GUI: prepare to add different piano label modes

Author: tildearrow

src/gui/gui.cpp

@@ -8351,6 +8351,7 @@ void FurnaceGUI::syncState() {
   pianoOffsetEdit=e->getConfInt("pianoOffsetEdit",pianoOffsetEdit);
   pianoView=e->getConfInt("pianoView",pianoView);
   pianoInputPadMode=e->getConfInt("pianoInputPadMode",pianoInputPadMode);
+  pianoLabelsMode=e->getConfInt("pianoLabelsMode",pianoLabelsMode);
 
   chanOscCols=e->getConfInt("chanOscCols",3);
   chanOscAutoColsType=e->getConfInt("chanOscAutoColsType",0);
@@ -8512,6 +8513,7 @@ void FurnaceGUI::commitState(DivConfig& conf) {
   conf.set("pianoOffsetEdit",pianoOffsetEdit);
   conf.set("pianoView",pianoView);
   conf.set("pianoInputPadMode",pianoInputPadMode);
+  conf.set("pianoLabelsMode",pianoLabelsMode);
 
   // commit per-chan osc state
   conf.set("chanOscCols",chanOscCols);
@@ -9164,6 +9166,7 @@ FurnaceGUI::FurnaceGUI():
   pianoOffsetEdit(9),
   pianoView(PIANO_LAYOUT_AUTOMATIC),
   pianoInputPadMode(PIANO_INPUT_PAD_SPLIT_AUTO),
+  pianoLabelsMode(PIANO_LABELS_OCTAVE),
 #else
   pianoOctaves(7),
   pianoOctavesEdit(4),
@@ -9174,6 +9177,7 @@ FurnaceGUI::FurnaceGUI():
   pianoOffsetEdit(6),
   pianoView(PIANO_LAYOUT_STANDARD),
   pianoInputPadMode(PIANO_INPUT_PAD_DISABLE),
+  pianoLabelsMode(PIANO_LABELS_OCTAVE),
 #endif
   hasACED(false),
   waveGenBaseShape(0),

src/gui/gui.h

@@ -2777,13 +2777,21 @@ class FurnaceGUI {
     PIANO_INPUT_PAD_MAX
   };
 
+  enum PianoLabelsMode {
+    PIANO_LABELS_OFF=0,
+    PIANO_LABELS_OCTAVE,
+    PIANO_LABELS_NOTE,
+    PIANO_LABELS_OCTAVE_C,
+    PIANO_LABELS_OCTAVE_NOTE
+  };
+
   int pianoOctaves, pianoOctavesEdit;
   bool pianoOptions, pianoSharePosition, pianoOptionsSet;
   float pianoKeyHit[180];
   bool pianoKeyPressed[180];
   bool pianoReadonly;
   int pianoOffset, pianoOffsetEdit;
-  int pianoView, pianoInputPadMode;
+  int pianoView, pianoInputPadMode, pianoLabelsMode;
 
   // effect sorting / searching
   bool effectsShow[10];

src/gui/piano.cpp

@@ -130,6 +130,24 @@ void FurnaceGUI::drawPiano() {
             pianoInputPadMode=PIANO_INPUT_PAD_SPLIT_VISIBLE;
           }
           ImGui::Unindent();
+          ImGui::Text(_("Key labels:"));
+          ImGui::Indent();
+          if (ImGui::RadioButton(_("Disabled"),pianoLabelsMode==PIANO_LABELS_OFF)) {
+            pianoLabelsMode=PIANO_LABELS_OFF;
+          }
+          if (ImGui::RadioButton(_("Octaves"),pianoLabelsMode==PIANO_LABELS_OCTAVE)) {
+            pianoLabelsMode=PIANO_LABELS_OCTAVE;
+          }
+          if (ImGui::RadioButton(_("Notes"),pianoLabelsMode==PIANO_LABELS_NOTE)) {
+            pianoLabelsMode=PIANO_LABELS_NOTE;
+          }
+          if (ImGui::RadioButton(_("Octaves (with C)"),pianoLabelsMode==PIANO_LABELS_OCTAVE_C)) {
+            pianoLabelsMode=PIANO_LABELS_OCTAVE_C;
+          }
+          if (ImGui::RadioButton(_("Notes + Octaves"),pianoLabelsMode==PIANO_LABELS_OCTAVE_NOTE)) {
+            pianoLabelsMode=PIANO_LABELS_OCTAVE_NOTE;
+          }
+          ImGui::Unindent();
           ImGui::Checkbox(_("Share play/edit offset/range"),&pianoSharePosition);
           ImGui::Checkbox(_("Read-only (can't input notes)"),&pianoReadonly);
           ImGui::EndPopup();
@@ -268,7 +286,12 @@ void FurnaceGUI::drawPiano() {
               p1.x-=dpiScale;
               dl->AddRectFilled(p0,p1,ImGui::ColorConvertFloat4ToU32(color));
               if ((i%12)==0) {
-                String label=fmt::sprintf("%d",(note-60)/12);
+                String label="";
+                switch (pianoLabelsMode) {
+                  case PIANO_LABELS_OCTAVE:
+                    label=fmt::sprintf("%d",(note-60)/12);
+                    break;
+                }
                 ImVec2 pText=ImLerp(p0,p1,ImVec2(0.5f,1.0f));
                 ImVec2 labelSize=ImGui::CalcTextSize(label.c_str());
                 pText.x-=labelSize.x*0.5f;