DlgTrackInfo: apply pending changes also when saving via hotkey

src/library/dlgtrackinfo.cpp

@@ -77,6 +77,7 @@ void DlgTrackInfo::init() {
         btnPrev->hide();
     }
 
+    // QDialog buttons
     connect(btnApply,
             &QPushButton::clicked,
             this,
@@ -92,6 +93,7 @@ void DlgTrackInfo::init() {
             this,
             &DlgTrackInfo::slotCancel);
 
+    // BPM edit buttons
     connect(bpmDouble,
             &QPushButton::clicked,
             this,
@@ -203,6 +205,7 @@ void DlgTrackInfo::init() {
                 txtTrackNumber->text().trimmed());
     });
 
+    // Import and file browser buttons
     connect(btnImportMetadataFromFile,
             &QPushButton::clicked,
             this,
@@ -218,6 +221,7 @@ void DlgTrackInfo::init() {
             this,
             &DlgTrackInfo::slotOpenInFileBrowser);
 
+    // Cover art
     CoverArtCache* pCache = CoverArtCache::instance();
     if (pCache) {
         connect(pCache,
@@ -483,6 +487,20 @@ void DlgTrackInfo::saveTrack() {
         return;
     }
 
+    // In case Apply is triggered by hotkey AND a QLineEdit with pending changes
+    // is focused AND the user did not hit Enter to finish editing,
+    // the content of that focused line edit would be reset to the last confirmed state.
+    // This hack emits the editingFinished() signal for the focused QLineEdit.
+    if (this == QApplication::activeWindow()) {
+        auto focusWidget = QApplication::focusWidget();
+        if (focusWidget) {
+            QLineEdit* focusedLineEdit = static_cast<QLineEdit*>(focusWidget);
+            if (focusedLineEdit) {
+                emit focusedLineEdit->editingFinished();
+            }
+        }
+    }
+
     // First, disconnect the track changed signal. Otherwise we signal ourselves
     // and repopulate all these fields.
     const QSignalBlocker signalBlocker(this);