505 lines
13 KiB
Groff
505 lines
13 KiB
Groff
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.\" $Id: cdk_template.3,v 1.28 2016/12/11 01:26:36 tom Exp $
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.de bP
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.IP \(bu 4
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..
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.de XX
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..
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.TH cdk_template 3
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.SH NAME
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.XX activateCDKTemplate
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.XX cleanCDKTemplate
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.XX destroyCDKTemplate
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.XX drawCDKTemplate
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.XX eraseCDKTemplate
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.XX getCDKTemplateBox
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.XX getCDKTemplateMin
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.XX getCDKTemplateValue
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.XX injectCDKTemplate
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.XX mixCDKTemplate
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.XX newCDKTemplate
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.XX setCDKTemplate
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.XX setCDKTemplateBackgroundAttrib
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.XX setCDKTemplateBackgroundColor
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.XX setCDKTemplateBox
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.XX setCDKTemplateBoxAttribute
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.XX setCDKTemplateCB
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.XX setCDKTemplateHorizontalChar
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.XX setCDKTemplateLLChar
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.XX setCDKTemplateLRChar
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.XX setCDKTemplateMin
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.XX setCDKTemplatePostProcess
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.XX setCDKTemplatePreProcess
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.XX setCDKTemplateULChar
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.XX setCDKTemplateURChar
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.XX setCDKTemplateValue
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.XX setCDKTemplateVerticalChar
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.XX unmixCDKTemplate
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cdk_template \- a curses template 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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.nf
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.TP 15
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.B "char *activateCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype * " "actions");
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.TP 15
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.B "void cleanCDKTemplate ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "void destroyCDKTemplate ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "void drawCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "boolean " "box");
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.TP 15
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.B "void eraseCDKTemplate ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "boolean getCDKTemplateBox ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "int getCDKTemplateMin ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "char *getCDKTemplateValue ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "char *injectCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "input");
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.TP 15
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.B "char *mixCDKTemplate ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "void moveCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "int " "xpos",
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.BI "int " "ypos",
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.BI "boolean " "relative",
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.BI "boolean " "refresh");
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.TP 15
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.B "CDKTEMPLATE *newCDKTemplate ("
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.BI "CDKSCREEN *" "cdkscreen",
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.BI "int " "xpos",
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.BI "int " "ypos",
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.BI "const char *" "title",
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.BI "const char *" "label",
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.BI "const char *" "plate",
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.BI "const char *" "overlay",
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.BI "boolean " "box",
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.BI "boolean " "shadow");
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.TP 15
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.B "void positionCDKTemplate ("
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.BI "CDKTEMPLATE *" "template");
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.TP 15
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.B "void setCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "const char *" "value",
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.BI "boolean " "box");
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.TP 15
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.B "void setCDKTemplateBackgroundAttrib ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "attribute");
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.TP 15
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.B "void setCDKTemplateBackgroundColor ("
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.BI "CDKTEMPLATE *" "template",
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.BI "const char * " "color");
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.TP 15
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.B "void setCDKTemplateBox ("
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.BI "CDKTEMPLATE *" "template",
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.BI "boolean " "box");
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.TP 15
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.B "void setCDKTemplateBoxAttribute ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateCB ("
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.BI "CDKTEMPLATE *" "template",
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.BI "TEMPLATECB " "callbackFunction");
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.TP 15
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.B "void setCDKTemplateHorizontalChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateLLChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateLRChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateMin ("
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.BI "CDKTEMPLATE *" "template",
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.BI "int " "minimum");
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.TP 15
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.B "void setCDKTemplatePostProcess ("
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.BI "CDKTEMPLATE *" "template",
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.BI "PROCESSFN " "callback",
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.BI "void * " "data");
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.TP 15
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.B "void setCDKTemplatePreProcess ("
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.BI "CDKTEMPLATE *" "template",
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.BI "PROCESSFN " "callback",
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.BI "void * " "data");
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.TP 15
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.B "void setCDKTemplateULChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateURChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "void setCDKTemplateValue ("
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.BI "CDKTEMPLATE *" "template",
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.BI "const char *" "value");
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.TP 15
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.B "void setCDKTemplateVerticalChar ("
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.BI "CDKTEMPLATE *" "template",
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.BI "chtype " "character");
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.TP 15
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.B "char *unmixCDKTemplate ("
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.BI "CDKTEMPLATE *" "template",
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.BI "const char *" "string");
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.fi
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.SH DESCRIPTION
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The Cdk template widget creates a template widget which allows a user to type
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information into an entry field with a pre-set field format.
