windows: Fix Zed/GPUI misinterpreting keycodes + Refactor (#12814)
Release Notes: - Fixed Zed/GPUI misinterpreting keycodes on non-US keyboards ([#12811](https://github.com/zed-industries/zed/issues/12811)). --------- Co-authored-by: Marshall Bowers <elliott.codes@gmail.com> Co-authored-by: Mikayla Maki <mikayla.c.maki@gmail.com>
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1 changed files with 82 additions and 125 deletions
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@ -1082,37 +1082,30 @@ fn parse_syskeydown_msg_keystroke(wparam: WPARAM) -> Option<Keystroke> {
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}
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let vk_code = wparam.loword();
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let basic_key = basic_vkcode_to_string(vk_code, modifiers);
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if basic_key.is_some() {
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return basic_key;
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}
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let key = match VIRTUAL_KEY(vk_code) {
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VK_BACK => Some("backspace"),
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VK_RETURN => Some("enter"),
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VK_TAB => Some("tab"),
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VK_UP => Some("up"),
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VK_DOWN => Some("down"),
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VK_RIGHT => Some("right"),
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VK_LEFT => Some("left"),
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VK_HOME => Some("home"),
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VK_END => Some("end"),
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VK_PRIOR => Some("pageup"),
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VK_NEXT => Some("pagedown"),
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VK_ESCAPE => Some("escape"),
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VK_INSERT => Some("insert"),
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_ => None,
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};
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if let Some(key) = key {
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Some(Keystroke {
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modifiers,
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key: key.to_string(),
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ime_key: None,
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})
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} else {
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None
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VK_BACK => "backspace",
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VK_RETURN => "enter",
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VK_TAB => "tab",
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VK_UP => "up",
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VK_DOWN => "down",
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VK_RIGHT => "right",
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VK_LEFT => "left",
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VK_HOME => "home",
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VK_END => "end",
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VK_PRIOR => "pageup",
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VK_NEXT => "pagedown",
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VK_ESCAPE => "escape",
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VK_INSERT => "insert",
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_ => return basic_vkcode_to_string(vk_code, modifiers),
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}
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.to_owned();
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Some(Keystroke {
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modifiers,
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key: key,
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ime_key: None,
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})
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}
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enum KeystrokeOrModifier {
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@ -1125,67 +1118,62 @@ fn parse_keydown_msg_keystroke(wparam: WPARAM) -> Option<KeystrokeOrModifier> {
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let modifiers = current_modifiers();
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if is_modifier(VIRTUAL_KEY(vk_code)) {
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return Some(KeystrokeOrModifier::Modifier(modifiers));
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}
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let key = match VIRTUAL_KEY(vk_code) {
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VK_BACK => "backspace",
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VK_RETURN => "enter",
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VK_TAB => "tab",
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VK_UP => "up",
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VK_DOWN => "down",
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VK_RIGHT => "right",
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VK_LEFT => "left",
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VK_HOME => "home",
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VK_END => "end",
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VK_PRIOR => "pageup",
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VK_NEXT => "pagedown",
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VK_ESCAPE => "escape",
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VK_INSERT => "insert",
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VK_DELETE => "delete",
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_ => {
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if is_modifier(VIRTUAL_KEY(vk_code)) {
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return Some(KeystrokeOrModifier::Modifier(modifiers));
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}
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if modifiers.control || modifiers.alt {
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let basic_key = basic_vkcode_to_string(vk_code, modifiers);
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if let Some(basic_key) = basic_key {
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return Some(KeystrokeOrModifier::Keystroke(basic_key));
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if modifiers.control || modifiers.alt {
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let basic_key = basic_vkcode_to_string(vk_code, modifiers);
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if let Some(basic_key) = basic_key {
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return Some(KeystrokeOrModifier::Keystroke(basic_key));
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}
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}
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if vk_code >= VK_F1.0 && vk_code <= VK_F24.0 {
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let offset = vk_code - VK_F1.0;
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return Some(KeystrokeOrModifier::Keystroke(Keystroke {
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modifiers,
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key: format!("f{}", offset + 1),
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ime_key: None,
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}));
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};
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return None;
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}
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}
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.to_owned();
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if vk_code >= VK_F1.0 && vk_code <= VK_F24.0 {
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let offset = vk_code - VK_F1.0;
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return Some(KeystrokeOrModifier::Keystroke(Keystroke {
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modifiers,
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key: format!("f{}", offset + 1),
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ime_key: None,
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}));
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}
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let key = match VIRTUAL_KEY(vk_code) {
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VK_BACK => Some("backspace"),
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VK_RETURN => Some("enter"),
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VK_TAB => Some("tab"),
