527 lines
21 KiB
Groff
527 lines
21 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_mentry 3 "24 April 1997"
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.SH NAME
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newCDKMentry, activateCDKMentry, injectCDKMentry, setCDKMentry,
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setCDKMentryValue, getCDKMentryValue,
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setCDKMentryMin, getCDKMentryMin,
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setCDKMentryFillerChar, getCDKMentryFillerChar,
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setCDKMentryBox, getCDKMentryBox,
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setCDKMentryULChar, setCDKMentryURChar,
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setCDKMentryLLChar, setCDKMentryLRChar,
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setCDKMentryVerticalChar, setCDKMentryHorizontalChar,
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setCDKMentryBoxAttribute,
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setCDKMentryBackgroundColor,
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setCDKMentryCB,
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drawCDKMentry, eraseCDKMentry, cleanCDKMentry, destroyCDKMentry,
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setCDKMentryPreProcess, setCDKMentryPostProcess \- Creates a managed curses
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multiple line entry 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 "CDKMENTRY *newCDKMentry (CDKSCREEN *" "cdkscreen",
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.BI "int " "xpos",
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.BI "int " "ypos",
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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 "EDisplayType " "displayType",
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.BI "int " "fieldWidth",
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.BI "int " "fieldRows",
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.BI "int " "logicalRows",
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.BI "int " "minimumLength",
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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 *activateCDKMentry (CDKMENTRY *" "mentry",
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.BI "chtype *" "actions");
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.LP
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.BI "char *injectCDKMentry (CDKMENTRY *" "mentry",
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.BI "chtype " "input");
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.LP
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.BI "void setCDKMentry (CDKMENTRY *" "mentry",
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.BI "char *" "value",
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.BI "int " "minimumLength",
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.BI "boolean " "box");
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.LP
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.BI "void setCDKMmentryValue (CDKMENTRY *" "mentry",
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.BI "char *" "value");
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.LP
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.BI "char *getCDKMmentryValue (CDKMENTRY *" "mentry");
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.LP
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.BI "void setCDKMmentryMin (CDKMENTRY *" "mentry",
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.BI "int " "minimum");
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.LP
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.BI "int getCDKMmentryMin (CDKMENTRY *" "mentry");
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.LP
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.BI "void setCDKMmentryBox (CDKMENTRY *" "mentry",
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.BI "boolean " "box");
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.LP
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.BI "boolean getCDKMmentryBox (CDKMENTRY *" "mentry");
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.LP
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.BI "void setCDKMmentryBox (CDKMENTRY *" "mentry",
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.BI "boolean " "box");
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.LP
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.BI "boolean getCDKMmentryBox (CDKMENTRY *" "mentry");
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.LP
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.BI "void setCDKMentryCB (CDKMENTRY *" "mentry",
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.BI "MENTRYCB " "callBackFunction");
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.LP
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.BI "void setCDKMentryULChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryURChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryLLChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryLRChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryVerticalChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryHorizontalChar (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryBoxAttribute (CDKMENTRY *", "mentry",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKMentryBackgroundColor (CDKMENTRY *", "mentry",
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.BI "char * " "color");
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.LP
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.BI "void moveCDKMentry (CDKMENTRY *" "mentry",
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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 positionCDKMentry (CDKMENTRY *" "mentry");
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.LP
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.BI "void drawCDKMentry (CDKMENTRY *" "mentry",
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.BI "boolean " "box");
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.LP
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.BI "void eraseCDKMentry (CDKMENTRY *" "mentry");
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.LP
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.BI "void cleanCDKMentry (CDKMENTRY *" "mentry");
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.LP
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.BI "void destroyCDKMentry (CDKMENTRY *" "mentry");
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.LP
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.BI "void setCDKMentryPreProcess (CDKMENTRY *" "mentry",
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.BI "PROCESSFN " "callback",
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.BI "void * " "data");
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.LP
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.BI "void setCDKMentryPostProcess (CDKMENTRY *" "mentry",
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.BI "PROCESSFN " "callback",
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.BI "void * " "data");
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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 mentry widget creates a multiple line entry box with a label and an
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entry field. The following are functions which create or manipulate the Cdk
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mentry box widget.
