refactor naming

OBJECTS

@@ -1,7 +1,7 @@
 TARGET = main
 SRC = hal.cpp main.cpp example.cpp buttons.cpp
 
-SRC += gfx/screen.cpp gfx/canvas.cpp gfx/font.cpp gfx/layout.cpp gfx/buffer.cpp
+SRC += gfx/Screen.cpp gfx/Canvas.cpp gfx/Font.cpp gfx/Layout.cpp gfx/Buffer.cpp
 
 SRC += fonts/basic_5x4.cpp
 

inc/buttons.h

@@ -2,27 +2,30 @@
 // Created by jedi on 11/6/18.
 //
 
-#ifndef MGL_DMXMENU_INPUT_H
-#define MGL_DMXMENU_INPUT_H
+#pragma once
+
+namespace micromenu {
+
+    enum direction {
+            I_LEFT = 0,
+            I_RIGHT,
+            I_UP,
+            I_DOWN
+    };
+
+    class buttons {
+        private:
+            static void onPush(direction id, bool state);
+
+        public:
+            bool raw[4] = {false, false, false, false};
+            bool last[4] = {false, false, false, false};
+
+            void poll();
+    };
 
 
-
-#define I_LEFT 0
-#define I_RIGHT 1
-#define I_UP 2
-#define I_DOWN 3
+    extern buttons input;
 
 
-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/example.h

@@ -2,33 +2,38 @@
 #ifndef _EXAMPLE_H_
 #define _EXAMPLE_H_
 
-#include "gfx/canvas.h"
+#include "gfx/Canvas.h"
 #include "node.h"
 
-class menu : public node {
-public:
-    template<typename ... Args>
-    menu(Args ... ns) : node(ns...) {
-    }
+using canvas = micromenu::Canvas;
+using node = micromenu::node;
+using value = micromenu::value;
 
-    void render(canvas &c);
+class menu : public node {
+    public:
+        template<typename ... Args>
+        explicit menu(Args ... ns) : node(ns...) {
+        }
+
+        void render(canvas &c) override;
 
 };
 
 class fooValue : public value {
-public:
-    fooValue(const char* str, int val) : value(str, val, 32, 48) {
-    }
+    public:
+        fooValue(const char *str, int val) : value(str, val, 32, 48) {
+        }
 
-    void render(canvas &c);
+        void render(canvas &c) override;
 };
 
-class blubValue : public value{
-public:
-    template<typename ... Args>
-    blubValue(Args ... ns) : value(ns..., 64, 96) {
-    }
-    void render(canvas& c);
+class blubValue : public value {
+    public:
+        template<typename ... Args>
+        explicit blubValue(Args ... ns) : value(ns..., 64, 96) {
+        }
+
+        void render(canvas &c) override;
 };
 
 #endif

inc/fonts/basic_5x4.h

@@ -2,11 +2,11 @@
 // Created by jedi on 11/2/18.
 //
 
-#ifndef MGL_DMXMENU_BASIC_5X4_H
-#define MGL_DMXMENU_BASIC_5X4_H
+#pragma once
 
-#include "gfx/font.h"
+#include "gfx/Font.h"
 
-extern font basic_5x4;
+namespace micromenu {
+    extern Font basic_5x4;
+}
 
-#endif //MGL_DMXMENU_BASIC_5X4_H

inc/gfx/Buffer.h

@@ -0,0 +1,54 @@
+//
+// Created by jedi on 11/2/18.
+//
+
+
+#include <cstdlib>
+#include <cstdint>
+
+namespace micromenu {
+
+    enum bufferBlocks {
+        _1bit = 1, _2bit = 2, _4bit = 4, _8bit = 8, _16bit = 16, _24bit = 24, _32bit = 32
+    };
+
+    template<bufferBlocks N>
+    class Buffer {
+        private:
+            int *ptr_;
+            int size_;
+            constexpr static const int block_ = 8 * sizeof(int);
+        public:
+            Buffer(int size) : size_(size) {
+                ptr_ = (int *) malloc(size * N / 8);
+            }
+
+            int get(int i) {
+                if(i >= size_) return 0;
+                return ptr_[i * N / block_] & ((1 << N) - 1) << (i * N % block_);
+            }
+
+            int getBlock(int i) {
+                if(i >= size_) return 0;
+                return ptr_[i * N / block_];
+            }
+
+            void set(int i, int v) {
+                if(i < size_) {
+                    ptr_[i * N / block_] &= ~(((1 << N) - 1) << (i * N % block_));
+                    ptr_[i * N / block_] |= (((1 << N) - 1) & v) << (i * N % block_);
+                }
+            }
+
+            ~Buffer() {
+                free(ptr_);
+            }
+    };
+
+    template<>
+    int Buffer<_32bit>::get(int i);
+
+    template<>
+    void Buffer<_32bit>::set(int i, int v);
+
+}

