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Clipper: Fixed an issue where passing an out of bound index to IncludeItemByIndex() could incorrectly offset the final cursor.

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One case where it would manifest was calling Combo() with an out of range index. (#8450)
This commit is contained in:
ocornut
2025-03-02 14:15:11 +01:00
parent c5ade6591e
commit 4819eae867
2 changed files with 7 additions and 4 deletions
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8
imgui.cpp
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@@ -3258,11 +3258,11 @@ static bool ImGuiListClipper_StepInternal(ImGuiListClipper* clipper)
{
clipper->DisplayStart = ImMax(data->Ranges[data->StepNo].Min, already_submitted);
clipper->DisplayEnd = ImMin(data->Ranges[data->StepNo].Max, clipper->ItemsCount);
if (clipper->DisplayStart > already_submitted) //-V1051
clipper->SeekCursorForItem(clipper->DisplayStart);
data->StepNo++;
if (clipper->DisplayStart == clipper->DisplayEnd && data->StepNo < data->Ranges.Size)
if (clipper->DisplayStart >= clipper->DisplayEnd)
continue;
if (clipper->DisplayStart > already_submitted)
clipper->SeekCursorForItem(clipper->DisplayStart);
return true;
}
@@ -3279,7 +3279,7 @@ bool ImGuiListClipper::Step()
ImGuiContext& g = *Ctx;
bool need_items_height = (ItemsHeight <= 0.0f);
bool ret = ImGuiListClipper_StepInternal(this);
if (ret && (DisplayStart == DisplayEnd))
if (ret && (DisplayStart >= DisplayEnd))
ret = false;
if (g.CurrentTable && g.CurrentTable->IsUnfrozenRows == false)
IMGUI_DEBUG_LOG_CLIPPER("Clipper: Step(): inside frozen table row.\n");