From c6519db3afea05236cd41a144110a8a74f3daa96 Mon Sep 17 00:00:00 2001
From: George Hazan <ghazan@miranda.im>
Date: Thu, 10 Jun 2021 16:29:02 +0300
Subject: fixes #2914 (unified empty history menu items)

---
 include/delphi/m_history.inc |  6 ++++++
 include/m_history.h          | 20 +++++++++++++++-----
 2 files changed, 21 insertions(+), 5 deletions(-)

(limited to 'include')

diff --git a/include/delphi/m_history.inc b/include/delphi/m_history.inc
index 8900c12791..bba32c8c9f 100644
--- a/include/delphi/m_history.inc
+++ b/include/delphi/m_history.inc
@@ -32,4 +32,10 @@ const
   }
   MS_HISTORY_SHOWCONTACTHISTORY:PAnsiChar = 'History/ShowContactHistory';
 
+  {
+    wParam : TMCONTACT
+    lParam : 0
+  }
+  MS_HISTORY_EMPTY:PAnsiChar = 'History/Empty';
+
 {$ENDIF}
diff --git a/include/m_history.h b/include/m_history.h
index 39e78ad9e2..9a1597da79 100644
--- a/include/m_history.h
+++ b/include/m_history.h
@@ -25,10 +25,20 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #ifndef M_HISTORY_H__
 #define M_HISTORY_H__ 1
 
-//show the History dialog box for a contact
-//  wParam = (MCONTACT)hContact
-//  lParam = 0
-//hContact can be NULL to show system messages
-#define MS_HISTORY_SHOWCONTACTHISTORY       "History/ShowContactHistory"
+/////////////////////////////////////////////////////////////////////////////////////////
+// Shows the History dialog box for a contact
+// wParam = (MCONTACT)hContact
+// lParam = 0 (unused)
+// hContact can be NULL to show system messages
+
+#define MS_HISTORY_SHOWCONTACTHISTORY "History/ShowContactHistory"
+
+/////////////////////////////////////////////////////////////////////////////////////////
+// Empties contact's history
+// wParam = (MCONTACT)hContact
+// lParam = 0 (unused)
+// hContact can be NULL to wipe system history
+
+#define MS_HISTORY_EMPTY "History/EmptyHistory"
 
 #endif // M_HISTORY_H__
-- 
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