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Add new Ime event for desktop platforms

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This commit brings new Ime event to account for preedit state of input
method, also adding `Window::set_ime_allowed` to toggle IME input on
the particular window.

This commit implements API as designed in #1497 for desktop platforms.

Co-authored-by: Artur Kovacs <kovacs.artur.barnabas@gmail.com>
Co-authored-by: Markus Siglreithmaier <m.siglreith@gmail.com>
Co-authored-by: Murarth <murarth@gmail.com>
Co-authored-by: Yusuke Kominami <yukke.konan@gmail.com>
Co-authored-by: moko256 <koutaro.mo@gmail.com>
This commit is contained in:
Kirill Chibisov 2022-05-07 05:29:25 +03:00 • committed by GitHub
parent b4175c1454
commit f04fa5d54f
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GPG key ID: 4AEE18F83AFDEB23
30 changed files with 1346 additions and 311 deletions
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97
examples/ime.rs Normal file
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@ -0,0 +1,97 @@
use log::LevelFilter;
use simple_logger::SimpleLogger;
use winit::{
dpi::PhysicalPosition,
event::{ElementState, Event, Ime, VirtualKeyCode, WindowEvent},
event_loop::{ControlFlow, EventLoop},
window::WindowBuilder,
};
fn main() {
SimpleLogger::new()
.with_level(LevelFilter::Trace)
.init()
.unwrap();
println!("IME position will system default");
println!("Click to set IME position to cursor's");
println!("Press F2 to toggle IME. See the documentation of `set_ime_allowed` for more info");
let event_loop = EventLoop::new();
let window = WindowBuilder::new()
.with_inner_size(winit::dpi::LogicalSize::new(256f64, 128f64))
.build(&event_loop)
.unwrap();
let mut ime_allowed = true;
window.set_ime_allowed(ime_allowed);
let mut may_show_ime = false;
let mut cursor_position = PhysicalPosition::new(0.0, 0.0);
let mut ime_pos = PhysicalPosition::new(0.0, 0.0);
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Wait;
match event {
Event::WindowEvent {
event: WindowEvent::CloseRequested,
..
} => *control_flow = ControlFlow::Exit,
Event::WindowEvent {
event: WindowEvent::CursorMoved { position, .. },
..
} => {
cursor_position = position;
}
Event::WindowEvent {
event:
WindowEvent::MouseInput {
state: ElementState::Released,
..
},
..
} => {
println!(
"Setting ime position to {}, {}",
cursor_position.x, cursor_position.y
);
ime_pos = cursor_position;
if may_show_ime {
window.set_ime_position(ime_pos);
}
}
Event::WindowEvent {
event: WindowEvent::Ime(event),
..
} => {
println!("{:?}", event);
may_show_ime = event != Ime::Disabled;
if may_show_ime {
window.set_ime_position(ime_pos);
}
}
Event::WindowEvent {
event: WindowEvent::ReceivedCharacter(ch),
..
} => {
println!("ch: {:?}", ch);
}
Event::WindowEvent {
event: WindowEvent::KeyboardInput { input, .. },
..
} => {
println!("key: {:?}", input);
if input.state == ElementState::Pressed
&& input.virtual_keycode == Some(VirtualKeyCode::F2)
{
ime_allowed = !ime_allowed;
window.set_ime_allowed(ime_allowed);
println!("\nIME: {}\n", ime_allowed);
}
}
_ => (),
}
});
}

53
examples/set_ime_position.rs
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@ -1,53 +0,0 @@
use simple_logger::SimpleLogger;
use winit::{
dpi::PhysicalPosition,
event::{ElementState, Event, WindowEvent},
event_loop::EventLoop,
window::WindowBuilder,
};
fn main() {
SimpleLogger::new().init().unwrap();
let event_loop = EventLoop::new();
let window = WindowBuilder::new().build(&event_loop).unwrap();
window.set_title("A fantastic window!");
println!("Ime position will system default");
println!("Click to set ime position to cursor's");
let mut cursor_position = PhysicalPosition::new(0.0, 0.0);
event_loop.run(move |event, _, control_flow| {
control_flow.set_wait();
match event {
Event::WindowEvent {
event: WindowEvent::CursorMoved { position, .. },
..
} => {
cursor_position = position;
}
Event::WindowEvent {
event:
WindowEvent::MouseInput {
state: ElementState::Released,
..
},
..
} => {
println!(
"Setting ime position to {}, {}",
cursor_position.x, cursor_position.y
);
window.set_ime_position(cursor_position);
}
Event::WindowEvent {
event: WindowEvent::CloseRequested,
..
} => {
control_flow.set_exit();
}
_ => (),
}
});
}