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Implement virtual key translation for emscripten (#289)

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* Implement virtual key translation

* Remove unused std::mem import from the right file

* Install git on CircleCI instances

* Fix CircleCI config script

* Fix type error in emscripten keyboard events
This commit is contained in:
Kelvin Ly 2017-09-16 09:46:53 -04:00 committed by tomaka
parent 52a7b07c79
commit 192bd798e3
3 changed files with 461 additions and 6 deletions
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3
.circleci/config.yml
View file

@ -7,6 +7,7 @@ jobs:
docker:
- image: tomaka/cargo-apk
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: android-test-cache-{{ checksum "Cargo.toml" }}
@ -21,6 +22,7 @@ jobs:
docker:
- image: tomaka/rustc-emscripten
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: asmjs-test-cache-{{ checksum "Cargo.toml" }}
@ -35,6 +37,7 @@ jobs:
docker:
- image: tomaka/rustc-emscripten
steps:
- run: apt-get -qq update && apt-get install -y git
- checkout
- restore_cache:
key: wasm-test-cache-{{ checksum "Cargo.toml" }}

6
src/platform/emscripten/ffi.rs
View file

@ -2,7 +2,6 @@
#![allow(non_snake_case)]
#![allow(non_camel_case_types)]
use std::mem;
use std::os::raw::{c_int, c_char, c_void, c_ulong, c_double};
pub type EM_BOOL = c_int;
@ -65,6 +64,11 @@ pub const EMSCRIPTEN_EVENT_POINTERLOCKERROR: c_int = 38;
pub const EM_HTML5_SHORT_STRING_LEN_BYTES: usize = 32;
pub const DOM_KEY_LOCATION_STANDARD: c_ulong = 0x00;
pub const DOM_KEY_LOCATION_LEFT: c_ulong = 0x01;
pub const DOM_KEY_LOCATION_RIGHT: c_ulong = 0x02;
pub const DOM_KEY_LOCATION_NUMPAD: c_ulong = 0x03;
pub type em_callback_func = Option<unsafe extern "C" fn()>;
pub type em_key_callback_func = Option<unsafe extern "C" fn(