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Typical uses for
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this widget would be a date field or a time field.
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The following are functions
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which create or manipulate the Cdk template box widget.
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.SH AVAILABLE FUNCTIONS
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.TP 5
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.B activateCDKTemplate
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activates the template widget and lets the user interact with the widget.
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.RS
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.bP
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The parameter \fBtemplate\fR is a pointer to a non-NULL template widget.
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.bP
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If the \fBactions\fR parameter is passed with a non-NULL value, the characters
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in the array will be injected into the widget.
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.IP
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To activate the widget
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interactively pass in a \fINULL\fR pointer for \fBactions\fR.
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.RE
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.IP
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If the character entered
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into this widget is \fIRETURN\fR or \fITAB\fR then this function will return
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a \fIchar\ *\fR representing the information typed into the widget and the
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widget data \fIexitType\fR will be set to \fIvNORMAL\fR.
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.IP
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If the character
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entered was \fIESCAPE\fR then the function will return \fINULL\fR pointer and
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the widget data \fIexitType\fR is set to \fIvESCAPE_HIT\fR.
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.TP 5
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.B cleanCDKTemplate
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clears the information from the field.
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.TP 5
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.B destroyCDKTemplate
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removes the widget from the screen and frees any memory the object used.
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.TP 5
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.B drawCDKTemplate
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draws the template widget on the screen.
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If \fBbox\fR is true,
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the widget is drawn with a box.
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.TP 5
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.B eraseCDKTemplate
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removes the widget from the screen.
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This does \fBNOT\fR destroy the widget.
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.TP 5
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.B getCDKTemplateBox
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returns true if the widget will be drawn with a box around it.
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.TP 5
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.B getCDKTemplateMin
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returns the minimum characters that must be entered before the
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widget will exit.
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.TP 5
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.B getCDKTemplateValue
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returns the current value of the widget.
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.TP 5
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.B injectCDKTemplate
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injects a single character into the widget.
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.RS
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.bP
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The parameter \fBtemplate\fR is a pointer to a non-NULL template widget.
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.bP
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The parameter \fBcharacter\fR is the character to inject into the widget.
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.RE
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.IP
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The return value and side-effect (setting the widget data \fIexitType\fP)
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depend upon the injected character:
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.RS
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.TP
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\fIRETURN\fP or \fITAB\fR
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the function returns
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a \fIchar\ *\fR representing the information typed into the widget.
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The widget data \fIexitType\fR is set to \fIvNORMAL\fR.
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.TP
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\fIESCAPE\fP
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the function returns
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a \fINULL\fR pointer.
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The widget data \fIexitType\fR is set to \fIvESCAPE_HIT\fR.
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.TP
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Otherwise
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unless modified by preprocessing, postprocessing or key bindings,
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the function returns
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a \fINULL\fR pointer.
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The widget data \fIexitType\fR is set to \fIvEARLY_EXIT\fR.
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.RE
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.TP 5
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.B mixCDKTemplate
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returns a \fIchar*\fR pointer to the field value and the plate.
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.TP 5
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.B moveCDKTemplate
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moves the given widget to the given position.
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.RS
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.bP
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The parameters \fBxpos\fR and \fBypos\fR are the new position of the widget.
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.IP
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The parameter \fBxpos\fR is an integer or one of the predefined values
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\fITOP\fR, \fIBOTTOM\fR, and \fICENTER\fR.
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.IP
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The parameter \fBypos\fR
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may be an integer or one of the pre-defined values \fILEFT\fR,
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\fIRIGHT\fR, and \fICENTER\fR.
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.bP
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The parameter \fBrelative\fR states whether
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the \fBxpos\fR/\fBypos\fR pair is a relative move or an absolute move.
