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EditorPropertyArray Fix crash when drag-reordering elements in the inspector

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(cherry picked from commit 33b29704926f623f97402e0cfbf2591a163b8ab6)
This commit is contained in:
kleonc 2022-05-22 16:17:59 +02:00 committed by Relintai
parent 8f1ac63f60
commit 3f7569cb91
1 changed files with 7 additions and 2 deletions
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9
editor/editor_properties_array_dict.cpp
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@ -647,11 +647,16 @@ void EditorPropertyArray::_reorder_button_gui_input(const Ref<InputEvent> &p_eve
Variant array = object->get_array(); Variant array = object->get_array();
int size = array.call("size"); int size = array.call("size");
if ((reorder_to_index == 0 && mm->get_relative().y < 0.0f) || (reorder_to_index == size - 1 && mm->get_relative().y > 0.0f)) { // Cumulate the mouse delta, many small changes (dragging slowly) should result in reordering at some point.
reorder_mouse_y_delta += mm->get_relative().y;
// Reordering is done by moving the dragged element by +1/-1 index at a time based on the cumulated mouse delta so if
// already at the array bounds make sure to ignore the remaining out of bounds drag (by resetting the cumulated delta).
if ((reorder_to_index == 0 && reorder_mouse_y_delta < 0.0f) || (reorder_to_index == size - 1 && reorder_mouse_y_delta > 0.0f)) {
reorder_mouse_y_delta = 0.0f;
return; return;
} }
reorder_mouse_y_delta += mm->get_relative().y;
float required_y_distance = 20.0f * EDSCALE; float required_y_distance = 20.0f * EDSCALE;
if (ABS(reorder_mouse_y_delta) > required_y_distance) { if (ABS(reorder_mouse_y_delta) > required_y_distance) {
int direction = reorder_mouse_y_delta > 0.0f ? 1 : -1; int direction = reorder_mouse_y_delta > 0.0f ? 1 : -1;