transitions.slint - Codebrowser

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	TestCase := Rectangle {
5	property<int> top_level: `4`;
6	property<int> active_index: `0`;
7	property<int> some_prop: `5`;
8	text1 := Text {
9	property<int> foo: `85` + top_level;
10	}
11
12	states [
13	xxx when active_index == `1` : {
14	text1.foo: `3` + `2` * top_level;
15	some_prop: `2000`;
16	}
17	]
18
19	transitions [
20	in xxx: {
21	animate some_prop { duration: `100ms`; }
22	}
23	out xxx: {
24	animate text1.foo { duration: `300ms`; }
25	}
26	]
27
28	property<int> text1_foo: text1.foo;
29
30	}
31
32
33	/*
34
35	```rust
36	let instance = TestCase::new().unwrap();
37	assert_eq!(instance.get_text1_foo(), 85 + 4);
38	assert_eq!(instance.get_some_prop(), 5);
39	instance.set_active_index(1);
40	assert_eq!(instance.get_text1_foo(), 3 + 2 4);*
41	assert_eq!(instance.get_some_prop(), 5);
42	slint_testing::mock_elapsed_time(75); // 75% the animation
43	assert!(instance.get_some_prop() > 1500);
44	assert!(instance.get_some_prop() < 1999);
45	slint_testing::mock_elapsed_time(30); // more than 100% the animation
46	assert_eq!(instance.get_some_prop(), 2000);
47
48	instance.set_active_index(2);
49	assert_eq!(instance.get_some_prop(), 5);
50	assert_eq!(instance.get_text1_foo(), 3 + 2 4);*
51	slint_testing::mock_elapsed_time(290);
52	assert!(instance.get_text1_foo() > 70);
53	assert!(instance.get_text1_foo() < 87);
54	slint_testing::mock_elapsed_time(30);
55	assert_eq!(instance.get_text1_foo(), 85 + 4);
56	```
57
58
59	```cpp
60	auto handle = TestCase::create();
61	const TestCase &instance = handle;*
62	assert_eq(instance.get_text1_foo(), 85 + 4);
63	assert_eq(instance.get_some_prop(), 5);
64	instance.set_active_index(1);
65	assert_eq(instance.get_text1_foo(), 3 + 2 4);*
66	assert_eq(instance.get_some_prop(), 5);
67	slint_testing::mock_elapsed_time(75); // 75% the animation
68	assert(instance.get_some_prop() > 1500);
69	assert(instance.get_some_prop() < 1999);
70	slint_testing::mock_elapsed_time(30); // more than 100% the animation
71	assert_eq(instance.get_some_prop(), 2000);
72
73	instance.set_active_index(2);
74	assert_eq(instance.get_some_prop(), 5);
75	assert_eq(instance.get_text1_foo(), 3 + 2 4);*
76	slint_testing::mock_elapsed_time(290);
77	assert(instance.get_text1_foo() > 70);
78	assert(instance.get_text1_foo() < 87);
79	slint_testing::mock_elapsed_time(30);
80	assert_eq(instance.get_text1_foo(), 85 + 4);
81	```
82
83
84	```js
85	var instance = new slint.TestCase({});
86	assert.equal(instance.text1_foo, 85 + 4);
87	assert.equal(instance.some_prop, 5);
88	instance.active_index = 1;
89	assert.equal(instance.text1_foo, 3 + 2 4);*
90	assert.equal(instance.some_prop, 5);
91	slintlib.private_api.mock_elapsed_time(75); // 75% the animation
92	assert(instance.some_prop > 1500);
93	assert(instance.some_prop < 1999);
94	slintlib.private_api.mock_elapsed_time(30); // more than 100% the animation
95	assert.equal(instance.some_prop, 2000);
96
97	instance.active_index = 2;
98	assert.equal(instance.some_prop, 5);
99	assert.equal(instance.text1_foo, 3 + 2 4);*
100	slintlib.private_api.mock_elapsed_time(290);
101	assert(instance.text1_foo > 70);
102	assert(instance.text1_foo < 87);
103	slintlib.private_api.mock_elapsed_time(30);
104	assert.equal(instance.text1_foo, 85 + 4);
105	```
106
107	*/
108