Added a few more dialogs and models

spritesmodel.cpp

@@ -1,29 +1,53 @@
 #include "spritesmodel.h"
 
 #include <QPixmap>
+#include <QDebug>
 
-SpritesModel::SpritesModel(QObject *parent)
-    : QAbstractListModel{parent}
+SpritesModel::SpritesModel(const std::vector<QPixmap> &pixmaps, QObject *parent) :
+    QAbstractListModel{parent},
+    m_pixmaps{pixmaps}
 {
 }
 
 int SpritesModel::rowCount(const QModelIndex &parent) const
 {
-    return 100;
+    return m_pixmaps.size();
 }
 
 QVariant SpritesModel::data(const QModelIndex &index, int role) const
 {
+    if (index.column() != 0)
+        return {};
+
     switch (role)
     {
     case Qt::DisplayRole:
     case Qt::EditRole:
         return tr("image %0").arg(index.row());
     case Qt::DecorationRole:
-        QPixmap pixmap{64, 64};
-        pixmap.fill(Qt::black);
+        if (index.row() < 0 || index.row() >= m_pixmaps.size())
+        {
+            qWarning() << "invalid row" << index.row();
+            return {};
+        }
+
+        const auto &pixmap = m_pixmaps.at(index.row());
+        if (pixmap.isNull())
+        {
+            QPixmap pixmap{32, 32};
+            pixmap.fill(Qt::white);
+            return pixmap;
+        }
         return pixmap;
     }
 
     return {};
 }
+
+const QPixmap &SpritesModel::pixmap(const QModelIndex &index) const
+{
+    if (index.row() < 0 || index.row() >= m_pixmaps.size())
+        qFatal("index out of range");
+
+    return m_pixmaps.at(index.row());
+}