458
src/platform/emscripten/mod.rs
View file

@ -453,7 +453,11 @@ fn error_to_str(code: ffi::EMSCRIPTEN_RESULT) -> &'static str {
fn key_translate(input: [ffi::EM_UTF8; ffi::EM_HTML5_SHORT_STRING_LEN_BYTES]) -> u8 {
use std::str;
let slice = &input[0..input.iter().take_while(|x| **x != 0).count()];
let key = unsafe { str::from_utf8(mem::transmute::<&[i8], &[u8]>(slice)).unwrap() };
let maybe_key = unsafe { str::from_utf8(mem::transmute::<_, &[u8]>(slice)) };
let key = match maybe_key {
Ok(key) => key,
Err(_) => { return 0; },
};
if key.chars().count() == 1 {
key.as_bytes()[0]
} else {
@ -461,9 +465,453 @@ fn key_translate(input: [ffi::EM_UTF8; ffi::EM_HTML5_SHORT_STRING_LEN_BYTES]) ->
}
}
fn key_translate_virt(_input: [ffi::EM_UTF8; ffi::EM_HTML5_SHORT_STRING_LEN_BYTES],
_location: c_ulong) -> Option<::VirtualKeyCode>
fn key_translate_virt(input: [ffi::EM_UTF8; ffi::EM_HTML5_SHORT_STRING_LEN_BYTES],
location: c_ulong) -> Option<::VirtualKeyCode>
{
// TODO
None
use std::str;
let slice = &input[0..input.iter().take_while(|x| **x != 0).count()];
let maybe_key = unsafe { str::from_utf8(mem::transmute::<_, &[u8]>(slice)) };
let key = match maybe_key {
Ok(key) => key,
Err(_) => { return None; },
};
use VirtualKeyCode::*;
match key {
"Alt" => match location {
ffi::DOM_KEY_LOCATION_LEFT => Some(LAlt),
ffi::DOM_KEY_LOCATION_RIGHT => Some(RAlt),
_ => None,
},
"AltGraph" => None,
"CapsLock" => None,
"Control" => match location {
ffi::DOM_KEY_LOCATION_LEFT => Some(LControl),
ffi::DOM_KEY_LOCATION_RIGHT => Some(RControl),
_ => None,
},
"Fn" => None,
"FnLock" => None,
"Hyper" => None,
"Meta" => None,
"NumLock" => Some(Numlock),
"ScrollLock" => Some(Scroll),
"Shift" => match location {
ffi::DOM_KEY_LOCATION_LEFT => Some(LShift),
ffi::DOM_KEY_LOCATION_RIGHT => Some(RShift),
_ => None,
},
"Super" => None,
"Symbol" => None,
"SymbolLock" => None,
"Enter" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(NumpadEnter),
_ => Some(Return),
},
"Tab" => Some(Tab),
" " => Some(Space),
"ArrowDown" => Some(Down),
"ArrowLeft" => Some(Left),
"ArrowRight" => Some(Right),
"ArrowUp" => Some(Up),
"End" => None,
"Home" => None,
"PageDown" => None,
"PageUp" => None,
"Backspace" => Some(Back),
"Clear" => None,
"Copy" => None,
"CrSel" => None,
"Cut" => None,
"Delete" => None,
"EraseEof" => None,
"ExSel" => None,
"Insert" => Some(Insert),
"Paste" => None,
"Redo" => None,
"Undo" => None,
"Accept" => None,
"Again" => None,
"Attn" => None,
"Cancel" => None,
"ContextMenu" => None,
"Escape" => Some(Escape),
"Execute" => None,
"Find" => None,
"Finish" => None,
"Help" => None,
"Pause" => Some(Pause),
"Play" => None,
"Props" => None,
"Select" => None,
"ZoomIn" => None,
"ZoomOut" => None,
"BrightnessDown" => None,
"BrightnessUp" => None,
"Eject" => None,
"LogOff" => None,
"Power" => Some(Power),
"PowerOff" => None,
"PrintScreen" => Some(Snapshot),
"Hibernate" => None,
"Standby" => Some(Sleep),
"WakeUp" => Some(Wake),
"AllCandidates" => None,
"Alphanumeric" => None,
"CodeInput" => None,
"Compose" => Some(Compose),
"Convert" => Some(Convert),
"Dead" => None,
"FinalMode" => None,
"GroupFirst" => None,
"GroupLast" => None,
"GroupNext" => None,
"GroupPrevious" => None,
"ModeChange" => None,
"NextCandidate" => None,
"NonConvert" => None,
"PreviousCandidate" => None,
"Process" => None,
"SingleCandidate" => None,
"HangulMode" => None,
"HanjaMode" => None,
"JunjaMode" => None,
"Eisu" => None,
"Hankaku" => None,
"Hiragana" => None,
"HiraganaKatakana" => None,
"KanaMode" => Some(Kana),
"KanjiMode" => Some(Kanji),
"Romaji" => None,
"Zenkaku" => None,
"ZenkakuHanaku" => None,
"F1" => Some(F1),
"F2" => Some(F2),
"F3" => Some(F3),
