add settings tab so additional PATH can be set directly

0.9.x/writetex.inx

@@ -18,6 +18,10 @@
 			<_param name="old" type="description">Choose this tab if you would like to obtain the original TeX string.</_param>
 			<param name="tosvg" type="boolean" _gui-text="Write output to Figure"></param>
 		</page>
+		<page name="settings" _gui-text="Settings">
+			<param name="additionalpath" type="string" _gui-text="Additional search path: "></param>
+			<param name="latexcmd" type="string" _gui-text="Latex Commnad used to Compile">xelatex</param>
+		</page>
 		<page name="help" _gui-text="Help">
 			<_param name="help" type="description">You need at least one LaTeX command and one PDFtoSVG command to execute this plugin correctly. Please visit http://writetex.tk for more information. If you have any suggestion, feel free to open an issue in the repository.</_param>
 		</page>
@@ -27,7 +31,6 @@
 		<_item value="2">PStoEDIT</_item>
 		<_item value="2">PDFtoCAIRO</_item>
 	</param>
-	<param name="latexcmd" type="string" _gui-text="Latex Commnad used to Compile">xelatex</param>
 	<effect>
 		<object-type>all</object-type>
 	</effect>

0.9.x/writetex.py

@@ -65,14 +65,23 @@ def __init__(self):
                                      action="store", type="string",
                                      dest="latexcmd", default="xelatex",
                                      help="Latex command used to compile")
+        self.OptionParser.add_option("-P", "--additionalpath",
+                                     action="store", type="string",
+                                     dest="additionalpath", default="",
+                                     help="Additional search path")
         self.OptionParser.add_option("-t", "--tosvg",
                                      action="store", type="string",
                                      dest="tosvg", default="false",
                                      help="Write output directly to a new node in svg file")
 
     def effect(self):
-        self.options.scale = float(self.options.scale)
+        WriteTex.handle_path(self.options.additionalpath)
         action = self.options.action.strip("\"")
+        if action == "settings":
+            print('Settings are auto applied, please to switch to other tab for other functions.',
+                file=sys.stderr)
+            return
+        self.options.scale = float(self.options.scale)
         if action == "viewold":
             for i in self.options.ids:
                 node = self.selected[i]
@@ -354,6 +363,14 @@ def parse_transform(transf):
         else:
             return (0, 0)
 
+    @staticmethod
+    def handle_path(newpath):
+        paths = os.environ.get('PATH', '')
+        # Do not add to path if already added
+        if newpath in paths:
+            return
+        if newpath:
+            os.environ['PATH'] += os.path.pathsep + newpath
 
 if __name__ == '__main__':
     e = WriteTex()

1.0.x/writetex.inx

@@ -18,6 +18,10 @@
 			<_param name="old" type="description">Choose this tab if you would like to obtain the original TeX string.</_param>
 			<param name="tosvg" type="bool" _gui-text="Write output to Figure"></param>
 		</page>
+		<page name="settings" _gui-text="Settings">
+			<param name="additionalpath" type="string" _gui-text="Additional search path: "></param>
+			<param name="latexcmd" type="string" _gui-text="Latex Commnad used to Compile">xelatex</param>
+		</page>
 		<page name="help" _gui-text="Help">
 			<_param name="help" type="description">You need at least one LaTeX command and one PDFtoSVG command to execute this plugin correctly. Please visit http://writetex.tk for more information. If you have any suggestion, feel free to open an issue in the repository.</_param>
 		</page>
@@ -27,7 +31,6 @@
 		<_item value="2">PStoEDIT</_item>
 		<_item value="2">PDFtoCAIRO</_item>
 	</param>
-	<param name="latexcmd" type="string" _gui-text="Latex Commnad used to Compile">xelatex</param>
 	<effect>
 		<object-type>all</object-type>
 	</effect>

1.0.x/writetex.py

@@ -66,14 +66,23 @@ def __init__(self):
                                      action="store", type=str,
                                      dest="latexcmd", default="xelatex",
                                      help="Latex command used to compile")
+        self.arg_parser.add_argument("-P", "--additionalpath",
+                                     action="store", type=str,
+                                     dest="additionalpath", default="",
+                                     help="Additional search path")
         self.arg_parser.add_argument("-t", "--tosvg",
                                      action="store", type=str,
                                      dest="tosvg", default="false",
                                      help="Write output directly to a new node in svg file")
 
     def effect(self):
-        self.options.scale = float(self.options.scale)
+        WriteTex.handle_path(self.options.additionalpath)
         action = self.options.action.strip("\"")
+        if action == "settings":
+            print('Settings are auto applied, please to switch to other tab for other functions.',
+                file=sys.stderr)
+            return
+        self.options.scale = float(self.options.scale)
         if action == "viewold":
             for i in self.options.ids:
                 node = self.svg.selected[i]
@@ -355,6 +364,14 @@ def parse_transform(transf):
         else:
             return (0, 0)
 
+    @staticmethod
+    def handle_path(newpath):
+        paths = os.environ.get('PATH', '')
+        # Do not add to path if already added
+        if newpath in paths:
+            return
+        if newpath:
+            os.environ['PATH'] += os.path.pathsep + newpath
 
 if __name__ == '__main__':
     e = WriteTex()