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This commit is contained in:
Delan Azabani 2025-09-19 15:18:03 +08:00
parent d2f793f837
commit 9ed4e46a88
1 changed files with 41 additions and 2 deletions
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43
components/script/dom/document_event_handler.rs
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@ -28,7 +28,7 @@ use script_bindings::codegen::GenericBindings::NavigatorBinding::NavigatorMethod
use script_bindings::codegen::GenericBindings::NodeBinding::NodeMethods;
use script_bindings::codegen::GenericBindings::PerformanceBinding::PerformanceMethods;
use script_bindings::codegen::GenericBindings::TouchBinding::TouchMethods;
use script_bindings::codegen::GenericBindings::WindowBinding::WindowMethods;
use script_bindings::codegen::GenericBindings::WindowBinding::{ScrollBehavior, WindowMethods};
use script_bindings::inheritance::Castable;
use script_bindings::num::Finite;
use script_bindings::root::{Dom, DomRoot, DomSlice};
@ -1474,10 +1474,49 @@ impl DocumentEventHandler {
}
pub(crate) fn run_default_keyboard_event_handler(&self, event: &KeyboardEvent, can_gc: CanGc) {
if event.upcast::<Event>().type_() != atom!("keydown") {
const LINE_HEIGHT: f32 = 76.0;
const LINE_WIDTH: f32 = 76.0;
if event.upcast::<Event>().type_() != atom!("keydown") || !event.modifiers().is_empty() {
return;
}
// 1. Find the element to scroll
;
// 2. Determine what key was pressed, and calculate the scroll distance
let (x, y) = match event.key() {
// Key::Named(NamedKey::Home) => {
// // webview.notify_scroll_event(ScrollLocation::Start, origin);
// }
// Key::Named(NamedKey::End) => {
// // webview.notify_scroll_event(ScrollLocation::End, origin);
// }
Key::Named(NamedKey::PageDown) => {
(0.0, self.window.InnerHeight() as f32 - 2.0 * LINE_HEIGHT)
}
Key::Named(NamedKey::PageUp) => {
(0.0, 2.0 * LINE_HEIGHT - self.window.InnerHeight() as f32)
}
Key::Named(NamedKey::ArrowUp) => {
(0.0, -LINE_HEIGHT)
}
Key::Named(NamedKey::ArrowDown) => {
(0.0, LINE_HEIGHT)
}
Key::Named(NamedKey::ArrowLeft) => {
(-LINE_WIDTH, 0.0)
}
Key::Named(NamedKey::ArrowRight) => {
(LINE_WIDTH, 0.0)
}
_ => return,
};
// 3. Do the scroll
self.window.perform_a_scroll(x, y, self.window.pipeline_id().root_scroll_id(), ScrollBehavior::Auto, None);
// keydown
dbg!(event.upcast::<Event>().type_());
}