Implement MidiNote MenuItem

midi2cv/menu/menu.cc

@@ -2,37 +2,37 @@
 #include <algorithm>
 #include <u8g2.h>
 
-#define MENU_ITEM_HEIGHT 12
+const int kMenuItemHeight = 12;
 
 void Menu::render(u8g2_t* u8g2_, uint8_t xStart, uint8_t yStart, uint8_t width, uint8_t height)
 {
   this->width = width;
   this->height = height;
 
-  uint8_t maxVisibleItems = height / MENU_ITEM_HEIGHT;
+  uint8_t maxVisibleItems = height / kMenuItemHeight;
 
   uint8_t itemsToRender = std::min(maxVisibleItems, uint8_t(this->itemCount - currentScrollStart));
   u8g2_SetFont(u8g2_, u8g2_font_6x12_tf);
   for (uint8_t i = 0; i < itemsToRender; i++) {
     bool selected = this->selectedItem == (i + this->currentScrollStart);
     bool editing = this->currentEditingItem == (i + this->currentScrollStart);
-    uint8_t yPosition = yStart + i * MENU_ITEM_HEIGHT;
+    uint8_t yPosition = yStart + i * kMenuItemHeight;
 
     AbstractMenuItem* item = this->items[i + this->currentScrollStart];
 
     u8g2_SetDrawColor(u8g2_, selected ? 1 : 0);
 
     if (editing) {
-      u8g2_DrawFrame(u8g2_, xStart, yPosition, width, MENU_ITEM_HEIGHT);
+      u8g2_DrawFrame(u8g2_, xStart, yPosition, width, kMenuItemHeight);
     } else if (selected) {
-      u8g2_DrawBox(u8g2_, xStart, yPosition, width, MENU_ITEM_HEIGHT);
+      u8g2_DrawBox(u8g2_, xStart, yPosition, width, kMenuItemHeight);
     }
 
     u8g2_SetDrawColor(u8g2_, editing || !selected ? 1 : 0);
-    u8g2_DrawStr(u8g2_, xStart + 2, yPosition + MENU_ITEM_HEIGHT - 3, item->get_label());
+    u8g2_DrawStr(u8g2_, xStart + 2, yPosition + kMenuItemHeight - 3, item->get_label());
 
     uint8_t valueStringWidth = u8g2_GetStrWidth(u8g2_, item->get_string_representation());
-    u8g2_DrawStr(u8g2_, xStart + width - valueStringWidth - 2, yPosition + MENU_ITEM_HEIGHT - 3, item->get_string_representation());
+    u8g2_DrawStr(u8g2_, xStart + width - valueStringWidth - 2, yPosition + kMenuItemHeight - 3, item->get_string_representation());
   }
 }
 
@@ -58,7 +58,7 @@ void Menu::down()
   if (this->currentEditingItem >= 0) {
     this->items[this->selectedItem]->increase();
   } else {
-    uint8_t maxVisibleItems = height / MENU_ITEM_HEIGHT;
+    uint8_t maxVisibleItems = height / kMenuItemHeight;
     if (this->selectedItem < this->itemCount - 1) {
       if (this->selectedItem - this->currentScrollStart == maxVisibleItems - 2 && this->itemCount - this->currentScrollStart > maxVisibleItems) {
         this->currentScrollStart++;
@@ -87,4 +87,3 @@ bool Menu::back()
   }
   return true;
 }
-

midi2cv/menu/menu_items.h

@@ -102,6 +102,44 @@ class UIntMenuItem : public NumberMenuItem<uint32_t> {
       : NumberMenuItem(_label, _initialValue, _minimumValue, _maximumValue, _step) {};
 };
 
+class MidiNoteMenuItem : public NumberMenuItem<uint8_t> {
+  private:
+  char string_buffer[4];
+  const char* note_strings[12];
+
+  protected:
+  const char* get_format_string() { return ""; }
+
+  public:
+  char* get_string_representation()
+  {
+    uint8_t currentNote = this->get_value();
+    int note = currentNote % 12;
+    int octave = (currentNote / 12) - 1;
+
+    sprintf(this->string_buffer, "%s%d", note_strings[note], octave);
+
+    return this->string_buffer;
+  }
+
+  MidiNoteMenuItem(const char* _label, uint8_t _initialValue)
+      : NumberMenuItem(_label, _initialValue, 0, 127, 1)
+  {
+    note_strings[0] = "C";
+    note_strings[1] = "C#";
+    note_strings[2] = "D";
+    note_strings[3] = "D#";
+    note_strings[4] = "E";
+    note_strings[5] = "F";
+    note_strings[6] = "F#";
+    note_strings[7] = "G";
+    note_strings[8] = "G#";
+    note_strings[9] = "A";
+    note_strings[10] = "A#";
+    note_strings[11] = "B";
+  };
+};
+
 class IntMenuItem : public NumberMenuItem<int32_t> {
   private:
   protected:

midi2cv/ui/part_menu.cc

@@ -5,17 +5,19 @@
 
 PartMenu::PartMenu()
     : menu(128, 64)
-    , item1("wolle", 0, 0, 100, 1)
+    , item_voice_count("Voice Count", 1, 1, 4, 1)
-    , item2("petry", 0, 0, 100, 1)
+    , item_voice_detail("Voice Detail", 1, 1, 4, 1)
-    , item3("schale", 0, 0, 100, 1)
+    , item_midi_filter_enabled("MIDI Filter Enabled", 0, 0, 1, 1)
-    , item4("eine", 0, 0, 100, 1)
+    , item_midi_channel("MIDI Channel", 0, 0, 100, 1)
-    , item5("schale?", 0, 0, 100, 1)
+    , item_midi_lowest_note("MIDI Lowest Note", 0)
+    , item_midi_highest_note("MIDI Highest Note", 0)
 {
-  this->menu.add_item(&this->item1);
+  this->menu.add_item(&this->item_voice_count);
-  this->menu.add_item(&this->item2);
+  this->menu.add_item(&this->item_voice_detail);
-  this->menu.add_item(&this->item3);
+  this->menu.add_item(&this->item_midi_filter_enabled);
-  this->menu.add_item(&this->item4);
+  this->menu.add_item(&this->item_midi_channel);
-  this->menu.add_item(&this->item5);
+  this->menu.add_item(&this->item_midi_lowest_note);
+  this->menu.add_item(&this->item_midi_highest_note);
 }
 
 void PartMenu::up()

midi2cv/ui/part_menu.h

@@ -17,9 +17,10 @@ class PartMenu {
 
   private:
   Menu menu;
-  UIntMenuItem item1;
+  UIntMenuItem item_voice_count;
-  UIntMenuItem item2;
+  UIntMenuItem item_voice_detail;
-  UIntMenuItem item3;
+  UIntMenuItem item_midi_filter_enabled;
-  UIntMenuItem item4;
+  UIntMenuItem item_midi_channel;
-  UIntMenuItem item5;
+  MidiNoteMenuItem item_midi_lowest_note;
+  MidiNoteMenuItem item_midi_highest_note;
 };