2 PSPPIRE --- A Graphical User Interface for PSPP
3 Copyright (C) 2005 Free Software Foundation
4 Written by John Darrington
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 /* This module describes the behaviour of the Value Labels dialog box,
23 used for input of the value labels in the variable sheet */
28 #include "val-labs-dialog.h"
29 #include <data/value-labels.h>
30 #include "psppire-variable.h"
32 /* This callback occurs when the text in the label entry box
35 on_label_entry_change(GtkEntry *entry, gpointer data)
39 struct val_labs_dialog *dialog = data;
40 g_assert(dialog->labs);
42 text = gtk_entry_get_text(GTK_ENTRY(dialog->value_entry));
44 text_to_value(text, &v,
45 *psppire_variable_get_write_spec(dialog->pv));
48 if ( val_labs_find (dialog->labs, v) )
50 gtk_widget_set_sensitive(dialog->change_button, TRUE);
51 gtk_widget_set_sensitive(dialog->add_button, FALSE);
55 gtk_widget_set_sensitive(dialog->change_button, FALSE);
56 gtk_widget_set_sensitive(dialog->add_button, TRUE);
61 /* Set the TREEVIEW list cursor to the item which has the value VAL */
63 select_treeview_from_value(GtkTreeView *treeview, union value *val)
68 We do this with a linear search through the model --- hardly
69 efficient, but the list is short ... */
72 GtkTreeModel * model = gtk_tree_view_get_model(treeview);
75 for (success = gtk_tree_model_get_iter_first(model, &iter);
77 success = gtk_tree_model_iter_next(model, &iter))
82 gtk_tree_model_get_value(model, &iter, 1, &gvalue);
84 v.f = g_value_get_double(&gvalue);
86 if ( 0 == memcmp(&v, val, sizeof (union value)))
92 path = gtk_tree_model_get_path(model, &iter);
95 gtk_tree_view_set_cursor(treeview, path, 0, 0);
96 gtk_tree_path_free(path);
102 /* This callback occurs when the text in the value entry box is
105 on_value_entry_change(GtkEntry *entry, gpointer data)
109 struct val_labs_dialog *dialog = data;
111 const gchar *text = gtk_entry_get_text(GTK_ENTRY(dialog->value_entry));
114 text_to_value(text, &v,
115 *psppire_variable_get_write_spec(dialog->pv));
118 g_signal_handler_block(GTK_ENTRY(dialog->label_entry),
119 dialog->change_handler_id);
121 gtk_entry_set_text(GTK_ENTRY(dialog->label_entry),"");
124 if ( (s = val_labs_find (dialog->labs, v)) )
126 gtk_entry_set_text(GTK_ENTRY(dialog->label_entry), s);
127 gtk_widget_set_sensitive(dialog->add_button, FALSE);
128 gtk_widget_set_sensitive(dialog->remove_button, TRUE);
129 select_treeview_from_value(GTK_TREE_VIEW(dialog->treeview), &v);
133 gtk_widget_set_sensitive(dialog->remove_button, FALSE);
134 gtk_widget_set_sensitive(dialog->add_button, TRUE);
137 g_signal_handler_unblock(GTK_ENTRY(dialog->label_entry),
138 dialog->change_handler_id);
142 /* Callback for when the Value Labels dialog is closed using
145 val_labs_ok(GtkWidget *w, gpointer data)
147 struct val_labs_dialog *dialog = data;
149 psppire_variable_set_value_labels(dialog->pv, dialog->labs);
151 val_labs_destroy (dialog->labs);
157 /* Callback for when the Value Labels dialog is closed using
160 val_labs_cancel(GtkWidget *w, gpointer data)
162 struct val_labs_dialog *dialog = data;
164 val_labs_destroy (dialog->labs);
171 /* Return the value-label pair currently selected in the dialog box */
172 static struct val_lab *
173 get_selected_tuple(struct val_labs_dialog *dialog)
