Remove global search popup frame and show on top when triggered.

src/globalsearch/globalsearchpopup.cpp

@@ -1,5 +1,7 @@
 #include "globalsearchpopup.h"
 
+#include <QShortcut>
+
 #include "ui/iconloader.h"
 
 GlobalSearchPopup::GlobalSearchPopup(QWidget* parent)
@@ -7,10 +9,16 @@ GlobalSearchPopup::GlobalSearchPopup(QWidget* parent)
       ui_(new Ui_GlobalSearchPopup) {
   ui_->setupUi(this);
 
+  Qt::WindowFlags flags = Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint | Qt::Popup;
+  setWindowFlags(flags);
+
   ui_->previous->setIcon(IconLoader::Load("media-skip-backward"));
   ui_->next->setIcon(IconLoader::Load("media-skip-forward"));
   ui_->play_pause->setIcon(IconLoader::Load("media-playback-start"));
   ui_->stop->setIcon(IconLoader::Load("media-playback-stop"));
+
+  QShortcut* shortcut = new QShortcut(QKeySequence::Close, this);
+  connect(shortcut, SIGNAL(activated()), SLOT(close()));
 }
 
 void GlobalSearchPopup::Init(LibraryBackendInterface* library) {
@@ -20,3 +28,7 @@ void GlobalSearchPopup::Init(LibraryBackendInterface* library) {
   connect(ui_->search_widget, SIGNAL(AddToPlaylist(QMimeData*)),
       SIGNAL(AddToPlaylist(QMimeData*)));
 }
+
+void GlobalSearchPopup::setFocus(Qt::FocusReason reason) {
+  ui_->search_widget->setFocus(reason);
+}

src/globalsearch/globalsearchpopup.h

@@ -16,6 +16,9 @@ class GlobalSearchPopup : public QDialog {
 
   void Init(LibraryBackendInterface* library);
 
+  // QWidget
+  void setFocus(Qt::FocusReason reason = Qt::PopupFocusReason);
+
  signals:
   void AddToPlaylist(QMimeData*);
 

src/globalsearch/globalsearchwidget.cpp

@@ -318,6 +318,10 @@ bool GlobalSearchWidget::eventFilter(QObject* o, QEvent* e) {
   return false;
 }
 
+void GlobalSearchWidget::setFocus(Qt::FocusReason reason) {
+  ui_->search->setFocus(reason);
+}
+
 void GlobalSearchWidget::LazyLoadArt(const QModelIndex& proxy_index) {
   if (!proxy_index.isValid() || proxy_index.data(Role_LazyLoadingArt).isValid()) {
     return;

src/globalsearch/globalsearchwidget.h

@@ -55,6 +55,7 @@ public:
 
   // QWidget
   bool eventFilter(QObject* o, QEvent* e);
+  void setFocus(Qt::FocusReason reason);
 
 signals:
   void AddToPlaylist(QMimeData* data);

src/ui/mainwindow.cpp

@@ -2250,4 +2250,5 @@ void MainWindow::ShowGlobalSearch() {
   css_loader->SetStyleSheet(popup, ":mainwindow.css");
   connect(popup, SIGNAL(AddToPlaylist(QMimeData*)), SLOT(AddToPlaylist(QMimeData*)));
   popup->show();
+  popup->setFocus();
 }