feat(cpn): add filenames to model compare (#5187)

companion/src/modelslist.cpp

@@ -318,6 +318,7 @@ QMimeData * ModelsListModel::mimeData(const QModelIndexList & indexes) const
   getModelsMimeData(indexes, mimeData);
   getGeneralMimeData(mimeData);
   getHeaderMimeData(mimeData);
+  getFileMimeData(mimeData);
   return mimeData;
 }
 
@@ -398,6 +399,16 @@ QMimeData *ModelsListModel::getHeaderMimeData(QMimeData * mimeData) const
   return mimeData;
 }
 
+QMimeData *ModelsListModel::getFileMimeData(QMimeData * mimeData) const
+{
+  if (!mimeData)
+    mimeData = new QMimeData();
+  QByteArray mData;
+  encodeFileData(&mData);
+  mimeData->setData("application/x-companion-filedata", mData);
+  return mimeData;
+}
+
 QUuid ModelsListModel::getMimeDataSourceId(const QMimeData * mimeData) const
 {
   MimeHeaderData header;
@@ -429,6 +440,11 @@ bool ModelsListModel::hasHeaderMimeData(const QMimeData * mimeData) const
   return mimeData->hasFormat("application/x-companion-radiodata-header");
 }
 
+bool ModelsListModel::hasFileMimeData(const QMimeData * mimeData) const
+{
+  return mimeData->hasFormat("application/x-companion-filedata");
+}
+
 // returns true if mime data origin was this data model (vs. from another file window)
 bool ModelsListModel::hasOwnMimeData(const QMimeData * mimeData) const
 {
@@ -460,6 +476,11 @@ void ModelsListModel::encodeHeaderData(QByteArray * data) const
   stream << mimeHeaderData.instanceId;
 }
 
+void ModelsListModel::encodeFileData(QByteArray * data) const
+{
+  *data = filename.toLatin1();
+}
+
 // static
 bool ModelsListModel::decodeHeaderData(const QMimeData * mimeData, MimeHeaderData * header)
 {
@@ -472,6 +493,16 @@ bool ModelsListModel::decodeHeaderData(const QMimeData * mimeData, MimeHeaderDat
   return false;
 }
 
+// static
+bool ModelsListModel::decodeFileData(const QMimeData * mimeData, QString * filedata)
+{
+  if (filedata && mimeData->hasFormat("application/x-companion-filedata")) {
+    *filedata = mimeData->data("application/x-companion-filedata").data();
+    return true;
+  }
+  return false;
+}
+
 // static
 bool ModelsListModel::decodeMimeData(const QMimeData * mimeData, QVector<ModelData> * models, GeneralSettings * gs, bool * hasGenSet)
 {
@@ -682,6 +713,11 @@ bool ModelsListModel::isModelIdUnique(unsigned modelIdx, unsigned module, unsign
   return true;
 }
 
+void ModelsListModel::setFilename(QString & name)
+{
+  filename = name;
+}
+
 /*
   ModelsListProxyModel
 */