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Fix for #9864 - "Add Instance" with Multiple Objects Selected Causes Crash

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This commit is contained in:
YuSanka 2023-02-27 11:49:25 +01:00
parent c84c699a96
commit 237be88c23
1 changed files with 24 additions and 1 deletions
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25
src/slic3r/GUI/Plater.cpp
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@ -4988,7 +4988,16 @@ bool Plater::priv::can_decrease_instances(int obj_idx /*= -1*/) const
if (obj_idx < 0)
obj_idx = get_selected_object_idx();
return (0 <= obj_idx) && (obj_idx < (int)model.objects.size()) &&
if (obj_idx < 0) {
if (const auto obj_ids = get_selection().get_object_idxs(); !obj_ids.empty())
for (const size_t obj_id : obj_ids)
if (can_decrease_instances(obj_id))
return true;
return false;
}
return obj_idx < (int)model.objects.size() &&
(model.objects[obj_idx]->instances.size() > 1) &&
!sidebar->obj_list()->has_selected_cut_object();
}
@ -6254,6 +6263,13 @@ void Plater::increase_instances(size_t num, int obj_idx/* = -1*/)
if (obj_idx < 0)
obj_idx = p->get_selected_object_idx();
if (obj_idx < 0) {
if (const auto obj_idxs = get_selection().get_object_idxs(); !obj_idxs.empty())
for (const size_t obj_id : obj_idxs)
increase_instances(1, int(obj_id));
return;
}
ModelObject* model_object = p->model.objects[obj_idx];
ModelInstance* model_instance = model_object->instances.back();
@ -6289,6 +6305,13 @@ void Plater::decrease_instances(size_t num, int obj_idx/* = -1*/)
if (obj_idx < 0)
obj_idx = p->get_selected_object_idx();
if (obj_idx < 0) {
if (const auto obj_ids = get_selection().get_object_idxs(); !obj_ids.empty())
for (const size_t obj_id : obj_ids)
decrease_instances(1, int(obj_id));
return;
}
ModelObject* model_object = p->model.objects[obj_idx];
if (model_object->instances.size() > num) {
for (size_t i = 0; i < num; ++ i)