psppire-output-window: Factor out output view as psppire-output-view.
[pspp] / src / ui / gui / psppire-output-window.c
index 9dd9191398ac9788d8b14f2a0108f759b1640e2f..074f90a88be77477ac9d9f8e095b058801464fad 100644 (file)
@@ -1,5 +1,5 @@
 /* PSPPIRE - a graphical user interface for PSPP.
-   Copyright (C) 2008, 2009, 2010  Free Software Foundation
+   Copyright (C) 2008, 2009, 2010, 2011, 2012, 2013, 2014  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
 
 #include <config.h>
 
-#include <gtk/gtksignal.h>
-#include <gtk/gtkbox.h>
-#include "helper.h"
+#include "ui/gui/psppire-output-window.h"
 
-#include <libpspp/cast.h>
-#include <libpspp/message.h>
-#include <libpspp/string-map.h>
-#include <output/cairo.h>
-#include <output/chart-item.h>
-#include <output/driver-provider.h>
-#include <output/output-item.h>
-#include <output/table-item.h>
-#include <output/text-item.h>
-#include <output/tab.h>
+#include <errno.h>
+#include <gtk/gtk.h>
 #include <stdlib.h>
-
-#include "help-menu.h"
-
-#include "psppire-output-window.h"
-
-
-#include "xalloc.h"
-
-#include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/types.h>
 #include <unistd.h>
 
+#include "libpspp/cast.h"
+#include "libpspp/message.h"
+#include "libpspp/string-map.h"
+#include "output/cairo.h"
+#include "output/chart-item.h"
+#include "output/driver-provider.h"
+#include "output/message-item.h"
+#include "output/output-item.h"
+#include "output/tab.h"
+#include "output/table-item.h"
+#include "output/text-item.h"
+#include "ui/gui/help-menu.h"
+#include "ui/gui/builder-wrapper.h"
+#include "ui/gui/psppire-output-view.h"
+
+#include "gl/xalloc.h"
+
+#include "helper.h"
+
 #include <gettext.h>
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 
-enum
-  {
-    COL_TITLE,                  /* Table title. */
-    COL_ADDR,                   /* Pointer to the table */
-    COL_Y,                      /* Y position of top of title. */
-    N_COLS
-  };
-
-static void psppire_output_window_base_finalize (PsppireOutputWindowClass *, gpointer);
-static void psppire_output_window_base_init     (PsppireOutputWindowClass *class);
 static void psppire_output_window_class_init    (PsppireOutputWindowClass *class);
 static void psppire_output_window_init          (PsppireOutputWindow      *window);
 
-
 GType
 psppire_output_window_get_type (void)
 {
@@ -71,8 +61,8 @@ psppire_output_window_get_type (void)
       static const GTypeInfo psppire_output_window_info =
       {
        sizeof (PsppireOutputWindowClass),
-       (GBaseInitFunc) psppire_output_window_base_init,
-        (GBaseFinalizeFunc) psppire_output_window_base_finalize,
+       (GBaseInitFunc) NULL,
+        (GBaseFinalizeFunc) NULL,
        (GClassInitFunc)psppire_output_window_class_init,
        (GClassFinalizeFunc) NULL,
        NULL,
@@ -102,16 +92,14 @@ psppire_output_window_finalize (GObject *object)
 static void
 psppire_output_window_dispose (GObject *obj)
 {
-  PsppireOutputWindow *viewer = PSPPIRE_OUTPUT_WINDOW (obj);
-  size_t i;
+  PsppireOutputWindow *window = PSPPIRE_OUTPUT_WINDOW (obj);
 
-  for (i = 0; i < viewer->n_items; i++)
-    output_item_unref (viewer->items[i]);
-  free (viewer->items);
-  viewer->items = NULL;
-  viewer->n_items = viewer->allocated_items = 0;
+  if (window->dispose_has_run) 
+    return;
 
-  g_object_unref (viewer->print_settings);
+  window->dispose_has_run = TRUE;
+  psppire_output_view_destroy (window->view);
+  window->view = NULL;
 
   /* Chain up to the parent class */
   G_OBJECT_CLASS (parent_class)->dispose (obj);
@@ -124,32 +112,16 @@ psppire_output_window_class_init (PsppireOutputWindowClass *class)
 
   parent_class = g_type_class_peek_parent (class);
   object_class->dispose = psppire_output_window_dispose;
-}
-
-
-static void
-psppire_output_window_base_init (PsppireOutputWindowClass *class)
-{
-  GObjectClass *object_class = G_OBJECT_CLASS (class);
-
+  
   object_class->finalize = psppire_output_window_finalize;
 }
-
-
-
-static void
-psppire_output_window_base_finalize (PsppireOutputWindowClass *class,
-                                    gpointer class_data)
-{
-}
 \f
 /* Output driver class. */
 
 struct psppire_output_driver
   {
     struct output_driver driver;
-    PsppireOutputWindow *viewer;
-    struct xr_driver *xr;
+    PsppireOutputWindow *window;
   };
 
 static struct output_driver_class psppire_output_class;
@@ -161,179 +133,24 @@ psppire_output_cast (struct output_driver *driver)
   return UP_CAST (driver, struct psppire_output_driver, driver);
 }
 
