Register key and action listeners using Interactive::initialize

Co-Authored-By: Thorsten <mrnugget@gmail.com>
This commit is contained in:
Antonio Scandurra
2023-11-13 11:37:57 +01:00
co-authored by Thorsten
parent 318cb784b2
commit 9c18253863
6 changed files with 317 additions and 251 deletions
+169 -193
View File
@@ -15,10 +15,10 @@ use crate::{
use anyhow::Result;
use collections::{BTreeMap, HashMap};
use gpui::{
black, hsla, point, px, relative, size, transparent_black, Action, AnyElement, AvailableSpace,
BorrowAppContext, BorrowWindow, Bounds, ContentMask, Corners, DispatchPhase, Edges, Element,
ElementId, ElementInputHandler, Entity, FocusHandle, GlobalElementId, Hsla, InputHandler,
KeyContext, KeyDownEvent, KeyListener, KeyMatch, Line, LineLayout, Modifiers, MouseButton,
black, hsla, point, px, relative, size, transparent_black, Action, ActionListener, AnyElement,
AvailableSpace, BorrowAppContext, BorrowWindow, Bounds, ContentMask, Corners, DispatchPhase,
Edges, Element, ElementId, ElementInputHandler, Entity, FocusHandle, GlobalElementId, Hsla,
InputHandler, KeyContext, KeyDownEvent, KeyMatch, Line, LineLayout, Modifiers, MouseButton,
MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, ScrollWheelEvent, ShapedGlyph, Size,
Style, TextRun, TextStyle, TextSystem, ViewContext, WindowContext, WrappedLineLayout,
};
@@ -2459,7 +2459,166 @@ impl Element<Editor> for EditorElement {
cx.with_key_dispatch(
dispatch_context,
Some(editor.focus_handle.clone()),
|_, _| {},
|_, cx| {
handle_action(cx, Editor::move_left);
handle_action(cx, Editor::move_right);
handle_action(cx, Editor::move_down);
handle_action(cx, Editor::move_up);
// on_action(cx, Editor::new_file); todo!()
// on_action(cx, Editor::new_file_in_direction); todo!()
handle_action(cx, Editor::cancel);
handle_action(cx, Editor::newline);
handle_action(cx, Editor::newline_above);
handle_action(cx, Editor::newline_below);
handle_action(cx, Editor::backspace);
handle_action(cx, Editor::delete);
handle_action(cx, Editor::tab);
handle_action(cx, Editor::tab_prev);
handle_action(cx, Editor::indent);
handle_action(cx, Editor::outdent);
handle_action(cx, Editor::delete_line);
handle_action(cx, Editor::join_lines);
handle_action(cx, Editor::sort_lines_case_sensitive);
handle_action(cx, Editor::sort_lines_case_insensitive);
handle_action(cx, Editor::reverse_lines);
handle_action(cx, Editor::shuffle_lines);
handle_action(cx, Editor::convert_to_upper_case);
handle_action(cx, Editor::convert_to_lower_case);
handle_action(cx, Editor::convert_to_title_case);
handle_action(cx, Editor::convert_to_snake_case);
handle_action(cx, Editor::convert_to_kebab_case);
handle_action(cx, Editor::convert_to_upper_camel_case);
handle_action(cx, Editor::convert_to_lower_camel_case);
handle_action(cx, Editor::delete_to_previous_word_start);
handle_action(cx, Editor::delete_to_previous_subword_start);
handle_action(cx, Editor::delete_to_next_word_end);
handle_action(cx, Editor::delete_to_next_subword_end);
handle_action(cx, Editor::delete_to_beginning_of_line);
handle_action(cx, Editor::delete_to_end_of_line);
handle_action(cx, Editor::cut_to_end_of_line);
handle_action(cx, Editor::duplicate_line);
handle_action(cx, Editor::move_line_up);
handle_action(cx, Editor::move_line_down);
handle_action(cx, Editor::transpose);
handle_action(cx, Editor::cut);
handle_action(cx, Editor::copy);
handle_action(cx, Editor::paste);
handle_action(cx, Editor::undo);
