149 lines
2.5 KiB
Rust
149 lines
2.5 KiB
Rust
use crate::tools::ToolType;
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use crate::Color;
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use bitflags::bitflags;
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use std::{
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fmt,
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ops::{Deref, DerefMut},
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};
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#[derive(Debug, Clone)]
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#[repr(C)]
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pub enum Event {
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SelectTool(ToolType),
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SelectPrimaryColor(Color),
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SelectSecondaryColor(Color),
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SwapColors,
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ResetColors,
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MouseDown(MouseState),
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MouseUp(MouseState),
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MouseMove(ViewportPosition),
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KeyUp(Key),
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KeyDown(Key),
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}
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#[derive(Debug, Clone)]
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#[repr(C)]
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// TODO - Make Copy when possible
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pub enum Response {
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UpdateCanvas { document: String },
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SetActiveTool { tool_name: String },
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}
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impl fmt::Display for Response {
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fn fmt(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
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use Response::*;
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let name = match_variant_name!(match (self) {
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UpdateCanvas,
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SetActiveTool
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});
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formatter.write_str(name)
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}
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}
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#[derive(Debug, Clone, Default)]
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pub struct Trace(Vec<TracePoint>);
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impl Deref for Trace {
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type Target = Vec<TracePoint>;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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impl DerefMut for Trace {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.0
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}
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}
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impl Trace {
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pub fn new() -> Self {
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Self::default()
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}
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}
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// origin is top left
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#[derive(Debug, Copy, Clone, Default, Eq, PartialEq)]
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pub struct ViewportPosition {
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pub x: u32,
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pub y: u32,
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}
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impl ViewportPosition {
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pub fn distance(&self, other: &Self) -> f64 {
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let x_diff = other.x as f64 - self.x as f64;
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let y_diff = other.y as f64 - self.y as f64;
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f64::sqrt(x_diff * x_diff + y_diff * y_diff)
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}
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}
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#[derive(Debug, Copy, Clone, Default, Eq, PartialEq)]
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pub struct TracePoint {
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pub mouse_state: MouseState,
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pub mod_keys: ModKeys,
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}
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#[derive(Debug, Copy, Clone, Default, Eq, PartialEq)]
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pub struct MouseState {
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pub position: ViewportPosition,
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pub mouse_keys: MouseKeys,
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}
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impl MouseState {
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pub fn new() -> MouseState {
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Self::default()
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}
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pub fn from_pos(x: u32, y: u32) -> MouseState {
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MouseState {
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position: ViewportPosition { x, y },
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mouse_keys: MouseKeys::default(),
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}
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}
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}
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#[derive(Debug, Copy, Clone, Eq, PartialEq)]
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pub enum Key {
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UnknownKey,
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KeyR,
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KeyM,
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KeyE,
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KeyL,
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KeyV,
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KeyX,
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KeyZ,
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Key0,
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Key1,
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Key2,
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Key3,
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Key4,
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Key5,
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Key6,
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Key7,
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Key8,
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Key9,
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}
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bitflags! {
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#[derive(Default)]
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#[repr(transparent)]
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pub struct ModKeys: u8 {
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const CONTROL = 0b0000_0001;
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const SHIFT = 0b0000_0010;
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const ALT = 0b0000_0100;
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}
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}
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bitflags! {
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#[derive(Default)]
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#[repr(transparent)]
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pub struct MouseKeys: u8 {
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const LEFT = 0b0000_0001;
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const RIGHT = 0b0000_0010;
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const MIDDLE = 0b0000_0100;
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}
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}
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