| 438 | } |
| 439 | |
| 440 | void Viewport::DoScroll() |
| 441 | { |
| 442 | auto &project = mProject; |
| 443 | auto &viewInfo = ViewInfo::Get( project ); |
| 444 | const double lowerBound = ScrollingLowerBoundTime(); |
| 445 | |
| 446 | auto width = viewInfo.GetTracksUsableWidth(); |
| 447 | const auto zoom = viewInfo.GetZoom(); |
| 448 | viewInfo.hpos = std::clamp(sbarH / zoom, lowerBound, std::max(lowerBound, total - width / zoom)); |
| 449 | |
| 450 | const auto pos = mpCallbacks ? mpCallbacks->GetVerticalThumbPosition() : 0; |
| 451 | viewInfo.vpos = pos * scrollStep; |
| 452 | |
| 453 | //mchinen: do not always set this project to be the active one. |
| 454 | //a project may autoscroll while playing in the background |
| 455 | //I think this is okay since OnMouseEvent has one of these. |
| 456 | //SetActiveProject(this); |
| 457 | |
| 458 | if (!mAutoScrolling) |
| 459 | Publish({ true, false, false }); |
| 460 | } |
| 461 | |
| 462 | void Viewport::ZoomFitHorizontallyAndShowTrack(Track *pTrack) |
| 463 | { |
no test coverage detected