513 lines
20 KiB
Groff
513 lines
20 KiB
Groff
.de It
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.br
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.ie \\n(.$>=3 .ne \\$3
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.el .ne 3
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.IP "\\$1" \\$2
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..
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.TH cdk_fselect 3 "24 April 1997"
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.SH NAME
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newCDKFselect, activateCDKFselect, injectCDKFselect,
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setCDKFselect,
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setCDKFselectDirectory, getCDKFselectDirectory,
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setCDKFselectFillerChar, getCDKFselectFillerChar,
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setCDKFselectHighlight, getCDKFselectHighlight,
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setCDKFselectFileArttibute, getCDKFselectFileArttibute,
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setCDKFselectDirArttibute, getCDKFselectDirArttibute,
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setCDKFselectLinkArttibute, getCDKFselectLinkArttibute,
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setCDKFselectSocketArttibute, getCDKFselectSocketArttibute,
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setCDKFselectBox, getCDKFselectBox,
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setCDKFselectULChar, setCDKFselectURChar,
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setCDKFselectLLChar, setCDKFselectLRChar,
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setCDKFselectVerticalChar, setCDKFselectHorizontalChar,
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setCDKFselectBoxAttribute,
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setCDKFselectBackgroundColor,
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drawCDKFselect, eraseCDKFselect, destroyCDKFselect \-
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Creates a managed curses file selector widget.
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.SH SYNOPSIS
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.LP
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.B cc
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.RI "[ " "flag" " \|.\|.\|. ] " "file" " \|.\|.\|."
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.B \-lcdk
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.RI "[ " "library" " \|.\|.\|. ]"
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.LP
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#include <cdk.h>
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.LP
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.BI "CDKFSELECT *newCDKFselect (CDKSCREEN *" "cdkscreen",
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.BI "int " "xpos",
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.BI "int " "ypos",
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.BI "int " "height",
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.BI "int " "width",
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.BI "char *" "title",
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.BI "char *" "label",
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.BI "chtype " "fieldAttribute",
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.BI "chtype " "fillerCharacter",
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.BI "chtype " "highlight",
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.BI "char *" "dirAttribute",
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.BI "char *" "fileAttribute",
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.BI "char *" "linkAttribute",
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.BI "char *" "sockAttribute",
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.BI "boolean " "box",
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.BI "boolean " "shadow");
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.LP
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.BI "char *activateCDKFselect (CDKFSELECT *" "fselect",
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.BI "chtype *" "actions");
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.LP
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.BI "char *injectCDKFselect (CDKFSELECT *" "fselect",
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.BI "chtype " "input");
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.LP
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.BI "void setCDKFselect (CDKFSELECT *" "fselect",
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.BI "chtype " "fieldAttribute",
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.BI "chtype " "fillerCharacter",
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.BI "chtype " "highlight",
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.BI "char *" "dirAttribute",
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.BI "char *" "fileAttribute",
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.BI "char *" "linkAttribute",
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.BI "char *" "sockAttribute",
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.BI "boolean " "box");
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.LP
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.BI "void setCDKFselectDirectory (CDKFSELECT *" "fselect",
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.BI "char *" "directory");
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.LP
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.BI "char **getCDKFselectDirectory (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectFillerChar (CDKFSELECT *" "fselect",
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.BI "chtype " "filler");
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.LP
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.BI "chtype getCDKFselectFillerChar (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectHighlight (CDKFSELECT *" "fselect",
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.BI "chtype " "highlight");
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.LP
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.BI "chtype getCDKFselectHighlight (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectFileAttribute (CDKFSELECT *" "fselect",
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.BI "char *" "attribute");
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.LP
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.BI "char *getCDKFselectFileAttribute (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectDirAttribute (CDKFSELECT *" "fselect",
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.BI "char *" "attribute");
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.LP
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.BI "char *getCDKFselectDirAttribute (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectLinkAttribute (CDKFSELECT *" "fselect",
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.BI "char *" "attribute");
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.LP
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.BI "char *getCDKFselectLinkAttribute (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectSocketAttribute (CDKFSELECT *" "fselect",
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.BI "char *" "attribute");
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.LP
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.BI "char *getCDKFselectSocketAttribute (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectBox (CDKFSELECT *" "fselect",
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.BI "boolean " "box");
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.LP
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.BI "boolean getCDKFselectBox (CDKFSELECT *" "fselect");
