diff --git a/include/windows.h b/include/windowsBack.h
similarity index 63%
rename from include/windows.h
rename to include/windowsBack.h
index f500aa0..1625552 100644
--- a/include/windows.h
+++ b/include/windowsBack.h
@@ -1,20 +1,23 @@
-#ifndef WINDOWS_H
-#define WINDOWS_H
+#ifndef WINDOWSBACK_H
+#define WINDOWSBACK_H
 
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <ncurses.h>
 
-int runMainMenu();
-void runOptionsMenu();
+WINDOW *create_newwin(int height, int width, int starty, int startx);
+void destroy_win(WINDOW *local_win);
+
+void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str);
+int uiToggleSwitch(WINDOW *win, int y, int x, int state);
+void uiTextInput(WINDOW *win, int y, int x, char *input, int max_len);
+int uiSelectMenu(WINDOW *win, int start_y, int start_x, char **options, int n_options);
+void print_menu(WINDOW *menu_win, int y, int x, int highlight);
+
 void warningf(const char *fmt, ...);
 void warning(char *string);
 void statusf(const char *fmt, ...);
 void status(char *msg);
-WINDOW *create_newwin(int height, int width, int starty, int startx);
-void destroy_win(WINDOW *local_win);
-void print_menu(WINDOW *menu_win, int y, int x, int highlight);
-void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str);
 
 #endif
diff --git a/include/windowsDeclaration.h b/include/windowsDeclaration.h
new file mode 100644
index 0000000..08961bd
--- /dev/null
+++ b/include/windowsDeclaration.h
@@ -0,0 +1,13 @@
+#ifndef WINDOWSDECLARATION_H
+#define WINDOWSDECLARATION_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ncurses.h>
+
+int runMainMenu();
+void runOptionsMenu();
+void example_window();
+
+#endif
diff --git a/src/main.c b/src/main.c
index 0f87a0d..37d34d3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -19,8 +19,9 @@
 #include <string.h>
 #include <ncurses.h>
 
-#include <windows.h>
-#include <logic.h>
+#include "../include/windowsDeclaration.h"
+#include "../include/windowsBack.h"
+#include "../include/logic.h"
 
 void printLogoBG();
 
@@ -49,6 +50,7 @@ int main(){
 	
 	int running = 0;
 	while(running != 6){
+	    printLogoBG();
 		refresh();
 		running = runMainMenu();
 		switch(running) {
@@ -60,7 +62,8 @@ int main(){
 			case 3:
 				break;
 			case 4:
-				break;
+				example_window();
+                break;
 			case 5:
 				runOptionsMenu();
 				break;
diff --git a/src/testLogic.c b/src/testLogic.c
index ccbf9c7..e91df6e 100644
--- a/src/testLogic.c
+++ b/src/testLogic.c
@@ -7,11 +7,9 @@
 #include "../include/globals.h"
 
 int main() {
-	/* Working
 	printf("%d", existsFile("qwestoeuntest"));
 	createFile("qwestoeuntest");
 	printf("%d", existsFile("qwestoeuntest"));
-	*/
 	
