1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2007 Free Software Foundation
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 /* This file is a rubbish bin where stuff gets put when it doesn't seem to
23 #include "psppire-syntax-window.h"
25 #include <glib-object.h>
29 #include "message-dialog.h"
30 #include <data/format.h>
31 #include <data/data-in.h>
32 #include <data/data-out.h>
33 #include <data/dictionary.h>
34 #include <data/casereader-provider.h>
35 #include <libpspp/message.h>
37 #include <gtk/gtkbuilder.h>
38 #include <libpspp/i18n.h>
43 #include <data/settings.h>
45 #include <language/command.h>
46 #include <data/lazy-casereader.h>
47 #include <data/procedure.h>
48 #include <language/lexer/lexer.h>
49 #include "psppire-data-store.h"
50 #include <output/manager.h>
51 #include "psppire-output-window.h"
57 /* Formats a value according to FORMAT
58 The returned string must be freed when no longer required */
60 value_to_text (union value v, struct fmt_spec format)
64 s = g_new (gchar, format.w + 1);
65 data_out (&v, &format, s);
75 text_to_value (const gchar *text, union value *v,
76 struct fmt_spec format)
80 if ( format.type != FMT_A)
82 if ( ! text ) return FALSE;
85 const gchar *s = text;
93 if ( !*s) return FALSE;
98 ok = data_in (ss_cstr (text), LEGACY_NATIVE, format.type, 0, 0, 0,
99 v, fmt_var_width (&format));
107 builder_new_real (const gchar *name)
109 GtkBuilder *builder = gtk_builder_new ();
112 if ( ! gtk_builder_add_from_file (builder, name, &err))
114 g_critical ("Couldnt open user interface file %s: %s", name, err->message);
115 g_clear_error (&err);
123 get_object_assert (GtkBuilder *builder, const gchar *name, GType type)
128 o = gtk_builder_get_object (builder, name);
131 g_critical ("Object \"%s\" could not be found\n", name);
133 if ( ! g_type_is_a (G_OBJECT_TYPE (o), type))
135 g_critical ("Object \"%s\" was expected to have type %s, but in fact has type %s",
136 name, g_type_name (type), G_OBJECT_TYPE_NAME (o));
144 get_action_assert (GtkBuilder *builder, const gchar *name)
146 return GTK_ACTION (get_object_assert (builder, name, GTK_TYPE_ACTION));
150 get_widget_assert (GtkBuilder *builder, const gchar *name)
152 return GTK_WIDGET (get_object_assert (builder, name, GTK_TYPE_WIDGET));
155 /* Converts a string in the pspp locale to utf-8.
156 The return value must be freed when no longer required*/
158 pspp_locale_to_utf8 (const gchar *text, gssize len, GError **err)
160 return recode_string (CONV_PSPP_TO_UTF8, text, len);
163 #define _(msgid) gettext (msgid)
164 #define N_(msgid) msgid
172 dialog = gtk_message_dialog_new (NULL,
176 _("Sorry. The help system hasn't yet "
177 "been implemented."));
178 gtk_dialog_run (GTK_DIALOG (dialog));
179 gtk_widget_destroy (dialog);
183 connect_help (GtkBuilder *xml)
185 GSList *helps = gtk_builder_get_objects (xml);
188 for ( i = helps; i ; i = g_slist_next (i))
190 GObject *o = i->data;
191 if ( GTK_IS_WIDGET (o) )
195 g_object_get (o, "name", &name, NULL);
198 strncpy (s, name, 11);
202 if ( 0 == strcmp ("help_button", s))
204 g_signal_connect (GTK_WIDGET (o), "clicked", give_help, 0);
209 g_slist_free (helps);
214 reference_manual (GtkMenuItem *menu, gpointer data)
217 if ( ! g_spawn_command_line_async ("yelp info:pspp", &err) )
219 msg (ME, _("Cannot open reference manual: %s"), err->message);
221 g_clear_error (&err);
225 extern struct dataset *the_dataset;
226 extern struct source_stream *the_source_stream;
227 extern PsppireDataStore *the_data_store;
229 /* Lazy casereader callback function used by execute_syntax. */
230 static struct casereader *
231 create_casereader_from_data_store (void *data_store_)
233 PsppireDataStore *data_store = data_store_;
234 return psppire_data_store_get_reader (data_store);
238 execute_syntax (struct getl_interface *sss)
241 gboolean retval = TRUE;
243 struct casereader *reader;
246 unsigned long int lazy_serial;
248 /* When the user executes a number of snippets of syntax in a
249 row, none of which read from the active file, the GUI becomes
250 progressively less responsive. The reason is that each syntax
251 execution encapsulates the active file data in another
252 datasheet layer. The cumulative effect of having a number of
253 layers of datasheets wastes time and space.
255 To solve the problem, we use a "lazy casereader", a wrapper
256 around the casereader obtained from the data store, that
257 only actually instantiates that casereader when it is
258 needed. If the data store casereader is never needed, then
259 it is reused the next time syntax is run, without wrapping
260 it in another layer. */
261 value_cnt = psppire_data_store_get_value_count (the_data_store);
262 case_cnt = psppire_data_store_get_case_count (the_data_store);
263 reader = lazy_casereader_create (value_cnt, case_cnt,
264 create_casereader_from_data_store,
265 the_data_store, &lazy_serial);
266 proc_set_active_file_data (the_dataset, reader);
268 g_return_val_if_fail (proc_has_active_file (the_dataset), FALSE);
270 lexer = lex_create (the_source_stream);
272 getl_append_source (the_source_stream, sss, GETL_BATCH, ERRMODE_CONTINUE);
276 enum cmd_result result = cmd_parse (lexer, the_dataset);
278 if ( cmd_result_is_failure (result))
281 if ( source_stream_current_error_mode (the_source_stream)
286 if ( result == CMD_EOF || result == CMD_FINISH)
290 getl_abort_noninteractive (the_source_stream);
294 psppire_dict_replace_dictionary (the_data_store->dict,
295 dataset_dict (the_dataset));
297 reader = proc_extract_active_file_data (the_dataset);
298 if (!lazy_casereader_destroy (reader, lazy_serial))
299 psppire_data_store_set_reader (the_data_store, reader);
303 psppire_output_window_reload ();
310 /* Create a deep copy of SRC */
312 clone_list_store (const GtkListStore *src)
314 GtkTreeIter src_iter;
317 const gint n_cols = gtk_tree_model_get_n_columns (GTK_TREE_MODEL (src));
318 GType *types = g_malloc (sizeof (*types) * n_cols);
323 for (i = 0 ; i < n_cols; ++i )
324 types[i] = gtk_tree_model_get_column_type (GTK_TREE_MODEL (src), i);
326 dest = gtk_list_store_newv (n_cols, types);
328 for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (src),
331 ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (src), &src_iter))
333 GtkTreeIter dest_iter;
334 gtk_list_store_append (dest, &dest_iter);
336 for (i = 0 ; i < n_cols; ++i )
340 gtk_tree_model_get_value (GTK_TREE_MODEL (src), &src_iter, i, &val);
341 gtk_list_store_set_value (dest, &dest_iter, i, &val);
343 g_value_unset (&val);
355 paste_syntax_in_new_window (const gchar *syntax)
357 GtkWidget *se = psppire_syntax_window_new ();
359 gtk_text_buffer_insert_at_cursor (PSPPIRE_SYNTAX_WINDOW (se)->buffer, syntax, -1);
361 gtk_widget_show (se);