title: Geany keyboard shortcut for cycling through argument suggestions
body: <p>I am a bit frustrated, editing a bigger C++ project with the otherwise really cool, lightweight editor Geany.</p>
  
  <p>I wondered if there is a keyboard shortcut for cycling through the argument suggestions that geany shows when opening a bracket for calling a function (see image).</p>
  
  <p><img src="https://i.stack.imgur.com/qlT1q.png" alt="enter image description here"></p>
  
  <p>I could not find any shortcut for doing, what geany does when clicking on the button the mouse cursor hovers over in the shown image (that is cycling through the different constructors for - in this case - MenuButtonRect). Until now I am using the mouse for this, which interrupts the work flow a bit. Is there a keyboard shortcut for this?</p>