drinkingtea/nostalgia
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[studio] Make undo/redo skip over obsolete commands

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This commit is contained in:
Gary Talent 2025-02-05 20:26:03 -06:00
parent b4798fd2ab
commit e002109829
1 changed files with 18 additions and 13 deletions
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31
src/olympic/studio/modlib/src/undostack.cpp
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@ -7,9 +7,7 @@
namespace studio {
ox::Error UndoStack::push(ox::UPtr<UndoCommand> &&cmd) noexcept {
for (auto const i = m_stackIdx; i < m_stack.size();) {
std::ignore = m_stack.erase(i);
}
m_stack.resize(m_stackIdx);
OX_RETURN_ERROR(cmd->redo());
redoTriggered.emit(cmd.get());
changeTriggered.emit(cmd.get());
@ -25,22 +23,29 @@ ox::Error UndoStack::push(ox::UPtr<UndoCommand> &&cmd) noexcept {
}
ox::Error UndoStack::redo() noexcept {
if (m_stackIdx < m_stack.size()) {
auto &c = m_stack[m_stackIdx];
OX_RETURN_ERROR(c->redo());
while (m_stackIdx < m_stack.size()) {
auto const &c = m_stack[m_stackIdx];
++m_stackIdx;
redoTriggered.emit(c.get());
changeTriggered.emit(c.get());
if (!c->isObsolete()) {
OX_RETURN_ERROR(c->redo());
redoTriggered.emit(c.get());
changeTriggered.emit(c.get());
break;
}
}
return {};
}
ox::Error UndoStack::undo() noexcept {
if (m_stackIdx) {
auto &c = m_stack[--m_stackIdx];
OX_RETURN_ERROR(c->undo());
undoTriggered.emit(c.get());
changeTriggered.emit(c.get());
while (m_stackIdx) {
--m_stackIdx;
auto const &c = m_stack[m_stackIdx];
if (!c->isObsolete()) {
OX_RETURN_ERROR(c->undo());
undoTriggered.emit(c.get());
changeTriggered.emit(c.get());
break;
}
}
return {};
}