using cache in build_file, ui metaprogram and generating stacks

src/ui/ui.h

@@ -25,13 +25,14 @@ typedef enum {
 } ui_text_align_t;
 
 typedef enum {
-    ui_op_cut_top,
-    ui_op_cut_bottom,
-    ui_op_cut_left,
-    ui_op_cut_right,
-    ui_op_idle,
-} ui_op_t;
+    ui_lop_cut_top,
+    ui_lop_cut_bottom,
+    ui_lop_cut_left,
+    ui_lop_cut_right,
+    ui_lop_idle,
+} ui_lop_t;
 
+#include "ui.gen.h"
 typedef struct ui_box_t ui_box_t;
 struct ui_box_t {
     ui_box_t *next;
@@ -46,9 +47,8 @@ struct ui_box_t {
 
     ui_box_flags_t  flags;
     b8              created_new;
-    ui_text_align_t text_align;
+    UI_DECL_BOX_MEMBERS
 
-    ui_op_t op;
     r2f32_t full_rect;
     r2f32_t rect;
 
@@ -71,12 +71,14 @@ struct ui_signal_t {
 
 typedef struct ui_t ui_t;
 struct ui_t {
+    app_frame_t *frame;
+
     // building
     ui_box_t root;
     ui_box_t *top;
     app_event_t *event;
-    stack_t(ui_id_t, 32) id_stack;
-    ui_text_align_t pref_text_align;
+
+    UI_DECL_STACKS
 
     // allocation
     ma_arena_t *box_arena;