/skins
/xui
/en_us
/es
/fr
etc etc etc...

/skins
/xui
/default
/en_us
/es
/fr
etc etc etc...
/skin1
/en_us
/es
/fr
etc etc etc...
/skin2
/en_us
/es
/fr
etc etc etc...

The file paths.xml, residing in the /skins directory in the application package used to contain 2 elements. One pointed to /skins/xui/en_us, the other to /skin/xui/[Language]. This was modified to always perform localization, but allow any number of custom skins to choose from. Each element in the file contains a skinname attribute (what we want to call our skin). We also provide an enabled attribute for each skin element, which can hold a value of either "true" or "false". At any time, only one of the directory elements should have enabled set to "true".

<paths>
<directory enabled="true" skinname="Default">/skins/xui/default/[Language]/</directory>
<directory enabled="false" skinname="Skin 1">/skins/xui/skin1/[Language]/</directory>
<directory enabled="false" skinname="Skin 2">/skins/xui/skin2/[Language]/</directory>
</paths>

• Modifications to lluictrlfactory.cpp, lluictrlfactory.h

LLUICtrlFactory::LLUICtrlFactory()

This is where the paths.xml file is parsed and the mXUIPaths vector is populated with each directory element. Made some minor code tweaks here to allow the new file format to be parsed correctly.

LLUICtrlFactory::getLayeredXMLNode(const LLString &filename, LLXMLNodePtr& root)

Tweaked code to read the paths which were parsed, and find the enabled one. This string is then suffixed with the filename (e.g. mypanel.xml) and we get the correct skin for the component.

• Modifications to panel_login.xml

Added a button used to trigger skin selector floater dialog pop up.

• Modifications to llpanellogin.cpp, llpanellogin.h

Added callback functionality for skin selection button mentioned above.

• Addition of floater_skin_selector.xml

Provide a combo box enabling the user to select a new skin. The skinname attribute for each of the <directory> elements in paths.xml are displayed in the combo box.
Addition of llfloaterskinselector.cpp, llfloaterskinselector .h

Added callback functionality for the widgets defined in floater_skin_selector.xml. Added functionality to populate combo with data from the XMLNodePtr objects stored in the mXUIPaths vector as well.

• Modified alerts.xml

Modified alerts.xml to add a skin selection success dialog to display to the user after applying a skin change.

Can provide patch; seeking feedback on method first.

Christian Prior
christian@electricsheepcompany.com