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.LP
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.BI "void setCDKFselectULChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectURChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectLLChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectLRChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectVerticalChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectHorizontalChar (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectBoxAttribute (CDKFSELECT *", "fselect",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKFselectBackgroundColor (CDKFSELECT *", "fselect",
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.BI "char * " "color");
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.LP
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.BI "void moveCDKFselect (CDKFSELECT *" "fselect",
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.BI "int " "box",
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.BI "int " "box",
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.BI "boolean " "relative",
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.BI "boolean " "refresh");
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.LP
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.BI "void positionCDKFselect (CDKFSELECT *" "fselect");
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.LP
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.BI "void drawCDKFselect (CDKFSELECT *" "fselect",
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.BI "boolean " "box");
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.LP
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.BI "void eraseCDKFselect (CDKFSELECT *" "fselect");
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.LP
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.BI "void destroyCDKFselect (CDKFSELECT *" "fselect");
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.LP
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.BI "void bindCDKObject (EObjectType " "widgetType",
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.BI "void *" "object",
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.BI "chtype " "key",
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.BI "BINDFN " "function",
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.BI "void *" "data");
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.SH DESCRIPTION
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The Cdk file selector widget creates a widget which allows a user to interact
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with the Unix file system. This widget allows the user to traverse the file
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system and even delete files. (See \f4NOTES\f1 below for more information)
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.SH AVAILABLE FUNCTIONS
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CDKFSELECT *newCDKFselect (CDKSCREEN *\f2screen\f1, int \f2xpos\f1, int \f2ypos\f1, int \f2height\f1, int \f2width\f1, char *\f2title\f1, char *\f2label\f1, chtype \f2fieldAttribute\f1, chtype \f2fillerChar\f1, chtype \f2highlight\f1, chtype \f2dirAttribute\f1, chtype \f2fileAttribute\f1, chtype \f2linkAttribute\f1, chtype \f2sockAttribute\f1, boolean \f2box\f1, boolean \f2shadow\f1);
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.RS 3
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This function creates a pointer to a fselect widget. The \f2screen\f1 parameter
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is the screen you wish this widget to be placed in. The parameter \f2xpos\f1
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controls the placement of the object along the horizontal axis. This parameter
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can accept an integer value or one of the pre-defined values of \f4LEFT\f1,
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\f4RIGHT\f1, and \f4CENTER\f1. The parameter \f2ypos\f1 controls the placement
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of the object along the vertical axis. This parameter can accept an integer
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value or one of the pre-defined values of \f4TOP\f1, \f4BOTTOM\f1, and \f4CENTER\f1.
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The parameters \f2height\f1 and \f2width\f1 control the height and width of the
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widget. If you provide a value of zero for either of the height or the width,
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the widget will be created with the full width and height of the screen. If
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you provide a negative value, the widget will be created the full height or
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width minus the value provided. The \f2title\f1 parameter is the string which
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will be displayed at the top of the widget. The title can be more than one
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line; just provide a carriage return character at the line break. The parameter
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\f2label\f1 sets the label of the file selector. The \f2fieldAttribute\f1
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parameter sets the attribute of the entry field at the top of the widget;
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\f2fillerCharacter\f1 defines the filler character for the entry field. The
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\f2highlight\f1 sets the highlight attribute on the scrolling list. The next
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four parameters: \f2dirAttribute\f1, \f2fileAttribute\f1, \f2linkAttribute\f1,
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and \f2sockAttribute\f1 set the attributes of directories, files, links, and
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sockets found in the directory list. The \f2box\f1 parameter states whether
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the widget will be drawn with a box around it or not. The \f2shadow\f1
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parameter accepts a boolean value to turn the shadow on or off around this
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widget. If the widget could not be created then a \f4NULL\f1 pointer is returned.
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.RE
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char *activateCDKFselect (CDKFSELECT *\f2fselect\f1, chtype *\f2actions\f1);
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.RS 3
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This function activates the file selector widget and lets the user interact with the
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widget. The parameter \f2fselect\f1 is a pointer to a non-NULL file selector widget.
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If the \f2actions\f1 parameter is passed with a non-NULL value, the characters
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in the array will be injected into the widget. To activate the widget
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interactively pass in a \f4NULL\f1 pointer for \f2actions\f1. If the character entered
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into this widget is \f4RETURN\f1 or \f4TAB\f1 then this function will return
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a \f4char *\f1 representing the information typed into the widget and the
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structure member \f4exitType\f1 will be set to \f4vNORMAL\f1. If the character
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entered was \f4ESCAPE\f1 then the function will returns \f4NULL\f1 pointer and
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the structure member \f4exitType\f1 is set to \f4vESCAPE_HIT\f1.
