- fixed some issues realted to the usage of the new confirmation message in FlatCAM Tools

- made sure that the FlatCAM Tools UI initialization is done only in set_tool_ui() method and not in the constructor

flatcamTools/ToolCalibration.py

@@ -263,8 +263,6 @@ class ToolCalibration(FlatCAMTool):
         self.bottom_left_coordy_found = EvalEntry()
         self.points_table.setCellWidget(row, 3, self.bottom_left_coordy_found)
 
-        self.bottom_left_coordx_found.set_value(_("Origin"))
-        self.bottom_left_coordy_found.set_value(_("Origin"))
         self.bottom_left_coordx_found.setDisabled(True)
         self.bottom_left_coordy_found.setDisabled(True)
         row += 1
@@ -770,6 +768,9 @@ class ToolCalibration(FlatCAMTool):
         if self.local_connected is True:
             self.disconnect_cal_events()
 
+        self.bottom_left_coordx_found.set_value(_("Origin"))
+        self.bottom_left_coordy_found.set_value(_("Origin"))
+
         self.reset_calibration_points()
 
         self.cal_source_radio.set_value(self.app.defaults['tools_cal_calsource'])