From e063abc712a611e238ffa806577dda8ea34f181f Mon Sep 17 00:00:00 2001
From: Dominik Demuth <dominik.demuth@physik.tu-darmstadt.de>
Date: Thu, 23 Nov 2023 19:43:50 +0100
Subject: [PATCH] fix grace export bugs; closes #155

---
 src/gui_qt/graphs/graphwindow.py |  1 +
 src/gui_qt/io/exporters.py       | 39 ++++++++++++++++++++++----------
 src/nmreval/utils/text.py        |  4 ++--
 3 files changed, 30 insertions(+), 14 deletions(-)

diff --git a/src/gui_qt/graphs/graphwindow.py b/src/gui_qt/graphs/graphwindow.py
index f25485d..7f8356a 100644
--- a/src/gui_qt/graphs/graphwindow.py
+++ b/src/gui_qt/graphs/graphwindow.py
@@ -690,6 +690,7 @@ class QGraphWindow(QtWidgets.QGraphicsView, Ui_GraphWindow):
             'plots': (self.real_button.isChecked(), self.imag_button.isChecked(), self.error_button.isChecked()),
             'children': self.sets,
             'active': self._active,
+            'invert': (self.plotItem.vb.state['xInverted'], self.plotItem.vb.state['yInverted']),
         }
 
         in_legend = []
diff --git a/src/gui_qt/io/exporters.py b/src/gui_qt/io/exporters.py
index 75b4a55..a394322 100644
--- a/src/gui_qt/io/exporters.py
+++ b/src/gui_qt/io/exporters.py
@@ -28,14 +28,19 @@ class GraceExporter:
             new_g.set_log(x=self.__opts['log'][0], y=self.__opts['log'][1])
 
             new_g.set_onoff('legend', self.__opts['legend'])
-            new_g.set_property(**{'title': f'"{convert(self.__opts["labels"][2], old="html", new="agr")}"',
-                                  'legend loctype': 'view',
-                                  'legend': ', '.join(str(i) for i in new_g.world_to_view(self.__opts['legend_pos']))})
+            new_g.set_property(**{
+                'title': f'"{convert(self.__opts["labels"][2], old="html", new="agr")}"',
+                'legend loctype': 'view',
+                'legend': ', '.join(str(i) for i in new_g.world_to_view(self.__opts['legend_pos']))
+            })
 
             for i, ax in enumerate('xy'):
-                new_g.set_axis_property(ax, **{'label': f'"{convert(self.__opts["labels"][i], old="html", new="agr")}"',
-                                               'tick major': self.__opts['ticks'][i][0],
-                                               'tick minor ticks': self.__opts['ticks'][i][1],})
+                new_g.set_axis_property(ax, **{
+                    'label': f'"{convert(self.__opts["labels"][i], old="html", new="agr")}"',
+                    'tick major': self.__opts['ticks'][i][0],
+                    'tick minor ticks': self.__opts['ticks'][i][1],
+                    'invert': 'on' if self.__opts['invert'][i] else 'off',
+                })
                 new_g.set_axis_onoff(ax, 'tick major grid', self.__opts['grid'])
             g_idx = new_g.idx
         else:
@@ -59,8 +64,13 @@ class GraceExporter:
                 colors[c_num] = (f'color{c_num}', sc)
                 new_colors.append((c_num, f'color{c_num}', sc))
 
-            new_s.set_symbol(**{'symbol': item['symbol'].value, 'size': item['symbolsize'] / 10., 'color': c_num,
-                                'fill color': c_num, 'fill pattern': 1})
+            new_s.set_symbol(**{
+                'symbol': item['symbol'].value,
+                'size': item['symbolsize'] / 10.,
+                'color': c_num,
+                'fill color': c_num,
+                'fill pattern': 1
+            })
             new_s.set_onoff('errorbar', self.__opts['plots'][2])
 
             lc = item['linecolor']
@@ -74,12 +84,17 @@ class GraceExporter:
                 colors[c_num + 1] = ()
                 new_colors.append((c_num, f'color{c_num + 1}', sc))
 
-            new_s.set_line(**{'color': c_num, 'linewidth': item['linewidth'],
-                              'linestyle': item['linestyle'].to_agr()})
+            new_s.set_line(**{
+                'color': c_num,
+                'linewidth': item['linewidth'],
+                'linestyle': item['linestyle'].to_agr()
+            })
 
             if plot_label:
-                new_s.set_property(comment=f'"{item["name"]}"',
-                                   legend=f'"{convert(item["name"], old="tex", new="agr")}"')
+                new_s.set_property(
+                    comment=f'"{item["name"]}"',
+                    legend=f'"{convert(item["name"], old="tex", new="agr")}"'
+                )
             else:
                 new_s.set_property(comment=f'"{item["name"]}"')
 
diff --git a/src/nmreval/utils/text.py b/src/nmreval/utils/text.py
index 7a8e8ba..7f37403 100644
--- a/src/nmreval/utils/text.py
+++ b/src/nmreval/utils/text.py
@@ -33,9 +33,9 @@ big_greek = [
 special_chars = [
     r'\infty \int \sum \langle \rangle \pm \perp \para \leftarrow \rightarrow \leftrightarrow \cdot \hbar \n',
     '\u221e \u222b \u2211 \u27e8 \u27e9 \u00b1 \u27c2 \u2225 \u21d0 \u21d2 \u21d4 \u00b7 \u0127 <br>',
-    r'\f{Symbol}¥\f{} \f{Symbol}ò\f{} \f{Symbol}å\f{} \f{Symbol}á\f{} \f{Symbol}ñ\f{} \f{Symbol}±\f{} \n'
+    r'\f{Symbol}¥\f{} \f{Symbol}ò\f{} \f{Symbol}å\f{} \f{Symbol}á\f{} \f{Symbol}ñ\f{} \f{Symbol}±\f{} '
     r'\f{Symbol}^\f{} \f{Symbol}||\f{} \f{Symbol}¬\f{} \f{Symbol}®\f{} \f{Symbol}«\f{} \f{Symbol}×\f{Symbol} '
-    r'h\h{-0.6}\v{0.3}-\v{-0.3}\h{0.3}',
+    r'h\h{-0.6}\v{0.3}-\v{-0.3}\h{0.3} \n',
     r'infty int sum < > \+- perp para <- -> <-> \* hbar \s',
 ]
 funcs = [