-static gboolean
-expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
-{
-  struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
-  cairo_t *cr;
-
-  cr = gdk_cairo_create (widget->window);
-  xr_rendering_draw (r, cr);
-  cairo_destroy (cr);
-
-  return TRUE;
-}
-
 static void
 psppire_output_submit (struct output_driver *this,
                        const struct output_item *item)
 {
   struct psppire_output_driver *pod = psppire_output_cast (this);
-  PsppireOutputWindow *viewer;
-  GtkWidget *drawing_area;
-  struct xr_rendering *r;
-  struct string title;
-  GtkTreeStore *store;
-  GtkTreePath *path;
-  GtkTreeIter iter;
-  cairo_t *cr;
-  int tw, th;
+  PsppireOutputWindow *window;
 
-  if (pod->viewer == NULL)
+  if (pod->window == NULL)
     {
-      pod->viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
-      gtk_widget_show_all (GTK_WIDGET (pod->viewer));
-      pod->viewer->driver = pod;
+      pod->window = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
+      gtk_widget_show_all (GTK_WIDGET (pod->window));
+      pod->window->driver = pod;
     }
-  viewer = pod->viewer;
+  window = pod->window;
 
-  if (viewer->n_items >= viewer->allocated_items)
-    viewer->items = x2nrealloc (viewer->items, &viewer->allocated_items,
-                                sizeof *viewer->items);
-  viewer->items[viewer->n_items++] = output_item_ref (item);
+  psppire_output_view_put (window->view, item);
 
-  if (is_text_item (item))
-    {
-      const struct text_item *text_item = to_text_item (item);
-      enum text_item_type type = text_item_get_type (text_item);
-      const char *text = text_item_get_text (text_item);
-
-      if (type == TEXT_ITEM_COMMAND_CLOSE)
-        {
-          viewer->in_command = false;
-          return;
-        }
-      else if (text[0] == '\0')
-        return;
-    }
-
-  cr = gdk_cairo_create (GTK_WIDGET (pod->viewer)->window);
-  if (pod->xr == NULL)
-    {
-      const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (viewer));
-      struct string_map options = STRING_MAP_INITIALIZER (options);
-      PangoFontDescription *font_desc;
-      char *font_name;
-
-      /* Use GTK+ default font as proportional font. */
-      font_name = pango_font_description_to_string (style->font_desc);
-      string_map_insert (&options, "prop-font", font_name);
-      g_free (font_name);
-
-      /* Derived emphasized font from proportional font. */
-      font_desc = pango_font_description_copy (style->font_desc);
-      pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
-      font_name = pango_font_description_to_string (font_desc);
-      string_map_insert (&options, "emph-font", font_name);
-      g_free (font_name);
-      pango_font_description_free (font_desc);
-
-      /* Pretend that the "page" has a reasonable width and a very big length,
-         so that most tables can be conveniently viewed on-screen with vertical
-         scrolling only.  (The length should not be increased very much because
-         it is already close enough to INT_MAX when expressed as thousands of a
-         point.) */
-      string_map_insert (&options, "paper-size", "300x200000mm");
-      string_map_insert (&options, "headers", "off");
-      string_map_insert (&options, "left-margin", "0");
-      string_map_insert (&options, "right-margin", "0");
-      string_map_insert (&options, "top-margin", "0");
-      string_map_insert (&options, "bottom-margin", "0");
-
-      pod->xr = xr_driver_create (cr, &options);
-
-      string_map_destroy (&options);
-    }
-
-  r = xr_rendering_create (pod->xr, item, cr);
-  if (r == NULL)
-    goto done;
-
-  xr_rendering_measure (r, &tw, &th);
-
-  drawing_area = gtk_drawing_area_new ();
-  gtk_widget_modify_bg (
-    GTK_WIDGET (drawing_area), GTK_STATE_NORMAL,
-    &gtk_widget_get_style (drawing_area)->base[GTK_STATE_NORMAL]);
-  g_object_set_data (G_OBJECT (drawing_area), "rendering", r);
-  gtk_widget_set_size_request (drawing_area, tw, th);
-  gtk_layout_put (pod->viewer->output, drawing_area, 0, pod->viewer->y);
-  gtk_widget_show (drawing_area);
-  g_signal_connect (G_OBJECT (drawing_area), "expose_event",
-                     G_CALLBACK (expose_event_callback), NULL);
-
-  if (!is_text_item (item)
-      || text_item_get_type (to_text_item (item)) != TEXT_ITEM_SYNTAX
-      || !viewer->in_command)
-    {
-      store = GTK_TREE_STORE (gtk_tree_view_get_model (viewer->overview));
-
-      ds_init_empty (&title);
-      if (is_text_item (item)
-          && text_item_get_type (to_text_item (item)) == TEXT_ITEM_COMMAND_OPEN)
-        {
-          gtk_tree_store_append (store, &iter, NULL);
-          viewer->cur_command = iter; /* XXX shouldn't save a GtkTreeIter */
-          viewer->in_command = true;
-        }
-      else
-        {
-          GtkTreeIter *p = viewer->in_command ? &viewer->cur_command : NULL;
-          gtk_tree_store_append (store, &iter, p);
-        }
-
-      ds_clear (&title);
-      if (is_text_item (item))
-        ds_put_cstr (&title, text_item_get_text (to_text_item (item)));
-      else if (is_table_item (item))
-        {
-          const char *caption = table_item_get_caption (to_table_item (item));
-          if (caption != NULL)
-            ds_put_format (&title, "Table: %s", caption);
-          else
-            ds_put_cstr (&title, "Table");
-        }
-      else if (is_chart_item (item))
-        {
-          const char *s = chart_item_get_title (to_chart_item (item));
-          if (s != NULL)
-            ds_put_format (&title, "Chart: %s", s);
-          else
-            ds_put_cstr (&title, "Chart");
-        }
-      gtk_tree_store_set (store, &iter,
-                          COL_TITLE, ds_cstr (&title),
-                         COL_ADDR, item, 
-                          COL_Y, viewer->y,
-                          -1);
-      ds_destroy (&title);
-
-      path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
-      gtk_tree_view_expand_row (viewer->overview, path, TRUE);
-      gtk_tree_path_free (path);
-    }
-
-  if (pod->viewer->max_width < tw)
-    pod->viewer->max_width = tw;
-  pod->viewer->y += th;
-
-  gtk_layout_set_size (pod->viewer->output,
-                       pod->viewer->max_width, pod->viewer->y);
-
-  gtk_window_set_urgency_hint (GTK_WINDOW (pod->viewer), TRUE);
-
-done:
-  cairo_destroy (cr);
+  gtk_window_set_urgency_hint (GTK_WINDOW (pod->window), TRUE);
 }
 
 static struct output_driver_class psppire_output_class =
@@ -356,9 +173,8 @@ psppire_output_window_setup (void)
                       SETTINGS_DEVICE_UNFILTERED);
   output_driver_register (d);
 }
+
 \f
-int viewer_length = 16;
-int viewer_width = 59;
 
 /* Callback for the "delete" action (clicking the x on the top right
    hand corner of the window) */
@@ -369,7 +185,7 @@ on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 
   gtk_widget_destroy (GTK_WIDGET (ow));
 
-  ow->driver->viewer = NULL;
+  ow->driver->window = NULL;
 
   return FALSE;
 }
@@ -382,444 +198,280 @@ cancel_urgency (GtkWindow *window,  gpointer data)
   gtk_window_set_urgency_hint (window, FALSE);
 }
 
-static void
-on_row_activate (GtkTreeView *overview,
-                 GtkTreePath *path,
-                 GtkTreeViewColumn *column,
-                 PsppireOutputWindow *window)
-{
-  GtkTreeModel *model;
-  GtkTreeIter iter;
-  GtkAdjustment *vadj;
-  GValue value = {0};
-  double y, min, max;
-
-  model = gtk_tree_view_get_model (overview);
-  if (!gtk_tree_model_get_iter (model, &iter, path))
-    return;
-
-  gtk_tree_model_get_value (model, &iter, COL_Y, &value);
-  y = g_value_get_long (&value);
-  g_value_unset (&value);
-
-  vadj = gtk_layout_get_vadjustment (window->output);
-  min = vadj->lower;
-  max = vadj->upper - vadj->page_size;
-  if (y < min)
-    y = min;
-  else if (y > max)
-    y = max;
-  gtk_adjustment_set_value (vadj, y);
-}
-
 static void psppire_output_window_print (PsppireOutputWindow *window);
 
