C++ (Cpp) photos_preview_nav_buttons_fade_out_buttonの例

コード例 #1

ファイル: photos-preview-nav-buttons.c プロジェクト: UIKit0/gnome-photos

static void
photos_preview_nav_buttons_update_visibility (PhotosPreviewNavButtons *self)
{
  PhotosPreviewNavButtonsPrivate *priv = self->priv;
  GtkTreeIter iter;
  GtkTreeIter tmp;

  if (priv->model == NULL
      || priv->current_path == NULL
      || !priv->visible
      || !gtk_tree_model_get_iter (priv->model, &iter, priv->current_path))
    {
      photos_preview_nav_buttons_fade_out_button (self, priv->prev_widget);
      photos_preview_nav_buttons_fade_out_button (self, priv->next_widget);
      photos_preview_nav_buttons_fade_out_button (self, priv->toolbar_widget);
      return;
    }

  photos_preview_nav_buttons_fade_in_button (self, priv->toolbar_widget);

  tmp = iter;
  if (gtk_tree_model_iter_previous (priv->model, &tmp))
      photos_preview_nav_buttons_fade_in_button (self, priv->prev_widget);
  else
      photos_preview_nav_buttons_fade_out_button (self, priv->prev_widget);

  tmp = iter;
  if (gtk_tree_model_iter_next (priv->model, &tmp))
      photos_preview_nav_buttons_fade_in_button (self, priv->next_widget);
  else
      photos_preview_nav_buttons_fade_out_button (self, priv->next_widget);

  if (!priv->hover)
    photos_preview_nav_buttons_queue_auto_hide (self);
}

コード例 #2

static void
photos_preview_nav_buttons_update_visibility (PhotosPreviewNavButtons *self)
{
  PhotosBaseItem *item;
  PhotosBaseItem *next_item;
  PhotosBaseItem *previous_item;

  item = PHOTOS_BASE_ITEM (photos_base_manager_get_active_object (self->item_mngr));
  if (self->old_mode == PHOTOS_WINDOW_MODE_NONE || item == NULL || !self->visible)
    {
      self->enable_prev = FALSE;
      self->enable_next = FALSE;
      goto out;
    }

  previous_item = photos_preview_nav_buttons_get_previous_item (self);
  self->enable_prev = previous_item != NULL;

  next_item = photos_preview_nav_buttons_get_next_item (self);
  self->enable_next = next_item != NULL;

 out:
  if (self->visible_internal && self->enable_next)
    photos_preview_nav_buttons_fade_in_button (self, self->next_widget);
  else
    photos_preview_nav_buttons_fade_out_button (self, self->next_widget);

  if (self->visible_internal && self->enable_prev)
    photos_preview_nav_buttons_fade_in_button (self, self->prev_widget);
  else
    photos_preview_nav_buttons_fade_out_button (self, self->prev_widget);

  g_simple_action_set_enabled (G_SIMPLE_ACTION (self->load_next), self->enable_next);
  g_simple_action_set_enabled (G_SIMPLE_ACTION (self->load_previous), self->enable_prev);
}

コード例 #3

ファイル: photos-preview-nav-buttons.c プロジェクト: UIKit0/gnome-photos

static gboolean
photos_preview_nav_buttons_auto_hide (PhotosPreviewNavButtons *self)
{
  PhotosPreviewNavButtonsPrivate *priv = self->priv;

  photos_preview_nav_buttons_fade_out_button (self, priv->prev_widget);
  photos_preview_nav_buttons_fade_out_button (self, priv->next_widget);
  photos_preview_nav_buttons_fade_out_button (self, priv->toolbar_widget);
  priv->auto_hide_id = 0;
  return G_SOURCE_REMOVE;
}

コード例 #4

ファイル: photos-preview-nav-buttons.c プロジェクト: kleopatra999/gnome-photos

static void
photos_preview_nav_buttons_update_visibility (PhotosPreviewNavButtons *self)
{
  GtkTreeIter iter;
  GtkTreeIter tmp;
  GtkTreePath *current_path = NULL;

  if (self->model == NULL
      || !gtk_tree_row_reference_valid (self->current_row)
      || !self->visible)
    {
      self->enable_prev = FALSE;
      self->enable_next = FALSE;
      goto out;
    }

  current_path = gtk_tree_row_reference_get_path (self->current_row);
  gtk_tree_model_get_iter (self->model, &iter, current_path);

  tmp = iter;
  self->enable_prev = gtk_tree_model_iter_previous (self->model, &tmp);

  tmp = iter;
  self->enable_next = gtk_tree_model_iter_next (self->model, &tmp);

 out:
  if (self->visible_internal && self->enable_next)
    photos_preview_nav_buttons_fade_in_button (self, self->next_widget);
  else
    photos_preview_nav_buttons_fade_out_button (self, self->next_widget);

  if (self->visible_internal && self->enable_prev)
    photos_preview_nav_buttons_fade_in_button (self, self->prev_widget);
  else
    photos_preview_nav_buttons_fade_out_button (self, self->prev_widget);

  g_simple_action_set_enabled (G_SIMPLE_ACTION (self->load_next), self->enable_next);
  g_simple_action_set_enabled (G_SIMPLE_ACTION (self->load_previous), self->enable_prev);

  g_clear_pointer (&current_path, (GDestroyNotify) gtk_tree_path_free);
}