From 8b89f9f49d6e46e07c2f79bfa4b97ca8476bfc04 Mon Sep 17 00:00:00 2001
From: Mikaël Capelle <capelle.mikael@gmail.com>
Date: Mon, 28 Dec 2020 18:04:18 +0100
Subject: Better drag handling.

---
 src/modlistsortproxy.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/modlistsortproxy.cpp')

diff --git a/src/modlistsortproxy.cpp b/src/modlistsortproxy.cpp
index e86c6f34..cf82ca74 100644
--- a/src/modlistsortproxy.cpp
+++ b/src/modlistsortproxy.cpp
@@ -618,6 +618,26 @@ bool ModListSortProxy::filterAcceptsRow(int row, const QModelIndex &parent) cons
   }
 }
 
+bool ModListSortProxy::canDropMimeData(const QMimeData* data, Qt::DropAction action, int row, int column, const QModelIndex& parent) const
+{
+  if (!data->hasUrls() && sortColumn() != ModList::COL_PRIORITY) {
+    return false;
+  }
+
+  // disable drop install with group proxy, except the one for collapsible separator
+  // - it would be nice to be able to "install to category" or something like that but
+  //   it's a bit more complicated since the drop position is based on the category, so
+  //   just disabling for now
+  if (data->hasText() && data->text() == "archive") {
+    // maybe there is a cleaner way?
+    if (qobject_cast<QtGroupingProxy*>(sourceModel())) {
+      return false;
+    }
+  }
+
+  return QSortFilterProxyModel::canDropMimeData(data, action, row, column, parent);
+}
+
 bool ModListSortProxy::dropMimeData(const QMimeData *data, Qt::DropAction action,
                                     int row, int column, const QModelIndex &parent)
 {
-- 
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