Fix QSearchField on macOS

src/covermanager/albumcovermanager.cpp

@@ -248,6 +248,8 @@ void AlbumCoverManager::showEvent(QShowEvent *e) {
     Reset();
   }
 
+  QMainWindow::showEvent(e);
+
 }
 
 void AlbumCoverManager::closeEvent(QCloseEvent *e) {
@@ -270,6 +272,8 @@ void AlbumCoverManager::closeEvent(QCloseEvent *e) {
   ui_->artists->clear();
   ui_->albums->clear();
 
+  QMainWindow::closeEvent(e);
+
 }
 
 void AlbumCoverManager::LoadGeometry() {

src/covermanager/albumcoversearcher.cpp

@@ -163,14 +163,6 @@ void AlbumCoverSearcher::Init(AlbumCoverFetcher *fetcher) {
 
 AlbumCoverImageResult AlbumCoverSearcher::Exec(const QString &artist, const QString &album) {
 
-#ifdef Q_OS_MACOS
-  ui_->artist->clear();
-  ui_->album->clear();
-  model_->clear();
-  cover_loading_tasks_.clear();
-  show();
-#endif
-
   ui_->artist->setText(artist);
   ui_->album->setText(album);
   ui_->artist->setFocus();

src/widgets/qsearchfield.h

@@ -5,6 +5,9 @@
 #include <QPointer>
 #include <QMenu>
 
+class QShowEvent;
+class QCloseEvent;
+
 class QSearchFieldPrivate;
 class QSearchField : public QWidget {
   Q_OBJECT
@@ -34,6 +37,7 @@ class QSearchField : public QWidget {
   void returnPressed();
 
  protected:
+  void showEvent(QShowEvent *e) override;
   void resizeEvent(QResizeEvent*) override;
   bool eventFilter(QObject*, QEvent*) override;
 

src/widgets/qsearchfield_mac.mm

@@ -32,6 +32,7 @@ THE SOFTWARE.
 #include <QString>
 #include <QClipboard>
 #include <QBoxLayout>
+#include <QShowEvent>
 #include <QKeyEvent>
 
 class QSearchFieldPrivate : public QObject {
@@ -164,15 +165,12 @@ QSearchField::QSearchField(QWidget *parent) : QWidget(parent) {
   pimpl = delegate->pimpl = new QSearchFieldPrivate(this, search);
   [search setDelegate:(id<NSSearchFieldDelegate>)delegate];
 
-  QVBoxLayout *layout = new QVBoxLayout(this);
-  layout->setContentsMargins(0, 0, 0, 0);
-  layout->addWidget(QWidget::createWindowContainer(QWindow::fromWinId(WId(search)), this));
-
+  new QVBoxLayout(this);
+  layout()->setContentsMargins(0, 0, 0, 0);
   setAttribute(Qt::WA_NativeWindow);
   setFixedHeight(24);
   setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
 
-  [search release];
   [pool drain];
 
 }
@@ -232,6 +230,21 @@ void QSearchField::setFocus() {
   setFocus(Qt::OtherFocusReason);
 }
 
+void QSearchField::showEvent(QShowEvent *e) {
+
+  if (!e->spontaneous()) {
+    for (int i = 0 ; i < layout()->count() ; ++i) {
+      QWidget *widget = layout()->itemAt(i)->widget();
+      layout()->removeWidget(widget);
+      delete widget;
+    }
+    layout()->addWidget(QWidget::createWindowContainer(QWindow::fromWinId(WId(pimpl->nsSearchField)), this));
+  }
+
+  QWidget::showEvent(e);
+
+}
+
 void QSearchField::resizeEvent(QResizeEvent *resizeEvent) {
   QWidget::resizeEvent(resizeEvent);
 }
@@ -239,4 +252,3 @@ void QSearchField::resizeEvent(QResizeEvent *resizeEvent) {
 bool QSearchField::eventFilter(QObject *o, QEvent *e) {
   return QWidget::eventFilter(o, e);
 }
-

src/widgets/qsearchfield_nonmac.cpp

@@ -165,6 +165,12 @@ QString QSearchField::text() const {
 
 }
 
+void QSearchField::showEvent(QShowEvent *e) {
+
+  QWidget::showEvent(e);
+
+}
+
 void QSearchField::resizeEvent(QResizeEvent *resizeEvent) {
 
   Q_ASSERT(pimpl && pimpl->clearbutton_ && pimpl->lineedit_);