Add visual feedback and control for scale roots

1 files changed, 19 insertions, 21 deletions

diff --git a/src/sequencer.c b/src/sequencer.c
index 3635657..f3dff04 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -15,7 +15,6 @@ bool redraw_channels = true;
 bool redraw_bank_buttons = true;
 bool redraw_params = true;
 bool redraw_bpm = true;
-bool redraw_piano_note = true;
 bool redraw_scale = true;
 bool update_bpm = false;
 u8 bar_counter = 0;
@@ -352,7 +351,6 @@ play_step(void) {
         bar_counter++;
     }
     step_counter = (step_counter + 1) % 16;
-    redraw_piano_note = true;
 }
 
 void
@@ -457,7 +455,6 @@ handle_channel_selection(void) {
         trig_selection_loc = 0;
         param_selection_loc = 0;
         input_handler = handle_trigger_selection;
-        redraw_piano_note = true;
         redraw_params = true;
     } else if (key_tap(KEY_LEFT)) {
         input_handler = handle_pattern_selection;
@@ -503,7 +500,6 @@ stop_sound(void) {
     SOUND_NOISE_CTRL = 0;
     redraw_play_pause = true;
     redraw_pattern_buttons = true;
-    redraw_piano_note = true;
 }
 
 void
@@ -544,7 +540,6 @@ toggle_playing(void) {
     SOUND_NOISE_CTRL = 0;
     redraw_play_pause = true;
     redraw_pattern_buttons = true;
-    redraw_piano_note = true;
     if (settings.sync == SYNC_IN_LINK) {
         return;
     }
@@ -685,12 +680,18 @@ handle_right_col_selection(void) {
                 }
             } break;
             case R_COL_SCALE: {
-                current_scale--;
-                if (current_scale < 0) {
-                    current_scale = SCALE_NUM - 1;
+                if (key_hold(KEY_SELECT)) {
+                    current_scale_root--;
+                    if (current_scale_root < 0) {
+                        current_scale_root = 11;
+                    }
+                } else {
+                    current_scale--;
+                    if (current_scale < 0) {
+                        current_scale = SCALE_NUM - 1;
+                    }
+                    redraw_scale = true;
                 }
-                // TODO: add root note change & keyboard viz.
-                redraw_scale = true;
             } break;
         }
     } else if (key_tap(KEY_R)) {
@@ -714,11 +715,15 @@ handle_right_col_selection(void) {
                 }
             } break;
             case R_COL_SCALE: {
-                current_scale++;
-                if (current_scale >= SCALE_NUM) {
-                    current_scale = 0;
+                if (key_hold(KEY_SELECT)) {
+                    current_scale_root = (current_scale_root + 1) % 12;
+                } else {
+                    current_scale++;
+                    if (current_scale >= SCALE_NUM) {
+                        current_scale = 0;
+                    }
+                    redraw_scale = true;
                 }
-                redraw_scale = true;
             } break;
         }
     } else if (key_tap(KEY_B)) {
@@ -1293,7 +1298,6 @@ handle_trigger_selection(void) {
             }
             trig->active ^= 1;
             redraw_trigs = true;
-            redraw_piano_note = true;
         }
     } else if (key_tap(KEY_L)) {
         s32 inc = -1;
@@ -1305,7 +1309,6 @@ handle_trigger_selection(void) {
             trig->note = scale_note(trig->note, inc);
         }
         redraw_trigs = true;
-        redraw_piano_note = true;
     } else if (key_tap(KEY_R)) {
         s32 inc = 1;
         if (key_hold(KEY_SELECT)) {
@@ -1316,7 +1319,6 @@ handle_trigger_selection(void) {
             trig->note = scale_note(trig->note, inc);
         }
         redraw_trigs = true;
-        redraw_piano_note = true;
     }
 
     // Move trigger cursor.
@@ -1328,7 +1330,6 @@ handle_trigger_selection(void) {
             trig_selection_loc = MAX(trig_selection_loc - 1, 0);
         }
         redraw_params = true;
-        redraw_piano_note = true;
     } else if (key_tap(KEY_RIGHT)) {
         if (trig_selection_loc != 7 && trig_selection_loc != 15) {
             trig_selection_loc = MIN(trig_selection_loc + 1, 15);
@@ -1340,11 +1341,9 @@ handle_trigger_selection(void) {
             input_handler = handle_right_col_selection;
         }
         redraw_params = true;
-        redraw_piano_note = true;
     } else if (key_tap(KEY_UP) || key_tap(KEY_DOWN)) {
         trig_selection_loc = (trig_selection_loc + 8) % 16;
         redraw_params = true;
-        redraw_piano_note = true;
     } else if (key_tap(KEY_A)) {
         if (key_hold(KEY_SELECT)) {
             if (patterns[pattern_selection_loc].empty) {
@@ -1364,7 +1363,6 @@ handle_trigger_selection(void) {
                 case 3: { input_handler = handle_param_selection_noise; } break;
             }
             redraw_params = true;
-            redraw_piano_note = true;
         }
     }
 }