C++ (Cpp) gtk_icon_view_get_item_column Beispiele

Beispiel #1

Datei: testiconview-keynav.c Projekt: BYC/gtk

static gboolean
keynav_failed (GtkWidget        *view,
               GtkDirectionType  direction,
               Views            *views)
{
  GtkTreePath *path;
  GtkTreeModel *model;
  GtkTreeIter iter;
  gint col;
  GtkTreePath *sel;

  if (view == views->view1 && direction == GTK_DIR_DOWN)
    {
      if (gtk_icon_view_get_cursor (GTK_ICON_VIEW (views->view1), &path, NULL))
        {
          col = gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view1), path);
          gtk_tree_path_free (path);

          sel = NULL;
          model = gtk_icon_view_get_model (GTK_ICON_VIEW (views->view2));
          gtk_tree_model_get_iter_first (model, &iter);
          do {
            path = gtk_tree_model_get_path (model, &iter);
            if (gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view2), path) == col)
              {
                sel = path;
                break;
              }
          } while (gtk_tree_model_iter_next (model, &iter));

          gtk_icon_view_set_cursor (GTK_ICON_VIEW (views->view2), sel, NULL, FALSE);
          gtk_tree_path_free (sel);
        }
      gtk_widget_grab_focus (views->view2);
      return TRUE;
    }

  if (view == views->view2 && direction == GTK_DIR_UP)
    {
      if (gtk_icon_view_get_cursor (GTK_ICON_VIEW (views->view2), &path, NULL))
        {
          col = gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view2), path);
          gtk_tree_path_free (path);

          sel = NULL;
          model = gtk_icon_view_get_model (GTK_ICON_VIEW (views->view1));
          gtk_tree_model_get_iter_first (model, &iter);
          do {
            path = gtk_tree_model_get_path (model, &iter);
            if (gtk_icon_view_get_item_column (GTK_ICON_VIEW (views->view1), path) == col)
              {
                if (sel)
                  gtk_tree_path_free (sel);
                sel = path;
              }
            else
              gtk_tree_path_free (path);
          } while (gtk_tree_model_iter_next (model, &iter));

          gtk_icon_view_set_cursor (GTK_ICON_VIEW (views->view1), sel, NULL, FALSE);
          gtk_tree_path_free (sel);
        }
      gtk_widget_grab_focus (views->view1);
      return TRUE;
    }

  return FALSE;
}

Beispiel #2

Datei: gnome-control-center.c Projekt: tigersoldier/gnome-control-center

static gboolean
keynav_failed (GtkIconView        *current_view,
               GtkDirectionType    direction,
               GnomeControlCenter *shell)
{
  GList *views, *v;
  GtkIconView *new_view;
  GtkTreePath *path;
  GtkTreeModel *model;
  GtkTreeIter iter;
  gint col, c, dist, d;
  GtkTreePath *sel;
  gboolean res;

  res = FALSE;

  views = get_item_views (shell);

  for (v = views; v; v = v->next)
    {
      if (v->data == current_view)
        break;
    }

  if (direction == GTK_DIR_DOWN && v != NULL && v->next != NULL)
    {
      new_view = v->next->data;

      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
        {
          col = gtk_icon_view_get_item_column (current_view, path);
          gtk_tree_path_free (path);

          sel = NULL;
          dist = 1000;
          model = gtk_icon_view_get_model (new_view);
          gtk_tree_model_get_iter_first (model, &iter);
          do {
            path = gtk_tree_model_get_path (model, &iter);
            c = gtk_icon_view_get_item_column (new_view, path);
            d = ABS (c - col);
            if (d < dist)
              {
                if (sel)
                  gtk_tree_path_free (sel);
                sel = path;
                dist = d;
              }
            else
              gtk_tree_path_free (path);
          } while (gtk_tree_model_iter_next (model, &iter));

          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
          gtk_tree_path_free (sel);
        }

      gtk_widget_grab_focus (GTK_WIDGET (new_view));

      res = TRUE;
    }

  if (direction == GTK_DIR_UP && v != NULL && v->prev != NULL)
    {
      new_view = v->prev->data;

      if (gtk_icon_view_get_cursor (current_view, &path, NULL))
        {
          col = gtk_icon_view_get_item_column (current_view, path);
          gtk_tree_path_free (path);

          sel = NULL;
          dist = 1000;
          model = gtk_icon_view_get_model (new_view);
          gtk_tree_model_get_iter_first (model, &iter);
          do {
            path = gtk_tree_model_get_path (model, &iter);
            c = gtk_icon_view_get_item_column (new_view, path);
            d = ABS (c - col);
            if (d <= dist)
              {
                if (sel)
                  gtk_tree_path_free (sel);
                sel = path;
                dist = d;
              }
            else
              gtk_tree_path_free (path);
          } while (gtk_tree_model_iter_next (model, &iter));

          gtk_icon_view_set_cursor (new_view, sel, NULL, FALSE);
          gtk_tree_path_free (sel);
        }

      gtk_widget_grab_focus (GTK_WIDGET (new_view));

      res = TRUE;
    }

  g_list_free (views);

  return res;
}