rm Makie.jl from depend and polish Makie docs

Project.toml

@@ -6,7 +6,6 @@ version = "1.0.0"
 [compat]
 julia = "1.6.7"
 LinearAlgebra = "1.9"
-Makie = "0.21.9"
 QuantumInterface = "0.3.4"
 StaticArrays = "1.9.7"
 

docs/src/tutorials.md

@@ -2,7 +2,10 @@
 
 ## Visualizations
 
-Quasiprobability distributions of Gaussian states can be visualized with [Makie.jl](https://github.com/MakieOrg/Makie.jl):
+Quasiprobability distributions of Gaussian states can be visualized with [Makie.jl](https://github.com/MakieOrg/Makie.jl). Gabs.jl
+currently has support for the following distributions, which can be called with the keyword argument `dist`:
+- [`wigner`](@ref)
+- [`wignerchar`](@ref)
 
 ```@example
 using Gabs, CairoMakie

ext/MakieExt/MakieExt.jl

@@ -7,7 +7,7 @@ Makie.used_attributes(::Type{<:Makie.Heatmap}, ::Any, ::Any, x::GaussianState) =
 
 # Directly use heatmap to create wigner distribution
 function Makie.convert_arguments(P::Type{<:Makie.Heatmap}, q, p, state::GaussianState; dist = :wigner)
-    isequal(length(state.mean),2) || throw(ArgumentError(Gabs.MAKIE_ERROR))
+    isequal(length(state.mean),2) || throw(ArgumentError(Gabs.HEATMAP_ERROR))
     if isequal(dist, :wigner)
         data = [wigner(state, [i,j]) for i in q, j in p]
     elseif isequal(dist, :wignerchar)

src/errors.jl

@@ -21,5 +21,5 @@ ACTION_ERROR = lazy"The number of modes for the Gaussian operator
 WIGNER_ERROR = lazy"The length of your input array does not match the
     number of modes for the Gaussian state."
 
-MAKIE_ERROR = lazy"The input Gaussian state describes more than one mode. 
+HEATMAP_ERROR = lazy"The input Gaussian state describes more than one mode. 
     A heat map visualization for a multi-mode Gaussian state is not possible."