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[Pspp-cvs] pspp/src/ui/gui ChangeLog automake.mk data-edit...


From: Ben Pfaff
Subject: [Pspp-cvs] pspp/src/ui/gui ChangeLog automake.mk data-edit...
Date: Sun, 16 Mar 2008 20:06:30 +0000

CVSROOT:        /cvsroot/pspp
Module name:    pspp
Changes by:     Ben Pfaff <blp> 08/03/16 20:06:30

Modified files:
        src/ui/gui     : ChangeLog automake.mk data-editor.c 
                         data-editor.glade data-editor.h 
Added files:
        src/ui/gui     : text-data-import-dialog.c 
                         text-data-import-dialog.h 
                         text-data-import.glade 

Log message:
        Patch #5368.  Reviewed by John Darrington.  Tested by Jason Stover.
        
        * automake.mk: Add new files.
        
        * data-editor.glade: Add "import delimited text data" menu item.
        
        * data-editor.c: Connect "import delimited text data" menu item.
        
        * text-data-import-dialog.c: New file.
        
        * text-data-import-dialog.h: New file.
        
        * text-data-import.glade: New file.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/ChangeLog?cvsroot=pspp&r1=1.119&r2=1.120
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/automake.mk?cvsroot=pspp&r1=1.52&r2=1.53
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/data-editor.c?cvsroot=pspp&r1=1.70&r2=1.71
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/data-editor.glade?cvsroot=pspp&r1=1.43&r2=1.44
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/data-editor.h?cvsroot=pspp&r1=1.33&r2=1.34
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/text-data-import-dialog.c?cvsroot=pspp&rev=1.1
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/text-data-import-dialog.h?cvsroot=pspp&rev=1.1
http://cvs.savannah.gnu.org/viewcvs/pspp/src/ui/gui/text-data-import.glade?cvsroot=pspp&rev=1.1

Patches:
Index: ChangeLog
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/gui/ChangeLog,v
retrieving revision 1.119
retrieving revision 1.120
diff -u -b -r1.119 -r1.120
--- ChangeLog   8 Mar 2008 07:40:31 -0000       1.119
+++ ChangeLog   16 Mar 2008 20:06:29 -0000      1.120
@@ -1,3 +1,20 @@
+2008-03-16  Ben Pfaff  <address@hidden>
+
+       Patch #5368.  Reviewed by John Darrington.  Tested by Jason
+       Stover.
+
+       * automake.mk: Add new files.
+
+       * data-editor.glade: Add "import delimited text data" menu item.
+
+       * data-editor.c: Connect "import delimited text data" menu item.
+
+       * text-data-import-dialog.c: New file.
+
+       * text-data-import-dialog.h: New file.
+
+       * text-data-import.glade: New file.
+
 2008-03-07  Ben Pfaff  <address@hidden>
 
        * psppire-var-sheet.c: Initialize "may-create-vars" to TRUE by

Index: automake.mk
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/gui/automake.mk,v
retrieving revision 1.52
retrieving revision 1.53
diff -u -b -r1.52 -r1.53
--- automake.mk 29 Feb 2008 09:13:51 -0000      1.52
+++ automake.mk 16 Mar 2008 20:06:29 -0000      1.53
@@ -62,6 +62,7 @@
        $(top_srcdir)/src/ui/gui/recode.glade \
        $(top_srcdir)/src/ui/gui/regression.glade \
        $(top_srcdir)/src/ui/gui/syntax-editor.glade \
+       $(top_srcdir)/src/ui/gui/text-data-import.glade \
        $(top_srcdir)/src/ui/gui/t-test.glade \
        $(top_srcdir)/src/ui/gui/psppicon.png \
        $(top_srcdir)/src/ui/gui/pspplogo.png \
@@ -167,6 +168,8 @@
        src/ui/gui/syntax-editor.h \
        src/ui/gui/syntax-editor-source.c \
        src/ui/gui/syntax-editor-source.h \
+       src/ui/gui/text-data-import-dialog.c \
+       src/ui/gui/text-data-import-dialog.h \
        src/ui/gui/transpose-dialog.c \
        src/ui/gui/transpose-dialog.h \
        src/ui/gui/t-test-independent-samples-dialog.c \

Index: data-editor.c
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/gui/data-editor.c,v
retrieving revision 1.70
retrieving revision 1.71
diff -u -b -r1.70 -r1.71
--- data-editor.c       5 Mar 2008 06:30:33 -0000       1.70
+++ data-editor.c       16 Mar 2008 20:06:29 -0000      1.71
@@ -48,6 +48,7 @@
 #include "examine-dialog.h"
 #include "dict-display.h"
 #include "regression-dialog.h"
+#include "text-data-import-dialog.h"
 
 #include "oneway-anova-dialog.h"
 #include "t-test-independent-samples-dialog.h"
@@ -702,6 +703,11 @@
                    G_CALLBACK (open_syntax_window),
                    e->window);
 
+  g_signal_connect_swapped (get_widget_assert (de->xml,"file_import-text"),
+                           "activate",
+                           G_CALLBACK (gtk_action_activate),
+                           de->invoke_text_import_assistant);
+
   g_signal_connect_swapped (get_widget_assert (de->xml,"file_save"),
                            "activate",
                            G_CALLBACK (gtk_action_activate),
@@ -1223,6 +1229,15 @@
 
   g_signal_connect (de->action_data_new, "activate",
                    G_CALLBACK (new_file), de);
+
+  de->invoke_text_import_assistant =
+    gtk_action_new ("file_import-text",
+                   _("_Import Text Data"),
+                   _("Import text data file"),
+                   "");
+
+  g_signal_connect (de->invoke_text_import_assistant, "activate",
+                   G_CALLBACK (text_data_import_assistant), de);
 }
 
 /* Returns true if NAME has a suffix which might denote a PSPP file */

Index: data-editor.glade
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/gui/data-editor.glade,v
retrieving revision 1.43
retrieving revision 1.44
diff -u -b -r1.43 -r1.44
--- data-editor.glade   29 Feb 2008 09:13:52 -0000      1.43
+++ data-editor.glade   16 Mar 2008 20:06:29 -0000      1.44
@@ -72,6 +72,14 @@
                       </widget>
                     </child>
                     <child>
+                      <widget class="GtkMenuItem" id="file_import-text">
+                        <property name="visible">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="label" translatable="yes">_Import 
Delimited Text Data</property>
+                        <property name="use_underline">True</property>
+                      </widget>
+                    </child>
+                    <child>
                       <widget class="GtkImageMenuItem" id="file_save">
                         <property name="visible">True</property>
                         <property name="label">gtk-save</property>

Index: data-editor.h
===================================================================
RCS file: /cvsroot/pspp/pspp/src/ui/gui/data-editor.h,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -b -r1.33 -r1.34
--- data-editor.h       29 Feb 2008 09:13:52 -0000      1.33
+++ data-editor.h       16 Mar 2008 20:06:29 -0000      1.34
@@ -33,6 +33,8 @@
   GtkAction *action_data_save;
 
 
+  GtkAction *invoke_text_import_assistant;
+
   /* Actions which invoke dialog boxes */
   GtkAction *invoke_weight_cases_dialog;
   GtkAction *invoke_transpose_dialog;

Index: text-data-import-dialog.c
===================================================================
RCS file: text-data-import-dialog.c
diff -N text-data-import-dialog.c
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ text-data-import-dialog.c   16 Mar 2008 20:06:29 -0000      1.1
@@ -0,0 +1,2225 @@
+/* PSPPIRE - a graphical user interface for PSPP.
+   Copyright (C) 2008  Free Software Foundation
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+#include "checkbox-treeview.h"
+#include "descriptives-dialog.h"
+
+#include <errno.h>
+#include <gtk/gtk.h>
+#include <gtksheet/gtksheet.h>
+#include <limits.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#include <data/data-in.h>
+#include <data/data-out.h>
+#include <data/format-guesser.h>
+#include <data/value-labels.h>
+#include <language/data-io/data-parser.h>
+#include <language/syntax-string-source.h>
+#include <libpspp/assertion.h>
+#include <libpspp/message.h>
+#include <ui/syntax-gen.h>
+#include <ui/gui/data-editor.h>
+#include <ui/gui/dialog-common.h>
+#include <ui/gui/helper.h>
+#include <ui/gui/psppire-dialog.h>
+#include <ui/gui/psppire-var-sheet.h>
+#include <ui/gui/psppire-var-store.h>
+#include <ui/gui/syntax-editor.h>
+
+#include "error.h"
+#include "xalloc.h"
+
+#include "gettext.h"
+#define _(msgid) gettext (msgid)
+#define N_(msgid) msgid
+
+/* TextImportModel, a GtkTreeModel used by the text data import
+   dialog. */
+enum
+  {
+    TEXT_IMPORT_MODEL_COLUMN_LINE_NUMBER, /* 1-based line number in file */
+    TEXT_IMPORT_MODEL_COLUMN_LINE,        /* The line from the file. */
+  };
+typedef struct TextImportModel TextImportModel;
+typedef struct TextImportModelClass TextImportModelClass;
+
+TextImportModel *text_import_model_new (struct string *lines, size_t line_cnt,
+                                        size_t first_line);
+gint text_import_model_iter_to_row (const GtkTreeIter *);
+
+struct import_assistant;
+
+/* The file to be imported. */
+struct file
+  {
+    char *file_name;        /* File name. */
+    unsigned long int total_lines; /* Number of lines in file. */
+    bool total_is_exact;    /* Is total_lines exact (or an estimate)? */
+
+    /* The first several lines of the file. */
+    struct string *lines;
+    size_t line_cnt;
+  };
+static bool init_file (struct import_assistant *, GtkWindow *parent);
+static void destroy_file (struct import_assistant *);
+
+/* The main body of the GTK+ assistant and related data. */
+struct assistant
+  {
+    GladeXML *xml;
+    GtkAssistant *assistant;
+    GMainLoop *main_loop;
+    GtkWidget *paste_button;
+    GtkWidget *reset_button;
+    int response;
+
+    GtkCellRenderer *prop_renderer;
+    GtkCellRenderer *fixed_renderer;
+  };
+static void init_assistant (struct import_assistant *, GtkWindow *);
+static void destroy_assistant (struct import_assistant *);
+static GtkWidget *add_page_to_assistant (struct import_assistant *,
+                                         GtkWidget *page,
+                                         GtkAssistantPageType);
+
+/* The introduction page of the assistant. */
+struct intro_page
+  {
+    GtkWidget *page;
+    GtkWidget *all_cases_button;
+    GtkWidget *n_cases_button;
+    GtkWidget *n_cases_spin;
+    GtkWidget *percent_button;
+    GtkWidget *percent_spin;
+  };
+static void init_intro_page (struct import_assistant *);
+static void reset_intro_page (struct import_assistant *);
+
+/* Page where the user chooses the first line of data. */
+struct first_line_page
+  {
+    int skip_lines;    /* Number of initial lines to skip? */
+    bool variable_names; /* Variable names above first line of data? */
+
+    GtkWidget *page;
+    GtkTreeView *tree_view;
+    GtkWidget *variable_names_cb;
+  };
+static void init_first_line_page (struct import_assistant *);
+static void reset_first_line_page (struct import_assistant *);
+
+/* Page where the user chooses field separators. */
+struct separators_page
+  {
+    /* How to break lines into columns. */
+    struct string separators;   /* Field separators. */
+    struct string quotes;       /* Quote characters. */
+    bool escape;                /* Doubled quotes yield a quote mark? */
+
+    /* The columns produced thereby. */
+    struct column *columns;     /* Information about each column. */
+    size_t column_cnt;          /* Number of columns. */
+
+    GtkWidget *page;
+    GtkWidget *custom_cb;
+    GtkWidget *custom_entry;
+    GtkWidget *quote_cb;
+    GtkWidget *quote_combo;
+    GtkEntry *quote_entry;
+    GtkWidget *escape_cb;
+    GtkTreeView *fields_tree_view;
+  };
+/* The columns that the separators divide the data into. */
+struct column
+  {
+    /* Variable name for this column.  This is the variable name
+       used on the separators page; it can be overridden by the
+       user on the formats page. */
+    char *name;
+
+    /* Maximum length of any row in this column. */
+    size_t width;
+
+    /* Contents of this column: contents[row] is the contents for
+       the given row.
+
+       A null substring indicates a missing column for that row
+       (because the line contains an insufficient number of
+       separators).
+
+       contents[] elements may be substrings of the lines[]
+       strings that represent the whole lines of the file, to
+       save memory.  Other elements are dynamically allocated
+       with ss_alloc_substring. */
+    struct substring *contents;
+  };
+static void init_separators_page (struct import_assistant *);
+static void destroy_separators_page (struct import_assistant *);
+static void prepare_separators_page (struct import_assistant *);
+static void reset_separators_page (struct import_assistant *);
+
+/* Page where the user verifies and adjusts input formats. */
+struct formats_page
+  {
+    struct dictionary *dict;
+
+    GtkWidget *page;
+    GtkTreeView *data_tree_view;
+    PsppireDict *psppire_dict;
+    struct variable **modified_vars;
+    size_t modified_var_cnt;
+  };
+static void init_formats_page (struct import_assistant *);
+static void destroy_formats_page (struct import_assistant *);
+static void prepare_formats_page (struct import_assistant *);
+static void reset_formats_page (struct import_assistant *);
+
+struct import_assistant
+  {
+    struct file file;
+    struct assistant asst;
+    struct intro_page intro;
+    struct first_line_page first_line;
+    struct separators_page separators;
+    struct formats_page formats;
+  };
+
+static void apply_dict (const struct dictionary *, struct string *);
+static char *generate_syntax (const struct import_assistant *);
+
+static gboolean get_tooltip_location (GtkWidget *widget, gint wx, gint wy,
+                                      const struct import_assistant *,
+                                      size_t *row, size_t *column);
+static void make_tree_view (const struct import_assistant *ia,
+                            size_t first_line,
+                            GtkTreeView **tree_view);
+static void add_line_number_column (const struct import_assistant *,
+                                    GtkTreeView *);
+static gint get_monospace_width (GtkTreeView *, GtkCellRenderer *,
+                                 size_t char_cnt);
+static gint get_string_width (GtkTreeView *, GtkCellRenderer *,
+                              const char *string);
+static GtkTreeViewColumn *make_data_column (struct import_assistant *,
+                                            GtkTreeView *, bool input,
+                                            gint column_idx);
+static GtkTreeView *create_data_tree_view (bool input, GtkContainer *parent,
+                                           struct import_assistant *);
+static void escape_underscores (const char *in, char *out);
+
+/* Pops up the Text Data Import assistant. */
+void
+text_data_import_assistant (GObject *o, gpointer de_)
+{
+  struct data_editor *de = de_;
+  GtkWindow *parent_window = de->parent.window;
+  struct import_assistant ia = { { 0, } };
+
+  if (!init_file (&ia, parent_window))
+    return;
+
+  init_assistant (&ia, parent_window);
+  init_intro_page (&ia);
+  init_first_line_page (&ia);
+  init_separators_page (&ia);
+  init_formats_page (&ia);
+
+  gtk_widget_show_all (GTK_WIDGET (ia.asst.assistant));
+
+  ia.asst.main_loop = g_main_loop_new (NULL, false);
+  g_main_loop_run (ia.asst.main_loop);
+
+  switch (ia.asst.response)
+    {
+    case GTK_RESPONSE_APPLY:
+      {
+       char *syntax = generate_syntax (&ia);
+       execute_syntax (create_syntax_string_source (syntax));
+       free (syntax);
+      }
+      break;
+    case PSPPIRE_RESPONSE_PASTE:
+      {
+       char *syntax = generate_syntax (&ia);
+       struct syntax_editor *se =
+         (struct syntax_editor *) window_create (WINDOW_SYNTAX, NULL);
+       gtk_text_buffer_insert_at_cursor (se->buffer, syntax, -1);
+       free (syntax);
+      }
+      break;
+    default:
+      break;
+    }
+
+  destroy_formats_page (&ia);
+  destroy_separators_page (&ia);
+  destroy_assistant (&ia);
+  destroy_file (&ia);
+}
+
+/* Emits PSPP syntax to S that applies the dictionary attributes
+   (such as missing values and value labels) of the variables in
+   DICT.  */
+static void
+apply_dict (const struct dictionary *dict, struct string *s)
+{
+  size_t var_cnt = dict_get_var_cnt (dict);
+  size_t i;
+
+  for (i = 0; i < var_cnt; i++)
+    {
+      struct variable *var = dict_get_var (dict, i);
+      const char *name = var_get_name (var);
+      enum val_type type = var_get_type (var);
+      int width = var_get_width (var);
+      enum measure measure = var_get_measure (var);
+      enum alignment alignment = var_get_alignment (var);
+      const struct fmt_spec *format = var_get_print_format (var);
+
+      if (var_has_missing_values (var))
+        {
+          const struct missing_values *mv = var_get_missing_values (var);
+          size_t j;
+
+          syntax_gen_pspp (s, "MISSING VALUES %ss (", name);
+          for (j = 0; j < mv_n_values (mv); j++)
+            {
+              union value value;
+              if (j)
+                ds_put_cstr (s, ", ");
+              mv_get_value (mv, &value, j);
+              syntax_gen_value (s, &value, width, format);
+            }
+
+          if (mv_has_range (mv))
+            {
+              double low, high;
+              if (mv_has_value (mv))
+                ds_put_cstr (s, ", ");
+              mv_get_range (mv, &low, &high);
+              syntax_gen_num_range (s, low, high, format);
+            }
+          ds_put_cstr (s, ").\n");
+        }
+      if (var_has_value_labels (var))
+        {
+          const struct val_labs *vls = var_get_value_labels (var);
+          struct val_labs_iterator *iter;
+          struct val_lab *vl;
+
+          syntax_gen_pspp (s, "VALUE LABELS %ss", name);
+          for (vl = val_labs_first_sorted (vls, &iter); vl != NULL;
+               vl = val_labs_next (vls, &iter))
+            {
+              ds_put_cstr (s, "\n  ");
+              syntax_gen_value (s, &vl->value, width, format);
+              ds_put_char (s, ' ');
+              syntax_gen_string (s, ss_cstr (vl->label));
+            }
+          ds_put_cstr (s, ".\n");
+        }
+      if (var_has_label (var))
+        syntax_gen_pspp (s, "VARIABLE LABELS %ss %sq.\n",
+                         name, var_get_label (var));
+      if (measure != var_default_measure (type))
+        syntax_gen_pspp (s, "VARIABLE LEVEL %ss (%ss).\n",
+                         name,
+                         (measure == MEASURE_NOMINAL ? "NOMINAL"
+                          : measure == MEASURE_ORDINAL ? "ORDINAL"
+                          : "SCALE"));
+      if (alignment != var_default_alignment (type))
+        syntax_gen_pspp (s, "VARIABLE ALIGNMENT %ss (%ss).\n",
+                         name,
+                         (alignment == ALIGN_LEFT ? "LEFT"
+                          : alignment == ALIGN_CENTRE ? "CENTER"
+                          : "RIGHT"));
+      if (var_get_display_width (var) != var_default_display_width (width))
+        syntax_gen_pspp (s, "VARIABLE WIDTH %ss (%d).\n",
+                         name, var_get_display_width (var));
+    }
+}
+
+/* Generates and returns PSPP syntax to execute the import
+   operation described by IA.  The caller must free the syntax
+   with free(). */
+static char *
+generate_syntax (const struct import_assistant *ia)
+{
+  struct string s = DS_EMPTY_INITIALIZER;
+  size_t var_cnt;
+  size_t i;
+
+  syntax_gen_pspp (&s,
+                   "GET DATA\n"
+                   "  /TYPE=TXT\n"
+                   "  /FILE=%sq\n",
+                   ia->file.file_name);
+  if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (
+                                      ia->intro.n_cases_button)))
+    ds_put_format (&s, "  /IMPORTCASES=FIRST %d\n",
+                   gtk_spin_button_get_value_as_int (
+                     GTK_SPIN_BUTTON (ia->intro.n_cases_spin)));
+  else if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (
+                                           ia->intro.percent_button)))
+    ds_put_format (&s, "  /IMPORTCASES=PERCENT %d\n",
+                   gtk_spin_button_get_value_as_int (
+                     GTK_SPIN_BUTTON (ia->intro.percent_spin)));
+  else
+    ds_put_cstr (&s, "  /IMPORTCASES=ALL\n");
+  ds_put_cstr (&s,
+               "  /ARRANGEMENT=DELIMITED\n"
+               "  /DELCASE=LINE\n");
+  if (ia->first_line.skip_lines > 0)
+    ds_put_format (&s, "  /FIRSTCASE=%d\n", ia->first_line.skip_lines + 1);
+  ds_put_cstr (&s, "  /DELIMITERS=\"");
+  if (ds_find_char (&ia->separators.separators, '\t') != SIZE_MAX)
+    ds_put_cstr (&s, "\\t");
+  if (ds_find_char (&ia->separators.separators, '\\') != SIZE_MAX)
+    ds_put_cstr (&s, "\\\\");
+  for (i = 0; i < ds_length (&ia->separators.separators); i++)
+    {
+      char c = ds_at (&ia->separators.separators, i);
+      if (c == '"')
+        ds_put_cstr (&s, "\"\"");
+      else if (c != '\t' && c != '\\')
+        ds_put_char (&s, c);
+    }
+  ds_put_cstr (&s, "\"\n");
+  if (!ds_is_empty (&ia->separators.quotes))
+    syntax_gen_pspp (&s, "  /QUALIFIER=%sq\n", ds_cstr 
(&ia->separators.quotes));
+  if (!ds_is_empty (&ia->separators.quotes) && ia->separators.escape)
+    ds_put_cstr (&s, "  /ESCAPE\n");
+  ds_put_cstr (&s, "  /VARIABLES=\n");
+
+  var_cnt = dict_get_var_cnt (ia->formats.dict);
+  for (i = 0; i < var_cnt; i++)
+    {
+      struct variable *var = dict_get_var (ia->formats.dict, i);
+      char format_string[FMT_STRING_LEN_MAX + 1];
+      fmt_to_string (var_get_print_format (var), format_string);
+      ds_put_format (&s, "    %s %s%s\n",
+                     var_get_name (var), format_string,
+                     i == var_cnt - 1 ? "." : "");
+    }
+
+  apply_dict (ia->formats.dict, &s);
+
+  return ds_cstr (&s);
+}
+
+/* Choosing a file and reading it. */
+
+static char *choose_file (GtkWindow *parent_window);
+
+/* Obtains the file to import from the user and initializes IA's
+   file substructure.  PARENT_WINDOW must be the window to use
+   as the file chooser window's parent.
+
+   Returns true if successful, false if the file name could not
+   be obtained or the file could not be read. */
+static bool
+init_file (struct import_assistant *ia, GtkWindow *parent_window)
+{
+  struct file *file = &ia->file;
+  enum { MAX_PREVIEW_LINES = 1000 }; /* Max number of lines to read. */
+  enum { MAX_LINE_LEN = 16384 }; /* Max length of an acceptable line. */
+  FILE *stream;
+
+  file->file_name = choose_file (parent_window);
+  if (file->file_name == NULL)
+    return false;
+
+  stream = fopen (file->file_name, "r");
+  if (stream == NULL)
+    {
+      msg (ME, _("Could not open \"%s\": %s"),
+           file->file_name, strerror (errno));
+      return false;
+    }
+
+  file->lines = xnmalloc (MAX_PREVIEW_LINES, sizeof *file->lines);
+  for (; file->line_cnt < MAX_PREVIEW_LINES; file->line_cnt++)
+    {
+      struct string *line = &file->lines[file->line_cnt];
+
+      ds_init_empty (line);
+      if (!ds_read_line (line, stream, MAX_LINE_LEN))
+        {
+          if (feof (stream))
+            break;
+          else if (ferror (stream))
+            msg (ME, _("Error reading \"%s\": %s"),
+                 file->file_name, strerror (errno));
+          else
+            msg (ME, _("Failed to read \"%s\", because it contains a line "
+                       "over %d bytes long and therefore appears not to be "
+                       "a text file."),
+                 file->file_name, MAX_LINE_LEN);
+          fclose (stream);
+          destroy_file (ia);
+          return false;
+        }
+      ds_chomp (line, '\n');
+      ds_chomp (line, '\r');
+    }
+
+  if (file->line_cnt == 0)
+    {
+      msg (ME, _("\"%s\" is empty."), file->file_name);
+      fclose (stream);
+      destroy_file (ia);
+      return false;
+    }
+
+  /* Estimate the number of lines in the file. */
+  if (file->line_cnt < MAX_PREVIEW_LINES)
+    file->total_lines = file->line_cnt;
+  else
+    {
+      struct stat s;
+      off_t position = ftello (stream);
+      if (fstat (fileno (stream), &s) == 0 && position > 0)
+        file->total_lines = (double) file->line_cnt / position * s.st_size;
+      else
+        file->total_lines = 0;
+    }
+
+  return true;
+}
+
+/* Frees IA's file substructure. */
+static void
+destroy_file (struct import_assistant *ia)
+{
+  struct file *f = &ia->file;
+  size_t i;
+
+  for (i = 0; i < f->line_cnt; i++)
+    ds_destroy (&f->lines[i]);
+  free (f->lines);
+  g_free (f->file_name);
+}
+
+/* Obtains the file to read from the user and returns the name of
+   the file as a string that must be freed with g_free if
+   successful, otherwise a null pointer.  PARENT_WINDOW must be
+   the window to use as the file chooser window's parent. */
+static char *
+choose_file (GtkWindow *parent_window)
+{
+  GtkWidget *dialog;
+  char *file_name;
+
+  dialog = gtk_file_chooser_dialog_new (_("Import Delimited Text Data"),
+                                        parent_window,
+                                        GTK_FILE_CHOOSER_ACTION_OPEN,
+                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                        GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
+                                        NULL);
+
+  switch (gtk_dialog_run (GTK_DIALOG (dialog)))
+    {
+    case GTK_RESPONSE_ACCEPT:
+      file_name = gtk_file_chooser_get_filename (GTK_FILE_CHOOSER (dialog));
+      break;
+    default:
+      file_name = NULL;
+      break;
+    }
+  gtk_widget_destroy (dialog);
+
+  return file_name;
+}
+
+/* Assistant. */
+
+static void close_assistant (struct import_assistant *, int response);
+static void on_prepare (GtkAssistant *assistant, GtkWidget *page,
+                        struct import_assistant *);
+static void on_cancel (GtkAssistant *assistant, struct import_assistant *);
+static void on_close (GtkAssistant *assistant, struct import_assistant *);
+static void on_paste (GtkButton *button, struct import_assistant *);
+static void on_reset (GtkButton *button, struct import_assistant *);
+static void close_assistant (struct import_assistant *, int response);
+
+/* Initializes IA's asst substructure.  PARENT_WINDOW must be the
+   window to use as the assistant window's parent.  */
+static void
+init_assistant (struct import_assistant *ia, GtkWindow *parent_window)
+{
+  struct assistant *a = &ia->asst;
+
+  a->xml = XML_NEW ("text-data-import.glade");
+  a->assistant = GTK_ASSISTANT (gtk_assistant_new ());
+  g_signal_connect (a->assistant, "prepare", G_CALLBACK (on_prepare), ia);
+  g_signal_connect (a->assistant, "cancel", G_CALLBACK (on_cancel), ia);
+  g_signal_connect (a->assistant, "close", G_CALLBACK (on_close), ia);
+  a->paste_button = gtk_button_new_from_stock (GTK_STOCK_PASTE);
+  gtk_assistant_add_action_widget (a->assistant, a->paste_button);
+  g_signal_connect (a->paste_button, "clicked", G_CALLBACK (on_paste), ia);
+  a->reset_button = gtk_button_new_from_stock ("pspp-stock-reset");
+  gtk_assistant_add_action_widget (a->assistant, a->reset_button);
+  g_signal_connect (a->reset_button, "clicked", G_CALLBACK (on_reset), ia);
+  gtk_window_set_title (GTK_WINDOW (a->assistant),
+                        _("Importing Delimited Text Data"));
+  gtk_window_set_transient_for (GTK_WINDOW (a->assistant), parent_window);
+
+  a->prop_renderer = gtk_cell_renderer_text_new ();
+  g_object_ref_sink (a->prop_renderer);
+  a->fixed_renderer = gtk_cell_renderer_text_new ();
+  g_object_ref_sink (a->fixed_renderer);
+  g_object_set (G_OBJECT (a->fixed_renderer),
+                "family", "Monospace",
+                (void *) NULL);
+}
+
+/* Frees IA's asst substructure. */
+static void
+destroy_assistant (struct import_assistant *ia)
+{
+  struct assistant *a = &ia->asst;
+
+  g_object_unref (a->prop_renderer);
+  g_object_unref (a->fixed_renderer);
+  g_object_unref (a->xml);
+}
+
+/* Appends a page of the given TYPE, with PAGE as its content, to
+   the GtkAssistant encapsulated by IA.  Returns the GtkWidget
+   that represents the page. */
+static GtkWidget *
+add_page_to_assistant (struct import_assistant *ia,
+                       GtkWidget *page, GtkAssistantPageType type)
+{
+  const char *title;
+  char *title_copy;
+  GtkWidget *content;
+
+  title = gtk_window_get_title (GTK_WINDOW (page));
+  title_copy = xstrdup (title ? title : "");
+
+  content = gtk_bin_get_child (GTK_BIN (page));
+  assert (content);
+  g_object_ref (content);
+  gtk_container_remove (GTK_CONTAINER (page), content);
+
+  gtk_widget_destroy (page);
+
+  gtk_assistant_append_page (ia->asst.assistant, content);
+  gtk_assistant_set_page_type (ia->asst.assistant, content, type);
+  gtk_assistant_set_page_title (ia->asst.assistant, content, title_copy);
+
+  free (title_copy);
+
+  return content;
+}
+
+/* Called just before PAGE is displayed as the current page of
+   ASSISTANT, this updates IA content according to the new
+   page. */
+static void
+on_prepare (GtkAssistant *assistant, GtkWidget *page,
+            struct import_assistant *ia)
+{
+  if (page == ia->separators.page)
+    prepare_separators_page (ia);
+  else if (page == ia->formats.page)
+    prepare_formats_page (ia);
+
+  gtk_widget_show (ia->asst.reset_button);
+  if (page == ia->formats.page)
+    gtk_widget_show (ia->asst.paste_button);
+  else
+    gtk_widget_hide (ia->asst.paste_button);
+
+  /* Make the user visit each page in the assistant once.  Seems
+     like a reasonable user interface, plus visiting the final
+     page is what constructs the dictionary. */
+  gtk_assistant_set_page_complete (assistant, page, true);
+}
+
+/* Called when the Cancel button in the assistant is clicked. */
+static void
+on_cancel (GtkAssistant *assistant, struct import_assistant *ia)
+{
+  close_assistant (ia, GTK_RESPONSE_CANCEL);
+}
+
+/* Called when the Apply button on the last page of the assistant
+   is clicked. */
+static void
+on_close (GtkAssistant *assistant, struct import_assistant *ia)
+{
+  close_assistant (ia, GTK_RESPONSE_APPLY);
+}
+
+/* Called when the Paste button on the last page of the assistant
+   is clicked. */
+static void
+on_paste (GtkButton *button, struct import_assistant *ia)
+{
+  close_assistant (ia, PSPPIRE_RESPONSE_PASTE);
+}
+
+/* Called when the Reset button is clicked. */
+static void
+on_reset (GtkButton *button, struct import_assistant *ia)
+{
+  gint page_num = gtk_assistant_get_current_page (ia->asst.assistant);
+  GtkWidget *page = gtk_assistant_get_nth_page (ia->asst.assistant, page_num);
+
+  if (page == ia->intro.page)
+    reset_intro_page (ia);
+  else if (page == ia->first_line.page)
+    reset_first_line_page (ia);
+  else if (page == ia->separators.page)
+    reset_separators_page (ia);
+  else if (page == ia->formats.page)
+    reset_formats_page (ia);
+}
+
+/* Causes the assistant to close, returning RESPONSE for
+   interpretation by text_data_import_assistant. */
+static void
+close_assistant (struct import_assistant *ia, int response)
+{
+  ia->asst.response = response;
+  g_main_loop_quit (ia->asst.main_loop);
+  gtk_widget_hide (GTK_WIDGET (ia->asst.assistant));
+}
+
+/* The "intro" page of the assistant. */
+
+static void on_intro_amount_changed (GtkToggleButton *button,
+                                     struct import_assistant *);
+
+/* Initializes IA's intro substructure. */
+static void
+init_intro_page (struct import_assistant *ia)
+{
+  GladeXML *xml = ia->asst.xml;
+  struct intro_page *p = &ia->intro;
+  struct string s;
+
+  p->page = add_page_to_assistant (ia, get_widget_assert (xml, "Intro"),
+                                   GTK_ASSISTANT_PAGE_INTRO);
+  p->all_cases_button = get_widget_assert (xml, "import-all-cases");
+  p->n_cases_button = get_widget_assert (xml, "import-n-cases");
+  p->n_cases_spin = get_widget_assert (xml, "n-cases-spin");