"F4" => Some(F4),
"F5" => Some(F5),
"F6" => Some(F6),
"F7" => Some(F7),
"F8" => Some(F8),
"F9" => Some(F9),
"F10" => Some(F10),
"F11" => Some(F11),
"F12" => Some(F12),
"F13" => Some(F13),
"F14" => Some(F14),
"F15" => Some(F15),
"F16" => None,
"F17" => None,
"F18" => None,
"F19" => None,
"F20" => None,
"Soft1" => None,
"Soft2" => None,
"Soft3" => None,
"Soft4" => None,
"AppSwitch" => None,
"Call" => None,
"Camera" => None,
"CameraFocus" => None,
"EndCall" => None,
"GoBack" => None,
"GoHome" => None,
"HeadsetHook" => None,
"LastNumberRedial" => None,
"Notification" => None,
"MannerMode" => None,
"VoiceDial" => None,
"ChannelDown" => None,
"ChannelUp" => None,
"MediaFastForward" => None,
"MediaPause" => None,
"MediaPlay" => None,
"MediaPlayPause" => Some(PlayPause),
"MediaRecord" => None,
"MediaRewind" => None,
"MediaStop" => Some(MediaStop),
"MediaTrackNext" => Some(NextTrack),
"MediaTrackPrevious" => Some(PrevTrack),
"AudioBalanceLeft" => None,
"AudioBalanceRight" => None,
"AudioBassDown" => None,
"AudioBassBoostDown" => None,
"AudioBassBoostToggle" => None,
"AudioBassBoostUp" => None,
"AudioBassUp" => None,
"AudioFaderFront" => None,
"AudioFaderRear" => None,
"AudioSurroundModeNext" => None,
"AudioTrebleDown" => None,
"AudioTrebleUp" => None,
"AudioVolumeDown" => Some(VolumeDown),
"AudioVolumeMute" => Some(Mute),
"AudioVolumeUp" => Some(VolumeUp),
"MicrophoneToggle" => None,
"MicrophoneVolumeDown" => None,
"MicrophoneVolumeMute" => None,
"MicrophoneVolumeUp" => None,
"TV" => None,
"TV3DMode" => None,
"TVAntennaCable" => None,
"TVAudioDescription" => None,
"TVAudioDescriptionMixDown" => None,
"TVAudioDescriptionMixUp" => None,
"TVContentsMenu" => None,
"TVDataService" => None,
"TVInput" => None,
"TVInputComponent1" => None,
"TVInputComponent2" => None,
"TVInputComposite1" => None,
"TVInputComposite2" => None,
"TVInputHDM1" => None,
"TVInputHDM2" => None,
"TVInputHDM3" => None,
"TVInputHDM4" => None,
"TVInputVGA1" => None,
"TVMediaContext" => None,
"TVNetwork" => None,
"TVNumberEntry" => None,
"TVPower" => None,
"TVRadioService" => None,
"TVSatellite" => None,
"TVSatelliteBS" => None,
"TVSatelliteCS" => None,
"TVSatelliteToggle" => None,
"TVTerrestrialAnalog" => None,
"TVTerrestrialDigital" => None,
"TVTimer" => None,
"AVRInput" => None,
"AVRPower" => None,
"ColorF0Red" => None,
"ColorF1Green" => None,
"ColorF2Yellow" => None,
"ColorF3Blue" => None,
"ColorF4Grey" => None,
"ColorF5Brown" => None,
"ClosedCaptionToggle" => None,
"Dimmer" => None,
"DisplaySwap" => None,
"DVR" => None,
"Exit" => None,
"FavoriteClear0" => None,
"FavoriteClear1" => None,
"FavoriteClear2" => None,
"FavoriteClear3" => None,
"FavoriteRecall0" => None,
"FavoriteRecall1" => None,
"FavoriteRecall2" => None,
"FavoriteRecall3" => None,
"FavoriteStore0" => None,
"FavoriteStore1" => None,
"FavoriteStore2" => None,
"FavoriteStore3" => None,
"FavoriteStore4" => None,
"Guide" => None,
"GuideNextDay" => None,
"GuidePreviousDay" => None,
"Info" => None,
"InstantReplay" => None,
"Link" => None,
"ListProgram" => None,
"LiveContent" => None,
"Lock" => None,
"MediaApps" => None,
"MediaAudioTrack" => None,
"MediaLast" => None,
"MediaSkipBackward" => None,
"MediaSkipForward" => None,
"MediaStepBackward" => None,
"MediaStepForward" => None,
"MediaTopMenu" => None,
"NavigateIn" => None,
"NavigateNext" => None,
"NavigateOut" => None,
"NavigatePrevious" => None,
"NextFavoriteChannel" => None,
"NextUserProfile" => None,
"OnDemand" => None,
"Pairing" => None,
"PinPDown" => None,
"PinPMove" => None,
"PinPToggle" => None,
"PinPUp" => None,
"PlaySpeedDown" => None,
"PlaySpeedReset" => None,
"PlaySpeedUp" => None,
"RandomToggle" => None,
