Add menu_addblank2 and menu_addtext2 to fix unexpected behavior with the original ones when slot=1 (bug 3096, r=Arkshine)

Former-commit-id: b4f84a5cee58d4a8fad716af82bca5b8aa0f5ff2

amxmodx/newmenus.cpp

@@ -129,6 +129,7 @@ menuitem *Menu::AddItem(const char *name, const char *cmd, int access)
 	pItem->access = access;
 	pItem->id = m_Items.size();
 	pItem->handler = -1;
+	pItem->isBlank = false;
 	pItem->pfn = NULL;
 
 	m_Items.push_back(pItem);
@@ -420,6 +421,11 @@ const char *Menu::GetTextString(int player, page_t page, int &keys)
 			}
 		}
 
+		if (pItem->isBlank)
+		{
+			enabled = false;
+		}
+
 		if (enabled)
 		{
 			keys |= (1<<option);
@@ -431,7 +437,11 @@ const char *Menu::GetTextString(int player, page_t page, int &keys)
 			option_display = 0;
 		}
 
-		if (enabled)
+		if (pItem->isBlank)
+		{
+			_snprintf(buffer, sizeof(buffer)-1, "%s\n", pItem->name.c_str());
+		}
+		else if (enabled)
 		{
 			if (m_AutoColors) 
 			{
@@ -679,6 +689,43 @@ static cell AMX_NATIVE_CALL menu_addtext(AMX *amx, cell *params)
 	return 1;
 }
 
+static cell AMX_NATIVE_CALL menu_addblank2(AMX *amx, cell *params)
+{
+	GETMENU(params[1]);
+	
+	if (!pMenu->items_per_page && pMenu->GetItemCount() >= 10)
+	{
+		LogError(amx, AMX_ERR_NATIVE, "Non-paginated menus are limited to 10 items.");
+		return 0;
+	}
+	
+	menuitem *pItem = pMenu->AddItem("", "", 0);
+	pItem->isBlank = true;
+	
+	return 1;
+}
+static cell AMX_NATIVE_CALL menu_addtext2(AMX *amx, cell *params)
+{
+	int len;
+	char *name;
+	
+	GETMENU(params[1]);
+	
+	if (!pMenu->items_per_page && pMenu->GetItemCount() >= 10)
+	{
+		LogError(amx, AMX_ERR_NATIVE, "Non-paginated menus are limited to 10 items.");
+		return 0;
+	}
+	
+	name = get_amxstring(amx, params[2], 0, len);
+	validate_menu_text(name);
+	
+	menuitem *pItem = pMenu->AddItem(name, "", 0);
+	pItem->isBlank = true;
+	
+	return 1;
+}
+
 //Adds an item to the menu (returns current item count - 1)
 //native menu_additem(menu, const name[], const command[]="", access=0);
 static cell AMX_NATIVE_CALL menu_additem(AMX *amx, cell *params)
@@ -1097,5 +1144,7 @@ AMX_NATIVE_INFO g_NewMenuNatives[] =
 	{"menu_setprop",			menu_setprop},
 	{"menu_cancel",				menu_cancel},
 	{"player_menu_info",		player_menu_info},
+	{"menu_addblank2",			menu_addblank2},
+	{"menu_addtext2",			menu_addtext2},
 	{NULL,						NULL},
 };

amxmodx/newmenus.h

@@ -101,6 +101,7 @@ struct menuitem
 	
 	int access;
 	int handler;
+	bool isBlank;
 	
 	MENUITEM_CALLBACK pfn;
 	size_t id;

plugins/include/newmenus.inc

@@ -219,6 +219,9 @@ native player_menu_info(id, &menu, &newmenu, &menupage=0);
 /**
  * Adds a blank line to a menu.
  * 
+ * When using slot=1 this might break your menu. To achieve this functionality
+ * menu_addblank2 should be used.
+ * 
  * @param menu			Menu resource identifier.
  * @param slot			1 (default) if the line should shift the numbering down.
  * 						0 if the line should be a visual shift only.
@@ -230,6 +233,9 @@ native menu_addblank(menu, slot=1);
 /**
  * Adds a text line to a menu.  Only available in amxmodx 1.8.1 and above.
  *
+ * When using slot=1 this might break your menu. To achieve this functionality
+ * menu_addtext2 should be used.
+ * 
  * @param menu			Menu resource identifier.
  * @param text			Text to add.
  * @param slot			1 (default) if the line should shift the numbering down.
@@ -239,6 +245,41 @@ native menu_addblank(menu, slot=1);
  */
 native menu_addtext(menu, const text[], slot=1);
 
+/**
+ * Adds a blank line to a menu, always shifting the numbering down.
+ * 
+ * This will add a special item to create a blank line. It will affect the menu
+ * item count and pagination. These items can be modified later but will ignore 
+ * access and item callback results.
+ * 
+ * Only available in 1.8.3 and above.
+ * 
+ * @param menu          Menu resource identifier.
+ * 
+ * @return              1 on success, 0 on failure.
+ * @error               Invalid menu resource.
+ *                      Too many items on non-paginated menu (max is 10)
+ */
+native menu_addblank2( menu );
+
+/**
+ * Adds a text line to a menu, always shifting the numbering down.
+ * 
+ * This will add a special item to create a blank line. It will affect the menu
+ * item count and pagination. These items can be modified later but will ignore 
+ * access and item callback results.
+ * 
+ * Only available in 1.8.3 and above.
+ *
+ * @param menu          Menu resource identifier.
+ * @param text          Text to add.
+ * 
+ * @return              1 on success, 0 on failure.
+ * @error               Invalid menu resource.
+ *                      Too many items on non-paginated menu (max is 10)
+ */
+native menu_addtext2( menu, const text[] );
+
 /**
  * Sets a menu property.
  *