Added the functions GetNumItemsPerPage, GetTopItemIdxToTopOfLastPage, and...

Added the functions GetNumItemsPerPage, GetTopItemIdxToTopOfLastPage, and SetTopItemIdxToTopOfLastPage.

exec/load/DDLightbarMenu.js

@@ -248,6 +248,9 @@ function DDLightbarMenu(pX, pY, pWidth, pHeight)
 	this.RemoveAllItemHotkeys = DDLightbarMenu_RemoveAllItemHotkeys;
 	this.GetVal = DDLightbarMenu_GetVal;
 	this.SetBorderChars = DDLightbarMenu_SetBorderChars;
+	this.GetNumItemsPerPage = DDLightbarMenu_GetNumItemsPerPage;
+	this.GetTopItemIdxToTopOfLastPage = DDLightbarMenu_GetTopItemIdxToTopOfLastPage;
+	this.SetTopItemIdxToTopOfLastPage = DDLightbarMenu_SetTopItemIdxToTopOfLastPage;
 
 	// Set some things based on the parameters passed in
 	if ((typeof(pX) == "number") && (typeof(pY) == "number"))
@@ -1113,6 +1116,33 @@ function DDLightbarMenu_SetBorderChars(pBorderChars)
 	}
 }
 
+// Returns the number of (possible) items per page
+function DDLightbarMenu_GetNumItemsPerPage()
+{
+	var numItemsPerPage = this.size.height;
+	if (this.borderEnabled)
+		numItemsPerPage -= 2;
+	return numItemsPerPage;
+}
+
+// Gets the top item index of the last page of items
+function DDLightbarMenu_GetTopItemIdxToTopOfLastPage()
+{
+	var numItemsPerPage = this.size.height;
+	if (this.borderEnabled)
+		numItemsPerPage -= 2;
+	return this.items.length - numItemsPerPage;
+}
+
+// Sets the top item index to the top item of the last page of items
+function DDLightbarMenu_SetTopItemIdxToTopOfLastPage()
+{
+	var numItemsPerPage = this.size.height;
+	if (this.borderEnabled)
+		numItemsPerPage -= 2;
+	this.topItemIdx = this.items.length - numItemsPerPage;
+}
+
 // Inputs a keypress from the user and handles some ESC-based
 // characters such as PageUp, PageDown, and ESC.  If PageUp
 // or PageDown are pressed, this function will return the