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.RE
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char *injectCDKFselect (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function injects a single character into the widget. The parameter
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\f2fselect\f1 is a pointer to a non-NULL file selector. The parameter
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\f2character\f1 is the character to inject into the widget. If the character
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injected into this widget was \f4RETURN\f1 or \f4TAB\f1 then this function will
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return a \f4char *\f1 representing the information typed into the widget and the
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structure member \f4exitType\f1 will be set to \f4vNORMAL\f1. If the character
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entered was \f4ESCAPE\f1 then the function will returns \f4NULL\f1 pointer and
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the structure member \f4exitType\f1 is set to \f4vESCAPE_HIT\f1. Any other
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character injected into the widget will set the structure member \f4exitType\f1
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to \f4vEARLY_EXIT\f1 and the function will return a \f4NULL\f1 pointer.
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.RE
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void setCDKFselect (CDKFSELECT *\f2fselect\f1, char *\f2directory\f1, chtype \f2fieldAttribute\f1, chtype \f2fillerChar\f1, chtype \f2highlight\f1, chtype \f2dirAttribute\f1, chtype \f2fileAttribute\f1, chtype \f2linkAttribute\f1, chtype \f2sockAttribute\f1, boolean \f2box\f1);
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.RS 3
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This function lets the programmer modify certain elements of an already
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defined fselect widget. The parameter names correspond to the same parameter
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names listed in the \f4newCDKFselect\f1 function.
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.RE
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void setCDKFselectDirectory (CDKFSELECT *\f2fselect\f1, char *\f2directory\f1);
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.RS 3
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This sets the current directory of the widget.
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.RE
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char *getCDKFselectDirectory (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the current directory of the widget.
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.RE
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void setCDKFselectFillerChar (CDKFSELECT *\f2fselect\f1, chtype \f2filler\f1);
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.RS 3
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This sets the character to use when drawing the entry field portion of the
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widget.
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.RE
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chtype getCDKFselectFillerChar (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the character being used as the filler character in the
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entry field portion of the widget.
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.RE
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void setCDKFselectHighlight (CDKFSELECT *\f2fselect\f1, chtype \f2highlight\f1);
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.RS 3
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This function sets the attribute of the highlight bar of the scrolling
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list portion of the widget.
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.RE
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chtype getCDKFselectHighlight (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the attribute of the highlight bar of the scrolling
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list portion of the widget.
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.RE
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void setCDKFselectFileAttribute (CDKFSELECT *\f2fselect\f1, char *\f2attribute\f1);
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.RS 3
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This sets the attribute that plain files will be drawn with in the scrolling
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region of the widget.
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.RE
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char *getCDKFselectFileAttribute (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the attribute that plain files are drawn with in the
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scrolling region of the widget.
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.RE
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void setCDKFselectDirAttribute (CDKFSELECT *\f2fselect\f1, char *\f2attribute\f1);
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.RS 3
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This sets the attribute that directories will be drawn with in the scrolling
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region of the widget.
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.RE
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char *getCDKFselectDirAttribute (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the attribute that directories are drawn with in the
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scrolling region of the widget.
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.RE
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void setCDKFselectLinkAttribute (CDKFSELECT *\f2fselect\f1, char *\f2attribute\f1);
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.RS 3
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This sets the attribute that symbolic links will be drawn with in the scrolling
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region of the widget.
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.RE
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char *getCDKFselectLinkAttribute (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the attribute that symbolic links are drawn with in the
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scrolling region of the widget.
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.RE
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void setCDKFselectSocketAttribute (CDKFSELECT *\f2fselect\f1, char *\f2attribute\f1);
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.RS 3
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This sets the attribute that sockets will be drawn with in the scrolling
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region of the widget.
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.RE
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char *getCDKFselectSocketAttribute (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns the attribute that sockets are drawn with in the
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scrolling region of the widget.
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.RE
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void setCDKFselectBox (CDKFSELECT *\f2fselect\f1, boolean \f2boxWidget\f1);
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.RS 3
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This sets whether or not the widget will be draw with a box around it.
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.RE
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boolean getCDKFselectBox (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This returns whether or not the widget will be drawn with a box around it.
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.RE
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void setCDKFselectULChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the upper left hand corner of the widgets box to
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the given character.
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.RE
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void setCDKFselectURChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the upper right hand corner of the widgets box to
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the given character.
