From a0bc76d98344c3198668ff3d4fbd81c72b94d05d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Sch=C3=BCrmann?= <daschuer@mixxx.org>
Date: Tue, 19 Sep 2023 22:05:16 +0200
Subject: [PATCH] refresh tooltip

---
 src/library/basetracktablemodel.cpp |  2 +-
 src/widget/wlibrarytableview.cpp    | 23 +++++++++++++++++++++++
 src/widget/wlibrarytableview.h      |  5 +++++
 3 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/src/library/basetracktablemodel.cpp b/src/library/basetracktablemodel.cpp
index ae2cffe22b19..83243cb740ed 100644
--- a/src/library/basetracktablemodel.cpp
+++ b/src/library/basetracktablemodel.cpp
@@ -567,7 +567,7 @@ QVariant BaseTrackTableModel::composeCoverArtToolTipHtml(
                 this,
                 coverInfo,
                 absoluteHeightOfCoverartToolTip);
-        return QVariant();
+        return tr("Fetching image ...");
     }
     QByteArray data;
     QBuffer buffer(&data);
diff --git a/src/widget/wlibrarytableview.cpp b/src/widget/wlibrarytableview.cpp
index 9b1943cc5d98..fd8b774769ed 100644
--- a/src/widget/wlibrarytableview.cpp
+++ b/src/widget/wlibrarytableview.cpp
@@ -1,10 +1,13 @@
 #include "widget/wlibrarytableview.h"
 
+#include <QApplication>
 #include <QFocusEvent>
 #include <QFontMetrics>
 #include <QHeaderView>
+#include <QHelpEvent>
 #include <QPalette>
 #include <QScrollBar>
+#include <QToolTip>
 
 #include "library/trackmodel.h"
 #include "moc_wlibrarytableview.cpp"
@@ -391,3 +394,23 @@ QModelIndex WLibraryTableView::moveCursor(CursorAction cursorAction,
 
     return QTableView::moveCursor(cursorAction, modifiers);
 }
+
+void WLibraryTableView::dataChanged(
+        const QModelIndex& topLeft,
+        const QModelIndex& bottomRight,
+        const QVector<int>& roles) {
+    for (auto& role : roles) {
+        // If the tooltip is still visible update with the loaded cover.
+        if (role == Qt::ToolTipRole && QToolTip::isVisible()) {
+            QPoint globalPos = QCursor::pos();
+            QWidget* pViewPort = QApplication::widgetAt(QCursor::pos());
+            if (pViewPort) {
+                QHelpEvent toolTipEvent(QEvent::ToolTip,
+                        pViewPort->mapFromGlobal(globalPos),
+                        globalPos);
+                viewportEvent(&toolTipEvent);
+            }
+        }
+    }
+    QAbstractItemView::dataChanged(topLeft, bottomRight, roles);
+};
diff --git a/src/widget/wlibrarytableview.h b/src/widget/wlibrarytableview.h
index c48a9c171753..4fb63b3932ba 100644
--- a/src/widget/wlibrarytableview.h
+++ b/src/widget/wlibrarytableview.h
@@ -52,6 +52,11 @@ class WLibraryTableView : public QTableView, public virtual LibraryView {
     /// @param optional: index, otherwise row/column member vars are used
     void restoreCurrentIndex(const QModelIndex& index = QModelIndex());
 
+    void dataChanged(
+            const QModelIndex& topLeft,
+            const QModelIndex& bottomRight,
+            const QVector<int>& roles = QVector<int>()) override;
+
   signals:
     void loadTrack(TrackPointer pTrack);
     void loadTrackToPlayer(TrackPointer pTrack, const QString& group, bool play = false);