From 8fa42f9f9107f460b49fa7ab171529942e66e7ea Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Wed, 12 Jul 2023 19:34:25 +0200
Subject: Add optional help prompt to the notif bar

---
 src/drawing.c   | 39 ++++++++++++++++++++++++++++++++++-----
 src/main.c      |  1 +
 src/sequencer.c |  1 +
 src/settings.c  | 14 ++++++++++++++
 src/settings.h  | 15 ++++++++++++++-
 5 files changed, 64 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/drawing.c b/src/drawing.c
index b488ed1..18504bc 100644
--- a/src/drawing.c
+++ b/src/drawing.c
@@ -1261,11 +1261,40 @@ draw_notif_bar() {
         }
         txt_drawf_small(msg, x0 + 2, y0 + 1, color);
     } else {
-        // if (notif.time > -16) {
-        //     notif.time--;
-        //     return;
-        // }
-        // TODO: More context dependent messages? Use instructions?
+        if (settings.help == HELP_ON) {
+            if (input_handler == handle_trigger_selection ||
+                input_handler == handle_channel_selection) {
+                txt_drawf_small("L/R:NOTE  A:PARAMS  B:TOGGLE", x0 + 2, y0 + 1, color);
+            } else if (input_handler == handle_param_selection_sq1 ||
+                    input_handler == handle_param_selection_sq2 ||
+                    input_handler == handle_param_selection_wave ||
+                    input_handler == handle_param_selection_noise) {
+                txt_drawf_small("L/R:ADJUST  SELECT:COPY", x0 + 2, y0 + 1, color);
+            } else if (input_handler == handle_pattern_selection) {
+                txt_drawf_small("L/R:CHAIN  A:PARAMS  B:QUEUE", x0 + 2, y0 + 1, color);
+            } else if (input_handler == handle_right_col_selection) {
+                if (right_col_selection_loc == R_COL_STOP) {
+                    txt_drawf_small("B:STOP", x0 + 2, y0 + 1, color);
+                } else if (right_col_selection_loc == R_COL_PLAY) {
+                    if (play_status == 0) {
+                        txt_drawf_small("B:PLAY", x0 + 2, y0 + 1, color);
+                    } else {
+                        txt_drawf_small("B:PAUSE", x0 + 2, y0 + 1, color);
+                    }
+                } else if (right_col_selection_loc == R_COL_BPM) {
+                    txt_drawf_small("L/R:TEMPO", x0 + 2, y0 + 1, color);
+                } else if (right_col_selection_loc == R_COL_SETTINGS) {
+                    txt_drawf_small("B:SETTINGS", x0 + 2, y0 + 1, color);
+                } else if (right_col_selection_loc == R_COL_BANK_A ||
+                        right_col_selection_loc == R_COL_BANK_B ||
+                        right_col_selection_loc == R_COL_BANK_C ||
+                        right_col_selection_loc == R_COL_BANK_D) {
+                    txt_drawf_small("B:SAVE CURRENT BANK AND SWITCH", x0 + 2, y0 + 1, color);
+                }
+            }
+            return;
+        }
+
         if (play_status == 0) {
             txt_drawf_small("STOPPED", x0 + 2, y0 + 1, color);
         } else {
diff --git a/src/main.c b/src/main.c
index 2e78b3c..54d46e6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -115,6 +115,7 @@ render_settings(void) {
     txt_printf("  SYNC:   %s\n\n", sync_setting_str[settings.sync]);
     txt_printf("  THEME:  %s\n\n", theme_setting_str[settings.theme]);
     txt_printf("  CURSOR: %s\n\n", cursor_setting_str[settings.cursor]);
+    txt_printf("  HELP:   %s\n\n", help_setting_str[settings.help]);
     txt_render();
     txt_clear();
     PROF(draw_settings_cursor(), draw_cursor_cycles);
diff --git a/src/sequencer.c b/src/sequencer.c
index a22c219..5b70bb2 100644
--- a/src/sequencer.c
+++ b/src/sequencer.c
@@ -70,6 +70,7 @@ play_step(void) {
                 | sound_rates[trig->note];
         }
     } else {
+        SOUND_SQUARE1_SWEEP = 0;
         SOUND_SQUARE1_CTRL = 0;
         SOUND_SQUARE1_FREQ = 0;
     }
diff --git a/src/settings.c b/src/settings.c
index 2c698d1..d2491b8 100644
--- a/src/settings.c
+++ b/src/settings.c
@@ -102,6 +102,13 @@ handle_settings_input(void) {
                     settings.cursor++;
                 }
             } break;
+            case 3: {
+                if ((settings.help + 1) >= HELP_NUM) {
+                    settings.help = 0;
+                } else {
+                    settings.help++;
+                }
+            } break;
         }
         save_metadata();
         clear_screen = true;
@@ -131,6 +138,13 @@ handle_settings_input(void) {
                     settings.cursor--;
                 }
             } break;
+            case 3: {
+                if (settings.help == 0) {
+                    settings.help = HELP_NUM - 1;
+                } else {
+                    settings.help--;
+                }
+            } break;
         }
         save_metadata();
         clear_screen = true;
diff --git a/src/settings.h b/src/settings.h
index 1a45d75..c3e035e 100644
--- a/src/settings.h
+++ b/src/settings.h
@@ -1,7 +1,7 @@
 #ifndef SETTINGS_H
 #define SETTINGS_H
 
-#define N_SETTINGS 3
+#define N_SETTINGS 4
 
 typedef enum SyncSetting {
     SYNC_NONE = 0,
@@ -62,10 +62,23 @@ char * cursor_setting_str[] = {
     "THICK LINE",
 };
 
+typedef enum HelpSetting {
+    HELP_OFF = 0,
+    HELP_ON,
+    HELP_NUM,
+} HelpSetting;
+
+char * help_setting_str[] = {
+    "OFF",
+    "ON",
+};
+
 typedef struct Settings {
     SyncSetting sync;
     ThemeSetting theme;
     CursorSetting cursor;
+    HelpSetting help;
+    u8 reserved[63];
 } Settings;
 
 #endif // SETTINGS_H
-- 
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