only enabled for branches and markers, since in tasview we use rightclick to start advance/rewind.
involved some hackery, like killing context menu while OnMouseDown of the given listview, then going back to InputRoll's OnMouseDown and actually selecting a new cell. can we figure out a hovered cell while context menu is still active? also, it'd make sense to do this for leftclick as well, but without context menu hiding, there doesn't seem to be a way to force updating of listviews from InputRoll.
it was forgetting to discard alpha, and when creating a bitmap it dropped anything but lua hud, since it does have alpha bits that nothing else has, and with no lua hud involved, it showed all normally, since it didn't have to drop colors with zero alpha. lol.
both have buttons and context menu items.
if mass adding regular markers, give a warning for 50+.
marker with text can only be added one at a time.
fix#504
marker add called from MarkerControl doesn't check TasView selection anymore: current frame has higher priority, and if we don't want a marker on it, we use TasView's doubleclic or menu to mark selection.
sight MarkerControl cleanup.
Moved GreenzoneCurrentFrame call to a new method called after frame advance.
Feature: Scroll to marker
Page up/down now scrolls by one page
Scrolling via dragging bar and via wheel now both have the same max value.
-Moved Toggle/SetStates from TasMovie.cs to TasMovie.Editing.cs
-bugfix: Yet another bug in setting LastVisibleFrame
-Removed unused declaration
-Fixed MarkerControl to not mess up display when a deleted marker is still selected.
-feature: Basic undo/redo history functions seem to work. (Ctrl+Z/Y in TasView)
-Bugfix: Dragging to change a float was backwards.
-Fix: Setting LastVisibleRow with lag frames hidden now goes to the correct frame.
-TasView now sets FirstVisibleRow when jumping backwards
-Bugfix: Deleting a marker didn't remove selection; refresh messed up.
-Moved InputRoll.cs, SelectAll/DeselectAll to the Api region.
-Bugfix: Couldn't edit next-frame float values.
-Fixed InputRoll.VisibleRows property.
-Removed useless check for NeedsScrollbar.
-Removed TAStudio.ListView.cs property for hiding lag frames; changed InputRoll.cs to do that work more efficiently.
-Feature: User can now edit float values by holding the mouse button and dragging up/down.
-Bugfix: Moving the cursor past first displayed row while painting would not cause first displayed row to be painted. (and similarly with last)
-Double-click markers to jump to that frame.
-Drag painting input was one frame behind cursor.
-Some commented-out code for stuff I was messing with may also be present. (All edits were marked with SuuperW comment line.)