1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2005, 2009 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 module describes the behaviour of the Value Labels dialog box,
19 used for input of the value labels in the variable sheet */
26 #include "val-labs-dialog.h"
27 #include <data/value-labels.h>
28 #include <data/format.h>
29 #include "psppire-var-sheet.h"
30 #include "psppire-var-store.h"
31 #include <libpspp/i18n.h>
33 struct val_labs_dialog
37 PsppireVarStore *var_store;
39 /* The variable to be updated */
42 /* Local copy of labels */
43 struct val_labs *labs;
46 GtkWidget *add_button;
47 GtkWidget *remove_button;
48 GtkWidget *change_button;
51 GtkWidget *value_entry;
52 GtkWidget *label_entry;
54 /* Signal handler ids */
55 gint change_handler_id;
56 gint value_handler_id;
62 /* This callback occurs when the text in the label entry box
65 on_label_entry_change (GtkEntry *entry, gpointer data)
69 struct val_labs_dialog *dialog = data;
70 g_assert (dialog->labs);
72 text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
74 text_to_value (text, &v,
75 dialog->var_store->dict,
76 *var_get_write_format (dialog->pv));
79 if (val_labs_find (dialog->labs, &v))
81 gtk_widget_set_sensitive (dialog->change_button, TRUE);
82 gtk_widget_set_sensitive (dialog->add_button, FALSE);
86 gtk_widget_set_sensitive (dialog->change_button, FALSE);
87 gtk_widget_set_sensitive (dialog->add_button, TRUE);
92 /* Set the TREEVIEW list cursor to the item which has the value VAL */
94 select_treeview_from_value (GtkTreeView *treeview, union value *val)
99 We do this with a linear search through the model --- hardly
100 efficient, but the list is short ... */
103 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
106 for (success = gtk_tree_model_get_iter_first (model, &iter);
108 success = gtk_tree_model_iter_next (model, &iter))
113 gtk_tree_model_get_value (model, &iter, 1, &gvalue);
115 v.f = g_value_get_double (&gvalue);
117 if ( 0 == memcmp (&v, val, sizeof (union value)))
123 path = gtk_tree_model_get_path (model, &iter);
126 gtk_tree_view_set_cursor (treeview, path, 0, 0);
127 gtk_tree_path_free (path);
133 /* This callback occurs when the text in the value entry box is
136 on_value_entry_change (GtkEntry *entry, gpointer data)
140 struct val_labs_dialog *dialog = data;
142 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
145 text_to_value (text, &v,
146 dialog->var_store->dict,
147 *var_get_write_format (dialog->pv));
150 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
151 dialog->change_handler_id);
153 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),"");
156 if ( (s = val_labs_find (dialog->labs, &v)) )
158 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), s);
159 gtk_widget_set_sensitive (dialog->add_button, FALSE);
160 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
161 select_treeview_from_value (GTK_TREE_VIEW (dialog->treeview), &v);
165 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
166 gtk_widget_set_sensitive (dialog->add_button, TRUE);
169 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
170 dialog->change_handler_id);
174 /* Callback for when the Value Labels dialog is closed using
177 val_labs_ok (GtkWidget *w, gpointer data)
179 struct val_labs_dialog *dialog = data;
181 var_set_value_labels (dialog->pv, dialog->labs);
183 val_labs_destroy (dialog->labs);
187 gtk_widget_hide (dialog->window);
192 /* Callback for when the Value Labels dialog is closed using
195 val_labs_cancel (struct val_labs_dialog *dialog)
197 val_labs_destroy (dialog->labs);
201 gtk_widget_hide (dialog->window);
205 /* Callback for when the Value Labels dialog is closed using
208 on_cancel (GtkWidget *w, gpointer data)
210 struct val_labs_dialog *dialog = data;
212 val_labs_cancel (dialog);
