diff options
Diffstat (limited to 'examples/multi_window/src/main.rs')
| -rw-r--r-- | examples/multi_window/src/main.rs | 162 |
1 files changed, 102 insertions, 60 deletions
diff --git a/examples/multi_window/src/main.rs b/examples/multi_window/src/main.rs index 5699ece0..58604702 100644 --- a/examples/multi_window/src/main.rs +++ b/examples/multi_window/src/main.rs @@ -1,25 +1,32 @@ use iced::multi_window::{self, Application}; use iced::widget::{button, column, container, scrollable, text, text_input}; +use iced::window::{Id, Position}; use iced::{ - executor, window, Alignment, Command, Element, Length, Settings, Theme, + executor, subscription, window, Alignment, Command, Element, Length, + Settings, Subscription, Theme, }; use std::collections::HashMap; fn main() -> iced::Result { - Example::run(Settings::default()) + Example::run(Settings { + exit_on_close_request: false, + ..Default::default() + }) } #[derive(Default)] struct Example { - windows_count: usize, windows: HashMap<window::Id, Window>, + next_window_pos: window::Position, } +#[derive(Debug)] struct Window { - id: window::Id, title: String, scale_input: String, current_scale: f64, + theme: Theme, + input_id: iced::widget::text_input::Id, } #[derive(Debug, Clone)] @@ -28,6 +35,8 @@ enum Message { ScaleChanged(window::Id, String), TitleChanged(window::Id, String), CloseWindow(window::Id), + WindowDestroyed(window::Id), + WindowCreated(window::Id, (i32, i32)), NewWindow, } @@ -40,11 +49,8 @@ impl multi_window::Application for Example { fn new(_flags: ()) -> (Self, Command<Message>) { ( Example { - windows_count: 0, - windows: HashMap::from([( - window::Id::MAIN, - Window::new(window::Id::MAIN), - )]), + windows: HashMap::from([(window::Id::MAIN, Window::new(1))]), + next_window_pos: Position::Default, }, Command::none(), ) @@ -82,12 +88,32 @@ impl multi_window::Application for Example { Message::CloseWindow(id) => { return window::close(id); } + Message::WindowDestroyed(id) => { + self.windows.remove(&id); + } + Message::WindowCreated(id, position) => { + self.next_window_pos = window::Position::Specific( + position.0 + 20, + position.1 + 20, + ); + + if let Some(window) = self.windows.get(&id) { + return text_input::focus(window.input_id.clone()); + } + } Message::NewWindow => { - self.windows_count += 1; - let id = window::Id::new(self.windows_count); - self.windows.insert(id, Window::new(id)); - - return window::spawn(id, window::Settings::default()); + let count = self.windows.len() + 1; + let id = window::Id::new(count); + + self.windows.insert(id, Window::new(count)); + + return window::spawn( + id, + window::Settings { + position: self.next_window_pos, + ..Default::default() + }, + ); } } @@ -95,13 +121,9 @@ impl multi_window::Application for Example { } fn view(&self, window: window::Id) -> Element<Message> { - let window = self - .windows - .get(&window) - .map(|window| window.view()) - .unwrap(); + let content = self.windows.get(&window).unwrap().view(window); - container(window) + container(content) .width(Length::Fill) .height(Length::Fill) .center_x() @@ -109,6 +131,10 @@ impl multi_window::Application for Example { .into() } + fn theme(&self, window: Id) -> Self::Theme { + self.windows.get(&window).unwrap().theme.clone() + } + fn scale_factor(&self, window: window::Id) -> f64 { self.windows .get(&window) @@ -116,55 +142,71 @@ impl multi_window::Application for Example { .unwrap_or(1.0) } - fn close_requested(&self, window: window::Id) -> Self::Message { - Message::CloseWindow(window) + fn subscription(&self) -> Subscription<Self::Message> { + subscription::events_with(|event, _| { + if let iced::Event::Window(id, window_event) = event { + match window_event { + window::Event::CloseRequested => { + Some(Message::CloseWindow(id)) + } + window::Event::Destroyed => { + Some(Message::WindowDestroyed(id)) + } + window::Event::Created { position, .. } => { + Some(Message::WindowCreated(id, position)) + } + _ => None, + } + } else { + None + } + }) } } impl Window { - fn new(id: window::Id) -> Self { + fn new(count: usize) -> Self { Self { - id, - title: "Window".to_string(), + title: format!("Window_{}", count), scale_input: "1.0".to_string(), current_scale: 1.0, + theme: if count % 2 == 0 { + Theme::Light + } else { + Theme::Dark + }, + input_id: text_input::Id::unique(), } } - fn view(&self) -> Element<Message> { - window_view(self.id, &self.scale_input, &self.title) + fn view(&self, id: window::Id) -> Element<Message> { + let scale_input = column![ + text("Window scale factor:"), + text_input("Window Scale", &self.scale_input) + .on_input(move |msg| { Message::ScaleInputChanged(id, msg) }) + .on_submit(Message::ScaleChanged( + id, + self.scale_input.to_string() + )) + ]; + + let title_input = column![ + text("Window title:"), + text_input("Window Title", &self.title) + .on_input(move |msg| { Message::TitleChanged(id, msg) }) + .id(self.input_id.clone()) + ]; + + let new_window_button = + button(text("New Window")).on_press(Message::NewWindow); + + let content = scrollable( + column![scale_input, title_input, new_window_button] + .spacing(50) + .width(Length::Fill) + .align_items(Alignment::Center), + ); + + container(content).width(200).center_x().into() } } - -fn window_view<'a>( - id: window::Id, - scale_input: &'a str, - title: &'a str, -) -> Element<'a, Message> { - let scale_input = column![ - text("Window scale factor:"), - text_input("Window Scale", scale_input, move |msg| { - Message::ScaleInputChanged(id, msg) - }) - .on_submit(Message::ScaleChanged(id, scale_input.to_string())) - ]; - - let title_input = column![ - text("Window title:"), - text_input("Window Title", title, move |msg| { - Message::TitleChanged(id, msg) - }) - ]; - - let new_window_button = - button(text("New Window")).on_press(Message::NewWindow); - - let content = scrollable( - column![scale_input, title_input, new_window_button] - .spacing(50) - .width(Length::Fill) - .align_items(Alignment::Center), - ); - - container(content).width(200).center_x().into() -} |