"RcLowBattery" => None,
"RecordSpeedNext" => None,
"RfBypass" => None,
"ScanChannelsToggle" => None,
"ScreenModeNext" => None,
"Settings" => None,
"SplitScreenToggle" => None,
"STBInput" => None,
"STBPower" => None,
"Subtitle" => None,
"Teletext" => None,
"VideoModeNext" => None,
"Wink" => None,
"ZoomToggle" => None,
"SpeechCorrectionList" => None,
"SpeechInputToggle" => None,
"Close" => None,
"New" => None,
"Open" => None,
"Print" => None,
"Save" => None,
"SpellCheck" => None,
"MailForward" => None,
"MailReply" => None,
"MailSend" => None,
"LaunchCalculator" => Some(Calculator),
"LaunchCalendar" => None,
"LaunchContacts" => None,
"LaunchMail" => Some(Mail),
"LaunchMediaPlayer" => None,
"LaunchMusicPlayer" => None,
"LaunchMyComputer" => Some(MyComputer),
"LaunchPhone" => None,
"LaunchScreenSaver" => None,
"LaunchSpreadsheet" => None,
"LaunchWebCam" => None,
"LaunchWordProcessor" => None,
"LaunchApplication1" => None,
"LaunchApplication2" => None,
"LaunchApplication3" => None,
"LaunchApplication4" => None,
"LaunchApplication5" => None,
"LaunchApplication6" => None,
"LaunchApplication7" => None,
"LaunchApplication8" => None,
"LaunchApplication9" => None,
"LaunchApplication10" => None,
"LaunchApplication11" => None,
"LaunchApplication12" => None,
"LaunchApplication13" => None,
"LaunchApplication14" => None,
"LaunchApplication15" => None,
"LaunchApplication16" => None,
"BrowserBack" => Some(WebBack),
"BrowserFavorites" => Some(WebFavorites),
"BrowserForward" => Some(WebForward),
"BrowserHome" => Some(WebHome),
"BrowserRefresh" => Some(WebRefresh),
"BrowserSearch" => Some(WebSearch),
"BrowserStop" => Some(WebStop),
"Decimal" => Some(Decimal),
"Key11" => None,
"Key12" => None,
"Multiply" | "*" => Some(Multiply),
"Add" | "+" => Some(Add),
// "Clear" => None,
"Divide" => Some(Divide),
"Subtract" | "-" => Some(Subtract),
"Separator" => None,
"0" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad0),
_ => Some(Key0),
},
"1" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad1),
_ => Some(Key1),
},
"2" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad2),
_ => Some(Key2),
},
"3" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad3),
_ => Some(Key3),
},
"4" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad4),
_ => Some(Key4),
},
"5" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad5),
_ => Some(Key5),
},
"6" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad6),
_ => Some(Key6),
},
"7" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad7),
_ => Some(Key7),
},
"8" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad8),
_ => Some(Key8),
},
"9" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(Numpad9),
_ => Some(Key9),
},
"A" | "a" => Some(A),
"B" | "b" => Some(B),
"C" | "c" => Some(C),
"D" | "d" => Some(D),
"E" | "e" => Some(E),
"F" | "f" => Some(F),
"G" | "g" => Some(G),
"H" | "h" => Some(H),
"I" | "i" => Some(I),
"J" | "j" => Some(J),
"K" | "k" => Some(K),
"L" | "l" => Some(L),
"M" | "m" => Some(M),
"N" | "n" => Some(N),
"O" | "o" => Some(O),
"P" | "p" => Some(P),
"Q" | "q" => Some(Q),
"R" | "r" => Some(R),
"S" | "s" => Some(S),
"T" | "t" => Some(T),
"U" | "u" => Some(U),
"V" | "v" => Some(V),
"W" | "w" => Some(W),
"X" | "x" => Some(X),
"Y" | "y" => Some(Y),
"Z" | "z" => Some(Z),
"'" => Some(Apostrophe),
"\\" => Some(Backslash),
":" => Some(Colon),
"," => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(NumpadComma),
_ => Some(Comma),
},
"=" => match location {
ffi::DOM_KEY_LOCATION_NUMPAD => Some(NumpadEquals),
_ => Some(Equals),
},
"{" => Some(LBracket),
"." => Some(Period),
"}" => Some(RBracket),
";" => Some(Semicolon),
"/" => Some(Slash),
_ => None,
}
}