- Added thumbnail to channed docker . This is what it looks now:
- Changed selection behavior. Checkboxes work they way they used to. However, double clicking on thumbnail or channel name will deselect all other channels (except alpha).
Thumbnail generation uses fast (but not very accurate) algorithm and is done in a timer thread, so it should have minimal impact on overall ui responsiveness. Profiling shows negligible time used generating thumbnails in regular use.