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.SH AVAILABLE FUNCTIONS
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CDKMENTRY *newCDKMentry (CDKSCREEN *\f2screen\f1, int \f2xpos\f1, int \f2ypos\f1, char *\f2title\f1, char *\f2label\f1, chtype \f2fieldAttribute\f1, chtype \f2fillerCharacter\f1, chtype \f2displayType\f1, int \f2fieldWidth\f1, int \f2fieldRows\f1, int \f2logicalRows\f1, int \f2minimumLength\f1, boolean \f2box\f1, boolean \f2shadow\f1);
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.RS 3
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This function creates a pointer to a mentry 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 \f2title\f1 parameter is the string which will be displayed at the top of the
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widget. The title can be more than one line; just provide a carriage return
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character at the line break. The \f2label\f1 parameter is the string which
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will be displayed in the label of the mentry field. The \f2fieldAttribute\f1
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is the attribute of the characters to be displayed when they are typed in.
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\f2filler\f1 is the character which is to be displayed in an empty space in
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the mentry field. The parameter \f2displayType\f1 tells how the mentry field
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will behave when a character is entered into the field. The following table
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outlines valid values for this field and what they mean:
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.LP
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.RS 3
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.nf
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\f2Display_Type Meaning\f1
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vCHAR Only accepts alphabetic characters.
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vLCHAR Only accepts alphabetic characters.
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Maps the character to lower case
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when a character has been accepted.
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vUCHAR Only accepts alphabetic characters.
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Maps the character to upper case
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when a character has been accepted.
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vHCHAR Only accepts alphabetic characters.
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Displays a \f4.\f1 when a character
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has been accepted.
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vUHCHAR Only accepts alphabetic characters.
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Displays a \f4.\f1 and maps the
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character to upper case when a
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character has been accepted.
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vLHCHAR Only accepts alphabetic characters.
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Displays a \f4.\f1 and maps the
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character to lower case when a
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character has been accepted.
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vINT Only accepts numeric characters.
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vHINT Only accepts numeric characters.
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Displays a \f4.\f1 when a character
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has been accepted.
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vMIXED Accepts any character types.
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vLMIXED Accepts any character types.
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Maps the character to lower case
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when an alphabetic character has
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been accepted.
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vUMIXED Accepts any character types.
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Maps the character to upper case
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when an alphabetic character has
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been accepted.
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vHMIXED Accepts any character types.
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Displays a \f4.\f1 when a character
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has been accepted.
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vLHMIXED Accepts any character types.
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Displays a \f4.\f1 and maps the
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character to lower case when a
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character has been accepted.
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vUHMIXED Accepts any character types.
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Displays a \f4.\f1 and maps the
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character to upper case when a
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character has been accepted.
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vVIEWONLY Uneditable field.
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.LP
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.fi
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.RE
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The parameters \f2fieldRows\f1 and \f2fieldWidth\f1 control the height and width of
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the field of the widget. If you provide a value of zero for either of the values,
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the field in the widget will be made as large as it can both in width and in height.
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If you provide a negative value, the field will be created the full height or width
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minus the value provided. While \f2logicalRows\f1 states how many rows the mentry
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field will have. The parameter \f2minimumLength\f1 states how many characters have
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to be entered before the use can exit the mentry field. The \f2callBackFunction\f1
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is where the use can swap out the key processing element of the widget. The \f2box\f1
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parameter states whether the widget will be drawn with a box around it or not. The
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\f2shadow\f1 parameter accepts a boolean value to turn the shadow on or off
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around this widget. If the widget could not be created then a \f4NULL\f1 pointer is
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returned.
