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 "psppire-var-sheet.h"
30 #include "psppire-var-store.h"
31 #include <libpspp/i18n.h>
36 #define _(msgid) gettext (msgid)
37 #define N_(msgid) msgid
39 struct val_labs_dialog
43 /* The variable to be updated */
46 /* Local copy of labels */
47 struct val_labs *labs;
50 GtkWidget *add_button;
51 GtkWidget *remove_button;
52 GtkWidget *change_button;
55 GtkWidget *value_entry;
56 GtkWidget *label_entry;
58 /* Signal handler ids */
59 gint change_handler_id;
60 gint value_handler_id;
66 /* This callback occurs when the text in the label entry box
69 on_label_entry_change (GtkEntry *entry, gpointer data)
73 struct val_labs_dialog *dialog = data;
74 g_assert (dialog->labs);
76 text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
82 if (val_labs_find (dialog->labs, &v))
84 gtk_widget_set_sensitive (dialog->change_button, TRUE);
85 gtk_widget_set_sensitive (dialog->add_button, FALSE);
89 gtk_widget_set_sensitive (dialog->change_button, FALSE);
90 gtk_widget_set_sensitive (dialog->add_button, TRUE);
93 value_destroy (&v, var_get_width (dialog->pv));
97 /* Set the TREEVIEW list cursor to the item which has the value VAL */
99 select_treeview_from_value (GtkTreeView *treeview, union value *val)
104 We do this with a linear search through the model --- hardly
105 efficient, but the list is short ... */
108 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
111 for (success = gtk_tree_model_get_iter_first (model, &iter);
113 success = gtk_tree_model_iter_next (model, &iter))
118 gtk_tree_model_get_value (model, &iter, 1, &gvalue);
120 v.f = g_value_get_double (&gvalue);
122 if ( 0 == memcmp (&v, val, sizeof (union value)))
128 path = gtk_tree_model_get_path (model, &iter);
131 gtk_tree_view_set_cursor (treeview, path, 0, 0);
132 gtk_tree_path_free (path);
138 /* This callback occurs when the text in the value entry box is
141 on_value_entry_change (GtkEntry *entry, gpointer data)
145 struct val_labs_dialog *dialog = data;
147 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
155 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
156 dialog->change_handler_id);
158 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),"");
161 if ( (s = val_labs_find (dialog->labs, &v)) )
163 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), s);
164 gtk_widget_set_sensitive (dialog->add_button, FALSE);
165 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
166 select_treeview_from_value (GTK_TREE_VIEW (dialog->treeview), &v);
170 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
171 gtk_widget_set_sensitive (dialog->add_button, TRUE);
174 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
175 dialog->change_handler_id);
177 value_destroy (&v, var_get_width (dialog->pv));
181 /* Callback for when the Value Labels dialog is closed using
184 val_labs_ok (GtkWidget *w, gpointer data)
186 struct val_labs_dialog *dialog = data;
188 var_set_value_labels (dialog->pv, dialog->labs);
190 val_labs_destroy (dialog->labs);
194 gtk_widget_hide (dialog->window);
199 /* Callback for when the Value Labels dialog is closed using
202 val_labs_cancel (struct val_labs_dialog *dialog)
204 val_labs_destroy (dialog->labs);
208 gtk_widget_hide (dialog->window);
212 /* Callback for when the Value Labels dialog is closed using
215 on_cancel (GtkWidget *w, gpointer data)
217 struct val_labs_dialog *dialog = data;
219 val_labs_cancel (dialog);
223 /* Callback for when the Value Labels dialog is closed using
224 the window delete button.*/
226 on_delete (GtkWidget *w, GdkEvent *e, gpointer data)
228 struct val_labs_dialog *dialog = data;