 
-static GtkFileFilter *
-add_filter (GtkFileChooser *chooser, const char *name, const char *pattern)
-{
-  GtkFileFilter *filter = gtk_file_filter_new ();
-  g_object_ref_sink (G_OBJECT (filter));
-  gtk_file_filter_set_name (filter, name);
-  gtk_file_filter_add_pattern (filter, pattern);
-  gtk_file_chooser_add_filter (chooser, filter);
-  return filter;
-}
-
 static void
 export_output (PsppireOutputWindow *window, struct string_map *options,
                const char *format)
 {
-  struct output_driver *driver;
-  size_t i;
-
   string_map_insert (options, "format", format);
-  driver = output_driver_create (options);
-  if (driver == NULL)
-    return;
-
-  for (i = 0; i < window->n_items; i++)
-    driver->class->submit (driver, window->items[i]);
-  output_driver_destroy (driver);
+  psppire_output_view_export (window->view, options);
 }
 
-static void
-psppire_output_window_export (PsppireOutputWindow *window)
+
+struct file_types
 {
-  gint response;
+  const gchar *label;
+  const gchar *ext;
+};
 
-  GtkFileFilter *pdf_filter;
-  GtkFileFilter *html_filter;
-  GtkFileFilter *odt_filter;
-  GtkFileFilter *txt_filter;
-  GtkFileFilter *ps_filter;
-  GtkFileFilter *csv_filter;
-  GtkFileChooser *chooser;
-  GtkWidget *dialog;
+enum 
+  {
+    FT_AUTO = 0,
+    FT_PDF,
+    FT_HTML,
+    FT_ODT,
+    FT_TXT,
+    FT_PS,
+    FT_CSV,
+    n_FT
+  };
 
-  dialog = gtk_file_chooser_dialog_new (_("Export Output"),
-                                        GTK_WINDOW (window),
-                                        GTK_FILE_CHOOSER_ACTION_SAVE,
-                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
-                                        GTK_STOCK_SAVE,   GTK_RESPONSE_ACCEPT,
-                                        NULL);
-  chooser = GTK_FILE_CHOOSER (dialog);
+#define N_EXTENSIONS (n_FT - 1)
 
-  pdf_filter = add_filter (chooser, _("PDF Files (*.pdf)"), "*.pdf");
-  html_filter = add_filter (chooser, _("HTML Files (*.html)"), "*.html");
-  odt_filter = add_filter (chooser, _("OpenDocument Files (*.odt)"), "*.odt");
-  txt_filter = add_filter (chooser, _("Text Files (*.txt)"), "*.txt");
-  ps_filter = add_filter (chooser, _("PostScript Files (*.ps)"), "*.ps");
-  csv_filter = add_filter (chooser, _("Comma-Separated Value Files (*.csv)"),
-                           "*.csv");
+struct file_types ft[n_FT] = {
+  {N_("Infer file type from extension"),  NULL},
+  {N_("PDF (*.pdf)"),                     ".pdf"},
+  {N_("HTML (*.html)"),                   ".html"},
+  {N_("OpenDocument (*.odt)"),            ".odt"},
+  {N_("Text (*.txt)"),                    ".txt"},
+  {N_("PostScript (*.ps)"),               ".ps"},
+  {N_("Comma-Separated Values (*.csv)"),  ".csv"}
+};
 
-  gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);
-  gtk_file_chooser_set_filter (chooser, pdf_filter);
 
-  response = gtk_dialog_run (GTK_DIALOG (dialog));
+static void
+on_combo_change (GtkFileChooser *chooser)
+{
+  gboolean sensitive = FALSE;
+  GtkWidget *combo = gtk_file_chooser_get_extra_widget (chooser);
 
-  if ( response == GTK_RESPONSE_ACCEPT )
-    {
-      char *filename = gtk_file_chooser_get_filename (chooser);
-      GtkFileFilter *filter = gtk_file_chooser_get_filter (chooser);
-      struct string_map options;
+  int x = 0; 
+  gchar *fn = gtk_file_chooser_get_filename (chooser);
 
-      g_return_if_fail (filename);
-      g_return_if_fail (filter);
+  if (combo &&  gtk_widget_get_realized (combo))
+    x = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
 
-      string_map_init (&options);
-      string_map_insert (&options, "output-file", filename);
-      if (filter == pdf_filter)
-        {
-          export_output (window, &options, "pdf");
-        }
-      else if (filter == html_filter)
-        export_output (window, &options, "html");
-      else if (filter == odt_filter)
-        export_output (window, &options, "odt");
-      else if (filter == txt_filter)
-        {
-          string_map_insert (&options, "headers", "false");
-          string_map_insert (&options, "paginate", "false");
-          string_map_insert (&options, "squeeze", "true");
-          string_map_insert (&options, "emphasis", "none");
-          string_map_insert (&options, "charts", "none");
-          string_map_insert (&options, "top-margin", "0");
-          string_map_insert (&options, "bottom-margin", "0");
-          export_output (window, &options, "txt");
-        }
-      else if (filter == ps_filter)
-        export_output (window, &options, "ps");
-      else if (filter == csv_filter)
-        export_output (window, &options, "csv");
-      else
-        g_return_if_reached ();
+  if (fn == NULL)
+    {
+      sensitive = FALSE;
+    }
+  else
+    {
+      gint i;
+      if ( x != 0 )
+       sensitive = TRUE;
 