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.RE
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char *activateCDKMentry (CDKMENTRY *\f2mentry\f1, chtype *\f2actions\f1);
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.RS 3
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This function activates the mentry widget and lets the user interact with the
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widget. The parameter \f2mentry\f1 is a pointer to a non-NULL mentry 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 *injectCDKMentry (CDKMENTRY *\f2mentry\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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\f2mentry\f1 is a pointer to a non-NULL mentry. 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 setCDKMentry (CDKMENTRY *\f2mentry\f1, char *\f2value\f1, int \f2minimumLength\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 defined
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entry widget. The parameter names correspond to the same parameter names listed
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in the \f4newCDKMentry\f1 function.
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.RE
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void setCDKMentryValue (CDKMENTRY *\f2mentry\f1, char *\f2value\f1);
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.RS 3
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This sets the current value of the widget.
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.RE
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char *getCDKMentryValue (CDKMENTRY *\f2mentry\f1);
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.RS 3
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This returns the current value of the widget.
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.RE
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void setCDKMentryMin (CDKMENTRY *\f2mentry\f1, int \f2maximum\f1);
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.RS 3
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This sets the minimum length of the string that the widget will allow.
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.RE
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int getCDKMentryMin (CDKMENTRY *\f2mentry\f1);
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.RS 3
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This returns the minimum length of a string the widget will allow.
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.RE
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void setCDKMentryFillerChar (CDKMENTRY *\f2mentry\f1, chtype \f2filler\f1);
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.RS 3
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This sets the character to use when drawing unused space in the field.
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.RE
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chtype getCDKMentryFillerChar (CDKMENTRY *\f2mentry\f1);
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.RS 3
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This returns the character being used to draw unused space in the widget.
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.RE
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void setCDKMentryBox (CDKMENTRY *\f2mentry\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 getCDKMentryBox (CDKMENTRY *\f2mentry\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 setCDKMentryULChar (CDKMENTRY *\f2mentry\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 setCDKMentryURChar (CDKMENTRY *\f2mentry\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 setCDKMentryLLChar (CDKMENTRY *\f2mentry\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 setCDKMentryLRChar (CDKMENTRY *\f2mentry\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 setCDKMentryVerticalChar (CDKMENTRY *\f2mentry\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 setCDKMentryHorizontalChar (CDKMENTRY *\f2mentry\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 setCDKMentryBoxAttribute (CDKMENTRY *\f2mentry\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 setCDKMentryBackgroundColor (CDKMENTRY *\f2mentry\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 setCDKMentryCB (CDKMENTRY *\f2mentry\f1, MENTRYCB \f2callbackFunction\f1);
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.RS 3
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This function allows the programmer to set a different widget input handler.
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The parameter \f2callbackFunction\f1 is of type \f4MENTRYCB\f1. The current
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default function is \f4CDKMentryCallBack\f1.
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.RE
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void moveCDKMentry (CDKMENTRY *\f2mentry\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
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states whether the widget will get refreshed after the move or not.
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.RE
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void positionCDKMentry (CDKMENTRY *\f2mentry\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.
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b Moves the widget to the bottom of the screen.
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l Moves the widget to the left of the screen.
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r Moves the widget to the right of the screen.
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c Centers the widget between the left and
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right of the window.
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C Centers the widget between the top and
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bottom of the window.
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Escape Returns the widget to it's original position.
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Return Exits the function and leaves the widget
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where it was.
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.fi
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.RE
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.RS 3
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.LP
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Keypad means that if the keyboard you are using has a keypad, then the
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Num-Lock light has to be on in order to use the keys as listed. (The
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numeric keys at the top of the keyboard will work as well.)
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.LP
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void drawCDKMentry(CDKMENTRY *\f2mentry\f1, boolean \f2box\f1);
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.RS 3
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This function draws the widget on the screen. The \f2box\f1 option
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draws the widget with or without a box.
