Graphite/editor/src/input/input_mapper.rs

389 lines
20 KiB
Rust

use glam::DVec2;
use super::{
keyboard::{Key, KeyStates, NUMBER_OF_KEYS},
InputPreprocessor,
};
use crate::document::Clipboard::*;
use crate::message_prelude::*;
use crate::tool::ToolType;
use serde::{Deserialize, Serialize};
use std::fmt::Write;
const NUDGE_AMOUNT: f64 = 1.;
const SHIFT_NUDGE_AMOUNT: f64 = 10.;
#[remain::sorted]
#[impl_message(Message, InputMapper)]
#[derive(PartialEq, Clone, Debug, Hash, Serialize, Deserialize)]
pub enum InputMapperMessage {
#[child]
KeyDown(Key),
#[child]
KeyUp(Key),
MouseScroll,
PointerMove,
}
#[derive(PartialEq, Clone, Debug)]
struct MappingEntry {
trigger: InputMapperMessage,
modifiers: KeyStates,
action: Message,
}
#[derive(Debug, Clone)]
struct KeyMappingEntries(Vec<MappingEntry>);
impl KeyMappingEntries {
fn match_mapping(&self, keys: &KeyStates, actions: ActionList) -> Option<Message> {
for entry in self.0.iter() {
let all_required_modifiers_pressed = ((*keys & entry.modifiers) ^ entry.modifiers).is_empty();
if all_required_modifiers_pressed && actions.iter().flatten().any(|action| entry.action.to_discriminant() == *action) {
return Some(entry.action.clone());
}
}
None
}
fn push(&mut self, entry: MappingEntry) {
self.0.push(entry)
}
const fn new() -> Self {
Self(Vec::new())
}
fn key_array() -> [Self; NUMBER_OF_KEYS] {
const DEFAULT: KeyMappingEntries = KeyMappingEntries::new();
[DEFAULT; NUMBER_OF_KEYS]
}
}
impl Default for KeyMappingEntries {
fn default() -> Self {
Self::new()
}
}
#[derive(Debug, Clone)]
struct Mapping {
key_up: [KeyMappingEntries; NUMBER_OF_KEYS],
key_down: [KeyMappingEntries; NUMBER_OF_KEYS],
pointer_move: KeyMappingEntries,
mouse_scroll: KeyMappingEntries,
}
macro_rules! modifiers {
($($m:ident),*) => {{
#[allow(unused_mut)]
let mut state = KeyStates::new();
$(
state.set(Key::$m as usize);
)*
state
}};
}
macro_rules! entry {
{action=$action:expr, key_down=$key:ident $(, modifiers=[$($m:ident),* $(,)?])?} => {{
entry!{action=$action, message=InputMapperMessage::KeyDown(Key::$key) $(, modifiers=[$($m),*])?}
}};
{action=$action:expr, key_up=$key:ident $(, modifiers=[$($m:ident),* $(,)?])?} => {{
entry!{action=$action, message=InputMapperMessage::KeyUp(Key::$key) $(, modifiers=[$($m),* ])?}
}};
{action=$action:expr, message=$message:expr $(, modifiers=[$($m:ident),* $(,)?])?} => {{
&[MappingEntry {trigger: $message, modifiers: modifiers!($($($m),*)?), action: $action.into()}]
}};
{action=$action:expr, triggers=[$($m:ident),* $(,)?]} => {{
&[
MappingEntry {trigger:InputMapperMessage::PointerMove, action: $action.into(), modifiers: modifiers!()},
$(
MappingEntry {trigger:InputMapperMessage::KeyDown(Key::$m), action: $action.into(), modifiers: modifiers!()},
MappingEntry {trigger:InputMapperMessage::KeyUp(Key::$m), action: $action.into(), modifiers: modifiers!()},
)*
]
}};
}
macro_rules! mapping {
//[$(<action=$action:expr; message=$key:expr; $(modifiers=[$($m:ident),* $(,)?];)?>)*] => {{
[$($entry:expr),* $(,)?] => {{
let mut key_up = KeyMappingEntries::key_array();
let mut key_down = KeyMappingEntries::key_array();
let mut pointer_move: KeyMappingEntries = Default::default();
let mut mouse_scroll: KeyMappingEntries = Default::default();
$(
for entry in $entry {
let arr = match entry.trigger {
InputMapperMessage::KeyDown(key) => &mut key_down[key as usize],
InputMapperMessage::KeyUp(key) => &mut key_up[key as usize],
InputMapperMessage::MouseScroll => &mut mouse_scroll,
InputMapperMessage::PointerMove => &mut pointer_move,
};
arr.push(entry.clone());
}
)*
(key_up, key_down, pointer_move, mouse_scroll)
}};
}
impl Default for Mapping {
fn default() -> Self {
use Key::*;
// WARNING!