handle_action(cx, Editor::redo);
handle_action(cx, Editor::move_page_up);
handle_action(cx, Editor::move_page_down);
handle_action(cx, Editor::next_screen);
handle_action(cx, Editor::scroll_cursor_top);
handle_action(cx, Editor::scroll_cursor_center);
handle_action(cx, Editor::scroll_cursor_bottom);
handle_action(cx, |editor, _: &LineDown, cx| {
editor.scroll_screen(&ScrollAmount::Line(1.), cx)
});
handle_action(cx, |editor, _: &LineUp, cx| {
editor.scroll_screen(&ScrollAmount::Line(-1.), cx)
});
handle_action(cx, |editor, _: &HalfPageDown, cx| {
editor.scroll_screen(&ScrollAmount::Page(0.5), cx)
});
handle_action(cx, |editor, _: &HalfPageUp, cx| {
editor.scroll_screen(&ScrollAmount::Page(-0.5), cx)
});
handle_action(cx, |editor, _: &PageDown, cx| {
editor.scroll_screen(&ScrollAmount::Page(1.), cx)
});
handle_action(cx, |editor, _: &PageUp, cx| {
editor.scroll_screen(&ScrollAmount::Page(-1.), cx)
});
handle_action(cx, Editor::move_to_previous_word_start);
handle_action(cx, Editor::move_to_previous_subword_start);
handle_action(cx, Editor::move_to_next_word_end);
handle_action(cx, Editor::move_to_next_subword_end);
handle_action(cx, Editor::move_to_beginning_of_line);
handle_action(cx, Editor::move_to_end_of_line);
handle_action(cx, Editor::move_to_start_of_paragraph);
handle_action(cx, Editor::move_to_end_of_paragraph);
handle_action(cx, Editor::move_to_beginning);
handle_action(cx, Editor::move_to_end);
handle_action(cx, Editor::select_up);
handle_action(cx, Editor::select_down);
handle_action(cx, Editor::select_left);
handle_action(cx, Editor::select_right);
handle_action(cx, Editor::select_to_previous_word_start);
handle_action(cx, Editor::select_to_previous_subword_start);
handle_action(cx, Editor::select_to_next_word_end);
handle_action(cx, Editor::select_to_next_subword_end);
handle_action(cx, Editor::select_to_beginning_of_line);
handle_action(cx, Editor::select_to_end_of_line);
handle_action(cx, Editor::select_to_start_of_paragraph);
handle_action(cx, Editor::select_to_end_of_paragraph);
handle_action(cx, Editor::select_to_beginning);
handle_action(cx, Editor::select_to_end);
handle_action(cx, Editor::select_all);
handle_action(cx, |editor, action, cx| {
editor.select_all_matches(action, cx).log_err();
});
handle_action(cx, Editor::select_line);
handle_action(cx, Editor::split_selection_into_lines);
handle_action(cx, Editor::add_selection_above);
handle_action(cx, Editor::add_selection_below);
handle_action(cx, |editor, action, cx| {
editor.select_next(action, cx).log_err();
});
handle_action(cx, |editor, action, cx| {
editor.select_previous(action, cx).log_err();
});
handle_action(cx, Editor::toggle_comments);
handle_action(cx, Editor::select_larger_syntax_node);
handle_action(cx, Editor::select_smaller_syntax_node);
handle_action(cx, Editor::move_to_enclosing_bracket);
handle_action(cx, Editor::undo_selection);
handle_action(cx, Editor::redo_selection);
handle_action(cx, Editor::go_to_diagnostic);
handle_action(cx, Editor::go_to_prev_diagnostic);
handle_action(cx, Editor::go_to_hunk);
handle_action(cx, Editor::go_to_prev_hunk);
handle_action(cx, Editor::go_to_definition);
handle_action(cx, Editor::go_to_definition_split);
handle_action(cx, Editor::go_to_type_definition);
handle_action(cx, Editor::go_to_type_definition_split);
handle_action(cx, Editor::fold);
handle_action(cx, Editor::fold_at);
handle_action(cx, Editor::unfold_lines);
handle_action(cx, Editor::unfold_at);
