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));
75 dialog->var_store->dict,
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);
90 value_destroy (&v, var_get_width (dialog->pv));
94 /* Set the TREEVIEW list cursor to the item which has the value VAL */
96 select_treeview_from_value (GtkTreeView *treeview, union value *val)
101 We do this with a linear search through the model --- hardly
102 efficient, but the list is short ... */
105 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
108 for (success = gtk_tree_model_get_iter_first (model, &iter);
110 success = gtk_tree_model_iter_next (model, &iter))
115 gtk_tree_model_get_value (model, &iter, 1, &gvalue);
117 v.f = g_value_get_double (&gvalue);
119 if ( 0 == memcmp (&v, val, sizeof (union value)))
125 path = gtk_tree_model_get_path (model, &iter);
128 gtk_tree_view_set_cursor (treeview, path, 0, 0);
129 gtk_tree_path_free (path);
135 /* This callback occurs when the text in the value entry box is
138 on_value_entry_change (GtkEntry *entry, gpointer data)
142 struct val_labs_dialog *dialog = data;
144 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
148 dialog->var_store->dict,
153 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
154 dialog->change_handler_id);
156 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),"");
159 if ( (s = val_labs_find (dialog->labs, &v)) )
161 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), s);
162 gtk_widget_set_sensitive (dialog->add_button, FALSE);
163 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
164 select_treeview_from_value (GTK_TREE_VIEW (dialog->treeview), &v);
168 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
169 gtk_widget_set_sensitive (dialog->add_button, TRUE);
172 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
173 dialog->change_handler_id);
175 value_destroy (&v, var_get_width (dialog->pv));
179 /* Callback for when the Value Labels dialog is closed using
182 val_labs_ok (GtkWidget *w, gpointer data)
184 struct val_labs_dialog *dialog = data;
186 var_set_value_labels (dialog->pv, dialog->labs);
188 val_labs_destroy (dialog->labs);
192 gtk_widget_hide (dialog->window);
197 /* Callback for when the Value Labels dialog is closed using
200 val_labs_cancel (struct val_labs_dialog *dialog)
202 val_labs_destroy (dialog->labs);
206 gtk_widget_hide (dialog->window);
210 /* Callback for when the Value Labels dialog is closed using
213 on_cancel (GtkWidget *w, gpointer data)
215 struct val_labs_dialog *dialog = data;
217 val_labs_cancel (dialog);
221 /* Callback for when the Value Labels dialog is closed using
222 the window delete button.*/
224 on_delete (GtkWidget *w, GdkEvent *e, gpointer data)
226 struct val_labs_dialog *dialog = data;
228 val_labs_cancel (dialog);
234 /* Return the value-label pair currently selected in the dialog box */
236 get_selected_tuple (struct val_labs_dialog *dialog,
237 union value *valuep, const char **label)
239 GtkTreeView *treeview = GTK_TREE_VIEW (dialog->treeview);
242 GValue the_value = {0};
245 GtkTreeSelection* sel = gtk_tree_view_get_selection (treeview);
247 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
249 gtk_tree_selection_get_selected (sel, &model, &iter);
251 gtk_tree_model_get_value (model, &iter, 1, &the_value);
253 value.f = g_value_get_double (&the_value);
254 g_value_unset (&the_value);
259 *label = val_labs_find (dialog->labs, &value);
263 static void repopulate_dialog (struct val_labs_dialog *dialog);
265 /* Callback which occurs when the "Change" button is clicked */
267 on_change (GtkWidget *w, gpointer data)
269 struct val_labs_dialog *dialog = data;
271 const gchar *val_text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
275 text_to_value (val_text,
276 dialog->var_store->dict,
280 val_labs_replace (dialog->labs, &v,
281 gtk_entry_get_text (GTK_ENTRY (dialog->label_entry)));
283 gtk_widget_set_sensitive (dialog->change_button, FALSE);
285 repopulate_dialog (dialog);
286 gtk_widget_grab_focus (dialog->value_entry);
288 value_destroy (&v, var_get_width (dialog->pv));
291 /* Callback which occurs when the "Add" button is clicked */
293 on_add (GtkWidget *w, gpointer data)
295 struct val_labs_dialog *dialog = data;
299 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
302 dialog->var_store->dict,
306 if (val_labs_add (dialog->labs, &v,
308 ( GTK_ENTRY (dialog->label_entry)) ) )
310 gtk_widget_set_sensitive (dialog->add_button, FALSE);
312 repopulate_dialog (dialog);
313 gtk_widget_grab_focus (dialog->value_entry);
316 value_destroy (&v, var_get_width (dialog->pv));
319 /* Callback which occurs when the "Remove" button is clicked */
321 on_remove (GtkWidget *w, gpointer data)
323 struct val_labs_dialog *dialog = data;
326 const struct val_lab *vl;
328 get_selected_tuple (dialog, &value, NULL);
329 vl = val_labs_lookup (dialog->labs, &value);
331 val_labs_remove (dialog->labs, vl);
333 repopulate_dialog (dialog);
334 gtk_widget_grab_focus (dialog->value_entry);
336 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
341 /* Callback which occurs when a line item is selected in the list of