// If a new mapping isn't being handled (and perhaps another lower-precedence one is instead), make sure to advertise
// it as an available action in the respective message handler file (such as the bottom of `document_message_handler.rs`)
let mappings = mapping![
// Higher priority than entries in sections below
entry! {action=PortfolioMessage::Paste(User), key_down=KeyV, modifiers=[KeyControl]},
// Transform layers
entry! {action=TransformLayerMessage::ApplyOperation, key_down=KeyEnter},
entry! {action=TransformLayerMessage::ApplyOperation, key_down=Lmb},
entry! {action=TransformLayerMessage::CancelOperation, key_down=KeyEscape},
entry! {action=TransformLayerMessage::CancelOperation, key_down=Rmb},
entry! {action=TransformLayerMessage::ConstrainX, key_down=KeyX},
entry! {action=TransformLayerMessage::ConstrainY, key_down=KeyY},
entry! {action=TransformLayerMessage::TypeBackspace, key_down=KeyBackspace},
entry! {action=TransformLayerMessage::TypeNegate, key_down=KeyMinus},
entry! {action=TransformLayerMessage::TypeDecimalPoint, key_down=KeyComma},
entry! {action=TransformLayerMessage::TypeDecimalPoint, key_down=KeyPeriod},
entry! {action=TransformLayerMessage::MouseMove { slow_key: KeyShift, snap_key: KeyControl }, triggers=[KeyShift, KeyControl]},
// Select
entry! {action=SelectMessage::MouseMove { snap_angle: KeyShift }, message=InputMapperMessage::PointerMove},
entry! {action=SelectMessage::DragStart { add_to_selection: KeyShift }, key_down=Lmb},
entry! {action=SelectMessage::DragStop, key_up=Lmb},
entry! {action=SelectMessage::Abort, key_down=Rmb},
entry! {action=SelectMessage::Abort, key_down=KeyEscape},
// Navigate
entry! {action=NavigateMessage::ClickZoom { zoom_in: false }, key_up=Lmb, modifiers=[KeyShift]},
entry! {action=NavigateMessage::ClickZoom { zoom_in: true }, key_up=Lmb},
entry! {action=NavigateMessage::MouseMove { snap_angle: KeyControl, snap_zoom: KeyControl }, message=InputMapperMessage::PointerMove},
entry! {action=NavigateMessage::TranslateCanvasBegin, key_down=Mmb},
entry! {action=NavigateMessage::RotateCanvasBegin, key_down=Rmb},
entry! {action=NavigateMessage::ZoomCanvasBegin, key_down=Lmb},
entry! {action=NavigateMessage::TransformCanvasEnd, key_up=Rmb},
entry! {action=NavigateMessage::TransformCanvasEnd, key_up=Lmb},
entry! {action=NavigateMessage::TransformCanvasEnd, key_up=Mmb},
// Eyedropper
entry! {action=EyedropperMessage::LeftMouseDown, key_down=Lmb},
entry! {action=EyedropperMessage::RightMouseDown, key_down=Rmb},
// Rectangle
entry! {action=RectangleMessage::DragStart, key_down=Lmb},
entry! {action=RectangleMessage::DragStop, key_up=Lmb},
entry! {action=RectangleMessage::Abort, key_down=Rmb},
entry! {action=RectangleMessage::Abort, key_down=KeyEscape},
entry! {action=RectangleMessage::Resize { center: KeyAlt, lock_ratio: KeyShift }, triggers=[KeyAlt, KeyShift]},
// Ellipse
entry! {action=EllipseMessage::DragStart, key_down=Lmb},
entry! {action=EllipseMessage::DragStop, key_up=Lmb},
entry! {action=EllipseMessage::Abort, key_down=Rmb},
entry! {action=EllipseMessage::Abort, key_down=KeyEscape},
entry! {action=EllipseMessage::Resize { center: KeyAlt, lock_ratio: KeyShift }, triggers=[KeyAlt, KeyShift]},
// Shape
entry! {action=ShapeMessage::DragStart, key_down=Lmb},
entry! {action=ShapeMessage::DragStop, key_up=Lmb},
entry! {action=ShapeMessage::Abort, key_down=Rmb},
entry! {action=ShapeMessage::Abort, key_down=KeyEscape},
entry! {action=ShapeMessage::Resize { center: KeyAlt, lock_ratio: KeyShift }, triggers=[KeyAlt, KeyShift]},
// Line
entry! {action=LineMessage::DragStart, key_down=Lmb},
entry! {action=LineMessage::DragStop, key_up=Lmb},
entry! {action=LineMessage::Abort, key_down=Rmb},
entry! {action=LineMessage::Abort, key_down=KeyEscape},
