Tweak value-as-string dB and float decimals printing

diff --git a/libs/ardour/ardour/value_as_string.h b/libs/ardour/ardour/value_as_string.h
index 9e042b78fa2acf39d9420cfcbe715d17ef52b3d4..0dd23e298052e0b365ba873a7899211e74d6bdec 100644 (file)
--- a/libs/ardour/ardour/value_as_string.h
+++ b/libs/ardour/ardour/value_as_string.h
@@ -23,6 +23,7 @@
 
 #include <stddef.h>
 
+#include "ardour/dB.h"
 #include "ardour/parameter_descriptor.h"
 
 namespace ARDOUR {
@@ -47,10 +48,16 @@ value_as_string(const ARDOUR::ParameterDescriptor& desc,
        // Value is not a scale point, print it normally
        if (desc.unit == ARDOUR::ParameterDescriptor::MIDI_NOTE) {
                snprintf(buf, sizeof(buf), "%s", ParameterDescriptor::midi_note_name (rint(v)).c_str());
+       } else if (desc.type == GainAutomation || desc.type == TrimAutomation || desc.type == EnvelopeAutomation) {
+               snprintf(buf, sizeof(buf), "%.1f dB", accurate_coefficient_to_dB (v));
        } else if (!desc.print_fmt.empty()) {
                snprintf(buf, sizeof(buf), desc.print_fmt.c_str(), v);
        } else if (desc.integer_step) {
                snprintf(buf, sizeof(buf), "%d", (int)v);
+       } else if (desc.upper - desc.lower >= 1000) {
+               snprintf(buf, sizeof(buf), "%.1f", v);
+       } else if (desc.upper - desc.lower >= 100) {
+               snprintf(buf, sizeof(buf), "%.2f", v);
        } else {
                snprintf(buf, sizeof(buf), "%.3f", v);
        }