 	return 0;
 }
diff --git a/src/windows.c b/src/windows.c
deleted file mode 100644
index 550bc05..0000000
--- a/src/windows.c
+++ /dev/null
@@ -1,276 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <ncurses.h>
-
-#include "../include/windows.h"
-#include "../include/logic.h"
-#include "../include/globals.h"
-#define MAX_LEN 64
-
-char *mainMenu[] = {
-	"Segna vendita",
-	"Vedi vendite",
-	"Vedi prodotti",
-	"Gestisci prodotti",
-	"Opzioni",
-	"Exit"
-};
-int n_mainMenu = sizeof(mainMenu) / sizeof(char *);
-
-
-int runMainMenu(){
-	WINDOW *mainWin;
-	int startx, starty, width, height;
-	height = LINES / 2;
-	width = COLS / 2;
-	starty = 0;
-	startx = 0;
-	mainWin = create_newwin(height, width, starty, startx);
-
-	int highlight = 1;
-	int choice = 0;
-	int c;
-
-	keypad(mainWin, TRUE);
-	wwrap_print(mainWin, 1, 2, "Usa le FRECCETTE ed INVIO per scegliere un'opzione,\nin alternativa ci sono i movement di vim e SPAZIO.");
-	refresh();
-	print_menu(mainWin, height / 2 - 3, width / 2 - 9, highlight);
-	while(1)
-	{	c = wgetch(mainWin);
-		switch(c)
-		{	case KEY_UP:
-			case KEY_LEFT:
-			case 'h':
-			case 'k':
-				if(highlight == 1)
-					highlight = n_mainMenu;
-				else
-					--highlight;
-				break;
-			case KEY_DOWN:
-			case KEY_RIGHT:
-			case 'l':
-			case 'j':
-				if(highlight == n_mainMenu)
-					highlight = 1;
-				else
-					++highlight;
-				break;
-			case 10:
-			case 32:
-				choice = highlight;
-				break;
-			default:
-				statusf("Il tasto '%c' non e' un tasto valido", c);
-				refresh();
-				break;
-		}
-		print_menu(mainWin, height / 2 - 3, width / 2 - 9, highlight);
-		if(choice != 0)	/* User did a choice come out of the infinite loop */
-			break;
-	}
-	statusf("Avvio opzione '%s'", mainMenu[choice - 1]);
-	clrtoeol();
-	refresh();
-	destroy_win(mainWin);
-
-	return choice;
-}
-
-void runOptionsMenu(){
-	WINDOW *optionsWin;
-	int startx, starty, width, height;
-	height = LINES / 2;
-	width = COLS / 2; 
-	starty = 0; 
-	startx = COLS / 2;
-	optionsWin = create_newwin(height, width, starty, startx);
-
-	char input[MAX_LEN + 1];
-	strcpy(input, productPricesFileLocation);
-	int ch, pos = strlen(input);
-
-    mvwprintw(optionsWin, 1, 2, "Posizione file prodotti:");
-	wattron(optionsWin, COLOR_PAIR(2));
-	for (int i = 0; i < MAX_LEN; i++) {
-    	mvwaddch(optionsWin, 2, 2 + i, ' ');
-	}
-    mvwprintw(optionsWin, 2, 2, "%s", input);
-    wmove(optionsWin, 2, 2 + strlen(input));
-    wrefresh(optionsWin);
-
-    pos = strlen(input);
-
-    // Input nella finestra
-	curs_set(1);
-    while ((ch = wgetch(optionsWin)) != '\n') {
-        if (ch == KEY_BACKSPACE || ch == 127 || ch == '\b') {
-            if (pos > 0) {
-                pos--;
-                input[pos] = '\0';
-                mvwaddch(optionsWin, 2, 2 + pos, ' ');
-                wmove(optionsWin, 2, 2 + pos);
-            }
-        } else if (pos < MAX_LEN && ch >= 32 && ch <= 126) {
-            input[pos++] = ch;
-            input[pos] = '\0';
-            mvwaddch(optionsWin, 2, 2 + pos - 1, ch);
-        }
-        wrefresh(optionsWin);
-    }
-	curs_set(0);
-	wattroff(optionsWin, COLOR_PAIR(2));
-
-	if (existsFile(input)) {
-		statusf("Il file '%s' esiste e verra' utilizzato al posto di '%s'", input, productPricesFileLocation);
-		strcpy(productPricesFileLocation, input);
-	}
-	else {
-		warningf("Il file '%s' non esiste, utilizzo il vecchio file '%s'", input, productPricesFileLocation);
-	}
-
-	werase(optionsWin);
-	destroy_win(optionsWin);
-}
-
-void warningf(const char *fmt, ...) {
-    char buf[256];
-    va_list args;
-    va_start(args, fmt);
-    vsnprintf(buf, sizeof(buf), fmt, args);
-    va_end(args);
-    warning(buf);
-}
-
-void warning(char *string){
-	WINDOW *warningWin;
-	int startx, starty, width, height;
-	height = LINES / 2 - 2;
-	width = COLS / 2; 
