Added display of selection function for drum midi notes.

UI.hpp

@@ -3856,6 +3856,49 @@ void UI_handle_OP(uint8_t param) {
 }
 
 #if NUM_DRUMS > 0
+void _check_yes_no_back(uint8_t state) {
+  if (state == 0) {  // BACK
+    display.setCursor(0, 1);
+    display.print(F(" "));
+    display.setCursor(3, 1);
+    display.print(F(" "));
+    display.setCursor(4, 1);
+    display.print(F(" "));
+    display.setCursor(8, 1);
+    display.print(F(" "));
+    display.setCursor(9, 1);
+    display.print(F("["));
+    display.setCursor(14, 1);
+    display.print(F("] "));
+  } else if (state == 1) {  // NO
+    display.setCursor(0, 1);
+    display.print(F("["));
+    display.setCursor(3, 1);
+    display.print(F("]"));
+    display.setCursor(4, 1);
+    display.print(F(" "));
+    display.setCursor(8, 1);
+    display.print(F(" "));
+    display.setCursor(9, 1);
+    display.print(F(" "));
+    display.setCursor(14, 1);
+    display.print(F("  "));
+  } else {  // YES
+    display.setCursor(0, 1);
+    display.print(F(" "));
+    display.setCursor(3, 1);
+    display.print(F(" "));
+    display.setCursor(4, 1);
+    display.print(F("["));
+    display.setCursor(8, 1);
+    display.print(F("]"));
+    display.setCursor(9, 1);
+    display.print(F(" "));
+    display.setCursor(14, 1);
+    display.print(F("  "));
+  }
+}
+
 void _check_display_name(bool display_name, uint8_t digits) {
   if (display_name == true) {
     display.setCursor(0, 1);
@@ -4413,9 +4456,8 @@ void UI_func_drum_midi_note(uint8_t param) {
           num_changes++;
       }
       if (num_changes > 0) {
-        display.show(0, 0, LCD_cols, "Store changes?");
-        display.show(1, 0, LCD_cols, " NO  YES  [BACK]");
         ask_before_quit_mode = 0;
+        _check_yes_no_back(ask_before_quit_mode);
       } else {
         ask_before_quit = false;
         LCDML.FUNC_goBackToMenu();
@@ -4432,24 +4474,23 @@ void UI_func_drum_midi_note(uint8_t param) {
             active_sample++;
         } else if (ask_before_quit_mode >= 0) {
           ++ask_before_quit_mode %= 3;
-          //  TODO: Display selection is missing
+          _check_yes_no_back(ask_before_quit_mode);
         } else {
           configuration.drums.midinote[active_sample] = constrain(configuration.drums.midinote[active_sample] + ENCODER[ENC_L].speed(), DRUMS_MIDI_NOTE_MIN, DRUMS_MIDI_NOTE_MAX);
         }
-
       } else if (LCDML.BT_checkUp()) {
         if (display_name == true) {
           if (active_sample > 0)
             active_sample--;
         } else if (ask_before_quit_mode >= 0) {
           --ask_before_quit_mode %= 3;
-          //  TODO: Display selection is missing
+          _check_yes_no_back(ask_before_quit_mode);
         } else {
           configuration.drums.midinote[active_sample] = constrain(configuration.drums.midinote[active_sample] - ENCODER[ENC_L].speed(), DRUMS_MIDI_NOTE_MIN, DRUMS_MIDI_NOTE_MAX);
         }
       } else if (LCDML.BT_checkEnter()) {
         if (ask_before_quit_mode >= 0) {
-          if (ask_before_quit_mode == 0) {  //NO
+          if (ask_before_quit_mode == 0) {  // NO
             ask_before_quit = false;
             LCDML.FUNC_goBackToMenu();
           } else if (ask_before_quit_mode == 1) {  // YES