Change license from GPLv2+ to GPLv3+.
[pspp-builds.git] / src / ui / gui / dict-display.c
index 68b7b8d4f2e6193f9b91e847a63b3b245819083a..d54583b802349e093bec38554aacad4c84dc6dda 100644 (file)
@@ -1,10 +1,9 @@
-/*
-   PSPPIRE --- A Graphical User Interface for PSPP
+/* PSPPIRE - a graphical user interface for PSPP.
    Copyright (C) 2007  Free Software Foundation
 
-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -13,9 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301, USA. */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
 
 #include <config.h>
@@ -51,7 +48,112 @@ filter_variables (GtkTreeModel *model, GtkTreeIter *iter, gpointer data)
   return predicate (var);
 }
 
-/* Sets up TREEVIEW to display the variables of DICT.
+/* A GtkTreeCellDataFunc which sets the icon appropriate to the type
+   of variable */
+static void
+var_icon_cell_data_func (GtkTreeViewColumn *col,
+                      GtkCellRenderer *cell,
+                      GtkTreeModel *model,
+                      GtkTreeIter *iter,
+                      gpointer data)
+{
+  struct variable *var;
+  gtk_tree_model_get (model, iter, DICT_TVM_COL_VAR, &var, -1);
+
+  if ( var_is_alpha (var))
+    {
+      g_object_set (cell, "stock-id", "var-string", NULL);
+    }
+  else
+    {
+      const struct fmt_spec *fs = var_get_write_format (var);
+      int cat = fmt_get_category (fs->type);
+      switch ( var_get_measure (var))
+       {
+       case MEASURE_NOMINAL:
+         g_object_set (cell, "stock-id", "var-nominal", NULL);
+         break;
+       case MEASURE_ORDINAL:
+         g_object_set (cell, "stock-id", "var-ordinal", NULL);
+         break;
+       case MEASURE_SCALE:
+         if ( ( FMT_CAT_DATE | FMT_CAT_TIME ) & cat )
+           g_object_set (cell, "stock-id", "var-date-scale", NULL);
+         else
+           g_object_set (cell, "stock-id", "var-scale", NULL);
+         break;
+       default:
+         g_assert_not_reached ();
+       };
+    }
+}
+
+
+void
+get_base_model (GtkTreeModel *top_model, GtkTreeIter *top_iter,
+               GtkTreeModel **model, GtkTreeIter *iter
+               )
+{
+  *model = top_model;
+  *iter = *top_iter;
+  while (GTK_IS_TREE_MODEL_FILTER (*model))
+    {
+      GtkTreeIter parent_iter = *iter;
+      GtkTreeModelFilter *parent_model = GTK_TREE_MODEL_FILTER (*model);
+
+      *model = gtk_tree_model_filter_get_model (parent_model);
+
+      gtk_tree_model_filter_convert_iter_to_child_iter (parent_model,
+                                                       iter,
+                                                       &parent_iter);
+    }
+
+  g_assert (PSPPIRE_IS_DICT (*model));
+}
+
+/* A GtkTreeCellDataFunc which renders the name and/or label of the
+   variable */
+static void
+var_description_cell_data_func (GtkTreeViewColumn *col,
+                               GtkCellRenderer *cell,
+                               GtkTreeModel *top_model,
+                               GtkTreeIter *top_iter,
+                               gpointer data)
+{
+  struct variable *var;
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+
+
+  get_base_model (top_model, top_iter, &model, &iter);
+
+  g_assert (PSPPIRE_IS_DICT (model));
+
+
+  gtk_tree_model_get (model,
+                     &iter, DICT_TVM_COL_VAR, &var, -1);
+
+  if ( var_has_label (var))
+    {
+      gchar *text = g_strdup_printf (
+                                    "<span stretch=\"condensed\">%s</span>"
+                                    " (<span weight=\"bold\">%s</span>)",
+                                    var_get_label (var),
+                                    var_get_name (var));
+
+      char *utf8 = pspp_locale_to_utf8 (text, -1, NULL);
+
+      g_free (text);
+      g_object_set (cell, "markup", utf8, NULL);
+      g_free (utf8);
+    }
+  else
+    {
+      g_object_set (cell, "text", var_get_name (var), NULL);
+    }
+}
+
+   /* Sets up TREEVIEW to display the variables of DICT.
    MODE is the selection mode for TREEVIEW.
    PREDICATE determines which variables should be visible, or NULL if
    all are to be visible.
@@ -67,7 +169,8 @@ attach_dictionary_to_treeview (GtkTreeView *treeview, PsppireDict *dict,
   GtkTreeSelection *selection =
     gtk_tree_view_get_selection (treeview);
 
-  GtkCellRenderer *renderer = gtk_cell_renderer_text_new ();
+  GtkCellRenderer *renderer;
+
   GtkTreeModel *model ;
 
   if ( predicate )
@@ -88,18 +191,31 @@ attach_dictionary_to_treeview (GtkTreeView *treeview, PsppireDict *dict,
   gtk_tree_view_set_model (GTK_TREE_VIEW (treeview), model);
 
 
+  col = gtk_tree_view_column_new ();
+  gtk_tree_view_column_set_title (col, _("Variable"));
 
