diff options
Diffstat (limited to 'doc/message.n')
-rw-r--r-- | doc/message.n | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/doc/message.n b/doc/message.n index 92434f0..7fb4d04 100644 --- a/doc/message.n +++ b/doc/message.n @@ -10,7 +10,7 @@ .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME -message \- Create and manipulate message widgets +message \- Create and manipulate 'message' non-interactive text widgets .SH SYNOPSIS \fBmessage\fR \fIpathName \fR?\fIoptions\fR? .SO @@ -28,37 +28,37 @@ aspect ratio for the text. The aspect ratio is specified as be as wide as it is tall, 200 means the text should be twice as wide as it is tall, 50 means the text should be twice as tall as it is wide, and so on. -Used to choose line length for text if \fBwidth\fR option +Used to choose line length for text if \fB\-width\fR option is not specified. Defaults to 150. .OP \-justify justify Justify Specifies how to justify lines of text. Must be one of \fBleft\fR, \fBcenter\fR, or \fBright\fR. Defaults to \fBleft\fR. -This option works together with the \fBanchor\fR, \fBaspect\fR, -\fBpadX\fR, \fBpadY\fR, and \fBwidth\fR options to provide a variety +This option works together with the \fB\-anchor\fR, \fB\-aspect\fR, +\fB\-padx\fR, \fB\-pady\fR, and \fB\-width\fR options to provide a variety of arrangements of the text within the window. -The \fBaspect\fR and \fBwidth\fR options determine the amount of +The \fB\-aspect\fR and \fB\-width\fR options determine the amount of screen space needed to display the text. -The \fBanchor\fR, \fBpadX\fR, and \fBpadY\fR options determine where this +The \fB\-anchor\fR, \fB\-padx\fR, and \fB\-pady\fR options determine where this rectangular area is displayed within the widget's window, and the -\fBjustify\fR option determines how each line is displayed within that +\fB\-justify\fR option determines how each line is displayed within that rectangular region. -For example, suppose \fBanchor\fR is \fBe\fR and \fBjustify\fR is +For example, suppose \fB\-anchor\fR is \fBe\fR and \fB\-justify\fR is \fBleft\fR, and that the message window is much larger than needed for the text. The text will be displayed so that the left edges of all the lines -line up and the right edge of the longest line is \fBpadX\fR from +line up and the right edge of the longest line is \fB\-padx\fR from the right side of the window; the entire text block will be centered in the vertical span of the window. .OP \-width width Width Specifies the length of lines in the window. The value may have any of the forms acceptable to \fBTk_GetPixels\fR. -If this option has a value greater than zero then the \fBaspect\fR -option is ignored and the \fBwidth\fR option determines the line +If this option has a value greater than zero then the \fB\-aspect\fR +option is ignored and the \fB\-width\fR option determines the line length. If this option has a value less than or equal to zero, then -the \fBaspect\fR option determines the line length. +the \fB\-aspect\fR option determines the line length. .BE .SH DESCRIPTION .PP @@ -74,7 +74,8 @@ there must not exist a window named \fIpathName\fR, but \fIpathName\fR's parent must exist. .PP A message is a widget that displays a textual string. A message -widget has three special features. First, it breaks up +widget has three special features that differentiate it from a +\fBlabel\fR widget. 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 @@ -111,13 +112,15 @@ operations on the widget. It has the following general form: determine the exact behavior of the command. The following commands are possible for message widgets: .TP -\fIpathName \fBcget\fR \fIoption\fR +\fIpathName \fBcget \fIoption\fR +. Returns the current value of the configuration option given by \fIoption\fR. \fIOption\fR may have any of the values accepted by the \fBmessage\fR command. .TP \fIpathName \fBconfigure\fR ?\fIoption\fR? ?\fIvalue option value ...\fR? +. Query or modify the configuration options of the widget. If no \fIoption\fR is specified, returns a list describing all of the available options for \fIpathName\fR (see \fBTk_ConfigureInfo\fR for @@ -142,3 +145,6 @@ The most common result is that the line is justified wrong. label(n) .SH KEYWORDS message, widget +'\" Local Variables: +'\" mode: nroff +'\" End: |