inc/gfx/Canvas.h

@@ -0,0 +1,42 @@
+//
+// Created by jedi on 11/1/18.
+//
+
+#pragma once
+
+#include "hal/hal.h"
+#include "gfx/Font.h"
+#include "fonts/basic_5x4.h"
+#include "gfx/Buffer.h"
+
+namespace micromenu {
+
+    class Screen;
+
+    class Canvas {
+        private:
+            const int width_;
+            const int height_;
+            Buffer<_1bit> buffer_;
+
+            void draw_onto_(Screen &);
+
+        public:
+            Canvas(int w, int h);
+
+            void clear();
+
+            void draw(int x, int y, bool inv = false);
+
+            void print(int x, int y, const char *str, bool inv = false, Font & = basic_5x4);
+
+            void print(int x, int y, char *str, bool inv = false, Font & = basic_5x4);
+
+            int getWidth();
+
+            int getHeight();
+
+            friend Screen;
+    };
+
+}

inc/gfx/Font.h

@@ -0,0 +1,27 @@
+//
+// Created by jedi on 11/1/18.
+//
+
+#pragma once
+
+namespace micromenu {
+
+    class Canvas;
+
+    class Font {
+        public:
+            typedef const bool raw_font[32][20];
+        private:
+            raw_font &raw_data_;
+        public:
+            explicit Font(raw_font &) noexcept;
+
+            void print(int x, int y, char c, Canvas &, bool inv = false);
+
+            void print(int x, int y, char *str, Canvas &, bool inv = false);
+
+            void print(int x, int y, const char *str, Canvas &, bool inv = false);
+    };
+
+}
+

inc/gfx/Layout.h

@@ -0,0 +1,49 @@
+//
+// Created by jedi on 11/5/18.
+//
+
+#pragma once
+
+#include "gfx/Canvas.h"
+#include "gfx/Screen.h"
+
+namespace micromenu {
+
+    class Layout {
+            class Slot {
+                private:
+                    int pos_ = 0;
+                    int size_ = 0;
+                    Canvas *canvas_ = nullptr;
+                public:
+                    node *content = nullptr;
+                    friend Layout;
+            };
+
+        private:
+            const int maxwidth_;
+            const int maxheight_;
+            int allocated_ = 0;
+            Screen &screen_;
+
+            int allocate_(node *, int);
+
+            int expand_(int);
+
+            int pack_(int);
+
+        public:
+            static const int maxslots = 10;
+            Slot slots[maxslots];
+            node *cursor = nullptr;
+
+            explicit Layout(Screen &s) noexcept: maxwidth_(s.getWidth()), maxheight_(s.getHeight()), screen_(s) {
+
+            }
+
+            int apply(node *);
+
+            void render();
+    };
+
+}

inc/gfx/Screen.h

@@ -0,0 +1,38 @@
+//
+// Created by jedi on 11/1/18.
+//
+
+#pragma once
+
+#include "hal/hal.h"
+#include "gfx/Canvas.h"
+
+namespace micromenu {
+
+    class Screen {
+        private:
+            const int width_;
+            const int height_;
+
+        public:
+            explicit Screen(int w, int h) noexcept;
+
+            void draw(int x, int y);
+
+            void draw(int x, int y, Canvas &c);
+
+            void print(int x, int y, const char *str, Font & = basic_5x4);
+
+            void print(int x, int y, char *str, Font & = basic_5x4);
+
+            [[nodiscard]] int getWidth() const{
+                return width_;
+            }
+
+            [[nodiscard]] int getHeight() const{
+                return height_;
+            }
+
+    };
+
+}

inc/gfx/buffer.h

@@ -1,50 +0,0 @@
-//
-// Created by jedi on 11/2/18.
-//
-
-#ifndef MGL_DMXMENU_BUFFER_1_H
-#define MGL_DMXMENU_BUFFER_1_H
-
-
-#include <stdlib.h>
-#include <stdint.h>
-
-enum bufferBlocks{
-    _1bit = 1, _2bit = 2, _4bit = 4, _8bit = 8, _16bit = 16, _24bit = 24, _32bit = 32
-};
-
-template <bufferBlocks N>
-class buffer {
-private:
-    int *ptr_;
-    int size_;
-    constexpr static const int block_ = 8 * sizeof(int);
-public:
-    buffer(int size) : size_(size) {
-        ptr_ = (int *) malloc(size * N / 8);
-    }
-
-    int get(int i) {
-        if (i >= size_) return 0;
-        return ptr_[i*N/block_] & ((1<<N)-1) << (i*N%block_);
-    }
-
-    void set(int i, int v) {
-        if (i < size_) {
-            ptr_[i*N/block_] &= ~(((1<<N)-1) << (i*N%block_));
-            ptr_[i*N/block_] |= (((1<<N)-1)&v) << (i*N%block_);
-        }
-    }
-
-    ~buffer() {
-        free(ptr_);
-    }
-};
-
-template <>
-int buffer<_32bit>::get(int i);
-
-template <>
-void buffer<_32bit>::set(int i, int v);
-
-#endif //MGL_DMXMENU_BUFFER_1_H

inc/gfx/canvas.h

@@ -1,42 +0,0 @@
-//
-// Created by jedi on 11/1/18.
-//
-
-#ifndef MGL_DMXMENU_CANVAS_H
-#define MGL_DMXMENU_CANVAS_H
-
-#include "hal/hal.h"
-#include "gfx/font.h"
-#include "fonts/basic_5x4.h"
-#include "gfx/buffer.h"
-
-class screen;
-
-class canvas {
-private:
-    const int width_;
-    const int height_;
-    buffer<_1bit> buffer_;
-
-    void draw_onto_(screen &);
-
-public:
-    canvas(int w, int h);
-
-    void clear();
-
-    void draw(int x, int y);
-
-    void print(int x, int y, const char *str, font & = basic_5x4);
-
-    void print(int x, int y, char *str, font & = basic_5x4);
-
-    int getWidth();
-
-    int getHeight();
-
-    friend screen;
-};
-
-
-#endif //MGL_DMXMENU_CANVAS_H

