C++ (Cpp) WLC_INTERFACE_EMIT_EXCEPT примеры использования

Пример #1

Файл: view.c Проект: snells/wlc

void
wlc_view_commit_state(struct wlc_view *view, struct wlc_view_state *pending, struct wlc_view_state *out)
{
   struct wlc_surface *surface;
   if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
      return;

   // FIXME: handle ping
#if 0
      struct wl_resource *r;
      if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface")))
         wl_shell_surface_send_ping(r, wl_display_next_serial(wlc_display()));

      wlc_dlog(WLC_DBG_COMMIT, "=> ping view %zu", convert_to_wlc_handle(view));
      return;
#endif

   if (!view->state.created) {
      // Initial size of the view
      view->pending.geometry.size = surface->size;
      view->state.created = true;

      if (WLC_INTERFACE_EMIT_EXCEPT(view.created, false, convert_to_wlc_handle(view))) {
         wlc_view_close_ptr(view);
         return;
      }
   }

   if (!memcmp(pending, out, sizeof(struct wlc_view_state)))
      return;

   if (pending->state != out->state) {
      const struct {
         uint32_t bit;
         uint32_t state;
      } map[] = {
         { WLC_BIT_MAXIMIZED, XDG_SURFACE_STATE_MAXIMIZED },
         { WLC_BIT_FULLSCREEN, XDG_SURFACE_STATE_FULLSCREEN },
         { WLC_BIT_RESIZING, XDG_SURFACE_STATE_RESIZING },
         { WLC_BIT_ACTIVATED, XDG_SURFACE_STATE_ACTIVATED },
         { 0, 0 },
      };

      chck_iter_pool_flush(&view->wl_state);

      for (uint32_t i = 0; map[i].state != 0; ++i) {
         if (pending->state & map[i].bit)
            chck_iter_pool_push_back(&view->wl_state, &map[i].state);
      }
   }

   const bool size_changed = (!wlc_size_equals(&pending->geometry.size, &out->geometry.size) || !wlc_size_equals(&pending->geometry.size, &surface->size));
   wlc_dlog(WLC_DBG_COMMIT, "=> pending commit %zu (%d) pending: %ux%u commited: %ux%u surface: %ux%u", convert_to_wlc_handle(view), size_changed, pending->geometry.size.w, pending->geometry.size.h, out->geometry.size.w, out->geometry.size.h, surface->size.w, surface->size.h);

   if (pending->state != out->state || size_changed) {
      struct wl_resource *r;
      if (view->xdg_surface && (r = wl_resource_from_wlc_resource(view->xdg_surface, "xdg-surface"))) {
         const uint32_t serial = wl_display_next_serial(wlc_display());
         struct wl_array states = { .size = view->wl_state.items.used, .alloc = view->wl_state.items.allocated, .data = view->wl_state.items.buffer };
         xdg_surface_send_configure(r, pending->geometry.size.w, pending->geometry.size.h, &states, serial);
      } else if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface"))) {
         wl_shell_surface_send_configure(r, pending->edges, pending->geometry.size.w, pending->geometry.size.h);
      }
   }

   if (view->x11.id) {
      if (!wlc_origin_equals(&pending->geometry.origin, &out->geometry.origin))
         wlc_x11_window_position(&view->x11, pending->geometry.origin.x, pending->geometry.origin.y);

      if (size_changed)
         wlc_x11_window_resize(&view->x11, pending->geometry.size.w, pending->geometry.size.h);
   }

   memcpy(out, pending, sizeof(struct wlc_view_state));
   wlc_dlog(WLC_DBG_COMMIT, "=> commit %zu", convert_to_wlc_handle(view));
}

Пример #2

Файл: view.c Проект: scarabeusiv/wlc

void
wlc_view_commit_state(struct wlc_view *view, struct wlc_view_state *pending, struct wlc_view_state *out)
{
   assert(view && pending && out);

   struct wlc_surface *surface;
   if (!(surface = convert_from_wlc_resource(view->surface, "surface")))
      return;

   // FIXME: handle ping
#if 0
      struct wl_resource *r;
      if (view->shell_surface && (r = wl_resource_from_wlc_resource(view->shell_surface, "shell-surface")))
         wl_shell_surface_send_ping(r, wl_display_next_serial(wlc_display()));

      wlc_dlog(WLC_DBG_COMMIT, "=> ping view %" PRIuWLC, convert_to_wlc_handle(view));
      return;
#endif

   if (!view->state.created) {
      // Initial size of the view
      view->pending.geometry.size = surface->size;
      view->state.created = true;

      if (WLC_INTERFACE_EMIT_EXCEPT(view.created, false, convert_to_wlc_handle(view))) {
         wlc_view_close_ptr(view);
         return;
      }
   }

   if (!memcmp(pending, out, sizeof(struct wlc_view_state)))
      return;

   if (pending->state != out->state) {
      const struct {
         enum wlc_view_state_bit bit;
         uint32_t state;
      } map[] = {
         { WLC_BIT_MAXIMIZED, XDG_SURFACE_STATE_MAXIMIZED },
         { WLC_BIT_FULLSCREEN, XDG_SURFACE_STATE_FULLSCREEN },
         { WLC_BIT_RESIZING, XDG_SURFACE_STATE_RESIZING },
         { WLC_BIT_ACTIVATED, XDG_SURFACE_STATE_ACTIVATED },
      };

      chck_iter_pool_flush(&view->wl_state);

      for (uint32_t i = 0; i < LENGTH(map); ++i) {
         if (pending->state & map[i].bit)
            chck_iter_pool_push_back(&view->wl_state, &map[i].state);
      }
   }

   const bool size_changed = (!wlc_size_equals(&pending->geometry.size, &out->geometry.size) || !wlc_size_equals(&pending->geometry.size, &surface->size));
   wlc_dlog(WLC_DBG_COMMIT, "=> pending view commit %" PRIuWLC " (%d) pending: %ux%u commited: %ux%u surface: %ux%u", convert_to_wlc_handle(view), size_changed, pending->geometry.size.w, pending->geometry.size.h, out->geometry.size.w, out->geometry.size.h, surface->size.w, surface->size.h);

   if (pending->state != out->state || size_changed)
      configure_view(view, pending->edges, &pending->geometry);

   *out = *pending;
   wlc_dlog(WLC_DBG_COMMIT, "=> commit view %" PRIuWLC, convert_to_wlc_handle(view));
}