major ui reworkHEADmain

1 files changed, 47 insertions, 0 deletions

diff --git a/src/ui/current_system_widget.rs b/src/ui/current_system_widget.rs
new file mode 100644
index 0000000..f7aa940
--- /dev/null
+++ b/src/ui/current_system_widget.rs
@@ -0,0 +1,47 @@
+use crate::solar_system::{SolarSystem, SystemId};
+
+pub struct CurrentSystemWidget<'frame>
+{
+    star_systems: &'frame [SolarSystem],
+    current_system: &'frame mut Option<SystemId>,
+}
+
+impl<'frame> CurrentSystemWidget<'frame> {
+    pub fn new(
+        star_systems: &'frame [SolarSystem],
+        current_system: &'frame mut Option<SystemId>)
+    -> Self {
+        Self {
+            star_systems,
+            current_system
+        }
+    }
+}
+
+impl<'frame> egui::Widget for CurrentSystemWidget<'frame>
+{
+    fn ui(self, ui: &mut egui::Ui) -> egui::Response {
+        let selected_label = match self.current_system {
+            Some(id) => &self.star_systems[*id].name(),
+            None => "Click to open"
+        };
+
+        ui.vertical(|vertical| {
+            vertical.label("Current System");
+            let resp = egui::ComboBox::new("current_system", egui::WidgetText::default())
+                .selected_text(selected_label)
+                .show_ui(vertical, 
+            |combo_box| {
+                for system in self.star_systems.iter() {
+                let entry_value = Some(system.id());
+                combo_box.selectable_value(
+                    self.current_system, 
+                    entry_value,
+                    system.name());
+                }
+            });
+
+            resp.response
+        }).inner
+    }
+}