Mainwindow: Revert 'sqlitebrowser' QProcess to Popen (run as async).

View/mainwindow.py

@@ -39,7 +39,7 @@ from View.about_window import AboutWindow
 import settings as stg
 
 import numpy as np
-from subprocess import check_call, run
+from subprocess import Popen
 
 import time
 
@@ -269,24 +269,36 @@ class Ui_MainWindow(object):
         cc_kt.exec()
 
     def db_browser_for_sqlite(self):
-        check_call("/usr/bin/sqlitebrowser")
+        Popen(f"sqlitebrowser", shell=True)
 
     def about_window(self):
         print("about")
         aw = AboutWindow()
         aw.exec()
 
+    def current_file_path(self, filename):
+        return os.path.abspath(
+            os.path.join(
+                os.path.dirname(__file__),
+                "..", filename
+            )
+        )
+
+    def open_doc_file(self, filename):
+        QtGui.QDesktopServices.openUrl(
+            QtCore.QUrl(
+                f"file://{self.current_file_path(filename)}"
+            )
+        )
+
     def user_manual(self):
-        open('AcouSed_UserManual.pdf')
+        self.open_doc_file('AcouSed_UserManual.pdf')
-        run(["open", 'AcouSed_UserManual.pdf'])
 
     def inversion_acoustic_theory(self):
-        open('Acoustic_Inversion_theory.pdf')
+        self.open_doc_file('Acoustic_Inversion_theory.pdf')
-        run(["open", 'Acoustic_Inversion_theory.pdf'])
 
     def tutorial_AQUAscat_software(self):
-        open('Tutorial_AQUAscat_software.pdf')
+        self.open_doc_file('Tutorial_AQUAscat_software.pdf')
-        run(["open", 'Tutorial_AQUAscat_software.pdf'])
 
     def export_table_of_acoustic_BS_values_to_excel_or_libreOfficeCalc_file(self):