Merge pull request #84557 from TheSofox/undo-history-sync-fix

Fix for stopping the Undo History being desynchronised from actual Undo queue
This commit is contained in:
Rémi Verschelde 2023-11-10 21:55:46 +01:00
commit 96fa86f9a0
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GPG key ID: C3336907360768E1
3 changed files with 9 additions and 31 deletions

View file

@ -463,6 +463,10 @@ bool UndoRedo::has_redo() const {
return (current_action + 1) < actions.size();
}
bool UndoRedo::is_merging() const {
return merging;
}
uint64_t UndoRedo::get_version() const {
return version;
}

View file

@ -131,6 +131,8 @@ public:
bool has_undo() const;
bool has_redo() const;
bool is_merging() const;
uint64_t get_version() const;
void set_commit_notify_callback(CommitNotifyCallback p_callback, void *p_ud);

View file

@ -239,6 +239,7 @@ void EditorUndoRedoManager::commit_action(bool p_execute) {
is_committing = true;
History &history = get_or_create_history(pending_action.history_id);
bool merging = history.undo_redo->is_merging();
history.undo_redo->commit_action(p_execute);
history.redo_stack.clear();
@ -248,39 +249,10 @@ void EditorUndoRedoManager::commit_action(bool p_execute) {
return;
}
if (!history.undo_stack.is_empty()) {
// Discard action if it should be merged (UndoRedo handles merging internally).
switch (pending_action.merge_mode) {
case UndoRedo::MERGE_DISABLE:
break; // Nothing to do here.
case UndoRedo::MERGE_ENDS: {
if (history.undo_stack.size() < 2) {
break;
}
const Action &prev_action = history.undo_stack.back()->get();
const Action &pre_prev_action = history.undo_stack.back()->prev()->get();
if (pending_action.merge_mode == prev_action.merge_mode && pending_action.merge_mode == pre_prev_action.merge_mode &&
pending_action.action_name == prev_action.action_name && pending_action.action_name == pre_prev_action.action_name) {
pending_action = Action();
is_committing = false;
emit_signal(SNAME("history_changed"));
return;
}
} break;
case UndoRedo::MERGE_ALL: {
const Action &prev_action = history.undo_stack.back()->get();
if (pending_action.merge_mode == prev_action.merge_mode && pending_action.action_name == prev_action.action_name) {
pending_action = Action();
is_committing = false;
emit_signal(SNAME("history_changed"));
return;
}
} break;
}
if (!merging) {
history.undo_stack.push_back(pending_action);
}
history.undo_stack.push_back(pending_action);
pending_action = Action();
is_committing = false;
emit_signal(SNAME("history_changed"));