inc/gfx/font.h

@@ -1,22 +0,0 @@
-//
-// Created by jedi on 11/1/18.
-//
-
-#ifndef MGL_DMXMENU_FONT_H
-#define MGL_DMXMENU_FONT_H
-
-class canvas;
-
-class font {
-public:
-    typedef const bool raw_font[32][20];
-private:
-    raw_font& raw_data_;
-public:
-    font(raw_font&);
-    void print(int x, int y, char c, canvas&);
-    void print(int x, int y, char* str, canvas&);
-    void print(int x, int y, const char* str, canvas&);
-};
-
-#endif //MGL_DMXMENU_FONT_H

inc/gfx/layout.h

@@ -1,51 +0,0 @@
-//
-// Created by jedi on 11/5/18.
-//
-
-#ifndef MGL_DMXMENU_LAYOUT_H
-#define MGL_DMXMENU_LAYOUT_H
-
-#include "gfx/canvas.h"
-#include "gfx/screen.h"
-
-class layout {
-    class Slot {
-    private:
-        int pos_ = 0;
-        int size_ = 0;
-        canvas *canvas_ = nullptr;
-    public:
-        node *content = nullptr;
-        friend layout;
-    };
-
-private:
-    const int maxwidth_;
-    const int maxheight_;
-    int allocated_;
-    screen& screen_;
-
-    int allocate_(node *, int);
-
-    int expand_(int);
-
-    int pack_(int);
-
-
-public:
-    static const int maxslots = 10;
-    Slot slots[maxslots];
-    node *cursor;
-
-    layout(screen& s) : maxwidth_(s.getWidth()), maxheight_(s.getHeight()), screen_(s) {
-
-    }
-
-    int apply(node *);
-
-    void render();
-};
-
-
-
-#endif //MGL_DMXMENU_LAYOUT_H

inc/gfx/screen.h

@@ -1,34 +0,0 @@
-//
-// Created by jedi on 11/1/18.
-//
-
-#ifndef MGL_DMXMENU_SCREEN_H
-#define MGL_DMXMENU_SCREEN_H
-
-#include "hal/hal.h"
-#include "gfx/canvas.h"
-
-class screen {
-private:
-    const int width_;
-    const int height_;
-
-public:
-    screen(int w, int h);
-
-    void draw(int x, int y);
-
-    void draw(int x, int y, canvas &c);
-
-    void print(int x, int y, const char *str, font & = basic_5x4);
-
-    void print(int x, int y, char *str, font & = basic_5x4);
-
-    int getWidth();
-
-    int getHeight();
-
-};
-
-
-#endif //MGL_DMXMENU_SCREEN_H

inc/hal/hal.h

@@ -3,11 +3,12 @@
 #define _HAL_H_
 
 
+void debug(int);
 void debug(const char* str);
 void hal_init_screen(int w, int h);
-
 void hal_poll_input(bool *ptr);
-void hal_draw(int x, int y);
+void hal_clear();
+void hal_draw(int x, int y, int b);
 void hal_render();
 void render();
 

inc/node.h

@@ -2,82 +2,84 @@
 // Created by jedi on 11/5/18.
 //
 
-#ifndef MGL_DMXMENU_NODE_H
-#define MGL_DMXMENU_NODE_H
+#pragma once
 
-#include "gfx/canvas.h"
+#include "gfx/Canvas.h"
 
-class node {
-private:
-    node *parent_ = nullptr;
-    node *child_ = nullptr;
-    node *cursor_ = nullptr;
-    node *next_ = nullptr;
+namespace micromenu {
 
-    void addNodes(bool b) {
-    }
+    class node {
+        private:
+            node *parent_ = nullptr;
+            node *child_ = nullptr;
+            node *cursor_ = nullptr;
+            node *next_ = nullptr;
 
-    template<class ...Us>
-    void addNodes(bool b, node *n, Us ... ns) {
-        next_ = n;
-        next_->parent_ = parent_;
-        next_->addNodes(!b, ns...);
-    }
+            void addNodes(bool b) {
+            }
 
-public:
-    const char *title_ = 0;
-    const int minsize;
-    const int maxsize;
+            template<class ...Us>
+            void addNodes(bool b, node *n, Us ... ns) {
+                next_ = n;
+                next_->parent_ = parent_;
+                next_->addNodes(!b, ns...);
+            }
 
-    virtual void render(canvas &c) = 0;
+        public:
+            const char *title_ = 0;
+            const int minsize;
+            const int maxsize;
 
-    explicit node(int min = 24, int max = 48) : next_(nullptr), child_(nullptr), parent_(nullptr), minsize(min),
-                                                maxsize(max) {
-    }
+            virtual void render(Canvas &c) = 0;
 
-    explicit node(const char *t, int min = 24, int max = 48) : title_(t), minsize(min), maxsize(max), next_(nullptr),
-                                                               child_(nullptr),
-                                                               parent_(nullptr) {
-    }
+            explicit node(int min = 24, int max = 48) : next_(nullptr), child_(nullptr), parent_(nullptr), minsize(min),
+                                                        maxsize(max) {
+            }
 
