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hub / github.com/RustCV/RustCV / wait_key

Function wait_key

rustcv/src/highgui/mod.rs:85–113  ·  view source on GitHub ↗

等待按键

(delay: i32)

Source from the content-addressed store, hash-verified

83
84/// 等待按键
85pub fn wait_key(delay: i32) -> Result<i32> {
86 let mut manager = WINDOW_MANAGER
87 .lock()
88 .map_err(|_| anyhow!("Failed to lock window manager"))?;
89
90 if delay > 0 {
91 std::thread::sleep(Duration::from_millis(delay as u64));
92 }
93
94 for wrapper in manager.values_mut() {
95 let window = &mut wrapper.0; // 访问内部 Window
96
97 // 映射常用键
98 if window.is_key_down(Key::Escape) {
99 return Ok(27);
100 }
101 if window.is_key_down(Key::Space) {
102 return Ok(32);
103 }
104 if window.is_key_down(Key::Enter) {
105 return Ok(13);
106 }
107 if window.is_key_down(Key::Q) {
108 return Ok(113);
109 }
110 }
111
112 Ok(-1)
113}
114
115/// 销毁所有窗口
116pub fn destroy_all_windows() -> Result<()> {

Callers 1

mainFunction · 0.85

Calls

no outgoing calls

Tested by

no test coverage detected