-      free (filename);
+      for (i = 1 ; i < N_EXTENSIONS ; ++i)
+       {
+         if ( g_str_has_suffix (fn, ft[i].ext))
+           {
+             sensitive = TRUE;
+             break;
+           }
+       }
     }
 
-  g_object_unref (G_OBJECT (pdf_filter));
-  g_object_unref (G_OBJECT (html_filter));
-  g_object_unref (G_OBJECT (txt_filter));
-  g_object_unref (G_OBJECT (ps_filter));
-  g_object_unref (G_OBJECT (csv_filter));
+  g_free (fn);
 
-  gtk_widget_destroy (dialog);
+  gtk_dialog_set_response_sensitive (GTK_DIALOG (chooser), GTK_RESPONSE_ACCEPT, sensitive);
 }
 
 
-enum {
-  SELECT_FMT_NULL,
-  SELECT_FMT_TEXT,
-  SELECT_FMT_UTF8,
-  SELECT_FMT_HTML,
-  SELECT_FMT_ODT
-};
-
-
 static void
-insert_glyph (struct string_map *map, const char *opt, gunichar glyph)
+on_file_chooser_change (GObject *w, GParamSpec *pspec, gpointer data)
 {
-  char s[6] = {0,0,0,0,0,0};
-
-  g_unichar_to_utf8 (glyph, s);
-  string_map_insert (map, opt, s);
-}
 
-struct glyph_pair
-{
-  gunichar glyph;
-  char opt[10];
-};
+  GtkFileChooser *chooser = data;
+  const gchar *name = g_param_spec_get_name (pspec);
 
-struct glyph_pair table[] = {
-  {0x250C, "box[1100]"},
-  {0x2518, "box[0011]"},
-  {0x2510, "box[0110]"},
-  {0x2514, "box[1001]"},
-  {0x2502, "box[0101]"},
-  {0x2500, "box[1010]"},
-  {0x2534, "box[1011]"},
-  {0x252C, "box[1110]"},
-  {0x2524, "box[0111]"},
-  {0x251C, "box[1101]"},
-  {0x253C, "box[1111]"},
-
-  {0x2501, "box[2020]"},
-  {0x2503, "box[0202]"},
-  {0x253F, "box[2121]"},
-  {0x2542, "box[1212]"},
-  {0x254B, "box[2222]"},
-  {0x2525, "box[0121]"},
-  {0x2530, "box[1210]"},
-  {0x2538, "box[1012]"},
-  {0x251D, "box[2101]"},
-  {0x2537, "box[2021]"},
-  {0x252F, "box[2120]"},
-
-  {0x250F, "box[2200]"},
-  {0x251B, "box[0022]"},
-  {0x2517, "box[2002]"},
-  {0x2513, "box[0220]"},
-
-  {0x2528, "box[0212]"},
-  {0x2520, "box[1202]"},
-  {0x2533, "box[2220]"},
-  {0x253B, "box[2022]"},
-  {0x2519, "box[0021]"},
-
-  {0x2578, "box[0020]"},
-  {0x257A, "box[2000]"},
-
-  {0x2523, "box[2202]"},
-  {0x252B, "box[0222]"},
-
-  {0x2515, "box[2001]"},
-};
+  if ( ! gtk_widget_get_realized (GTK_WIDGET (chooser)))
+    return;
 
+  /* Ignore this one.  It causes recursion. */
+  if ( 0 == strcmp ("tooltip-text", name))
+    return;
 
-static void
-utf8_box_chars (struct string_map *map)
-{
-  int i;
-  for (i = 0; i < sizeof (table) / sizeof (table[0]); ++i)
-    {
-      const struct glyph_pair *p = &table[i];
-      insert_glyph (map, p->opt, p->glyph);
-    }
+  on_combo_change (chooser);
 }
 
