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MusE can create LADSPA GUI's (graphical user interfaces) from
Qt designer *.ui files at runtime.
This allows a user to create or modify customized LADSPA guis without
recompiling MusE.
======================
Installation
=====================
Copy the file muse/widgets/musewidgetsplugin.so into a directory were
Qt (designer) can find it.
Example:
if you installed Qt in /usr/qt3:
su -c "cp -af musewidgetsplugin.so /usr/qt3/plugins/designer"
Check:
After starting the Qt designer you see all MusE specific widgets
under Tools/MusE. If you cannot find any MusE widgets, designer
did not find the file "musewidgetsplugin.so".
======================
Environment
======================
Naming:
The Qt designer files are named after the LADSPA plugin ID.
Example: the "freeverb" plugin has the id "1050". A gui for
freeverb has to be named "1050.ui".
The plugin ID is shown in the MusE plugin browser.
Path:
MusE looks for *ui files at (museglobalshare)/plugins/.
If you installed MusE at "/usr" (configured with --prefix=/usr)
MusE looks at "/usr/share/muse/plugins" for *ui files.
======================
Creating *.ui file
======================
The association between LADSPA plugin parameters and Qt-Widgets is
done by name. All input widgets which manipulate a LADSPA parameter
must have a name starting with the letter "P" followed by the parameter
index.
Example:
A "Slider" widget which manipulates the 3th parameter of a
plugin has the name "P3slider".
Supported Widgets:
"Slider" slider for float values
"DoubleLabel" entry for float values
"QCheckbox" to manipulate a on/off LADSPA parameter
"QComboBox" select from a list of named values; sets
integer LADSPA values
(for more hints please look at the example *.ui files)
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