Got some buttons for controlling the machine.

src/control_panel.cpp

@@ -7,12 +7,22 @@ ControlPanel::ControlPanel() {
 
 void ControlPanel::init(sf::Vector2f size) {
   $gui.position(0, size.y, size.x, WINDOW_HEIGHT - size.y);
-  $gui.layout("[buttons|code]");
+  $gui.layout(
+      "[pause  |*%(200, 400)code|_]"
+      "[step   |_|_]"
+      "[play   |_|_]"
+      "[restart|_|_]"
+      );
 
   for(auto& [name, cell] : $gui.cells()) {
     auto id = $gui.entity(name);
     $gui.set<guecs::Rectangle>(id, {});
     $gui.set<guecs::Text>(id, {guecs::to_wstring(name)});
+    if(name != "code") {
+      $gui.set<guecs::Clickable>(id, {[name](auto) {
+          fmt::println("CLICKED {}", name);
+      }});
+    }
   }
 
   $gui.init();
@@ -24,3 +34,7 @@ void ControlPanel::render(sf::RenderTarget& window) {
 
 void ControlPanel::update(Chip8& vm) {
 }
+
+bool ControlPanel::mouse(float x, float y, guecs::Modifiers mods) {
+  return $gui.mouse(x, y, mods);
+}

src/control_panel.hpp

@@ -12,4 +12,5 @@ struct ControlPanel {
   void init(sf::Vector2f size);
   void render(sf::RenderTarget& window);
   void update(Chip8& vm);
+  bool mouse(float x, float y, guecs::Modifiers mods);
 };

src/display.cpp

@@ -42,6 +42,10 @@ void Display::handle_inputs(Chip8& vm) {
     } else if(const auto* key = event->getIf<sf::Event::KeyReleased>()) {
       vm.handle_keyboard(key->scancode, false);
     }
+
+    if(const auto* ev = event->getIf<sf::Event::MouseButtonPressed>()) {
+      $control.mouse(ev->position.x, ev->position.y, {1 << guecs::ModBit::left});
+    }
   }
 }