mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 14:57:35 +00:00
LibGUI: Add search API to TextEditor with highlighted results
This adds a search API to TextEditor. The API that is similar to "find_text" of TextDocument (which is used internally to do the search). All search results (as well as the current one) are highlighted with a "span collection", which is pretty neat :^)
This commit is contained in:
parent
a12385dc4b
commit
5f2a0f03a6
2 changed files with 75 additions and 1 deletions
|
@ -1,6 +1,7 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
||||
* Copyright (c) 2021, Jakob-Niklas See <git@nwex.de>
|
||||
* Copyright (c) 2022, the SerenityOS developers.
|
||||
*
|
||||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
@ -2105,4 +2106,62 @@ void TextEditor::set_text_is_secret(bool text_is_secret)
|
|||
did_update_selection();
|
||||
}
|
||||
|
||||
TextRange TextEditor::find_text(StringView needle, SearchDirection direction, GUI::TextDocument::SearchShouldWrap should_wrap, bool use_regex, bool match_case)
|
||||
{
|
||||
GUI::TextRange range {};
|
||||
if (direction == SearchDirection::Forward) {
|
||||
range = document().find_next(needle,
|
||||
m_search_result_index.has_value() ? m_search_results[*m_search_result_index].end() : GUI::TextPosition {},
|
||||
should_wrap, use_regex, match_case);
|
||||
} else {
|
||||
range = document().find_previous(needle,
|
||||
m_search_result_index.has_value() ? m_search_results[*m_search_result_index].start() : GUI::TextPosition {},
|
||||
should_wrap, use_regex, match_case);
|
||||
}
|
||||
|
||||
if (!range.is_valid()) {
|
||||
reset_search_results();
|
||||
return {};
|
||||
}
|
||||
|
||||
auto all_results = document().find_all(needle, use_regex, match_case);
|
||||
on_search_results(range, all_results);
|
||||
return range;
|
||||
}
|
||||
|
||||
void TextEditor::reset_search_results()
|
||||
{
|
||||
m_search_result_index.clear();
|
||||
m_search_results.clear();
|
||||
document().set_spans(search_results_span_collection_index, {});
|
||||
update();
|
||||
}
|
||||
|
||||
void TextEditor::on_search_results(GUI::TextRange current, Vector<GUI::TextRange> all_results)
|
||||
{
|
||||
m_search_result_index.clear();
|
||||
m_search_results.clear();
|
||||
|
||||
set_cursor(current.start());
|
||||
if (auto it = all_results.find(current); it->is_valid())
|
||||
m_search_result_index = it.index();
|
||||
m_search_results = move(all_results);
|
||||
|
||||
Vector<GUI::TextDocumentSpan> spans;
|
||||
for (size_t i = 0; i < m_search_results.size(); ++i) {
|
||||
auto& result = m_search_results[i];
|
||||
GUI::TextDocumentSpan span;
|
||||
span.range = result;
|
||||
span.attributes.background_color = palette().hover_highlight();
|
||||
span.attributes.color = Color::from_argb(0xff000000); // So text without spans from a highlighter will have color
|
||||
if (i == m_search_result_index) {
|
||||
span.attributes.bold = true;
|
||||
span.attributes.underline = true;
|
||||
}
|
||||
spans.append(move(span));
|
||||
}
|
||||
document().set_spans(search_results_span_collection_index, move(spans));
|
||||
update();
|
||||
}
|
||||
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue