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messageCreate and manipulate message widgets
SYNOPSIS(message widget-name ?options?)STANDARD OPTIONS:anchor :background :borderwidth :cursor :font :foreground :highlightbackground :highlightcolor :highlightthickness :padx :pady :relief :takefocus :text :textvariable :width WIDGET-SPECIFIC OPTIONS
DESCRIPTIONThe message procedure creates a new window (given by the widget-name argument) and makes it into a message widget. Additional options, described above, may be specified on the procedure line or in the option database to configure aspects of the message such as its colors, font, text, and initial relief. The message procedure returns its widget-name argument. At the time this procedure is invoked, there must not exist a window named widget-name, but widget-name's parent must exist.A message is a widget that displays a textual string. A message widget has three special features. First, it breaks up its string into lines in order to produce a given aspect ratio for the window. The line breaks are chosen at word boundaries wherever possible (if not even a single word would fit on a line, then the word will be split across lines). Newline characters in the string will force line breaks; they can be used, for example, to leave blank lines in the display. The second feature of a message widget is justification. The text may be displayed left-justified (each line starts at the left side of the window), centered on a line-by-line basis, or right-justified (each line ends at the right side of the window). The third feature of a message widget is that it handles control characters and non-printing characters specially. Tab characters are replaced with enough blank space to line up on the next 8-character boundary. Newlines cause line breaks. Other control characters (ASCII code less than 0x20) and characters not defined in the font are displayed as a four-character sequence \xhh where hh is the two-digit hexadecimal number corresponding to the character. In the unusual case where the font doesn't contain all of the characters in ``0123456789abcdef\x'' then control characters and undefined characters are not displayed at all. WIDGET PROCEDUREThe message procedure creates a new STk procedure whose name is widget-name. This procedure may be used to invoke various operations on the widget. It has the following general form:(widget-name option ?arg arg ...?)Option and the args determine the exact behavior of the procedure. The following procedures are possible for message widgets:
DEFAULT BINDINGSWhen a new message is created, it has no default event bindings: messages are intended for output purposes only.BUGSTabs don't work very well with text that is centered or right-justified. The most common result is that the line is justified wrong.KEYWORDSmessage, widget |