implement input iteraction

inc/buttons.h

@@ -0,0 +1,28 @@
+//
+// Created by jedi on 11/6/18.
+//
+
+#ifndef MGL_DMXMENU_INPUT_H
+#define MGL_DMXMENU_INPUT_H
+
+
+
+#define I_LEFT 0
+#define I_RIGHT 1
+#define I_UP 2
+#define I_DOWN 3
+
+
+class buttons {
+private:
+    void onPush(int id, bool state);
+public:
+    bool raw[4]={false,false, false, false};
+    bool last[4]={false,false, false, false};
+    void poll();
+};
+
+
+extern buttons input;
+
+#endif //MGL_DMXMENU_INPUT_H

inc/gfx/layout.h

@@ -11,11 +11,11 @@
 class layout {
     class Slot {
     private:
-        int pos_;
-        int size_;
-        canvas *canvas_ = 0;
+        int pos_ = 0;
+        int size_ = 0;
+        canvas *canvas_ = nullptr;
     public:
-        node *content;
+        node *content = nullptr;
         friend layout;
     };
 
@@ -35,6 +35,7 @@ private:
 public:
     static const int maxslots = 10;
     Slot slots[maxslots];
+    node *cursor;
 
     layout(screen& s) : maxwidth_(s.getWidth()), maxheight_(s.getHeight()), screen_(s) {
 

inc/hal/hal.h

@@ -2,21 +2,15 @@
 #ifndef _HAL_H_
 #define _HAL_H_
 
-#define I_LEFT 0
-#define I_RIGHT 1
-#define I_UP 2
-#define I_DOWN 3
-
 
 void debug(const char* str);
-void hal_init();
 void hal_init_screen(int w, int h);
+
+void hal_poll_input(bool *ptr);
 void hal_draw(int x, int y);
 void hal_render();
 void render();
 
-extern bool input[4];
-
 #ifndef LINUX
 
 void * operator new(unsigned int size);

inc/node.h

@@ -31,12 +31,13 @@ public:
 
     virtual void render(canvas &c) = 0;
 
-    node(int min = 24, int max = 48) : next_(nullptr), child_(nullptr), parent_(nullptr), minsize(min), maxsize(max) {
+    explicit node(int min = 24, int max = 48) : next_(nullptr), child_(nullptr), parent_(nullptr), minsize(min),
+                                                maxsize(max) {
     }
 
-    node(const char *t, int min = 24, int max = 48) : title_(t), minsize(min), maxsize(max), next_(nullptr),
-                                                      child_(nullptr),
-                                                      parent_(nullptr) {
+    explicit node(const char *t, int min = 24, int max = 48) : title_(t), minsize(min), maxsize(max), next_(nullptr),
+                                                               child_(nullptr),
+                                                               parent_(nullptr) {
     }
 
     template<typename ... Args>
@@ -58,6 +59,14 @@ public:
     node *getCursor() {
         return cursor_;
     }
+
+    node *getParent() {
+        return parent_;
+    }
+
+    void setCursor(node *c) {
+        cursor_ = c;
+    }
 };