From b83958d07ec0e4dcc185f40928a84d1bcdd48675 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Mon, 24 Apr 2023 12:42:16 +0200
Subject: Add transposition of channel notes with SEL + L/R

---
 src/sequencer.c | 56 +++++++++++++++++++++++++++++++++++++++-----------------
 1 file changed, 39 insertions(+), 17 deletions(-)

(limited to 'src/sequencer.c')

diff --git a/src/sequencer.c b/src/sequencer.c
index d3f2483..8f2b183 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -185,32 +185,63 @@ get_current_trig(void) {
 
 void
 handle_channel_selection(void) {
+    Pattern *pat = &patterns[pattern_selection_loc];
     if (key_tap(KEY_B)) {
         if (key_hold(KEY_SELECT)) {
             clipboard_copy();
         } else {
             switch (channel_selection_loc) {
                 case 0: {
-                    patterns[pattern_selection_loc].ch1.active ^= 1;
+                    pat->ch1.active ^= 1;
                 } break;
                 case 1: {
-                    patterns[pattern_selection_loc].ch2.active ^= 1;
+                    pat->ch2.active ^= 1;
                 } break;
                 case 2: {
-                    patterns[pattern_selection_loc].ch3.active ^= 1;
+                    pat->ch3.active ^= 1;
                 } break;
                 case 3: {
-                    patterns[pattern_selection_loc].ch4.active ^= 1;
+                    pat->ch4.active ^= 1;
                 } break;
             }
             redraw_channels = true;
         }
-    } else {
-        if (key_tap(KEY_A)) {
-            if (key_hold(KEY_SELECT)) {
-                clipboard_paste();
+    } else if (key_tap(KEY_A)) {
+        if (key_hold(KEY_SELECT)) {
+            clipboard_paste();
+        }
+    } else if (key_tap(KEY_L)) {
+        s32 inc = -1;
+        if (key_hold(KEY_SELECT)) {
+            inc = -12;
+        }
+        for (size_t i = 0; i < 16; i++) {
+            TriggerNote *trig;
+            switch (channel_selection_loc) {
+                case 0: { trig = &pat->ch1.notes[i]; } break;
+                case 1: { trig = &pat->ch2.notes[i]; } break;
+                case 2: { trig = &pat->ch3.notes[i]; } break;
+                case 3: { trig = &pat->ch4.notes[i]; } break;
             }
+            trig->note = MAX((s32)trig->note + inc, (s32)NOTE_C_2);
+        }
+        redraw_trigs = true;
+    } else if (key_tap(KEY_R)) {
+        s32 inc = 1;
+        if (key_hold(KEY_SELECT)) {
+            inc = 12;
+        }
+        for (size_t i = 0; i < 16; i++) {
+            TriggerNote *trig;
+            switch (channel_selection_loc) {
+                case 0: { trig = &pat->ch1.notes[i]; } break;
+                case 1: { trig = &pat->ch2.notes[i]; } break;
+                case 2: { trig = &pat->ch3.notes[i]; } break;
+                case 3: { trig = &pat->ch4.notes[i]; } break;
+            }
+            trig->note = MIN((s32)trig->note + inc, (s32)NOTE_C_8 - 1);
         }
+        redraw_trigs = true;
     }
     if (key_tap(KEY_RIGHT)) {
         trig_selection_loc = 0;
@@ -887,15 +918,6 @@ handle_sequencer_input(void) {
             clipboard_copy();
         }
         input_handler();
-    //     // if (input_handler == handle_right_col_selection) {
-    //     //     input_handler();
-    //     // }
-    //     // // Clipboard combo.
-    //     // else if (key_tap(KEY_A)) {
-    //     //     clipboard_paste();
-    //     // } else if (key_tap(KEY_B)){
-    //     //     clipboard_copy();
-    //     // }
     } else {
         input_handler();
     }
-- 
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