175 GtkTreeView *treeview = GTK_TREE_VIEW(dialog->treeview);
176 static struct val_lab vl;
179 GValue the_value = {0};
181 GtkTreeSelection* sel = gtk_tree_view_get_selection(treeview);
183 GtkTreeModel * model = gtk_tree_view_get_model(treeview);
185 gtk_tree_selection_get_selected (sel, &model, &iter);
187 gtk_tree_model_get_value(model, &iter, 1, &the_value);
189 vl.value.f = g_value_get_double(&the_value);
190 g_value_unset(&the_value);
192 vl.label = val_labs_find (dialog->labs, vl.value);
198 static void repopulate_dialog(struct val_labs_dialog *dialog);
200 /* Callback which occurs when the "Change" button is clicked */
202 on_change(GtkWidget *w, gpointer data)
204 struct val_labs_dialog *dialog = data;
206 const gchar *val_text = gtk_entry_get_text(GTK_ENTRY(dialog->value_entry));
210 text_to_value(val_text, &v,
211 *psppire_variable_get_write_spec(dialog->pv));
213 val_labs_replace (dialog->labs, v,
214 gtk_entry_get_text(GTK_ENTRY(dialog->label_entry)));
216 gtk_widget_set_sensitive(dialog->change_button, FALSE);
218 repopulate_dialog(dialog);
223 /* Callback which occurs when the "Add" button is clicked */
225 on_add(GtkWidget *w, gpointer data)
227 struct val_labs_dialog *dialog = data;
231 const gchar *text = gtk_entry_get_text(GTK_ENTRY(dialog->value_entry));
233 text_to_value(text, &v,
234 *psppire_variable_get_write_spec(dialog->pv));
237 if ( ! val_labs_add (dialog->labs, v,
238 gtk_entry_get_text(GTK_ENTRY(dialog->label_entry)) ) )
242 gtk_widget_set_sensitive(dialog->add_button, FALSE);
244 repopulate_dialog(dialog);
249 /* Callback which occurs when the "Remove" button is clicked */
251 on_remove(GtkWidget *w, gpointer data)
253 struct val_labs_dialog *dialog = data;
255 struct val_lab *vl = get_selected_tuple(dialog);
257 val_labs_remove (dialog->labs, vl->value);
259 repopulate_dialog(dialog);
261 gtk_widget_set_sensitive(dialog->remove_button, FALSE);
268 /* Callback which occurs when a line item is selected in the list of
269 value--label pairs.*/
271 on_select_row (GtkTreeView *treeview,
275 struct val_labs_dialog *dialog = data;
277 struct val_lab * vl = get_selected_tuple(dialog);
279 gchar *const text = value_to_text(vl->value,
280 *psppire_variable_get_write_spec(dialog->pv));
282 g_signal_handler_block(GTK_ENTRY(dialog->value_entry),
283 dialog->value_handler_id);
285 gtk_entry_set_text(GTK_ENTRY(dialog->value_entry), text);
287 g_signal_handler_unblock(GTK_ENTRY(dialog->value_entry),
288 dialog->value_handler_id);
291 g_signal_handler_block(GTK_ENTRY(dialog->label_entry),
292 dialog->change_handler_id);
294 labeltext = pspp_locale_to_utf8(vl->label, -1, 0);
295 gtk_entry_set_text(GTK_ENTRY(dialog->label_entry),
299 g_signal_handler_unblock(GTK_ENTRY(dialog->label_entry),
300 dialog->change_handler_id);
302 gtk_widget_set_sensitive(dialog->remove_button, TRUE);
303 gtk_widget_set_sensitive(dialog->change_button, FALSE);
307 /* Create a new dialog box
308 (there should normally be only one)*/
309 struct val_labs_dialog *
310 val_labs_dialog_create(GladeXML *xml)
312 GtkTreeViewColumn *column;
314 GtkCellRenderer *renderer ;
316 struct val_labs_dialog *dialog = g_malloc(sizeof(*dialog));
318 dialog->window = get_widget_assert(xml,"val_labs_dialog");
319 dialog->value_entry = get_widget_assert(xml,"value_entry");
320 dialog->label_entry = get_widget_assert(xml,"label_entry");