-	starty = LINES / 2; 
-	startx = 0;
-	warningWin = create_newwin(height, width, starty, startx);
-	wbkgd(warningWin, COLOR_PAIR(1));
-	
-	mvwprintw(warningWin, 2, 2, "ATTENZIONE!!! E' avvenuto un errore! ");
-	wwrap_print(warningWin, 4, 3, string);
-	mvwprintw(warningWin, height - 1, 3, " Premi un tasto per continuare . . . ");
-
-	wrefresh(warningWin);
-	getch();
-	werase(warningWin);
-	destroy_win(warningWin);
-}
-
-
-void statusf(const char *fmt, ...) {
-    char buf[256];
-    va_list args;
-    va_start(args, fmt);
-    vsnprintf(buf, sizeof(buf), fmt, args);
-    va_end(args);
-    status(buf);
-}
-
-void status(char *msg) {
-    attron(COLOR_PAIR(3));
-    mvprintw(LINES -2, 0, "%-*s", COLS, msg);
-    attroff(COLOR_PAIR(3));
-	refresh();
-}
-
-
-WINDOW *create_newwin(int height, int width, int starty, int startx)
-{	WINDOW *local_win;
-
-	local_win = newwin(height, width, starty, startx);
-	box(local_win, 0 , 0);
-	wrefresh(local_win);
-
-	return local_win;
-}
-
-void destroy_win(WINDOW *local_win)
-{
-	wborder(local_win, ':', ':', '.', '.', '.', '.', '.', '.');
-	wrefresh(local_win);
-	delwin(local_win);
-}
-
-void print_menu(WINDOW *menu_win, int y, int x, int highlight)
-{
-	int i;
-	box(menu_win, 0, 0);
-	for(i = 0; i < n_mainMenu; ++i)
-	{	if(highlight == i + 1) /* High light the present choice */
-		{	wattron(menu_win, A_REVERSE);
-			mvwprintw(menu_win, y, x, "%s", mainMenu[i]);
-			wattroff(menu_win, A_REVERSE);
-		}
-		else
-			mvwprintw(menu_win, y, x, "%s", mainMenu[i]);
-		++y;
-	}
-	wrefresh(menu_win);
-}
-
-void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str) {
-	int max_width = getmaxx(win) - (start_y + 1);
-    int y = start_y;
-    int x = start_x;
-    int line_length = 0;
-    int word_length = 0;
-    const char *word_start = str;
-
-    while (*str) {
-        // Trova la prossima parola
-        if (*str != ' ' && *str != '\n' && *str != '\t') {
-            str++;
-            continue;
-        }
-
-        // Calcola lunghezza parola corrente
-        word_length = str - word_start;
-        
-        // Gestione wrap
-        if (line_length + word_length > max_width) {
-            y++;
-            x = start_x;
-            line_length = 0;
-        }
-
-        // Stampa parola
-        for (int i = 0; i < word_length; i++) {
-            mvwaddch(win, y, x++, word_start[i]);
-        }
-        line_length += word_length;
-
-        // Gestione spazi
-        if (*str == ' ' || *str == '\t') {
-            if (line_length < max_width) {
-                mvwaddch(win, y, x++, ' ');
-                line_length++;
-            } else {
-                y++;
-                x = start_x;
-                line_length = 0;
-            }
-        } else if (*str == '\n') {
-            y++;
-            x = start_x;
-            line_length = 0;
-        }
-
-        word_start = ++str;
-    }
-
-    // Stampa ultima parola
-    word_length = strlen(word_start);
-    if (line_length + word_length > max_width) {
-        y++;
-        x = start_x;
-    }
-    mvwprintw(win, y, x, "%s", word_start);
-}
-
diff --git a/src/windowsBack.c b/src/windowsBack.c
new file mode 100644
index 0000000..bf68c47
--- /dev/null
+++ b/src/windowsBack.c
@@ -0,0 +1,196 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ncurses.h>
+
+#include "../include/windowsBack.h"
+#include "../include/logic.h"
+#include "../include/globals.h"
+#define MAX_LEN 64
+
+void warningf(const char *fmt, ...) {
+    char buf[256];
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buf, sizeof(buf), fmt, args);
+    va_end(args);
+    warning(buf);
+}
+
+void warning(char *string){
+	WINDOW *warningWin;
+	int startx, starty, width, height;
+	height = LINES / 2 - 2;
+	width = COLS / 2; 
+	starty = LINES / 2; 
+	startx = 0;
