added handling of resize event

input.cpp

@@ -26,6 +26,7 @@ void Input::updateEvents(){
 
 	/* reset variables */
 	closeRequested = false;
+    hasBeenResized = false;
 	delta_vertical_scroll = 0;
 
 	/* global affectation */
@@ -71,6 +72,9 @@ void Input::updateEvents(){
             case sf::Event::MouseLeft:
                 //action MouseLeft
                 break;
+            case sf::Event::Resized:
+                hasBeenResized = true;
+                break;
 		}	
 	}
 	for (auto key: heldkeys){
@@ -113,6 +117,11 @@ bool Input::isCloseRequested() const
     return closeRequested;
 }
 
+bool Input::isResized() const
+{
+    return hasBeenResized;
+}
+
 /* keyboard-related functions */
 
 bool Input::isKeyPressed(int key) const

input.h

@@ -27,6 +27,7 @@ class Input{
 
 		/* window-related function */
         bool isCloseRequested() const;
+        bool isResized() const;
 
 		/* keyboard-related functions */
 		bool isKeyPressed(int key) const;
@@ -45,6 +46,7 @@ class Input{
 		/* window-related variables */
 		sf::Window* window;
 		bool closeRequested;
+        bool hasBeenResized;
 
 		/* general action-mapping variables */
 		IKeysMap keysmap;