Anna Klaussen / Mbed 2 deprecated DigitalEtchASketch

This project is a DIY mbed version of your favorite childhood game

Dependencies:   mbed 4DGL-uLCD-SE LCD_fonts SDFileSystem MMA8452

menu.cpp@0:bce994168592, 2019-04-14 (annotated)

Committer:
aklaussen
Date:
Sun Apr 14 01:39:35 2019 +0000
Revision:
0:bce994168592
publish working code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
aklaussen 0:bce994168592 1 #include "mbed.h"
aklaussen 0:bce994168592 2 #include "uLCD_4DGL.h"
aklaussen 0:bce994168592 3
aklaussen 0:bce994168592 4 #include <string>
aklaussen 0:bce994168592 5 #include <vector>
aklaussen 0:bce994168592 6
aklaussen 0:bce994168592 7 #include "menu.h"
aklaussen 0:bce994168592 8
aklaussen 0:bce994168592 9 //devices declared in main
aklaussen 0:bce994168592 10 extern AnalogIn left_pot;
aklaussen 0:bce994168592 11 extern AnalogIn right_pot;
aklaussen 0:bce994168592 12 extern uLCD_4DGL uLCD;
aklaussen 0:bce994168592 13 extern bool pushed;
aklaussen 0:bce994168592 14
aklaussen 0:bce994168592 15
aklaussen 0:bce994168592 16 //constructors
aklaussen 0:bce994168592 17 Menu::Menu (std::string name,
aklaussen 0:bce994168592 18 std::string label,
aklaussen 0:bce994168592 19 void (*onClick)()) {
aklaussen 0:bce994168592 20 this->name = name;
aklaussen 0:bce994168592 21 this->label = label;
aklaussen 0:bce994168592 22 this->parent = parent;
aklaussen 0:bce994168592 23 this->onClick = onClick;
aklaussen 0:bce994168592 24 }
aklaussen 0:bce994168592 25
aklaussen 0:bce994168592 26 //static initialization
aklaussen 0:bce994168592 27 int Menu::selected_entry = 0;
aklaussen 0:bce994168592 28 Menu* Menu::active_menu = NULL;
aklaussen 0:bce994168592 29
aklaussen 0:bce994168592 30 void Menu::go_back(){
aklaussen 0:bce994168592 31 active_menu = active_menu->parent;
aklaussen 0:bce994168592 32 active_menu->draw();
aklaussen 0:bce994168592 33 active_menu->draw_cursor();
aklaussen 0:bce994168592 34 }
aklaussen 0:bce994168592 35 void Menu::set_active(){
aklaussen 0:bce994168592 36 active_menu = this;
aklaussen 0:bce994168592 37 }
aklaussen 0:bce994168592 38
aklaussen 0:bce994168592 39 void Menu::draw(){
aklaussen 0:bce994168592 40 uLCD.cls();
aklaussen 0:bce994168592 41 uLCD.color(GREEN);
aklaussen 0:bce994168592 42 uLCD.locate(0,0);
aklaussen 0:bce994168592 43 //print each of the sub-entries
aklaussen 0:bce994168592 44 for(int i = 0; i < this->entries.size(); i++) {
aklaussen 0:bce994168592 45 uLCD.printf(" %s\n", this->entries[i]->label.c_str());
aklaussen 0:bce994168592 46 }
aklaussen 0:bce994168592 47 }
aklaussen 0:bce994168592 48 void Menu::clear_cursor(){
aklaussen 0:bce994168592 49 uLCD.locate(0, Menu::selected_entry);
aklaussen 0:bce994168592 50 uLCD.color(BLACK);
aklaussen 0:bce994168592 51 uLCD.printf("*");
aklaussen 0:bce994168592 52 }
aklaussen 0:bce994168592 53 void Menu::draw_cursor() {
aklaussen 0:bce994168592 54 uLCD.locate(0, Menu::selected_entry);
aklaussen 0:bce994168592 55 uLCD.color(GREEN);
aklaussen 0:bce994168592 56 uLCD.printf("*");
aklaussen 0:bce994168592 57 }
aklaussen 0:bce994168592 58 void Menu::update_cursor() {
aklaussen 0:bce994168592 59 int new_selection = (int)(left_pot * Menu::active_menu->entries.size());
aklaussen 0:bce994168592 60 if (new_selection == Menu::active_menu->entries.size()) new_selection--;
aklaussen 0:bce994168592 61 if (new_selection != Menu::selected_entry) {
aklaussen 0:bce994168592 62 clear_cursor();
aklaussen 0:bce994168592 63 selected_entry = new_selection;
aklaussen 0:bce994168592 64 draw_cursor();
aklaussen 0:bce994168592 65 }
aklaussen 0:bce994168592 66 }
aklaussen 0:bce994168592 67 std::string Menu::run() {
aklaussen 0:bce994168592 68 active_menu->draw();
aklaussen 0:bce994168592 69 draw_cursor();
aklaussen 0:bce994168592 70 while(1) {
aklaussen 0:bce994168592 71 update_cursor();
aklaussen 0:bce994168592 72 if(pushed) {
aklaussen 0:bce994168592 73 wait(.5);
aklaussen 0:bce994168592 74 pushed = false;
aklaussen 0:bce994168592 75 //if(active_menu->entries.size() == 0)
aklaussen 0:bce994168592 76 // uLCD.printf("No Entries!");
aklaussen 0:bce994168592 77 if (active_menu->entries[selected_entry]->select() == 1)
aklaussen 0:bce994168592 78 continue;
aklaussen 0:bce994168592 79 else
aklaussen 0:bce994168592 80 return active_menu->entries[selected_entry]->label;
aklaussen 0:bce994168592 81 }
aklaussen 0:bce994168592 82 }
aklaussen 0:bce994168592 83 }
aklaussen 0:bce994168592 84 int Menu::select() {
aklaussen 0:bce994168592 85 if (name == "END") {
aklaussen 0:bce994168592 86 return 0;
aklaussen 0:bce994168592 87 }
aklaussen 0:bce994168592 88 if (onClick != NULL) {
aklaussen 0:bce994168592 89 onClick();
aklaussen 0:bce994168592 90 return 1;
aklaussen 0:bce994168592 91 } else {
aklaussen 0:bce994168592 92 set_active();
aklaussen 0:bce994168592 93 draw();
aklaussen 0:bce994168592 94 return 1;
aklaussen 0:bce994168592 95
aklaussen 0:bce994168592 96 }
aklaussen 0:bce994168592 97
aklaussen 0:bce994168592 98 }
aklaussen 0:bce994168592 99 void Menu::add_child(Menu* child) {
aklaussen 0:bce994168592 100 entries.push_back(child);
aklaussen 0:bce994168592 101 child->parent = this;
aklaussen 0:bce994168592 102 }