Implement MUSIALIZER_ACT_ON_PRESS feature flag

nob.c

@@ -284,6 +284,9 @@ void generate_default_config(Nob_String_Builder *content)
     nob_sb_append_cstr(content, "\n");
     nob_sb_append_cstr(content, "//// Unfinished feature that enables capturing sound from the mic.\n");
     nob_sb_append_cstr(content, "// #define MUSIALIZER_MICROPHONE\n");
+    nob_sb_append_cstr(content, "\n");
+    nob_sb_append_cstr(content, "//// Activate UI buttons on Press instead of Release just as John Carmack explained https://twitter.com/ID_AA_Carmack/status/1787850053912064005\n");
+    nob_sb_append_cstr(content, "// #define MUSIALIZER_ACT_ON_PRESS\n");
 }
 
 int main(int argc, char **argv)

src/plug.c

@@ -226,7 +226,9 @@ typedef struct {
     float out_smooth[FFT_SIZE];
     float out_smear[FFT_SIZE];
 
+#ifndef MUSIALIZER_ACT_ON_PRESS
     uint64_t active_button_id;
+#endif // MUSIALIZER_ACT_ON_PRESS
 
     Popup_Tray pt;
 
@@ -690,8 +692,9 @@ static int button_with_id(uint64_t id, Rectangle boundary)
 {
     Vector2 mouse = GetMousePosition();
     int hoverover = CheckCollisionPointRec(mouse, boundary);
-    int clicked = 0;
 
+#ifndef MUSIALIZER_ACT_ON_PRESS
+    int clicked = 0;
     if (p->active_button_id == 0) {
         if (hoverover && IsMouseButtonPressed(MOUSE_BUTTON_LEFT)) {
             p->active_button_id = id;
@@ -702,6 +705,9 @@ static int button_with_id(uint64_t id, Rectangle boundary)
             if (hoverover) clicked = 1;
         }
     }
+#else
+    int clicked = hoverover && IsMouseButtonPressed(MOUSE_BUTTON_LEFT);
+#endif // MUSIALIZER_ACT_ON_PRESS
 
     return (clicked<<1) | hoverover;
 }