- PsppireDataSheet *data_sheet;
-
- switch (gtk_notebook_get_current_page (GTK_NOTEBOOK (de)))
- {
- case PSPPIRE_DATA_EDITOR_DATA_VIEW:
- data_sheet = psppire_data_editor_get_active_data_sheet (de);
- psppire_data_sheet_goto_variable (data_sheet, dict_index);
- break;
-
- case PSPPIRE_DATA_EDITOR_VARIABLE_VIEW:
- psppire_var_sheet_goto_variable (PSPPIRE_VAR_SHEET (de->var_sheet),
- dict_index);
- break;
- }
-}
-
-/* Returns the "active" data sheet in DE. If DE is in single-paned mode, this
- is the only data sheet. If DE is in split mode (showing four data sheets),
- this is the focused data sheet or, if none is focused, the data sheet with
- selected cells or, if none has selected cells, the upper-left data sheet. */
-PsppireDataSheet *
-psppire_data_editor_get_active_data_sheet (PsppireDataEditor *de)
-{
- if (de->split)
- {
- PsppireDataSheet *data_sheet;
- GtkWidget *scroller;
- int i;
-
- /* If one of the datasheet's scrollers is focused, choose that one. */
- scroller = gtk_container_get_focus_child (
- GTK_CONTAINER (de->datasheet_vbox_widget));
- if (scroller != NULL)
- return PSPPIRE_DATA_SHEET (gtk_bin_get_child (GTK_BIN (scroller)));
-
- /* Otherwise if there's a nonempty selection in some data sheet, choose
- that one. */
- FOR_EACH_DATA_SHEET (data_sheet, i, de)
- {
- PsppSheetSelection *selection;
-
- selection = pspp_sheet_view_get_selection (
- PSPP_SHEET_VIEW (data_sheet));
- if (pspp_sheet_selection_count_selected_rows (selection)
- && pspp_sheet_selection_count_selected_columns (selection))
- return data_sheet;
- }
- }
-
- return PSPPIRE_DATA_SHEET (de->data_sheets[0]);
-}
-
-/* Returns the UI manager that should be merged into DE's toplevel widget's UI
- manager to display menu items and toolbar items specific to DE's current
- page and data sheet.
-
- DE's toplevel widget can watch for changes by connecting to DE's
- notify::ui-manager signal. */
-GtkUIManager *
-psppire_data_editor_get_ui_manager (PsppireDataEditor *de)
-{
- psppire_data_editor_update_ui_manager (de);
- return de->ui_manager;
-}
-
-static void
-psppire_data_editor_update_ui_manager (PsppireDataEditor *de)
-{
- PsppireDataSheet *data_sheet;
- GtkUIManager *ui_manager;
-
- ui_manager = NULL;
-
- switch (gtk_notebook_get_current_page (GTK_NOTEBOOK (de)))
- {
- case PSPPIRE_DATA_EDITOR_DATA_VIEW:
- data_sheet = psppire_data_editor_get_active_data_sheet (de);
- if (data_sheet != NULL)
- ui_manager = psppire_data_sheet_get_ui_manager (data_sheet);
- else
- {
- /* This happens transiently in psppire_data_editor_split_window(). */
- }
- break;
-
- case PSPPIRE_DATA_EDITOR_VARIABLE_VIEW:
- ui_manager = psppire_var_sheet_get_ui_manager (
- PSPPIRE_VAR_SHEET (de->var_sheet));
- break;
-
- default:
- /* This happens transiently in psppire_data_editor_init(). */
- break;
- }
-
- if (ui_manager != de->ui_manager)
- {
- if (de->ui_manager)
- g_object_unref (de->ui_manager);
- if (ui_manager)
- g_object_ref (ui_manager);
- de->ui_manager = ui_manager;
-
- g_object_notify (G_OBJECT (de), "ui-manager");
- }