-    template<typename ... Args>
-    node(const char *t, node *n, Args ... ns) : title_(t), minsize(24), maxsize(48) {
-        child_ = n;
-        cursor_ = n;
-        n->parent_ = this;
-        child_->addNodes(true, ns...);
-    }
+            explicit node(const char *t, int min = 24, int max = 48) : title_(t), minsize(min), maxsize(max),
+                                                                       next_(nullptr),
+                                                                       child_(nullptr),
+                                                                       parent_(nullptr) {
+            }
 
-    node *getChild() {
-        return child_;
-    }
+            template<typename ... Args>
+            node(const char *t, node *n, Args ... ns) : title_(t), minsize(24), maxsize(48) {
+                child_ = n;
+                cursor_ = n;
+                n->parent_ = this;
+                child_->addNodes(true, ns...);
+            }
 
-    node *getNext() {
-        return next_;
-    }
+            node *getChild() {
+                return child_;
+            }
 
-    node *getCursor() {
-        return cursor_;
-    }
+            node *getNext() {
+                return next_;
+            }
 
-    node *getParent() {
-        return parent_;
-    }
+            node *getCursor() {
+                return cursor_;
+            }
 
-    void setCursor(node *c) {
-        cursor_ = c;
-    }
-};
+            node *getParent() {
+                return parent_;
+            }
+
+            void setCursor(node *c) {
+                cursor_ = c;
+            }
+    };
 
 
-class value: public node {
-public:
-    const char *header;
-    int state;
+    class value : public node {
+        public:
+            const char *header;
+            int state;
 
-    value(const char *t, int val, int min = 64, int max = 96) : node(t, min, max), header(t), state(val) {
-    }
-};
+            value(const char *t, int val, int min = 64, int max = 96) : node(t, min, max), header(t), state(val) {
+            }
+    };
 
 
-#endif //MGL_DMXMENU_NODE_H
+}

linux.Makefile

@@ -8,7 +8,8 @@ OBJ = $(SRC_PATH:$(SRCDIR)/%.cpp=$(OBJDIR)/%.o)
 REMOVEDIR = rm -rf
 
 CFLAGS += -std=gnu99
-CXXFLAGS += -std=c++17
+CXXFLAGS += -std=gnu++20
+LDFLAGS =
 
 
 CFLAGS += -I$(INCDIR) -DLINUX
@@ -24,7 +25,7 @@ all: $(OBJDIR)/$(TARGET)
 .PRECIOUS: $(OBJ)
 $(OBJDIR)/$(TARGET): $(OBJ) | $(OBJDIR)
 	@echo link $^
-	@$(CXX) $(LDFLAGS) -o $@ $^
+	$(CXX) $(CXXFLAGS) -o $@ $^ $(LDFLAGS)
 	
 $(OBJDIR)/%.o: $(SRCDIR)/%.c  | $(OBJDIR)
 	@echo compile $<

src/buttons.cpp

@@ -5,16 +5,18 @@
 #include "hal/hal.h"
 #include "buttons.h"
 
+namespace micromenu {
 
-buttons input;
+    buttons input;
 
-void buttons::poll() {
-    hal_poll_input(raw);
+    void buttons::poll() {
+        hal_poll_input(raw);
 
-    for(int i = 0; i < 4; i++){
-        if(raw[i]!=last[i]){
-            onPush(i, raw[i]);
-            last[i]=raw[i];
+        for (int i = 0; i < 4; i++) {
+            if(raw[i] != last[i]) {
+                onPush(static_cast<direction>(i), raw[i]);
+                last[i] = raw[i];
+            }
         }
     }
 }

src/example.cpp

@@ -1,13 +1,15 @@
 
+#include <cstring>
 #include "buttons.h"
 #include "example.h"
 #include "node.h"
-#include "gfx/canvas.h"
+#include "gfx/Canvas.h"
 
 char peng[] = {' ', ' ', ' ', ' ', ' ', 0};
 
 int j = 0;
 
+
 void fooValue::render(canvas& c){
 
 	for(int i = 0; i<c.getHeight(); i++)
@@ -15,10 +17,10 @@ void fooValue::render(canvas& c){
 
 
 	c.print(10 , 10, title_);
-	peng[0] = input.raw[0] ? 'L' : ' ';
-	peng[1] = input.raw[1] ? 'R' : ' ';
-	peng[2] = input.raw[2] ? 'U' : ' ';
-	peng[3] = input.raw[3] ? 'D' : ' ';
+	peng[0] = micromenu::input.raw[0] ? 'L' : ' ';
+	peng[1] = micromenu::input.raw[1] ? 'R' : ' ';
+	peng[2] = micromenu::input.raw[2] ? 'U' : ' ';
+	peng[3] = micromenu::input.raw[3] ? 'D' : ' ';
 	j++;
     j %= 10;
     peng[4] = 'A' + j;
@@ -32,15 +34,25 @@ void blubValue::render(canvas& c){
 	c.print(3 , 15, title_);
 }
 
