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)

---
 src/mir_app/src/chat_svc.cpp        |  5 ++++-
 src/mir_app/src/srmm_statusicon.cpp | 39 +++++++++++++++++++++++++++++++++++++
 src/mir_app/src/stdafx.h            |  1 +
 3 files changed, 44 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/mir_app/src/chat_svc.cpp b/src/mir_app/src/chat_svc.cpp
index c08fe1cc98..c831ea9c7e 100644
--- a/src/mir_app/src/chat_svc.cpp
+++ b/src/mir_app/src/chat_svc.cpp
@@ -42,7 +42,9 @@ static HANDLE
    hEventDoubleclicked = nullptr,
    hEventJoinChat = nullptr,
    hEventLeaveChat = nullptr,
-   hHookEvent = nullptr;
+	hHookEvent = nullptr;
+
+void SrmmModulesLoaded();
 
 /////////////////////////////////////////////////////////////////////////////////////////
 // Post-load event hooks
@@ -808,6 +810,7 @@ static int PrebuildContactMenu(WPARAM hContact, LPARAM)
 
 static int ModulesLoaded(WPARAM, LPARAM)
 {
+	SrmmModulesLoaded();
 	LoadChatIcons();
 
 	HookEvent(ME_SMILEYADD_OPTIONSCHANGED, SmileyOptionsChanged);
diff --git a/src/mir_app/src/srmm_statusicon.cpp b/src/mir_app/src/srmm_statusicon.cpp
index b3686575ad..e02f9fc306 100644
--- a/src/mir_app/src/srmm_statusicon.cpp
+++ b/src/mir_app/src/srmm_statusicon.cpp
@@ -266,12 +266,51 @@ void KillModuleSrmmIcons(HPLUGIN pPlugin)
 			arIcons.removeItem(&it);
 }
 
+/////////////////////////////////////////////////////////////////////////////////////////
+
+static HGENMENU hmiEmpty;
+
+static INT_PTR svcEmptyHistory(WPARAM hContact, LPARAM)
+{
+	if (IDYES != MessageBoxW(nullptr, TranslateT("Are you sure to remove all events from history?"), L"Miranda", MB_YESNOCANCEL | MB_ICONQUESTION))
+		return 1;
+
+	DB::ECPTR pCursor(DB::Events(hContact));
+	while (pCursor.FetchNext())
+		pCursor.DeleteEvent();
+	return 0;
+}
+
+static int OnPrebuildContactMenu(WPARAM hContact, LPARAM)
+{
+	Menu_ShowItem(hmiEmpty, db_event_first(hContact) != 0);
+	return 0;
+}
+
+void SrmmModulesLoaded()
+{
+	// menu item
+	CMenuItem mi(&g_plugin);
+	SET_UID(mi, 0x0d4306aa, 0xe31e, 0x46ee, 0x89, 0x88, 0x3a, 0x2e, 0x05, 0xa6, 0xf3, 0xbc);
+	mi.pszService = MS_HISTORY_EMPTY;
+	mi.name.a = LPGEN("Empty history");
+	mi.position = 1000090001;
+	mi.hIcon = Skin_LoadIcon(SKINICON_OTHER_DELETE);
+	hmiEmpty = Menu_AddContactMenuItem(&mi);
+
+	HookEvent(ME_CLIST_PREBUILDCONTACTMENU, OnPrebuildContactMenu);
+}
+
+/////////////////////////////////////////////////////////////////////////////////////////
+
 int LoadSrmmModule()
 {
 	g_hCurHyperlinkHand = LoadCursor(nullptr, IDC_HAND);
 
 	LoadSrmmToolbarModule();
 
+	CreateServiceFunction(MS_HISTORY_EMPTY, svcEmptyHistory);
+
 	hHookSrmmEvent = CreateHookableEvent(ME_MSG_WINDOWEVENT);
 	hHookIconsChanged = CreateHookableEvent(ME_MSG_ICONSCHANGED);
 	hHookIconPressedEvt = CreateHookableEvent(ME_MSG_ICONPRESSED);
diff --git a/src/mir_app/src/stdafx.h b/src/mir_app/src/stdafx.h
index 890c13c082..db5ce33430 100644
--- a/src/mir_app/src/stdafx.h
+++ b/src/mir_app/src/stdafx.h
@@ -75,6 +75,7 @@ typedef struct SslHandle *HSSL;
 #include <m_file.h>
 #include <m_findadd.h>
 #include <m_gui.h>
+#include <m_history.h>
 #include <m_hpp.h>
 #include <m_icolib.h>
 #include <m_idle.h>
-- 
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