1 /* PSPPIRE - a graphical user interface for PSPP.
2 Copyright (C) 2009 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/>. */
19 #include <gtk/gtktreeview.h>
20 #include "psppire-dictview.h"
21 #include "psppire-dict.h"
22 #include "psppire-conf.h"
23 #include <data/format.h>
27 #define _(msgid) gettext (msgid)
28 #define N_(msgid) msgid
30 static void psppire_dict_view_base_finalize (PsppireDictViewClass *, gpointer);
31 static void psppire_dict_view_base_init (PsppireDictViewClass *class);
32 static void psppire_dict_view_class_init (PsppireDictViewClass *class);
33 static void psppire_dict_view_init (PsppireDictView *dict_view);
37 psppire_dict_view_get_type (void)
39 static GType psppire_dict_view_type = 0;
41 if (!psppire_dict_view_type)
43 static const GTypeInfo psppire_dict_view_info =
45 sizeof (PsppireDictViewClass),
46 (GBaseInitFunc) psppire_dict_view_base_init,
47 (GBaseFinalizeFunc) psppire_dict_view_base_finalize,
48 (GClassInitFunc)psppire_dict_view_class_init,
49 (GClassFinalizeFunc) NULL,
51 sizeof (PsppireDictView),
53 (GInstanceInitFunc) psppire_dict_view_init,
56 psppire_dict_view_type =
57 g_type_register_static (GTK_TYPE_TREE_VIEW, "PsppireDictView",
58 &psppire_dict_view_info, 0);
61 return psppire_dict_view_type;
66 psppire_dict_view_finalize (GObject *object)
68 PsppireDictView *dict_view = PSPPIRE_DICT_VIEW (object);
70 g_object_unref (dict_view->menu);
83 /* A GtkTreeModelFilterVisibleFunc to filter lines in the treeview */
85 filter_variables (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
87 var_predicate_func *predicate = data;
89 PsppireDict *dict = PSPPIRE_DICT (model);
91 GtkTreePath *path = gtk_tree_model_get_path (model, iter);
93 gint *idx = gtk_tree_path_get_indices (path);
95 var = psppire_dict_get_variable (dict, *idx);
97 gtk_tree_path_free (path);
99 return predicate (var);
103 set_model (PsppireDictView *dict_view)
105 GtkTreeModel *model ;
107 if ( dict_view->predicate )
109 model = gtk_tree_model_filter_new (GTK_TREE_MODEL (dict_view->dict),
112 gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (model),
114 dict_view->predicate,
119 model = GTK_TREE_MODEL (dict_view->dict);
122 gtk_tree_view_set_model (GTK_TREE_VIEW (dict_view), model);
126 psppire_dict_view_set_property (GObject *object,
131 PsppireDictView *dict_view = PSPPIRE_DICT_VIEW (object);
136 dict_view->dict = g_value_get_object (value);
139 dict_view->predicate = g_value_get_pointer (value);
141 case PROP_SELECTION_MODE:
143 GtkTreeSelection *selection =
144 gtk_tree_view_get_selection (GTK_TREE_VIEW (dict_view));
146 GtkSelectionMode mode = g_value_get_enum (value);
148 gtk_tree_selection_set_mode (selection, mode);
152 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
157 set_model (dict_view);
162 psppire_dict_view_get_property (GObject *object,
167 PsppireDictView *dict_view = PSPPIRE_DICT_VIEW (object);
172 g_value_set_object (value, dict_view->dict);
175 g_value_set_pointer (value, dict_view->predicate);
177 case PROP_SELECTION_MODE:
179 GtkTreeSelection *selection =
180 gtk_tree_view_get_selection (GTK_TREE_VIEW (dict_view));
182 g_value_set_enum (value, gtk_tree_selection_get_mode (selection));
185 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
193 psppire_dict_view_class_init (PsppireDictViewClass *class)
195 GObjectClass *object_class = G_OBJECT_CLASS (class);
197 GParamSpec *model_spec =
198 g_param_spec_object ("model",
