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 <gtk/gtkcellrenderertext.h>
21 #include "psppire-var-view.h"
22 #include "psppire-var-ptr.h"
23 #include "psppire-select-dest.h"
25 #include <data/variable.h>
28 #define _(msgid) gettext (msgid)
29 #define N_(msgid) msgid
31 static void psppire_var_view_base_finalize (PsppireVarViewClass *, gpointer);
32 static void psppire_var_view_base_init (PsppireVarViewClass *class);
33 static void psppire_var_view_class_init (PsppireVarViewClass *class);
34 static void psppire_var_view_init (PsppireVarView *var_view);
36 /* Returns TRUE iff VV contains the item V.
37 V must be an initialised value containing a
41 var_view_contains_var (PsppireSelectDestWidget *sdm, const GValue *v)
45 PsppireVarView *vv = PSPPIRE_VAR_VIEW (sdm);
46 g_return_val_if_fail (G_VALUE_HOLDS (v, PSPPIRE_VAR_PTR_TYPE), FALSE);
48 for (ok = psppire_var_view_get_iter_first (vv, &iter);
50 ok = psppire_var_view_get_iter_next (vv, &iter))
52 const struct variable *var = psppire_var_view_get_variable (vv, 0, &iter);
53 if (var == g_value_get_boxed (v))
61 model_init (PsppireSelectDestWidgetIface *iface)
63 iface->contains_var = var_view_contains_var;
67 psppire_var_view_get_type (void)
69 static GType psppire_var_view_type = 0;
71 if (!psppire_var_view_type)
73 static const GTypeInfo psppire_var_view_info =
75 sizeof (PsppireVarViewClass),
76 (GBaseInitFunc) psppire_var_view_base_init,
77 (GBaseFinalizeFunc) psppire_var_view_base_finalize,
78 (GClassInitFunc)psppire_var_view_class_init,
79 (GClassFinalizeFunc) NULL,
81 sizeof (PsppireVarView),
83 (GInstanceInitFunc) psppire_var_view_init,
86 static const GInterfaceInfo var_view_model_info = {
87 (GInterfaceInitFunc) model_init, /* Fill this in */
92 psppire_var_view_type =
93 g_type_register_static (GTK_TYPE_TREE_VIEW, "PsppireVarView",
94 &psppire_var_view_info, 0);
96 g_type_add_interface_static (psppire_var_view_type,
97 PSPPIRE_TYPE_SELECT_DEST_WIDGET,
98 &var_view_model_info);
101 return psppire_var_view_type;
106 psppire_var_view_finalize (GObject *object)
108 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
109 g_free (var_view->nums);
119 /* A (*GtkTreeCellDataFunc) function.
120 This function expects TREEMODEL to hold PSPPIRE_VAR_PTR_TYPE.
121 It renders the name of the variable into CELL.
124 display_cell_var_name (GtkTreeViewColumn *tree_column,
125 GtkCellRenderer *cell,
126 GtkTreeModel *treemodel,
130 struct variable *var;
134 GtkTreePath *path = gtk_tree_model_get_path (treemodel, iter);
136 gtk_tree_model_get_value (treemodel, iter, *col, &value);
138 gtk_tree_path_free (path);
140 var = g_value_get_boxed (&value);
142 g_value_unset (&value);
144 g_object_set (cell, "text", var_get_name (var), NULL);
149 psppire_var_view_get_property (GObject *object,
154 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
159 g_value_set_int (value, gtk_tree_model_iter_n_children (GTK_TREE_MODEL (var_view->list), NULL));
162 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
169 psppire_var_view_set_property (GObject *object,
174 PsppireVarView *var_view = PSPPIRE_VAR_VIEW (object);
180 gint n_cols = g_value_get_int (value);
184 GType *array = g_alloca (sizeof (GType) * n_cols);
186 var_view->nums = g_malloc (sizeof *var_view->nums * n_cols);
188 for (c = 0 ; c < n_cols; ++c)
190 GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
191 GtkTreeViewColumn *col = gtk_tree_view_column_new ();
193 gchar *label = g_strdup_printf (_("Var%d"), c + 1);
195 gtk_tree_view_column_set_min_width (col, 100);
196 gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
197 gtk_tree_view_column_set_resizable (col, TRUE);
198 gtk_tree_view_column_set_title (col, label);
202 var_view->nums[c] = c;
204 gtk_tree_view_column_pack_start (col, renderer, TRUE);
205 gtk_tree_view_column_set_cell_data_func (col, renderer,
206 display_cell_var_name,
207 &var_view->nums[c], 0);
209 gtk_tree_view_append_column (GTK_TREE_VIEW (var_view), col);
210 array[c] = PSPPIRE_VAR_PTR_TYPE;
213 /* Set a model, which is an GtkListStore of gpointers which point to a variable */
214 var_view->list = gtk_list_store_newv (n_cols, array);
215 gtk_tree_view_set_model (GTK_TREE_VIEW (var_view), GTK_TREE_MODEL (var_view->list));
219 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
225 psppire_var_view_class_init (PsppireVarViewClass *class)
227 GObjectClass *object_class = G_OBJECT_CLASS (class);
229 GParamSpec *n_cols_spec =
230 g_param_spec_int ("n-cols",
232 "The Number of Columns in the Variable View",
235 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READABLE | G_PARAM_WRITABLE);
238 object_class->set_property = psppire_var_view_set_property;
239 object_class->get_property = psppire_var_view_get_property;
241 g_object_class_install_property (object_class,
248 psppire_var_view_base_init (PsppireVarViewClass *class)
250 GObjectClass *object_class = G_OBJECT_CLASS (class);
252 object_class->finalize = psppire_var_view_finalize;
258 psppire_var_view_base_finalize (PsppireVarViewClass *class,
266 psppire_var_view_init (PsppireVarView *var_view)
272 psppire_var_view_new (void)
274 return GTK_WIDGET (g_object_new (psppire_var_view_get_type (), NULL));
279 psppire_var_view_get_iter_first (PsppireVarView *vv, GtkTreeIter *iter)
281 return gtk_tree_model_get_iter_first (GTK_TREE_MODEL (vv->list), iter);
285 psppire_var_view_get_iter_next (PsppireVarView *vv, GtkTreeIter *iter)
287 return gtk_tree_model_iter_next (GTK_TREE_MODEL (vv->list), iter);
290 const struct variable *
291 psppire_var_view_get_variable (PsppireVarView *vv, gint column, GtkTreeIter *iter)
293 const struct variable *var = NULL;
295 gtk_tree_model_get_value (GTK_TREE_MODEL (vv->list), iter, column, &value);
297 if ( G_VALUE_TYPE (&value) == PSPPIRE_VAR_PTR_TYPE)
298 var = g_value_get_boxed (&value);
300 g_critical ("Unsupported type \"%s\", in variable name treeview.",
301 G_VALUE_TYPE_NAME (&value));
303 g_value_unset (&value);
309 Append the names of selected variables to STRING.
310 Returns the number of variables appended.
313 psppire_var_view_append_names (PsppireVarView *vv, gint column, GString *string)
318 if ( psppire_var_view_get_iter_first (vv, &iter) )
322 const struct variable *var = psppire_var_view_get_variable (vv, column, &iter);
323 g_string_append (string, " ");
324 g_string_append (string, var_get_name (var));
328 while (psppire_var_view_get_iter_next (vv, &iter));