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LibWeb: Selection toString focused text control delegation

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Allows selected text in form controls to be copied to clipboard.
This commit is contained in:
Jonathan Gamble
2025-12-31 14:34:58 -06:00
committed by Shannon Booth
parent 451177f1f4
commit 7385569a02
Notes: github-actions[bot] 2026-01-02 17:41:12 +00:00 
Author: https://github.com/jonbgamble
Commit: https://github.com/LadybirdBrowser/ladybird/commit/7385569a024
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7292
Reviewed-by: https://github.com/shannonbooth ✅
12 changed files with 140 additions and 4 deletions
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31
Libraries/LibWeb/HTML/HTMLInputElement.cpp
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@@ -1447,6 +1447,9 @@ void HTMLInputElement::did_receive_focus()
if (m_placeholder_text_node)
m_placeholder_text_node->invalidate_style(DOM::StyleInvalidationReason::DidReceiveFocus);
if (has_selectable_text())
document().get_selection()->remove_all_ranges();
}
void HTMLInputElement::did_lose_focus()
@@ -3298,6 +3301,7 @@ bool HTMLInputElement::has_selectable_text() const
case TypeAttributeState::Time:
case TypeAttributeState::LocalDateAndTime:
case TypeAttributeState::Number:
case TypeAttributeState::Email:
return true;
default:
return false;
@@ -3790,4 +3794,31 @@ bool HTMLInputElement::uses_button_layout() const
TypeAttributeState::Button, TypeAttributeState::Color, TypeAttributeState::FileUpload);
}
Optional<Utf16String> HTMLInputElement::selected_text_for_stringifier() const
{
// https://w3c.github.io/selection-api/#dom-selection-stringifier
// Used for clipboard copy and window.getSelection().toString() when this element is active.
if (!has_selectable_text())
return {};
size_t start = this->selection_start();
size_t end = this->selection_end();
if (start >= end)
return {};
switch (type_state()) {
case TypeAttributeState::Text:
case TypeAttributeState::Search:
case TypeAttributeState::Telephone:
case TypeAttributeState::URL:
case TypeAttributeState::Email:
return Utf16String::from_utf16(relevant_value().substring_view(start, end - start));
case TypeAttributeState::Password:
return Utf16String::repeated(0x2022, end - start); // 0x2022 is BULLET character
default:
return {};
}
}
}