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Fix ObjectTable crash on cell deselect after wxWidgets 3.3.2 upgrade (#13740)

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GridCellSupportEditor::DoActivate dereferenced
grid->GetSelectedBlocks().begin() without checking against end(). In
wxWidgets 3.1.5 that range always contained at least one block; in 3.3.2
it is empty after the user deselects, and the dereference crashes inside
wxGridBlockCoords::GetLeftCol().

Fall back to the (row, col) that triggered activation when the selection
is empty, so the existing single-cell branch handles it. While here,
drop a dead local_table cast that was never read.
This commit is contained in:
SoftFever
2026-05-19 18:14:33 +08:00
committed by GitHub
parent f4a9830752
commit 46e47cec0a
1 changed files with 16 additions and 7 deletions
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23
src/slic3r/GUI/GUI_ObjectTable.cpp
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@@ -561,14 +561,23 @@ wxString GridCellSupportEditor::ms_stringValues[2] = { wxT(""), wxT("") };
void GridCellSupportEditor::DoActivate(int row, int col, wxGrid* grid)
{
ObjectGrid* local_table = dynamic_cast<ObjectGrid*>(grid);
wxGridBlocks cell_array = grid->GetSelectedBlocks();
auto left_col = cell_array.begin()->GetLeftCol();
auto right_col = cell_array.begin()->GetRightCol();
auto top_row = cell_array.begin()->GetTopRow();
auto bottom_row = cell_array.begin()->GetBottomRow();
auto iter = cell_array.begin();
int left_col, right_col, top_row, bottom_row;
if (iter == cell_array.end()) {
// wxWidgets 3.3.x returns an empty range when nothing is selected;
// fall back to the cell that triggered activation so the single-cell
// branch below handles it.
left_col = right_col = col;
top_row = bottom_row = row;
} else {
left_col = iter->GetLeftCol();
right_col = iter->GetRightCol();
top_row = iter->GetTopRow();
bottom_row = iter->GetBottomRow();
}
if ((left_col == right_col) &&
(top_row == bottom_row)) {
wxGridCellBoolEditor::DoActivate(row, col, grid);