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emit physical key presses when a non-Latin layout is active #4461

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May 10, 2024
Merged

emit physical key presses when a non-Latin layout is active #4461

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86cc395
egui-winit: emit physical key presses when a non-Latin layout is active
TicClick May 5, 2024
73d9ecc
document that `egui::Key::key` may contain a physical key code
TicClick May 10, 2024
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14 changes: 9 additions & 5 deletions crates/egui-winit/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -746,15 +746,19 @@ impl State {
physical_key
);

if let Some(logical_key) = logical_key {
// "Logical OR physical key" is a fallback mechanism for keyboard layouts without Latin characters: it lets them
// emit events as if the corresponding keys from the Latin layout were pressed. In this case, clipboard shortcuts
// are mapped to the physical keys that normally contain C, X, V, etc.
// See also: https://github.com/emilk/egui/issues/3653
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if let Some(active_key) = logical_key.or(physical_key) {
if pressed {
if is_cut_command(self.egui_input.modifiers, logical_key) {
if is_cut_command(self.egui_input.modifiers, active_key) {
self.egui_input.events.push(egui::Event::Cut);
return;
} else if is_copy_command(self.egui_input.modifiers, logical_key) {
} else if is_copy_command(self.egui_input.modifiers, active_key) {
self.egui_input.events.push(egui::Event::Copy);
return;
} else if is_paste_command(self.egui_input.modifiers, logical_key) {
} else if is_paste_command(self.egui_input.modifiers, active_key) {
if let Some(contents) = self.clipboard.get() {
let contents = contents.replace("\r\n", "\n");
if !contents.is_empty() {
Expand All @@ -766,7 +770,7 @@ impl State {
}

self.egui_input.events.push(egui::Event::Key {
key: logical_key,
key: active_key,
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physical_key,
pressed,
repeat: false, // egui will fill this in for us!
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