Tables: Fix invalid data in TableGetSortSpecs() when SpecsDirty flag is unset. (#4233)

Amend 4ce6bd8cf, but with usage of ImPool<> bug existed even before 4ce6bd8c. Would only materialize if user called (ableGetSortSpecs and used data without checking SpecsDirty.
This commit is contained in:
ocornut
2021-06-17 15:18:11 +02:00
parent d5828cd988
commit 7c44d067e8
3 changed files with 17 additions and 15 deletions

View File

@ -2613,8 +2613,7 @@ ImGuiTableSortSpecs* ImGui::TableGetSortSpecs()
if (!table->IsLayoutLocked)
TableUpdateLayout(table);
if (table->IsSortSpecsDirty)
TableSortSpecsBuild(table);
TableSortSpecsBuild(table);
return &table->SortSpecs;
}
@ -2753,14 +2752,18 @@ void ImGui::TableSortSpecsSanitize(ImGuiTable* table)
void ImGui::TableSortSpecsBuild(ImGuiTable* table)
{
IM_ASSERT(table->IsSortSpecsDirty);
TableSortSpecsSanitize(table);
bool dirty = table->IsSortSpecsDirty;
if (dirty)
{
TableSortSpecsSanitize(table);
table->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount);
table->SortSpecs.SpecsDirty = true; // Mark as dirty for user
table->IsSortSpecsDirty = false; // Mark as not dirty for us
}
// Write output
ImGuiTableTempData* temp_data = table->TempData;
temp_data->SortSpecsMulti.resize(table->SortSpecsCount <= 1 ? 0 : table->SortSpecsCount);
ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &temp_data->SortSpecsSingle : temp_data->SortSpecsMulti.Data;
if (sort_specs != NULL)
ImGuiTableColumnSortSpecs* sort_specs = (table->SortSpecsCount == 0) ? NULL : (table->SortSpecsCount == 1) ? &table->SortSpecsSingle : table->SortSpecsMulti.Data;
if (dirty && sort_specs != NULL)
for (int column_n = 0; column_n < table->ColumnsCount; column_n++)
{
ImGuiTableColumn* column = &table->Columns[column_n];
@ -2773,10 +2776,9 @@ void ImGui::TableSortSpecsBuild(ImGuiTable* table)
sort_spec->SortOrder = (ImGuiTableColumnIdx)column->SortOrder;
sort_spec->SortDirection = column->SortDirection;
}
table->SortSpecs.Specs = sort_specs;
table->SortSpecs.SpecsCount = table->SortSpecsCount;
table->SortSpecs.SpecsDirty = true; // Mark as dirty for user
table->IsSortSpecsDirty = false; // Mark as not dirty for us
}
//-------------------------------------------------------------------------
@ -3465,7 +3467,8 @@ void ImGui::TableGcCompactTransientBuffers(ImGuiTable* table)
ImGuiContext& g = *GImGui;
IM_ASSERT(table->MemoryCompacted == false);
table->SortSpecs.Specs = NULL;
table->IsSortSpecsDirty = true;
table->SortSpecsMulti.clear();
table->IsSortSpecsDirty = true; // FIXME: shouldn't have to leak into user performing a sort
table->ColumnsNames.clear();
table->MemoryCompacted = true;
for (int n = 0; n < table->ColumnsCount; n++)
@ -3476,7 +3479,6 @@ void ImGui::TableGcCompactTransientBuffers(ImGuiTable* table)
void ImGui::TableGcCompactTransientBuffers(ImGuiTableTempData* temp_data)
{
temp_data->DrawSplitter.ClearFreeMemory();
temp_data->SortSpecsMulti.clear();
temp_data->LastTimeActive = -1.0f;
}