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Merge pull request #1155 from lightpanda-io/composition_event

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add CompositionEvent
This commit is contained in:
Karl Seguin
2025-10-18 07:44:13 +08:00
committed by GitHub
parent c52dce1c48 c69adcb163
commit 758f7deb93
5 changed files with 97 additions and 1 deletions
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1
src/browser/dom/tree_walker.zig
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@@ -227,7 +227,6 @@ pub const TreeWalker = struct {
continue;
};
if (!result.should_descend) {
// This is an .accept node - return it
self.current_node = result.node;

57
src/browser/events/composition_event.zig Normal file
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@@ -0,0 +1,57 @@
// Copyright (C) 2023-2025 Lightpanda (Selecy SAS)
//
// Francis Bouvier <francis@lightpanda.io>
// Pierre Tachoire <pierre@lightpanda.io>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
const std = @import("std");
const parser = @import("../netsurf.zig");
// https://developer.mozilla.org/en-US/docs/Web/API/CompositionEvent
pub const CompositionEvent = struct {
data: []const u8,
proto: parser.Event,
pub const union_make_copy = true;
pub const prototype = *parser.Event;
pub const ConstructorOptions = struct {
data: []const u8 = "",
};
pub fn constructor(event_type: []const u8, options_: ?ConstructorOptions) !CompositionEvent {
const options: ConstructorOptions = options_ orelse .{};
const event = try parser.eventCreate();
defer parser.eventDestroy(event);
try parser.eventInit(event, event_type, .{});
parser.eventSetInternalType(event, .composition_event);
return .{
.proto = event.*,
.data = options.data,
};
}
pub fn get_data(self: *const CompositionEvent) []const u8 {
return self.data;
}
};
const testing = @import("../../testing.zig");
test "Browser: Events.Composition" {
try testing.htmlRunner("events/composition.html");
}

3
src/browser/events/event.zig
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@@ -37,6 +37,7 @@ const KeyboardEvent = @import("keyboard_event.zig").KeyboardEvent;
const ErrorEvent = @import("../html/error_event.zig").ErrorEvent;
const MessageEvent = @import("../dom/MessageChannel.zig").MessageEvent;
const PopStateEvent = @import("../html/History.zig").PopStateEvent;
const CompositionEvent = @import("composition_event.zig").CompositionEvent;
// Event interfaces
pub const Interfaces = .{
@@ -48,6 +49,7 @@ pub const Interfaces = .{
ErrorEvent,
MessageEvent,
PopStateEvent,
CompositionEvent,
};
pub const Union = generate.Union(Interfaces);
@@ -76,6 +78,7 @@ pub const Event = struct {
.message_event => .{ .MessageEvent = @as(*MessageEvent, @ptrCast(evt)).* },
.keyboard_event => .{ .KeyboardEvent = @as(*parser.KeyboardEvent, @ptrCast(evt)) },
.pop_state => .{ .PopStateEvent = @as(*PopStateEvent, @ptrCast(evt)).* },
.composition_event => .{ .CompositionEvent = (@as(*CompositionEvent, @fieldParentPtr("proto", evt))).* },
};
}

1
src/browser/netsurf.zig
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@@ -559,6 +559,7 @@ pub const EventType = enum(u8) {
message_event = 7,
keyboard_event = 8,
pop_state = 9,
composition_event = 10,
};
pub const MutationEvent = c.dom_mutation_event;

36
src/tests/events/composition.html Normal file
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@@ -0,0 +1,36 @@
<!DOCTYPE html>
<script src="../testing.js"></script>
<script id=noNata>
{
let event = new CompositionEvent("test", {});
testing.expectEqual(true, event instanceof CompositionEvent);
testing.expectEqual(true, event instanceof Event);
testing.expectEqual("test", event.type);
testing.expectEqual("", event.data);
}
</script>
<script id=withData>
{
let event = new CompositionEvent("test2", {data: "over 9000!"});
testing.expectEqual("test2", event.type);
testing.expectEqual("over 9000!", event.data);
}
</script>
<script id=dispatch>
{
let called = 0;
document.addEventListener('CE', (e) => {
testing.expectEqual('test-data', e.data);
testing.expectEqual(true, e instanceof CompositionEvent);
called += 1
});
document.dispatchEvent(new CompositionEvent('CE', {data: 'test-data'}));
testing.expectEqual(1, called);
}
</script>