From ac038887279d43f0a8c346b4392619dfe2e6084a Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Mon, 24 Apr 2023 14:58:59 +0200
Subject: Add per-channel parameter adjustment control

---
 src/sequencer.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 52 insertions(+), 12 deletions(-)

(limited to 'src/sequencer.c')

diff --git a/src/sequencer.c b/src/sequencer.c
index 1280f5f..b5339fa 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -468,13 +468,13 @@ handle_pattern_selection(void) {
     }
 }
 
-void
+bool
 set_param_selection_sq1(size_t i, InputHandler return_handler) {
     // Go back to trigger selection.
     if (key_released(KEY_A)) {
         input_handler = return_handler;
         redraw_params = true;
-        return;
+        return false;
     }
 
     // Cursor movement.
@@ -496,7 +496,9 @@ set_param_selection_sq1(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 6);
         redraw_params = true;
+        return false;
     }
+
     if (key_tap(KEY_UP) || key_tap(KEY_DOWN)) {
         int inc = 0;
         int loc = param_selection_loc;
@@ -519,6 +521,7 @@ set_param_selection_sq1(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 6);
         redraw_params = true;
+        return false;
     }
 
     // Adjust parameter.
@@ -555,16 +558,19 @@ set_param_selection_sq1(size_t i, InputHandler return_handler) {
             } break;
         }
         redraw_params = true;
+        return true;
     }
+
+    return false;
 }
 
-void
+bool
 set_param_selection_sq2(size_t i, InputHandler return_handler) {
     // Go back to trigger selection.
     if (key_released(KEY_A)) {
         input_handler = return_handler;
         redraw_params = true;
-        return;
+        return false;
     }
 
     // Cursor movement.
@@ -578,6 +584,7 @@ set_param_selection_sq2(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 3);
         redraw_params = true;
+        return false;
     }
 
     // Adjust parameter.
@@ -605,10 +612,13 @@ set_param_selection_sq2(size_t i, InputHandler return_handler) {
             } break;
         }
         redraw_params = true;
+        return true;
     }
+
+    return false;
 }
 
-void
+bool
 set_param_selection_wave(size_t i, InputHandler return_handler) {
     Pattern *pat = &patterns[pattern_selection_loc];
 
@@ -616,7 +626,7 @@ set_param_selection_wave(size_t i, InputHandler return_handler) {
     if (key_released(KEY_A)) {
         input_handler = return_handler;
         redraw_params = true;
-        return;
+        return false;
     }
 
     // Cursor movement.
@@ -644,7 +654,9 @@ set_param_selection_wave(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 73);
         redraw_params = true;
+        return false;
     }
+
     if (key_tap(KEY_UP) || key_tap(KEY_DOWN)) {
         int inc = 0;
         int loc = param_selection_loc;
@@ -699,6 +711,7 @@ set_param_selection_wave(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 73);
         redraw_params = true;
+        return false;
     }
 
     // Adjust parameter.
@@ -779,16 +792,19 @@ set_param_selection_wave(size_t i, InputHandler return_handler) {
             *wave_volume = CLAMP(*wave_volume + inc, 0, 4);
         }
         redraw_params = true;
+        return true;
     }
+
+    return false;
 }
 
-void
+bool
 set_param_selection_noise(size_t i, InputHandler return_handler) {
     // Go back to trigger selection.
     if (key_released(KEY_A)) {
         input_handler = return_handler;
         redraw_params = true;
-        return;
+        return false;
     }
 
     // Cursor movement.
@@ -802,6 +818,7 @@ set_param_selection_noise(size_t i, InputHandler return_handler) {
         }
         param_selection_loc = CLAMP(loc + inc, 0, 3);
         redraw_params = true;
+        return false;
     }
 
     // Adjust parameter.
@@ -829,27 +846,50 @@ set_param_selection_noise(size_t i, InputHandler return_handler) {
             } break;
         }
         redraw_params = true;
+        return true;
     }
+
+    return false;
 }
 
 void
 handle_param_selection_ch1() {
-    set_param_selection_sq1(16, handle_channel_selection);
+    Pattern *pat = &patterns[pattern_selection_loc];
+    if (set_param_selection_sq1(16, handle_channel_selection)) {
+        for (size_t i = 0; i < 16; i++) {
+            pat->ch1.params[i] = pat->ch1.params[16];
+        }
+    }
 }
 
 void
 handle_param_selection_ch2() {
-    set_param_selection_sq2(16, handle_channel_selection);
+    Pattern *pat = &patterns[pattern_selection_loc];
+    if (set_param_selection_sq2(16, handle_channel_selection)) {
+        for (size_t i = 0; i < 16; i++) {
+            pat->ch2.params[i] = pat->ch2.params[16];
+        }
+    }
 }
 
 void
 handle_param_selection_ch3() {
-    set_param_selection_wave(16, handle_channel_selection);
+    Pattern *pat = &patterns[pattern_selection_loc];
+    if (set_param_selection_wave(16, handle_channel_selection)) {
+        for (size_t i = 0; i < 16; i++) {
+            pat->ch3.params[i] = pat->ch3.params[16];
+        }
+    }
 }
 
 void
 handle_param_selection_ch4() {
-    set_param_selection_noise(16, handle_channel_selection);
+    Pattern *pat = &patterns[pattern_selection_loc];
+    if (set_param_selection_noise(16, handle_channel_selection)) {
+        for (size_t i = 0; i < 16; i++) {
+            pat->ch4.params[i] = pat->ch4.params[16];
+        }
+    }
 }
 
 void
-- 
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