From a68d6997a50a348caf541e3f7412fb234dc1c6f4 Mon Sep 17 00:00:00 2001
From: Abdelrahman <said.abdelrahman89@gmail.com>
Date: Sun, 25 Feb 2024 20:52:25 +0000
Subject: [PATCH] Add different return states for ui_noodle

---
 include/ui.h | 13 ++++++++++---
 src/ui.c     | 17 +++++++++--------
 2 files changed, 19 insertions(+), 11 deletions(-)

diff --git a/include/ui.h b/include/ui.h
index 39b9437..e6765c2 100644
--- a/include/ui.h
+++ b/include/ui.h
@@ -21,6 +21,8 @@
 typedef enum ui_elem_type ui_elem_type;
 typedef struct ui_elem ui_elem;
 typedef struct ui_ctx ui_ctx;
+typedef struct ui_elem_colours ui_elem_colours;
+typedef enum noodle_action noodle_action;
 
 enum ui_elem_type {
   UI_ELEM_NODE,
@@ -39,12 +41,17 @@ struct ui_elem {
   ui_elem_type type;
 };
 
-typedef struct ui_elem_colours ui_elem_colours;
 struct ui_elem_colours {
   colour fill;
   colour border;
 };
 
+enum noodle_action {
+  NOODLE_ACTION_NONE,
+  NOODLE_ACTION_DRAGGING,
+  NOODLE_ACTION_RELEASED,
+};
+
 struct ui_ctx {
   u64 count;
   i64 hovered;
@@ -66,7 +73,7 @@ bool ui_button(const window *wnd, ui_ctx *ctx, rect rect,
                ui_elem_colours colours);
 bool ui_node(const window *wnd, ui_ctx *ctx, rect rect,
              ui_elem_colours colours);
-bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
-               rect parent_node);
+noodle_action ui_noodle(const window *wnd, ui_ctx *ctx, line ln,
+                        ui_elem_colours colours, rect parent_node);
 
 #endif // !UI_H
diff --git a/src/ui.c b/src/ui.c
index d0848cb..ebb095a 100644
--- a/src/ui.c
+++ b/src/ui.c
@@ -141,10 +141,10 @@ bool ui_node(const window *wnd, ui_ctx *ctx, rect rect,
   return false;
 }
 
-bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
-               rect parent_node) {
+noodle_action ui_noodle(const window *wnd, ui_ctx *ctx, line ln,
+                        ui_elem_colours colours, rect parent_node) {
   if (ctx->count + 1 >= MAX_UI_ELEMENTS) {
-    return false;
+    return NOODLE_ACTION_NONE;
   }
 
   u64 id = get_id(ctx);
@@ -220,24 +220,25 @@ bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
   }
 
   if (wnd != ctx->wnd || (ctx->active >= 0 && ctx->active != id)) {
-    return false;
+    return NOODLE_ACTION_NONE;
   }
 
   if (ctx->mouse_up) {
     if (ctx->hovered == ctx->active && ctx->hovered == id) {
       ctx->hovered = ctx->active = -1;
+      return NOODLE_ACTION_RELEASED;
     }
 
-    return true;
+    return NOODLE_ACTION_NONE;
   }
 
   if (ctx->hovered == id && ctx->active == id) {
-    return true;
+    return NOODLE_ACTION_DRAGGING;
   }
 
   if (!aabb(bounding_box, ctx->mouse_x, ctx->mouse_y) ||
       aabb(parent_node, ctx->mouse_x, ctx->mouse_y)) {
-    return false;
+    return NOODLE_ACTION_NONE;
   }
 
   ctx->hovered = id;
@@ -246,7 +247,7 @@ bool ui_noodle(const window *wnd, ui_ctx *ctx, line ln, ui_elem_colours colours,
     ctx->active = id;
   }
 
-  return false;
+  return NOODLE_ACTION_NONE;
 }
 
 internal u64 get_id(ui_ctx *ctx) {