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Интерактивная система просмотра системных руководств (man-ов)

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MenuPopdown (3)
  • >> MenuPopdown (3) ( Solaris man: Библиотечные вызовы )
  • 
    NAME
         XtPopdown, XtCallbackPopdown - unmap a pop-up
    
    SYNTAX
         void XtPopdown(popup_shell)
               Widget popup_shell;
    
         void XtCallbackPopdown(w, client_data, call_data)
               Widget w;
               XtPointer client_data;
               XtPointer call_data;
    
         void MenuPopdown(shell_name)
               String shell_name;
    
    ARGUMENTS
         call_data Specifies the callback data, which is not used by
                   this procedure.
    
         client_data
                   Specifies a pointer to the XtPopdownID structure.
    
         popup_shell
                   Specifies the widget shell to pop down.
    
         shell_name
                   Specifies the name of the widget shell to pop
                   down.
    
         w         Specifies the widget.
    
    DESCRIPTION
         The XtPopdown function performs the following:
    
         o    Calls XtCheckSubclass to ensure popup_shell is a sub-
              class of Shell.
    
         o    Checks that popup_shell is currently popped_up; other-
              wise, it generates an error.
    
         o    Unmaps popup_shell's window.
    
         o    If popup_shell's grab_kind is either XtGrabNonexclusive
              or XtGrabExclusive, it calls XtRemoveGrab.
    
         o    Sets pop-up shell's popped_up field to False.
    
         o    Calls the callback procedures on the shell's
              popdown_callback list.
    
         The XtCallbackPopdown function casts the client data parame-
         ter to an XtPopdownID pointer:
         typedef struct {
              Widget shell_widget;
              Widget enable_widget;
         } XtPopdownIDRec, *XtPopdownID;
    The shell_widget is the pop-up shell to pop down, and the
    enable_widget is the widget that was used to pop it up.
    
         XtCallbackPopdown calls XtPopdown with the specified
         shell_widget and then calls XtSetSensitive to resensitize
         the enable_widget.
    
         If a shell name is not given, MenuPopdown calls XtPopdown
         with the widget for which the translation is specified.  If
         a shell_name is specified in the translation table, MenuPop-
         down tries to find the shell by looking up the widget tree
         starting at the parent of the widget in which it is invoked.
         If it finds a shell with the specified name in the pop-up
         children of that parent, it pops down the shell; otherwise,
         it moves up the parent chain as needed.  If MenuPopdown gets
         to the application top-level shell widget and cannot find a
         matching shell, it generates an error.
    
    SEE ALSO
         XtCreatePopupShell(3Xt), XtPopup(3Xt)
         X Toolkit Intrinsics - C Language Interface
         Xlib - C Language X Interface
    
    
    
    


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