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LibGUI: Debounce TextDocument undo stack

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This replaces the repeating 2-sec timer with a debounced single-shot
timer on user input.
This commit is contained in:
Carlos César Neves Enumo 2021-05-02 17:57:58 -03:00 • committed by Andreas Kling
parent 824bfa9600
commit 97d0028098
2 changed files with 7 additions and 5 deletions
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10
Userland/Libraries/LibGUI/TextDocument.cpp
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@ -28,10 +28,9 @@ TextDocument::TextDocument(Client* client)
append_line(make<TextDocumentLine>(*this));
set_modified(false);
// FIXME: Instead of a repeating timer, we should punt a deferred single-shot 2-sec timer on user input.
m_undo_timer = Core::Timer::construct(
m_undo_timer = Core::Timer::create_single_shot(
2000, [this] {
update_undo_timer();
update_undo();
});
}
@ -311,6 +310,9 @@ void TextDocument::notify_did_change()
{
set_modified(true);
if (m_undo_timer)
m_undo_timer->restart();
if (m_client_notifications_enabled) {
for (auto* client : m_clients)
client->document_did_change();
@ -791,7 +793,7 @@ void RemoveTextCommand::undo()
m_document.set_all_cursors(new_cursor);
}
void TextDocument::update_undo_timer()
void TextDocument::update_undo()
{
m_undo_stack.finalize_current_combo();
}

2
Userland/Libraries/LibGUI/TextDocument.h
View file

@ -129,7 +129,7 @@ protected:
explicit TextDocument(Client* client);
private:
void update_undo_timer();
void update_undo();
NonnullOwnPtrVector<TextDocumentLine> m_lines;
Vector<TextDocumentSpan> m_spans;