return -1 if user select Abort in multi button dialog

sohstationviewer/model/mseed_data/mseed.py

@@ -129,6 +129,10 @@ class MSeed(GeneralData):
                    "Please select one to display")
             self.pause_signal.emit(msg, sta_ids)
             self.pause()
+            if self.pause_response == -1:
+                self.track_info('Process is cancelled by user.',
+                                LogType.WARNING)
+                return
             selected_sta_id = sta_ids[self.pause_response]
 
         self.track_info(f'Select Station {selected_sta_id}', LogType.INFO)

sohstationviewer/model/reftek_data/reftek.py

@@ -155,6 +155,10 @@ class RT130(GeneralData):
                    "Please select one to display")
             self.pause_signal.emit(msg, keys)
             self.pause()
+            if self.pause_response == -1:
+                self.track_info('Process is cancelled by user.',
+                                LogType.WARNING)
+                return
             selected_key = keys[self.pause_response]
 
         self.track_info(f'Select Key {selected_key}', LogType.INFO)

sohstationviewer/view/create_muti_buttons_dialog.py

@@ -34,13 +34,7 @@ def create_multi_buttons_dialog(
 
     msg_box.exec_()
     if msg_box.clickedButton() == abort_button:
-        if abort_is_0:
-            # The default choice is the first item, so we default to it if the
-            # user presses the abort button. An alternative choice is to stop
-            # when the user presses the abort button.
-            chosen_idx = 0
-        else:
-            chosen_idx = -1
+        chosen_idx = -1
     else:
         chosen_idx = buttons.index(msg_box.clickedButton())
     return chosen_idx