 
-
+/* Recursively descend all the children of W, connecting
+   to their "notify" signal */
 static void
-clipboard_get_cb (GtkClipboard     *clipboard,
-                 GtkSelectionData *selection_data,
-                 guint             info,
-                 gpointer          data)
+iterate_widgets (GtkWidget *w, gpointer data)
 {
-  PsppireOutputWindow *window = data;
-
-  gsize length;
-  gchar *text = NULL;
-  struct output_driver *driver = NULL;
-  char *filename = NULL;
-  struct string_map options;
-
-  GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
-  GtkTreeModel *model = gtk_tree_view_get_model (window->overview);
-
-  GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
-  GList *n = rows;
+  if ( GTK_IS_CONTAINER (w))
+    gtk_container_forall (GTK_CONTAINER (w), iterate_widgets, data);
+  else
+    g_signal_connect (w, "notify",  G_CALLBACK (on_file_chooser_change), data);
+}
 
-  if ( n == NULL)
-    return;
 
-  string_map_init (&options);
-  filename = tempnam (NULL, NULL);
-  string_map_insert (&options, "output-file", filename);
 
-  switch (info)
+static GtkListStore *
+create_file_type_list (void)
+{
+  int i;
+  GtkTreeIter iter;
+  GtkListStore *list = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
+  
+  for (i = 0 ; i < n_FT ; ++i)
     {
-    case SELECT_FMT_UTF8:
-      utf8_box_chars (&options);
-      /* fall-through */
-
-    case SELECT_FMT_TEXT:
-      string_map_insert (&options, "format", "txt");
-      break;
-
-    case SELECT_FMT_HTML:
-      string_map_insert (&options, "format", "html");
-      break;
-
-    case SELECT_FMT_ODT:
-      string_map_insert (&options, "format", "odt");
-      break;
-
-    default:
-      g_print ("unsupportted clip target\n");
-      goto finish;
-      break;
+      gtk_list_store_append (list, &iter);
+      gtk_list_store_set (list, &iter,
+                         0,  gettext (ft[i].label),
+                         1,  ft[i].ext,
+                         -1);
     }
+  
+  return list;
+}
 
-  driver = output_driver_create (&options);
-  if (driver == NULL)
-    goto finish;
-
-  while (n)
-    {
-      GtkTreePath *path = n->data ; 
-      GtkTreeIter iter;
-      struct output_item *item ;
-
-      gtk_tree_model_get_iter (model, &iter, path);
-      gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
+static void
+psppire_output_window_export (PsppireOutputWindow *window)
+{
+  gint response;
+  GtkWidget *combo;
+  GtkListStore *list;
 
-      driver->class->submit (driver, item);
+  GtkFileChooser *chooser;
+  
+  GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Export Output"),
+                                        GTK_WINDOW (window),
+                                        GTK_FILE_CHOOSER_ACTION_SAVE,
+                                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
+                                        GTK_STOCK_SAVE,   GTK_RESPONSE_ACCEPT,
+                                        NULL);
 
-      n = n->next;
-    }
+  g_object_set (dialog, "local-only", FALSE, NULL);
 
-  if ( driver->class->flush)
-    driver->class->flush (driver);
+  chooser = GTK_FILE_CHOOSER (dialog);
 
+  list = create_file_type_list ();
 
-  /* Some drivers (eg: the odt one) don't write anything until they
-     are closed */
-  output_driver_destroy (driver);
-  driver = NULL;
+  combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (list));
 
-  if ( g_file_get_contents (filename, &text, &length, NULL) )
-    {
-      gtk_selection_data_set (selection_data, selection_data->target,
-                             8,
-                             (const guchar *) text, length);
-    }
 
- finish:
+  {
+    /* Create text cell renderer */
+    GtkCellRenderer *cell = gtk_cell_renderer_text_new();
+    gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, FALSE );
 
-  if (driver != NULL)
-    output_driver_destroy (driver);
+    gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,  "text", 0);
+  }
 
-  g_free (text);
+  g_signal_connect_swapped (combo, "changed", G_CALLBACK (on_combo_change), chooser);
 
-  unlink (filename);
-  free (filename);
+  gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
 
-  g_list_free (rows);
-}
+  gtk_file_chooser_set_extra_widget (chooser, combo);
 
-static void
-clipboard_clear_cb (GtkClipboard *clipboard,
-                   gpointer data)
-{
-}
+  /* This kludge is necessary because there is no signal to tell us
+     when the candidate filename of a GtkFileChooser has changed */
+  gtk_container_forall (GTK_CONTAINER (dialog), iterate_widgets, dialog);
 
-static const GtkTargetEntry targets[] = {
 
-  { "STRING",        0, SELECT_FMT_TEXT },
-  { "TEXT",          0, SELECT_FMT_TEXT },
-  { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
-  { "text/plain",    0, SELECT_FMT_TEXT },
+  gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);
 
-  { "UTF8_STRING",   0, SELECT_FMT_UTF8 },
-  { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
+  response = gtk_dialog_run (GTK_DIALOG (dialog));
 
