Working on zooming and scrolling of the image. Want to do a full input chain like I did the raycaster, but I don't know if I want to commit to SFML for my windowing...

src/input.rs

@@ -1,25 +1,31 @@
 use std::collections::HashSet;
-use sfml::window::{Key, Event};
+use sfml::window::{Key, Event, mouse::Button};
 
 
 pub struct Input {
-    held_keys: HashSet<Key>
+    held_keys: HashSet<Key>,
+    held_mouse: HashSet<u8>,
 }
 
 impl Input {
     pub fn new() -> Input {
 
-        let mut container = HashSet::new();
-
+        let mut key_container = HashSet::new();
+        let mut mouse_container = HashSet::new();
         Input {
-            held_keys: container,
+            held_keys: key_container,
+            held_mouse: mouse_container,
         }
     }
 
-    pub fn is_held(&self, key: Key) -> bool{
+    pub fn is_held(&self, key: Key) -> bool {
         self.held_keys.contains(&key)
     }
 
+    pub fn is_mousebutton_held(&self, button: Button) -> bool {
+        self.held_mouse.contains(&(button as u8))
+    }
+
     pub fn ingest(&mut self, event: &Event) {
         match event {
             Event::KeyPressed { code, .. } => {
@@ -28,6 +34,12 @@ impl Input {
             Event::KeyReleased { code, .. } => {
                 self.held_keys.remove(code);
             }
+            Event::MouseButtonPressed { button, x, y } => {
+                self.held_mouse.insert(button.clone() as u8);
+            },
+            Event::MouseButtonReleased { button, x, y } => {
+                self.held_mouse.insert(button.clone() as u8);
+            },
             _ => {}
         }
     }