ZamTube: Make tube drive knob logarithmic

2 files changed, 8 insertions, 7 deletions

diff --git a/plugins/ZamTube/ZamTubePlugin.cpp b/plugins/ZamTube/ZamTubePlugin.cpp
index 75d00cb..01cf557 100644
--- a/plugins/ZamTube/ZamTubePlugin.cpp
+++ b/plugins/ZamTube/ZamTubePlugin.cpp
@@ -78,12 +78,12 @@ void ZamTubePlugin::initParameter(uint32_t index, Parameter& parameter)
     switch (index)
     {
     case paramTubedrive:
-        parameter.hints      = kParameterIsAutomable;
+        parameter.hints      = kParameterIsAutomable | kParameterIsLogarithmic;
         parameter.name       = "Tube Drive";
         parameter.symbol     = "tubedrive";
         parameter.unit       = " ";
-        parameter.ranges.def = 0.0f;
-        parameter.ranges.min = 0.0f;
+        parameter.ranges.def = 0.1f;
+        parameter.ranges.min = 0.1f;
         parameter.ranges.max = 11.0f;
         break;
     case paramBass:
@@ -218,7 +218,7 @@ void ZamTubePlugin::loadProgram(uint32_t index)
         return;
 
     /* Default parameter values */
-    tubedrive = 0.0f;
+    tubedrive = 0.1f;
     bass = 5.f;
     middle = 5.f;
     treble = 5.f;
diff --git a/plugins/ZamTube/ZamTubeUI.cpp b/plugins/ZamTube/ZamTubeUI.cpp
index 4b6de0c..3cd41d0 100644
--- a/plugins/ZamTube/ZamTubeUI.cpp
+++ b/plugins/ZamTube/ZamTubeUI.cpp
@@ -49,10 +49,11 @@ ZamTubeUI::ZamTubeUI()
     // knobs
     fKnobTube = new ZamKnob(this, knobImage);
     fKnobTube->setAbsolutePos(177, 76);
-    fKnobTube->setRange(0.f, 11.0f);
+    fKnobTube->setRange(0.1f, 11.0f);
     fKnobTube->setLabel(true);
     fKnobTube->setScrollStep(1.0f);
-    fKnobTube->setDefault(0.0f);
+    fKnobTube->setUsingLogScale(true);
+    fKnobTube->setDefault(0.1f);
     fKnobTube->setRotationAngle(240);
     fKnobTube->setCallback(this);
 
@@ -150,7 +151,7 @@ void ZamTubeUI::programLoaded(uint32_t index)
         return;
 
     // Default values
-    fKnobTube->setValue(0.0f);
+    fKnobTube->setValue(0.1f);
     fKnobBass->setValue(5.f);
     fKnobMids->setValue(5.f);
     fKnobTreb->setValue(5.f);