original_docstring: Shows the map canvas: currently the canvas is empty,
         but a reference layer can be added to it 
docstring: Shows the map canvas: currently the canvas is empty,
  but a reference layer can be added to it
docstring_tokens: Shows the map canvas : currently the canvas is empty but a reference layer can be added to it
code: def showWindow(self):
          """Shows the map canvas: currently the canvas is empty,
         but a reference layer can be added to it """
          
          
  
          proj_layers = QgsProject.instance().mapLayers()
          self.layer = list(proj_layers.values())[0]
          #Add code here if you want to add a layer to the window
          self.canvas.setExtent(self.layer.extent())
          self.canvas.setLayers([self.layer])
          self.show()
code_tokens: def showWindow ( self ) : proj_layers = QgsProject . instance ( ) . mapLayers ( ) self . layer = list ( proj_layers . values ( ) ) [ 0 ] self . canvas . setExtent ( self . layer . extent ( ) ) self . canvas . setLayers ( [ self . layer ] ) self . show ( )
short_docstring: Shows the map canvas: currently the canvas is empty,
  but a reference layer can be added to it
short_docstring_tokens: Shows the map canvas : currently the canvas is empty but a reference layer can be added to it
comment: """Shows the map canvas: currently the canvas is empty,
         but a reference layer can be added to it """$SEP$#Add code here if you want to add a layer to the window