You can use the tool button when displaying the map.
Lower layer at the layer-tree is drawn upper at the map pane.
The legend of the layer which name is clicked will be drawn at the right pane.
Popup the FeatureInfo at the clicked point. It wouldn’t popup when the layer doesn’t have FeatureInfo or is not drawn.
EasyWMSView supports optional features (for example, GetFeatureInfo, GetLegendGraphic) which can be enabled or disabled.
If EasyWMSView does not display the FeatureInfo button and/or the legend panel, these optional features are already disabled for reasons such as:
The preset maps doesn't support GetFeatureInfo and/or GetLegendGraphic.