The bottom dock came up when the cursor reached the edge and hid again a
quarter-second later with the cursor still sitting there.
The input region has two shapes: a three-pixel strip along the whole edge while
hidden, and a region over the body once revealed. Teaching the dock about left
and right rewrote both, and the bottom case was folded into the branch that
serves a left dock -- x 0. That is right for a dock that hugs the left edge and
wrong for one that is centred on the bottom: the region landed on the left third
of the screen while the pointer that summoned the dock was in the middle. Hover
dropped on the very frame the dock arrived, and the hide timer did the rest.
Approaching from the far left worked, which is the only reason it looked
intermittent rather than broken.
Bottom is centred, so the region starts where the body starts.
Nothing measured the input region, which is why "bottom is unchanged" passed
while bottom was broken -- the contract read the window and the window was
fine. It now probes the mask in both states on all three edges and asserts the
point a hand actually aims at, the middle of the edge the dock lives on, is
still inside the region after the dock arrives. It fails on the old binding
with the coordinates that were wrong.
Claude-Session: https://claude.ai/code/session_01NvgBuSWB5sE43yWmg21ozj
Three things that were parked, and the reasons they were parked turned out to be
the useful part of doing them.
The Dock can sit on the left or the right as well as the bottom. Everything that
assumed the bottom edge is now asked which edge it is on: the anchors, the axis
that gets an implicit size, the sliver of input region that survives hiding, the
direction the body slides away in, and which side a tooltip opens towards. The
body was a Row and is a Grid, because one declaration then serves both
orientations -- Row and Column would each need their own children, and the
cross-axis anchors that centre items in a Row are the wrong axis in a Column.
Bottom is unchanged in every particular, and the settings default to it, so a
hot reload in the middle of this work left the running dock exactly where it
was.
One bug worth recording because static review would never have found it: a dock
spans the edge it lives on, which means anchoring BOTH ends of that edge. The
first side dock anchored top and left only, was free to collapse to its implicit
height, and came out one pixel tall. It parsed, it loaded, and it rendered
nothing. The contract measures the geometry rather than reading the source for
that reason, and was verified by putting the single-ended anchor back.
Per-screen is a list of names where empty means every screen, because a list is
what goes stale when a display is unplugged and "all" should not be spelled as
one. Turning off the last screen collapses to "all" rather than leaving no dock
anywhere and no obvious way back.
Pins can be dragged by a grip. The objection this file recorded for a long time
was real -- dragging inside a Flickable inside a scrolling page fails in a way
that reads as breakage -- and the answer is preventStealing on the grip, so the
page cannot claim a gesture that started there. The arrow buttons stay: they are
the keyboard-reachable path and a grip is not. The order is held locally during
the drag and written once on release, rather than rewriting settings.json for
every slot crossed.
Claude-Session: https://claude.ai/code/session_01BRvzt4H8XXLPVH5MyYdk9L
Gabriel Brown