230 val_labs_cancel (dialog);
236 /* Return the value-label pair currently selected in the dialog box */
238 get_selected_tuple (struct val_labs_dialog *dialog,
239 union value *valuep, const char **label)
241 GtkTreeView *treeview = GTK_TREE_VIEW (dialog->treeview);
244 GValue the_value = {0};
247 GtkTreeSelection* sel = gtk_tree_view_get_selection (treeview);
249 GtkTreeModel * model = gtk_tree_view_get_model (treeview);
251 gtk_tree_selection_get_selected (sel, &model, &iter);
253 gtk_tree_model_get_value (model, &iter, 1, &the_value);
255 value.f = g_value_get_double (&the_value);
256 g_value_unset (&the_value);
262 struct val_lab *vl = val_labs_lookup (dialog->labs, &value);
264 *label = val_lab_get_escaped_label (vl);
269 static void repopulate_dialog (struct val_labs_dialog *dialog);
271 /* Callback which occurs when the "Change" button is clicked */
273 on_change (GtkWidget *w, gpointer data)
275 struct val_labs_dialog *dialog = data;
277 const gchar *val_text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
281 text_to_value (val_text,
285 val_labs_replace (dialog->labs, &v,
286 gtk_entry_get_text (GTK_ENTRY (dialog->label_entry)));
288 gtk_widget_set_sensitive (dialog->change_button, FALSE);
290 repopulate_dialog (dialog);
291 gtk_widget_grab_focus (dialog->value_entry);
293 value_destroy (&v, var_get_width (dialog->pv));
296 /* Callback which occurs when the "Add" button is clicked */
298 on_add (GtkWidget *w, gpointer data)
300 struct val_labs_dialog *dialog = data;
304 const gchar *text = gtk_entry_get_text (GTK_ENTRY (dialog->value_entry));
310 if (val_labs_add (dialog->labs, &v,
312 ( GTK_ENTRY (dialog->label_entry)) ) )
314 gtk_widget_set_sensitive (dialog->add_button, FALSE);
316 repopulate_dialog (dialog);
317 gtk_widget_grab_focus (dialog->value_entry);
320 value_destroy (&v, var_get_width (dialog->pv));
323 /* Callback which occurs when the "Remove" button is clicked */
325 on_remove (GtkWidget *w, gpointer data)
327 struct val_labs_dialog *dialog = data;
332 get_selected_tuple (dialog, &value, NULL);
333 vl = val_labs_lookup (dialog->labs, &value);
335 val_labs_remove (dialog->labs, vl);
337 repopulate_dialog (dialog);
338 gtk_widget_grab_focus (dialog->value_entry);
340 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
345 /* Callback which occurs when a line item is selected in the list of
346 value--label pairs.*/
348 on_select_row (GtkTreeView *treeview, gpointer data)
350 struct val_labs_dialog *dialog = data;
353 const char *label = NULL;
357 get_selected_tuple (dialog, &value, &label);
358 text = value_to_text (value, dialog->pv);
360 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
361 dialog->value_handler_id);
363 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), text);
365 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
366 dialog->value_handler_id);
369 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
370 dialog->change_handler_id);
373 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry),
376 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
377 dialog->change_handler_id);
379 gtk_widget_set_sensitive (dialog->remove_button, TRUE);
380 gtk_widget_set_sensitive (dialog->change_button, FALSE);
384 /* Create a new dialog box
385 (there should normally be only one)*/
386 struct val_labs_dialog *
387 val_labs_dialog_create (GtkWindow *toplevel)
389 GtkTreeViewColumn *column;
391 GtkCellRenderer *renderer ;
393 GtkBuilder *xml = builder_new ("var-sheet-dialogs.ui");
395 struct val_labs_dialog *dialog = g_malloc (sizeof (*dialog));
397 dialog->window = get_widget_assert (xml,"val_labs_dialog");