216 /* Callback for when the Value Labels dialog is closed using
217 the window delete button.*/
219 on_delete (GtkWidget *w, GdkEvent *e, gpointer data)
221 struct val_labs_dialog *dialog = data;
223 val_labs_cancel (dialog);
229 /* Return the value-label pair currently selected in the dialog box */
231 get_selected_tuple (struct val_labs_dialog *dialog,
232 union value *valuep, const char **label)
234 GtkTreeView *treeview = GTK_TREE_VIEW (dialog->treeview);
237 GValue the_value = {0};
240 GtkTreeSelection* sel = gtk_tree_view_get_selection (treeview);
242 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
244 gtk_tree_selection_get_selected (sel, &model, &iter);
246 gtk_tree_model_get_value (model, &iter, 1, &the_value);
248 value.f = g_value_get_double (&the_value);
249 g_value_unset (&the_value);
254 *label = val_labs_find (dialog->labs, &value);
258 static void repopulate_dialog (struct val_labs_dialog *dialog);
260 /* Callback which occurs when the "Change" button is clicked */
262 on_change (GtkWidget *w, gpointer data)
264 struct val_labs_dialog *dialog = data;
266 const gchar *val_text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
270 text_to_value (val_text, &v,
271 dialog->var_store->dict,
272 *var_get_write_format (dialog->pv));
274 val_labs_replace (dialog->labs, &v,
275 gtk_entry_get_text (GTK_ENTRY (dialog->label_entry)));
277 gtk_widget_set_sensitive (dialog->change_button, FALSE);
279 repopulate_dialog (dialog);
280 gtk_widget_grab_focus (dialog->value_entry);
283 /* Callback which occurs when the "Add" button is clicked */
285 on_add (GtkWidget *w, gpointer data)
287 struct val_labs_dialog *dialog = data;
291 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
293 text_to_value (text, &v,
294 dialog->var_store->dict,
295 *var_get_write_format (dialog->pv));
298 if ( ! val_labs_add (dialog->labs, &v,
300 ( GTK_ENTRY (dialog->label_entry)) ) )
303 gtk_widget_set_sensitive (dialog->add_button, FALSE);
305 repopulate_dialog (dialog);
306 gtk_widget_grab_focus (dialog->value_entry);
309 /* Callback which occurs when the "Remove" button is clicked */
311 on_remove (GtkWidget *w, gpointer data)
313 struct val_labs_dialog *dialog = data;
316 const struct val_lab *vl;
318 get_selected_tuple (dialog, &value, NULL);
319 vl = val_labs_lookup (dialog->labs, &value);
321 val_labs_remove (dialog->labs, vl);
323 repopulate_dialog (dialog);
324 gtk_widget_grab_focus (dialog->value_entry);
326 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
331 /* Callback which occurs when a line item is selected in the list of
332 value--label pairs.*/
334 on_select_row (GtkTreeView *treeview, gpointer data)
336 struct val_labs_dialog *dialog = data;
339 const char *label = NULL;
343 get_selected_tuple (dialog, &value, &label);
344 text = value_to_text (value, dialog->var_store->dict, *var_get_write_format (dialog->pv));
346 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
347 dialog->value_handler_id);
349 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), text);
351 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
352 dialog->value_handler_id);
355 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
356 dialog->change_handler_id);
359 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),
362 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
363 dialog->change_handler_id);
365 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
366 gtk_widget_set_sensitive (dialog->change_button, FALSE);
370 /* Create a new dialog box
371 (there should normally be only one)*/
372 struct val_labs_dialog *
373 val_labs_dialog_create (GtkWindow *toplevel, PsppireVarStore *var_store)
375 GtkTreeViewColumn *column;
377 GtkCellRenderer *renderer ;
379 GtkBuilder *xml = builder_new ("var-sheet-dialogs.ui");
381 struct val_labs_dialog *dialog = g_malloc (sizeof (*dialog));