handle_action(cx, Editor::fold_selected_ranges);
handle_action(cx, Editor::show_completions);
handle_action(cx, Editor::toggle_code_actions);
// on_action(cx, Editor::open_excerpts); todo!()
handle_action(cx, Editor::toggle_soft_wrap);
handle_action(cx, Editor::toggle_inlay_hints);
handle_action(cx, Editor::reveal_in_finder);
handle_action(cx, Editor::copy_path);
handle_action(cx, Editor::copy_relative_path);
handle_action(cx, Editor::copy_highlight_json);
handle_action(cx, |editor, action, cx| {
editor
.format(action, cx)
.map(|task| task.detach_and_log_err(cx));
});
handle_action(cx, Editor::restart_language_server);
handle_action(cx, Editor::show_character_palette);
// on_action(cx, Editor::confirm_completion); todo!()
handle_action(cx, |editor, action, cx| {
editor
.confirm_code_action(action, cx)
.map(|task| task.detach_and_log_err(cx));
});
// on_action(cx, Editor::rename); todo!()
// on_action(cx, Editor::confirm_rename); todo!()
// on_action(cx, Editor::find_all_references); todo!()
handle_action(cx, Editor::next_copilot_suggestion);
handle_action(cx, Editor::previous_copilot_suggestion);
handle_action(cx, Editor::copilot_suggest);
handle_action(cx, Editor::context_menu_first);
handle_action(cx, Editor::context_menu_prev);
handle_action(cx, Editor::context_menu_next);
handle_action(cx, Editor::context_menu_last);
},
)
});
}
@@ -3995,197 +4154,14 @@ fn scale_horizontal_mouse_autoscroll_delta(delta: Pixels) -> f32 {
// }
// }
fn build_key_listeners(
global_element_id: GlobalElementId,
) -> impl IntoIterator<Item = (TypeId, KeyListener<Editor>)> {
[
build_action_listener(Editor::move_left),
build_action_listener(Editor::move_right),
build_action_listener(Editor::move_down),
build_action_listener(Editor::move_up),
// build_action_listener(Editor::new_file), todo!()
// build_action_listener(Editor::new_file_in_direction), todo!()
build_action_listener(Editor::cancel),
build_action_listener(Editor::newline),
build_action_listener(Editor::newline_above),
build_action_listener(Editor::newline_below),
build_action_listener(Editor::backspace),
build_action_listener(Editor::delete),
build_action_listener(Editor::tab),
build_action_listener(Editor::tab_prev),
build_action_listener(Editor::indent),
build_action_listener(Editor::outdent),
build_action_listener(Editor::delete_line),
build_action_listener(Editor::join_lines),
build_action_listener(Editor::sort_lines_case_sensitive),
build_action_listener(Editor::sort_lines_case_insensitive),
build_action_listener(Editor::reverse_lines),
build_action_listener(Editor::shuffle_lines),
build_action_listener(Editor::convert_to_upper_case),
build_action_listener(Editor::convert_to_lower_case),
build_action_listener(Editor::convert_to_title_case),
build_action_listener(Editor::convert_to_snake_case),
build_action_listener(Editor::convert_to_kebab_case),
build_action_listener(Editor::convert_to_upper_camel_case),
build_action_listener(Editor::convert_to_lower_camel_case),
build_action_listener(Editor::delete_to_previous_word_start),
build_action_listener(Editor::delete_to_previous_subword_start),
build_action_listener(Editor::delete_to_next_word_end),
build_action_listener(Editor::delete_to_next_subword_end),
build_action_listener(Editor::delete_to_beginning_of_line),
build_action_listener(Editor::delete_to_end_of_line),
build_action_listener(Editor::cut_to_end_of_line),
build_action_listener(Editor::duplicate_line),
