feat(config): add niri-style keybindings and layout adjustments

dot_config/hypr/input.lua

@@ -18,9 +18,25 @@ hl.config({
   input = {
     repeat_delay = 250,
     repeat_rate = 50,
+
+    -- niri has no focus-follows-mouse: hovering gives a window pointer focus
+    -- (scroll goes there) but keyboard focus moves only on click. Also keeps
+    -- the scrolling tape from jumping when the cursor brushes a neighbour.
+    follow_mouse = 2,
+
+    -- niri: touchpad { natural-scroll; tap; }. Tap-to-click is libinput's
+    -- default already.
+    touchpad = {
+      natural_scroll = true,
+    },
   },
 })
 
+-- niri's built-in touchpad gestures: three fingers sideways scroll the tape,
+-- up/down switch workspace.
+hl.gesture({ fingers = 3, direction = "horizontal", action = "scroll_move" })
+hl.gesture({ fingers = 3, direction = "vertical", action = "workspace" })
+
 -- Keyboard layout and options.
 -- See https://wiki.hypr.land/Configuring/Basics/Variables/#input
 -- hl.config({
@@ -68,13 +84,7 @@ hl.config({
 -- o.window("(Alacritty|kitty|foot)", { scroll_touchpad = 1.5 })
 -- o.window("com.mitchellh.ghostty", { scroll_touchpad = 0.2 })
 
--- Enable touchpad gestures for changing workspaces.
--- See https://wiki.hypr.land/Configuring/Advanced-and-Cool/Gestures/
--- hl.gesture({ fingers = 3, direction = "horizontal", action = "workspace" })
-
--- Enable touchpad gestures for moving focus (helpful on scrolling layout).
--- hl.gesture({ fingers = 3, direction = "left", action = function() hl.dispatch(hl.dsp.focus({ direction = "l" })) end })
--- hl.gesture({ fingers = 3, direction = "right", action = function() hl.dispatch(hl.dsp.focus({ direction = "r" })) end })
+-- Touchpad gestures live in the override block at the top of this file.
 
 -- Tablets / pens.
 -- Hyprland maps a tablet across the *whole* monitor layout by default