slint/tests/cases/widgets/button.slint

// Copyright © SixtyFPS GmbH <info@slint.dev>
// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0

import { ComboBox, Button } from "std-widgets.slint";
export component TestCase inherits Window {

    in-out property <string> clicked;
    in-out property <bool> a-checked <=> a.checked;
    out property <bool> a-focused <=> a.has-focus;
    public function focus-a() { a.focus(); }


    HorizontalLayout {
        alignment: start;
        a := Button {
            checkable: true;
            text: "Aaa";
            accessible-description: "Checkable Button";
            clicked => {clicked += "a"; }
        }

        b := Button {
            text: "Bbb";
            accessible-description: "Normal Button";
            clicked => {clicked += "b"; }
        }

        Button {
            text: "Ccc";
            clicked => {clicked += "c"; }
        }
    }

}


/*
```rust
use slint::{SharedString};
use slint::platform::Key;

let instance = TestCase::new().unwrap();

slint_testing::send_keyboard_string_sequence(&instance, &SharedString::from(Key::Space));

assert_eq!(instance.get_clicked(), SharedString::from(""));
assert_eq!(instance.get_a_checked(), false);

let mut result = slint_testing::ElementHandle::find_by_element_id(&instance, "TestCase::a").collect::<Vec<_>>();
assert_eq!(result.len(), 1);
let aaa = result.pop().unwrap();
assert_eq!(aaa.accessible_label().unwrap(), "Aaa");
assert_eq!(aaa.accessible_description().unwrap(), "Checkable Button");
assert_eq!(aaa.accessible_value(), None);
assert_eq!(aaa.accessible_value_maximum(), None);
assert_eq!(aaa.accessible_value_minimum(), None);
assert_eq!(aaa.accessible_value_step(), None);
assert_eq!(instance.get_a_focused(), false);
assert_eq!(aaa.accessible_checked(), Some(false));
assert_eq!(aaa.accessible_checkable(), Some(true));
aaa.invoke_accessible_default_action();
assert_eq!(instance.get_clicked(), SharedString::from("a"));
assert_eq!(instance.get_a_checked(), true, "button Aaa was not checked");
assert_eq!(aaa.accessible_checked(), Some(true));
assert_eq!(instance.get_a_focused(), false);
instance.set_clicked("".into());

instance.invoke_focus_a();
assert_eq!(instance.get_a_focused(), true);
slint_testing::send_keyboard_string_sequence(&instance, &SharedString::from(Key::Space));
assert_eq!(instance.get_clicked(), SharedString::from("a"));
assert_eq!(instance.get_a_checked(), false, "button aaa was not toggled on space");
assert_eq!(aaa.accessible_checked(), Some(false));
assert_eq!(instance.get_a_focused(), true);

slint_testing::send_keyboard_string_sequence(&instance, &SharedString::from(Key::Return));
assert_eq!(instance.get_clicked(), SharedString::from("aa"));
assert_eq!(instance.get_a_checked(), true, "button aaa was not toggled on enter");
assert_eq!(aaa.accessible_checked(), Some(true));
assert_eq!(instance.get_a_focused(), true);

let mut result = slint_testing::ElementHandle::find_by_element_id(&instance, "TestCase::b").collect::<Vec<_>>();
assert_eq!(result.len(), 1);
let bbb = result.pop().unwrap();
assert_eq!(bbb.accessible_label().unwrap(), "Bbb");
assert_eq!(bbb.accessible_description().unwrap(), "Normal Button");
assert_eq!(bbb.accessible_value(), None);
assert_eq!(bbb.accessible_checked(), Some(false));
assert_eq!(bbb.accessible_checkable(), Some(false));
let origin = bbb.absolute_position();
let size = bbb.size();
slint_testing::send_mouse_click(&instance, origin.x + size.width/2., origin.y + size.height/2.);
assert_eq!(instance.get_clicked(), SharedString::from("aab"));
assert_eq!(bbb.accessible_checked(), Some(false));

// a is still focused
assert_eq!(instance.get_a_focused(), true);


```

```cpp
auto handle = TestCase::create();
const TestCase &instance = *handle;

auto label_search = slint::testing::ElementHandle::find_by_element_id(handle, "TestCase::a");
assert(label_search.size() == 1);
auto aaa = label_search[0];
assert_eq(aaa.accessible_label().value(), "Aaa");
assert_eq(aaa.accessible_description().value(), "Checkable Button");
assert(!aaa.accessible_value());
assert(!aaa.accessible_value_maximum());
assert(!aaa.accessible_value_minimum());
assert(!aaa.accessible_value_step());
assert_eq(aaa.accessible_checked().value(), false);
assert_eq(aaa.accessible_checkable().value(), true);
aaa.invoke_accessible_default_action();
assert_eq(instance.get_clicked(), "a");
assert_eq(aaa.accessible_checked().value(), true);
assert_eq(instance.get_a_focused(), false);

instance.set_clicked("");

instance.invoke_focus_a();
slint_testing::send_keyboard_string_sequence(&instance, " ");
assert_eq(instance.get_clicked(), "a");
assert_eq(aaa.accessible_checked().value(), false);
assert_eq(instance.get_a_focused(), true);
slint_testing::send_keyboard_string_sequence(&instance, "\n");
assert_eq(instance.get_clicked(), "aa");
assert_eq(aaa.accessible_checked().value(), true);
assert_eq(instance.get_a_focused(), true);

label_search = slint::testing::ElementHandle::find_by_element_id(handle, "TestCase::b");
assert(label_search.size() == 1);
auto bbb = label_search[0];
assert_eq(bbb.accessible_label().value(), "Bbb");
assert_eq(bbb.accessible_description().value(), "Normal Button");
assert(!bbb.accessible_value());
assert_eq(bbb.accessible_checkable().value(), false);
assert_eq(bbb.accessible_checked().value(), false);
auto origin = bbb.absolute_position();
auto size = bbb.size();
slint_testing::send_mouse_click(&instance, origin.x + size.width / 2, origin.y + size.height / 2);
assert_eq(instance.get_clicked(), "aab");
assert_eq(bbb.accessible_checked().value(), false);
assert_eq(instance.get_a_focused(), true);


```

*/