build_action_listener(Editor::move_line_up),
build_action_listener(Editor::move_line_down),
build_action_listener(Editor::transpose),
build_action_listener(Editor::cut),
build_action_listener(Editor::copy),
build_action_listener(Editor::paste),
build_action_listener(Editor::undo),
build_action_listener(Editor::redo),
build_action_listener(Editor::move_page_up),
build_action_listener(Editor::move_page_down),
build_action_listener(Editor::next_screen),
build_action_listener(Editor::scroll_cursor_top),
build_action_listener(Editor::scroll_cursor_center),
build_action_listener(Editor::scroll_cursor_bottom),
build_action_listener(|editor, _: &LineDown, cx| {
editor.scroll_screen(&ScrollAmount::Line(1.), cx)
}),
build_action_listener(|editor, _: &LineUp, cx| {
editor.scroll_screen(&ScrollAmount::Line(-1.), cx)
}),
build_action_listener(|editor, _: &HalfPageDown, cx| {
editor.scroll_screen(&ScrollAmount::Page(0.5), cx)
}),
build_action_listener(|editor, _: &HalfPageUp, cx| {
editor.scroll_screen(&ScrollAmount::Page(-0.5), cx)
}),
build_action_listener(|editor, _: &PageDown, cx| {
editor.scroll_screen(&ScrollAmount::Page(1.), cx)
}),
build_action_listener(|editor, _: &PageUp, cx| {
editor.scroll_screen(&ScrollAmount::Page(-1.), cx)
}),
build_action_listener(Editor::move_to_previous_word_start),
build_action_listener(Editor::move_to_previous_subword_start),
build_action_listener(Editor::move_to_next_word_end),
build_action_listener(Editor::move_to_next_subword_end),
build_action_listener(Editor::move_to_beginning_of_line),
build_action_listener(Editor::move_to_end_of_line),
build_action_listener(Editor::move_to_start_of_paragraph),
build_action_listener(Editor::move_to_end_of_paragraph),
build_action_listener(Editor::move_to_beginning),
build_action_listener(Editor::move_to_end),
build_action_listener(Editor::select_up),
build_action_listener(Editor::select_down),
build_action_listener(Editor::select_left),
build_action_listener(Editor::select_right),
build_action_listener(Editor::select_to_previous_word_start),
build_action_listener(Editor::select_to_previous_subword_start),
build_action_listener(Editor::select_to_next_word_end),
build_action_listener(Editor::select_to_next_subword_end),
build_action_listener(Editor::select_to_beginning_of_line),
build_action_listener(Editor::select_to_end_of_line),
build_action_listener(Editor::select_to_start_of_paragraph),
build_action_listener(Editor::select_to_end_of_paragraph),
build_action_listener(Editor::select_to_beginning),
build_action_listener(Editor::select_to_end),
build_action_listener(Editor::select_all),
build_action_listener(|editor, action, cx| {
editor.select_all_matches(action, cx).log_err();
}),
build_action_listener(Editor::select_line),
build_action_listener(Editor::split_selection_into_lines),
build_action_listener(Editor::add_selection_above),
build_action_listener(Editor::add_selection_below),
build_action_listener(|editor, action, cx| {
editor.select_next(action, cx).log_err();
}),
build_action_listener(|editor, action, cx| {
editor.select_previous(action, cx).log_err();
}),
build_action_listener(Editor::toggle_comments),
build_action_listener(Editor::select_larger_syntax_node),
build_action_listener(Editor::select_smaller_syntax_node),
build_action_listener(Editor::move_to_enclosing_bracket),
build_action_listener(Editor::undo_selection),
build_action_listener(Editor::redo_selection),
build_action_listener(Editor::go_to_diagnostic),
