Implement CatalogComponent::findByName method for custom catalogs.

kstars/skycomponents/catalogcomponent.cpp

@@ -128,11 +128,13 @@ void CatalogComponent::_loadData(bool includeCatalogDesignation)
             if (!dupName)
             {
                 objectLists(obj->type()).append(QPair<QString, const SkyObject *>(name, obj));
+                nameHash[name.toLower()] = obj;
             }
 
             if (!longname.isEmpty() && !dupLongname && name != longname)
             {
                 objectLists(obj->type()).append(QPair<QString, const SkyObject *>(longname, obj));
+                nameHash[longname.toLower()] = obj;
             }
         }
     }
@@ -255,3 +257,10 @@ bool CatalogComponent::selected()
 
     return false;
 }
+
+SkyObject *CatalogComponent::findByName(const QString &name)
+{
+    if (nameHash.contains(name.toLower()))
+        return nameHash[name.toLower()];
+    return nullptr;
+}

kstars/skycomponents/catalogcomponent.h

@@ -53,6 +53,8 @@ class CatalogComponent : public ListComponent
 
     void update(KSNumbers *num) override;
 
+    SkyObject *findByName(const QString &name) override;
+
     /** @return the name of the catalog */
     inline QString name() const { return m_catName; }
 
@@ -97,4 +99,10 @@ class CatalogComponent : public ListComponent
     bool m_Showerrs { false };
     int m_ccIndex { 0 };
     quint32 updateID { 0 };
+
+  private:
+    // FIXME: Keeping both the objectNames data structure and the
+    // nameHash seems overkill -- asimha
+    QHash<QString, SkyObject *> nameHash;
+
 };

kstars/skycomponents/deepskycomponent.h

@@ -171,6 +171,8 @@ class DeepSkyComponent : public SkyComponent
 
     void appendIndex(DeepSkyObject *o, DeepSkyIndex *dsIndex, Trixel trixel);
 
+    // FIXME: Keeping both the objectNames data structure and the
+    // nameHash seems overkill -- asimha
     QHash<QString, DeepSkyObject *> nameHash;
 
     /** @short adds a label to the lists of labels to be drawn prioritized by magnitude. */