+  p->percent_button = get_widget_assert (xml, "import-percent");
+  p->percent_spin = get_widget_assert (xml, "percent-spin");
+  g_signal_connect (p->all_cases_button, "toggled",
+                    G_CALLBACK (on_intro_amount_changed), ia);
+  g_signal_connect (p->n_cases_button, "toggled",
+                    G_CALLBACK (on_intro_amount_changed), ia);
+  g_signal_connect (p->percent_button, "toggled",
+                    G_CALLBACK (on_intro_amount_changed), ia);
+
+  ds_init_empty (&s);
+  ds_put_cstr (&s, _("This assistant will guide you through the process of "
+                     "importing data into PSPP from a text file with one line "
+                     "per case,  in which fields are separated by tabs, "
+                     "commas, or other delimiters.\n\n"));
+  if (ia->file.total_is_exact)
+    ds_put_format (
+      &s, ngettext ("The selected file contains %zu line of text.  ",
+                    "The selected file contains %zu lines of text.  ",
+                    ia->file.line_cnt),
+      ia->file.line_cnt);
+  else if (ia->file.total_lines > 0)
+    {
+      ds_put_format (
+        &s, ngettext (
+          "The selected file contains approximately %lu line of text.  ",
+          "The selected file contains approximately %lu lines of text.  ",
+          ia->file.total_lines),
+        ia->file.total_lines);
+      ds_put_format (
+        &s, ngettext (
+          "Only the first %zu line of the file will be shown for "
+          "preview purposes in the following screens.  ",
+          "Only the first %zu lines of the file will be shown for "
+          "preview purposes in the following screens.  ",
+          ia->file.line_cnt),
+        ia->file.line_cnt);
+    }
+  ds_put_cstr (&s, _("You may choose below how much of the file should "
+                     "actually be imported."));
+  gtk_label_set_text (GTK_LABEL (get_widget_assert (xml, "intro-label")),
+                      ds_cstr (&s));
+  ds_destroy (&s);
+}
+
+/* Resets IA's intro page to its initial state. */
+static void
+reset_intro_page (struct import_assistant *ia)
+{
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (ia->intro.all_cases_button),
+                                true);
+}
+
+/* Called when one of the radio buttons is clicked. */
+static void
+on_intro_amount_changed (GtkToggleButton *button UNUSED,
+                         struct import_assistant *ia)
+{
+  struct intro_page *p = &ia->intro;
+
+  gtk_widget_set_sensitive (p->n_cases_spin,
+                            gtk_toggle_button_get_active (
+                              GTK_TOGGLE_BUTTON (p->n_cases_button)));
+
+  gtk_widget_set_sensitive (ia->intro.percent_spin,
+                            gtk_toggle_button_get_active (
+                              GTK_TOGGLE_BUTTON (p->percent_button)));
+}
+
+/* The "first line" page of the assistant. */
+
+static GtkTreeView *create_lines_tree_view (GtkContainer *parent_window,
+                                            struct import_assistant *);
+static void on_first_line_change (GtkTreeSelection *,
+                                  struct import_assistant *);
+static void on_variable_names_cb_toggle (GtkToggleButton *,
+                                         struct import_assistant *);
+static void set_first_line (struct import_assistant *);
+static void get_first_line (struct import_assistant *);
+
+/* Initializes IA's first_line substructure. */
+static void
+init_first_line_page (struct import_assistant *ia)
+{
+  struct first_line_page *p = &ia->first_line;
+  GladeXML *xml = ia->asst.xml;
+
+  p->page = add_page_to_assistant (ia, get_widget_assert (xml, "FirstLine"),
+                                   GTK_ASSISTANT_PAGE_CONTENT);
+  gtk_widget_destroy (get_widget_assert (xml, "first-line"));
+  p->tree_view = create_lines_tree_view (
+    GTK_CONTAINER (get_widget_assert (xml, "first-line-scroller")), ia);
+  p->variable_names_cb = get_widget_assert (xml, "variable-names");
+  gtk_tree_selection_set_mode (
+    gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
+    GTK_SELECTION_BROWSE);
+  set_first_line (ia);
+  g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (p->tree_view)),
+                    "changed", G_CALLBACK (on_first_line_change), ia);
+  g_signal_connect (p->variable_names_cb, "toggled",
+                    G_CALLBACK (on_variable_names_cb_toggle), ia);
+}
+
+/* Resets the first_line page to its initial content. */
+static void
+reset_first_line_page (struct import_assistant *ia)
+{
+  ia->first_line.skip_lines = 0;
+  ia->first_line.variable_names = false;
+  set_first_line (ia);
+}
+
+/* Creates and returns a tree view that contains each of the
+   lines in IA's file as a row. */
+static GtkTreeView *
+create_lines_tree_view (GtkContainer *parent, struct import_assistant *ia)
+{
+  GtkTreeView *tree_view;
+  GtkTreeViewColumn *column;
+  size_t max_line_length;
+  gint content_width, header_width;
+  size_t i;
+
+  make_tree_view (ia, 0, &tree_view);
+
+  column = gtk_tree_view_column_new_with_attributes (
+    "Text", ia->asst.fixed_renderer,
+    "text", TEXT_IMPORT_MODEL_COLUMN_LINE,
+    (void *) NULL);
+  gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+
+  max_line_length = 0;
+  for (i = 0; i < ia->file.line_cnt; i++)
+    {
+      size_t w = ds_length (&ia->file.lines[i]);
+      max_line_length = MAX (max_line_length, w);
+    }
+
+  content_width = get_monospace_width (tree_view, ia->asst.fixed_renderer,
+                                       max_line_length);
+  header_width = get_string_width (tree_view, ia->asst.prop_renderer, "Text");
+  gtk_tree_view_column_set_fixed_width (column, MAX (content_width,
+                                                     header_width));
+  gtk_tree_view_append_column (tree_view, column);
+
+  gtk_tree_view_set_fixed_height_mode (tree_view, true);
+
+  gtk_container_add (parent, GTK_WIDGET (tree_view));
+  gtk_widget_show (GTK_WIDGET (tree_view));
+
+  return tree_view;
+}
+
+/* Called when the line selected in the first_line tree view
+   changes. */
+static void
+on_first_line_change (GtkTreeSelection *selection UNUSED,
+                      struct import_assistant *ia)
+{
+  get_first_line (ia);
+}
+
+/* Called when the checkbox that indicates whether variable
+   names are in the row above the first line is toggled. */
+static void
+on_variable_names_cb_toggle (GtkToggleButton *variable_names_cb UNUSED,
+                             struct import_assistant *ia)
+{
+  get_first_line (ia);
+}
+
+/* Sets the widgets to match IA's first_line substructure. */
+static void
+set_first_line (struct import_assistant *ia)
+{
+  GtkTreePath *path;
+
+  path = gtk_tree_path_new_from_indices (ia->first_line.skip_lines, -1);
+  gtk_tree_view_set_cursor (GTK_TREE_VIEW (ia->first_line.tree_view),
+                            path, NULL, false);
+  gtk_tree_path_free (path);
+
+  gtk_toggle_button_set_active (
+    GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb),
+    ia->first_line.variable_names);
+  gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
+                            ia->first_line.skip_lines > 0);
+}
+
+/* Sets IA's first_line substructure to match the widgets. */
+static void
+get_first_line (struct import_assistant *ia)
+{
+  GtkTreeSelection *selection;
+  GtkTreeIter iter;
+  GtkTreeModel *model;
+
+  selection = gtk_tree_view_get_selection (ia->first_line.tree_view);
+  if (gtk_tree_selection_get_selected (selection, &model, &iter))
+    {
+      GtkTreePath *path = gtk_tree_model_get_path (model, &iter);
+      int row = gtk_tree_path_get_indices (path)[0];
+      gtk_tree_path_free (path);
+
+      ia->first_line.skip_lines = row;
+      ia->first_line.variable_names =
+        (ia->first_line.skip_lines > 0
+         && gtk_toggle_button_get_active (
+           GTK_TOGGLE_BUTTON (ia->first_line.variable_names_cb)));
+    }
+  gtk_widget_set_sensitive (ia->first_line.variable_names_cb,
+                            ia->first_line.skip_lines > 0);
+}
+
+/* The "separators" page of the assistant. */
+
+static void revise_fields_preview (struct import_assistant *ia);
+static void choose_likely_separators (struct import_assistant *ia);
+static void find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
+                                  const char *targets, const char *def,
+                                  struct string *result);
+static void clear_fields (struct import_assistant *ia);
+static void revise_fields_preview (struct import_assistant *);
+static void set_separators (struct import_assistant *);
+static void get_separators (struct import_assistant *);
+static void on_separators_custom_entry_notify (GObject *UNUSED,
+                                               GParamSpec *UNUSED,
+                                               struct import_assistant *);
+static void on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
+                                            struct import_assistant *);
+static void on_quote_combo_change (GtkComboBox *combo,
+                                   struct import_assistant *);
+static void on_quote_cb_toggle (GtkToggleButton *quote_cb,
+                                struct import_assistant *);
+static void on_separator_toggle (GtkToggleButton *, struct import_assistant *);
+static void render_input_cell (GtkTreeViewColumn *tree_column,
+                               GtkCellRenderer *cell,
+                               GtkTreeModel *model, GtkTreeIter *iter,
+                               gpointer ia);
+static gboolean on_query_input_tooltip (GtkWidget *widget, gint wx, gint wy,
+                                        gboolean keyboard_mode UNUSED,
+                                        GtkTooltip *tooltip,
+                                        struct import_assistant *);
+
+/* A common field separator and its identifying name. */
+struct separator
+  {
+    const char *name;           /* Name (for use with get_widget_assert). */
+    int c;                      /* Separator character. */
+  };
+
+/* All the separators in the dialog box. */
+static const struct separator separators[] =
+  {
+    {"space", ' '},
+    {"tab", '\t'},
+    {"bang", '!'},
+    {"colon", ':'},
+    {"comma", ','},
+    {"hyphen", '-'},
+    {"pipe", '|'},
+    {"semicolon", ';'},
+    {"slash", '/'},
+  };
+#define SEPARATOR_CNT (sizeof separators / sizeof *separators)
+
+/* Initializes IA's separators substructure. */
+static void
+init_separators_page (struct import_assistant *ia)
+{
+  GladeXML *xml = ia->asst.xml;
+  struct separators_page *p = &ia->separators;
+  size_t i;
+
+  choose_likely_separators (ia);
+
+  p->page = add_page_to_assistant (ia, get_widget_assert (xml, "Separators"),
+                                   GTK_ASSISTANT_PAGE_CONTENT);
+  p->custom_cb = get_widget_assert (xml, "custom-cb");
+  p->custom_entry = get_widget_assert (xml, "custom-entry");
+  p->quote_combo = get_widget_assert (xml, "quote-combo");
+  p->quote_entry = GTK_ENTRY (gtk_bin_get_child (GTK_BIN (p->quote_combo)));
+  p->quote_cb = get_widget_assert (xml, "quote-cb");
+  p->escape_cb = get_widget_assert (xml, "escape");
+
+  set_separators (ia);
+  p->fields_tree_view = GTK_TREE_VIEW (get_widget_assert (xml, "fields"));
+  g_signal_connect (GTK_COMBO_BOX (p->quote_combo), "changed",
+                    G_CALLBACK (on_quote_combo_change), ia);
+  g_signal_connect (p->quote_cb, "toggled",
+                    G_CALLBACK (on_quote_cb_toggle), ia);
+  g_signal_connect (GTK_ENTRY (p->custom_entry), "notify::text",
+                    G_CALLBACK (on_separators_custom_entry_notify), ia);
+  g_signal_connect (p->custom_cb, "toggled",
+                    G_CALLBACK (on_separators_custom_cb_toggle), ia);
+  for (i = 0; i < SEPARATOR_CNT; i++)
+    g_signal_connect (get_widget_assert (xml, separators[i].name),
+                      "toggled", G_CALLBACK (on_separator_toggle), ia);
+  g_signal_connect (p->escape_cb, "toggled",
+                    G_CALLBACK (on_separator_toggle), ia);
+}
+
+/* Frees IA's separators substructure. */
+static void
+destroy_separators_page (struct import_assistant *ia)
+{
+  struct separators_page *s = &ia->separators;
+
+  ds_destroy (&s->separators);
+  ds_destroy (&s->quotes);
+  clear_fields (ia);
+}
+
+/* Called just before the separators page becomes visible in the
+   assistant. */
+static void
