focus different laxis with keyboard press

focus_axes.jl

using GLMakie
set_window_config!(float = true)

#
scene, layout = layoutscene(resolution = (1000, 1000))

offscreen_gl = GridLayout(bbox = BBox(-500, -400, -500, -400))


axs = layout[] = [LAxis(scene, title = string(i)) for i in CartesianIndices((2, 2))]

for ax in axs
    lines!(ax, randn(10), color = rand(RGBf0), linewidth = rand(1:10))
end


display(scene)

##

function focus(i)
    for (j, ax) in enumerate(axs)
        if j != i
            offscreen_gl[1, 1] = ax
        else
            layout[1, 1] = ax
        end
    end
    trim!(layout)
end

function focus_all()
    for (j, ax) in enumerate(axs)
        layout[fldmod1(j, 2)...] = ax
    end
end

on(scene.events.keyboardbuttons) do buttons
    if ispressed(scene, Keyboard._1)
        focus(1)
    end
    if ispressed(scene, Keyboard._2)
        focus(2)
    end
    if ispressed(scene, Keyboard._3)
        focus(3)
    end
    if ispressed(scene, Keyboard._4)
        focus(4)
    end
    if ispressed(scene, Keyboard._0)
        focus_all()
    end
end