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UndoRedo extension::

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has_undo_snapshot(timestamp) to query whether one can undo to a snapshot
with a specific timestamp. Useful for notifications, that want to Undo
a specific operation, to verify whether such operation is still valid.
This commit is contained in:
Vojtech Bubnik 2020-12-14 16:22:40 +01:00
parent 7b9f2093bb
commit d70d54d4d3
2 changed files with 9 additions and 0 deletions
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7
src/slic3r/Utils/UndoRedo.cpp
View File

@ -548,6 +548,7 @@ public:
void load_snapshot(size_t timestamp, Slic3r::Model& model, Slic3r::GUI::GLGizmosManager& gizmos);
bool has_undo_snapshot() const;
bool has_undo_snapshot(size_t time_to_load) const;
bool has_redo_snapshot() const;
bool undo(Slic3r::Model &model, const Slic3r::GUI::Selection &selection, Slic3r::GUI::GLGizmosManager &gizmos, const SnapshotData &snapshot_data, size_t jump_to_time);
bool redo(Slic3r::Model &model, Slic3r::GUI::GLGizmosManager &gizmos, size_t jump_to_time);
@ -907,6 +908,11 @@ bool StackImpl::has_undo_snapshot() const
return -- it != m_snapshots.begin();
}
bool StackImpl::has_undo_snapshot(size_t time_to_load) const
{
return time_to_load < m_active_snapshot_time && std::binary_search(m_snapshots.begin(), m_snapshots.end(), Snapshot(time_to_load));
}
bool StackImpl::has_redo_snapshot() const
{
assert(this->valid());
@ -1083,6 +1089,7 @@ void Stack::release_least_recently_used() { pimpl->release_least_recently_used()
void Stack::take_snapshot(const std::string& snapshot_name, const Slic3r::Model& model, const Slic3r::GUI::Selection& selection, const Slic3r::GUI::GLGizmosManager& gizmos, const SnapshotData &snapshot_data)
{ pimpl->take_snapshot(snapshot_name, model, selection, gizmos, snapshot_data); }
bool Stack::has_undo_snapshot() const { return pimpl->has_undo_snapshot(); }
bool Stack::has_undo_snapshot(size_t time_to_load) const { return pimpl->has_undo_snapshot(time_to_load); }
bool Stack::has_redo_snapshot() const { return pimpl->has_redo_snapshot(); }
bool Stack::undo(Slic3r::Model& model, const Slic3r::GUI::Selection& selection, Slic3r::GUI::GLGizmosManager& gizmos, const SnapshotData &snapshot_data, size_t time_to_load)
{ return pimpl->undo(model, selection, gizmos, snapshot_data, time_to_load); }

2
src/slic3r/Utils/UndoRedo.hpp
View File

@ -107,6 +107,8 @@ public:
// To be queried to enable / disable the Undo / Redo buttons at the UI.
bool has_undo_snapshot() const;
bool has_redo_snapshot() const;
// To query whether one can undo to a snapshot. Useful for notifications, that want to Undo a specific operation.
bool has_undo_snapshot(size_t time_to_load) const;
// Roll back the time. If time_to_load is SIZE_MAX, the previous snapshot is activated.
// Undoing an action may need to take a snapshot of the current application state, so that redo to the current state is possible.