-void menu::render(canvas& c){
+void menu::render(canvas& c) {
 
-	for(int i = 0; i<c.getHeight();i++)
-		c.draw(0,i);
+	for (int i = 0; i < c.getHeight(); i++)
+		c.draw(0, i);
 
 	int r = 0;
-	node* ptr = getChild();
-	while(ptr){
-		c.print(3,6*r+2, ptr->title_);
+	node *ptr = getChild();
+	while (ptr) {
+		if (ptr == getCursor()) {
+			int len = strlen(ptr->title_);
+			for(int i = 0; i < 6*len; i++){
+				for(int j = 0; j < 7; j++) {
+					c.draw(2+i, 1+7*r+j);
+				}
+			}
+			c.print(3, 7 * r + 2, ptr->title_, true);
+		} else {
+			c.print(3, 7 * r + 2, ptr->title_);
+		}
 		ptr = ptr->getNext();
 		r++;
 	}

src/fonts/basic_5x4.cpp

@@ -4,7 +4,9 @@
 
 #include "fonts/basic_5x4.h"
 
-const bool basic_5x4_raw[32][20] = {
+namespace micromenu {
+
+    const bool basic_5x4_raw[32][20] = {
         //0
         {0,0,0,0,
          0,0,0,0,
@@ -167,6 +169,8 @@ const bool basic_5x4_raw[32][20] = {
          0,1,1,0,
          1,0,0,0,
          1,1,1,1},
-};
+    };
 
-font basic_5x4(basic_5x4_raw);
+    Font basic_5x4(basic_5x4_raw);
+
+}

src/gfx/Buffer.cpp

@@ -2,16 +2,16 @@
 // Created by jedi on 11/2/18.
 //
 
-#include "gfx/buffer.h"
+#include "gfx/Buffer.h"
 
 template <>
-int buffer<_32bit>::get(int i){
+int Buffer<_32bit>::get(int i){
     if (i >= size_) return 0;
     return ptr_[i];
 }
 
 template <>
-void buffer<_32bit>::set(int i, int v) {
+void Buffer<_32bit>::set(int i, int v) {
     if (i < size_)
         ptr_[i] = v;
 }

src/gfx/Font.cpp

@@ -0,0 +1,34 @@
+//
+// Created by jedi on 11/1/18.
+//
+
+#include "gfx/Font.h"
+#include "gfx/Canvas.h"
+
+
+namespace micromenu {
+
+    Font::Font(raw_font &raw) noexcept : raw_data_(raw) {
+    }
+
+    void Font::print(int x, int y, char l, Canvas &c, bool inv) {
+        int j = (l - ' ') % 32;
+        for (int x_ = 0; x_ < 4; x_++)
+            for (int y_ = 0; y_ < 5; y_++)
+                if(raw_data_[j][x_ + 4 * y_])
+                    c.draw(x + x_, y + y_, inv);
+    }
+
+    void Font::print(int x, int y, char *str, Canvas &c, bool inv) {
+        for (int i = 0; str[i]; i++) {
+            print(x + i * 5, y, str[i], c, inv);
+        }
+    }
+
+    void Font::print(int x, int y, const char *str, Canvas &c, bool inv) {
+        for (int i = 0; str[i]; i++) {
+            print(x + i * 5, y, str[i], c, inv);
+        }
+    }
+
+}

src/gfx/Layout.cpp

@@ -0,0 +1,71 @@
+//
+// Created by jedi on 11/5/18.
+//
+
+#include "node.h"
+#include "gfx/Layout.h"
+
+namespace micromenu {
+
+    void Layout::render() {
+        for (int j = 0; j < allocated_; j++) {
+            node *node_ptr;
+            node_ptr = slots[j].content;
+            if(node_ptr) {
+                slots[j].canvas_->clear();
+                node_ptr->render(*slots[j].canvas_);
+                screen_.draw(slots[j].pos_, 0, *slots[j].canvas_);
+            }
+        }
+    }
+
+    int Layout::apply(node *node) {
+        int rootslot = allocate_(node, maxslots);
+        int minsize = pack_(rootslot + 1);
+        expand_(minsize);
+        if(cursor == nullptr)
+            cursor = slots[rootslot].content->getCursor();
+        return 0;
+    }
+
+    int Layout::pack_(int usedslots) {
+        int minsum = 0;
+        int i;
+        for (i = 0; i < usedslots; i++) {
+            if(!slots[i].content) break;
+            if(minsum + slots[i].content->minsize > maxwidth_) break;
+            minsum += slots[i].content->minsize;
+        }
+        allocated_ = i;
+        return minsum;
+    }
+
+    int Layout::expand_(int packedsize) {
+        int diff = maxwidth_ - packedsize;
+        int pos = 0;
+        for (int i = allocated_ - 1; i >= 0; i--) {
+            slots[i].pos_ = pos;
+            int size = slots[i].content->minsize + (diff * slots[i].content->minsize) / packedsize;
+            if(size > slots[i].content->maxsize)
+                size = slots[i].content->maxsize;
+            slots[i].size_ = size;
+
+            delete slots[i].canvas_;
+            slots[i].canvas_ = new Canvas(size, maxheight_);
+            pos += size;
+        }
+        return 0;
+    }
+
+    int Layout::allocate_(node *current, int depth) {
+        if(node *next = current->getCursor()) {
+            int i = allocate_(next, depth) + 1;
+            slots[i].content = current;
+            return i;
+        } else {
+            slots[0].content = current;
+            return 0;
+        }
+    }
+
+}

