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Implement focus_next operation

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... as well as a `count_focusable` composable helper!
This commit is contained in:
Héctor Ramón Jiménez 2022-08-02 04:20:47 +02:00
parent 6dac049db5
commit 77c6864e7c
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GPG key ID: 140CC052C94F138E
4 changed files with 154 additions and 13 deletions
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57
examples/todos/src/main.rs
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@ -1,12 +1,15 @@
use iced::alignment::{self, Alignment};
use iced::event::{self, Event};
use iced::keyboard;
use iced::subscription;
use iced::theme::{self, Theme};
use iced::widget::{
button, checkbox, column, container, row, scrollable, text, text_input,
Text,
self, button, checkbox, column, container, row, scrollable, text,
text_input, Text,
};
use iced::window;
use iced::{Application, Element};
use iced::{Color, Command, Font, Length, Settings};
use iced::{Color, Command, Font, Length, Settings, Subscription};
use lazy_static::lazy_static;
use serde::{Deserialize, Serialize};
@ -48,6 +51,7 @@ enum Message {
CreateTask,
FilterChanged(Filter),
TaskMessage(usize, TaskMessage),
TabPressed,
}
impl Application for Todos {
@ -94,11 +98,12 @@ impl Application for Todos {
}
Todos::Loaded(state) => {
let mut saved = false;
let mut task_command = Command::none();
match message {
let command = match message {
Message::InputChanged(value) => {
state.input_value = value;
Command::none()
}
Message::CreateTask => {
if !state.input_value.is_empty() {
@ -107,29 +112,44 @@ impl Application for Todos {
.push(Task::new(state.input_value.clone()));
state.input_value.clear();
}
Command::none()
}
Message::FilterChanged(filter) => {
state.filter = filter;
Command::none()
}
Message::TaskMessage(i, TaskMessage::Delete) => {
state.tasks.remove(i);
Command::none()
}
Message::TaskMessage(i, task_message) => {
if let Some(task) = state.tasks.get_mut(i) {
if matches!(task_message, TaskMessage::Edit) {
task_command =
text_input::focus(Task::text_input_id(i));
}
let should_focus =
matches!(task_message, TaskMessage::Edit);
task.update(task_message);
if should_focus {
text_input::focus(Task::text_input_id(i))
} else {
Command::none()
}
} else {
Command::none()
}
}
Message::Saved(_) => {
state.saving = false;
saved = true;
Command::none()
}
_ => {}
}
Message::TabPressed => widget::focus_next(),
_ => Command::none(),
};
if !saved {
state.dirty = true;
@ -152,7 +172,7 @@ impl Application for Todos {
Command::none()
};
Command::batch(vec![task_command, save])
Command::batch(vec![command, save])
}
}
}
@ -225,6 +245,19 @@ impl Application for Todos {
}
}
}
fn subscription(&self) -> Subscription<Message> {
subscription::events_with(|event, status| match (event, status) {
(
Event::Keyboard(keyboard::Event::KeyPressed {
key_code: keyboard::KeyCode::Tab,
..
}),
event::Status::Ignored,
) => Some(Message::TabPressed),
_ => None,
})
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]