forked from mirrors/gecko-dev
182556357b
Supports sending keys to an element. The specification here is still rather unfinished so the error handling and so on in this code will need iteration as it becomes clearer what the expected behaviour is. Source-Repo: https://github.com/servo/servo Source-Revision: afe03870ce1a5a65b4c22f2e64155259da8b4609
186 lines
7.5 KiB
Rust
186 lines
7.5 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use msg::constellation_msg::{Key, KeyState, KeyModifiers, SHIFT};
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/// Takes a character and returns an Option containing a tuple of the
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/// corresponding keycode and whether shift is required. This is
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/// currently pretty much ascii-only and the webdriver spec isn't
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/// entirely clear on how to deal with characters outside this
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/// range. Returns None if no key corresponding to the character is
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/// matched.
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fn key_from_char(key_string: &char) -> Option<(Key, bool)> {
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match *key_string {
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' ' => Some((Key::Space, false)),
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'\'' => Some((Key::Apostrophe, true)),
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'\"' => Some((Key::Apostrophe, false)),
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'<' => Some((Key::Comma, true)),
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',' => Some((Key::Comma, false)),
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'_' => Some((Key::Minus, true)),
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'-' => Some((Key::Minus, false)),
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'>' => Some((Key::Period, true)),
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'.' => Some((Key::Period, false)),
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'?' => Some((Key::Slash, true)),
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'/' => Some((Key::Slash, false)),
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'~' => Some((Key::GraveAccent, true)),
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'`' => Some((Key::GraveAccent, false)),
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')' => Some((Key::Num0, true)),
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'0' => Some((Key::Num0, false)),
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'!' => Some((Key::Num1, true)),
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'1' => Some((Key::Num1, false)),
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'@' => Some((Key::Num2, true)),
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'2' => Some((Key::Num2, false)),
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'#' => Some((Key::Num3, true)),
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'3' => Some((Key::Num3, false)),
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'$' => Some((Key::Num4, true)),
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'4' => Some((Key::Num4, false)),
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'%' => Some((Key::Num5, true)),
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'5' => Some((Key::Num5, false)),
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'^' => Some((Key::Num6, true)),
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'6' => Some((Key::Num6, false)),
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'&' => Some((Key::Num7, true)),
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'7' => Some((Key::Num7, false)),
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'*' => Some((Key::Num8, true)),
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'8' => Some((Key::Num8, false)),
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'(' => Some((Key::Num9, true)),
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'9' => Some((Key::Num9, false)),
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':' => Some((Key::Semicolon, true)),
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';' => Some((Key::Semicolon, false)),
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'+' => Some((Key::Equal, true)),
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'=' => Some((Key::Equal, false)),
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'A' => Some((Key::A, true)),
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'a' => Some((Key::A, false)),
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'B' => Some((Key::B, true)),
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'b' => Some((Key::B, false)),
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'C' => Some((Key::C, true)),
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'c' => Some((Key::C, false)),
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'D' => Some((Key::D, true)),
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'd' => Some((Key::D, false)),
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'E' => Some((Key::E, true)),
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'e' => Some((Key::E, false)),
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'F' => Some((Key::F, true)),
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'f' => Some((Key::F, false)),
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'G' => Some((Key::G, true)),
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'g' => Some((Key::G, false)),
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'H' => Some((Key::H, true)),
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'h' => Some((Key::H, false)),
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'I' => Some((Key::I, true)),
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'i' => Some((Key::I, false)),
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'J' => Some((Key::J, true)),
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'j' => Some((Key::J, false)),
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'K' => Some((Key::K, true)),
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'k' => Some((Key::K, false)),
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'L' => Some((Key::L, true)),
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'l' => Some((Key::L, false)),
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'M' => Some((Key::M, true)),
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'm' => Some((Key::M, false)),
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'N' => Some((Key::N, true)),
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'n' => Some((Key::N, false)),
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'O' => Some((Key::O, true)),
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'o' => Some((Key::O, false)),
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'P' => Some((Key::P, true)),
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'p' => Some((Key::P, false)),
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'Q' => Some((Key::Q, true)),
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'q' => Some((Key::Q, false)),
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'R' => Some((Key::R, true)),
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'r' => Some((Key::R, false)),
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'S' => Some((Key::S, true)),
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's' => Some((Key::S, false)),
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'T' => Some((Key::T, true)),
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't' => Some((Key::T, false)),
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'U' => Some((Key::U, true)),
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'u' => Some((Key::U, false)),
