106 lines
2.3 KiB
Lua
106 lines
2.3 KiB
Lua
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-- init -- {{{1
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-- luacheck: globals mouse
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local mouse = mouse
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local root = client
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local naughty = require('naughty')
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local state = {
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client = nil,
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signals = {}
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}
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local function notify(msg, keep) -- {{{1
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local timeout = 3
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if keep then timeout = 0 end
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naughty.notify({ text = msg, timeout = timeout })
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end
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local function set_bounds() -- {{{1
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local c = state.client
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state.x_min = c.x + 5
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state.x_max = c.x + c.width - 5
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state.y_min = c.y + 5
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state.y_max = c.y + c.height - 5
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end
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local function reposition() -- {{{1
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local pos = mouse.coords()
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local new_pos = {}
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if pos.x > state.x_max then
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new_pos.x = state.x_max
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elseif pos.x < state.x_min then
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new_pos.x = state.x_min
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else
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new_pos.x = pos.x
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end
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if pos.y > state.y_max then
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new_pos.y = state.y_max
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elseif pos.y < state.y_min then
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new_pos.y = state.y_min
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else
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new_pos.y = pos.y
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end
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--new_pos.x = state.x_min + (state.x_max - state.x_min) / 2
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--new_pos.y = state.y_min + (state.y_max - state.y_min) / 2
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mouse.coords(new_pos, false)
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end
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local function connect(signal, func) -- {{{1
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state.client:connect_signal(signal, func)
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state.signals[signal] = func
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end
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local function disconnect() -- {{{1
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for signal, func in pairs(state.signals) do
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state.client:disconnect_signal(signal, func)
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state.signals[signal] = nil
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end
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end
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local function release() -- {{{1
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disconnect()
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root.disconnect_signal("mouse::move", reposition)
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root.disconnect_signal("mouse::leave", reposition)
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notify("Mouse released")
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state.client = nil
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end
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local function constrain(c) -- {{{1
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state.client = c or mouse.current_client
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if state.client == nil then return end
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set_bounds()
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notify("Constrainging mouse to " .. state.client.name)
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root.connect_signal("mouse::move", reposition)
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root.connect_signal("mouse::leave", reposition)
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connect("mouse::move", reposition)
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connect("mouse::leave", reposition)
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connect("property::size", set_bounds)
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connect("property::position", set_bounds)
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connect("unmanage", release)
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end
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-- public interface -- {{{1
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return {
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constrain = constrain,
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release = release,
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toggle = function(c)
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if state.client then
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release()
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else
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constrain(c)
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end
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end
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}
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