383 dialog->var_store = var_store;
384 dialog->window = get_widget_assert (xml,"val_labs_dialog");
385 dialog->value_entry = get_widget_assert (xml,"value_entry");
386 dialog->label_entry = get_widget_assert (xml,"label_entry");
388 gtk_window_set_transient_for
389 (GTK_WINDOW (dialog->window), toplevel);
391 dialog->add_button = get_widget_assert (xml, "val_labs_add");
392 dialog->remove_button = get_widget_assert (xml, "val_labs_remove");
393 dialog->change_button = get_widget_assert (xml, "val_labs_change");
395 dialog->treeview = get_widget_assert (xml,"treeview1");
397 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dialog->treeview), FALSE);
399 renderer = gtk_cell_renderer_text_new ();
401 column = gtk_tree_view_column_new_with_attributes ("Title",
407 gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->treeview), column);
409 g_signal_connect (get_widget_assert (xml, "val_labs_cancel"),
411 G_CALLBACK (on_cancel), dialog);
413 g_signal_connect (dialog->window, "delete-event",
414 G_CALLBACK (on_delete), dialog);
416 g_signal_connect (get_widget_assert (xml, "val_labs_ok"),
418 G_CALLBACK (val_labs_ok), dialog);
420 dialog->change_handler_id =
421 g_signal_connect (dialog->label_entry,
423 G_CALLBACK (on_label_entry_change), dialog);
425 dialog->value_handler_id =
426 g_signal_connect (dialog->value_entry,
428 G_CALLBACK (on_value_entry_change), dialog);
430 g_signal_connect (dialog->change_button,
432 G_CALLBACK (on_change), dialog);
435 g_signal_connect (dialog->treeview, "cursor-changed",
436 G_CALLBACK (on_select_row), dialog);
438 g_signal_connect (dialog->remove_button, "clicked",
439 G_CALLBACK (on_remove), dialog);
441 g_signal_connect (dialog->add_button, "clicked",
442 G_CALLBACK (on_add), dialog);
446 g_object_unref (xml);
453 val_labs_dialog_set_target_variable (struct val_labs_dialog *dialog,
454 struct variable *var)
461 /* Populate the components of the dialog box, from the 'labs' member
464 repopulate_dialog (struct val_labs_dialog *dialog)
466 const struct val_lab **labels;
472 GtkListStore *list_store = gtk_list_store_new (2,
476 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
477 dialog->change_handler_id);
478 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
479 dialog->value_handler_id);
481 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), "");
482 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), "");
484 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
485 dialog->value_handler_id);
486 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
487 dialog->change_handler_id);
489 labels = val_labs_sorted (dialog->labs);
490 n_labels = val_labs_count (dialog->labs);
491 for (i = 0; i < n_labels; i++)
493 const struct val_lab *vl = labels[i];
496 value_to_text (vl->value, dialog->var_store->dict,
497 *var_get_write_format (dialog->pv));
499 gchar *const text = g_strdup_printf ("%s = \"%s\"",
500 vstr, val_lab_get_label (vl));
502 gtk_list_store_append (list_store, &iter);
503 gtk_list_store_set (list_store, &iter,
513 gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->treeview),
514 GTK_TREE_MODEL (list_store));
516 g_object_unref (list_store);
520 /* Initialise and display the dialog box */
522 val_labs_dialog_show (struct val_labs_dialog *dialog)
524 const struct val_labs *value_labels;
526 g_assert (!dialog->labs);
528 value_labels = var_get_value_labels (dialog->pv);
531 dialog->labs = val_labs_clone ( value_labels );
533 dialog->labs = val_labs_create ( var_get_width (dialog->pv));
535 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
536 gtk_widget_set_sensitive (dialog->change_button, FALSE);
537 gtk_widget_set_sensitive (dialog->add_button, FALSE);
539 gtk_widget_grab_focus (dialog->value_entry);
541 repopulate_dialog (dialog);
542 gtk_widget_show (dialog->window);