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Add keyboard special key support for web content interaction

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Enter, Backspace, Tab, Escape, Delete, arrow keys, Home, End,
PageUp, PageDown now forward to Servo. Previously only printable
characters reached the web engine, making forms unusable.
This commit is contained in:
ZacharyZhang-NY
2026-05-09 15:36:37 -04:00
parent 5d678c274a
commit f3a8671bd5
3 changed files with 91 additions and 16 deletions
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crates/ely_servo_host/src/keyboard.rs
+21 -2
View File
@@ -1,6 +1,25 @@
use servo::Code;
use servo::{Code, Key};
pub(crate) fn keyboard_code_for_character(character: char) -> Code {
pub(crate) fn key_and_code_for_character(character: char) -> (Key, Code) {
match character {
'\n' | '\r' => (Key::Enter, Code::Enter),
'\x08' => (Key::Backspace, Code::Backspace),
'\t' => (Key::Tab, Code::Tab),
'\x1b' => (Key::Escape, Code::Escape),
'\x7f' => (Key::Delete, Code::Delete),
'\u{F700}' => (Key::ArrowUp, Code::ArrowUp),
'\u{F701}' => (Key::ArrowDown, Code::ArrowDown),
'\u{F702}' => (Key::ArrowLeft, Code::ArrowLeft),
'\u{F703}' => (Key::ArrowRight, Code::ArrowRight),
'\u{F729}' => (Key::Home, Code::Home),
'\u{F72B}' => (Key::End, Code::End),
'\u{F72C}' => (Key::PageUp, Code::PageUp),
'\u{F72D}' => (Key::PageDown, Code::PageDown),
_ => (Key::Character(character.to_string()), printable_code(character)),
}
}
fn printable_code(character: char) -> Code {
match character {
'a' | 'A' => Code::KeyA,
'b' | 'B' => Code::KeyB,
crates/ely_servo_host/src/runtime_input.rs
+3 -4
View File
@@ -1,10 +1,10 @@
use servo::{
DevicePoint, InputEvent, Key, KeyState, KeyboardEvent, Location, Modifiers, MouseButton,
DevicePoint, InputEvent, KeyState, KeyboardEvent, Location, Modifiers, MouseButton,
MouseButtonAction, MouseButtonEvent, MouseMoveEvent, TouchEvent, TouchEventType, TouchId,
WebView, WebViewPoint,
};
use crate::keyboard::keyboard_code_for_character;
use crate::keyboard::key_and_code_for_character;
pub(super) fn send_mouse_click(webview: &WebView, x: u32, y: u32) {
let point = point(x, y);
@@ -32,8 +32,7 @@ pub(super) fn send_touch_tap(webview: &WebView, x: u32, y: u32) {
pub(super) fn send_keyboard_text(webview: &WebView, text: &str) {
for character in text.chars() {
let key = Key::Character(character.to_string());
let code = keyboard_code_for_character(character);
let (key, code) = key_and_code_for_character(character);
webview.notify_input_event(InputEvent::Keyboard(KeyboardEvent::new_without_event(
KeyState::Down,
key.clone(),