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 (o, "clicked", give_help, 0);
209 g_slist_free (helps);
214 reference_manual (GtkMenuItem *menu, gpointer data)
217 gchar *cmd = g_strdup_printf ("yelp file://%s", relocate (DOCDIR "/pspp.xml"));
219 if ( ! g_spawn_command_line_async (cmd, &err) )
221 msg (ME, _("Cannot open reference manual: %s"), err->message);
225 g_clear_error (&err);
229 extern struct dataset *the_dataset;
230 extern struct source_stream *the_source_stream;
231 extern PsppireDataStore *the_data_store;
233 /* Lazy casereader callback function used by execute_syntax. */
234 static struct casereader *
235 create_casereader_from_data_store (void *data_store_)
237 PsppireDataStore *data_store = data_store_;
238 return psppire_data_store_get_reader (data_store);
242 execute_syntax (struct getl_interface *sss)
245 gboolean retval = TRUE;
247 struct casereader *reader;
250 unsigned long int lazy_serial;
252 /* When the user executes a number of snippets of syntax in a
253 row, none of which read from the active file, the GUI becomes
254 progressively less responsive. The reason is that each syntax
255 execution encapsulates the active file data in another
256 datasheet layer. The cumulative effect of having a number of
257 layers of datasheets wastes time and space.
259 To solve the problem, we use a "lazy casereader", a wrapper
260 around the casereader obtained from the data store, that
261 only actually instantiates that casereader when it is
262 needed. If the data store casereader is never needed, then
263 it is reused the next time syntax is run, without wrapping
264 it in another layer. */
265 value_cnt = psppire_data_store_get_value_count (the_data_store);
266 case_cnt = psppire_data_store_get_case_count (the_data_store);
267 reader = lazy_casereader_create (value_cnt, case_cnt,
268 create_casereader_from_data_store,
269 the_data_store, &lazy_serial);
270 proc_set_active_file_data (the_dataset, reader);
272 g_return_val_if_fail (proc_has_active_file (the_dataset), FALSE);
274 lexer = lex_create (the_source_stream);
276 getl_append_source (the_source_stream, sss, GETL_BATCH, ERRMODE_CONTINUE);
280 enum cmd_result result = cmd_parse (lexer, the_dataset);
282 if ( cmd_result_is_failure (result))
285 if ( source_stream_current_error_mode (the_source_stream)
290 if ( result == CMD_EOF || result == CMD_FINISH)
294 getl_abort_noninteractive (the_source_stream);
298 psppire_dict_replace_dictionary (the_data_store->dict,
299 dataset_dict (the_dataset));
301 reader = proc_extract_active_file_data (the_dataset);
302 if (!lazy_casereader_destroy (reader, lazy_serial))
303 psppire_data_store_set_reader (the_data_store, reader);
307 psppire_output_window_reload ();
314 /* Create a deep copy of SRC */
316 clone_list_store (const GtkListStore *src)
318 GtkTreeIter src_iter;
321 const gint n_cols = gtk_tree_model_get_n_columns (GTK_TREE_MODEL (src));
322 GType *types = g_malloc (sizeof (*types) * n_cols);
327 for (i = 0 ; i < n_cols; ++i )
328 types[i] = gtk_tree_model_get_column_type (GTK_TREE_MODEL (src), i);
330 dest = gtk_list_store_newv (n_cols, types);
332 for (ok = gtk_tree_model_get_iter_first (GTK_TREE_MODEL (src),
335 ok = gtk_tree_model_iter_next (GTK_TREE_MODEL (src), &src_iter))
337 GtkTreeIter dest_iter;
338 gtk_list_store_append (dest, &dest_iter);
340 for (i = 0 ; i < n_cols; ++i )
344 gtk_tree_model_get_value (GTK_TREE_MODEL (src), &src_iter, i, &val);
345 gtk_list_store_set_value (dest, &dest_iter, i, &val);
347 g_value_unset (&val);
359 paste_syntax_in_new_window (const gchar *syntax)
361 GtkWidget *se = psppire_syntax_window_new ();
363 gtk_text_buffer_insert_at_cursor (PSPPIRE_SYNTAX_WINDOW (se)->buffer, syntax, -1);
365 gtk_widget_show (se);