build_action_listener(Editor::go_to_prev_diagnostic),
build_action_listener(Editor::go_to_hunk),
build_action_listener(Editor::go_to_prev_hunk),
build_action_listener(Editor::go_to_definition),
build_action_listener(Editor::go_to_definition_split),
build_action_listener(Editor::go_to_type_definition),
build_action_listener(Editor::go_to_type_definition_split),
build_action_listener(Editor::fold),
build_action_listener(Editor::fold_at),
build_action_listener(Editor::unfold_lines),
build_action_listener(Editor::unfold_at),
build_action_listener(Editor::fold_selected_ranges),
build_action_listener(Editor::show_completions),
build_action_listener(Editor::toggle_code_actions),
// build_action_listener(Editor::open_excerpts), todo!()
build_action_listener(Editor::toggle_soft_wrap),
build_action_listener(Editor::toggle_inlay_hints),
build_action_listener(Editor::reveal_in_finder),
build_action_listener(Editor::copy_path),
build_action_listener(Editor::copy_relative_path),
build_action_listener(Editor::copy_highlight_json),
build_action_listener(|editor, action, cx| {
editor
.format(action, cx)
.map(|task| task.detach_and_log_err(cx));
}),
build_action_listener(Editor::restart_language_server),
build_action_listener(Editor::show_character_palette),
// build_action_listener(Editor::confirm_completion), todo!()
build_action_listener(|editor, action, cx| {
editor
.confirm_code_action(action, cx)
.map(|task| task.detach_and_log_err(cx));
}),
// build_action_listener(Editor::rename), todo!()
// build_action_listener(Editor::confirm_rename), todo!()
// build_action_listener(Editor::find_all_references), todo!()
build_action_listener(Editor::next_copilot_suggestion),
build_action_listener(Editor::previous_copilot_suggestion),
build_action_listener(Editor::copilot_suggest),
build_action_listener(Editor::context_menu_first),
build_action_listener(Editor::context_menu_prev),
build_action_listener(Editor::context_menu_next),
build_action_listener(Editor::context_menu_last),
]
}
fn build_key_listener<T: 'static>(
listener: impl Fn(
&mut Editor,
&T,
&[&KeyContext],
DispatchPhase,
&mut ViewContext<Editor>,
) -> Option<Box<dyn Action>>
+ 'static,
) -> (TypeId, KeyListener<Editor>) {
(
TypeId::of::<T>(),
Box::new(move |editor, event, dispatch_context, phase, cx| {
let key_event = event.downcast_ref::<T>()?;
listener(editor, key_event, dispatch_context, phase, cx)
}),
)
}
fn build_action_listener<T: Action>(
fn handle_action<T: Action>(
cx: &mut ViewContext<Editor>,
listener: impl Fn(&mut Editor, &T, &mut ViewContext<Editor>) + 'static,
) -> (TypeId, KeyListener<Editor>) {
build_key_listener(move |editor, action: &T, dispatch_context, phase, cx| {
) {
cx.on_action(TypeId::of::<T>(), move |editor, action, phase, cx| {
let action = action.downcast_ref().unwrap();
if phase == DispatchPhase::Bubble {
listener(editor, action, cx);
}
None
})
}
+1
View File
@@ -234,6 +234,7 @@ where
element_state.focus_handle.take(),
cx,
|focus_handle, cx| {
this.interactivity.initialize(cx);
element_state.focus_handle = focus_handle;
for child in &mut this.children {
child.initialize(view_state, cx);
+50 -37
View File
@@ -165,43 +165,40 @@ pub trait StatelessInteractive<V: 'static>: Element<V> {
}
/// Capture the given action, fires during the capture phase
fn capture_action<A: 'static>(
fn capture_action<A: Action>(
mut self,
listener: impl Fn(&mut V, &A, &mut ViewContext<V>) + 'static,
) -> Self
where
Self: Sized,
{
