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,
31 GTK_TYPE_COMBO_BOX_ENTRY);
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_class_init (PsppireValueEntryClass *class)
135 GObjectClass *gobject_class;
136 gobject_class = G_OBJECT_CLASS (class);
138 gobject_class->finalize = psppire_value_entry_finalize;
139 gobject_class->set_property = psppire_value_entry_set_property;
140 gobject_class->get_property = psppire_value_entry_get_property;
142 g_object_class_install_property (
143 gobject_class, PROP_SHOW_VALUE_LABEL,
144 g_param_spec_boolean ("show-value-label",
146 "If true, a value that has a value label is shown "
147 "as the label. If false, all values are shown "
150 G_PARAM_WRITABLE | G_PARAM_READABLE));
152 g_object_class_install_property (
153 gobject_class, PROP_VARIABLE,
154 g_param_spec_pointer ("variable",
156 "Set to configure the PsppireValueEntry according "
157 "to the specified variable's value labels, format, "
158 "width, and encoding.",
161 g_object_class_install_property (
162 gobject_class, PROP_VALUE_LABELS,
163 g_param_spec_pointer ("value-labels",
165 "The set of value labels from which the user may "
166 "choose and which is used to display the value (if "
167 "value labels are to be displayed)",
168 G_PARAM_READABLE | G_PARAM_WRITABLE));
170 g_object_class_install_property (
171 gobject_class, PROP_FORMAT,
172 g_param_spec_boxed ("format",
174 "The format used to display values (that are not "
175 "displayed as value labels) and to interpret values "
178 G_PARAM_READABLE | G_PARAM_WRITABLE));
180 g_object_class_install_property (
181 gobject_class, PROP_ENCODING,
182 g_param_spec_string ("encoding",
184 "The encoding (e.g. \"UTF-8\") for string values. "
185 "For numeric values this setting has no effect.",
187 G_PARAM_READABLE | G_PARAM_WRITABLE));
189 g_object_class_install_property (
190 gobject_class, PROP_WIDTH,
191 g_param_spec_int ("width",
193 "Width of the value, either 0 for a numeric value or "
194 "a positive integer count of bytes for string values.",
197 G_PARAM_READABLE | G_PARAM_WRITABLE));
201 psppire_value_entry_text_changed (GtkEntryBuffer *buffer,
203 PsppireValueEntry *obj)
205 obj->cur_value = NULL;
209 psppire_value_entry_init (PsppireValueEntry *obj)
211 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
212 GtkEntryBuffer *buffer = gtk_entry_get_buffer (entry);
214 obj->show_value_label = true;
215 obj->val_labs = NULL;
217 obj->encoding = NULL;
218 obj->cur_value = NULL;
219 gtk_combo_box_entry_set_text_column (GTK_COMBO_BOX_ENTRY (obj), COL_LABEL);
221 g_signal_connect (buffer, "notify::text",
222 G_CALLBACK (psppire_value_entry_text_changed), obj);
226 psppire_value_entry_finalize (GObject *gobject)
228 PsppireValueEntry *obj = PSPPIRE_VALUE_ENTRY (gobject);
230 val_labs_destroy (obj->val_labs);
231 g_free (obj->encoding);
233 G_OBJECT_CLASS (psppire_value_entry_parent_class)->finalize (gobject);
237 psppire_value_entry_new (void)
239 return GTK_WIDGET (g_object_new (PSPPIRE_TYPE_VALUE_ENTRY, NULL));
243 psppire_value_entry_refresh_model (PsppireValueEntry *obj)
246 GtkTreeModel *old_model;
248 if (val_labs_count (obj->val_labs) > 0)
250 const struct val_lab **vls = val_labs_sorted (obj->val_labs);
251 size_t n_vls = val_labs_count (obj->val_labs);
253 GtkListStore *list_store;
256 list_store = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_POINTER);
257 model = GTK_TREE_MODEL (list_store);
258 for (i = 0; i < n_vls; i++)
260 const struct val_lab *vl = vls[i];
263 gtk_list_store_append (list_store, &iter);
264 gtk_list_store_set (list_store, &iter,
265 COL_LABEL, val_lab_get_label (vl),
266 COL_VALUE, val_lab_get_value (vl),
274 old_model = gtk_combo_box_get_model (GTK_COMBO_BOX (obj));
276 if (old_model != model)
