Gel4y Mini Shell

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File name : scale.page

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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="topic" id="scale" xml:lang="fi">
 <info>
 <link type="guide" xref="index#dialogs"/>
 <desc>Use the <cmd>--scale</cmd> option.</desc>
 </info>
 <title>Scale Dialog</title>
 
 Use the <cmd>--scale</cmd> option to create a scale dialog. 
 
 
 The scale dialog supports the following options:

<terms>

<item>
 <title><cmd>--text</cmd>=<var>TEXT</var></title>
 Set the dialog text. (Default: Adjust the scale value)
 </item>

<item>
 <title><cmd>--value</cmd>=<var>VALUE</var></title>
 Set initial value. (Default: 0) You must specify value between minimum value to maximum value.
 </item>

<item>
 <title><cmd>--min-value</cmd>=<var>VALUE</var></title>
 Set minimum value. (Default: 0)
 </item>

<item>
 <title><cmd>--max-value</cmd>=<var>VALUE</var></title>
 Set maximum value. (Default: 100)
 </item>

<item>
 <title><cmd>--step</cmd>=<var>VALUE</var></title>
 Set step size. (Default: 1)
 </item>

<item>
 <title><cmd>--print-partial</cmd></title>
 Print value to standard output, whenever a value is changed. 
 </item>

<item>
 <title><cmd>--hide-value</cmd></title>
 Hide value on dialog.
 </item>

</terms>

The following example script shows how to create a scale dialog:

<code>
#!/bin/sh

VALUE=`zenity --scale --text="Select window transparency." --value=50`

case $? in
 0)
		echo "You selected $VALUE%.";;
 1)
 echo "No value selected.";;
 -1)
 echo "An unexpected error has occurred.";;
esac
</code>

<figure>
 <title>Scale Dialog Example</title>
 <desc><app>Zenity</app> scale dialog example</desc>
 <media type="image" mime="image/png" src="figures/zenity-scale-screenshot.png"/>
 </figure>

</page>