-activebackground -disabledforeground -padx -activeforeground -font -pady -anchor -foreground -relief -background -highlightbackground -takefocus -bitmap -highlightcolor -text -borderwidth -highlightthickness -textvariable -cursor -image -underline -compound -justify -wraplength
Command-Line Name: -direction Database Name: direction Database Class: Height
Command-Line Name: -height Database Name: height Database Class: Height
Command-Line Name: -indicatoron Database Name: indicatorOn Database Class: IndicatorOn
Command-Line Name: -menu Database Name: menu Database Class: MenuName
Command-Line Name: -state Database Name: state Database Class: State
Command-Line Name: -width Database Name: width Database Class: Width
The menubutton command creates a new window (given by the pathName argument) and makes it into a menubutton widget. Additional options, described above, may be specified on the command line or in the option database to configure aspects of the menubutton such as its colors, font, text, and initial relief. The menubutton command returns its pathName argument. At the time this command is invoked, there must not exist a window named pathName, but pathName's parent must exist.
A menubutton is a widget that displays a textual string, bitmap, or image and is associated with a menu widget. If text is displayed, it must all be in a single font, but it can occupy multiple lines on the screen (if it contains newlines or if wrapping occurs because of the wrapLength option) and one of the characters may optionally be underlined using the underline option. In normal usage, pressing mouse button 1 over the menubutton causes the associated menu to be posted just underneath the menubutton. If the mouse is moved over the menu before releasing the mouse button, the button release causes the underlying menu entry to be invoked. When the button is released, the menu is unposted.
Menubuttons are typically organized into groups called menu bars that allow scanning: if the mouse button is pressed over one menubutton (causing it to post its menu) and the mouse is moved over another menubutton in the same menu bar without releasing the mouse button, then the menu of the first menubutton is unposted and the menu of the new menubutton is posted instead.
There are several interactions between menubuttons and menus; see the menu manual entry for information on various menu configurations, such as pulldown menus and option menus.
The menubutton command creates a new Tcl command whose name is pathName. This command may be used to invoke various operations on the widget. It has the following general form:
pathName option ?arg arg ...?Option and the args determine the exact behavior of the command. The following commands are possible for menubutton widgets:
Tk automatically creates class bindings for menubuttons that give them the following default behavior:
If the menubutton's state is disabled then none of the above actions occur: the menubutton is completely non-responsive.
The behavior of menubuttons can be changed by defining new bindings for individual widgets or by redefining the class bindings.