ladspa plugin: added support for read-only options

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2080 90c681e8-e032-0410-971d-27865f9a5e38

3 files changed, 15 insertions, 3 deletions

diff --git a/src/plugins/Effect/ladspa/ladspahost.cpp b/src/plugins/Effect/ladspa/ladspahost.cpp
index 4dcbd8440..29500e349 100644
--- a/src/plugins/Effect/ladspa/ladspahost.cpp
+++ b/src/plugins/Effect/ladspa/ladspahost.cpp
@@ -539,7 +539,10 @@ void LADSPAHost::initialize(LADSPAEffect *instance)
             start = min * 0.5f + max * 0.5f;
 
         instance->knobs[k] = start;
-        c->type = LADSPAControl::SLIDER;
+        if(LADSPA_IS_PORT_OUTPUT(plugin->PortDescriptors[k]))
+            c->type = LADSPAControl::LABEL;
+        else
+            c->type = LADSPAControl::SLIDER;
         c->min = min;
         c->max = max;
         c->step = step;
diff --git a/src/plugins/Effect/ladspa/ladspahost.h b/src/plugins/Effect/ladspa/ladspahost.h
index 9d65f0f49..1fb7af373 100644
--- a/src/plugins/Effect/ladspa/ladspahost.h
+++ b/src/plugins/Effect/ladspa/ladspahost.h
@@ -51,13 +51,14 @@ public:
     enum Type
     {
         BUTTON = 0,
-        SLIDER
+        SLIDER,
+        LABEL
     };
     double min;
     double max;
     double step;
     LADSPA_Data *value;
-    bool type;
+    int type;
     QString name;
 };
 
diff --git a/src/plugins/Effect/ladspa/settingsdialog.cpp b/src/plugins/Effect/ladspa/settingsdialog.cpp
index a78fa8c5a..95a989069 100644
--- a/src/plugins/Effect/ladspa/settingsdialog.cpp
+++ b/src/plugins/Effect/ladspa/settingsdialog.cpp
@@ -98,6 +98,7 @@ void SettingsDialog::on_configureButton_clicked()
     QFormLayout *formLayout = new QFormLayout(dialog);
     LADSPAButton *button = 0;
     LADSPASlider *slider = 0;
+    QLabel *label = 0;
 
     foreach(LADSPAControl *c, effect->controls)
     {
@@ -111,6 +112,13 @@ void SettingsDialog::on_configureButton_clicked()
         case LADSPAControl::SLIDER:
             slider = new LADSPASlider(c->min, c->max, c->step, c->value, dialog);
             formLayout->addRow(c->name, slider);
+            break;
+        case LADSPAControl::LABEL:
+            label = new QLabel(this);
+            label->setText(QString("%1").arg(*c->value));
+            label->setFrameStyle(QFrame::StyledPanel);
+            label->setFrameShadow(QFrame::Sunken);
+            formLayout->addRow(c->name, label);
         }
     }
     if (effect->controls.isEmpty())