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.RE
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void setCDKFselectLLChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the lower left hand corner of the widgets box to
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the given character.
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.RE
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void setCDKFselectLRChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the lower right hand corner of the widgets box to
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the given character.
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.RE
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void setCDKFselectVerticalChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the vertical drawing character for the box to
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the given character.
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.RE
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void setCDKFselectHorizontalChar (CDKFSELECT *\f2fselect\f1, chtype \f2character\f1);
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.RS 3
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This function sets the horizontal drawing character for the box to
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the given character.
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.RE
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void setCDKFselectBoxAttribute (CDKFSELECT *\f2fselect\f1, chtype \f2attribute\f1);
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.RS 3
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This function sets the attribute of the box.
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.RE
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void setCDKFselectBackgroundColor (CDKFSELECT *\f2fselect\f1, char *\f2color\f1);
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.RS 3
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This sets the background color of the widget. The parameter \f2color\f1
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is in the format of the Cdk format strings. To get more information look
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at the \f4cdk_display\f1 manual page.
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.RE
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void moveCDKFselect (CDKFSELECT *\f2fselect\f1, int \f2xpos\f1, int \f2ypos\f1, boolean \f2relative\f1, boolean \f2refresh\f1);
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.RS 3
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This function moves the given widget to the given position. The parameters
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\f2xpos\f1 and \f2ypos\f1 is the new position of the widget. The parameter
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\f2xpos\f1 can accept an integer value or one of the pre-defined values of
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\f4TOP\f1, \f4BOTTOM\f1, and \f4CENTER\f1. The parameter \f2ypos\f1 can
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accept an integer value or one of the pre-defined values of \f4LEFT\f1,
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\f4RIGHT\f1, and \f4CENTER\f1. The parameter \f2relative\f1 states whether
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the \f2xpos\f1/\f2ypos\f1 pair is a relative move or an absolute move. For
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example if \f2xpos\f1 = 1 and \f2ypos\f1 = 2 and \f2relative\f1 = \f2TRUE\f1,
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then the widget would move one row down and two columns right. If the value
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of \f2relative\f1 was \f2FALSE\f1 then the widget would move to the position
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(1,2). Do not use the values of \f4TOP\f1, \f4BOTTOM\f1, \f4LEFT\f1,
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\f4RIGHT\f1, or \f4CENTER\f1 when \f2relative\f1 = \f4TRUE\f1. (weird things
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may happen). The final parameter \f2refresh\f1 is a boolean value which states
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whether the widget will get refreshed after the move or not.
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.RE
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void positionCDKFselect (CDKFSELECT *\f2fselect\f1);
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.RS 3
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This function allows the user to move the widget around the screen via the
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cursor/keypad keys. The following key bindings can be used to move the
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widget around the screen.
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.LP
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.nf
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\f4Key Bindings\f1
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.RS 3
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\f2Key Action\f1
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Up Arrow Moves the widget up one line.
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Down Arrow Moves the widget down one line.
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Left Arrow Moves the widget left one column
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Right Arrow Moves the widget right one column
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Keypad-1 Moves the widget down one line
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and left one column.
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Keypad-2 Moves the widget down one line.
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Keypad-3 Moves the widget down one line
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and right one column.
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Keypad-4 Moves the widget left one column
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Keypad-5 Centers the widget both vertically
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and horizontally.
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Keypad-6 Moves the widget right one column
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Keypad-7 Moves the widget up one line
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and left one column.
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Keypad-8 Moves the widget up one line.
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Keypad-9 Moves the widget up one line
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and right one column.
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t Moves the widget to the top of the screen.
|
|
b Moves the widget to the bottom of the screen.
|
|
l Moves the widget to the left of the screen.
|
|
r Moves the widget to the right of the screen.
|
|
c Centers the widget between the left and
|
|
right of the window.
|
|
C Centers the widget between the top and
|
|
bottom of the window.
|
|
Escape Returns the widget to it's original position.
|
|
Return Exits the function and leaves the widget
|
|
where it was.
|
|
.fi
|
|
.RE
|
|
.RS 3
|
|
.LP
|
|
Keypad means that if the keyboard you are using has a keypad, then the
|
|
Num-Lock light has to be on in order to use the keys as listed. (The
|
|
numeric keys at the top of the keyboard will work as well.)
|
|
.LP
|
|
void drawCDKFselect (CDKFSELECT *\f2fselect\f1, boolean \f2box\f1);
|
|
.RS 3
|
|
This function draws the fselect widget on the screen. The \f2box\f1 option
|
|
draws the widget with or without a box.
