Diff: Menu.cpp

Revision:

1:3bdadf6f6dbd

Parent:

0:99b49fd71085

Child:

2:1703eb2a68f8

--- a/Menu.cpp	Tue Apr 13 10:06:02 2021 +0000
+++ b/Menu.cpp	Sat Apr 17 11:38:39 2021 +0000
@@ -62,8 +62,6 @@
 
 void Menu::homescreen(N5110 &lcd) {
     lcd.clear();
-    // lcd.drawLine(0,46,0,0,1);
-    // lcd.drawLine(84,0,84,46,1);
     lcd.printString(" Press Button ", 0, 0);
     lcd.printString("  to Select: ", 0, 1);
     lcd.printString(" A - Play", 0, 3);
@@ -73,31 +71,117 @@
 }
 
 void Menu::play(N5110 &lcd) {
+    lcd.clear();
     lcd.printString("Play", 0, 0);
+    lcd.refresh();
 }
 
 void Menu::tutorial(N5110 &lcd) {
-    lcd.printString("Tutorial", 0, 0);
+    lcd.clear();
+    lcd.printString("Tutorial", 0, 0); // mention that to select in-game options, you can click the joystick?
+    lcd.refresh();
+}
+
+void Menu::options_menu(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC) {
+    lcd.clear();
+    lcd.printString("Select Option: ", 0, 0);
+    lcd.printString("A-Sound ON/OFF", 0, 2);
+    lcd.printString("B-Brightness", 0, 3);
+    lcd.printString("C-Go back", 0, 4);
+    /*
+    while (1) {
+        if (buttonA.read() == 1) {
+            lcd.printString(" Sound turned ON!", 0, 3); // Note: add code for sound ON/OFF after making sound library!
+            break;
+        }
+        if (buttonB.read() == 1) {
+            lcd.printString("Set Brightness to: ", 0, 0);
+            lcd.printString(" A - High", 0, 3);
+            lcd.printString(" B - Medium", 0, 4);
+            lcd.printString(" C - Low", 0, 5);
+            if (buttonA.read() == 1) {lcd.setBrightness(0.2);}
+            if (buttonB.read() == 1) {lcd.setBrightness(0.5);}
+            if (buttonC.read() == 1) {lcd.setBrightness(0.8);}
+            break;
+        }
+        if (buttonC.read() == 1) {
+            homescreen(lcd);
+            break;
+        }
+    */
+    
+    lcd.refresh();
 }
 
-void Menu::options_menu(N5110 &lcd) {
-    lcd.printString("Options", 0, 0);
+void Menu::menu_selection(N5110 &lcd, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC, DigitalIn &buttonD) {
+    // this function takes the user input and selects the relevant menu item
+    
+    while (1) {
+        /*
+        int user_input = get_user_input(int input, buttonA, buttonB, buttonC, buttonD);
+        if (user_input == 1) {
+            play(lcd);
+            break;
+        }
+        if (user_input == 2) {
+            tutorial(lcd);
+            break;
+        }
+        if (user_input == 3) {
+            options_menu(lcd, buttonA, buttonB, buttonC);
+            break;
+        }
+        if (user_input == 4) {
+            homescreen(lcd);
+            break;      // Note for possible mistakes: address-of operator or int input in this function  
+        }
+        */
+        // working code
+        if (buttonA.read() == 1) { // we use if statement instead of while loop so that button input do not interfere with the next menu, only this one!
+            play(lcd);
+            break;
+        }
+        if (buttonB.read() == 1) {
+            tutorial(lcd);
+            break;
+        }
+        if (buttonC.read() == 1) {
+            options_menu(lcd, buttonA, buttonB, buttonC);
+            break;
+        }
+        if (buttonD.read() == 1) { // user can click button D to return to main menu
+            homescreen(lcd);
+            continue;
+        }
+    }
 }
+
+// ******************************************************************************************************************************
 /*
-void Menu::select_item(char button) { // using case switching for each screen
-  switch (button) {
-    case 'A':
-      play(lcd);
-      break;
-    case 'B':
-      tutorial(lcd);
-      break;
-    case 'C':
-      options_menu(lcd);
-      break;
-    default:
-      homescreen(lcd); 
-      break;
-  }
+// function - gets user input from buttons A B C D
+int Menu::get_user_input(int &input, DigitalIn &buttonA, DigitalIn &buttonB, DigitalIn &buttonC, DigitalIn &buttonD) {
+    // we use address-of operator for int input to pass the actual reference for the input value not just a copy of it
+    while (1) {
+        if (buttonA.read() == 1) { 
+            input = 1;
+            break;
+        }
+        if (buttonB.read() == 1) {
+            input  = 2;
+            break;
+        }
+        if (buttonC.read() == 1) {
+            input  = 3;
+            break;
+        }
+        if (buttonD.read() == 1) {
+            input  = 4;
+            break;
+        }
+    }
+    printf("input is %i", input);
+    return input;
 }
 */
+
+