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Timer Element

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Closes #5724
This commit is contained in:
Olivier Goffart 2024-08-15 13:02:05 +02:00
parent 2643a327e8
commit a9f526491a
25 changed files with 599 additions and 14 deletions
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35
internal/compiler/generator/cpp.rs
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@ -1918,6 +1918,38 @@ fn generate_sub_component(
format!("self->change_tracker{idx}.init(self, [](auto self) {{ return {prop}; }}, []([[maybe_unused]] auto self, auto) {{ {code}; }});")
}));
if !component.timers.is_empty() {
let mut update_timers = vec!["auto self = this;".into()];
for (i, tmr) in component.timers.iter().enumerate() {
user_init.push(format!("self->update_timers();"));
let name = format!("timer{}", i);
let running = compile_expression(&tmr.running.borrow(), &ctx);
let interval = compile_expression(&tmr.interval.borrow(), &ctx);
let callback = compile_expression(&tmr.triggered.borrow(), &ctx);
update_timers.push(format!("if ({running}) {{"));
update_timers
.push(format!(" auto interval = std::chrono::milliseconds({interval});"));
update_timers.push(format!(
" if (!self->{name}.running() || *self->{name}.interval() != interval)"
));
update_timers.push(format!(" self->{name}.start(slint::TimerMode::Repeated, interval, [self] {{ {callback}; }});"));
update_timers.push(format!("}} else {{ self->{name}.stop(); }}").into());
target_struct.members.push((
field_access,
Declaration::Var(Var { ty: "slint::Timer".into(), name, ..Default::default() }),
));
}
target_struct.members.push((
field_access,
Declaration::Function(Function {
name: "update_timers".to_owned(),
signature: "() -> void".into(),
statements: Some(update_timers),
..Default::default()
}),
));
}
target_struct
.members
.extend(generate_functions(&component.functions, &ctx).map(|x| (Access::Public, x)));
@ -3445,6 +3477,9 @@ fn compile_builtin_function_call(
BuiltinFunction::Translate => {
format!("slint::private_api::translate({})", a.join(","))
}
BuiltinFunction::UpdateTimers => {
"self->update_timers()".into()
}
}
}