278 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
279 gtk_entry_set_text (entry, "");
282 gtk_combo_box_set_model (GTK_COMBO_BOX (obj), model);
284 g_object_unref (model);
288 psppire_value_entry_set_show_value_label (PsppireValueEntry *obj,
289 gboolean show_value_label)
291 if (obj->show_value_label != show_value_label)
293 obj->show_value_label = show_value_label;
294 g_object_notify (G_OBJECT (obj), "show-value-label");
299 psppire_value_entry_get_show_value_label (const PsppireValueEntry *obj)
301 return obj->show_value_label;
305 psppire_value_entry_set_variable (PsppireValueEntry *obj,
306 const struct variable *var)
310 psppire_value_entry_set_value_labels (obj, var_get_value_labels (var));
311 obj->format = *var_get_print_format (var);
312 psppire_value_entry_set_encoding (obj, var_get_encoding (var));
315 psppire_value_entry_set_value_labels (obj, NULL);
319 psppire_value_entry_set_value_labels (PsppireValueEntry *obj,
320 const struct val_labs *val_labs)
322 if (!val_labs_equal (obj->val_labs, val_labs))
324 obj->cur_value = NULL;
326 val_labs_destroy (obj->val_labs);
327 obj->val_labs = val_labs_clone (val_labs);
329 if (val_labs != NULL)
331 int width = val_labs_get_width (val_labs);
332 if (width != fmt_var_width (&obj->format))
333 obj->format = fmt_default_for_width (width);
336 psppire_value_entry_refresh_model (obj);
338 g_object_notify (G_OBJECT (obj), "value-labels");
342 const struct val_labs *
343 psppire_value_entry_get_value_labels (const PsppireValueEntry *obj)
345 return obj->val_labs;
349 psppire_value_entry_set_format (PsppireValueEntry *obj,
350 const struct fmt_spec *format)
352 if (!fmt_equal (format, &obj->format))
354 obj->cur_value = NULL;
355 obj->format = *format;
358 && val_labs_get_width (obj->val_labs) != fmt_var_width (format))
359 psppire_value_entry_set_value_labels (obj, NULL);
361 g_object_notify (G_OBJECT (obj), "format");
365 const struct fmt_spec *
366 psppire_value_entry_get_format (const PsppireValueEntry *obj)
372 psppire_value_entry_set_encoding (PsppireValueEntry *obj,
373 const gchar *encoding)
375 g_free (obj->encoding);
376 obj->encoding = encoding != NULL ? g_strdup (encoding) : NULL;
378 g_object_notify (G_OBJECT (obj), "encoding");
382 psppire_value_entry_get_encoding (const PsppireValueEntry *obj)
384 return obj->encoding ? obj->encoding : UTF8;
388 psppire_value_entry_set_width (PsppireValueEntry *obj, int width)
390 if (width != fmt_var_width (&obj->format))
392 struct fmt_spec format = fmt_default_for_width (width);
393 psppire_value_entry_set_format (obj, &format);
398 psppire_value_entry_get_width (const PsppireValueEntry *obj)
400 return fmt_var_width (&obj->format);
404 psppire_value_entry_set_value (PsppireValueEntry *obj,
405 const union value *value,
408 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
411 obj->cur_value = NULL;
412 if (obj->show_value_label)
414 struct val_lab *vl = val_labs_lookup (obj->val_labs, value);
417 gtk_entry_set_text (entry, val_lab_get_label (vl));
418 obj->cur_value = val_lab_get_value (vl);
423 string = value_to_text__ (*value, &obj->format, obj->encoding);
424 gtk_entry_set_text (entry, string);
429 psppire_value_entry_get_value (PsppireValueEntry *obj,
433 GtkEntry *entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (obj)));
436 g_return_val_if_fail (fmt_var_width (&obj->format) == width, FALSE);
440 value_copy (value, obj->cur_value, width);
443 else if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (obj), &iter))
447 gtk_tree_model_get (gtk_combo_box_get_model (GTK_COMBO_BOX (obj)), &iter,
450 value_copy (value, v, width);
455 const gchar *new_text;
457 new_text = gtk_entry_get_text (entry);
458 return data_in_msg (ss_cstr (new_text), UTF8,
460 value, width, obj->encoding);