53 lines
1.1 KiB
Lua
53 lines
1.1 KiB
Lua
local gears = require("gears") --DOC_HIDE
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-- Create a class for this object. It will be used as a backup source for
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-- methods and acessors. It is also possible to set them diretly on the
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-- object.
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local class = {}
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function class:get_foo()
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print("In get foo", self._foo or "bar")
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return self._foo or "bar"
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end
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function class:set_foo(value)
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print("In set foo", value)
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-- In case it is necessary to bypass the object property system, use
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-- `rawset`
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rawset(self, "_foo", value)
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-- When using custom accessors, the signals need to be handled manually
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self:emit_signal("property::foo", value)
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end
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function class:method(a, b, c)
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print("In a mathod", a, b, c)
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end
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local o = gears.object {
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class = class,
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enable_properties = true,
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enable_auto_signals = true,
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}
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print(o.foo)
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o.foo = 42
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print(o.foo)
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o:method(1, 2, 3)
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-- Random properties can also be added, the signal will be emited automatically.
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o:connect_signal("property::something", function(obj, value)
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print("In the connection handler!", obj, value)
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end)
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print(o.something)
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o.something = "a cow"
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print(o.something)
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