entry! {action=LineMessage::Redraw { center: KeyAlt, lock_angle: KeyControl, snap_angle: KeyShift }, triggers=[KeyAlt, KeyShift, KeyControl]},
// Path
entry! {action=PathMessage::DragStart, key_down=Lmb},
entry! {action=PathMessage::PointerMove, message=InputMapperMessage::PointerMove},
entry! {action=PathMessage::DragStop, key_up=Lmb},
// Pen
entry! {action=PenMessage::PointerMove, message=InputMapperMessage::PointerMove},
entry! {action=PenMessage::DragStart, key_down=Lmb},
entry! {action=PenMessage::DragStop, key_up=Lmb},
entry! {action=PenMessage::Confirm, key_down=Rmb},
entry! {action=PenMessage::Confirm, key_down=KeyEscape},
entry! {action=PenMessage::Confirm, key_down=KeyEnter},
// Fill
entry! {action=FillMessage::LeftMouseDown, key_down=Lmb},
entry! {action=FillMessage::RightMouseDown, key_down=Rmb},
// Tool Actions
entry! {action=ToolMessage::ActivateTool(ToolType::Select), key_down=KeyV},
entry! {action=ToolMessage::ActivateTool(ToolType::Navigate), key_down=KeyZ},
entry! {action=ToolMessage::ActivateTool(ToolType::Eyedropper), key_down=KeyI},
entry! {action=ToolMessage::ActivateTool(ToolType::Fill), key_down=KeyF},
entry! {action=ToolMessage::ActivateTool(ToolType::Path), key_down=KeyA},
entry! {action=ToolMessage::ActivateTool(ToolType::Pen), key_down=KeyP},
entry! {action=ToolMessage::ActivateTool(ToolType::Line), key_down=KeyL},
entry! {action=ToolMessage::ActivateTool(ToolType::Rectangle), key_down=KeyM},
entry! {action=ToolMessage::ActivateTool(ToolType::Ellipse), key_down=KeyE},
entry! {action=ToolMessage::ActivateTool(ToolType::Shape), key_down=KeyY},
// Colors
entry! {action=ToolMessage::ResetColors, key_down=KeyX, modifiers=[KeyShift, KeyControl]},
entry! {action=ToolMessage::SwapColors, key_down=KeyX, modifiers=[KeyShift]},
// Editor Actions
entry! {action=FrontendMessage::TriggerFileUpload, key_down=KeyO, modifiers=[KeyControl]},
// Document Actions
entry! {action=PortfolioMessage::Paste(User), key_down=KeyV, modifiers=[KeyControl]},
entry! {action=DocumentMessage::Redo, key_down=KeyZ, modifiers=[KeyControl, KeyShift]},
entry! {action=DocumentMessage::Undo, key_down=KeyZ, modifiers=[KeyControl]},
entry! {action=DocumentMessage::DeselectAllLayers, key_down=KeyA, modifiers=[KeyControl, KeyAlt]},
entry! {action=DocumentMessage::SelectAllLayers, key_down=KeyA, modifiers=[KeyControl]},
entry! {action=DocumentMessage::CreateEmptyFolder(vec![]), key_down=KeyN, modifiers=[KeyControl, KeyShift]},
entry! {action=DocumentMessage::DeleteSelectedLayers, key_down=KeyDelete},
entry! {action=DocumentMessage::DeleteSelectedLayers, key_down=KeyX},
entry! {action=DocumentMessage::DeleteSelectedLayers, key_down=KeyBackspace},
entry! {action=DocumentMessage::ExportDocument, key_down=KeyE, modifiers=[KeyControl]},
entry! {action=DocumentMessage::SaveDocument, key_down=KeyS, modifiers=[KeyControl]},
entry! {action=DocumentMessage::SaveDocument, key_down=KeyS, modifiers=[KeyControl, KeyShift]},
entry! {action=DocumentMessage::DebugPrintDocument, key_down=Key9},
entry! {action=DocumentMessage::ZoomCanvasToFitAll, key_down=Key0, modifiers=[KeyControl]},
// Initiate Transform Layers
entry! {action=TransformLayerMessage::BeginGrab, key_down=KeyG},
entry! {action=TransformLayerMessage::BeginRotate, key_down=KeyR},
entry! {action=TransformLayerMessage::BeginScale, key_down=KeyS},
// Document movement
entry! {action=MovementMessage::MouseMove { snap_angle: KeyControl, wait_for_snap_angle_release: true, snap_zoom: KeyControl, zoom_from_viewport: None }, message=InputMapperMessage::PointerMove},
entry! {action=MovementMessage::RotateCanvasBegin, key_down=Mmb, modifiers=[KeyControl]},
entry! {action=MovementMessage::ZoomCanvasBegin, key_down=Mmb, modifiers=[KeyShift]},
entry! {action=MovementMessage::TranslateCanvasBegin, key_down=Mmb},
