From dd1775a9927922c14f8679ccbc4d3ca8d5917e20 Mon Sep 17 00:00:00 2001
From: Berke Güzel <wenekar1@gmail.com>
Date: Tue, 13 Oct 2026 21:23:03 +0300
Subject: public api refactor

---
 src/common/backend.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)

(limited to 'src/common/backend.h')

diff --git a/src/common/backend.h b/src/common/backend.h
index 13ce9b5..876a4ca 100644
--- a/src/common/backend.h
+++ b/src/common/backend.h
@@ -10,6 +10,7 @@
 #include <string.h>
 
 struct yasl_backend_ops;
+struct yasl_event_state;
 
 struct yasl_display {
     const struct yasl_backend_ops *ops;
@@ -19,6 +20,9 @@ struct yasl_display {
     void *app_runner;
     /* Backend's copy of yasl_display_spec.app_id, or NULL; for desktop services. */
     const char *app_id;
+    void *callback_ud;
+    struct yasl_event_state *events;
+    struct yasl_surface *surfaces;
 };
 
 struct yasl_surface {
@@ -39,8 +43,41 @@ struct yasl_surface {
     int timer_count;
     int timer_capacity;
     void *app_surface;
+    struct yasl_surface *event_next;
+    uint64_t id;
+    void *userdata;
+    bool popup;
+    bool drawing;
+    bool frame_presented;
+    uint32_t reported_scale;
+    uint64_t draw_index;
+    struct yasl_frame *active_frame;
+    yasl_pacing_mode pacing;
+    yasl_timer_id pacing_timer;
 };
 
+bool yasl_events_open(struct yasl_display *d);
+void yasl_events_close(struct yasl_display *d);
+int yasl_events_error(struct yasl_display *d);
+bool yasl_events_pending(struct yasl_display *d);
+struct yasl_surface *yasl_events_find(struct yasl_display *d, uint64_t id);
+bool yasl_events_register(struct yasl_surface *s);
+void yasl_events_unregister(struct yasl_surface *s);
+bool yasl_events_push(struct yasl_display *d, struct yasl_surface *queue_owner,
+                      const struct yasl_event *event);
+bool yasl_events_poll_surface(struct yasl_surface *s, struct yasl_event *event);
+void yasl_surface_notify_configure(struct yasl_surface *s, struct yasl_geometry geometry);
+void yasl_surface_notify_close(struct yasl_surface *s);
+void yasl_surface_notify_state(struct yasl_surface *s, uint32_t state);
+void yasl_surface_notify_drag(struct yasl_surface *s, enum yasl_drag_event ev, struct yasl_vector2i pos);
+void yasl_surface_notify_drop(struct yasl_surface *s, enum yasl_drop_event ev, struct yasl_vector2i pos);
+void yasl_surface_notify_composition(struct yasl_surface *s, const char *text, int begin, int end);
+void yasl_surface_draw(struct yasl_surface *s, struct yasl_frame *frame);
+void yasl_display_notify_event(struct yasl_display *d, enum yasl_event_type type);
+void yasl_surface_complete_paste(struct yasl_surface *s, uint64_t request_id,
+        enum yasl_transfer_status status, const char *text, size_t len);
+uint64_t yasl_events_request_id(struct yasl_display *d);
+
 void yasl_surface_clear_timers(struct yasl_surface *s);
 struct yasl_surface *yasl_create_toplevel(struct yasl_display *d,
         const struct yasl_window_spec *spec, void *graphics_device);
@@ -74,6 +111,9 @@ struct yasl_backend_ops {
     int (*display_double_click_ms)(const struct yasl_display *d);
     void (*display_copy)(struct yasl_display *d, enum yasl_selection sel, const char *text);
     void (*display_paste)(struct yasl_display *d, enum yasl_selection sel, struct yasl_surface *target);
+    bool (*display_copy_text)(struct yasl_display *d, enum yasl_selection sel, const char *text);
+    bool (*display_request_paste)(struct yasl_display *d, enum yasl_selection sel,
+                                  struct yasl_surface *target, uint64_t request_id);
     bool (*display_drag_start)(struct yasl_display *d, struct yasl_surface *origin, const struct yasl_drag_image *image, const struct yasl_drag_listener *l, void *ud);
     void (*display_drag_cancel)(struct yasl_display *d);
     /* Create with callbacks disabled; common code installs them after return. */
@@ -82,6 +122,11 @@ struct yasl_backend_ops {
     struct yasl_surface *(*surface_create_popup)(struct yasl_surface *parent, const struct yasl_popup_spec *spec);
     bool (*surface_popup_reposition)(struct yasl_surface *popup, const struct yasl_popup_spec *spec);
     void (*surface_destroy)(struct yasl_surface *s);
+    struct input_queue *(*surface_input_queue)(struct yasl_surface *s);
+    bool (*surface_set_size)(struct yasl_surface *s, struct yasl_vector2i size_logical);
+    bool (*surface_set_fullscreen)(struct yasl_surface *s, bool enabled);
+    bool (*surface_set_maximized)(struct yasl_surface *s, bool enabled);
+    bool (*surface_minimize)(struct yasl_surface *s);
     struct yasl_display *(*surface_display)(const struct yasl_surface *s);
     /* Copy only; must not invoke application callbacks. */
     void (*surface_set_callbacks)(struct yasl_surface *s, const struct yasl_window_cbs *cbs, void *ud);
-- 
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