+prepare_separators_page (struct import_assistant *ia)
+{
+  revise_fields_preview (ia);
+}
+
+/* Called when the Reset button is clicked on the separators
+   page, resets the separators to the defaults. */
+static void
+reset_separators_page (struct import_assistant *ia)
+{
+  choose_likely_separators (ia);
+  set_separators (ia);
+}
+
+/* Frees and clears the column data in IA's separators
+   substructure. */
+static void
+clear_fields (struct import_assistant *ia)
+{
+  struct separators_page *s = &ia->separators;
+
+  if (s->column_cnt > 0)
+    {
+      struct column *col;
+      size_t row;
+
+      for (row = 0; row < ia->file.line_cnt; row++)
+        {
+          const struct string *line = &ia->file.lines[row];
+          const char *line_start = ds_data (line);
+          const char *line_end = ds_end (line);
+
+          for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+            {
+              char *s = ss_data (col->contents[row]);
+              if (!(s >= line_start && s <= line_end))
+                ss_dealloc (&col->contents[row]);
+            }
+        }
+
+      for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+        {
+          free (col->name);
+          free (col->contents);
+        }
+
+      free (s->columns);
+      s->columns = NULL;
+      s->column_cnt = 0;
+    }
+}
+
+/* Breaks the file data in IA into columns based on the
+   separators set in IA's separators substructure. */
+static void
+split_fields (struct import_assistant *ia)
+{
+  struct separators_page *s = &ia->separators;
+  size_t columns_allocated;
+  bool space_sep;
+  size_t row;
+
+  clear_fields (ia);
+
+  /* Is space in the set of separators? */
+  space_sep = ss_find_char (ds_ss (&s->separators), ' ') != SIZE_MAX;
+
+  /* Split all the lines, not just those from
+     ia->first_line.skip_lines on, so that we split the line that
+     contains variables names if ia->first_line.variable_names is
+     true. */
+  columns_allocated = 0;
+  for (row = 0; row < ia->file.line_cnt; row++)
+    {
+      struct string *line = &ia->file.lines[row];
+      struct substring text = ds_ss (line);
+      size_t column_idx;
+
+      for (column_idx = 0; ; column_idx++)
+        {
+          struct substring field;
+          struct column *column;
+
+          if (space_sep)
+            ss_ltrim (&text, ss_cstr (" "));
+          if (ss_is_empty (text))
+            {
+              if (column_idx != 0)
+                break;
+              field = text;
+            }
+          else if (!ds_is_empty (&s->quotes)
+                   && ds_find_char (&s->quotes, text.string[0]) != SIZE_MAX)
+            {
+              int quote = ss_get_char (&text);
+              if (!s->escape)
+                ss_get_until (&text, quote, &field);
+              else
+                {
+                  struct string s;
+                  int c;
+
+                  ds_init_empty (&s);
+                  while ((c = ss_get_char (&text)) != EOF)
+                    if (c != quote)
+                      ds_put_char (&s, c);
+                    else if (ss_match_char (&text, quote))
+                      ds_put_char (&s, quote);
+                    else
+                      break;
+                  field = ds_ss (&s);
+                }
+            }
+          else
+            ss_get_chars (&text, ss_cspan (text, ds_ss (&s->separators)),
+                          &field);
+
+          if (column_idx >= s->column_cnt)
+            {
+              struct column *column;
+
+              if (s->column_cnt >= columns_allocated)
+                s->columns = x2nrealloc (s->columns, &columns_allocated,
+                                         sizeof *s->columns);
+              column = &s->columns[s->column_cnt++];
+              column->name = NULL;
+              column->width = 0;
+              column->contents = xcalloc (ia->file.line_cnt,
+                                          sizeof *column->contents);
+            }
+          column = &s->columns[column_idx];
+          column->contents[row] = field;
+          if (ss_length (field) > column->width)
+            column->width = ss_length (field);
+
+          if (space_sep)
+            ss_ltrim (&text, ss_cstr (" "));
+          if (ss_is_empty (text))
+            break;
+          if (ss_find_char (ds_ss (&s->separators), ss_first (text))
+              != SIZE_MAX)
+            ss_advance (&text, 1);
+        }
+    }
+}
+
+/* Chooses a name for each column on the separators page */
+static void
+choose_column_names (struct import_assistant *ia)
+{
+  const struct first_line_page *f = &ia->first_line;
+  struct separators_page *s = &ia->separators;
+  struct dictionary *dict;
+  unsigned long int generated_name_count = 0;
+  struct column *col;
+  size_t name_row;
+
+  dict = dict_create ();
+  name_row = f->variable_names && f->skip_lines ? f->skip_lines : 0;
+  for (col = s->columns; col < &s->columns[s->column_cnt]; col++)
+    {
+      char name[VAR_NAME_LEN + 1];
+      char *hint;
+
+      hint = name_row ? ss_xstrdup (col->contents[name_row - 1]) : NULL;
+      if (!dict_make_unique_var_name (dict, hint, &generated_name_count, name))
+        NOT_REACHED ();
+      free (hint);
+
+      col->name = xstrdup (name);
+      dict_create_var_assert (dict, name, 0);
+    }
+  dict_destroy (dict);
+}
+
+/* Picks the most likely separator and quote characters based on
+   IA's file data. */
+static void
+choose_likely_separators (struct import_assistant *ia)
+{
+  unsigned long int histogram[UCHAR_MAX + 1] = { 0 };
+  size_t row;
+
+  /* Construct a histogram of all the characters used in the
+     file. */
+  for (row = 0; row < ia->file.line_cnt; row++)
+    {
+      struct substring line = ds_ss (&ia->file.lines[row]);
+      size_t length = ss_length (line);
+      size_t i;
+      for (i = 0; i < length; i++)
+        histogram[(unsigned char) line.string[i]]++;
+    }
+
+  find_commonest_chars (histogram, "\"'", "", &ia->separators.quotes);
+  find_commonest_chars (histogram, ",;:/|!\t-", ",",
+                        &ia->separators.separators);
+  ia->separators.escape = true;
+}
+
+/* Chooses the most common character among those in TARGETS,
+   based on the frequency data in HISTOGRAM, and stores it in
+   RESULT.  If there is a tie for the most common character among
+   those in TARGETS, the earliest character is chosen.  If none
+   of the TARGETS appear at all, then DEF is used as a
+   fallback. */
+static void
+find_commonest_chars (unsigned long int histogram[UCHAR_MAX + 1],
+                      const char *targets, const char *def,
+                      struct string *result)
+{
+  unsigned char max = 0;
+  unsigned long int max_count = 0;
+
+  for (; *targets != '\0'; targets++)
+    {
+      unsigned char c = *targets;
+      unsigned long int count = histogram[c];
+      if (count > max_count)
+        {
+          max = c;
+          max_count = count;
+        }
+    }
+  if (max_count > 0)
+    {
+      ds_clear (result);
+      ds_put_char (result, max);
+    }
+  else
+    ds_assign_cstr (result, def);
+}
+
+/* Revises the contents of the fields tree view based on the
+   currently chosen set of separators. */
+static void
+revise_fields_preview (struct import_assistant *ia)
+{
+  GtkWidget *w;
+  w = GTK_WIDGET (ia->separators.fields_tree_view);
+  gtk_widget_destroy (w);
+  get_separators (ia);
+  split_fields (ia);
+  choose_column_names (ia);
+  ia->separators.fields_tree_view = create_data_tree_view (
+    true,
+    GTK_CONTAINER (get_widget_assert (ia->asst.xml, "fields-scroller")),
+    ia);
+}
+
+/* Sets the widgets to match IA's separators substructure. */
+static void
+set_separators (struct import_assistant *ia)
+{
+  struct separators_page *s = &ia->separators;
+  unsigned int seps;
+  struct string custom;
+  bool any_custom;
+  bool any_quotes;
+  size_t i;
+
+  ds_init_empty (&custom);
+  seps = 0;
+  for (i = 0; i < ds_length (&s->separators); i++)
+    {
+      unsigned char c = ds_at (&s->separators, i);
+      int j;
+
+      for (j = 0; j < SEPARATOR_CNT; j++)
+        {
+          const struct separator *s = &separators[j];
+          if (s->c == c)
+            {
+              seps += 1u << j;
+              goto next;
+            }
+        }
+
+      ds_put_char (&custom, c);
+    next:;
+    }
+
+  for (i = 0; i < SEPARATOR_CNT; i++)
+    {
+      const struct separator *s = &separators[i];
+      GtkWidget *button = get_widget_assert (ia->asst.xml, s->name);
+      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button),
+                                    (seps & (1u << i)) != 0);
+    }
+  any_custom = !ds_is_empty (&custom);
+  gtk_entry_set_text (GTK_ENTRY (s->custom_entry), ds_cstr (&custom));
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->custom_cb),
+                                any_custom);
+  gtk_widget_set_sensitive (s->custom_entry, any_custom);
+  ds_destroy (&custom);
+
+  any_quotes = !ds_is_empty (&s->quotes);
+  gtk_entry_set_text (s->quote_entry,
+                      any_quotes ? ds_cstr (&s->quotes) : "\"");
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->quote_cb),
+                                any_quotes);
+  gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (s->escape_cb),
+                                s->escape);
+  gtk_widget_set_sensitive (s->quote_combo, any_quotes);
+  gtk_widget_set_sensitive (s->escape_cb, any_quotes);
+}
+
+/* Sets IA's separators substructure to match the widgets. */
+static void
+get_separators (struct import_assistant *ia)
+{
+  struct separators_page *s = &ia->separators;
+  int i;
+
+  ds_clear (&s->separators);
+  for (i = 0; i < SEPARATOR_CNT; i++)
+    {
+      const struct separator *sep = &separators[i];
+      GtkWidget *button = get_widget_assert (ia->asst.xml, sep->name);
+      if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (button)))
+        ds_put_char (&s->separators, sep->c);
+    }
+
+  if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->custom_cb)))
+    ds_put_cstr (&s->separators,
+                 gtk_entry_get_text (GTK_ENTRY (s->custom_entry)));
+
+  if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->quote_cb)))
+    {
+      gchar *text = gtk_combo_box_get_active_text (
+                      GTK_COMBO_BOX (s->quote_combo));
+      ds_assign_cstr (&s->quotes, text);
+      g_free (text);
+    }
+  else
+    ds_clear (&s->quotes);
+  s->escape = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (s->escape_cb));
+}
+
+/* Called when the user changes the entry field for custom
+   separators. */
+static void
+on_separators_custom_entry_notify (GObject *gobject UNUSED,
+                                   GParamSpec *arg1 UNUSED,
+                                   struct import_assistant *ia)
+{
+  revise_fields_preview (ia);
+}
+
+/* Called when the user toggles the checkbox that enables custom
+   separators. */
+static void
+on_separators_custom_cb_toggle (GtkToggleButton *custom_cb,
+                                struct import_assistant *ia)
+{
+  bool is_active = gtk_toggle_button_get_active (custom_cb);
+  gtk_widget_set_sensitive (ia->separators.custom_entry, is_active);
+  revise_fields_preview (ia);
+}
+
+/* Called when the user changes the selection in the combo box
+   that selects a quote character. */
+static void
+on_quote_combo_change (GtkComboBox *combo, struct import_assistant *ia)
+{
+  revise_fields_preview (ia);
+}
+
+/* Called when the user toggles the checkbox that enables
+   quoting. */
+static void
+on_quote_cb_toggle (GtkToggleButton *quote_cb, struct import_assistant *ia)
+{
+  bool is_active = gtk_toggle_button_get_active (quote_cb);
+  gtk_widget_set_sensitive (ia->separators.quote_combo, is_active);
+  gtk_widget_set_sensitive (ia->separators.escape_cb, is_active);
+  revise_fields_preview (ia);
+}
+
+/* Called when the user toggles one of the separators
+   checkboxes. */
+static void
+on_separator_toggle (GtkToggleButton *toggle UNUSED,
+                     struct import_assistant *ia)
+{
+  revise_fields_preview (ia);
+}
+
+/* Called to render one of the cells in the fields preview tree
+   view. */
+static void
+render_input_cell (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
+                   GtkTreeModel *model, GtkTreeIter *iter,
+                   gpointer ia_)
+{
+  struct import_assistant *ia = ia_;
+  struct substring field;
+  size_t row;
