fix green backgrund problem

src/GUI.cpp

@@ -25,7 +25,7 @@ auto GUI_run(int argc, char **argv) -> int {
         redraw(image);
     });
     vkvm::registerEvent(vkvm::EventType::UpdateControlRegisters, [image]() {
-        image->setDelay(vkvm::getRedrawInterval();
+        image->setDelay(vkvm::getRedrawInterval());
     });
     Fl::repeat_timeout(image->getDelay(), get_new_image, image);
     window->end();

src/GUI.hpp

@@ -20,7 +20,7 @@
  * @param button The button that was pushed last.
  */
 class GUI_Window : public Fl_Window {
-    int x{}, y{}, button{};
+    int x, y, button,lastX,lastY;
     vkvm::KeyCode keyCode;
 
     int handle(int e) override;

src/GUI_Window.cpp

@@ -51,16 +51,19 @@ auto GUI_Window::handle(int e) -> int {
                 this->child(2)->label("Event:Mouse Middle Drag");
                 vkvm::callEvent(vkvm::EventType::MouseMove);
             }
-
             return 1;
             /*Mousemovement*/
         case FL_MOVE:
             x = Fl::event_x();
             y = Fl::event_y();
+            if (lastX != x || lastY != y) {
+                lastX = x;
+                lastY = y;
                 vkvm::setMousePosition(x, y);
                 vkvm::callEvent(vkvm::EventType::MouseMove);
                 this->child(2)->label("Event:Mouse Move");
                 this->child(3)->label(position_to_string(x, y));
+            }
             return 1;
             /*keyboardbutton*/
         case FL_KEYBOARD:
@@ -82,7 +85,10 @@ auto GUI_Window::handle(int e) -> int {
     return -1;
 }
 
-GUI_Window::GUI_Window(int x, int y, const char *l) : Fl_Window(x, y, l) {}
+GUI_Window::GUI_Window(int x, int y, const char *l) : Fl_Window(x, y, l) {
+    lastX = 0;
+    lastY = 0;
+}
 
 auto GUI_Window::position_to_string(int x, int y) -> char * {
     auto *str = new char[25];

src/Image.cpp

@@ -14,12 +14,6 @@ Image::Image(int x, int y, int w, int h) :
         Fl_Widget(x, y, w, h, nullptr) {
     buf = new uchar[w * h * 3];
     delay = ((double)vkvm::getRedrawInterval())/1000;
-    /*Just an example.*/
-    for (int i = 0; i < h; i++) {
-        for (int j = 0; j < w; j++) {
-            buf[(j + (i * w)) * 3 + 1] = 0xff;
-        }
-    }
 }
 
 /*A function to change the colors of the image-class. It reads the colors from the Shared Memory-Class*/