Merge pull request #50 from barzamin/39-combobox-get-selected

implement Combobox::selected()

Author: NoraCodes

CHANGELOG.md

@@ -9,6 +9,7 @@ project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 ### Added
 
 - `ProgressBar` control for tracking the completion of a task
+- `Combobox::selected()` method to retrieve the currently selected index of the combobox
 
 ### Changed
 

iui/src/controls/entry.rs

@@ -227,6 +227,11 @@ impl Combobox {
         }
     }
 
+    /// Returns the index of the currently selected option.
+    pub fn selected(&self, _ctx: &UI) -> i32 {
+        unsafe { ui_sys::uiComboboxSelected(self.uiCombobox) }
+    }
+
     pub fn set_selected(&mut self, _ctx: &UI, value: i32) {
         unsafe { ui_sys::uiComboboxSetSelected(self.uiCombobox, value) }
     }