+  gint column;
+
+  column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tree_column),
+                                               "column-number"));
+  row = text_import_model_iter_to_row (iter) + ia->first_line.skip_lines;
+  field = ia->separators.columns[column].contents[row];
+  if (field.string != NULL)
+    {
+      GValue text = {0, };
+      g_value_init (&text, G_TYPE_STRING);
+      g_value_take_string (&text, ss_xstrdup (field));
+      g_object_set_property (G_OBJECT (cell), "text", &text);
+      g_value_unset (&text);
+      g_object_set (cell, "background-set", FALSE, (void *) NULL);
+    }
+  else
+    g_object_set (cell,
+                  "text", "",
+                  "background", "red",
+                  "background-set", TRUE,
+                  (void *) NULL);
+}
+
+/* Called to render a tooltip on one of the cells in the fields
+   preview tree view. */
+static gboolean
+on_query_input_tooltip (GtkWidget *widget, gint wx, gint wy,
+                        gboolean keyboard_mode UNUSED,
+                        GtkTooltip *tooltip, struct import_assistant *ia)
+{
+  size_t row, column;
+
+  if (!get_tooltip_location (widget, wx, wy, ia, &row, &column))
+    return FALSE;
+
+  if (ia->separators.columns[column].contents[row].string != NULL)
+    return FALSE;
+
+  gtk_tooltip_set_text (tooltip,
+                        _("This input line has too few separators "
+                          "to fill in this field."));
+  return TRUE;
+}
+
+/* The "formats" page of the assistant. */
+
+static void on_variable_change (PsppireDict *dict, int idx,
+                                struct import_assistant *);
+static void clear_modified_vars (struct import_assistant *);
+
+/* Initializes IA's formats substructure. */
+static void
+init_formats_page (struct import_assistant *ia)
+{
+  GladeXML *xml = ia->asst.xml;
+  struct formats_page *p = &ia->formats;
+
+  p->page = add_page_to_assistant (ia, get_widget_assert (xml, "Formats"),
+                                   GTK_ASSISTANT_PAGE_CONFIRM);
+  p->data_tree_view = GTK_TREE_VIEW (get_widget_assert (xml, "data"));
+  p->modified_vars = NULL;
+  p->modified_var_cnt = 0;
+}
+
+/* Frees IA's formats substructure. */
+static void
+destroy_formats_page (struct import_assistant *ia)
+{
+  struct formats_page *p = &ia->formats;
+
+  if (p->psppire_dict != NULL)
+    {
+      /* This destroys p->dict also. */
+      g_object_unref (p->psppire_dict);
+    }
+  clear_modified_vars (ia);
+}
+
+/* Called just before the formats page of the assistant is
+   displayed. */
+static void
+prepare_formats_page (struct import_assistant *ia)
+{
+  struct dictionary *dict;
+  PsppireDict *psppire_dict;
+  PsppireVarStore *var_store;
+  GtkBin *vars_scroller;
+  GtkWidget *old_var_sheet;
+  PsppireVarSheet *var_sheet;
+  struct separators_page *s = &ia->separators;
+  struct formats_page *p = &ia->formats;
+  struct fmt_guesser *fg;
+  unsigned long int number = 0;
+  size_t column_idx;
+
+  dict = dict_create ();
+  fg = fmt_guesser_create ();
+  for (column_idx = 0; column_idx < s->column_cnt; column_idx++)
+    {
+      struct variable *modified_var;
+      char name[VAR_NAME_LEN + 1];
+
+      modified_var = (column_idx < p->modified_var_cnt
+                      ? p->modified_vars[column_idx] : NULL);
+      if (modified_var == NULL)
+        {
+          struct column *column = &s->columns[column_idx];
+          struct variable *var;
+          struct fmt_spec format;
+          size_t row;
+
+          /* Choose variable name. */
+          if (!dict_make_unique_var_name (dict, column->name, &number, name))
+            NOT_REACHED ();
+
+          /* Choose variable format. */
+          fmt_guesser_clear (fg);
+          for (row = ia->first_line.skip_lines; row < ia->file.line_cnt; row++)
+            fmt_guesser_add (fg, column->contents[row]);
+          fmt_guesser_guess (fg, &format);
+          fmt_fix_input (&format);
+
+          /* Create variable. */
+          var = dict_create_var_assert (dict, name, fmt_var_width (&format));
+          var_set_both_formats (var, &format);
+        }
+      else
+        {
+          if (!dict_make_unique_var_name (dict, var_get_name (modified_var),
+                                          &number, name))
+            NOT_REACHED ();
+          dict_clone_var_assert (dict, modified_var, name);
+        }
+    }
+  fmt_guesser_destroy (fg);
+
+  psppire_dict = psppire_dict_new_from_dict (dict);
+  g_signal_connect (psppire_dict, "variable_changed",
+                    G_CALLBACK (on_variable_change), ia);
+  ia->formats.dict = dict;
+  ia->formats.psppire_dict = psppire_dict;
+
+  /* XXX: PsppireVarStore doesn't hold a reference to
+     psppire_dict for now, but it should.  After it does, we
+     should g_object_ref the psppire_dict here, since we also
+     hold a reference via ia->formats.dict. */
+  var_store = psppire_var_store_new (psppire_dict);
+  g_object_set (var_store,
+                "trailing-rows", 1,
+                "format-type", PSPPIRE_VAR_STORE_INPUT_FORMATS,
+                (void *) NULL);
+  var_sheet = PSPPIRE_VAR_SHEET (psppire_var_sheet_new ());
+  g_object_set (var_sheet,
+                "row-geometry", var_store,
+                "model", var_store,
+                "may-create-vars", FALSE,
+                (void *) NULL);
+
+  vars_scroller = GTK_BIN (get_widget_assert (ia->asst.xml, "vars-scroller"));
+  old_var_sheet = gtk_bin_get_child (vars_scroller);
+  if (old_var_sheet != NULL)
+    gtk_widget_destroy (old_var_sheet);
+  gtk_container_add (GTK_CONTAINER (vars_scroller), GTK_WIDGET (var_sheet));
+  gtk_widget_show (GTK_WIDGET (var_sheet));
+
+  gtk_widget_destroy (GTK_WIDGET (ia->formats.data_tree_view));
+  ia->formats.data_tree_view = create_data_tree_view (
+    false,
+    GTK_CONTAINER (get_widget_assert (ia->asst.xml, "data-scroller")),
+    ia);
+}
+
+/* Clears the set of user-modified variables from IA's formats
+   substructure.  This discards user modifications to variable
+   formats, thereby causing formats to revert to their
+   defaults.  */
+static void
+clear_modified_vars (struct import_assistant *ia)
+{
+  struct formats_page *p = &ia->formats;
+  size_t i;
+
+  for (i = 0; i < p->modified_var_cnt; i++)
+    var_destroy (p->modified_vars[i]);
+  free (p->modified_vars);
+  p->modified_vars = NULL;
+  p->modified_var_cnt = 0;
+}
+
+/* Resets the formats page to its defaults, discarding user
+   modifications. */
+static void
+reset_formats_page (struct import_assistant *ia)
+{
+  clear_modified_vars (ia);
+  prepare_formats_page (ia);
+}
+
+/* Called when the user changes one of the variables in the
+   dictionary. */
+static void
+on_variable_change (PsppireDict *dict, int dict_idx,
+                    struct import_assistant *ia)
+{
+  struct formats_page *p = &ia->formats;
+  GtkTreeView *tv = ia->formats.data_tree_view;
+  gint column_idx = dict_idx + 1;
+
+  /* Remove previous column and replace with new column. */
+  gtk_tree_view_remove_column (tv, gtk_tree_view_get_column (tv, column_idx));
+  gtk_tree_view_insert_column (tv, make_data_column (ia, tv, false, dict_idx),
+                               column_idx);
+
+  /* Save a copy of the modified variable in modified_vars, so
+     that its attributes will be preserved if we back up to the
+     previous page with the Prev button and then come back
+     here. */
+  if (dict_idx >= p->modified_var_cnt)
+    {
+      size_t i;
+      p->modified_vars = xnrealloc (p->modified_vars, dict_idx + 1,
+                                    sizeof *p->modified_vars);
+      for (i = 0; i <= dict_idx; i++)
+        p->modified_vars[i] = NULL;
+      p->modified_var_cnt = dict_idx + 1;
+    }
+  if (p->modified_vars[dict_idx])
+    var_destroy (p->modified_vars[dict_idx]);
+  p->modified_vars[dict_idx]
+    = var_clone (psppire_dict_get_variable (dict, dict_idx));
+}
+
+/* Parses the contents of the field at (ROW,COLUMN) according to
+   its variable format.  If OUTPUTP is non-null, then *OUTPUTP
+   receives the formatted output for that field (which must be
+   freed with free).  If TOOLTIPP is non-null, then *TOOLTIPP
+   receives a message suitable for use in a tooltip, if one is
+   needed, or a null pointer otherwise.  Returns true if a
+   tooltip message is needed, otherwise false. */
+static bool
+parse_field (struct import_assistant *ia,
+             size_t row, size_t column,
+             char **outputp, char **tooltipp)
+{
+  struct substring field;
+  union value *val;
+  struct variable *var;
+  const struct fmt_spec *in;
+  struct fmt_spec out;
+  char *tooltip;
+  bool ok;
+
+  field = ia->separators.columns[column].contents[row];
+  var = dict_get_var (ia->formats.dict, column);
+  val = value_create (var_get_width (var));
+  in = var_get_print_format (var);
+  out = fmt_for_output_from_input (in);
+  tooltip = NULL;
+  if (field.string != NULL)
+    {
+      msg_disable ();
+      if (!data_in (field, LEGACY_NATIVE, in->type, 0, 0, 0,
+                    val, var_get_width (var)))
+        {
+          char fmt_string[FMT_STRING_LEN_MAX + 1];
+          fmt_to_string (in, fmt_string);
+          tooltip = xasprintf (_("Field content \"%.*s\" cannot be parsed in "
+                                 "format %s."),
+                               (int) field.length, field.string,
+                               fmt_string);
+        }
+      msg_enable ();
+    }
+  else
+    {
+      tooltip = xstrdup (_("This input line has too few separators "
+                           "to fill in this field."));
+      value_set_missing (val, var_get_width (var));
+    }
+  if (outputp != NULL)
+    {
+      char *output = xmalloc (out.w + 1);
+      data_out (val, &out, output);
+      output[out.w] = '\0';
+      *outputp = output;
+    }
+  free (val);
+
+  ok = tooltip == NULL;
+  if (tooltipp != NULL)
+    *tooltipp = tooltip;
+  else
+    free (tooltip);
+  return ok;
+}
+
+/* Called to render one of the cells in the data preview tree
+   view. */
+static void
+render_output_cell (GtkTreeViewColumn *tree_column,
+                    GtkCellRenderer *cell,
+                    GtkTreeModel *model,
+                    GtkTreeIter *iter,
+                    gpointer ia_)
+{
+  struct import_assistant *ia = ia_;
+  char *output;
+  GValue gvalue = { 0, };
+  bool ok;
+
+  ok = parse_field (ia,
+                    (text_import_model_iter_to_row (iter)
+                     + ia->first_line.skip_lines),
+                    GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tree_column),
+                                                        "column-number")),
+                    &output, NULL);
+
+  g_value_init (&gvalue, G_TYPE_STRING);
+  g_value_take_string (&gvalue, output);
+  g_object_set_property (G_OBJECT (cell), "text", &gvalue);
+  g_value_unset (&gvalue);
+
+  if (ok)
+    g_object_set (cell, "background-set", FALSE, (void *) NULL);
+  else
+    g_object_set (cell,
+                  "background", "red",
+                  "background-set", TRUE,
+                  (void *) NULL);
+}
+
+/* Called to render a tooltip for one of the cells in the data
+   preview tree view. */
+static gboolean
+on_query_output_tooltip (GtkWidget *widget, gint wx, gint wy,
+                        gboolean keyboard_mode UNUSED,
+                        GtkTooltip *tooltip, struct import_assistant *ia)
+{
+  size_t row, column;
+  char *text;
+
+  if (!get_tooltip_location (widget, wx, wy, ia, &row, &column))
+    return FALSE;
+
+  if (parse_field (ia, row, column, NULL, &text))
+    return FALSE;
+
+  gtk_tooltip_set_text (tooltip, text);
+  free (text);
+  return TRUE;
+}
+
+/* Utility functions used by multiple pages of the assistant. */
+
+static gboolean
+get_tooltip_location (GtkWidget *widget, gint wx, gint wy,
+                      const struct import_assistant *ia,
+                      size_t *row, size_t *column)
+{
+  GtkTreeView *tree_view = GTK_TREE_VIEW (widget);
+  gint bx, by;
+  GtkTreePath *path;
+  GtkTreeIter iter;
+  GtkTreeViewColumn *tree_column;
+  GtkTreeModel *tree_model;
+  bool ok;
+
+  gtk_tree_view_convert_widget_to_bin_window_coords (tree_view,
+                                                     wx, wy, &bx, &by);
+  if (!gtk_tree_view_get_path_at_pos (tree_view, bx, by,
+                                      &path, &tree_column, NULL, NULL))
+    return FALSE;
+