src/gfx/Screen.cpp

@@ -0,0 +1,29 @@
+//
+// Created by jedi on 11/1/18.
+//
+
+#include "gfx/Screen.h"
+
+namespace micromenu {
+
+    Screen::Screen(int w, int h) noexcept: width_(w), height_(h) {
+        hal_init_screen(w, h);
+    }
+
+    void Screen::draw(int x, int y, Canvas &c) {
+        for (int x_ = 0; x_ < c.getWidth(); x_++)
+            for (int y_ = 0; y_ < c.getHeight(); y_ += 8 * sizeof(int))
+                hal_draw(x + x_, y + y_, c.buffer_.getBlock(x_ * c.getHeight() + y_));
+    }
+
+
+    void Screen::print(int x, int y, const char *str, Font &f) {
+        //f.print(x, y, str);
+    }
+
+    void Screen::print(int x, int y, char *str, Font &f) {
+        //f.print(x, y, str);
+    }
+
+
+}

src/gfx/canvas.cpp

@@ -2,35 +2,39 @@
 // Created by jedi on 11/1/18.
 //
 
-#include "gfx/canvas.h"
+#include "gfx/Canvas.h"
 
-canvas::canvas(int w, int h) : width_(w), height_(h), buffer_(w*h) {
-    clear();
-}
+namespace micromenu {
 
-void canvas::clear() {
-    for (int x = 0; x < width_; x++)
-        for (int y = 0; y < height_; y++)
-            buffer_.set(x * height_ + y, false);
-}
+    Canvas::Canvas(int w, int h) : width_(w), height_(h), buffer_(w * h) {
+        clear();
+    }
 
-void canvas::draw(int x, int y) {
-    if (y < height_ && x < width_)
-        buffer_.set(x * height_ + y, true);
-}
+    void Canvas::clear() {
+        for (int x = 0; x < width_; x++)
+            for (int y = 0; y < height_; y++)
+                buffer_.set(x * height_ + y, false);
+    }
 
-void canvas::print(int x, int y, const char *str, font& f) {
-    f.print(x, y, str, *this);
-}
+    void Canvas::draw(int x, int y, bool inv) {
+        if(y < height_ && x < width_)
+            buffer_.set(x * height_ + y, !inv);
+    }
 
-void canvas::print(int x, int y, char *str, font& f) {
-    f.print(x, y, str, *this);
-}
+    void Canvas::print(int x, int y, const char *str, bool inv, Font &f) {
+        f.print(x, y, str, *this, inv);
+    }
 
-int canvas::getWidth(){
-    return width_;
-}
+    void Canvas::print(int x, int y, char *str, bool inv, Font &f) {
+        f.print(x, y, str, *this, inv);
+    }
+
+    int Canvas::getWidth() {
+        return width_;
+    }
+
+    int Canvas::getHeight() {
+        return height_;
+    }
 
-int canvas::getHeight(){
-    return height_;
 }

src/gfx/font.cpp

@@ -1,31 +0,0 @@
-//
-// Created by jedi on 11/1/18.
-//
-
-#include "gfx/font.h"
-#include "gfx/canvas.h"
-
-
-
-font::font(raw_font& raw ):raw_data_(raw){
-}
-
-void font::print(int x, int y, char l, canvas& c) {
-    int j = (l - ' ') % 32;
-    for (int x_ = 0; x_ < 4; x_++)
-        for (int y_ = 0; y_ < 5; y_++)
-            if (raw_data_[j][x_ + 4 * y_])
-                c.draw(x + x_, y + y_);
-}
-
-void font::print(int x, int y, char* str, canvas& c) {
-    for (int i = 0; str[i]; i++) {
-        print(x + i * 5,y,str[i],c);
-    }
-}
-
-void font::print(int x, int y, const char* str, canvas& c) {
-    for (int i = 0; str[i]; i++) {
-        print(x + i * 5,y,str[i],c);
-    }
-}

src/gfx/layout.cpp

@@ -1,66 +0,0 @@
-//
-// Created by jedi on 11/5/18.
-//
-
-#include "node.h"
-#include "gfx/layout.h"
-
-void layout::render() {
-    for (int j = 0; j < allocated_; j++) {
-        node *node_ptr;
-        if (node_ptr = slots[j].content) {
-            slots[j].canvas_->clear();
-            node_ptr->render(*slots[j].canvas_);
-            screen_.draw(slots[j].pos_, 0, *slots[j].canvas_);
-        }
-    }
-}
-
-int layout::apply(node* node) {
-    int rootslot = allocate_(node, maxslots);
-    int minsize = pack_(rootslot + 1);
-    expand_(minsize);
-    if (cursor == nullptr)
-        cursor = slots[rootslot].content->getCursor();
-    return 0;
-}
-
-int layout::pack_(int usedslots) {
-    int minsum = 0;
-    int i;
-    for (i = 0; i < usedslots; i++) {
-        if (!slots[i].content) break;
-        if (minsum + slots[i].content->minsize > maxwidth_) break;
-        minsum += slots[i].content->minsize;
-    }
-    allocated_ = i;
-    return minsum;
-}
-
-int layout::expand_(int packedsize) {
-    int diff = maxwidth_ - packedsize;
-    int pos = 0;
-    for (int i = allocated_ - 1; i >= 0; i--) {
-        slots[i].pos_ = pos;
-        int size = slots[i].content->minsize + (diff * slots[i].content->minsize) / packedsize;
-        if (size > slots[i].content->maxsize)
-            size = slots[i].content->maxsize;
-        slots[i].size_ = size;
-        if(slots[i].canvas_)
-            delete slots[i].canvas_;
-        slots[i].canvas_ = new canvas(size, maxheight_);
-        pos += size;
-    }
-    return 0;
-}
-
-int layout::allocate_(node* current, int depth) {
-    if (node* next = current->getCursor()) {
-        int i = allocate_(next, depth) + 1;
-        slots[i].content = current;
-        return i;
-    } else {
-        slots[0].content = current;
-        return 0;
-    }
-}

