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dispatch selectionchange when Selection changes

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This commit is contained in:
Muki Kiboigo
2026-02-09 06:27:50 -08:00
parent 5e32ccbf12
commit 7c8fcf73f6
1 changed files with 22 additions and 5 deletions
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27
src/browser/webapi/Selection.zig
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@@ -24,6 +24,8 @@ const Page = @import("../Page.zig");
const Range = @import("Range.zig");
const AbstractRange = @import("AbstractRange.zig");
const Node = @import("Node.zig");
const Event = @import("Event.zig");
const Document = @import("Document.zig");
/// https://w3c.github.io/selection-api/
const Selection = @This();
@@ -35,6 +37,12 @@ _direction: SelectionDirection = .none,
pub const init: Selection = .{};
fn dispatchSelectionChangeEvent(page: *Page) !void {
const event = try Event.init("selectionchange", .{}, page);
defer if (!event._v8_handoff) event.deinit(false);
try page._event_manager.dispatch(page.document.asEventTarget(), event);
}
fn isInTree(self: *const Selection) bool {
if (self._range == null) return false;
const anchor_node = self.getAnchorNode() orelse return false;
@@ -110,23 +118,26 @@ pub fn getType(self: *const Selection) []const u8 {
return "Range";
}
pub fn addRange(self: *Selection, range: *Range) !void {
pub fn addRange(self: *Selection, range: *Range, page: *Page) !void {
if (self._range != null) return;
self._range = range;
try dispatchSelectionChangeEvent(page);
}
pub fn removeRange(self: *Selection, range: *Range) !void {
pub fn removeRange(self: *Selection, range: *Range, page: *Page) !void {
if (self._range == range) {
self._range = null;
try dispatchSelectionChangeEvent(page);
return;
} else {
return error.NotFound;
}
}
pub fn removeAllRanges(self: *Selection) void {
pub fn removeAllRanges(self: *Selection, page: *Page) !void {
self._range = null;
self._direction = .none;
try dispatchSelectionChangeEvent(page);
}
pub fn collapseToEnd(self: *Selection, page: *Page) !void {
@@ -142,6 +153,7 @@ pub fn collapseToEnd(self: *Selection, page: *Page) !void {
self._range = new_range;
self._direction = .none;
try dispatchSelectionChangeEvent(page);
}
pub fn collapseToStart(self: *Selection, page: *Page) !void {
@@ -157,6 +169,7 @@ pub fn collapseToStart(self: *Selection, page: *Page) !void {
self._range = new_range;
self._direction = .none;
try dispatchSelectionChangeEvent(page);
}
pub fn containsNode(self: *const Selection, node: *Node, partial: bool) !bool {
@@ -187,8 +200,8 @@ pub fn containsNode(self: *const Selection, node: *Node, partial: bool) !bool {
pub fn deleteFromDocument(self: *Selection, page: *Page) !void {
const range = self._range orelse return;
try range.deleteContents(page);
try dispatchSelectionChangeEvent(page);
}
pub fn extend(self: *Selection, node: *Node, _offset: ?u32, page: *Page) !void {
@@ -230,6 +243,7 @@ pub fn extend(self: *Selection, node: *Node, _offset: ?u32, page: *Page) !void {
}
self._range = new_range;
try dispatchSelectionChangeEvent(page);
}
pub fn getRangeAt(self: *Selection, index: u32) !*Range {
@@ -309,6 +323,7 @@ pub fn selectAllChildren(self: *Selection, parent: *Node, page: *Page) !void {
self._range = range;
self._direction = .forward;
try dispatchSelectionChangeEvent(page);
}
pub fn setBaseAndExtent(
@@ -355,11 +370,12 @@ pub fn setBaseAndExtent(
}
self._range = range;
try dispatchSelectionChangeEvent(page);
}
pub fn collapse(self: *Selection, _node: ?*Node, _offset: ?u32, page: *Page) !void {
const node = _node orelse {
self.removeAllRanges();
try self.removeAllRanges(page);
return;
};
@@ -376,6 +392,7 @@ pub fn collapse(self: *Selection, _node: ?*Node, _offset: ?u32, page: *Page) !vo
self._range = range;
self._direction = .none;
try dispatchSelectionChangeEvent(page);
}
pub fn toString(self: *const Selection, page: *Page) ![]const u8 {