From c059e3aa7f93da470f052a5cd8ee0d8dc969e679 Mon Sep 17 00:00:00 2001
From: Berke Güzel <wenekar1@gmail.com>
Date: Tue, 13 Oct 2026 13:44:13 +0300
Subject: rename and simplification

---
 examples/game.c          |  2 +-
 examples/hello.c         | 12 +++++++-----
 examples/notepad.c       |  2 +-
 examples/simple_window.c | 16 ++++++++--------
 examples/tablet.c        |  8 +++++---
 5 files changed, 22 insertions(+), 18 deletions(-)

(limited to 'examples')

diff --git a/examples/game.c b/examples/game.c
index bb6c729..7ec28e1 100644
--- a/examples/game.c
+++ b/examples/game.c
@@ -145,7 +145,7 @@ static int on_init(void *ud, struct yasl_display *d)
     struct game_state *game = ud;
     game->display = d;
 
-    struct yasl_surface_spec spec = {
+    struct yasl_window_spec spec = {
         .title = "YASL 3D Game Loop (Approach A)",
         .size = {800, 600},
     };
diff --git a/examples/hello.c b/examples/hello.c
index 67ac88b..0c474c2 100644
--- a/examples/hello.c
+++ b/examples/hello.c
@@ -72,17 +72,19 @@ int main(int argc, char **argv)
         perror("yasl_display_open");
         return 1;
     }
-    struct yasl_surface_spec spec = {.title = "Hello YASL", .size = {640, 480}};
+    struct yasl_window_cbs callbacks = {
+        .draw = draw, .configure = configure, .close = close_window,
+    };
+    struct yasl_window_spec spec = {
+        .title = "Hello YASL", .size = {640, 480},
+        .cbs = &callbacks, .ud = &app,
+    };
     struct yasl_surface *surface = yasl_surface_create_toplevel(display, &spec);
     if (!surface) {
         perror("yasl_surface_create_toplevel");
         yasl_display_close(display);
         return 1;
     }
-    struct yasl_surface_cbs callbacks = {
-        .draw = draw, .configure = configure, .close = close_window,
-    };
-    yasl_surface_set_callbacks(surface, &callbacks, &app);
     yasl_surface_schedule_redraw(surface);
 
     while (app.running) {
diff --git a/examples/notepad.c b/examples/notepad.c
index beb7051..6fb90e9 100644
--- a/examples/notepad.c
+++ b/examples/notepad.c
@@ -995,7 +995,7 @@ static int on_init(void *ud, struct yasl_display *d)
     struct editor *ed = ud;
     ed->display = d;
 
-    struct yasl_surface_spec spec = {
+    struct yasl_window_spec spec = {
         .title = "Untitled - YASL Notepad",
         .size = {960, 640},
     };
diff --git a/examples/simple_window.c b/examples/simple_window.c
index 85db04a..797de3b 100644
--- a/examples/simple_window.c
+++ b/examples/simple_window.c
@@ -120,23 +120,23 @@ int main(void)
         return 1;
     }
 
-    struct yasl_surface_spec surf_spec = {
+    struct yasl_window_cbs window_cbs = {
+        .draw = on_draw,
+        .configure = on_configure,
+        .close = on_close,
+    };
+    struct yasl_window_spec window_spec = {
         .title = "YASL Interactive Window (Pen & Touch Enabled)",
         .size = { .x = 640, .y = 480 },
+        .cbs = &window_cbs,
     };
-    struct yasl_surface *s = yasl_surface_create_toplevel(d, &surf_spec);
+    struct yasl_surface *s = yasl_surface_create_toplevel(d, &window_spec);
     if (!s) {
         fprintf(stderr, "Failed to create surface\n");
         yasl_display_close(d);
         return 1;
     }
 
-    struct yasl_surface_cbs surf_cbs = {
-        .draw = on_draw,
-        .configure = on_configure,
-        .close = on_close,
-    };
-    yasl_surface_set_callbacks(s, &surf_cbs, NULL);
     yasl_surface_schedule_redraw(s);
 
     printf("=== YASL Demo Running ===\n");
diff --git a/examples/tablet.c b/examples/tablet.c
index 0aae370..256d8f8 100644
--- a/examples/tablet.c
+++ b/examples/tablet.c
@@ -327,11 +327,13 @@ int main(int argc, char **argv)
     if (!display) { perror("Cannot open display"); return 1; }
     app.backend = yasl_display_backend(display);
     app.tablet_supported = (yasl_display_caps(display) & YASL_CAP_TABLET) != 0;
-    struct yasl_surface_spec spec = {.title = "YASL Tablet - pressure and tilt", .size = {900, 640}};
+    struct yasl_window_cbs callbacks = {.draw = draw, .configure = configure, .close = close_window};
+    struct yasl_window_spec spec = {
+        .title = "YASL Tablet - pressure and tilt", .size = {900, 640},
+        .cbs = &callbacks, .ud = &app,
+    };
     struct yasl_surface *surface = yasl_surface_create_toplevel(display, &spec);
     if (!surface) { perror("Cannot create surface"); yasl_display_close(display); return 1; }
-    struct yasl_surface_cbs callbacks = {.draw = draw, .configure = configure, .close = close_window};
-    yasl_surface_set_callbacks(surface, &callbacks, &app);
     yasl_surface_set_cursor(surface, YASL_CURSOR_HIDDEN);
     yasl_surface_schedule_redraw(surface);
     printf("YASL tablet on %s: pressure changes brush width; eraser removes ink.\n"
-- 
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