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-- ==================================================
-- KoolDots (2026)
-- Project URL: https://github.com/LinuxBeginnings
-- License: GNU GPLv3
-- SPDX-License-Identifier: GPL-3.0-or-later
-- ========================================
local function sync_workspaces(delta, move_window)
local active_ws = hl.get_active_workspace()
if not active_ws then
return
end
-- 1. Get all connected monitors and sort left-to-right by X position
local monitors = hl.get_monitors()
if #monitors == 0 then
return
end
table.sort(monitors, function(a, b)
return a.x < b.x
end)
local num_monitors = #monitors
-- 2. Determine current Virtual Desktop block (e.g. WS 1 or 2 with 2 monitors -> VD 1)
local current_vd = math.ceil(active_ws.id / num_monitors)
local target_vd = current_vd + delta
if target_vd < 1 then
target_vd = 1
end
local active_mon = hl.get_active_monitor()
-- 3. If moving active window, send it to the target workspace on the current monitor
if move_window and active_mon then
for i, m in ipairs(monitors) do
if m.id == active_mon.id then
local target_ws = (target_vd - 1) * num_monitors + i
hl.dispatch(hl.dsp.window.move({ workspace = target_ws }))
break
end
end
end
-- 4. Switch all monitors to their respective workspace in the target VD block
for i, m in ipairs(monitors) do
local target_ws = (target_vd - 1) * num_monitors + i
hl.dispatch(hl.dsp.focus({ monitor = m.name }))
hl.dispatch(hl.dsp.focus({ workspace = target_ws }))
end
-- 5. Preserve focused monitor focus state
if active_mon then
hl.dispatch(hl.dsp.focus({ monitor = active_mon.name }))
end
end
-- Keybindings
-- SUPER + Up / Down: Switch entire monitor pair up/down
-- SUPER + SHIFT + Up / Down: Move focused window along with the pair switch
hl.bind(mainMod .. " + up", function()
sync_workspaces(-1, false)
end)
hl.bind(mainMod .. " + down", function()
sync_workspaces(1, false)
end)
hl.bind(mainMod .. " + SHIFT + up", function()
sync_workspaces(-1, true)
end)
hl.bind(mainMod .. " + SHIFT + down", function()
sync_workspaces(1, true)
end)
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