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.RE
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|
|
void eraseCDKMentry (CDKMENTRY *\f2mentry\f1);
|
|
.RS 3
|
|
This function removes the widget from the screen. This does \f4NOT\f1 destroy
|
|
the widget.
|
|
.RE
|
|
|
|
void cleanCDKMentry (CDKMENTRY *\f2mentry\f1);
|
|
.RS 3
|
|
This function clears the information from the field.
|
|
.RE
|
|
|
|
void destroyCDKMentry (CDKMENTRY *\f2mentry\f1);
|
|
.RS 3
|
|
This function removes the widget from the screen and frees up any memory the
|
|
object may be using.
|
|
.RE
|
|
|
|
void setCDKMentryPreProcess (CDKMENTRY *\f2mentry\f1, PROCESSFN \f2function\f1, void *\f2data\f1);
|
|
.RS 3
|
|
This function allows the user to have the widget call a function after a key
|
|
is hit and before the key is applied to the widget. The parameter \f2function\f1
|
|
if of type \f4PROCESSFN\f1. The parameter \f2data\f1 is a pointer to
|
|
\f4void\f1. To learn more about pre-processing read the \f4cdk_process\f1
|
|
manual page.
|
|
.RE
|
|
|
|
void setCDKMentryPostProcess (CDKMENTRY *\f2mentry\f1, PROCESSFN \f2function\f1, void *\f2data\f1);
|
|
.RS 3
|
|
This function allows the user to have the widget call a function after the
|
|
key has been applied to the widget. The parameter \f2function\f1 if of type
|
|
\f4PROCESSFN\f1. The parameter \f2data\f1 is a pointer to \f4void\f1. To
|
|
learn more about post-processing read the \f4cdk_process\f1 manual page.
|
|
.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. The \f2object\f1 parameter is the pointer to the widget
|
|
object. 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 \f4cdk_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
|
|
callback 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 callback 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. The following table
|
|
outlines the keys and their actions for this widget.
|
|
.LP
|
|
.RS 3
|
|
.nf
|
|
\f2Key Action\f1
|
|
Left Arrow Moves the cursor the the left.
|
|
CTRL-B Moves the cursor the the left.
|
|
Right Arrow Moves the cursor the the right.
|
|
CTRL-F Moves the cursor the the right.
|
|
Up Arrow Moves the cursor one row down.
|
|
Down Arrow Moves the cursor one row up.
|
|
Delete Deletes the character to the left of the cursor.
|
|
Backspace Deletes the character to the left of the cursor.
|
|
CTRL-H Deletes the character to the left of the cursor.
|
|
CTRL-V Pastes whatever is in the paste buffer, into the widget.
|
|
CTRL-X Cuts the contents from the widget and saves a copy in
|
|
the paste buffer.
|
|
CTRL-Y Copies the contents of the widget into the paste buffer.
|
|
CTRL-U Erases the contents of the widget.
|
|
CTRL-A Moves the cursor to the begining of the entry field.
|
|
CTRL-E Moves the cursor to the end of the entry field.
|
|
CTRL-T Transposes the characer under the cursor with the
|
|
character to the right.
|
|
Return Exits the widget and returns a \f4char *\f1 representing
|
|
the information which was typed into the field. It also
|
|
sets the structure member \f4exitType\f1 in the widget
|
|
pointer to \f4vNORMAL\f1.
|
|
Tab Exits the widget and returns a \f4char *\f1 representing
|
|
the information which was typed into the field. It also
|
|
sets the structure member \f4exitType\f1 in the widget
|
|
pointer to \f4vNORMAL\f1.
|
|
Escape Exits the widget and returns a \f4NULL\f1 pointer. It also
|
|
sets the structure member \f4exitType\f1 in the widget pointer
|
|
to the value of \f4vESCAPE_HIT\f1.
|
|
Ctrl-L Refreshes the screen.
|
|
.RE
|
|
.fi
|
|
.SH SEE ALSO
|
|
.BR cdk (3),
|
|
.BR cdk_binding (3),
|
|
.BR cdk_display (3),
|
|
.BR cdk_screen (3)
|
|
.SH NOTES
|
|
.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.
|