322 gtk_window_set_transient_for
323 (GTK_WINDOW(dialog->window),
324 GTK_WINDOW(get_widget_assert(xml, "data_editor")));
326 dialog->ok = get_widget_assert(xml, "val_labs_ok");
327 dialog->add_button = get_widget_assert(xml, "val_labs_add");
328 dialog->remove_button = get_widget_assert(xml, "val_labs_remove");
329 dialog->change_button = get_widget_assert(xml, "val_labs_change");
331 dialog->treeview = get_widget_assert(xml,"treeview1");
333 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(dialog->treeview), FALSE);
335 renderer = gtk_cell_renderer_text_new();
337 column = gtk_tree_view_column_new_with_attributes ("Title",
343 gtk_tree_view_append_column (GTK_TREE_VIEW (dialog->treeview), column);
345 g_signal_connect(GTK_OBJECT(get_widget_assert(xml, "val_labs_cancel")),
347 GTK_SIGNAL_FUNC(val_labs_cancel), dialog);
349 dialog->change_handler_id =
350 g_signal_connect(GTK_OBJECT(dialog->label_entry),
352 GTK_SIGNAL_FUNC(on_label_entry_change), dialog);
354 dialog->value_handler_id =
355 g_signal_connect(GTK_OBJECT(dialog->value_entry),
357 GTK_SIGNAL_FUNC(on_value_entry_change), dialog);
359 g_signal_connect(GTK_OBJECT(dialog->change_button),
361 GTK_SIGNAL_FUNC(on_change), dialog);
364 g_signal_connect(GTK_OBJECT(get_widget_assert(xml, "val_labs_ok")),
366 GTK_SIGNAL_FUNC(val_labs_ok), dialog);
369 g_signal_connect(GTK_OBJECT(dialog->treeview), "cursor-changed",
370 GTK_SIGNAL_FUNC(on_select_row), dialog);
373 g_signal_connect(GTK_OBJECT(dialog->remove_button), "clicked",
374 GTK_SIGNAL_FUNC(on_remove), dialog);
377 g_signal_connect(GTK_OBJECT(dialog->add_button), "clicked",
378 GTK_SIGNAL_FUNC(on_add), dialog);
386 /* Populate the components of the dialog box, from the 'labs' member
389 repopulate_dialog(struct val_labs_dialog *dialog)
391 struct val_labs_iterator *vli = 0;
396 GtkListStore *list_store = gtk_list_store_new (2,
400 g_signal_handler_block(GTK_ENTRY(dialog->label_entry),
401 dialog->change_handler_id);
402 g_signal_handler_block(GTK_ENTRY(dialog->value_entry),
403 dialog->value_handler_id);
405 gtk_entry_set_text(GTK_ENTRY(dialog->value_entry), "");
406 gtk_entry_set_text(GTK_ENTRY(dialog->label_entry), "");
408 g_signal_handler_unblock(GTK_ENTRY(dialog->value_entry),
409 dialog->value_handler_id);
410 g_signal_handler_unblock(GTK_ENTRY(dialog->label_entry),
411 dialog->change_handler_id);
414 for(vl = val_labs_first_sorted (dialog->labs, &vli);
416 vl = val_labs_next(dialog->labs, &vli))
420 value_to_text(vl->value,
421 *psppire_variable_get_write_spec(dialog->pv));
424 pspp_locale_to_utf8(vl->label, -1, 0);
426 gchar *const text = g_strdup_printf("%s = \"%s\"",
430 gtk_list_store_append (list_store, &iter);
431 gtk_list_store_set (list_store, &iter,
441 gtk_tree_view_set_model(GTK_TREE_VIEW(dialog->treeview),
442 GTK_TREE_MODEL(list_store));
444 g_object_unref(list_store);
448 /* Initialise and display the dialog box */
450 val_labs_dialog_show(struct val_labs_dialog *dialog)
452 g_assert(!dialog->labs);
453 dialog->labs = val_labs_copy(
454 psppire_variable_get_value_labels(dialog->pv)
458 gtk_widget_set_sensitive(dialog->remove_button, FALSE);
459 gtk_widget_set_sensitive(dialog->change_button, FALSE);
460 gtk_widget_set_sensitive(dialog->add_button, FALSE);
462 repopulate_dialog(dialog);
463 gtk_widget_show(dialog->window);