alias_to_global.slint

1	// Copyright © SixtyFPS GmbH <info@slint.dev>
2	// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.1 OR LicenseRef-Slint-commercial
3
4	import { StyleMetrics } from "std-widgets.slint";
5
6	global Glop := {
7	property <int> hello: `42`;
8	property <int> second: `88`;
9	property <int> third: `102`;
10	}
11
12	global DualBindingGlop := {
13	property third <=> Glop.third;
14	}
15
16	Widget := Rectangle {
17	property second <=> Glop.second;
18	}
19
20	TestCase := Rectangle {
21	// This is meant to test an alias to a native global.
22	// Unfortunately, this is only a native global with the Qt backend and not with the Test backend
23	property <length> alias_to_native <=> StyleMetrics.text_cursor_width;
24	property <int> alias_to_global <=> Glop.hello;
25	property <bool> test: alias_to_native == StyleMetrics.text_cursor_width && alias_to_global == `42` && indirect == `88`;
26	property <int> indirect <=> widget.second;
27	property <int> direct: Glop.second;
28	property <int> dual <=> DualBindingGlop.third;
29
30	widget := Widget { }
31	}
32
33	/*
34	```rust
35	let instance = TestCase::new().unwrap();
36	assert!(instance.get_test());
37	assert_eq!(instance.get_alias_to_global(), 42);
38	instance.set_alias_to_global(123);
39	assert_eq!(instance.get_alias_to_global(), 123);
40	assert_eq!(instance.get_indirect(), 88);
41	instance.set_indirect(99);
42	assert_eq!(instance.get_direct(), 99);
43	assert_eq!(instance.get_dual(), 102);
44
45	```
46
47	```cpp
48	auto handle = TestCase::create();
49	const TestCase &instance = handle;*
50	assert(instance.get_test());
51	assert_eq(instance.get_dual(), 102);
52	```
53
54	```js
55	let instance = new slint.TestCase({});
56	assert(instance.test);
57	assert.equal(instance.alias_to_global, 42);
58	instance.alias_to_global = 123;
59	assert.equal(instance.alias_to_global, 123);
60	assert.equal(instance.indirect, 88);
61	instance.indirect = 99;
62	assert.equal(instance.direct, 99);
63	assert.equal(instance.dual, 102);
64	```
65
66	*/
67