src/gfx/screen.cpp

@@ -1,36 +0,0 @@
-//
-// Created by jedi on 11/1/18.
-//
-
-#include "gfx/screen.h"
-
-screen::screen(int w, int h) : width_(w), height_(h) {
-    hal_init_screen(w,h);
-}
-
-void screen::draw(int x, int y) {
-    hal_draw(x, y);
-}
-
-void screen::draw(int x, int y, canvas &c) {
-    for (int x_ = 0; x_ < width_; x_++)
-        for (int y_ = 0; y_ < height_; y_++)
-            if (c.buffer_.get(x_ * height_ + y_))
-                hal_draw(x + x_, y + y_);
-}
-
-void screen::print(int x, int y, const char *str, font& f) {
-    //f.print(x, y, str);
-}
-
-void screen::print(int x, int y, char *str, font& f) {
-    //f.print(x, y, str);
-}
-
-int screen::getWidth(){
-    return width_;
-}
-
-int screen::getHeight(){
-    return height_;
-}

src/hal.cpp

@@ -8,3 +8,18 @@
 #ifdef AVR
 #include "hal/avr.cpp"
 #endif
+
+
+void debug(int n){
+    const char hex[]="0123456789ABCDEF";
+    char buf[]="0x00000000\n";
+    buf[2]=hex[(n>>28)&0xF];
+    buf[3]=hex[(n>>24)&0xF];
+    buf[4]=hex[(n>>20)&0xF];
+    buf[5]=hex[(n>>16)&0xF];
+    buf[6]=hex[(n>>12)&0xF];
+    buf[7]=hex[(n>>8)&0xF];
+    buf[8]=hex[(n>>4)&0xF];
+    buf[9]=hex[(n>>0)&0xF];
+    debug(buf);
+}

src/hal/avr.cpp

@@ -3,24 +3,25 @@
 //
 
 #include "ssd1306.h"
-#include "nano_gfx.h"
 #include "buttons.h"
 #include <stdlib.h>
 #include <stdint.h>
 #include <hal/hal.h>
 
-uint8_t canvasData[128 * (32 / 8)];
-NanoCanvas canvas(128, 32, canvasData);
-
 void hal_init_screen(int w, int h) {
     ssd1306_128x32_i2c_init();
+    ssd1306_fillScreen( 0x00 );
 
     DDRD = 0;
     PORTD |= (1 << PC2) | (1 << PC3) | (1 << PC4) | (1 << PC5);
 }
 
-void hal_draw(int x, int y){
-    canvas.putPixel(x, y);
+void hal_draw(int x, int y, int b){
+    ssd1306_putPixels(x,  y, b&0xFF);
+    ssd1306_putPixels(x,  y+8, b>>8);
+}
+
+void hal_clear(){
 }
 
 
@@ -36,9 +37,7 @@ void hal_poll_input(bool *ptr) {
 
 void hal_render() {
     while (true) {
-        ssd1306_fillScreen( 0x00 );
         render();
-        canvas.blt(0, 0);
     }
 }
 

src/hal/linux.cpp

@@ -35,8 +35,20 @@ void hal_init_screen(int width, int height){
     }
 }
 
-void hal_draw(int x, int y){
-    SDL_RenderDrawPoint(renderer, x, y);
+void hal_draw(int x, int y, int b) {
+    for (int i = 0; i < 8 *sizeof(int);i++)
+    if (b & (1 << i)) {
+        SDL_SetRenderDrawColor(renderer, 0, 255, 255, 255);
+        SDL_RenderDrawPoint(renderer, x, y + i);
+    }else{
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+        SDL_RenderDrawPoint(renderer, x, y + i);
+    }
+}
+
+void hal_clear(){
+    SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+    SDL_RenderClear(renderer);
 }
 
