(this);
+        QPainter p(this);
+        style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
+}