-
-static GString *
-clip_to_text (void)
-{
- casenumber r;
- GString *string;
-
- const size_t val_cnt = casereader_get_value_cnt (clip_datasheet);
- const casenumber case_cnt = casereader_get_case_cnt (clip_datasheet);
- const size_t var_cnt = dict_get_var_cnt (clip_dict);
-
- string = g_string_sized_new (10 * val_cnt * case_cnt);
-
- for (r = 0 ; r < case_cnt ; ++r )
- {
- int c;
- struct ccase *cc;
-
- cc = casereader_peek (clip_datasheet, r);
- if (cc == NULL)
- {
- g_warning ("Clipboard seems to have inexplicably shrunk");
- break;
- }
-
- for (c = 0 ; c < var_cnt ; ++c)
- {
- const struct variable *v = dict_get_var (clip_dict, c);
- data_out_g_string (string, v, cc);
- if ( c < val_cnt - 1 )
- g_string_append (string, "\t");
- }
-
- if ( r < case_cnt)
- g_string_append (string, "\n");
-
- case_unref (cc);
- }
-
- return string;
-}
-
-
-static GString *
-clip_to_html (void)
-{
- casenumber r;
- GString *string;
-
- const size_t val_cnt = casereader_get_value_cnt (clip_datasheet);
- const casenumber case_cnt = casereader_get_case_cnt (clip_datasheet);
- const size_t var_cnt = dict_get_var_cnt (clip_dict);
-
-
- /* Guestimate the size needed */
- string = g_string_sized_new (20 * val_cnt * case_cnt);
-
- g_string_append (string, "<table>\n");
- for (r = 0 ; r < case_cnt ; ++r )
- {
- int c;
- struct ccase *cc = casereader_peek (clip_datasheet, r);
- if (cc == NULL)
- {
- g_warning ("Clipboard seems to have inexplicably shrunk");
- break;
- }
- g_string_append (string, "<tr>\n");
-
- for (c = 0 ; c < var_cnt ; ++c)
- {
- const struct variable *v = dict_get_var (clip_dict, c);
- g_string_append (string, "<td>");
- data_out_g_string (string, v, cc);
- g_string_append (string, "</td>\n");
- }
-
- g_string_append (string, "</tr>\n");
-
- case_unref (cc);
- }
- g_string_append (string, "</table>\n");
-
- return string;
-}
-
-
-
-static void
-clipboard_get_cb (GtkClipboard *clipboard,
- GtkSelectionData *selection_data,
- guint info,
- gpointer data)
-{
- GString *string = NULL;
-
- switch (info)
- {
- case SELECT_FMT_TEXT:
- string = clip_to_text ();
- break;
- case SELECT_FMT_HTML:
- string = clip_to_html ();
- break;
- default:
- g_assert_not_reached ();
- }
-
- gtk_selection_data_set (selection_data, selection_data->target,
- 8,
- (const guchar *) string->str, string->len);
-
- g_string_free (string, TRUE);
-}
-
-static void
-clipboard_clear_cb (GtkClipboard *clipboard,
- gpointer data)
-{
- dict_destroy (clip_dict);
- clip_dict = NULL;
-
- casereader_destroy (clip_datasheet);
- clip_datasheet = NULL;
-}
-
-
-static const GtkTargetEntry targets[] = {
- { "UTF8_STRING", 0, SELECT_FMT_TEXT },
- { "STRING", 0, SELECT_FMT_TEXT },
- { "TEXT", 0, SELECT_FMT_TEXT },
- { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
- { "text/plain;charset=utf-8", 0, SELECT_FMT_TEXT },
- { "text/plain", 0, SELECT_FMT_TEXT },
- { "text/html", 0, SELECT_FMT_HTML }
-};
-
-
-
-static void
-data_sheet_update_clipboard (PsppireSheet *sheet)
-{
- GtkClipboard *clipboard =
- gtk_widget_get_clipboard (GTK_WIDGET (sheet),
- GDK_SELECTION_CLIPBOARD);
-
- if (!gtk_clipboard_set_with_owner (clipboard, targets,
- G_N_ELEMENTS (targets),
- clipboard_get_cb, clipboard_clear_cb,
- G_OBJECT (sheet)))
- clipboard_clear_cb (clipboard, sheet);
-}
-
-
-
-/* A callback for when the clipboard contents have been received */
-static void
-data_sheet_contents_received_callback (GtkClipboard *clipboard,
- GtkSelectionData *sd,
- gpointer data)
-{
- gint count = 0;
- gint row, column;
- gint next_row, next_column;
- gint first_column;
- char *c;
- PsppireDataEditor *data_editor = data;
-
- if ( sd->length < 0 )
- return;
-
- if ( sd->type != gdk_atom_intern ("UTF8_STRING", FALSE))
- return;
-
- c = (char *) sd->data;
-
- /* Paste text to selected position */
- psppire_sheet_get_active_cell (PSPPIRE_SHEET (data_editor->data_sheet[0]),
- &row, &column);
-
- g_return_if_fail (row >= 0);
- g_return_if_fail (column >= 0);
-
- first_column = column;
- next_row = row;
- next_column = column;
- while (count < sd->length)
- {
- char *s = c;
-
- row = next_row;
- column = next_column;
- while (*c != '\t' && *c != '\n' && count < sd->length)
- {
- c++;
- count++;
- }
- if ( *c == '\t')
- {
- next_row = row ;
- next_column = column + 1;
- }
- else if ( *c == '\n')
- {
- next_row = row + 1;
- next_column = first_column;
- }
- *c++ = '\0';
- count++;
-
-
- /* Append some new cases if pasting beyond the last row */
- if ( row >= psppire_data_store_get_case_count (data_editor->data_store))
- psppire_data_store_insert_new_case (data_editor->data_store, row);
-
- psppire_data_store_set_string (data_editor->data_store, s, row, column);
- }
-}
-
-
-static void
-on_owner_change (GtkClipboard *clip, GdkEventOwnerChange *event, gpointer data)
-{
- gint i;
- gboolean compatible_target = FALSE;
- PsppireDataEditor *de = PSPPIRE_DATA_EDITOR (data);
-
- for (i = 0 ; i < sizeof (targets) / sizeof(targets[0]) ; ++i )
- {
- GdkAtom atom = gdk_atom_intern (targets[i].target, TRUE);
- if ( gtk_clipboard_wait_is_target_available (clip, atom))
- {
- compatible_target = TRUE;
- break;
- }
- }
-
- g_signal_emit (de, data_editor_signals[DATA_AVAILABLE_CHANGED], 0,
- compatible_target);
-}
-
-