it loops instead of having massive code repetition is i good yet?

This commit is contained in:
Raatty 2018-12-13 22:45:31 +13:00
parent 87c7f0cefb
commit de7ffbe70e
1 changed files with 35 additions and 124 deletions

View File

@ -73,132 +73,43 @@ fn main() {
// row 0
let cal0 = calc.clone();
container.add(&cal0.borrow().label);
// row 1
let row1 = gtk::Box::new(gtk::Orientation::Horizontal, 1);
let button1 = Button::new_with_label("1");
row1.add(&button1);
let cal1 = calc.clone();
button1.connect_clicked(move |but| {
cal1.borrow_mut().handle_number(but.get_label().unwrap());
});
let button2 = Button::new_with_label("2");
row1.add(&button2);
let cal2 = calc.clone();
button2.connect_clicked(move |but| {
cal2.borrow_mut().handle_number(but.get_label().unwrap());
let keys: [[&'static str; 3]; 5] = [
["1", "2", "3"],
["4", "5", "6"],
["7", "8", "9"],
["0", "-", "+"],
["*", "/", "="],
];
for row in &keys {
let gui_row = gtk::Box::new(gtk::Orientation::Horizontal, 1);
for button in row {
let gui_button = Button::new_with_label(button);
gui_row.add(&gui_button);
let cal_copy = calc.clone();
gui_button.connect_clicked(move |but| {
let label = but.get_label().unwrap();
match label.chars().next().unwrap() {
'0'...'9' => cal_copy.borrow_mut().handle_number(label),
'-' | '+' | '*' | '/' => {
let mut cal_ops_borrowed = cal_copy.borrow_mut();
cal_ops_borrowed.operator = Some(match label.as_ref() {
"-" => Operators::MINUS,
"+" => Operators::PLUS,
"*" => Operators::MULTIPLY,
"/" => Operators::DIVIDE,
_ => panic!("oh noes, unknown operator"),
});
cal_ops_borrowed.display();
}
'=' => cal_copy.borrow_mut().eval(),
_ => panic!("oh noes unknowen button label"),
};
});
}
container.add(&gui_row);
}
let button3 = Button::new_with_label("3");
row1.add(&button3);
let cal3 = calc.clone();
button3.connect_clicked(move |but| {
cal3.borrow_mut().handle_number(but.get_label().unwrap());
});
// row 2
let row2 = gtk::Box::new(gtk::Orientation::Horizontal, 1);
let button4 = Button::new_with_label("4");
row2.add(&button4);
let cal4 = calc.clone();
button4.connect_clicked(move |but| {
cal4.borrow_mut().handle_number(but.get_label().unwrap());
});
let button5 = Button::new_with_label("5");
row2.add(&button5);
let cal5 = calc.clone();
button5.connect_clicked(move |but| {
cal5.borrow_mut().handle_number(but.get_label().unwrap());
});
let button6 = Button::new_with_label("6");
row2.add(&button6);
let cal6 = calc.clone();
button6.connect_clicked(move |but| {
cal6.borrow_mut().handle_number(but.get_label().unwrap());
});
// row 3
let row3 = gtk::Box::new(gtk::Orientation::Horizontal, 1);
let button7 = Button::new_with_label("7");
row3.add(&button7);
let cal7 = calc.clone();
button7.connect_clicked(move |but| {
cal7.borrow_mut().handle_number(but.get_label().unwrap());
});
let button8 = Button::new_with_label("8");
row3.add(&button8);
let cal8 = calc.clone();
button8.connect_clicked(move |but| {
cal8.borrow_mut().handle_number(but.get_label().unwrap());
});
let button9 = Button::new_with_label("9");
row3.add(&button9);
let cal9 = calc.clone();
button9.connect_clicked(move |but| {
cal9.borrow_mut().handle_number(but.get_label().unwrap());
});
// row 4
let row4 = gtk::Box::new(gtk::Orientation::Horizontal, 1);
let button0 = Button::new_with_label("0");
row4.add(&button0);
let cal0 = calc.clone();
button0.connect_clicked(move |but| {
cal0.borrow_mut().handle_number(but.get_label().unwrap());
});
let button_sub = Button::new_with_label("-");
row4.add(&button_sub);
let cal_sub = calc.clone();
button_sub.connect_clicked(move |_| {
let mut cal_sub_borrowed = cal_sub.borrow_mut();
cal_sub_borrowed.operator = Some(Operators::MINUS);
cal_sub_borrowed.display();
});
let button_add = Button::new_with_label("+");
row4.add(&button_add);
let cal_add = calc.clone();
button_add.connect_clicked(move |_| {
let mut cal_add_borrowed = cal_add.borrow_mut();
cal_add_borrowed.operator = Some(Operators::PLUS);
cal_add_borrowed.display();
});
// row 5
let row5 = gtk::Box::new(gtk::Orientation::Horizontal, 1);
let button_mult = Button::new_with_label("*");
row5.add(&button_mult);
let cal_mult = calc.clone();
button_mult.connect_clicked(move |_| {
let mut cal_mult_borrowed = cal_mult.borrow_mut();
cal_mult_borrowed.operator = Some(Operators::MULTIPLY);
cal_mult_borrowed.display();
});
let button_div = Button::new_with_label("/");
row5.add(&button_div);
let cal_div = calc.clone();
button_div.connect_clicked(move |_| {
let mut cal_div_borrowed = cal_div.borrow_mut();
cal_div_borrowed.operator = Some(Operators::DIVIDE);
cal_div_borrowed.display();
});
let button_equals = Button::new_with_label("=");
row5.add(&button_equals);
let cal_eq = calc.clone();
button_equals.connect_clicked(move |_| {
let mut cal_eq_borrowed = cal_eq.borrow_mut();
cal_eq_borrowed.eval();
});
// add rows to window
container.add(&row1);
container.add(&row2);
container.add(&row3);
container.add(&row4);
container.add(&row5);
window.add(&container);
window.show_all();
window.connect_delete_event(|_, _| {