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.IP
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For example,
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if \fBxpos\fR = 1 and \fBypos\fR = 2 and \fBrelative\fR = \fBTRUE\fR,
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then the widget would move one row down and two columns right.
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If the value of \fBrelative\fR was \fBFALSE\fR then the widget would move to the position (1,2).
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.IP
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Do not use the values \fITOP\fR, \fIBOTTOM\fR, \fILEFT\fR,
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\fIRIGHT\fR, or \fICENTER\fR when \fBrelative\fR = \fITRUE\fR
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(weird things may happen).
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.bP
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The final parameter \fBrefresh\fR is a boolean value which
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states whether the widget will be repainted after the move.
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.RE
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.TP 5
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.B newCDKTemplate
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creates a template widget, returning a pointer to it.
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Parameters:
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.RS
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.TP 5
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\fBscreen\fR
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is the screen you wish this widget to be placed in.
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.TP 5
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\fBxpos\fR
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controls the placement of the object along the horizontal axis.
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It may be an integer or one of the pre-defined values
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\fILEFT\fR, \fIRIGHT\fR, and \fICENTER\fR.
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.TP 5
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\fBypos\fR
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controls the placement of the object along the vertical axis.
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It may be an integer or one of the pre-defined values
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\fITOP\fR, \fIBOTTOM\fR, and \fICENTER\fR.
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.TP 5
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\fBtitle\fR
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is the string to display at the top of the widget.
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The title can be more than one line; just provide a carriage return
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character at the line break.
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.TP 5
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\fBlabel\fR
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is the string to display in the label of the template field.
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.TP 5
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\fBplate\fR
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defines the character to allow at each position in the template field.
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This is done by creating a character plate by using
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special format character to tell the template widget what type of character
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is allowed where in the template widget.
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The following table lists the format types.
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.LP
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.TS
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center tab(/);
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l
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l l
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lw15 lw35 .
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\fBPlate_Character/Effect\fR
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=
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#/Accepts an integer.
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A/Accepts an alphabetic value.
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C/T{
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Accepts an alphabetic value.
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Automatically converts the character to upper case.
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T}
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c/T{
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Accepts an alphabetic value.
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Automatically converts the character to lower case.
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T}
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M/T{
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Accepts alphanumeric characters.
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T}
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X/T{
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Accepts alphanumeric characters.
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Automatically converts the character to upper case.
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T}
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x/T{
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Accepts alphanumeric characters.
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Automatically converts the character to upper case.
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T}
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Anything else/T{
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Ignored and assumed a non-editable position.
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T}
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=
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.TE
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.TP 5
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\fBoverlay\fR
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is the overlay of the template field.
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If the field
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needs some sort of overlay, this parameter supplies this.
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A date field could
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have YY/MM/DD, the overlay parameter would display YY/MM/DD on an empty template field.
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.TP 5
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\fBbox\fR
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is true if the widget should be drawn with a box around it.
|
||
|
|
.TP 5
|
||
|
|
\fBshadow\fR
|
||
|
|
turns the shadow on or off around this widget.
|
||
|
|
.RE
|
||
|
|
.IP
|
||
|
|
If the widget could not be created then a \fINULL\fR pointer is returned.
|
||
|
|
.TP 5
|
||
|
|
.B positionCDKTemplate
|
||
|
|
allows the user to move the widget around the screen via the
|
||
|
|
single keystroke commands.
|
||
|
|
See \fBcdk_position (3)\fR for key bindings.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplate
|
||
|
|
lets the programmer modify certain elements of an existing
|
||
|
|
template widget.
|
||
|
|
.IP
|
||
|
|
The parameter names correspond to the same parameter names
|
||
|
|
listed in the \fBnewCDKTemplate\fR function.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateBackgroundAttrib
|
||
|
|
sets the background attribute of the widget.
|
||
|
|
.IP
|
||
|
|
The parameter \fBattribute\fR is a curses attribute, e.g., A_BOLD.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateBackgroundColor
|
||
|
|
sets the background color of the widget.
|
||
|
|
.IP
|
||
|
|
The parameter \fBcolor\fR
|
||
|
|
is in the format of the Cdk format strings.
