From fc54177029db9258b55ca102fd109b9b182e78d4 Mon Sep 17 00:00:00 2001
From: isentropic <isentropic@users.noreply.github.com>
Date: Tue, 29 Sep 2020 14:26:58 +0900
Subject: [PATCH] text.usetex option hack pyplot (#2893)

* text.usetex option hack

* pyplot ticklabel fixes
---
 src/backends/pyplot.jl | 27 ++++++++++++++++++++++-----
 1 file changed, 22 insertions(+), 5 deletions(-)

diff --git a/src/backends/pyplot.jl b/src/backends/pyplot.jl
index 10e1bd51..651778eb 100644
--- a/src/backends/pyplot.jl
+++ b/src/backends/pyplot.jl
@@ -727,7 +727,15 @@ function py_set_lims(ax, sp::Subplot, axis::Axis)
     getproperty(ax, Symbol("set_", letter, "lim"))(lfrom, lto)
 end
 
-py_surround_latextext(latexstring, env) = PyPlot.LaTeXStrings.latexstring(env, "{",latexstring[2:end-1],"}")
+function py_surround_latextext(latexstring, env)
+    if latexstring[1] == '$' && latexstring[end] == '$'
+        unenclosed = latexstring[2:end-1]
+    else
+        unenclosed = latexstring
+    end
+    PyPlot.LaTeXStrings.latexstring(env, "{", unenclosed, "}")
+end
+
 
 function py_set_ticks(ax, ticks, letter, env)
     ticks == :auto && return
@@ -746,7 +754,13 @@ function py_set_ticks(ax, ticks, letter, env)
         axis."set_ticks"(ticks)
     elseif ttype == :ticks_and_labels
         axis."set_ticks"(ticks[1])
-        tick_labels = [py_surround_latextext(ticklabel, env) for ticklabel in ticks[2]]
+
+        if pyrcparams["text.usetex"]
+            tick_labels = ticks[2]
+        else
+            tick_labels = [py_surround_latextext(ticklabel, env) for ticklabel in ticks[2]]
+        end
+
         axis."set_ticklabels"(tick_labels)
     else
         error("Invalid input for $(letter)ticks: $ticks")
@@ -1009,7 +1023,7 @@ function _before_layout_calcs(plt::Plot{PyPlotBackend})
             # Set ticks
             fontProperties = PyPlot.PyCall.PyDict(Dict("family" => axis[:tickfontfamily],
                                                        "size" => py_thickness_scale(plt, axis[:tickfontsize]),
-                                                       "useTex" => false,
+                                                       # "useTex" => false,
                                                        "rotation" => axis[:tickfontrotation]))
             getproperty(ax, Symbol("set_",letter,"ticklabels"))(getproperty(ax, Symbol("get_",letter,"ticks"))(), fontProperties)
 
@@ -1019,8 +1033,11 @@ function _before_layout_calcs(plt::Plot{PyPlotBackend})
 
             # Tick marks
             intensity = 0.5  # This value corresponds to scaling of other grid elements
-            pyaxis."set_tick_params"(direction = axis[:tick_direction] == :out ? "out" : "in", width=py_thickness_scale(plt, intensity),
-                                     length= 5 * py_thickness_scale(plt, intensity))
+            pyaxis."set_tick_params"(
+                direction = axis[:tick_direction] == :out ? "out" : "in",
+                width=py_thickness_scale(plt, intensity),
+                length= 5 * py_thickness_scale(plt, intensity)
+                                     )
 
             getproperty(ax, Symbol("set_", letter, "label"))(axis[:guide])
             if get(axis.plotattributes, :flip, false)