feat: key pressed event interception & 'owner' input.add_callback third argument

src/graphics/ui/elements/Container.hpp

@@ -2,11 +2,12 @@
 
 #include "UINode.hpp"
 #include "commons.hpp"
+#include "util/ObjectsKeeper.hpp"
 
 #include <vector>
 
 namespace gui {
-    class Container : public UINode {
+    class Container : public UINode, public util::ObjectsKeeper {
         int prevScrollY = -1;
     protected:
         std::vector<std::shared_ptr<UINode>> nodes;

src/graphics/ui/elements/Menu.cpp

@@ -13,11 +13,15 @@ bool Menu::has(const std::string& name) {
            pageSuppliers.find(name) != pageSuppliers.end();
 }
 
-void Menu::addPage(const std::string& name, const std::shared_ptr<UINode> &panel) {
-    pages[name] = Page{name, panel};
+void Menu::addPage(const std::string& name, const std::shared_ptr<UINode>& panel) {
+    pages[name] = Page {name, panel};
 }
 
-void Menu::addSupplier(const std::string &name, const supplier<std::shared_ptr<UINode>> &pageSupplier) {
+void Menu::removePage(const std::string& name) {
+    pages.erase(name);
+}
+
+void Menu::addSupplier(const std::string& name, const supplier<std::shared_ptr<UINode>>& pageSupplier) {
     pageSuppliers[name] = pageSupplier;
 }
 
@@ -89,6 +93,6 @@ void Menu::reset() {
     clearHistory();
     if (current.panel) {
         Container::remove(current.panel);
-        current = Page{"", nullptr};
+        current = Page {"", nullptr};
     }
 }

src/graphics/ui/elements/Menu.hpp

@@ -32,6 +32,7 @@ namespace gui {
         void setPage(const std::string &name, bool history=true);
         void setPage(Page page, bool history=true);
         void addPage(const std::string& name, const std::shared_ptr<UINode>& panel);
+        void removePage(const std::string& name);
         std::shared_ptr<UINode> fetchPage(const std::string& name);
 
         /// @brief Add page supplier used if page is not found