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use crate::{device::*, geometry::*, ime::*, window::Window};
use std::path::Path;
/// Trait that must implements for handling events.
pub trait EventHandler {
/// This is called when there are no events.
///
/// only passed `RunType::Idle` to `Context::run`.
fn idle(&mut self) {}
/// This is called when the window needs redrawing.
fn draw(&mut self, _: &Window) {}
/// This is called when the window has been activated.
fn activated(&mut self, _: &Window) {}
/// This is called when the window has been inactivated.
fn inactivated(&mut self, _: &Window) {}
/// This is called when the window has been closed.
fn closed(&mut self, _: &Window) {}
/// This is called when the window has been moved.
fn moved(&mut self, _: &Window, _: ScreenPosition) {}
/// This is called when the window is resizing.
fn resizing(&mut self, _: &Window, _: PhysicalSize<u32>) {}
/// This is called when the window has been resized.
fn resized(&mut self, _: &Window, _: PhysicalSize<u32>) {}
/// This is called when the window's DPI has been changed.
fn dpi_changed(&mut self, _: &Window) {}
/// This is called when the mouse button has been pressed and released on the window.
fn mouse_input(&mut self, _: &Window, _: MouseButton, _: KeyState, _: MouseState) {}
/// This is called when the cursor has been moved on the window.
fn cursor_moved(&mut self, _: &Window, _: MouseState) {}
/// This is called when the cursor has been entered the window.
fn cursor_entered(&mut self, _: &Window, _: MouseState) {}
/// This is called when the cursor has been leaved the window.
fn cursor_leaved(&mut self, _: &Window, _: MouseState) {}
/// This is called when the keyboard key has been pressed and released.
fn key_input(&mut self, _: &Window, _: KeyCode, _: KeyState, _: bool) {}
/// This is called when the keyboard key has been inputed the character.
fn char_input(&mut self, _: &Window, _: char) {}
/// This is called when the IME starts composition.
fn ime_start_composition(&mut self, _: &Window) {}
/// This is called when the IME composition status has been changed.
fn ime_composition(&mut self, _: &Window, _: &Composition, _: Option<&CandidateList>) {}
/// This is called when the IME ends composition.
fn ime_end_composition(&mut self, _: &Window, _: Option<&str>) {}
/// This is called when files have been dropped on the window.
fn drop_files(&mut self, _: &Window, _: &[&Path], _: PhysicalPosition<f32>) {}
}