Presents a window to the user. This may mean raising the window in the stacking order, deiconifying it, moving it to the current desktop, and/or giving it the keyboard focus, possibly dependent on the user's platform, window manager, and preferences.
window is hidden, this function calls
This function should be used when the user tries to open a window
that's already open. Say for example the preferences dialog is
currently open, and the user chooses Preferences from the menu
a second time; use
gtkWindowPresent to move the already-open dialog
where the user can see it.
If you are calling this function in response to a user interaction,
it is preferable to use