feat: on frame listener

src/window/wayland.cpp

@@ -1,6 +1,8 @@
 #include <stdio.h>
+#include <wayland-client-core.h>
 
 #include "state/wayland.h"
+#include "window.h"
 #include "window/wayland.h"
 
 #include "renderer.h"
@@ -88,19 +90,24 @@ WaylandWindowImpl::WaylandWindowImpl(size_t width, size_t height)
   m_toplevel_listener.close = xtoplevel_handle_close;
   m_toplevel_listener.wm_capabilities = xtoplevel_handle_wm_capabilities;
   xdg_toplevel_add_listener(m_toplevel, &m_toplevel_listener, this);
-
-  wl_surface_commit(m_wsurface);
-
-  m_running = true;
 }
 
 WaylandWindowImpl::~WaylandWindowImpl() { m_running = false; }
 
-bool WaylandWindowImpl::Dispatch() {
-  return m_running &&
-         wl_display_dispatch(WaylandState::GetInstance()->m_display) != -1;
+void WaylandWindowImpl::OnFrame(IFrameListener fn) {
+	m_on_frame = fn;
 }
 
+bool WaylandWindowImpl::Dispatch() {
+  wl_surface_commit(m_wsurface);
+
+  m_running = true;
+
+	auto display = WaylandState::GetInstance()->m_display;
+
+	// wl_display_dispatch_pending(display);
+	return wl_display_dispatch(display) != -1; }
+
 size_t WaylandWindowImpl::GetWidth() const {
 	return m_width;
 }
@@ -125,6 +132,8 @@ void WaylandWindowImpl::handle_frame_callback(void *data,
 
   wl_callback_add_listener(frame_callback, &window->m_frame_listener, window);
 
+	if (window->m_on_frame) window->m_on_frame();
+
   GLint angle_loc = glGetUniformLocation(window->m_program, "angle");
 
   static float angle = 0.0f;