1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2005, 2009, 2010, 2011, 2012 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 */
25 #include "builder-wrapper.h"
26 #include "val-labs-dialog.h"
27 #include <data/value-labels.h>
28 #include <data/format.h>
29 #include <libpspp/i18n.h>
34 #define _(msgid) gettext (msgid)
35 #define N_(msgid) msgid
37 struct val_labs_dialog
41 /* The variable to be updated */
44 /* Local copy of labels */
45 struct val_labs *labs;
48 GtkWidget *add_button;
49 GtkWidget *remove_button;
50 GtkWidget *change_button;
53 GtkWidget *value_entry;
54 GtkWidget *label_entry;
56 /* Signal handler ids */
57 gint change_handler_id;
58 gint value_handler_id;
64 /* This callback occurs when the text in the label entry box
67 on_label_entry_change (GtkEntry *entry, gpointer data)
71 struct val_labs_dialog *dialog = data;
72 g_assert (dialog->labs);
74 text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
80 if (val_labs_find (dialog->labs, &v))
82 gtk_widget_set_sensitive (dialog->change_button, TRUE);
83 gtk_widget_set_sensitive (dialog->add_button, FALSE);
87 gtk_widget_set_sensitive (dialog->change_button, FALSE);
88 gtk_widget_set_sensitive (dialog->add_button, TRUE);
91 value_destroy (&v, var_get_width (dialog->pv));
95 /* Set the TREEVIEW list cursor to the item which has the value VAL */
97 select_treeview_from_value (GtkTreeView *treeview, union value *val)
102 We do this with a linear search through the model --- hardly
103 efficient, but the list is short ... */
106 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
109 for (success = gtk_tree_model_get_iter_first (model, &iter);
111 success = gtk_tree_model_iter_next (model, &iter))
116 gtk_tree_model_get_value (model, &iter, 1, &gvalue);
118 v.f = g_value_get_double (&gvalue);
120 if ( 0 == memcmp (&v, val, sizeof (union value)))
126 path = gtk_tree_model_get_path (model, &iter);
129 gtk_tree_view_set_cursor (treeview, path, 0, 0);
130 gtk_tree_path_free (path);
136 /* This callback occurs when the text in the value entry box is
139 on_value_entry_change (GtkEntry *entry, gpointer data)
143 struct val_labs_dialog *dialog = data;
145 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
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);
260 struct val_lab *vl = val_labs_lookup (dialog->labs, &value);
262 *label = val_lab_get_escaped_label (vl);
267 static void repopulate_dialog (struct val_labs_dialog *dialog);
269 /* Callback which occurs when the "Change" button is clicked */
271 on_change (GtkWidget *w, gpointer data)
273 struct val_labs_dialog *dialog = data;
275 const gchar *val_text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
279 text_to_value (val_text,
283 val_labs_replace (dialog->labs, &v,
284 gtk_entry_get_text (GTK_ENTRY (dialog->label_entry)));
286 gtk_widget_set_sensitive (dialog->change_button, FALSE);
288 repopulate_dialog (dialog);
289 gtk_widget_grab_focus (dialog->value_entry);
291 value_destroy (&v, var_get_width (dialog->pv));
294 /* Callback which occurs when the "Add" button is clicked */
296 on_add (GtkWidget *w, gpointer data)
298 struct val_labs_dialog *dialog = data;
302 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
308 if (val_labs_add (dialog->labs, &v,
310 ( GTK_ENTRY (dialog->label_entry)) ) )
312 gtk_widget_set_sensitive (dialog->add_button, FALSE);
314 repopulate_dialog (dialog);
315 gtk_widget_grab_focus (dialog->value_entry);
318 value_destroy (&v, var_get_width (dialog->pv));
321 /* Callback which occurs when the "Remove" button is clicked */
323 on_remove (GtkWidget *w, gpointer data)
325 struct val_labs_dialog *dialog = data;
330 get_selected_tuple (dialog, &value, NULL);
331 vl = val_labs_lookup (dialog->labs, &value);
333 val_labs_remove (dialog->labs, vl);
335 repopulate_dialog (dialog);
336 gtk_widget_grab_focus (dialog->value_entry);
338 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
343 /* Callback which occurs when a line item is selected in the list of
344 value--label pairs.*/