+  *column = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (tree_column),
+                                                "column-number"));
+
+  tree_model = gtk_tree_view_get_model (tree_view);
+  ok = gtk_tree_model_get_iter (tree_model, &iter, path);
+  gtk_tree_path_free (path);
+  if (!ok)
+    return FALSE;
+
+  *row = text_import_model_iter_to_row (&iter) + ia->first_line.skip_lines;
+  return TRUE;
+}
+
+static void
+make_tree_view (const struct import_assistant *ia,
+                size_t first_line,
+                GtkTreeView **tree_view)
+{
+  GtkTreeModel *model;
+
+  *tree_view = GTK_TREE_VIEW (gtk_tree_view_new ());
+  model = GTK_TREE_MODEL (text_import_model_new (
+                            ia->file.lines + first_line,
+                            ia->file.line_cnt - first_line, first_line));
+  gtk_tree_view_set_model (*tree_view, model);
+
+  add_line_number_column (ia, *tree_view);
+}
+
+static void
+add_line_number_column (const struct import_assistant *ia,
+                        GtkTreeView *treeview)
+{
+  GtkTreeViewColumn *column;
+
+  column = gtk_tree_view_column_new_with_attributes (
+    "Line", ia->asst.prop_renderer,
+    "text", TEXT_IMPORT_MODEL_COLUMN_LINE_NUMBER,
+    (void *) NULL);
+  gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
+  gtk_tree_view_column_set_fixed_width (
+    column, get_monospace_width (treeview, ia->asst.prop_renderer, 5));
+  gtk_tree_view_append_column (treeview, column);
+}
+
+static gint
+get_monospace_width (GtkTreeView *treeview, GtkCellRenderer *renderer,
+                     size_t char_cnt)
+{
+  struct string s;
+  gint width;
+
+  ds_init_empty (&s);
+  ds_put_char_multiple (&s, '0', char_cnt);
+  ds_put_char (&s, ' ');
+  width = get_string_width (treeview, renderer, ds_cstr (&s));
+  ds_destroy (&s);
+
+  return width;
+}
+
+static gint
+get_string_width (GtkTreeView *treeview, GtkCellRenderer *renderer,
+                  const char *string)
+{
+  gint width;
+  g_object_set (G_OBJECT (renderer), "text", string, (void *) NULL);
+  gtk_cell_renderer_get_size (renderer, GTK_WIDGET (treeview),
+                              NULL, NULL, NULL, &width, NULL);
+  return width;
+}
+
+static GtkTreeViewColumn *
+make_data_column (struct import_assistant *ia, GtkTreeView *tree_view,
+                  bool input, gint dict_idx)
+{
+  struct variable *var = NULL;
+  struct column *column = NULL;
+  char name[(VAR_NAME_LEN * 2) + 1];
+  size_t char_cnt;
+  gint content_width, header_width;
+  GtkTreeViewColumn *tree_column;
+
+  if (input)
+    column = &ia->separators.columns[dict_idx];
+  else
+    var = dict_get_var (ia->formats.dict, dict_idx);
+
+  escape_underscores (input ? column->name : var_get_name (var), name);
+  char_cnt = input ? column->width : var_get_print_format (var)->w;
+  content_width = get_monospace_width (tree_view, ia->asst.fixed_renderer,
+                                       char_cnt);
+  header_width = get_string_width (tree_view, ia->asst.prop_renderer,
+                                   name);
+
+  tree_column = gtk_tree_view_column_new ();
+  g_object_set_data (G_OBJECT (tree_column), "column-number",
+                     GINT_TO_POINTER (dict_idx));
+  gtk_tree_view_column_set_title (tree_column, name);
+  gtk_tree_view_column_pack_start (tree_column, ia->asst.fixed_renderer,
+                                   FALSE);
+  gtk_tree_view_column_set_cell_data_func (
+    tree_column, ia->asst.fixed_renderer,
+    input ? render_input_cell : render_output_cell, ia, NULL);
+  gtk_tree_view_column_set_sizing (tree_column, GTK_TREE_VIEW_COLUMN_FIXED);
+  gtk_tree_view_column_set_fixed_width (tree_column, MAX (content_width,
+                                                          header_width));
+
+  return tree_column;
+}
+
+static GtkTreeView *
+create_data_tree_view (bool input, GtkContainer *parent,
+                       struct import_assistant *ia)
+{
+  GtkTreeView *tree_view;
+  gint i;
+
+  make_tree_view (ia, ia->first_line.skip_lines, &tree_view);
+  gtk_tree_selection_set_mode (gtk_tree_view_get_selection (tree_view),
+                               GTK_SELECTION_NONE);
+
+  for (i = 0; i < ia->separators.column_cnt; i++)
+    gtk_tree_view_append_column (tree_view,
+                                 make_data_column (ia, tree_view, input, i));
+
+  g_object_set (G_OBJECT (tree_view), "has-tooltip", TRUE, (void *) NULL);
+  g_signal_connect (tree_view, "query-tooltip",
+                    G_CALLBACK (input ? on_query_input_tooltip
+                                : on_query_output_tooltip), ia);
+  gtk_tree_view_set_fixed_height_mode (tree_view, true);
+
+  gtk_container_add (parent, GTK_WIDGET (tree_view));
+  gtk_widget_show (GTK_WIDGET (tree_view));
+
+  return tree_view;
+}
+
+static void
+escape_underscores (const char *in, char *out)
+{
+  for (; *in != '\0'; in++)
+    {
+      if (*in == '_')
+        *out++ = '_';
+      *out++ = *in;
+    }
+  *out = '\0';
+}
+
+/* TextImportModel, a GtkTreeModel implementation used by some
+   pages of the assistant. */
+
+#define G_TYPE_TEXT_IMPORT_MODEL (text_import_model_get_type ())
+#define TEXT_IMPORT_MODEL(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), 
G_TYPE_TEXT_IMPORT_MODEL, TextImportModel))
+#define TEXT_IMPORT_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), 
G_TYPE_TEXT_IMPORT_MODEL, TextImportModelClass))
+#define IS_TEXT_IMPORT_MODEL(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), 
G_TYPE_TEXT_IMPORT_MODEL))
+#define IS_TEXT_IMPORT_MODEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), 
G_TYPE_TEXT_IMPORT_MODEL))
+#define TEXT_IMPORT_MODEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), 
G_TYPE_TEXT_IMPORT_MODEL, TextImportModelClass))
+
+/* Random number used in 'stamp' member of GtkTreeIter. */
+#define TREE_MODEL_STAMP 0x7efd67d3
+
+struct TextImportModel
+{
+  GObject             parent;
+  struct string *lines;
+  size_t line_cnt;
+  size_t first_line;
+};
+
+struct TextImportModelClass
+{
+  GObjectClass parent_class;
+};
+
+GType text_import_model_get_type (void);
+static void text_import_model_tree_model_init (gpointer iface, gpointer data);
+
+GType
+text_import_model_get_type (void)
+{
+  static GType object_type = 0;
+
+  if (!object_type)
+    {
+      static const GTypeInfo object_info = {
+       sizeof (TextImportModelClass),
+       (GBaseInitFunc) NULL,
+       (GBaseFinalizeFunc) NULL,
+       NULL,   /* class_init */
+       NULL,   /* class_finalize */
+       NULL,   /* class_data */
+       sizeof (TextImportModel),
+       0,      /* n_preallocs */
+       NULL,   /* instance_init */
+      };
+
+      static const GInterfaceInfo tree_model_info = {
+       text_import_model_tree_model_init,
+       NULL,
+       NULL
+      };
+
+      object_type = g_type_register_static (G_TYPE_OBJECT,
+                                           "TextImportModel",
+                                           &object_info, 0);
+
+      g_type_add_interface_static (object_type, GTK_TYPE_TREE_MODEL,
+                                  &tree_model_info);
+
+
+    }
+
+  return object_type;
+}
+
+
+/* Creates and returns a new TextImportModel that contains the
+   LINE_CNT lines in LINES.  The lines before FIRST_LINE in LINES
+   are not part of the model, but they are included in the line
+   numbers in the TEXT_IMPORT_MODEL_COLUMN_LINE_NUMBER column.
+
+   The caller retains responsibility for freeing LINES and must
+   ensure that its lifetime and that of the strings that it
+   contains exceeds that of the TextImportModel. */
+TextImportModel *
+text_import_model_new (struct string *lines, size_t line_cnt,
+                       size_t first_line)
+{
+  TextImportModel *new_text_import_model
+    = g_object_new (G_TYPE_TEXT_IMPORT_MODEL, NULL);
+  new_text_import_model->lines = lines;
+  new_text_import_model->line_cnt = line_cnt;
+  new_text_import_model->first_line = first_line;
+  return new_text_import_model;
+}
+
+
+static gboolean
+tree_model_iter_has_child  (GtkTreeModel *tree_model,
+                           GtkTreeIter  *iter)
+{
+  return FALSE;
+}
+
+static gboolean
+tree_model_iter_parent (GtkTreeModel *tree_model,
+                       GtkTreeIter *iter,
+                       GtkTreeIter *child)
+{
+  return TRUE;
+}
+
+static GtkTreeModelFlags
+tree_model_get_flags (GtkTreeModel *model)
+{
+  g_return_val_if_fail (IS_TEXT_IMPORT_MODEL (model), (GtkTreeModelFlags) 0);
+
+  return GTK_TREE_MODEL_LIST_ONLY | GTK_TREE_MODEL_ITERS_PERSIST;
+}
+
+
+static gint
+tree_model_n_columns (GtkTreeModel *model)
+{
+  return 2;
+}
+
+static GType
+tree_model_column_type (GtkTreeModel *model, gint index)
+{
+  return (index == TEXT_IMPORT_MODEL_COLUMN_LINE_NUMBER ? G_TYPE_INT
+          : index == TEXT_IMPORT_MODEL_COLUMN_LINE ? G_TYPE_STRING
+          : -1);
+}
+
+static gboolean
+init_iter (TextImportModel *list, gint idx, GtkTreeIter *iter)
+{
+  if (idx < 0 || idx >= list->line_cnt)
+    {
+      iter->stamp = 0;
+      iter->user_data = GINT_TO_POINTER (-1);
+      return FALSE;
+    }
+  else
+    {
+      iter->stamp = TREE_MODEL_STAMP;
+      iter->user_data = GINT_TO_POINTER (idx);
+      return TRUE;
+    }
+}
+
+static gboolean
+tree_model_get_iter (GtkTreeModel *model, GtkTreeIter *iter, GtkTreePath *path)
+{
+  gint *indices, depth;
+
+  TextImportModel *list = TEXT_IMPORT_MODEL (model);
+
+  g_return_val_if_fail (path, FALSE);
+
+  indices = gtk_tree_path_get_indices (path);
+  depth = gtk_tree_path_get_depth (path);
+
+  g_return_val_if_fail (depth == 1, FALSE);
+
+  return init_iter (list, indices[0], iter);
+}
+
+
+static gboolean
+tree_model_iter_next (GtkTreeModel *model, GtkTreeIter *iter)
+{
+  TextImportModel *list = TEXT_IMPORT_MODEL (model);
+  gint idx;
+
+  assert (iter->stamp == TREE_MODEL_STAMP);
+
+  idx = GPOINTER_TO_INT (iter->user_data);
+  return init_iter (list, idx == -1 ? -1 : idx + 1, iter);
+}
+
+static GtkTreePath *
+tree_model_get_path (GtkTreeModel *model, GtkTreeIter *iter)
+{
+  GtkTreePath *path;
+
+  g_return_val_if_fail (iter->stamp == TREE_MODEL_STAMP, FALSE);
+
+  path = gtk_tree_path_new ();
+  gtk_tree_path_append_index (path, GPOINTER_TO_INT (iter->user_data));
+
+  return path;
+}
+
+static void
+tree_model_get_value (GtkTreeModel *model, GtkTreeIter *iter,
+                     gint column, GValue *value)
+{
+  TextImportModel *list = TEXT_IMPORT_MODEL (model);
+  gint idx;
+
+  g_return_if_fail (iter->stamp == TREE_MODEL_STAMP);
+
+  idx = GPOINTER_TO_INT (iter->user_data);
+  assert (idx >= 0 && idx < list->line_cnt);
+
+  if (column == 0)
+    {
+      g_value_init (value, G_TYPE_INT);
+      g_value_set_int (value, idx + list->first_line + 1);
+    }
+  else
+    {
+      g_value_init (value, G_TYPE_STRING);
+      g_value_set_static_string (value, ds_cstr (&list->lines[idx]));
+    }
+}
+
+static gboolean
+tree_model_iter_children (GtkTreeModel *tree_model,
+                         GtkTreeIter *iter,
+                         GtkTreeIter *parent)
+{
+  return FALSE;
+}
+
+static gint
+tree_model_n_children (GtkTreeModel *model, GtkTreeIter  *iter)
+{
+  TextImportModel *list = TEXT_IMPORT_MODEL (model);
+
+  return iter == NULL ? list->line_cnt : 0;
+}
+
+static gboolean
+tree_model_nth_child (GtkTreeModel *model, GtkTreeIter *iter,
+                     GtkTreeIter *parent, gint n)
+{
+  TextImportModel *list = TEXT_IMPORT_MODEL (model);
+  g_return_val_if_fail (IS_TEXT_IMPORT_MODEL (model), FALSE);
+
+  if (parent)
+    return FALSE;
+  return init_iter (list, n, iter);
+}
+
+static void
+text_import_model_tree_model_init (gpointer iface_, gpointer data UNUSED)
+{
+  GtkTreeModelIface *iface = (GtkTreeModelIface *) iface_;
+
+  iface->get_flags = tree_model_get_flags;
+  iface->get_n_columns = tree_model_n_columns;
+  iface->get_column_type = tree_model_column_type;
+  iface->get_iter = tree_model_get_iter;
+  iface->iter_next = tree_model_iter_next;
+  iface->get_path = tree_model_get_path;
+  iface->get_value = tree_model_get_value;
+
+  iface->iter_children = tree_model_iter_children;
+  iface->iter_has_child = tree_model_iter_has_child;
+  iface->iter_n_children = tree_model_n_children;
+  iface->iter_nth_child = tree_model_nth_child;
+  iface->iter_parent = tree_model_iter_parent;
+}
+
+gint
+text_import_model_iter_to_row (const GtkTreeIter *iter)
+{
+  assert (iter->stamp == TREE_MODEL_STAMP);
+  return GPOINTER_TO_INT (iter->user_data);
+}