-  { "text/html",     0, SELECT_FMT_HTML },
+  if ( response == GTK_RESPONSE_ACCEPT )
+    {
+      gint file_type = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
+      gchar *filename = gtk_file_chooser_get_filename (chooser);
+      struct string_map options;
 
-  { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
-};
+      g_return_if_fail (filename);
 
-static void
-on_copy (PsppireOutputWindow *window)
-{
-  {
-    GtkClipboard *clipboard =
-      gtk_widget_get_clipboard (GTK_WIDGET (window),
-                               GDK_SELECTION_CLIPBOARD);
+      if (file_type == FT_AUTO)
+       {
+          /* If the "Infer file type from extension" option was chosen,
+             search for the respective type in the list.
+             (It's a O(n) search, but fortunately n is small). */
+         gint i;
+         for (i = 1 ; i < N_EXTENSIONS ; ++i)
+           {
+             if ( g_str_has_suffix (filename, ft[i].ext))
+               {
+                 file_type = i;
+                 break;
+               }
+           }
+       }
+      else if (! g_str_has_suffix (filename, ft[file_type].ext))
+        {
+          /* If an explicit document format was chosen, and if the chosen
+             filename does not already have that particular "extension",
+             then append it.
+           */
+
+          gchar *of = filename;
+          filename = g_strconcat (filename, ft[file_type].ext, NULL);
+          g_free (of);
+        }
+      
+      string_map_init (&options);
+      string_map_insert (&options, "output-file", filename);
 
-    if (!gtk_clipboard_set_with_data (clipboard, targets,
-                                      G_N_ELEMENTS (targets),
-                                      clipboard_get_cb, clipboard_clear_cb,
-                                     window))
+      switch (file_type)
+       {
+       case FT_PDF:
+          export_output (window, &options, "pdf");
+         break;
+       case FT_HTML:
+          export_output (window, &options, "html");
+         break;
+       case FT_ODT:
+          export_output (window, &options, "odt");
+         break;
+       case FT_PS:
+          export_output (window, &options, "ps");
+         break;
+       case FT_CSV:
+          export_output (window, &options, "csv");
+         break;
+
+       case FT_TXT:
+          string_map_insert (&options, "headers", "false");
+          string_map_insert (&options, "paginate", "false");
+          string_map_insert (&options, "squeeze", "true");
+          string_map_insert (&options, "emphasis", "none");
+          string_map_insert (&options, "charts", "none");
+          string_map_insert (&options, "top-margin", "0");
+          string_map_insert (&options, "bottom-margin", "0");
+          export_output (window, &options, "txt");
+         break;
+       default:
+         g_assert_not_reached ();
+       }
 
-      clipboard_clear_cb (clipboard, window);
-  }
-}
+      string_map_destroy (&options);
 
-static void
-on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
-{
-  /* The Copy action is available only if there is something selected */
-  gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
-}
+      free (filename);
+    }
 
-static void
-on_select_all (PsppireOutputWindow *window)
-{
-  GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
-  gtk_tree_view_expand_all (window->overview);
-  gtk_tree_selection_select_all (sel);
+  gtk_widget_destroy (dialog);
 }
 
-
 static void
 psppire_output_window_init (PsppireOutputWindow *window)
 {
-  GtkTreeViewColumn *column;
-  GtkCellRenderer *renderer;
   GtkBuilder *xml;
-  GtkAction *copy_action;
-  GtkAction *select_all_action;
-  GtkTreeSelection *sel;
-
-  xml = builder_new ("output-viewer.ui");
 
-  copy_action = get_action_assert (xml, "edit_copy");
-  select_all_action = get_action_assert (xml, "edit_select-all");
-
-  gtk_action_set_sensitive (copy_action, FALSE);
-
-  g_signal_connect_swapped (copy_action, "activate", G_CALLBACK (on_copy), window);
-
-  g_signal_connect_swapped (select_all_action, "activate", G_CALLBACK (on_select_all), window);
+  xml = builder_new ("output-window.ui");
 
   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 
-  window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
-  window->y = 0;
-
-  window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
+  window->dispose_has_run = FALSE;
 
-  sel = gtk_tree_view_get_selection (window->overview);
+  window->view = psppire_output_view_new (
+    GTK_LAYOUT (get_widget_assert (xml, "output")),
+    GTK_TREE_VIEW (get_widget_assert (xml, "overview")),
+    get_action_assert (xml, "edit_copy"),
+    get_action_assert (xml, "edit_select-all"));
 
