count only the selectable items at MyAdapter actionmenu

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/DayEventsAdapter.kt

@@ -22,6 +22,8 @@ class DayEventsAdapter(activity: SimpleActivity, val events: List<Event>, val li
 
     override fun getActionMenuId() = R.menu.cab_day
 
+    override fun getSelectableItemCount() = events.size
+
     override fun markItemSelection(select: Boolean, pos: Int) {
         itemViews[pos].event_item_frame.isSelected = select
     }

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/EventListAdapter.kt

@@ -32,6 +32,8 @@ class EventListAdapter(activity: SimpleActivity, val listItems: List<ListItem>,
 
     override fun getActionMenuId() = R.menu.cab_event_list
 
+    override fun getSelectableItemCount() = listItems.filter { it is ListEvent }.size
+
     override fun markItemSelection(select: Boolean, pos: Int) {
         itemViews[pos]?.event_item_frame?.isSelected = select
     }

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/EventTypeAdapter.kt

@@ -19,6 +19,8 @@ class EventTypeAdapter(activity: SimpleActivity, val eventTypes: List<EventType>
 
     override fun getActionMenuId() = R.menu.cab_event_type
 
+    override fun getSelectableItemCount() = eventTypes.size
+
     override fun markItemSelection(select: Boolean, pos: Int) {
         itemViews[pos].event_item_frame.isSelected = select
     }

app/src/main/kotlin/com/simplemobiletools/calendar/adapters/MyAdapter.kt

@@ -26,6 +26,8 @@ abstract class MyAdapter(val activity: SimpleActivity, val itemClick: (Any) -> U
 
     abstract fun getActionMenuId(): Int
 
+    abstract fun getSelectableItemCount(): Int
+
     abstract fun markItemSelection(select: Boolean, pos: Int)
 
     abstract fun actionItemPressed(id: Int)
@@ -50,7 +52,7 @@ abstract class MyAdapter(val activity: SimpleActivity, val itemClick: (Any) -> U
     }
 
     private fun updateTitle(cnt: Int) {
-        actMode?.title = "$cnt / $itemCount"
+        actMode?.title = "$cnt / ${getSelectableItemCount()}"
         actMode?.invalidate()
     }