Qt: draw border around selected grid item

ui/drivers/qt/ui_qt_themes.h

@@ -9,6 +9,9 @@ static const QString qt_theme_default_stylesheet = QStringLiteral(""
    "   background-color: transparent;\n"
    "   border: 1px solid #ddd;\n"
    "}\n"
+   "ThumbnailWidget, ThumbnailLabel, QLabel#thumbnailQLabel {\n"
+   "   background-color:#555555;\n"
+   "}\n"
 );
 
 static const QString qt_theme_dark_stylesheet = QStringLiteral(""
@@ -386,4 +389,7 @@ static const QString qt_theme_dark_stylesheet = QStringLiteral(""
    "QSizeGrip {\n"
    "   background-color:solid;\n"
    "}\n"
+   "ThumbnailWidget, ThumbnailLabel, QLabel#thumbnailQLabel {\n"
+   "   background-color:#555555;\n"
+   "}\n"
 );

ui/drivers/qt/ui_qt_window.cpp

@@ -541,6 +541,7 @@ MainWindow::MainWindow(QWidget *parent) :
    ,m_gridProgressWidget(NULL)
    ,m_currentGridHash()
    ,m_lastViewType(m_viewType)
+   ,m_currentGridWidget(NULL)
 {
    settings_t *settings = config_get_ptr();
    QDir playlistDir(settings->paths.directory_playlist);
@@ -791,8 +792,18 @@ void MainWindow::onGridItemClicked()
    if (!w)
       return;
 
-   hash = w->property("hash").value<QHash<QString, QString> >();
+   if (m_currentGridWidget)
+   {
+      m_currentGridWidget->setObjectName("thumbnailWidget");
+      m_currentGridWidget->setFrameStyle(QFrame::Plain);
+   }
 
+   hash = w->property("hash").value<QHash<QString, QString> >();
+   w->setObjectName("thumbnailWidgetSelected");
+   w->setFrameStyle(QFrame::Box | QFrame::Plain);
+   w->setLineWidth(2);
+
+   m_currentGridWidget = w;
    m_currentGridHash = hash;
 
    currentItemChanged(hash);
@@ -3239,9 +3250,10 @@ void MainWindow::addPlaylistHashToGrid(const QVector<QHash<QString, QString> > &
       item->widget->setSizeHint(thumbnailWidgetSizeHint);
       item->widget->setFixedSize(item->widget->sizeHint());
       item->widget->setLayout(new QVBoxLayout());
-      item->widget->setStyleSheet("background-color: #555555");
+      item->widget->setObjectName("thumbnailWidget");
-
       item->widget->setProperty("hash", QVariant::fromValue<QHash<QString, QString> >(hash));
+      item->widget->setFrameStyle(QFrame::Plain);
+      item->widget->setLineWidth(0);
 
       connect(item->widget, SIGNAL(mouseDoubleClicked()), this, SLOT(onGridItemDoubleClicked()));
       connect(item->widget, SIGNAL(mousePressed()), this, SLOT(onGridItemClicked()));
@@ -3255,6 +3267,7 @@ void MainWindow::addPlaylistHashToGrid(const QVector<QHash<QString, QString> > &
       item->widget->layout()->addWidget(label);
 
       newLabel = new QLabel(hash.value("label"), item->widget);
+      newLabel->setObjectName("thumbnailQLabel");
       newLabel->setAlignment(Qt::AlignCenter);
 
       item->widget->layout()->addWidget(newLabel);
@@ -3293,6 +3306,15 @@ void MainWindow::initContentGridLayout()
 
    m_currentGridHash.clear();
 
+   if (m_currentGridWidget)
+   {
+      m_currentGridWidget->setObjectName("thumbnailWidget");
+      m_currentGridWidget->setFrameStyle(QFrame::Plain);
+      m_currentGridWidget->setLineWidth(0);
+   }
+
+   m_currentGridWidget = NULL;
+
    path = item->data(Qt::UserRole).toString();
 
    if (path == ALL_PLAYLISTS_TOKEN)
@@ -3337,6 +3359,15 @@ void MainWindow::initContentTableWidget()
 
    m_currentGridHash.clear();
 
+   if (m_currentGridWidget)
+   {
+      m_currentGridWidget->setObjectName("thumbnailWidget");
+      m_currentGridWidget->setFrameStyle(QFrame::Plain);
+      m_currentGridWidget->setLineWidth(0);
+   }
+
+   m_currentGridWidget = NULL;
+
    horizontal_header_labels << msg_hash_to_str(MENU_ENUM_LABEL_VALUE_QT_NAME);
 
    m_tableWidget->clear();

ui/drivers/ui_qt.cpp

@@ -56,7 +56,7 @@ typedef struct ui_companion_qt
 } ui_companion_qt_t;
 
 ThumbnailWidget::ThumbnailWidget(QWidget *parent) :
-   QWidget(parent)
+   QFrame(parent)
    ,m_sizeHint(QSize(256, 256))
 {
 }
@@ -85,7 +85,7 @@ void ThumbnailWidget::paintEvent(QPaintEvent *event)
       QStyle::PE_Widget, &o, &p, this);
    p.end();
 
-   QWidget::paintEvent(event);
+   QFrame::paintEvent(event);
 }
 
 void ThumbnailWidget::resizeEvent(QResizeEvent *event)

ui/drivers/ui_qt.h

@@ -22,6 +22,7 @@
 #include <QMainWindow>
 #include <QTreeView>
 #include <QTableWidget>
+#include <QFrame>
 #include <QWidget>
 #include <QDialog>
 #include <QLabel>
@@ -81,11 +82,13 @@ public:
    QFutureWatcher<GridItem*> imageWatcher;
 };
 
-class ThumbnailWidget : public QWidget
+class ThumbnailWidget : public QFrame
 {
    Q_OBJECT
 public:
    ThumbnailWidget(QWidget *parent = 0);
+   ThumbnailWidget(const ThumbnailWidget& other) { assert(false && "DONT EVER USE THIS"); }
+
    QSize sizeHint() const;
    void setSizeHint(QSize size);
 signals:
@@ -419,12 +422,14 @@ private:
    QWidget *m_gridProgressWidget;
    QHash<QString, QString> m_currentGridHash;
    ViewType m_lastViewType;
+   QPointer<ThumbnailWidget> m_currentGridWidget;
 
 protected:
    void closeEvent(QCloseEvent *event);
    void keyPressEvent(QKeyEvent *event);
 };
 
+Q_DECLARE_METATYPE(ThumbnailWidget)
 Q_DECLARE_METATYPE(QPointer<ThumbnailWidget>)
 
 RETRO_BEGIN_DECLS