2 files changed, 20 insertions, 0 deletions
diff --git a/src/gui/npcdialog.cpp b/src/gui/npcdialog.cpp
index f4d99cc79..2271a0bc7 100644
--- a/src/gui/npcdialog.cpp
+++ b/src/gui/npcdialog.cpp
@@ -66,6 +66,7 @@
 #define CAPTION_SUBMIT _("Submit")
 
 NpcDialog::DialogList NpcDialog::instances;
+NpcDialogs NpcDialog::mNpcDialogs;
 
 typedef std::vector<Image *>::iterator ImageVectorIter;
 
@@ -774,3 +775,15 @@ void NpcDialog::clearRows()
 {
     mTextBox->clearRows();
 }
+
+void NpcDialog::clearDialogs()
+{
+    NpcDialogs::iterator it = mNpcDialogs.begin();
+    const NpcDialogs::iterator it_end = mNpcDialogs.end();
+    while (it != it_end)
+    {
+        delete (*it).second;
+        ++ it;
+    }
+    mNpcDialogs.clear();
+}
diff --git a/src/gui/npcdialog.h b/src/gui/npcdialog.h
index 3cdb39511..8a4e5b614 100644
--- a/src/gui/npcdialog.h
+++ b/src/gui/npcdialog.h
@@ -41,11 +41,14 @@ class BrowserBox;
 class ExtendedListBox;
 class ItemLinkHandler;
 class IntTextField;
+class NpcDialog;
 class PlayerBox;
 class ScrollArea;
 class TextBox;
 class TextField;
 
+typedef std::map<int, NpcDialog*> NpcDialogs;
+
 /**
  * The npc dialog.
  *
@@ -202,6 +205,10 @@ class NpcDialog final : public Window,
 
         void clearRows();
 
+        static NpcDialogs mNpcDialogs;
+
+        static void clearDialogs();
+
     private:
         typedef std::list<NpcDialog*> DialogList;
         static DialogList instances;