entry! {action=MovementMessage::TransformCanvasEnd, key_up=Mmb},
entry! {action=MovementMessage::TranslateCanvasBegin, key_down=Lmb, modifiers=[KeySpace]},
entry! {action=MovementMessage::TransformCanvasEnd, key_up=Lmb, modifiers=[KeySpace]},
entry! {action=MovementMessage::IncreaseCanvasZoom { center_on_mouse: false }, key_down=KeyPlus, modifiers=[KeyControl]},
entry! {action=MovementMessage::IncreaseCanvasZoom { center_on_mouse: false }, key_down=KeyEquals, modifiers=[KeyControl]},
entry! {action=MovementMessage::DecreaseCanvasZoom { center_on_mouse: false }, key_down=KeyMinus, modifiers=[KeyControl]},
entry! {action=MovementMessage::SetCanvasZoom(1.), key_down=Key1, modifiers=[KeyControl]},
entry! {action=MovementMessage::SetCanvasZoom(2.), key_down=Key2, modifiers=[KeyControl]},
entry! {action=MovementMessage::WheelCanvasZoom, message=InputMapperMessage::MouseScroll, modifiers=[KeyControl]},
entry! {action=MovementMessage::WheelCanvasTranslate { use_y_as_x: true }, message=InputMapperMessage::MouseScroll, modifiers=[KeyShift]},
entry! {action=MovementMessage::WheelCanvasTranslate { use_y_as_x: false }, message=InputMapperMessage::MouseScroll},
entry! {action=MovementMessage::TranslateCanvasByViewportFraction(DVec2::new(1., 0.)), key_down=KeyPageUp, modifiers=[KeyShift]},
entry! {action=MovementMessage::TranslateCanvasByViewportFraction(DVec2::new(-1., 0.)), key_down=KeyPageDown, modifiers=[KeyShift]},
entry! {action=MovementMessage::TranslateCanvasByViewportFraction(DVec2::new(0., 1.)), key_down=KeyPageUp},
entry! {action=MovementMessage::TranslateCanvasByViewportFraction(DVec2::new(0., -1.)), key_down=KeyPageDown},
// Document actions
entry! {action=PortfolioMessage::NewDocument, key_down=KeyN, modifiers=[KeyControl]},
entry! {action=PortfolioMessage::NextDocument, key_down=KeyTab, modifiers=[KeyControl]},
entry! {action=PortfolioMessage::PrevDocument, key_down=KeyTab, modifiers=[KeyControl, KeyShift]},
entry! {action=PortfolioMessage::CloseAllDocumentsWithConfirmation, key_down=KeyW, modifiers=[KeyControl, KeyAlt]},
entry! {action=PortfolioMessage::CloseActiveDocumentWithConfirmation, key_down=KeyW, modifiers=[KeyControl]},
entry! {action=DocumentMessage::DuplicateSelectedLayers, key_down=KeyD, modifiers=[KeyControl]},
entry! {action=PortfolioMessage::Copy(User), key_down=KeyC, modifiers=[KeyControl]},
entry! {action=PortfolioMessage::Cut(User), key_down=KeyX, modifiers=[KeyControl]},
entry! {action=DocumentMessage::GroupSelectedLayers, key_down=KeyG, modifiers=[KeyControl]},
entry! {action=DocumentMessage::UngroupSelectedLayers, key_down=KeyG, modifiers=[KeyControl, KeyShift]},
// Nudging
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift, KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift, KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift, KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift, KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., SHIFT_NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyShift, KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyShift, KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-SHIFT_NUDGE_AMOUNT, 0.), key_down=KeyArrowLeft, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, -SHIFT_NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyShift, KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, SHIFT_NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyShift, KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(SHIFT_NUDGE_AMOUNT, 0.), key_down=KeyArrowRight, modifiers=[KeyShift]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowUp, modifiers=[KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., -NUDGE_AMOUNT), key_down=KeyArrowUp},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyArrowLeft]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowDown, modifiers=[KeyArrowRight]},
