[ui] sliders update ui (while playing)

Amuencha/AmuenchaModel.cpp

@@ -4,15 +4,6 @@ namespace Amuencha
 {
 void Analyser::operator()(halp::tick t)
 {
-  if (inputs.min != previous_min ||
-     inputs.max != previous_max)
-  {
-    send_message(processor_to_ui{.min = inputs.min,
-                                 .max = inputs.max});
-    previous_min = inputs.min;
-    previous_max = inputs.max;
-  }
-
   // Process the input buffer
   auto* in = inputs.audio[0];
 

Amuencha/AmuenchaModel.hpp

@@ -20,8 +20,22 @@ public:
   struct ins
   {
     halp::fixed_audio_bus<"Input", double, 1> audio;
-    halp::hslider_i32<"Min", halp::range{.min = 0, .max = 127, .init = 24}> min;
+    struct : halp::hslider_i32<"Min", halp::range{.min = 0, .max = 127, .init = 24}>
-    halp::hslider_i32<"Max", halp::range{.min = 0, .max = 127, .init = 72}> max;
+    {
+      void update(Analyser& self)
+      {
+        self.send_message({.min = this->value, .max = self.inputs.max.value});
+      }
+    } min;
+    struct : halp::hslider_i32<"Min", halp::range{.min = 0, .max = 127, .init = 72}>
+    {
+      void update(Analyser& self)
+      {
+        self.send_message({.min = self.inputs.min.value, .max = this->value});
+      }
+    } max;
+    // halp::hslider_i32<"Min", halp::range{.min = 0, .max = 127, .init = 24}> min;
+    // halp::hslider_i32<"Max", halp::range{.min = 0, .max = 127, .init = 72}> max;
   } inputs;
 
   // This one will be memcpy'd as it is a trivial type
@@ -52,9 +66,6 @@ public:
 
   // UI is defined in another file to keep things clear.
   struct ui;
-
-private:
-  double previous_min{24}, previous_max{72};
 };
 
 }

Amuencha/SpiralDisplay.cpp

@@ -99,18 +99,21 @@ void Amuencha::SpiralDisplay::power_handler(int ID, const std::vector<float> &re
     // reassigned frequencies are never too far off the original
     //if (rf>display_bins[idx] && rf<display_bins[idx+1]) ri = idx;
     //else...
-    while (rf<display_bins[ri])
+    while (rf < display_bins[ri])
     {
       --ri;
-      if (ri==-1) break;
+      if (ri == -1) break;
     }
-    if (ri==-1) continue; // ignore this frequency, it is below display min
+
-    while (rf>display_bins[ri+1])
+    if (ri == -1) continue; // ignore this frequency, it is below display min
+
+    while (rf > display_bins[ri+1])
     {
       ++ri;
-      if (ri==nidx) break;
+      if (ri == nidx) break;
     }
-    if (ri==nidx) continue; // ignore this frequency, it is above display max
+
+    if (ri == nidx) continue; // ignore this frequency, it is above display max
 
     // Normalization:
     // - for a given frequency, the sine/window size dependency was already