168 lines
9.4 KiB
HTML
168 lines
9.4 KiB
HTML
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<meta name="DC.Title" content="CHCAVAIL (Choice Color/Display Attribute when Available) keyword for display files" />
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<meta name="abstract" content="Use this field-level keyword to specify the color or display attributes to be used when displaying the available choices in a menu bar, push button, selection field, or subfile single or multiple choice selection list." />
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<meta name="description" content="Use this field-level keyword to specify the color or display attributes to be used when displaying the available choices in a menu bar, push button, selection field, or subfile single or multiple choice selection list." />
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<meta name="DC.subject" content="CHCAVAIL (Choice Color/Display Attributes when Available) keyword, Choice Color/Display Attributes when Available (CHCAVAIL) keyword, specifying, color/display attributes available" />
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<title>CHCAVAIL (Choice Color/Display Attribute when Available) keyword for
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display files</title>
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</head>
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<body id="rzakcmstchcava"><a name="rzakcmstchcava"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">CHCAVAIL (Choice Color/Display Attribute when Available) keyword for
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display files</h1>
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<div><p>Use this field-level keyword to specify the color or display attributes
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to be used when displaying the available choices in a menu bar, push button,
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selection field, or subfile single or multiple choice selection list.</p>
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<div class="section"><div class="p">The format of the keyword is: <pre>CHCAVAIL([color] [display-attributes])</pre>
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</div>
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<p>One
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parameter must be specified.</p>
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<div class="p">The color parameter indicates the color
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of the choice text for a field on a color workstation. The choice text can
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be specified on the following keywords: <ul><li>MNUBARCHC</li>
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<li>CHOICE</li>
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<li>PSHBTNCHC</li>
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</ul>
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</div>
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<p>The choice text can also come from the text displayed for a subfile
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used as a single choice or multiple choice selection list. The parameter is
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specified as an expression of the form (*COLOR value).</p>
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<div class="p">The valid values
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for the color parameter are: <dl><dt><strong>Value</strong></dt>
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<dd><strong>Meaning</strong></dd>
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<dt class="dlterm">BLU</dt>
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<dd>Blue</dd>
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<dt class="dlterm">GRN</dt>
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<dd>Green</dd>
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<dt class="dlterm">PNK</dt>
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<dd>Pink</dd>
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<dt class="dlterm">RED</dt>
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<dd>Red</dd>
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<dt class="dlterm">TRQ</dt>
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<dd>Turquoise</dd>
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<dt class="dlterm">YLW</dt>
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<dd>Yellow</dd>
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<dt class="dlterm">WHT</dt>
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<dd>White</dd>
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</dl>
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</div>
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<p>If the color parameter is not specified, the default
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color for the available choices in a menu bar is green. The default color
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for the available choices in a selection field is green. This parameter is
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ignored on a monochrome workstation.</p>
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<p>The display-attribute
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parameter indicates the display attributes of the choice text specified on
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the MNUBARCHC or CHOICE keyword for the field. The parameter is specified
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as an expression of the form (<var class="varname">*DSPATR value1 <value2 <value3...>></var>).</p>
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<p>The
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valid values for the display attributes are:</p>
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<dl><dt><strong>Value</strong></dt>
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<dd><strong>Meaning</strong></dd>
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<dt class="dlterm">BL</dt>
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<dd>Blink</dd>
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<dt class="dlterm">CS</dt>
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<dd>Column separator</dd>
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<dt class="dlterm">HI</dt>
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<dd>High intensity</dd>
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<dt class="dlterm">ND</dt>
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<dd>Nondisplay</dd>
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<dt class="dlterm">RI</dt>
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<dd>Reverse image</dd>
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<dt class="dlterm">UL</dt>
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<dd>Underline</dd>
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</dl>
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<p>The default display attribute in a menu bar is high intensity.
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The default display attribute in a selection field is normal (or low) intensity.</p>
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<div class="note"><span class="notetitle">Note:</span> Display
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attributes CS, HI, and BL can cause fields on 5292, 3179, 3197 Models C1 and
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C2, 3477 Model FC, 3486, 3487 Model HC, and 3488<a href="#rzakcmstchcava__zcolor">1</a> workstations
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to appear as color fields. Separator lines do not appear when
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display attributes HI, RI, and UL are used.</div>
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<p>The CHCAVAIL keyword
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is allowed on a field only if the field has one or more PSHBTNCHC, CHOICE,
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or MNUBARCHC keywords. It is also allowed on a subfile control record if the
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subfile control record uses either the SFLSNGCHC or SFLMLTCHC keywords.</p>
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<p>Option
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indicators are valid for this keyword.</p>
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</div>
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<div class="example"><h4 class="sectiontitle">Example 1</h4><p>The following example shows how to specify
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the CHCAVAIL keyword. In the example, the choices in the menu bar, if available,
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are displayed in yellow on a color display. For a monochrome display, the
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menu bar is the default color (green) at high intensity.</p>
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<pre>|....+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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A
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A R RECORD MNUBAR
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A F1 2Y 0B 1 2
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A MNUBARCHC(1 PULLFILE 'File ')
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A MNUBARCHC(2 PULLEDIT 'Edit ')
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A CHCAVAIL((*COLOR YLW))
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A</pre>
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</div>
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<div class="example"><h4 class="sectiontitle">Example 2</h4><p>In the following example, the available
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choices for the selection field are displayed with underlines.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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A
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A R RECORD
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A F1 2Y 0B 2 5SNGCHCFLD CHECK(ER)
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A CHOICE(1 'Choice number 1')
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A CHOICE(2 'Choice number 2')
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A CHCCTL(1 &CHCCTL1);
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A CHCCTL(2 &CHCCTL2);
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A CHCAVAIL((*DSPATR UL))
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A</pre>
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</div>
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<div class="example"><h4 class="sectiontitle">Example 3</h4><p>In the following example, the single choice
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selection list is displayed in yellow on a color display. The available choices
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are also underlined.</p>
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<pre>|...+....1....+....2....+....3....+....4....+....5....+....6....+....7....+....8
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A R SFLREC SFL
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A CTLFLD 1Y 0H SFLCHCCTL
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A R SFLCTLRCD SFLCTL(SFLREC)
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A SFLSNGCHC
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A :
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A :
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A CHOICE(1 'Choice number 1')
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A :
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A :
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A CHOICE(2 'Choice number 2')
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A :
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A :
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A CHCAVAIL((*DSPATR UL))
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A CHCAVAIL((*COLOR YLW))</pre>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakcmstkeyent.htm" title="You type the keyword entries that define display files in positions 45 through 80 (functions).">DDS keyword entries for display files (positions 45 through 80)</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzakcmstdfsflml.htm" title="Use this record-level keyword to define a subfile as a multiple-choice-selection list. A multiple-choice-selection list is a scrollable group of items from which the user can select multiple items.">SFLMLTCHC (Subfile Multiple Choice Selection List) keyword for display files</a></div>
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<div><a href="rzakcmstdfcolor.htm" title="Use this keyword to specify the color of a field on a color display.">COLOR (Color) keyword for display files</a></div>
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</div>
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</div><div class="p"><a id="rzakcmstchcava__zcolor"><sup>1</sup></a> Dependent on the monitor attached to the display device.</div>
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</body>
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</html>
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