|
|
.RE
|
|
|
|
void eraseCDKFselect (CDKFSELECT *\f2fselect\f1);
|
|
.RS 3
|
|
This function removes the widget from the screen. This does \f4NOT\f1 destroy
|
|
the widget.
|
|
.RE
|
|
|
|
void destroyCDKFselect (CDKFSELECT *\f2fselect\f1);
|
|
.RS 3
|
|
This function removes the widget from the screen and frees up any memory the
|
|
object may be using.
|
|
.RE
|
|
|
|
void bindCDKObject (EObjectType \f2widgetType\f1, void *\f2object\f1, char \f2key\f1, BINDFN \f2function\f1, void *\f2data\f1);
|
|
.RS 3
|
|
This function allows the user to create special key bindings. The
|
|
\f2widgetType\f1 parameter is a defined type which states what Cdk object
|
|
type is being used. To learn more about the type \f4EObjectType\f1 read
|
|
the \f2cdk_binding\f1 manual page. The \f2object\f1 parameter is the pointer
|
|
to the widget object. The \f2key\f1 is the character to bind. The
|
|
\f2function\f1 is the function type. To learn more about the key binding
|
|
call-back function types read the \f4cdk_binding\f1 manual page. The last
|
|
parameter \f2data\f1 is a pointer to any data that needs to get passed to
|
|
the call-back function.
|
|
.RE
|
|
|
|
.SH KEY BINDINGS
|
|
When the widget is activated there are several default key bindings which will
|
|
help the user enter or manipulate the information quickly. Since this widget is
|
|
built from both the scrolling list widget and the entry field widget, the key
|
|
bindings are the same for the respective fields. The extra key bindings are
|
|
listed below.
|
|
.LP
|
|
.nf
|
|
\f4Key Bindings\f1
|
|
.RS 3
|
|
\f2Key Action\f1
|
|
Tab Tries to complete the current filename.
|
|
Up Arrow Scrolls the scrolling list up one line.
|
|
Down Arrow Scrolls the scrolling list down one line.
|
|
Page Up Scrolls the scrolling list up one page.
|
|
CTRL-B Scrolls the scrolling list up one page.
|
|
Page Down Scrolls the scrolling list down one page.
|
|
CTRL-F Scrolls the scrolling list down one page.
|
|
Return Returns the filename in the entry field of
|
|
the file selector. It also sets the structure
|
|
member \f4exitType\f1 in the widget to \f4vNORMAL\f1.
|
|
Escape Exits the widget and returns a \f4NULL\f1 pointer.
|
|
It also sets the structure member \f4exitType\f1
|
|
in the widget to \f4vESCAPE_HIT\f1.
|
|
.RE
|
|
|
|
.fi
|
|
.SH SEE ALSO
|
|
.BR cdk (3),
|
|
.BR cdk_binding (3),
|
|
.BR cdk_display (3),
|
|
.BR cdk_screen (3)
|
|
.SH NOTES
|
|
.PP
|
|
This widget is created from the scrolling list widget and the entry field
|
|
widget. This is a good example on how to build your own widgets using the
|
|
base widgets provided in this distribution. In order for you to delete
|
|
files using the file selector, you must add the following line of code
|
|
into your program. (the character X is the character you wish to use to
|
|
tell the file selector you want to delete a file.)
|
|
.LP
|
|
.ce
|
|
.B "bindCDKObject (vSCROLL, fselect->filelist, X, deleteFile, fselect)"
|
|
.LP
|
|
where \f2fselect\f1 is a pointer to the object. This was originally turned on,
|
|
but I thought it better to put the control of file deletion on an 'as-need'
|
|
basis.
|
|
.PP
|
|
The header file \f4<cdk.h>\f1 automatically includes the header files
|
|
\f4<curses.h>\f1, \f4<stdlib.h>\f1, \f4<string.h>\f1, \f4<ctype.h>\f1,
|
|
\f4<unistd.h>\f1, \f4<dirent.h>\f1, \f4<time.h>\f1, \f4<errno.h>\f1,
|
|
\f4<pwd.h>\f1, \f4<grp.h>\f1, \f4<sys/stat.h>\f1, and \f4<sys/types.h>\f1.
|
|
The \f4<curses.h>\f1 header file includes \f4<stdio.h>\f1 and \f4<unctrl.h>\f1.
|
|
.PP
|
|
If you have \f4Ncurses\f1 installed on your machine add -DNCURSES to the
|
|
compile line to include the Ncurses header files instead.
|