 
@@ -46,10 +58,6 @@ void hal_render() {
 
 
     while (!quit) {
-
-        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
-        SDL_RenderClear(renderer);
-        SDL_SetRenderDrawColor(renderer, 0, 255, 255, 255);
         render();
         SDL_RenderPresent(renderer);
     }
@@ -68,16 +76,16 @@ void hal_poll_input(bool *ptr) {
             case SDL_KEYDOWN:
                 switch (event.key.keysym.sym) {
                     case SDLK_LEFT:
-                        ptr[I_LEFT] = true;
+                        ptr[micromenu::I_LEFT] = true;
                         break;
                     case SDLK_RIGHT:
-                        ptr[I_RIGHT] = true;
+                        ptr[micromenu::I_RIGHT] = true;
                         break;
                     case SDLK_UP:
-                        ptr[I_UP] = true;
+                        ptr[micromenu::I_UP] = true;
                         break;
                     case SDLK_DOWN:
-                        ptr[I_DOWN] = true;
+                        ptr[micromenu::I_DOWN] = true;
                         break;
                     case 'q':
                     case 0x1b: //ESC
@@ -89,16 +97,16 @@ void hal_poll_input(bool *ptr) {
             case SDL_KEYUP:
                 switch (event.key.keysym.sym) {
                     case SDLK_LEFT:
-                        ptr[I_LEFT] = false;
+                        ptr[micromenu::I_LEFT] = false;
                         break;
                     case SDLK_RIGHT:
-                        ptr[I_RIGHT] = false;
+                        ptr[micromenu::I_RIGHT] = false;
                         break;
                     case SDLK_UP:
-                        ptr[I_UP] = false;
+                        ptr[micromenu::I_UP] = false;
                         break;
                     case SDLK_DOWN:
-                        ptr[I_DOWN] = false;
+                        ptr[micromenu::I_DOWN] = false;
                         break;
                 }
                 break;

src/main.cpp

@@ -1,110 +1,87 @@
 
 #include "hal/hal.h"
 #include "node.h"
-#include "gfx/layout.h"
-
+#include "gfx/Layout.h"
 
 #include "example.h"
 
-#include "gfx/screen.h"
-#include "gfx/canvas.h"
+#include "gfx/Screen.h"
+#include "gfx/Canvas.h"
 #include "buttons.h"
 
 #ifdef LINUX
+
 #include <SDL2/SDL.h>
 #include <stdio.h>
 #include <iostream>
 
-
-extern SDL_Window* window;
+extern SDL_Window *window;
 extern SDL_Event event;
 extern SDL_Renderer *renderer;
 
 #endif
 
 
-screen s(128,32);
-layout l(s);
-menu* root;
+micromenu::Screen screen(128, 32);
+micromenu::Layout layout(screen);
+menu *root;
 
+//using micromenu::menu;
 int main() {
 
-	root = new menu("",
-					new menu("foo",
-                             new menu("baz",
-                                      new fooValue("I", 5),
-                                      new fooValue("II", 5),
-                                      new fooValue("III", 5),
-                                      new fooValue("IIII", 5)
+    root = new menu("",
+                    new menu("baz",
+                             new menu("x",
+                                      new fooValue("x x", 5),
+                                      new blubValue("xxx", 5)
                              ),
-                             new menu("peng",
-                                      new fooValue("o", 5),
-                                      new fooValue("oo", 5),
-                                      new fooValue("o o", 5)
-                             ),
-							 new menu("x",
-									  new fooValue("x x", 5),
-									  new fooValue("xxx", 5)
-							 ),
-							 new menu("y",
-									  new fooValue("y y", 5),
-									  new fooValue("yyy", 5)
-							 )
-			),
-					new menu("a",
-							 new blubValue("a a", 5),
-							 new blubValue("aa", 5),
-							 new blubValue("aaa", 5)
-					),
-					new menu("b",
-							 new blubValue("b b", 5),
-							 new blubValue("bb", 5),
-							 new blubValue("bbb", 5)
-					),
-					new menu("c",
-							 new blubValue("c c", 5),
-							 new blubValue("cc", 5),
-							 new blubValue("ccc", 5)
-					)
-	);
+                             new fooValue("I", 5),
+                             new fooValue("II", 5),
+                             new blubValue("III", 5),
+                             new blubValue("IIII", 5)
+                    ),
+                    new menu("peng",
+                             new fooValue("o", 5),
+                             new fooValue("oo", 5),
+                             new fooValue("o o", 5)
+                    )
+    );
 
-	hal_render();
-	return 0;
+    hal_render();
+    return 0;
 }
 
-void render(){
-	l.apply(root);
-	input.poll();
-	l.render();
+void render() {
+    layout.apply(root);
+    micromenu::input.poll();
+    layout.render();
 }
 
-void buttons::onPush(int id, bool state) {
-	if (state) {
-		node *c;
-		node *p;
-		switch (id) {
-			case I_DOWN:
-				c = l.cursor;
-				p = c->getParent();
-				if ((c = c->getNext()) || p && (c = p->getChild())) {
-					p->setCursor(c);
-					l.cursor = c;
-				}
-				break;
-			case I_UP:
-				break;
-			case I_RIGHT:
-				c = l.cursor;
-				if (c = c->getCursor()) {
-					l.cursor = c;
-				}
-				break;
-			case I_LEFT:
-				c = l.cursor;
-				if (c = c->getParent()) {
-					l.cursor = c;
-				}
-				break;
-		}
-	}
+void micromenu::buttons::onPush(direction dir, bool state) {
+    if(state) {
+        node *c;
+        if(dir == I_DOWN) {
+            c = layout.cursor;
+            node *parent = c->getParent();
+            if((c = c->getNext()) || parent && (c = parent->getChild())) {
+                parent->setCursor(c);
+                layout.cursor = c;
+            }
+        } else if(dir == I_UP) {
+            // TODO implement
+        } else if(dir == I_RIGHT) {
+            c = layout.cursor;
+            c = c->getCursor();
+            if(c) {
+                layout.cursor = c;
+            }
+        } else if(dir == I_LEFT) {
+            c = layout.cursor;
+            c = c->getParent();
+            if(c) {
+                layout.cursor = c;
+            }
+        }
+
+    }
 }