72 lines
2.3 KiB
Rust
72 lines
2.3 KiB
Rust
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use std::time::Duration;
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use crossterm_winapi::{Console, Handle, InputEventType, KeyEventRecord, MouseEvent};
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use crate::event::sys::windows::WinApiPoll;
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use crate::event::Event;
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use super::super::{
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source::EventSource,
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sys::windows::{handle_key_event, handle_mouse_event},
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timeout::PollTimeout,
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InternalEvent, Result,
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};
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pub(crate) struct WindowsEventSource {
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console: Console,
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poll: WinApiPoll,
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}
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impl WindowsEventSource {
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pub(crate) fn new() -> Result<WindowsEventSource> {
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let console = Console::from(Handle::current_in_handle()?);
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Ok(WindowsEventSource {
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console,
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poll: WinApiPoll::new()?,
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})
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}
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}
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impl EventSource for WindowsEventSource {
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fn try_read(&mut self, timeout: Option<Duration>) -> Result<Option<InternalEvent>> {
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let poll_timeout = PollTimeout::new(timeout);
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loop {
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if let Some(event_ready) = self.poll.poll(timeout)? {
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if event_ready && self.console.number_of_console_input_events()? != 0 {
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let input = self.console.read_single_input_event()?;
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let event = match input.event_type {
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InputEventType::KeyEvent => handle_key_event(unsafe {
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KeyEventRecord::from(*input.event.KeyEvent())
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})?,
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InputEventType::MouseEvent => handle_mouse_event(unsafe {
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MouseEvent::from(*input.event.MouseEvent())
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})?,
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InputEventType::WindowBufferSizeEvent => {
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let new_size = crate::terminal::size()?;
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Some(Event::Resize(new_size.0, new_size.1))
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}
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InputEventType::FocusEvent | InputEventType::MenuEvent => None,
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};
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return Ok(match event {
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None => None,
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Some(event) => Some(InternalEvent::Event(event)),
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});
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}
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} else {
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return Ok(None);
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}
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if poll_timeout.elapsed() {
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return Ok(None);
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}
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}
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}
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fn wake(&self) {
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let _ = self.poll.cancel();
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}
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}
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