chore: tweak ux for particles

src/particlelistmodel.cpp

@@ -1,4 +1,6 @@
 #include "particlelistmodel.h"
+#include <QApplication>
+#include <QStyle>
 
 ParticleListModel::ParticleListModel(Data *data, QObject *parent)
     : QAbstractListModel(parent), m_data(data), m_currentStreamId()
@@ -22,7 +24,7 @@ int ParticleListModel::rowCount(const QModelIndex &parent) const
 
 QVariant ParticleListModel::data(const QModelIndex &index, int role) const
 {
-  if (!index.isValid() || role != Qt::DisplayRole)
+  if (!index.isValid())
   {
     return QVariant();
   }
@@ -41,15 +43,33 @@ QVariant ParticleListModel::data(const QModelIndex &index, int role) const
 
   const Particle &particle = particles.at(index.row());
 
-  // Show dot (•) for unseen, nothing for seen
-  if (particle.seen)
+  if (role == Qt::DisplayRole)
   {
-    return particle.type;
+    QString emailPrefix = particle.createdBy.split("@")[0];
+    QString display = QString("[%1] - %2").arg(emailPrefix, particle.summary);
+    if (!particle.seen)
+    {
+      display += "  •";
+    }
+    return display;
   }
-  else
+  else if (role == Qt::DecorationRole)
   {
-    return QString("%1  •").arg(particle.type);
+    // Return icon based on type
+    QStyle::StandardPixmap pixmap;
+    if (particle.type == "text")
+      pixmap = QStyle::SP_FileIcon;
+    else if (particle.type == "link")
+      pixmap = QStyle::SP_CommandLink;
+    else if (particle.type == "image")
+      pixmap = QStyle::SP_FileDialogContentsView;
+    else
+      return QVariant();
+
+    return qApp->style()->standardIcon(pixmap);
   }
+
+  return QVariant();
 }
 
 void ParticleListModel::setStreamId(const QString &streamId)
@@ -75,5 +95,17 @@ int ParticleListModel::firstUnseenRow() const
     }
   }
 
-  return -1;  // All seen or empty
+  return -1; // All seen or empty
+}
+
+const Particle *ParticleListModel::particleAtRow(int row) const
+{
+  if (m_currentStreamId.isEmpty())
+    return nullptr;
+
+  const QList<Particle> &particles = m_data->particlesForStream(m_currentStreamId);
+  if (row >= 0 && row < particles.size())
+    return &particles.at(row);
+
+  return nullptr;
 }