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'V' => Some((Key::V, true)),
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'v' => Some((Key::V, false)),
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'W' => Some((Key::W, true)),
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'w' => Some((Key::W, false)),
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'X' => Some((Key::X, true)),
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'x' => Some((Key::X, false)),
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'Y' => Some((Key::Y, true)),
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'y' => Some((Key::Y, false)),
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'Z' => Some((Key::Z, true)),
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'z' => Some((Key::Z, false)),
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'{' => Some((Key::LeftBracket, true)),
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'[' => Some((Key::LeftBracket, false)),
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'|' => Some((Key::Backslash, true)),
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'\\' => Some((Key::Backslash, false)),
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'}' => Some((Key::RightBracket, true)),
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']' => Some((Key::RightBracket, false)),
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'\u{E000}' => None,
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'\u{E001}' => None,
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'\u{E002}' => None,
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'\u{E003}' => Some((Key::Backspace, false)),
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'\u{E004}' => Some((Key::Tab, false)),
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'\u{E005}' => None,
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'\u{E006}' => Some((Key::Enter, false)), // This is supposed to be the Return key
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'\u{E007}' => Some((Key::Enter, false)),
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'\u{E008}' => Some((Key::LeftShift, false)),
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'\u{E009}' => Some((Key::LeftShift, false)),
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'\u{E00A}' => Some((Key::LeftAlt, false)),
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'\u{E00B}' => Some((Key::Pause, false)),
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'\u{E00C}' => Some((Key::Escape, false)),
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'\u{E00D}' => Some((Key::Space, false)),
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'\u{E00E}' => Some((Key::PageUp, false)),
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'\u{E00F}' => Some((Key::PageDown, false)),
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'\u{E010}' => Some((Key::End, false)),
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'\u{E011}' => Some((Key::Home, false)),
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'\u{E012}' => Some((Key::Right, false)),
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'\u{E013}' => Some((Key::Left, false)),
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'\u{E014}' => Some((Key::Down, false)),
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'\u{E015}' => Some((Key::Up, false)),
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'\u{E016}' => Some((Key::Insert, false)),
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'\u{E017}' => Some((Key::Delete, false)),
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'\u{E018}' => Some((Key::Semicolon, false)),
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'\u{E019}' => Some((Key::Equal, false)),
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'\u{E01A}' => Some((Key::Kp0, false)),
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'\u{E01B}' => Some((Key::Kp1, false)),
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'\u{E01C}' => Some((Key::Kp2, false)),
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'\u{E01D}' => Some((Key::Kp3, false)),
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'\u{E01E}' => Some((Key::Kp4, false)),
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'\u{E01F}' => Some((Key::Kp5, false)),
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'\u{E020}' => Some((Key::Kp6, false)),
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'\u{E021}' => Some((Key::Kp7, false)),
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'\u{E022}' => Some((Key::Kp8, false)),
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'\u{E023}' => Some((Key::Kp9, false)),
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'\u{E024}' => Some((Key::KpMultiply, false)),
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'\u{E025}' => Some((Key::KpAdd, false)),
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'\u{E026}' => Some((Key::KpEnter, false)),
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'\u{E027}' => Some((Key::KpSubtract, false)),
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'\u{E028}' => Some((Key::KpDecimal, false)),
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'\u{E029}' => Some((Key::KpDivide, false)),
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'\u{E031}' => Some((Key::F1, false)),
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'\u{E032}' => Some((Key::F2, false)),
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'\u{E033}' => Some((Key::F3, false)),
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'\u{E034}' => Some((Key::F4, false)),
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'\u{E035}' => Some((Key::F5, false)),
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'\u{E036}' => Some((Key::F6, false)),
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'\u{E037}' => Some((Key::F7, false)),
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'\u{E038}' => Some((Key::F8, false)),
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'\u{E039}' => Some((Key::F9, false)),
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'\u{E03A}' => Some((Key::F10, false)),
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'\u{E03B}' => Some((Key::F11, false)),
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'\u{E03C}' => Some((Key::F12, false)),
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'\u{E03D}' => None,
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'\u{E040}' => None,
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_ => None
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}
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}
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pub fn keycodes_to_keys(key_codes: &[char]) -> Result<Vec<(Key, KeyModifiers, KeyState)>, String> {
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let mut rv = vec![];
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for char_code in key_codes.iter() {
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let (key, with_shift) = try!(
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key_from_char(char_code).ok_or(format!("Unsupported character code {}", char_code)));
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let modifiers = if with_shift {
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SHIFT
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} else {
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KeyModifiers::empty()
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};
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rv.push((key, modifiers, KeyState::Pressed));
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rv.push((key, modifiers, KeyState::Released));
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};
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Ok(rv)
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}
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