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fix selection modify on nextTextNodeAfter

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This commit is contained in:
Muki Kiboigo
2026-02-25 07:21:30 -08:00
parent f348d85b11
commit dd15f5e052
1 changed files with 29 additions and 2 deletions
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31
src/browser/webapi/Selection.zig
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@@ -354,6 +354,30 @@ fn nextTextNode(node: *Node) ?*Node {
}
}
fn nextTextNodeAfter(node: *Node) ?*Node {
var current = node;
while (true) {
if (current.nextSibling()) |sib| {
current = sib;
} else {
while (true) {
const parent = current.parentNode() orelse return null;
if (parent.nextSibling()) |uncle| {
current = uncle;
break;
}
current = parent;
}
}
var descend = current;
while (true) {
if (isTextNode(descend)) return descend;
descend = descend.firstChild() orelse break;
}
}
}
fn prevTextNode(node: *Node) ?*Node {
var current = node;
@@ -413,10 +437,13 @@ fn modifyByCharacter(self: *Selection, alter: ModifyAlter, forward: bool, range:
new_node = t;
new_offset = 0;
}
} else if (nextTextNodeAfter(focus_node)) |next| {
new_node = next;
new_offset = 1;
}
} else {
// backward element-node case
var idx = focus_offset;
while (idx > 0) {
idx -= 1;
const child = focus_node.getChildAt(idx) orelse break;
@@ -496,7 +523,7 @@ fn modifyByWord(self: *Selection, alter: ModifyAlter, forward: bool, range: *Ran
if (forward) {
const child = focus_node.getChildAt(focus_offset) orelse {
if (nextTextNode(focus_node)) |next| {
if (nextTextNodeAfter(focus_node)) |next| {
new_node = next;
new_offset = nextWordEnd(next.getData(), 0);
}