diff options
Diffstat (limited to 'winit/src/conversion.rs')
| -rw-r--r-- | winit/src/conversion.rs | 134 |
1 files changed, 128 insertions, 6 deletions
diff --git a/winit/src/conversion.rs b/winit/src/conversion.rs index 03d583fb..b6a0b64b 100644 --- a/winit/src/conversion.rs +++ b/winit/src/conversion.rs @@ -3,11 +3,107 @@ //! [`winit`]: https://github.com/rust-windowing/winit //! [`iced_native`]: https://github.com/hecrj/iced/tree/master/native use crate::{ - input::{keyboard::KeyCode, mouse, ButtonState}, - MouseCursor, + input::{ + keyboard::{self, KeyCode, ModifiersState}, + mouse, ButtonState, + }, + window, Event, Mode, MouseCursor, }; -/// Convert a `MouseCursor` from [`iced_native`] to a [`winit`] cursor icon. +/// Converts a winit window event into an iced event. +pub fn window_event( + event: winit::event::WindowEvent<'_>, + scale_factor: f64, + modifiers: winit::event::ModifiersState, +) -> Option<Event> { + use winit::event::WindowEvent; + + match event { + WindowEvent::Resized(new_size) => { + let logical_size = new_size.to_logical(scale_factor); + + Some(Event::Window(window::Event::Resized { + width: logical_size.width, + height: logical_size.height, + })) + } + WindowEvent::CursorMoved { position, .. } => { + let position = position.to_logical::<f64>(scale_factor); + + Some(Event::Mouse(mouse::Event::CursorMoved { + x: position.x as f32, + y: position.y as f32, + })) + } + WindowEvent::MouseInput { button, state, .. } => { + Some(Event::Mouse(mouse::Event::Input { + button: mouse_button(button), + state: button_state(state), + })) + } + WindowEvent::MouseWheel { delta, .. } => match delta { + winit::event::MouseScrollDelta::LineDelta(delta_x, delta_y) => { + Some(Event::Mouse(mouse::Event::WheelScrolled { + delta: mouse::ScrollDelta::Lines { + x: delta_x, + y: delta_y, + }, + })) + } + winit::event::MouseScrollDelta::PixelDelta(position) => { + Some(Event::Mouse(mouse::Event::WheelScrolled { + delta: mouse::ScrollDelta::Pixels { + x: position.x as f32, + y: position.y as f32, + }, + })) + } + }, + WindowEvent::ReceivedCharacter(c) if !is_private_use_character(c) => { + Some(Event::Keyboard(keyboard::Event::CharacterReceived(c))) + } + WindowEvent::KeyboardInput { + input: + winit::event::KeyboardInput { + virtual_keycode: Some(virtual_keycode), + state, + .. + }, + .. + } => Some(Event::Keyboard(keyboard::Event::Input { + key_code: key_code(virtual_keycode), + state: button_state(state), + modifiers: modifiers_state(modifiers), + })), + WindowEvent::HoveredFile(path) => { + Some(Event::Window(window::Event::FileHovered(path))) + } + WindowEvent::DroppedFile(path) => { + Some(Event::Window(window::Event::FileDropped(path))) + } + WindowEvent::HoveredFileCancelled => { + Some(Event::Window(window::Event::FilesHoveredLeft)) + } + _ => None, + } +} + +/// Converts a [`Mode`] to a [`winit`] fullscreen mode. +/// +/// [`Mode`]: +pub fn fullscreen( + monitor: winit::monitor::MonitorHandle, + mode: Mode, +) -> Option<winit::window::Fullscreen> { + match mode { + Mode::Windowed => None, + Mode::Fullscreen => { + Some(winit::window::Fullscreen::Borderless(monitor)) + } + } +} + +/// Converts a `MouseCursor` from [`iced_native`] to a [`winit`] cursor icon. /// /// [`winit`]: https://github.com/rust-windowing/winit /// [`iced_native`]: https://github.com/hecrj/iced/tree/master/native @@ -23,7 +119,7 @@ pub fn mouse_cursor(mouse_cursor: MouseCursor) -> winit::window::CursorIcon { } } -/// Convert a `MouseButton` from [`winit`] to an [`iced_native`] mouse button. +/// Converts a `MouseButton` from [`winit`] to an [`iced_native`] mouse button. /// /// [`winit`]: https://github.com/rust-windowing/winit /// [`iced_native`]: https://github.com/hecrj/iced/tree/master/native @@ -36,7 +132,7 @@ pub fn mouse_button(mouse_button: winit::event::MouseButton) -> mouse::Button { } } -/// Convert an `ElementState` from [`winit`] to an [`iced_native`] button state. +/// Converts an `ElementState` from [`winit`] to an [`iced_native`] button state. /// /// [`winit`]: https://github.com/rust-windowing/winit /// [`iced_native`]: https://github.com/hecrj/iced/tree/master/native @@ -47,7 +143,23 @@ pub fn button_state(element_state: winit::event::ElementState) -> ButtonState { } } -/// Convert a `VirtualKeyCode` from [`winit`] to an [`iced_native`] key code. +/// Converts some `ModifiersState` from [`winit`] to an [`iced_native`] +/// modifiers state. +/// +/// [`winit`]: https://github.com/rust-windowing/winit +/// [`iced_native`]: https://github.com/hecrj/iced/tree/master/native +pub fn modifiers_state( + modifiers: winit::event::ModifiersState, +) -> ModifiersState { + ModifiersState { + shift: modifiers.shift(), + control: modifiers.ctrl(), + alt: modifiers.alt(), + logo: modifiers.logo(), + } +} + +/// Converts a `VirtualKeyCode` from [`winit`] to an [`iced_native`] key code. /// /// [`winit`]: https://github.com/rust-windowing/winit /// [`iced_native`]: https://github.com/hecrj/iced/tree/master/native @@ -220,3 +332,13 @@ pub fn key_code(virtual_keycode: winit::event::VirtualKeyCode) -> KeyCode { winit::event::VirtualKeyCode::Cut => KeyCode::Cut, } } + +// As defined in: http://www.unicode.org/faq/private_use.html +pub(crate) fn is_private_use_character(c: char) -> bool { + match c { + '\u{E000}'..='\u{F8FF}' + | '\u{F0000}'..='\u{FFFFD}' + | '\u{100000}'..='\u{10FFFD}' => true, + _ => false, + } +} |