1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2012 Free Software Foundation, Inc.
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 #include "psppire-value-entry.h"
19 #include "data/data-in.h"
20 #include "data/value-labels.h"
21 #include "data/variable.h"
22 #include "libpspp/cast.h"
23 #include "libpspp/i18n.h"
24 #include "ui/gui/helper.h"
25 #include "ui/gui/psppire-format.h"
27 static void psppire_value_entry_finalize (GObject *);
29 G_DEFINE_TYPE (PsppireValueEntry,
35 COL_LABEL, /* Value label string. */
36 COL_VALUE, /* union value *. */
43 PROP_SHOW_VALUE_LABEL,
52 psppire_value_entry_set_property (GObject *object,
57 PsppireValueEntry *obj = PSPPIRE_VALUE_ENTRY (object);
61 case PROP_SHOW_VALUE_LABEL:
62 psppire_value_entry_set_show_value_label (obj,
63 g_value_get_boolean (value));
67 psppire_value_entry_set_variable (obj, g_value_get_pointer (value));
70 case PROP_VALUE_LABELS:
71 psppire_value_entry_set_value_labels (obj, g_value_get_pointer (value));
75 psppire_value_entry_set_format (obj, g_value_get_boxed (value));
79 psppire_value_entry_set_encoding (obj, g_value_get_string (value));
83 psppire_value_entry_set_width (obj, g_value_get_int (value));
87 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
93 psppire_value_entry_get_property (GObject *object,
98 PsppireValueEntry *obj = PSPPIRE_VALUE_ENTRY (object);
102 case PROP_SHOW_VALUE_LABEL:
103 g_value_set_boolean (value,
104 psppire_value_entry_get_show_value_label (obj));
108 g_return_if_reached ();
110 case PROP_VALUE_LABELS:
111 g_value_set_pointer (value, obj->val_labs);
115 g_value_set_boxed (value, &obj->format);
119 g_value_set_string (value, psppire_value_entry_get_encoding (obj));
123 g_value_set_int (value, psppire_value_entry_get_width (obj));
127 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
133 psppire_value_entry_text_changed (GtkEntryBuffer *buffer,
135 PsppireValueEntry *obj)
137 obj->cur_value = NULL;
142 on_realize (GtkWidget *w)
144 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (w)));
145 GtkEntryBuffer *buffer = gtk_entry_get_buffer (entry);
147 gtk_combo_box_set_entry_text_column (GTK_COMBO_BOX (w), COL_LABEL);
149 g_signal_connect (buffer, "notify::text",
150 G_CALLBACK (psppire_value_entry_text_changed), w);
152 GTK_WIDGET_CLASS (psppire_value_entry_parent_class)->realize (w);
156 psppire_value_entry_class_init (PsppireValueEntryClass *class)
158 GObjectClass *gobject_class = G_OBJECT_CLASS (class);
159 GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
162 gobject_class->finalize = psppire_value_entry_finalize;
163 gobject_class->set_property = psppire_value_entry_set_property;
164 gobject_class->get_property = psppire_value_entry_get_property;
165 widget_class->realize = on_realize;
167 g_object_class_install_property (
168 gobject_class, PROP_SHOW_VALUE_LABEL,
169 g_param_spec_boolean ("show-value-label",
171 "If true, a value that has a value label is shown "
172 "as the label. If false, all values are shown "
175 G_PARAM_WRITABLE | G_PARAM_READABLE));
177 g_object_class_install_property (
178 gobject_class, PROP_VARIABLE,
179 g_param_spec_pointer ("variable",
181 "Set to configure the PsppireValueEntry according "
182 "to the specified variable's value labels, format, "
183 "width, and encoding.",
186 g_object_class_install_property (
187 gobject_class, PROP_VALUE_LABELS,
188 g_param_spec_pointer ("value-labels",
190 "The set of value labels from which the user may "
191 "choose and which is used to display the value (if "
192 "value labels are to be displayed)",
193 G_PARAM_READABLE | G_PARAM_WRITABLE));
195 g_object_class_install_property (
196 gobject_class, PROP_FORMAT,
197 g_param_spec_boxed ("format",
199 "The format used to display values (that are not "
200 "displayed as value labels) and to interpret values "
203 G_PARAM_READABLE | G_PARAM_WRITABLE));
205 g_object_class_install_property (
206 gobject_class, PROP_ENCODING,
207 g_param_spec_string ("encoding",
209 "The encoding (e.g. \"UTF-8\") for string values. "
210 "For numeric values this setting has no effect.",
212 G_PARAM_READABLE | G_PARAM_WRITABLE));
214 g_object_class_install_property (
215 gobject_class, PROP_WIDTH,
216 g_param_spec_int ("width",
218 "Width of the value, either 0 for a numeric value or "
219 "a positive integer count of bytes for string values.",
222 G_PARAM_READABLE | G_PARAM_WRITABLE));
226 psppire_value_entry_init (PsppireValueEntry *obj)
228 obj->show_value_label = true;
229 obj->val_labs = NULL;
231 obj->encoding = NULL;
232 obj->cur_value = NULL;
236 psppire_value_entry_finalize (GObject *gobject)
238 PsppireValueEntry *obj = PSPPIRE_VALUE_ENTRY (gobject);
240 val_labs_destroy (obj->val_labs);