200 _("The dictionary to be displayed by this widget"),
202 G_PARAM_READABLE | G_PARAM_WRITABLE);
204 GParamSpec *predicate_spec =
205 g_param_spec_pointer ("predicate",
207 _("A predicate function"),
208 G_PARAM_READABLE | G_PARAM_WRITABLE);
211 GParamSpec *selection_mode_spec =
212 g_param_spec_enum ("selection-mode",
214 _("How many things can be selected"),
215 GTK_TYPE_SELECTION_MODE,
216 GTK_SELECTION_MULTIPLE,
217 G_PARAM_CONSTRUCT | G_PARAM_READABLE | G_PARAM_WRITABLE);
220 object_class->set_property = psppire_dict_view_set_property;
221 object_class->get_property = psppire_dict_view_get_property;
223 g_object_class_install_property (object_class,
227 g_object_class_install_property (object_class,
231 g_object_class_install_property (object_class,
233 selection_mode_spec);
238 psppire_dict_view_base_init (PsppireDictViewClass *class)
240 GObjectClass *object_class = G_OBJECT_CLASS (class);
242 object_class->finalize = psppire_dict_view_finalize;
248 psppire_dict_view_base_finalize (PsppireDictViewClass *class,
256 dv_get_base_model (GtkTreeModel *top_model, GtkTreeIter *top_iter,
257 GtkTreeModel **model, GtkTreeIter *iter
262 while (GTK_IS_TREE_MODEL_FILTER (*model))
264 GtkTreeIter parent_iter = *iter;
265 GtkTreeModelFilter *parent_model = GTK_TREE_MODEL_FILTER (*model);
267 *model = gtk_tree_model_filter_get_model (parent_model);
269 gtk_tree_model_filter_convert_iter_to_child_iter (parent_model,
274 g_assert (PSPPIRE_IS_DICT (*model));
279 /* A GtkTreeCellDataFunc which renders the name and/or label of the
282 var_description_cell_data_func (GtkTreeViewColumn *col,
283 GtkCellRenderer *cell,
284 GtkTreeModel *top_model,
285 GtkTreeIter *top_iter,
288 PsppireDictView *dv = PSPPIRE_DICT_VIEW (data);
289 struct variable *var;
294 dv_get_base_model (top_model, top_iter, &model, &iter);
296 g_assert (PSPPIRE_IS_DICT (model));
298 gtk_tree_model_get (model,
299 &iter, DICT_TVM_COL_VAR, &var, -1);
301 if ( var_has_label (var) && dv->prefer_labels)
303 gchar *text = g_strdup_printf (
304 "<span stretch=\"condensed\">%s</span>",
305 var_get_label (var));
307 char *utf8 = pspp_locale_to_utf8 (text, -1, NULL);
310 g_object_set (cell, "markup", utf8, NULL);
315 char *name = pspp_locale_to_utf8 (var_get_name (var), -1, NULL);
316 g_object_set (cell, "text", name, NULL);
323 /* A GtkTreeCellDataFunc which sets the icon appropriate to the type
326 var_icon_cell_data_func (GtkTreeViewColumn *col,
327 GtkCellRenderer *cell,
332 struct variable *var;
333 gtk_tree_model_get (model, iter, DICT_TVM_COL_VAR, &var, -1);
335 if ( var_is_alpha (var))
337 g_object_set (cell, "stock-id", "var-string", NULL);
341 const struct fmt_spec *fs = var_get_write_format (var);
342 int cat = fmt_get_category (fs->type);
343 switch ( var_get_measure (var))
345 case MEASURE_NOMINAL:
346 g_object_set (cell, "stock-id", "var-nominal", NULL);
348 case MEASURE_ORDINAL:
349 g_object_set (cell, "stock-id", "var-ordinal", NULL);
352 if ( ( FMT_CAT_DATE | FMT_CAT_TIME ) & cat )
353 g_object_set (cell, "stock-id", "var-date-scale", NULL);
355 g_object_set (cell, "stock-id", "var-scale", NULL);
358 g_assert_not_reached ();
364 /* Sets the tooltip to be the name of the variable under the cursor */
366 set_tooltip_for_variable (GtkTreeView *treeview,
369 gboolean keyboard_mode,
376 GtkTreeModel *tree_model;
377 struct variable *var = NULL;
381 gtk_tree_view_convert_widget_to_bin_window_coords (treeview,