-  col = gtk_tree_view_column_new_with_attributes (_("Var"),
-                                                 renderer,
-                                                 "text",
-                                                 0,
-                                                 NULL);
+  renderer = gtk_cell_renderer_pixbuf_new ();
+  gtk_tree_view_column_pack_start (col, renderer, FALSE);
 
-  /* FIXME: make this a value in terms of character widths */
-  g_object_set (col, "min-width",  100, NULL);
+  gtk_tree_view_column_set_cell_data_func (col, renderer,
+                                          var_icon_cell_data_func,
+                                          NULL, NULL);
+
+
+  renderer = gtk_cell_renderer_text_new ();
+  gtk_tree_view_column_pack_start (col, renderer, TRUE);
+  gtk_tree_view_column_set_cell_data_func (col, renderer,
+                                          var_description_cell_data_func,
+                                          NULL, NULL);
+
+  g_object_set (renderer, "ellipsize-set", TRUE, NULL);
+  g_object_set (renderer, "ellipsize", PANGO_ELLIPSIZE_MIDDLE, NULL);
 
   gtk_tree_view_column_set_sizing (col, GTK_TREE_VIEW_COLUMN_FIXED);
 
+  /* FIXME: make this a value in terms of character widths */
+  gtk_tree_view_column_set_min_width (col, 150);
+
   gtk_tree_view_append_column (treeview, col);
 
   gtk_tree_selection_set_mode (selection, mode);
@@ -113,7 +229,7 @@ insert_source_row_into_entry (GtkTreeIter iter,
                              )
 {
   GtkTreePath *path;
-  PsppireDict *dict;
+  GtkTreeModel *dict;
   gint *idx;
   struct variable *var;
   GtkTreeIter dict_iter;
@@ -121,27 +237,13 @@ insert_source_row_into_entry (GtkTreeIter iter,
 
   g_return_if_fail (GTK_IS_ENTRY(dest));
 
-
-  if ( GTK_IS_TREE_MODEL_FILTER (model))
-    {
-      dict = PSPPIRE_DICT (gtk_tree_model_filter_get_model
-                          (GTK_TREE_MODEL_FILTER(model)));
-      gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER
-                                                       (model),
-                                                       &dict_iter, &iter);
-    }
-  else
-    {
-      dict = PSPPIRE_DICT (model);
-      dict_iter = iter;
-    }
-
+  get_base_model (model, &iter, &dict, &dict_iter);
 
   path = gtk_tree_model_get_path (GTK_TREE_MODEL (dict), &dict_iter);
 
   idx = gtk_tree_path_get_indices (path);
 
-  var =  psppire_dict_get_variable (dict, *idx);
+  var =  psppire_dict_get_variable (PSPPIRE_DICT (dict), *idx);
 
   gtk_tree_path_free (path);
 
@@ -164,24 +266,12 @@ insert_source_row_into_tree_view (GtkTreeIter iter,
   gint *row ;
   GtkTreeModel *destmodel = gtk_tree_view_get_model ( GTK_TREE_VIEW (dest));
 
-  PsppireDict *dict;
+  GtkTreeModel *dict;
 
-  if ( GTK_IS_TREE_MODEL_FILTER (model))
-    {
-      dict = PSPPIRE_DICT (gtk_tree_model_filter_get_model
-                          (GTK_TREE_MODEL_FILTER(model)));
-      gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER
-                                                       (model),
-                                                       &dict_iter, &iter);
-    }
-  else
-    {
-      dict = PSPPIRE_DICT (model);
-      dict_iter = iter;
-    }
 
+  get_base_model (model, &iter, &dict, &dict_iter);
 
-  path = gtk_tree_model_get_path (GTK_TREE_MODEL (dict), &dict_iter);
+  path = gtk_tree_model_get_path (dict, &dict_iter);
 
   row = gtk_tree_path_get_indices (path);
 
@@ -199,37 +289,22 @@ is_currently_in_entry (GtkTreeModel *model, GtkTreeIter *iter,
   gboolean result;
   gchar *name;
   GtkTreeIter dict_iter;
-  PsppireDict *dict;
+  GtkTreeModel *dict;
   struct variable *var;
   gint dict_index;
   gint *indeces;
   GtkTreePath *path;
   const gchar *text =   gtk_entry_get_text (GTK_ENTRY (selector->dest));
 
+  get_base_model (model, iter, &dict, &dict_iter);
 
-  if ( GTK_IS_TREE_MODEL_FILTER (model))
-    {
-      dict = PSPPIRE_DICT (gtk_tree_model_filter_get_model
-                          (GTK_TREE_MODEL_FILTER(model)));
-      gtk_tree_model_filter_convert_iter_to_child_iter (GTK_TREE_MODEL_FILTER
-                                                       (model),
-                                                       &dict_iter, iter);
-    }
-  else
-    {
-      dict = PSPPIRE_DICT (model);
-      dict_iter = *iter;
-    }
-
-
-  path = gtk_tree_model_get_path (GTK_TREE_MODEL(dict),
-                                 &dict_iter);
+  path = gtk_tree_model_get_path (dict, &dict_iter);
 
   indeces = gtk_tree_path_get_indices (path);
 
   dict_index = indeces [0];
 
-  var = psppire_dict_get_variable (dict, dict_index);
+  var = psppire_dict_get_variable (PSPPIRE_DICT (dict), dict_index);
 
   gtk_tree_path_free (path);