-  gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
-
-  g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change), copy_action);
-
-  gtk_tree_view_set_model (window->overview,
-                           GTK_TREE_MODEL (gtk_tree_store_new (
-                                             N_COLS,
-                                             G_TYPE_STRING,  /* COL_TITLE */
-                                            G_TYPE_POINTER, /* COL_ADDR */
-                                             G_TYPE_LONG))); /* COL_Y */
-
-  window->in_command = false;
-
-  window->items = NULL;
-  window->n_items = window->allocated_items = 0;
-
-  column = gtk_tree_view_column_new ();
-  gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
-  renderer = gtk_cell_renderer_text_new ();
-  gtk_tree_view_column_pack_start (column, renderer, TRUE);
-  gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
-
-  g_signal_connect (GTK_TREE_VIEW (window->overview),
-                    "row-activated", G_CALLBACK (on_row_activate), window);
-
-  gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
-                        &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 
   connect_help (xml);
 
@@ -859,135 +511,14 @@ GtkWidget*
 psppire_output_window_new (void)
 {
   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
-                                  "filename", "Output",
+                                  /* TRANSLATORS: This will form a filename.  Please avoid whitespace. */
+                                  "filename", _("Output"),
                                   "description", _("Output Viewer"),
                                   NULL));
 }
 
-
-\f
-static void
-create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
-{
-  struct string_map options;
-  GtkPageSetup *page_setup;
-  double width, height;
-  double left_margin;
-  double right_margin;
-  double top_margin;
-  double bottom_margin;
-
-  page_setup = gtk_print_context_get_page_setup (context);
-  width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
-  height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
-  left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
-  right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
-  top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
-  bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
-
-  string_map_init (&options);
-  string_map_insert_nocopy (&options, xstrdup ("paper-size"),
-                            xasprintf("%.2fx%.2fmm", width, height));
-  string_map_insert_nocopy (&options, xstrdup ("left-margin"),
-                            xasprintf ("%.2fmm", left_margin));
-  string_map_insert_nocopy (&options, xstrdup ("right-margin"),
-                            xasprintf ("%.2fmm", right_margin));
-  string_map_insert_nocopy (&options, xstrdup ("top-margin"),
-                            xasprintf ("%.2fmm", top_margin));
-  string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
-                            xasprintf ("%.2fmm", bottom_margin));
-
-  window->print_xrd =
-    xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
-
-  string_map_destroy (&options);
-}
-
-static gboolean
-paginate (GtkPrintOperation *operation,
-         GtkPrintContext   *context,
-         PsppireOutputWindow *window)
-{
-  if ( window->print_item < window->n_items )
-    {
-      xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
-      if (xr_driver_need_new_page (window->print_xrd))
-       {
-         xr_driver_next_page (window->print_xrd, NULL);
-         window->print_n_pages ++;
-       }
-      return FALSE;
-    }
-  else
-    {
-      gtk_print_operation_set_n_pages (operation, window->print_n_pages);
-      window->print_item = 0;
-      create_xr_print_driver (context, window);
-      return TRUE;
-    }
-}
-
-static void
-begin_print (GtkPrintOperation *operation,
-            GtkPrintContext   *context,
-            PsppireOutputWindow *window)
-{
-  create_xr_print_driver (context, window);
-
-  window->print_item = 0;
-  window->print_n_pages = 1;
-}
-
-static void
-end_print (GtkPrintOperation *operation,
-          GtkPrintContext   *context,
-          PsppireOutputWindow *window)
-{
-  xr_driver_destroy (window->print_xrd);
-}
-
-
-static void
-draw_page (GtkPrintOperation *operation,
-          GtkPrintContext   *context,
-          gint               page_number,
-          PsppireOutputWindow *window)
-{
-  xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
-  while ( window->print_item < window->n_items)
-    {
-      xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
-      if ( xr_driver_need_new_page (window->print_xrd) )
-         break;          
-    }
-}
-
-
 static void
 psppire_output_window_print (PsppireOutputWindow *window)
 {
-  GtkPrintOperationResult res;
-
-  GtkPrintOperation *print = gtk_print_operation_new ();
-
-  if (window->print_settings != NULL) 
-    gtk_print_operation_set_print_settings (print, window->print_settings);
-
-  g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
-  g_signal_connect (print, "end_print", G_CALLBACK (end_print),     window);
-  g_signal_connect (print, "paginate", G_CALLBACK (paginate),       window);
-  g_signal_connect (print, "draw_page", G_CALLBACK (draw_page),     window);
-
-  res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
-                                 GTK_WINDOW (window), NULL);
-
-  if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
-    {
-      if (window->print_settings != NULL)
-        g_object_unref (window->print_settings);
-      window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
-      
-    }
-
-  g_object_unref (print);
+  psppire_output_view_print (window->view, GTK_WINDOW (window));
 }