Add ability to disable TopMenu Title Caching (bug 6034, r=dvander).

extensions/topmenus/TopMenu.cpp

@@ -49,6 +49,7 @@ TopMenu::TopMenu(ITopMenuObjectCallbacks *callbacks)
 	m_SerialNo = 1;
 	m_pTitle = callbacks;
 	m_max_clients = 0;
+	m_bCacheTitles = true;
 
 	if (playerhelpers->IsServerActivated())
 	{
@@ -421,6 +422,13 @@ bool TopMenu::DisplayMenu(int client, unsigned int hold_time, TopMenuPosition po
 		return false;
 	}
 
+	if (!m_bCacheTitles)
+	{
+		char renderbuf[128];
+		m_pTitle->OnTopMenuDisplayTitle(this, client, 0, renderbuf, sizeof(renderbuf));
+		pClient->root->SetDefaultTitle(renderbuf);
+	}
+
 	bool return_value = false;
 
 	if (position == TopMenuPosition_LastCategory && 
@@ -460,6 +468,18 @@ bool TopMenu::DisplayCategory(int client, unsigned int category, unsigned int ho
 
 	topmenu_player_category_t *player_cat = &(pClient->cats[category]);
 
+	// Refresh the title if the topmenu wants that.
+	if (!m_bCacheTitles)
+	{
+		char renderbuf[128];
+		m_Categories[category]->obj->callbacks->OnTopMenuDisplayTitle(this, 
+			client, 
+			m_Categories[category]->obj->object_id, 
+			renderbuf, 
+			sizeof(renderbuf));
+		player_cat->menu->SetDefaultTitle(renderbuf);
+	}
+
 	pClient->last_category = category;
 	if (last_position)
 	{
@@ -473,6 +493,11 @@ bool TopMenu::DisplayCategory(int client, unsigned int category, unsigned int ho
 	return return_value;
 }
 
+void TopMenu::SetTitleCaching(bool cache_titles)
+{
+	m_bCacheTitles = cache_titles;
+}
+
 void TopMenu::OnMenuSelect2(IBaseMenu *menu, int client, unsigned int item, unsigned int item_on_page)
 {
 	const char *item_name = menu->GetItemInfo(item, NULL);
@@ -691,9 +716,12 @@ void TopMenu::UpdateClientRoot(int client, IGamePlayer *pGamePlayer)
 	}
 
 	/* Set the menu's title */
-	char renderbuf[128];
-	m_pTitle->OnTopMenuDisplayTitle(this, client, 0, renderbuf, sizeof(renderbuf));
-	root_menu->SetDefaultTitle(renderbuf);
+	if (m_bCacheTitles)
+	{
+		char renderbuf[128];
+		m_pTitle->OnTopMenuDisplayTitle(this, client, 0, renderbuf, sizeof(renderbuf));
+		root_menu->SetDefaultTitle(renderbuf);
+	}
 
 	/* The client is now fully updated */
 	pClient->root = root_menu;
@@ -810,13 +838,16 @@ void TopMenu::UpdateClientCategory(int client, unsigned int category, bool bSkip
 	}
 
 	/* Set the menu's title */
-	char renderbuf[128];
-	cat->obj->callbacks->OnTopMenuDisplayTitle(this, 
-		client, 
-		cat->obj->object_id, 
-		renderbuf, 
-		sizeof(renderbuf));
-	cat_menu->SetDefaultTitle(renderbuf);
+	if (m_bCacheTitles)
+	{
+		char renderbuf[128];
+		cat->obj->callbacks->OnTopMenuDisplayTitle(this, 
+			client, 
+			cat->obj->object_id, 
+			renderbuf, 
+			sizeof(renderbuf));
+		cat_menu->SetDefaultTitle(renderbuf);
+	}
 
 	/* We're done! */
 	player_cat->menu = cat_menu;

extensions/topmenus/TopMenu.h

@@ -154,6 +154,7 @@ public: //ITextListener_SMC
 	SMCResult ReadSMC_LeavingSection(const SMCStates *states);
 public:
 	unsigned int CalcMemUsage();
+	void SetTitleCaching(bool cache_titles);
 private:
 	void SortCategoriesIfNeeded();
 	void SortCategoryIfNeeded(unsigned int category);
@@ -181,6 +182,7 @@ private:
 	ITopMenuObjectCallbacks *m_pTitle;		/* Title callbacks */
 	int m_max_clients;						/* Maximum number of clients */
 	bool m_bCatsNeedResort;					/* True if categories need a resort */
+	bool m_bCacheTitles;						/* True if the categorie titles should be cached */
 };
 
 unsigned int strncopy(char *dest, const char *src, size_t count);

extensions/topmenus/smn_topmenus.cpp

@@ -374,6 +374,23 @@ static cell_t GetTopMenuName(IPluginContext *pContext, const cell_t *params)
 	return strncopy(buffer, str, params[4]);
 }
 
+static cell_t SetTopMenuTitleCaching(IPluginContext *pContext, const cell_t *params)
+{
+	HandleError err;
+	TopMenu *pMenu;
+	HandleSecurity sec(pContext->GetIdentity(), myself->GetIdentity());
+
+	if ((err = handlesys->ReadHandle(params[1], hTopMenuType, &sec, (void **)&pMenu))
+		!= HandleError_None)
+	{
+		return pContext->ThrowNativeError("Invalid Handle %x (error: %d)", params[1], err);
+	}
+
+	bool cache_titles = params[2]==1?true:false;
+	pMenu->SetTitleCaching(cache_titles);
+	return 0;
+}
+
 sp_nativeinfo_t g_TopMenuNatives[] = 
 {
 	{"AddToTopMenu",			AddToTopMenu},
@@ -384,5 +401,6 @@ sp_nativeinfo_t g_TopMenuNatives[] =
 	{"FindTopMenuCategory",		FindTopMenuCategory},
 	{"GetTopMenuInfoString",	GetTopMenuInfoString},
 	{"GetTopMenuObjName",		GetTopMenuName},
+	{"SetTopMenuTitleCaching",		SetTopMenuTitleCaching},
 	{NULL,					NULL},
 };

plugins/include/topmenus.inc

@@ -258,6 +258,17 @@ native bool:DisplayTopMenu(Handle:topmenu, client, TopMenuPosition:position);
  */
 native TopMenuObject:FindTopMenuCategory(Handle:topmenu, const String:name[]);
 
+/**
+ * Change the menu title caching behaviour of the TopMenu. By default the titles are cached to reduce overhead.
+ * If you need dynamic menu titles, which can change everytime the menu is displayed to a user, set this to false.
+ *
+ * @param topmenu       TopMenu Handle.
+ * @param cache_titles  Cache the menu titles and don't call the handler with TopMenuAction_DisplayTitle everytime the menu is drawn?
+ * @noreturn
+ * @error               Invalid TopMenu Handle
+ */
+native SetTopMenuTitleCaching(Handle:topmenu, bool:cache_titles);
+
 /**
  * Do not edit below this line!
  */
@@ -286,5 +297,6 @@ public __ext_topmenus_SetNTVOptional()
 	MarkNativeAsOptional("RemoveFromTopMenu");
 	MarkNativeAsOptional("DisplayTopMenu");
 	MarkNativeAsOptional("FindTopMenuCategory");
+	MarkNativeAsOptional("SetTopMenuTitleCaching");
 }
 #endif