+	warningWin = create_newwin(height, width, starty, startx);
+	wbkgd(warningWin, COLOR_PAIR(1));
+	
+	mvwprintw(warningWin, 2, 2, "ATTENZIONE!!! E' avvenuto un errore! ");
+	wwrap_print(warningWin, 4, 3, string);
+	mvwprintw(warningWin, height - 1, 3, " Premi un tasto per continuare . . . ");
+
+	wrefresh(warningWin);
+	getch();
+	werase(warningWin);
+	destroy_win(warningWin);
+}
+
+void statusf(const char *fmt, ...) {
+    char buf[256];
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(buf, sizeof(buf), fmt, args);
+    va_end(args);
+    status(buf);
+}
+
+void status(char *msg) {
+    attron(COLOR_PAIR(3));
+    mvprintw(LINES -2, 0, "%-*s", COLS, msg);
+    attroff(COLOR_PAIR(3));
+	refresh();
+}
+
+WINDOW *create_newwin(int height, int width, int starty, int startx)
+{	WINDOW *local_win;
+
+	local_win = newwin(height, width, starty, startx);
+	box(local_win, 0 , 0);
+	wrefresh(local_win);
+
+	return local_win;
+}
+
+void destroy_win(WINDOW *local_win)
+{
+	//wborder(local_win, ':', ':', '.', '.', '.', '.', '.', '.');
+	wrefresh(local_win);
+	delwin(local_win);
+}
+
+void wwrap_print(WINDOW *win, int start_y, int start_x, const char *str) {
+	int max_width = getmaxx(win) - (start_y + 1);
+    int y = start_y;
+    int x = start_x;
+    int line_length = 0;
+    int word_length = 0;
+    const char *word_start = str;
+
+    while (*str) {
+        // Trova la prossima parola
+        if (*str != ' ' && *str != '\n' && *str != '\t') {
+            str++;
+            continue;
+        }
+
+        // Calcola lunghezza parola corrente
+        word_length = str - word_start;
+        
+        // Gestione wrap
+        if (line_length + word_length > max_width) {
+            y++;
+            x = start_x;
+            line_length = 0;
+        }
+
+        // Stampa parola
+        for (int i = 0; i < word_length; i++) {
+            mvwaddch(win, y, x++, word_start[i]);
+        }
+        line_length += word_length;
+
+        // Gestione spazi
+        if (*str == ' ' || *str == '\t') {
+            if (line_length < max_width) {
+                mvwaddch(win, y, x++, ' ');
+                line_length++;
+            } else {
+                y++;
+                x = start_x;
+                line_length = 0;
+            }
+        } else if (*str == '\n') {
+            y++;
+            x = start_x;
+            line_length = 0;
+        }
+
+        word_start = ++str;
+    }
+
+    // Stampa ultima parola
+    word_length = strlen(word_start);
+    if (line_length + word_length > max_width) {
+        y++;
+        x = start_x;
+    }
+    mvwprintw(win, y, x, "%s", word_start);
+}
+
+int uiSelectMenu(WINDOW *win, int start_y, int start_x, char **options, int n_options) {
+    int highlight = 1, choice = 0, c;
+    keypad(win, TRUE);
+    while(1) {
+        for(int i = 0; i < n_options; ++i) {
+            if(highlight == i + 1) wattron(win, A_REVERSE);
+            mvwprintw(win, start_y + i, start_x, "%s", options[i]);
+            if(highlight == i + 1) wattroff(win, A_REVERSE);
+        }
+        wrefresh(win);
+        c = wgetch(win);
+        switch(c) {
+            case KEY_UP: case 'k': highlight = (highlight == 1) ? n_options : highlight - 1; break;
+            case KEY_DOWN: case 'j': highlight = (highlight == n_options) ? 1 : highlight + 1; break;
+            case 10: case 32: choice = highlight; break;
+        }
+        if(choice != 0) break;
+    }
+    return choice;
+}
+
+void uiTextInput(WINDOW *win, int y, int x, char *input, int max_len) {
+    int ch, pos = strlen(input);
+    wattron(win, COLOR_PAIR(2));
+    curs_set(1);
+    for(int i = 0; i < max_len; i++) mvwaddch(win, y, x + i, ' ');
+    mvwprintw(win, y, x, "%s", input);
+    wmove(win, y, x + pos);
+    wrefresh(win);
+    while ((ch = wgetch(win)) != '\n') {
