message: ColorButton: Fixed rendering color button with a checkerboard if the transparency comes from the global style.Alpha and not from the actual source color.
diff: @@ -9435,7 +9435,7 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
  float grid_step = ImMin(size.x, size.y) / 2.99f;
  float rounding = ImMin(g.Style.FrameRounding, grid_step * 0.5f);
  ImRect bb_inner = bb;
  - float off = -0.75f; // The border (using Col_FrameBg) tends to look off when color is near-opaque and rounding is enabled. This offset seemed like a good middleground to reduce those artefacts.
  + float off = -0.75f; // The border (using Col_FrameBg) tends to look off when color is near-opaque and rounding is enabled. This offset seemed like a good middle ground to reduce those artifacts.
  bb_inner.Expand(off);
  if ((flags & ImGuiColorEditFlags_AlphaPreviewHalf) && col.w < 1.0f)
  {
  @@ -9445,7 +9445,12 @@ bool ImGui::ColorButton(const char* desc_id, const ImVec4& col, ImGuiColorEditFl
  }
  else
  {
  - RenderColorRectWithAlphaCheckerboard(bb_inner.Min, bb_inner.Max, GetColorU32((flags & ImGuiColorEditFlags_AlphaPreview) ? col : col_without_alpha), grid_step, ImVec2(off, off), rounding);
  + // Because GetColorU32() multiplies by the global style Alpha and we don't want to display a checkerboard if the source code had no alpha
  + ImVec4 col_source = (flags & ImGuiColorEditFlags_AlphaPreview) ? col : col_without_alpha;
  + if (col_source.w < 1.0f)
  + RenderColorRectWithAlphaCheckerboard(bb_inner.Min, bb_inner.Max, GetColorU32(col_source), grid_step, ImVec2(off, off), rounding);
  + else
  + window->DrawList->AddRectFilled(bb_inner.Min, bb_inner.Max, GetColorU32(col_source), rounding, ~0);
  }
  if (window->Flags & ImGuiWindowFlags_ShowBorders)
  RenderFrameBorder(bb.Min, bb.Max, rounding);
  