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VK_UP => Some("up"),
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VK_DOWN => Some("down"),
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VK_RIGHT => Some("right"),
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VK_LEFT => Some("left"),
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VK_HOME => Some("home"),
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VK_END => Some("end"),
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VK_PRIOR => Some("pageup"),
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VK_NEXT => Some("pagedown"),
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VK_ESCAPE => Some("escape"),
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VK_INSERT => Some("insert"),
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VK_DELETE => Some("delete"),
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_ => None,
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};
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if let Some(key) = key {
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Some(KeystrokeOrModifier::Keystroke(Keystroke {
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modifiers,
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key: key.to_string(),
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ime_key: None,
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}))
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} else {
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None
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}
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Some(KeystrokeOrModifier::Keystroke(Keystroke {
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modifiers,
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key: key,
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ime_key: None,
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}))
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}
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fn parse_char_msg_keystroke(wparam: WPARAM) -> Option<Keystroke> {
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let src = [wparam.0 as u16];
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let Ok(first_char) = char::decode_utf16(src).collect::<Vec<_>>()[0] else {
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return None;
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};
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let first_char = char::from_u32((wparam.0 as u16).into())?;
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if first_char.is_control() {
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None
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} else {
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let mut modifiers = current_modifiers();
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// for characters that use 'shift' to type it is expected that the
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// shift is not reported if the uppercase/lowercase are the same and instead only the key is reported
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if first_char.to_lowercase().to_string() == first_char.to_uppercase().to_string() {
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if first_char.to_ascii_uppercase() == first_char.to_ascii_lowercase() {
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modifiers.shift = false;
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}
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let key = match first_char {
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@ -1262,56 +1250,25 @@ fn parse_ime_compostion_result(handle: HWND) -> Option<String> {
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}
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fn basic_vkcode_to_string(code: u16, modifiers: Modifiers) -> Option<Keystroke> {
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match code {
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// VK_0 - VK_9
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48..=57 => Some(Keystroke {
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modifiers,
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key: format!("{}", code - VK_0.0),
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ime_key: None,
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}),
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// VK_A - VK_Z
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65..=90 => Some(Keystroke {
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modifiers,
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key: format!("{}", (b'a' + code as u8 - VK_A.0 as u8) as char),
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ime_key: None,
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}),
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// VK_F1 - VK_F24
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112..=135 => Some(Keystroke {
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modifiers,
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key: format!("f{}", code - VK_F1.0 + 1),
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ime_key: None,
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}),
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// OEM3: `/~, OEM_MINUS: -/_, OEM_PLUS: =/+, ...
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_ => {
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if let Some(key) = oemkey_vkcode_to_string(code) {
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Some(Keystroke {
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modifiers,
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key,
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ime_key: None,
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})
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} else {
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None
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}
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}
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}
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}
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let mapped_code = unsafe { MapVirtualKeyW(code as u32, MAPVK_VK_TO_CHAR) };
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fn oemkey_vkcode_to_string(code: u16) -> Option<String> {
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match code {
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186 => Some(";".to_string()), // VK_OEM_1
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187 => Some("=".to_string()), // VK_OEM_PLUS
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188 => Some(",".to_string()), // VK_OEM_COMMA
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189 => Some("-".to_string()), // VK_OEM_MINUS
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190 => Some(".".to_string()), // VK_OEM_PERIOD
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// https://kbdlayout.info/features/virtualkeys/VK_ABNT_C1
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191 | 193 => Some("/".to_string()), // VK_OEM_2 VK_ABNT_C1
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192 => Some("`".to_string()), // VK_OEM_3
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219 => Some("[".to_string()), // VK_OEM_4
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220 => Some("\\".to_string()), // VK_OEM_5
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221 => Some("]".to_string()), // VK_OEM_6
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222 => Some("'".to_string()), // VK_OEM_7
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_ => None,
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}
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let key = match mapped_code {
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0 => None,
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raw_code => char::from_u32(raw_code),
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}?
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.to_ascii_lowercase();
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let key = if matches!(code as u32, 112..=135) {
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format!("f{key}")
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} else {
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key.to_string()
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};
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Some(Keystroke {
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modifiers,
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key,
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ime_key: None,
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})
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}
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#[inline]
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