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Diffstat (limited to 'doc/GetJustify.3')
| -rw-r--r-- | doc/GetJustify.3 | 54 |
1 files changed, 39 insertions, 15 deletions
diff --git a/doc/GetJustify.3 b/doc/GetJustify.3 index 35ec0ae..1d5622d 100644 --- a/doc/GetJustify.3 +++ b/doc/GetJustify.3 @@ -1,22 +1,26 @@ '\" '\" Copyright (c) 1990-1994 The Regents of the University of California. -'\" Copyright (c) 1994-1996 Sun Microsystems, Inc. +'\" Copyright (c) 1994-1998 Sun Microsystems, Inc. '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" SCCS: @(#) GetJustify.3 1.11 96/08/27 13:21:27 +'\" SCCS: @(#) GetJustify.3 1.12 98/01/14 13:59:00 '\" .so man.macros -.TH Tk_GetJustify 3 4.0 Tk "Tk Library Procedures" +.TH Tk_GetJustifyFromObj 3 8.1 Tk "Tk Library Procedures" .BS .SH NAME -Tk_GetJustify, Tk_NameOfJustify \- translate between strings and justification styles +Tk_GetJustifyFromObj, Tk_GetJustify, Tk_NameOfJustify \- translate between strings and justification styles .SH SYNOPSIS .nf \fB#include <tk.h>\fR .sp -Tk_Justify +.VS 8.1 +int +\fBTk_GetJustifyFromObj(\fIinterp, objPtr, justifyPtr\fB)\fR +.sp +int \fBTk_GetJustify(\fIinterp, string, justifyPtr\fB)\fR .sp char * @@ -24,21 +28,30 @@ char * .SH ARGUMENTS .AS "Tk_Justify" *justifyPtr .AP Tcl_Interp *interp in -Interpreter to use for error reporting. +Interpreter to use for error reporting, or NULL. +.VS 8.1 br +.AP Tcl_Obj *objPtr in/out +String value contains name of justification style (\fBleft\fR, \fBright\fR, or +\fBcenter\fR). The +internal rep will be modified to cache corresponding justify value. .AP char *string in -String containing name of justification style (``left'', ``right'', or -``center''). +Same as \fIobjPtr\fR except description of justification style is passed as +a string. +.VE .AP int *justifyPtr out Pointer to location in which to store justify value corresponding to -\fIstring\fR. +\fIobjPtr\fR or \fIstring\fR. .AP Tk_Justify justify in Justification style (one of the values listed below). .BE .SH DESCRIPTION .PP -\fBTk_GetJustify\fR places in \fI*justifyPtr\fR the justify value -corresponding to \fIstring\fR. This value will be one of the following: +.VS 8.1 +\fBTk_GetJustifyFromObj\fR places in \fI*justifyPtr\fR the justify value +corresponding to \fIobjPtr\fR's value. +.VE +This value will be one of the following: .TP \fBTK_JUSTIFY_LEFT\fR Means that the text on each line should start at the left edge of @@ -52,12 +65,23 @@ the line; as a result, the left edges of lines may be ragged. Means that the text on each line should be centered; as a result, both the left and right edges of lines may be ragged. .PP +.VS 8.1 Under normal circumstances the return value is \fBTCL_OK\fR and \fIinterp\fR is unused. -If \fIstring\fR doesn't contain a valid justification style -or an abbreviation of one of these names, then an error message is -stored in \fIinterp->result\fR, \fBTCL_ERROR\fR is returned, and -\fI*justifyPtr\fR is unmodified. +If \fIobjPtr\fR doesn't contain a valid justification style +or an abbreviation of one of these names, \fBTCL_ERROR\fR is returned, +\fI*justifyPtr\fR is unmodified, and an error message is +stored in \fIinterp\fR's result if \fIinterp\fR isn't NULL. +\fBTk_GetJustifyFromObj\fR caches information about the return +value in \fIobjPtr\fR, which speeds up future calls to +\fBTk_GetJustifyFromObj\fR with the same \fIobjPtr\fR. +.PP +\fBTk_GetJustify\fR is identical to \fBTk_GetJustifyFromObj\fR except +that the description of the justification is specified with a string instead +of an object. This prevents \fBTk_GetJustify\fR from caching the +return value, so \fBTk_GetJustify\fR is less efficient than +\fBTk_GetJustifyFromObj\fR. +.VE .PP \fBTk_NameOfJustify\fR is the logical inverse of \fBTk_GetJustify\fR. Given a justify value it returns a statically-allocated string |