|
||
|
|
.IP
|
||
|
|
For more information, see the \fIcdk_display (3)\fR.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateBox
|
||
|
|
sets a flag, true if the widget will be drawn with a box around it.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateBoxAttribute
|
||
|
|
sets the attribute of the box.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateCB
|
||
|
|
allows the programmer to set a different widget input handler.
|
||
|
|
.IP
|
||
|
|
The parameter \fBcallbackFunction\fR is of type \fITEMPLATECB\fR.
|
||
|
|
.IP
|
||
|
|
The default input handler is \fICDKTemplateCallBack\fR.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateHorizontalChar
|
||
|
|
sets the horizontal drawing character for the box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateLLChar
|
||
|
|
sets the lower left hand corner of the widget's box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateLRChar
|
||
|
|
sets the lower right hand corner of the widget's box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateMin
|
||
|
|
sets the minimum number of characters that must be entered
|
||
|
|
before the widget will exit.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplatePostProcess
|
||
|
|
allows the user to have the widget call a function after the
|
||
|
|
key has been applied to the widget.
|
||
|
|
To learn more about post-processing see \fIcdk_process\fR (3).
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplatePreProcess
|
||
|
|
allows the user to have the widget call a function after a key
|
||
|
|
is hit and before the key is applied to the widget.
|
||
|
|
To learn more about preprocessing see \fIcdk_process\fR (3).
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateULChar
|
||
|
|
sets the upper left hand corner of the widget's box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateURChar
|
||
|
|
sets the upper right hand corner of the widget's box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateValue
|
||
|
|
sets a value in the widget.
|
||
|
|
.TP 5
|
||
|
|
.B setCDKTemplateVerticalChar
|
||
|
|
sets the vertical drawing character for the box to
|
||
|
|
the given character.
|
||
|
|
.TP 5
|
||
|
|
.B unmixCDKTemplate
|
||
|
|
returns a \fIchar*\fR pointer to the field value without any
|
||
|
|
plate characters.
|
||
|
|
.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.
|
||
|
|
.TS
|
||
|
|
center tab(/) allbox;
|
||
|
|
l l
|
||
|
|
l l
|
||
|
|
lw15 lw35 .
|
||
|
|
\fBKey/Action\fR
|
||
|
|
=
|
||
|
|
Delete/T{
|
||
|
|
Deletes the character at the cursor.
|
||
|
|
T}
|
||
|
|
Backspace/T{
|
||
|
|
Deletes the character before cursor, moves cursor left.
|
||
|
|
T}
|
||
|
|
Ctrl-P/T{
|
||
|
|
Pastes whatever is in the paste buffer, into the widget.
|
||
|
|
T}
|
||
|
|
Ctrl-K/T{
|
||
|
|
Cuts the contents from the widget and saves a copy in the paste buffer.
|
||
|
|
T}
|
||
|
|
Ctrl-T/T{
|
||
|
|
Copies the contents of the widget into the paste buffer.
|
||
|
|
T}
|
||
|
|
Ctrl-E/T{
|
||
|
|
Erases the contents of the widget.
|
||
|
|
T}
|
||
|
|
Return/T{
|
||
|
|
Exits the widget and returns a \fIchar*\fR representing the information which was typed into the field.
|
||
|
|
It also sets the widget data \fIexitType\fR to \fIvNORMAL\fR.
|
||
|
|
T}
|
||
|
|
Tab/T{
|
||
|
|
Exits the widget and returns a \fIchar*\fR representing the information which was typed into the field.
|
||
|
|
It also sets the widget data \fIexitType\fR to \fIvNORMAL\fR.
|
||
|
|
T}
|
||
|
|
Escape/T{
|
||
|
|
Exits the widget and returns a \fINULL\fR pointer.
|
||
|
|
It also sets the widget data \fIexitType\fR to \fIvESCAPE_HIT\fR.
|
||
|
|
T}
|
||
|
|
Ctrl-L/Refreshes the screen.
|
||
|
|
.TE
|
||
|
|
.SH SEE ALSO
|
||
|
|
.BR cdk (3),
|
||
|
|
.BR cdk_binding (3),
|
||
|
|
.BR cdk_display (3),
|
||
|
|
.BR cdk_screen (3)
|