self.stateless_interactivity().key_listeners.push((
self.stateless_interactivity().action_listeners.push((
TypeId::of::<A>(),
Box::new(move |view, action, _dipatch_context, phase, cx| {
Box::new(move |view, action, phase, cx| {
let action = action.downcast_ref().unwrap();
if phase == DispatchPhase::Capture {
listener(view, action, cx)
}
None
}),
));
self
}
/// Add a listener for the given action, fires during the bubble event phase
fn on_action<A: 'static>(
fn on_action<A: Action>(
mut self,
listener: impl Fn(&mut V, &A, &mut ViewContext<V>) + 'static,
) -> Self
where
Self: Sized,
{
self.stateless_interactivity().key_listeners.push((
self.stateless_interactivity().action_listeners.push((
TypeId::of::<A>(),
Box::new(move |view, action, _dispatch_context, phase, cx| {
Box::new(move |view, action, phase, cx| {
let action = action.downcast_ref().unwrap();
if phase == DispatchPhase::Bubble {
listener(view, action, cx)
}
None
}),
));
self
@@ -214,14 +211,11 @@ pub trait StatelessInteractive<V: 'static>: Element<V> {
where
Self: Sized,
{
self.stateless_interactivity().key_listeners.push((
TypeId::of::<KeyDownEvent>(),
Box::new(move |view, event, _, phase, cx| {
let event = event.downcast_ref().unwrap();
listener(view, event, phase, cx);
None
}),
));
self.stateless_interactivity()
.key_down_listeners
.push(Box::new(move |view, event, phase, cx| {
listener(view, event, phase, cx)
}));
self
}
@@ -232,14 +226,11 @@ pub trait StatelessInteractive<V: 'static>: Element<V> {
where
Self: Sized,
{
self.stateless_interactivity().key_listeners.push((
TypeId::of::<KeyUpEvent>(),
Box::new(move |view, event, _, phase, cx| {
let event = event.downcast_ref().unwrap();
listener(view, event, phase, cx);
None
}),
));
self.stateless_interactivity()
.key_up_listeners
.push(Box::new(move |view, event, phase, cx| {
listener(view, event, phase, cx)
}));
self
}
@@ -439,6 +430,26 @@ pub trait ElementInteractivity<V: 'static>: 'static {
}
}
fn initialize(&mut self, cx: &mut ViewContext<V>) {
let stateless = self.as_stateless_mut();
for listener in stateless.key_down_listeners.drain(..) {
cx.on_key_event(move |state, event: &KeyDownEvent, phase, cx| {
listener(state, event, phase, cx);
})
}
for listener in stateless.key_up_listeners.drain(..) {
cx.on_key_event(move |state, event: &KeyUpEvent, phase, cx| {
listener(state, event, phase, cx);
})
}
for (action_type, listener) in stateless.action_listeners.drain(..) {
cx.on_action(action_type, listener)
}
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,
@@ -765,7 +776,9 @@ pub struct StatelessInteractivity<V> {
pub mouse_up_listeners: SmallVec<[MouseUpListener<V>; 2]>,
pub mouse_move_listeners: SmallVec<[MouseMoveListener<V>; 2]>,
pub scroll_wheel_listeners: SmallVec<[ScrollWheelListener<V>; 2]>,
pub key_listeners: SmallVec<[(TypeId, KeyListener<V>); 32]>,
pub key_down_listeners: SmallVec<[KeyDownListener<V>; 2]>,
pub key_up_listeners: SmallVec<[KeyUpListener<V>; 2]>,
pub action_listeners: SmallVec<[(TypeId, ActionListener<V>); 8]>,
pub hover_style: StyleRefinement,
pub group_hover_style: Option<GroupStyle>,
drag_over_styles: SmallVec<[(TypeId, StyleRefinement); 2]>,
@@ -867,7 +880,9 @@ impl<V> Default for StatelessInteractivity<V> {
mouse_up_listeners: SmallVec::new(),
mouse_move_listeners: SmallVec::new(),
scroll_wheel_listeners: SmallVec::new(),
key_listeners: SmallVec::new(),
key_down_listeners: SmallVec::new(),
key_up_listeners: SmallVec::new(),
action_listeners: SmallVec::new(),