346 on_select_row (GtkTreeView *treeview, gpointer data)
348 struct val_labs_dialog *dialog = data;
351 const char *label = NULL;
355 get_selected_tuple (dialog, &value, &label);
356 text = value_to_text (value, dialog->pv);
358 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
359 dialog->value_handler_id);
361 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), text);
363 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
364 dialog->value_handler_id);
367 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
368 dialog->change_handler_id);
371 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),
374 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
375 dialog->change_handler_id);
377 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
378 gtk_widget_set_sensitive (dialog->change_button, FALSE);
382 /* Create a new dialog box
383 (there should normally be only one)*/
384 struct val_labs_dialog *
385 val_labs_dialog_create (GtkWindow *toplevel)
387 GtkTreeViewColumn *column;
389 GtkCellRenderer *renderer ;
391 GtkBuilder *xml = builder_new ("var-sheet-dialogs.ui");
393 struct val_labs_dialog *dialog = g_malloc (sizeof (*dialog));
395 dialog->window = get_widget_assert (xml,"val_labs_dialog");
396 dialog->value_entry = get_widget_assert (xml,"value_entry");
397 dialog->label_entry = get_widget_assert (xml,"label_entry");
399 gtk_window_set_transient_for
400 (GTK_WINDOW (dialog->window), toplevel);
402 dialog->add_button = get_widget_assert (xml, "val_labs_add");
403 dialog->remove_button = get_widget_assert (xml, "val_labs_remove");
404 dialog->change_button = get_widget_assert (xml, "val_labs_change");
406 dialog->treeview = get_widget_assert (xml,"treeview1");
408 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dialog->treeview), FALSE);
410 renderer = gtk_cell_renderer_text_new ();
412 column = gtk_tree_view_column_new_with_attributes ("Title",
418 gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->treeview), column);
420 g_signal_connect (get_widget_assert (xml, "val_labs_cancel"),
422 G_CALLBACK (on_cancel), dialog);
424 g_signal_connect (dialog->window, "delete-event",
425 G_CALLBACK (on_delete), dialog);
427 g_signal_connect (get_widget_assert (xml, "val_labs_ok"),
429 G_CALLBACK (val_labs_ok), dialog);
431 dialog->change_handler_id =
432 g_signal_connect (dialog->label_entry,
434 G_CALLBACK (on_label_entry_change), dialog);
436 dialog->value_handler_id =
437 g_signal_connect (dialog->value_entry,
439 G_CALLBACK (on_value_entry_change), dialog);
441 g_signal_connect (dialog->change_button,
443 G_CALLBACK (on_change), dialog);
446 g_signal_connect (dialog->treeview, "cursor-changed",
447 G_CALLBACK (on_select_row), dialog);
449 g_signal_connect (dialog->remove_button, "clicked",
450 G_CALLBACK (on_remove), dialog);
452 g_signal_connect (dialog->add_button, "clicked",
453 G_CALLBACK (on_add), dialog);
457 g_object_unref (xml);
464 val_labs_dialog_set_target_variable (struct val_labs_dialog *dialog,
465 struct variable *var)
472 /* Populate the components of the dialog box, from the 'labs' member
475 repopulate_dialog (struct val_labs_dialog *dialog)
477 const struct val_lab **labels;
483 GtkListStore *list_store = gtk_list_store_new (2,
487 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
488 dialog->change_handler_id);
489 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
490 dialog->value_handler_id);
492 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), "");
493 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), "");
495 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
496 dialog->value_handler_id);
497 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
498 dialog->change_handler_id);
500 labels = val_labs_sorted (dialog->labs);
501 n_labels = val_labs_count (dialog->labs);
502 for (i = 0; i < n_labels; i++)
504 const struct val_lab *vl = labels[i];
507 value_to_text (vl->value, dialog->pv);
509 gchar *const text = g_strdup_printf (_("%s = `%s'"), vstr,
510 val_lab_get_escaped_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);