241 g_free (obj->encoding);
243 G_OBJECT_CLASS (psppire_value_entry_parent_class)->finalize (gobject);
247 psppire_value_entry_new (void)
249 return GTK_WIDGET (g_object_new (PSPPIRE_TYPE_VALUE_ENTRY, "has-entry", TRUE, NULL));
253 psppire_value_entry_refresh_model (PsppireValueEntry *obj)
256 GtkTreeModel *old_model;
258 if (val_labs_count (obj->val_labs) > 0)
260 const struct val_lab **vls = val_labs_sorted (obj->val_labs);
261 size_t n_vls = val_labs_count (obj->val_labs);
263 GtkListStore *list_store;
266 list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
267 model = GTK_TREE_MODEL (list_store);
268 for (i = 0; i < n_vls; i++)
270 const struct val_lab *vl = vls[i];
273 gtk_list_store_append (list_store, &iter);
274 gtk_list_store_set (list_store, &iter,
275 COL_LABEL, val_lab_get_label (vl),
276 COL_VALUE, val_lab_get_value (vl),
284 old_model = gtk_combo_box_get_model (GTK_COMBO_BOX (obj));
286 if (old_model != model)
288 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
289 gtk_entry_set_text (entry, "");
292 gtk_combo_box_set_model (GTK_COMBO_BOX (obj), model);
294 g_object_unref (model);
298 psppire_value_entry_set_show_value_label (PsppireValueEntry *obj,
299 gboolean show_value_label)
301 if (obj->show_value_label != show_value_label)
303 obj->show_value_label = show_value_label;
304 g_object_notify (G_OBJECT (obj), "show-value-label");
309 psppire_value_entry_get_show_value_label (const PsppireValueEntry *obj)
311 return obj->show_value_label;
315 psppire_value_entry_set_variable (PsppireValueEntry *obj,
316 const struct variable *var)
320 psppire_value_entry_set_value_labels (obj, var_get_value_labels (var));
321 obj->format = *var_get_print_format (var);
322 psppire_value_entry_set_encoding (obj, var_get_encoding (var));
325 psppire_value_entry_set_value_labels (obj, NULL);
329 psppire_value_entry_set_value_labels (PsppireValueEntry *obj,
330 const struct val_labs *val_labs)
332 if (!val_labs_equal (obj->val_labs, val_labs))
334 obj->cur_value = NULL;
336 val_labs_destroy (obj->val_labs);
337 obj->val_labs = val_labs_clone (val_labs);
339 if (val_labs != NULL)
341 int width = val_labs_get_width (val_labs);
342 if (width != fmt_var_width (&obj->format))
343 obj->format = fmt_default_for_width (width);
346 psppire_value_entry_refresh_model (obj);
348 g_object_notify (G_OBJECT (obj), "value-labels");
352 const struct val_labs *
353 psppire_value_entry_get_value_labels (const PsppireValueEntry *obj)
355 return obj->val_labs;
359 psppire_value_entry_set_format (PsppireValueEntry *obj,
360 const struct fmt_spec *format)
362 if (!fmt_equal (format, &obj->format))
364 obj->cur_value = NULL;
365 obj->format = *format;
368 && val_labs_get_width (obj->val_labs) != fmt_var_width (format))
369 psppire_value_entry_set_value_labels (obj, NULL);
371 g_object_notify (G_OBJECT (obj), "format");
375 const struct fmt_spec *
376 psppire_value_entry_get_format (const PsppireValueEntry *obj)
382 psppire_value_entry_set_encoding (PsppireValueEntry *obj,
383 const gchar *encoding)
385 g_free (obj->encoding);
386 obj->encoding = encoding != NULL ? g_strdup (encoding) : NULL;
388 g_object_notify (G_OBJECT (obj), "encoding");
392 psppire_value_entry_get_encoding (const PsppireValueEntry *obj)
394 return obj->encoding ? obj->encoding : UTF8;
398 psppire_value_entry_set_width (PsppireValueEntry *obj, int width)
400 if (width != fmt_var_width (&obj->format))
402 struct fmt_spec format = fmt_default_for_width (width);
403 psppire_value_entry_set_format (obj, &format);
408 psppire_value_entry_get_width (const PsppireValueEntry *obj)
410 return fmt_var_width (&obj->format);
414 psppire_value_entry_set_value (PsppireValueEntry *obj,
415 const union value *value,
418 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
421 obj->cur_value = NULL;
422 if (obj->show_value_label)
424 struct val_lab *vl = val_labs_lookup (obj->val_labs, value);
427 gtk_entry_set_text (entry, val_lab_get_label (vl));
428 obj->cur_value = val_lab_get_value (vl);
433 string = value_to_text__ (*value, &obj->format, obj->encoding);
434 gtk_entry_set_text (entry, string);
439 psppire_value_entry_get_value (PsppireValueEntry *obj,
443 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
446 g_return_val_if_fail (fmt_var_width (&obj->format) == width, FALSE);
450 value_copy (value, obj->cur_value, width);
453 else if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (obj), &iter))
457 gtk_tree_model_get (gtk_combo_box_get_model (GTK_COMBO_BOX (obj)), &iter,
460 value_copy (value, v, width);
465 const gchar *new_text;
467 new_text = gtk_entry_get_text (entry);
468 return data_in_msg (ss_cstr (new_text), UTF8,
470 value, width, obj->encoding);