Index: text-data-import-dialog.h
===================================================================
RCS file: text-data-import-dialog.h
diff -N text-data-import-dialog.h
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ text-data-import-dialog.h   16 Mar 2008 20:06:29 -0000      1.1
@@ -0,0 +1,24 @@
+/* PSPPIRE - a graphical user interface for PSPP.
+   Copyright (C) 2008  Free Software Foundation
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   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, see <http://www.gnu.org/licenses/>. */
+
+#ifndef TEXT_DATA_IMPORT_DIALOG_H
+#define TEXT_DATA_IMPORT_DIALOG_H
+
+#include <glib-object.h>
+
+void text_data_import_assistant (GObject *o, gpointer data);
+
+#endif

Index: text-data-import.glade
===================================================================
RCS file: text-data-import.glade
diff -N text-data-import.glade
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ text-data-import.glade      16 Mar 2008 20:06:30 -0000      1.1
@@ -0,0 +1,721 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE glade-interface SYSTEM "glade-2.0.dtd">
+<!--Generated with glade3 3.4.0 on Fri Mar  7 23:09:37 2008 -->
+<glade-interface>
+  <widget class="GtkWindow" id="Intro">
+    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+    <property name="title" translatable="yes">Importing Textual Data</property>
+    <child>
+      <widget class="GtkVBox" id="vbox3">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+        <child>
+          <widget class="GtkLabel" id="intro-label">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label" translatable="yes">This assistant will 
guide you through the process of importing data into PSPP from a text file with 
one line per case,  in which fields are separated by tabs, commas, or other 
delimiters.
+
+The selected file contains N lines of text.  Only the first M of these will be 
shown for preview purposes in the following screens.  You may choose below how 
much of the file should actually be imported.</property>
+            <property name="wrap">True</property>
+          </widget>
+        </child>
+        <child>
+          <widget class="GtkAlignment" id="alignment10">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="xscale">0</property>
+            <child>
+              <widget class="GtkFrame" id="frame7">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">GTK_SHADOW_NONE</property>
+                <child>
+                  <widget class="GtkAlignment" id="alignment11">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <widget class="GtkVBox" id="vbox1">
+                        <property name="visible">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <child>
+                          <widget class="GtkRadioButton" id="import-all-cases">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">All 
cases</property>
+                            <property name="response_id">0</property>
+                            <property name="active">True</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                        </child>
+                        <child>
+                          <widget class="GtkHBox" id="hbox1">
+                            <property name="visible">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <child>
+                              <widget class="GtkRadioButton" 
id="import-n-cases">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="label" translatable="yes">Only 
first </property>
+                                <property name="response_id">0</property>
+                                <property name="active">True</property>
+                                <property name="draw_indicator">True</property>
+                                <property 
name="group">import-all-cases</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <widget class="GtkSpinButton" id="n-cases-spin">
+                                <property name="visible">True</property>
+                                <property name="sensitive">False</property>
+                                <property name="can_focus">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="adjustment">1000 0 100000000 1 
10 10</property>
+                                <property name="climb_rate">10</property>
+                                <property name="snap_to_ticks">True</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <widget class="GtkLabel" id="label1">
+                                <property name="visible">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="label" translatable="yes"> 
cases</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">2</property>
+                              </packing>
+                            </child>
+                          </widget>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">False</property>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkHBox" id="hbox3">
+                            <property name="visible">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <child>
+                              <widget class="GtkRadioButton" 
id="import-percent">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="label" translatable="yes">Only 
first </property>
+                                <property name="response_id">0</property>
+                                <property name="active">True</property>
+                                <property name="draw_indicator">True</property>
+                                <property 
name="group">import-all-cases</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <widget class="GtkSpinButton" id="percent-spin">
+                                <property name="visible">True</property>
+                                <property name="sensitive">False</property>
+                                <property name="can_focus">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="adjustment">100 1 100 1 10 
10</property>
+                                <property name="snap_to_ticks">True</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">1</property>
+                              </packing>
+                            </child>
+                            <child>
+                              <widget class="GtkLabel" id="label2">
+                                <property name="visible">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="label" translatable="yes">% of 
file (approximately)</property>
+                              </widget>
+                              <packing>
+                                <property name="expand">False</property>
+                                <property name="fill">False</property>
+                                <property name="position">2</property>
+                              </packing>
+                            </child>
+                          </widget>
+                          <packing>
+                            <property name="position">2</property>
+                          </packing>
+                        </child>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+                <child>
+                  <widget class="GtkLabel" id="label8">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="label" translatable="yes">&lt;b&gt;Amount 
to Import&lt;/b&gt;</property>
+                    <property name="use_markup">True</property>
+                  </widget>
+                  <packing>
+                    <property name="type">label_item</property>
+                  </packing>
+                </child>
+              </widget>
+            </child>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
+  <widget class="GtkWindow" id="FirstLine">
+    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+    <property name="title" translatable="yes">Select Data to Import</property>
+    <child>
+      <widget class="GtkVBox" id="vbox2">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+        <child>
+          <widget class="GtkLabel" id="label3">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label" translatable="yes">Select the first line of 
the data file that contains data.</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+          </packing>
+        </child>
+        <child>
+          <widget class="GtkCheckButton" id="variable-names">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label" translatable="yes">Line above selected line 
contains variable names</property>
+            <property name="response_id">0</property>
+            <property name="draw_indicator">True</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <widget class="GtkScrolledWindow" id="first-line-scroller">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+            <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+            <child>
+              <widget class="GtkTreeView" id="first-line">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="headers_clickable">True</property>
+              </widget>
+            </child>
+          </widget>
+          <packing>
+            <property name="position">2</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
+  <widget class="GtkWindow" id="Separators">
+    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+    <property name="title" translatable="yes">Choose Separators</property>
+    <child>
+      <widget class="GtkVBox" id="vbox4">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+        <child>
+          <widget class="GtkHBox" id="hbox2">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <child>
+              <widget class="GtkFrame" id="foo">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">GTK_SHADOW_NONE</property>
+                <child>
+                  <widget class="GtkAlignment" id="alignment1">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <widget class="GtkTable" id="table1">
+                        <property name="visible">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="n_rows">4</property>
+                        <property name="n_columns">3</property>
+                        <child>
+                          <widget class="GtkCheckButton" id="space">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" 
translatable="yes">_Space</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="tab">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" 
translatable="yes">Ta_b</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="right_attach">2</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="bang">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">Ban_g 
(!)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">2</property>
+                            <property name="right_attach">3</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="colon">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">_Colon 
(:)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="top_attach">1</property>
+                            <property name="bottom_attach">2</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="comma">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">Co_mma 
(,)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="right_attach">2</property>
+                            <property name="top_attach">1</property>
+                            <property name="bottom_attach">2</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="hyphen">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">H_yphen 
(-)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">2</property>
+                            <property name="right_attach">3</property>
+                            <property name="top_attach">1</property>
+                            <property name="bottom_attach">2</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="pipe">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">P_ipe 
(|)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="top_attach">2</property>
+                            <property name="bottom_attach">3</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="semicolon">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" 
translatable="yes">Semicolo_n (;)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="right_attach">2</property>
+                            <property name="top_attach">2</property>
+                            <property name="bottom_attach">3</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="slash">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">Slas_h 
(/)</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">2</property>
+                            <property name="right_attach">3</property>
+                            <property name="top_attach">2</property>
+                            <property name="bottom_attach">3</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="custom-cb">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" 
translatable="yes">C_ustom</property>
+                            <property name="use_underline">True</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="top_attach">3</property>
+                            <property name="bottom_attach">4</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkEntry" id="custom-entry">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="right_attach">3</property>
+                            <property name="top_attach">3</property>
+                            <property name="bottom_attach">4</property>
+                          </packing>
+                        </child>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+                <child>
+                  <widget class="GtkLabel" id="label5">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="label" 
translatable="yes">&lt;b&gt;Separators&lt;/b&gt;</property>
+                    <property name="use_markup">True</property>
+                  </widget>
+                  <packing>
+                    <property name="type">label_item</property>
+                  </packing>
+                </child>
+              </widget>
+            </child>
+            <child>
+              <widget class="GtkFrame" id="frame2">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">GTK_SHADOW_NONE</property>
+                <child>
+                  <widget class="GtkAlignment" id="alignment2">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <widget class="GtkTable" id="table2">
+                        <property name="visible">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="n_rows">2</property>
+                        <property name="n_columns">2</property>
+                        <child>
+                          <widget class="GtkCheckButton" id="quote-cb">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">Quote 
separator characters with</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="x_options"></property>
+                            <property name="y_options">GTK_FILL</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkComboBoxEntry" id="quote-combo">
+                            <property name="visible">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="has_frame">False</property>
+                            <property name="items" translatable="yes">"'
+"
+'
+</property>
+                            <child internal-child="entry">
+                              <widget class="GtkEntry" id="quote">
+                                <property name="visible">True</property>
+                                <property name="can_focus">True</property>
+                                <property 
name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | 
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
+                                <property name="width_chars">2</property>
+                              </widget>
+                            </child>
+                          </widget>
+                          <packing>
+                            <property name="left_attach">1</property>
+                            <property name="right_attach">2</property>
+                            <property name="x_options"></property>
+                            <property name="y_options"></property>
+                          </packing>
+                        </child>
+                        <child>
+                          <widget class="GtkCheckButton" id="escape">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="label" translatable="yes">Doubled 
quote mark treated as escape</property>
+                            <property name="response_id">0</property>
+                            <property name="draw_indicator">True</property>
+                          </widget>
+                          <packing>
+                            <property name="right_attach">2</property>
+                            <property name="top_attach">1</property>
+                            <property name="bottom_attach">2</property>
+                            <property name="y_options"></property>
+                          </packing>
+                        </child>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+                <child>
+                  <widget class="GtkLabel" id="label7">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="label" 
translatable="yes">&lt;b&gt;Quoting&lt;/b&gt;</property>
+                    <property name="use_markup">True</property>
+                  </widget>
+                  <packing>
+                    <property name="type">label_item</property>
+                  </packing>
+                </child>
+              </widget>
+              <packing>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+          </packing>
+        </child>
+        <child>
+          <widget class="GtkFrame" id="frame3">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label_xalign">0</property>
+            <property name="shadow_type">GTK_SHADOW_NONE</property>
+            <child>
+              <widget class="GtkAlignment" id="alignment3">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="left_padding">12</property>
+                <child>
+                  <widget class="GtkScrolledWindow" id="fields-scroller">
+                    <property name="visible">True</property>
+                    <property name="can_focus">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property 
name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                    <property 
name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                    <child>
+                      <widget class="GtkTreeView" id="fields">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property name="headers_clickable">True</property>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+              </widget>
+            </child>
+            <child>
+              <widget class="GtkLabel" id="label9">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label" translatable="yes">&lt;b&gt;Fields 
Preview&lt;/b&gt;</property>
+                <property name="use_markup">True</property>
+              </widget>
+              <packing>
+                <property name="type">label_item</property>
+              </packing>
+            </child>
+          </widget>
+          <packing>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
+  <widget class="GtkWindow" id="Formats">
+    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+    <property name="title" translatable="yes">Adjust Variable 
Formats</property>
+    <child>
+      <widget class="GtkVBox" id="vbox5">
+        <property name="visible">True</property>
+        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+        <child>
+          <widget class="GtkLabel" id="label12">
+            <property name="visible">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="label" translatable="yes">Check the data formats 
displayed below and fix any that are incorrect.  You may set other variable 
properties now or later.</property>
+            <property name="wrap">True</property>
+          </widget>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+          </packing>
+        </child>
+        <child>
+          <widget class="GtkVPaned" id="vpaned1">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+            <property name="position">94</property>
+            <child>
+              <widget class="GtkFrame" id="frame4">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">GTK_SHADOW_NONE</property>
+                <child>
+                  <widget class="GtkAlignment" id="alignment5">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <widget class="GtkScrolledWindow" id="vars-scroller">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property 
name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                        <property 
name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                        <child>
+                          <placeholder/>
+                        </child>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+                <child>
+                  <widget class="GtkLabel" id="label10">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="label" 
translatable="yes">&lt;b&gt;Variables&lt;/b&gt;</property>
+                    <property name="use_markup">True</property>
+                  </widget>
+                  <packing>
+                    <property name="type">label_item</property>
+                  </packing>
+                </child>
+              </widget>
+              <packing>
+                <property name="resize">False</property>
+                <property name="shrink">True</property>
+              </packing>
+            </child>
+            <child>
+              <widget class="GtkFrame" id="frame5">
+                <property name="visible">True</property>
+                <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                <property name="label_xalign">0</property>
+                <property name="shadow_type">GTK_SHADOW_NONE</property>
+                <child>
+                  <widget class="GtkAlignment" id="alignment6">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="left_padding">12</property>
+                    <child>
+                      <widget class="GtkScrolledWindow" id="data-scroller">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                        <property 
name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                        <property 
name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+                        <child>
+                          <widget class="GtkTreeView" id="data">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                            <property name="headers_clickable">True</property>
+                          </widget>
+                        </child>
+                      </widget>
+                    </child>
+                  </widget>
+                </child>
+                <child>
+                  <widget class="GtkLabel" id="label11">
+                    <property name="visible">True</property>
+                    <property name="events">GDK_POINTER_MOTION_MASK | 
GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | 
GDK_BUTTON_RELEASE_MASK</property>
+                    <property name="label" translatable="yes">&lt;b&gt;Data 
Preview&lt;/b&gt;</property>
+                    <property name="use_markup">True</property>
+                  </widget>
+                  <packing>
+                    <property name="type">label_item</property>
+                  </packing>
+                </child>
+              </widget>
+              <packing>
+                <property name="resize">True</property>
+                <property name="shrink">True</property>
+              </packing>
+            </child>
+          </widget>
+          <packing>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </widget>
+    </child>
+  </widget>
+</glade-interface>




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