384 if (!gtk_tree_view_get_path_at_pos (treeview, bx, by,
385 &path, NULL, NULL, NULL))
388 tree_model = gtk_tree_view_get_model (treeview);
391 gtk_tree_view_set_tooltip_row (treeview, tooltip, path);
393 ok = gtk_tree_model_get_iter (tree_model, &iter, path);
395 gtk_tree_path_free (path);
400 gtk_tree_model_get (tree_model, &iter, DICT_TVM_COL_VAR, &var, -1);
402 if ( ! var_has_label (var))
408 if ( PSPPIRE_DICT_VIEW (treeview)->prefer_labels )
409 tip = pspp_locale_to_utf8 (var_get_name (var), -1, NULL);
411 tip = pspp_locale_to_utf8 (var_get_label (var), -1, NULL);
413 gtk_tooltip_set_text (tooltip, tip);
422 show_menu (PsppireDictView *dv, GdkEventButton *event, gpointer data)
424 if (event->button != 3)
427 gtk_menu_popup (GTK_MENU (dv->menu), NULL, NULL, NULL, NULL,
428 event->button, event->time);
434 toggle_label_preference (GtkCheckMenuItem *checkbox, gpointer data)
436 PsppireDictView *dv = PSPPIRE_DICT_VIEW (data);
438 dv->prefer_labels = gtk_check_menu_item_get_active (checkbox);
440 gtk_widget_queue_draw (GTK_WIDGET (dv));
444 psppire_dict_view_init (PsppireDictView *dict_view)
446 GtkTreeViewColumn *col = gtk_tree_view_column_new ();
448 GtkCellRenderer *renderer = gtk_cell_renderer_pixbuf_new ();
450 dict_view->prefer_labels = TRUE;
452 psppire_conf_get_boolean (psppire_conf_new (),
453 "dialog-boxes", "prefer-labels",
454 &dict_view->prefer_labels);
456 gtk_tree_view_column_set_title (col, _("Variable"));
458 gtk_tree_view_column_pack_start (col, renderer, FALSE);
460 gtk_tree_view_column_set_cell_data_func (col, renderer,
461 var_icon_cell_data_func,
464 renderer = gtk_cell_renderer_text_new ();
465 gtk_tree_view_column_pack_start (col, renderer, TRUE);
466 gtk_tree_view_column_set_cell_data_func (col, renderer,
467 var_description_cell_data_func,
470 g_object_set (renderer, "ellipsize-set", TRUE, NULL);
471 g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_MIDDLE, NULL);
473 gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
475 /* FIXME: make this a value in terms of character widths */
476 gtk_tree_view_column_set_min_width (col, 150);
478 gtk_tree_view_append_column (GTK_TREE_VIEW (dict_view), col);
480 g_object_set (dict_view, "has-tooltip", TRUE, NULL);
482 g_signal_connect (dict_view, "query-tooltip",
483 G_CALLBACK (set_tooltip_for_variable), NULL);
485 dict_view->menu = gtk_menu_new ();
489 GtkWidget *checkbox =
490 gtk_check_menu_item_new_with_label (_("Prefer variable labels"));
492 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (checkbox),
493 dict_view->prefer_labels);
495 g_signal_connect (checkbox, "toggled",
496 G_CALLBACK (toggle_label_preference), dict_view);
499 gtk_menu_shell_append (GTK_MENU_SHELL (dict_view->menu), checkbox);
503 gtk_widget_show_all (dict_view->menu);
505 g_signal_connect (dict_view, "button-press-event",
506 G_CALLBACK (show_menu), NULL);
511 psppire_dict_view_new (void)
513 return GTK_WIDGET (g_object_new (psppire_dict_view_get_type (), NULL));
519 psppire_dict_view_get_selected_variable (PsppireDictView *treeview)
521 struct variable *var;
522 GtkTreeModel *top_model;
523 GtkTreeIter top_iter;
528 GtkTreeSelection *selection =
529 gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
531 if (! gtk_tree_selection_get_selected (selection,
532 &top_model, &top_iter))
535 dv_get_base_model (top_model, &top_iter, &model, &iter);
537 g_assert (PSPPIRE_IS_DICT (model));
539 gtk_tree_model_get (model,
540 &iter, DICT_TVM_COL_VAR, &var, -1);