hover_style: StyleRefinement::default(),
group_hover_style: None,
drag_over_styles: SmallVec::new(),
@@ -1202,16 +1217,14 @@ pub(crate) type HoverListener<V> = Box<dyn Fn(&mut V, bool, &mut ViewContext<V>)
pub(crate) type TooltipBuilder<V> = Arc<dyn Fn(&mut V, &mut ViewContext<V>) -> AnyView + 'static>;
pub type KeyListener<V> = Box<
dyn Fn(
&mut V,
&dyn Any,
&[&KeyContext],
DispatchPhase,
&mut ViewContext<V>,
) -> Option<Box<dyn Action>>
+ 'static,
>;
pub(crate) type KeyDownListener<V> =
Box<dyn Fn(&mut V, &KeyDownEvent, DispatchPhase, &mut ViewContext<V>) + 'static>;
pub(crate) type KeyUpListener<V> =
Box<dyn Fn(&mut V, &KeyUpEvent, DispatchPhase, &mut ViewContext<V>) + 'static>;
pub type ActionListener<V> =
Box<dyn Fn(&mut V, &dyn Any, DispatchPhase, &mut ViewContext<V>) + 'static>;
#[cfg(test)]
mod test {
+32 -18
View File
@@ -69,6 +69,7 @@ impl KeyDispatcher {
});
self.node_stack.push(node_id);
if !context.is_empty() {
self.active_node().context = context.clone();
self.context_stack.push(context);
if let Some((context_stack, matcher)) = old_dispatcher
.keystroke_matchers
@@ -153,6 +154,7 @@ impl KeyDispatcher {
// Capture phase
self.context_stack.clear();
cx.propagate_event = true;
for node_id in &dispatch_path {
let node = &self.nodes[node_id.0];
if !node.context.is_empty() {
@@ -193,18 +195,16 @@ impl KeyDispatcher {
);
}
if let Some(keystroke_matcher) = self
let keystroke_matcher = self
.keystroke_matchers
.get_mut(self.context_stack.as_slice())
.unwrap();
if let KeyMatch::Some(action) = keystroke_matcher
.match_keystroke(&key_down_event.keystroke, self.context_stack.as_slice())
{
if let KeyMatch::Some(action) = keystroke_matcher.match_keystroke(
&key_down_event.keystroke,
self.context_stack.as_slice(),
) {
self.dispatch_action_on_node(*node_id, action, cx);
if !cx.propagate_event {
return;
}
self.dispatch_action_on_node(*node_id, action, cx);
if !cx.propagate_event {
return;
}
}
}
@@ -236,10 +236,17 @@ impl KeyDispatcher {
// Capture phase
for node_id in &dispatch_path {
let node = &self.nodes[node_id.0];
for ActionListener { listener, .. } in &node.action_listeners {
listener(&action, DispatchPhase::Capture, cx);
if !cx.propagate_event {
return;
for ActionListener {
action_type,
listener,
} in &node.action_listeners
{
let any_action = action.as_any();
if *action_type == any_action.type_id() {
listener(any_action, DispatchPhase::Capture, cx);
if !cx.propagate_event {
return;
}
}
}
}
@@ -247,11 +254,18 @@ impl KeyDispatcher {
// Bubble phase
for node_id in dispatch_path.iter().rev() {
let node = &self.nodes[node_id.0];
for ActionListener { listener, .. } in &node.action_listeners {
cx.propagate_event = false; // Actions stop propagation by default during the bubble phase
listener(&action, DispatchPhase::Capture, cx);
if !cx.propagate_event {
return;
for ActionListener {
action_type,
listener,
} in &node.action_listeners
{
let any_action = action.as_any();
if *action_type == any_action.type_id() {
cx.propagate_event = false; // Actions stop propagation by default during the bubble phase
listener(any_action, DispatchPhase::Bubble, cx);
if !cx.propagate_event {
return;
}
}
}
}
+62
View File
@@ -713,6 +713,42 @@ impl<'a> WindowContext<'a> {
))
}
/// Register a key event listener on the window for the current frame. The type of event
/// is determined by the first parameter of the given listener. When the next frame is rendered
/// the listener will be cleared.