+        if (ch == KEY_BACKSPACE || ch == 127 || ch == '\b') {
+            if (pos > 0) {
+                pos--;
+                input[pos] = '\0';
+                mvwaddch(win, y, x + pos, ' ');
+                wmove(win, y, x + pos);
+            }
+        } else if (pos < max_len && ch >= 32 && ch <= 126) {
+            input[pos++] = ch;
+            input[pos] = '\0';
+            mvwaddch(win, y, x + pos - 1, ch);
+        }
+        wrefresh(win);
+    }
+    curs_set(0);
+    wattroff(win, COLOR_PAIR(2));
+}
+
+int uiToggleSwitch(WINDOW *win, int y, int x, int state) {
+    int c;
+    keypad(win, TRUE);
+    while(1) {
+        wattron(win, A_REVERSE);
+        mvwprintw(win, y, x, state ? "[ ON ] " : "[ OFF ]");
+        wattroff(win, A_REVERSE);
+        wrefresh(win);
+        c = wgetch(win);
+        if (c == 10 || c == 32) break;
+        if (c == KEY_LEFT || c == KEY_RIGHT || c == 'h' || c == 'j' || c == 'k' || c == 'l') state = !state;
+    }
+    mvwprintw(win, y, x, state ? "[ ON ] " : "[ OFF ]");
+    wrefresh(win);
+    return state;
+}
+
diff --git a/src/windowsDeclaration.c b/src/windowsDeclaration.c
new file mode 100644
index 0000000..5802349
--- /dev/null
+++ b/src/windowsDeclaration.c
@@ -0,0 +1,89 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ncurses.h>
+
+#include "../include/windowsDeclaration.h"
+#include "../include/windowsBack.h"
+#include "../include/logic.h"
+#include "../include/globals.h"
+#define MAX_LEN 64
+
+void example_window() {
+    WINDOW *win;
+    int height = LINES / 2 -2;
+    int width = COLS / 2;
+    int starty = LINES / 2;
+    int startx = COLS / 2;
+    win = create_newwin(height, width, starty, startx);
+    mvwprintw(win, 1, 2, "Esempio Interfaccia");
+
+    char *opts[] = {"Opzione 1", "Opzione 2", "Opzione 3"};
+    mvwprintw(win, 3, 2, "Scegli dal menu:");
+    int menu_res = uiSelectMenu(win, 4, 4, opts, 3);
+
+    char txt_buf[64] = "Testo base";
+    mvwprintw(win, 9, 2, "Inserisci testo:");
+    uiTextInput(win, 9, 19, txt_buf, 30);
+
+    mvwprintw(win, 11, 2, "Attiva opzione:");
+    int switch_res = uiToggleSwitch(win, 11, 18, 0);
+
+    mvwprintw(win, 13, 2, "Scelto: M=%d, T=%s, S=%d", menu_res, txt_buf, switch_res);
+    wrefresh(win);
+    wgetch(win);
+    werase(win);
+    destroy_win(win);
+}
+
+int runMainMenu(){
+    char *mainMenu[] = {
+    	"Segna vendita",
+    	"Vedi vendite",
+    	"Vedi prodotti",
+    	"Gestisci prodotti",
+    	"Opzioni",
+    	"Exit"
+    };
+    int n_mainMenu = sizeof(mainMenu) / sizeof(char *);
+
+    WINDOW *mainWin;
+    int height = LINES / 2;
+    int width = COLS / 2;
+    int starty = 0;
+    int startx = 0;
+    mainWin = create_newwin(height, width, starty, startx);
+
+    wwrap_print(mainWin, 1, 2, "Usa le FRECCETTE ed INVIO per scegliere un'opzione,\nin alternativa ci sono i movement di vim e SPAZIO.");
+    refresh();
+
+    int choice = uiSelectMenu(mainWin, height / 2 - 3, width / 2 - 9, mainMenu, n_mainMenu);
+    statusf("Avvio opzione '%s'", mainMenu[choice - 1]);
+
+    clrtoeol();
+    refresh();
+
+    destroy_win(mainWin);
+    return choice;
+}
+
+void runOptionsMenu(){
+    WINDOW *optionsWin;
+    optionsWin = create_newwin(LINES/2, COLS/2, 0, COLS/2);
+
+    char input[MAX_LEN + 1];
+    strcpy(input, productPricesFileLocation);
+
+    mvwprintw(optionsWin, 1, 2, "Posizione file prodotti:");
+    uiTextInput(optionsWin, 2, 2, input, MAX_LEN);
+
+    if (existsFile(input)) {
+        statusf("Il file '%s' esiste e verra' utilizzato al posto di '%s'", input, productPricesFileLocation);
+        strcpy(productPricesFileLocation, input);
+    } else {
+        warningf("Il file '%s' non esiste, utilizzo il vecchio file '%s'", input, productPricesFileLocation);
+    }
+
+    werase(optionsWin);
+    destroy_win(optionsWin);
+}