Add continuous touchpad workspace swiping

docs/configuration.md

@@ -255,11 +255,11 @@ The touchpad device keys are booleans, all defaulting to `true`: `tap`,
 `natural-scroll` and `disable-while-typing`. These apply to DRM devices; nested
 previews use the host's physical input settings.
 
-Three-finger swipes navigate on release: up goes to the next workspace on the
+Workspace swipes follow your fingers and settle when released. Up goes to the next workspace on the
 current monitor, down to the previous; left focuses the window to the right,
 and right focuses the window to the left. Workspace swipes skip workspaces owned
-by other monitors and stop at the first/last workspace. Cancelled, short and
-diagonal swipes do nothing. Navigation pauses while locked, during
+by other monitors and stop at the first/last workspace. Short or cancelled workspace
+swipes slide back; diagonal swipes do not navigate. Navigation pauses while locked, during
 window grabs, or when an application inhibits shortcuts.
 
 Assign swipes in **Settings → Shortcuts** using the same actions and arguments as

docs/shortcuts.md

@@ -83,10 +83,11 @@ for dependencies and custom screenshot commands.
 
 | Three-finger swipe | Action on release |
 | --- | --- |
-| Up / down | Next / previous workspace on this monitor |
+| Up / down | Drag to the next / previous workspace on this monitor; release to settle |
 | Left / right | Focus the window to the right / left |
 
-Short, diagonal, or cancelled swipes do nothing. Gestures can use the same actions
+Short or cancelled workspace swipes slide back. Diagonal swipes do not navigate.
+Gestures can use the same actions
 as keyboard bindings, including overview or moving a window. Four- and five-finger
 bindings are supported too.