///
/// This is a fairly low-level method, so prefer using event handlers on elements unless you have
/// a specific need to register a global listener.
pub fn on_key_event<Event: 'static>(
&mut self,
handler: impl Fn(&Event, DispatchPhase, &mut WindowContext) + 'static,
) {
let key_dispatcher = self.window.current_frame.key_dispatcher.as_mut().unwrap();
key_dispatcher.on_key_event(Box::new(move |event, phase, cx| {
if let Some(event) = event.downcast_ref::<Event>() {
handler(event, phase, cx)
}
}));
}
/// Register an action listener on the window for the current frame. The type of action
/// is determined by the first parameter of the given listener. When the next frame is rendered
/// the listener will be cleared.
///
/// This is a fairly low-level method, so prefer using action handlers on elements unless you have
/// a specific need to register a global listener.
pub fn on_action(
&mut self,
action_type: TypeId,
handler: impl Fn(&dyn Any, DispatchPhase, &mut WindowContext) + 'static,
) {
let key_dispatcher = self.window.current_frame.key_dispatcher.as_mut().unwrap();
key_dispatcher.on_action(
action_type,
Box::new(move |action, phase, cx| handler(action, phase, cx)),
);
}
/// The position of the mouse relative to the window.
pub fn mouse_position(&self) -> Point<Pixels> {
self.window.mouse_position
@@ -1955,6 +1991,32 @@ impl<'a, V: 'static> ViewContext<'a, V> {
});
}
pub fn on_key_event<Event: 'static>(
&mut self,
handler: impl Fn(&mut V, &Event, DispatchPhase, &mut ViewContext<V>) + 'static,
) {
let handle = self.view();
self.window_cx.on_key_event(move |event, phase, cx| {
handle.update(cx, |view, cx| {
handler(view, event, phase, cx);
})
});
}
pub fn on_action(
&mut self,
action_type: TypeId,
handler: impl Fn(&mut V, &dyn Any, DispatchPhase, &mut ViewContext<V>) + 'static,
) {
let handle = self.view();
self.window_cx
.on_action(action_type, move |action, phase, cx| {
handle.update(cx, |view, cx| {
handler(view, action, phase, cx);
})
});
}
/// Set an input handler, such as [ElementInputHandler], which interfaces with the
/// platform to receive textual input with proper integration with concerns such
/// as IME interactions.
+3 -3
View File
@@ -39,10 +39,10 @@ impl Render for FocusStory {
.focusable()
.context("parent")
.on_action(|_, action: &ActionA, cx| {
println!("Action A dispatched on parent during");
println!("Action A dispatched on parent");
})
.on_action(|_, action: &ActionB, cx| {
println!("Action B dispatched on parent during");
println!("Action B dispatched on parent");
})
.on_focus(|_, _, _| println!("Parent focused"))
.on_blur(|_, _, _| println!("Parent blurred"))
@@ -79,7 +79,7 @@ impl Render for FocusStory {
.track_focus(&child_2)
.context("child-2")
.on_action(|_, action: &ActionC, cx| {
println!("Action C dispatched on child 2 during");
println!("Action C dispatched on child 2");
})
.w_full()
.h_6()