entry! {action=DocumentMessage::NudgeSelectedLayers(0., NUDGE_AMOUNT), key_down=KeyArrowDown},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowLeft, modifiers=[KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(-NUDGE_AMOUNT, 0.), key_down=KeyArrowLeft},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, -NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyArrowUp]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, NUDGE_AMOUNT), key_down=KeyArrowRight, modifiers=[KeyArrowDown]},
entry! {action=DocumentMessage::NudgeSelectedLayers(NUDGE_AMOUNT, 0.), key_down=KeyArrowRight},
// Reorder Layers
entry! {action=DocumentMessage::ReorderSelectedLayers(i32::MAX), key_down=KeyRightCurlyBracket, modifiers=[KeyControl]}, // TODO: Use KeyRightBracket with ctrl+shift modifiers once input system is fixed
entry! {action=DocumentMessage::ReorderSelectedLayers(1), key_down=KeyRightBracket, modifiers=[KeyControl]},
entry! {action=DocumentMessage::ReorderSelectedLayers(-1), key_down=KeyLeftBracket, modifiers=[KeyControl]},
entry! {action=DocumentMessage::ReorderSelectedLayers(i32::MIN), key_down=KeyLeftCurlyBracket, modifiers=[KeyControl]}, // TODO: Use KeyLeftBracket with ctrl+shift modifiers once input system is fixed
// Global Actions
entry! {action=GlobalMessage::LogInfo, key_down=Key1},
entry! {action=GlobalMessage::LogDebug, key_down=Key2},
entry! {action=GlobalMessage::LogTrace, key_down=Key3},
];
let (mut key_up, mut key_down, mut pointer_move, mut mouse_scroll) = mappings;
const NUMBER_KEYS: [Key; 10] = [Key0, Key1, Key2, Key3, Key4, Key5, Key6, Key7, Key8, Key9];
for (i, key) in NUMBER_KEYS.iter().enumerate() {
key_down[*key as usize].0.insert(
0,
MappingEntry {
trigger: InputMapperMessage::KeyDown(*key),
modifiers: modifiers! {},
action: TransformLayerMessage::TypeNumber(i as u8).into(),
},
);
}
let sort = |list: &mut KeyMappingEntries| list.0.sort_by(|u, v| v.modifiers.ones().cmp(&u.modifiers.ones()));
for list in [&mut key_up, &mut key_down] {
for sublist in list {
sort(sublist);
}
}
sort(&mut pointer_move);
sort(&mut mouse_scroll);
Self {
key_up,
key_down,
pointer_move,
mouse_scroll,
}
}
}
impl Mapping {
fn match_message(&self, message: InputMapperMessage, keys: &KeyStates, actions: ActionList) -> Option<Message> {
use InputMapperMessage::*;
let list = match message {
KeyDown(key) => &self.key_down[key as usize],
KeyUp(key) => &self.key_up[key as usize],
MouseScroll => &self.mouse_scroll,
PointerMove => &self.pointer_move,
};
list.match_mapping(keys, actions)
}
}
#[derive(Debug, Default)]
pub struct InputMapper {
mapping: Mapping,
}
impl InputMapper {
pub fn hints(&self, actions: ActionList) -> String {
let mut output = String::new();
let mut actions = actions
.into_iter()
.flatten()
.filter(|a| !matches!(*a, MessageDiscriminant::Tool(ToolMessageDiscriminant::ActivateTool) | MessageDiscriminant::Global(_)));
self.mapping
.key_down
.iter()
.enumerate()
.filter_map(|(i, m)| {
let ma = m.0.iter().find_map(|m| actions.find_map(|a| (a == m.action.to_discriminant()).then(|| m.action.to_discriminant())));
ma.map(|a| unsafe { (std::mem::transmute_copy::<usize, Key>(&i), a) })
})
.for_each(|(k, a)| {
let _ = write!(output, "{}: {}, ", k.to_discriminant().local_name(), a.local_name().split('.').last().unwrap());
});
output.replace("Key", "")
}
}
impl MessageHandler<InputMapperMessage, (&InputPreprocessor, ActionList)> for InputMapper {
fn process_action(&mut self, message: InputMapperMessage, data: (&InputPreprocessor, ActionList), responses: &mut VecDeque<Message>) {
let (input, actions) = data;
if let Some(message) = self.mapping.match_message(message, &input.keyboard, actions) {
responses.push_back(message);
}
}
advertise_actions!();
}