Current File : //usr/share/help/C/zenity/scale.page
<page xmlns="http://projectmallard.org/1.0/"
type="topic"
id="scale">
<info>
<link type="guide" xref="index#dialogs"/>
<desc>Use the <cmd>--scale</cmd> option.</desc>
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude" />
</info>
<title>Scale Dialog</title>
<p>
Use the <cmd>--scale</cmd> option to create a scale dialog.
</p>
<p>
The scale dialog supports the following options:
</p>
<terms>
<item>
<title><cmd>--text</cmd>=<var>TEXT</var></title>
<p>Set the dialog text. (Default: Adjust the scale value)</p>
</item>
<item>
<title><cmd>--value</cmd>=<var>VALUE</var></title>
<p>Set initial value. (Default: 0) You must specify value between minimum value to maximum value.</p>
</item>
<item>
<title><cmd>--min-value</cmd>=<var>VALUE</var></title>
<p>Set minimum value. (Default: 0)</p>
</item>
<item>
<title><cmd>--max-value</cmd>=<var>VALUE</var></title>
<p>Set maximum value. (Default: 100)</p>
</item>
<item>
<title><cmd>--step</cmd>=<var>VALUE</var></title>
<p>Set step size. (Default: 1)</p>
</item>
<item>
<title><cmd>--print-partial</cmd></title>
<p>Print value to standard output, whenever a value is changed. </p>
</item>
<item>
<title><cmd>--hide-value</cmd></title>
<p>Hide value on dialog.</p>
</item>
</terms>
<p>
The following example script shows how to create a scale dialog:
</p>
<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>
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