342 value--label pairs.*/
344 on_select_row (GtkTreeView *treeview, gpointer data)
346 struct val_labs_dialog *dialog = data;
349 const char *label = NULL;
353 get_selected_tuple (dialog, &value, &label);
354 text = value_to_text (value, dialog->var_store->dict, *var_get_write_format (dialog->pv));
356 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
357 dialog->value_handler_id);
359 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), text);
361 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
362 dialog->value_handler_id);
365 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
366 dialog->change_handler_id);
369 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),
372 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
373 dialog->change_handler_id);
375 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
376 gtk_widget_set_sensitive (dialog->change_button, FALSE);
380 /* Create a new dialog box
381 (there should normally be only one)*/
382 struct val_labs_dialog *
383 val_labs_dialog_create (GtkWindow *toplevel, PsppireVarStore *var_store)
385 GtkTreeViewColumn *column;
387 GtkCellRenderer *renderer ;
389 GtkBuilder *xml = builder_new ("var-sheet-dialogs.ui");
391 struct val_labs_dialog *dialog = g_malloc (sizeof (*dialog));
393 dialog->var_store = var_store;
394 dialog->window = get_widget_assert (xml,"val_labs_dialog");
395 dialog->value_entry = get_widget_assert (xml,"value_entry");
396 dialog->label_entry = get_widget_assert (xml,"label_entry");
398 gtk_window_set_transient_for
399 (GTK_WINDOW (dialog->window), toplevel);
401 dialog->add_button = get_widget_assert (xml, "val_labs_add");
402 dialog->remove_button = get_widget_assert (xml, "val_labs_remove");
403 dialog->change_button = get_widget_assert (xml, "val_labs_change");
405 dialog->treeview = get_widget_assert (xml,"treeview1");
407 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dialog->treeview), FALSE);
409 renderer = gtk_cell_renderer_text_new ();
411 column = gtk_tree_view_column_new_with_attributes ("Title",
417 gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->treeview), column);
419 g_signal_connect (get_widget_assert (xml, "val_labs_cancel"),
421 G_CALLBACK (on_cancel), dialog);
423 g_signal_connect (dialog->window, "delete-event",
424 G_CALLBACK (on_delete), dialog);
426 g_signal_connect (get_widget_assert (xml, "val_labs_ok"),
428 G_CALLBACK (val_labs_ok), dialog);
430 dialog->change_handler_id =
431 g_signal_connect (dialog->label_entry,
433 G_CALLBACK (on_label_entry_change), dialog);
435 dialog->value_handler_id =
436 g_signal_connect (dialog->value_entry,
438 G_CALLBACK (on_value_entry_change), dialog);
440 g_signal_connect (dialog->change_button,
442 G_CALLBACK (on_change), dialog);
445 g_signal_connect (dialog->treeview, "cursor-changed",
446 G_CALLBACK (on_select_row), dialog);
448 g_signal_connect (dialog->remove_button, "clicked",
449 G_CALLBACK (on_remove), dialog);
451 g_signal_connect (dialog->add_button, "clicked",
452 G_CALLBACK (on_add), dialog);
456 g_object_unref (xml);
463 val_labs_dialog_set_target_variable (struct val_labs_dialog *dialog,
464 struct variable *var)
471 /* Populate the components of the dialog box, from the 'labs' member
474 repopulate_dialog (struct val_labs_dialog *dialog)
476 const struct val_lab **labels;
482 GtkListStore *list_store = gtk_list_store_new (2,
486 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
487 dialog->change_handler_id);
488 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
489 dialog->value_handler_id);
491 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), "");
492 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), "");
494 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
495 dialog->value_handler_id);
496 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
497 dialog->change_handler_id);
499 labels = val_labs_sorted (dialog->labs);
500 n_labels = val_labs_count (dialog->labs);
501 for (i = 0; i < n_labels; i++)
503 const struct val_lab *vl = labels[i];
506 value_to_text (vl->value, dialog->var_store->dict,
507 *var_get_write_format (dialog->pv));
509 gchar *const text = g_strdup_printf ("%s = \"%s\"",
510 vstr, val_lab_get_label (vl));
512 gtk_list_store_append (list_store, &iter);
513 gtk_list_store_set (list_store, &iter,
523 gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->treeview),
524 GTK_TREE_MODEL (list_store));
526 g_object_unref (list_store);
530 /* Initialise and display the dialog box */
532 val_labs_dialog_show (struct val_labs_dialog *dialog)
534 const struct val_labs *value_labels;
536 g_assert (!dialog->labs);
538 value_labels = var_get_value_labels (dialog->pv);
541 dialog->labs = val_labs_clone ( value_labels );
543 dialog->labs = val_labs_create ( var_get_width (dialog->pv));
545 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
546 gtk_widget_set_sensitive (dialog->change_button, FALSE);
547 gtk_widget_set_sensitive (dialog->add_button, FALSE);
549 gtk_widget_grab_focus (dialog->value_entry);
551 repopulate_dialog (dialog);
552 gtk_widget_show (dialog->window);