398 dialog->value_entry = get_widget_assert (xml,"value_entry");
399 dialog->label_entry = get_widget_assert (xml,"label_entry");
401 gtk_window_set_transient_for
402 (GTK_WINDOW (dialog->window), toplevel);
404 dialog->add_button = get_widget_assert (xml, "val_labs_add");
405 dialog->remove_button = get_widget_assert (xml, "val_labs_remove");
406 dialog->change_button = get_widget_assert (xml, "val_labs_change");
408 dialog->treeview = get_widget_assert (xml,"treeview1");
410 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (dialog->treeview), FALSE);
412 renderer = gtk_cell_renderer_text_new ();
414 column = gtk_tree_view_column_new_with_attributes ("Title",
420 gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->treeview), column);
422 g_signal_connect (get_widget_assert (xml, "val_labs_cancel"),
424 G_CALLBACK (on_cancel), dialog);
426 g_signal_connect (dialog->window, "delete-event",
427 G_CALLBACK (on_delete), dialog);
429 g_signal_connect (get_widget_assert (xml, "val_labs_ok"),
431 G_CALLBACK (val_labs_ok), dialog);
433 dialog->change_handler_id =
434 g_signal_connect (dialog->label_entry,
436 G_CALLBACK (on_label_entry_change), dialog);
438 dialog->value_handler_id =
439 g_signal_connect (dialog->value_entry,
441 G_CALLBACK (on_value_entry_change), dialog);
443 g_signal_connect (dialog->change_button,
445 G_CALLBACK (on_change), dialog);
448 g_signal_connect (dialog->treeview, "cursor-changed",
449 G_CALLBACK (on_select_row), dialog);
451 g_signal_connect (dialog->remove_button, "clicked",
452 G_CALLBACK (on_remove), dialog);
454 g_signal_connect (dialog->add_button, "clicked",
455 G_CALLBACK (on_add), dialog);
459 g_object_unref (xml);
466 val_labs_dialog_set_target_variable (struct val_labs_dialog *dialog,
467 struct variable *var)
474 /* Populate the components of the dialog box, from the 'labs' member
477 repopulate_dialog (struct val_labs_dialog *dialog)
479 const struct val_lab **labels;
485 GtkListStore *list_store = gtk_list_store_new (2,
489 g_signal_handler_block (GTK_ENTRY (dialog->label_entry),
490 dialog->change_handler_id);
491 g_signal_handler_block (GTK_ENTRY (dialog->value_entry),
492 dialog->value_handler_id);
494 gtk_entry_set_text (GTK_ENTRY (dialog->value_entry), "");
495 gtk_entry_set_text (GTK_ENTRY (dialog->label_entry), "");
497 g_signal_handler_unblock (GTK_ENTRY (dialog->value_entry),
498 dialog->value_handler_id);
499 g_signal_handler_unblock (GTK_ENTRY (dialog->label_entry),
500 dialog->change_handler_id);
502 labels = val_labs_sorted (dialog->labs);
503 n_labels = val_labs_count (dialog->labs);
504 for (i = 0; i < n_labels; i++)
506 const struct val_lab *vl = labels[i];
509 value_to_text (vl->value, dialog->pv);
511 gchar *const text = g_strdup_printf (_("%s = `%s'"), vstr,
512 val_lab_get_escaped_label (vl));
514 gtk_list_store_append (list_store, &iter);
515 gtk_list_store_set (list_store, &iter,
525 gtk_tree_view_set_model (GTK_TREE_VIEW (dialog->treeview),
526 GTK_TREE_MODEL (list_store));
528 g_object_unref (list_store);
532 /* Initialise and display the dialog box */
534 val_labs_dialog_show (struct val_labs_dialog *dialog)
536 const struct val_labs *value_labels;
538 g_assert (!dialog->labs);
540 value_labels = var_get_value_labels (dialog->pv);
543 dialog->labs = val_labs_clone ( value_labels );
545 dialog->labs = val_labs_create ( var_get_width (dialog->pv));
547 gtk_widget_set_sensitive (dialog->remove_button, FALSE);
548 gtk_widget_set_sensitive (dialog->change_button, FALSE);
549 gtk_widget_set_sensitive (dialog->add_button, FALSE);
551 gtk_widget_grab_focus (dialog->value_entry);
553 repopulate_dialog (dialog);
554 gtk_widget_show (dialog->window);