src/ui/gui/psppire-output-window.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2008, 2009, 2010, 2011  Free Software Foundation
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <http://www.gnu.org/licenses/>. */
  16
  17 #include <config.h>
  18
  19 #include <errno.h>
  20 #include <gtk/gtk.h>
  21 #include <stdlib.h>
  22 #include <sys/stat.h>
  23 #include <sys/types.h>
  24 #include <unistd.h>
  25
  26 #include "libpspp/cast.h"
  27 #include "libpspp/message.h"
  28 #include "libpspp/string-map.h"
  29 #include "output/cairo.h"
  30 #include "output/chart-item.h"
  31 #include "output/driver-provider.h"
  32 #include "output/message-item.h"
  33 #include "output/output-item.h"
  34 #include "output/tab.h"
  35 #include "output/table-item.h"
  36 #include "output/text-item.h"
  37 #include "ui/gui/help-menu.h"
  38 #include "ui/gui/helper.h"
  39 #include "ui/gui/psppire-output-window.h"
  40
  41 #include "gl/error.h"
  42 #include "gl/tmpdir.h"
  43 #include "gl/xalloc.h"
  44
  45 #include <gettext.h>
  46 #define _(msgid) gettext (msgid)
  47 #define N_(msgid) msgid
  48
  49 enum
  50   {
  51     COL_TITLE,                  /* Table title. */
  52     COL_ADDR,                   /* Pointer to the table */
  53     COL_Y,                      /* Y position of top of title. */
  54     N_COLS
  55   };
  56
  57 static void psppire_output_window_base_finalize (PsppireOutputWindowClass *, gpointer);
  58 static void psppire_output_window_base_init     (PsppireOutputWindowClass *class);
  59 static void psppire_output_window_class_init    (PsppireOutputWindowClass *class);
  60 static void psppire_output_window_init          (PsppireOutputWindow      *window);
  61
  62
  63 GType
  64 psppire_output_window_get_type (void)
  65 {
  66   static GType psppire_output_window_type = 0;
  67
  68   if (!psppire_output_window_type)
  69     {
  70       static const GTypeInfo psppire_output_window_info =
  71       {
  72         sizeof (PsppireOutputWindowClass),
  73         (GBaseInitFunc) psppire_output_window_base_init,
  74         (GBaseFinalizeFunc) psppire_output_window_base_finalize,
  75         (GClassInitFunc)psppire_output_window_class_init,
  76         (GClassFinalizeFunc) NULL,
  77         NULL,
  78         sizeof (PsppireOutputWindow),
  79         0,
  80         (GInstanceInitFunc) psppire_output_window_init,
  81       };
  82
  83       psppire_output_window_type =
  84         g_type_register_static (PSPPIRE_TYPE_WINDOW, "PsppireOutputWindow",
  85                                 &psppire_output_window_info, 0);
  86     }
  87
  88   return psppire_output_window_type;
  89 }
  90
  91 static GObjectClass *parent_class;
  92
  93 static void
  94 psppire_output_window_finalize (GObject *object)
  95 {
  96   if (G_OBJECT_CLASS (parent_class)->finalize)
  97     (*G_OBJECT_CLASS (parent_class)->finalize) (object);
  98 }
  99
 100
 101 static void
 102 psppire_output_window_dispose (GObject *obj)
 103 {
 104   PsppireOutputWindow *viewer = PSPPIRE_OUTPUT_WINDOW (obj);
 105   size_t i;
 106
 107   for (i = 0; i < viewer->n_items; i++)
 108     output_item_unref (viewer->items[i]);
 109   free (viewer->items);
 110   viewer->items = NULL;
 111   viewer->n_items = viewer->allocated_items = 0;
 112
 113   if (viewer->print_settings != NULL)
 114     g_object_unref (viewer->print_settings);
 115
 116   /* Chain up to the parent class */
 117   G_OBJECT_CLASS (parent_class)->dispose (obj);
 118 }
 119
 120 static void
 121 psppire_output_window_class_init (PsppireOutputWindowClass *class)
 122 {
 123   GObjectClass *object_class = G_OBJECT_CLASS (class);
 124
 125   parent_class = g_type_class_peek_parent (class);
 126   object_class->dispose = psppire_output_window_dispose;
 127 }
 128
 129
 130 static void
 131 psppire_output_window_base_init (PsppireOutputWindowClass *class)
 132 {
 133   GObjectClass *object_class = G_OBJECT_CLASS (class);
 134
 135   object_class->finalize = psppire_output_window_finalize;
 136 }
 137
 138
 139
 140 static void
 141 psppire_output_window_base_finalize (PsppireOutputWindowClass *class,
 142                                      gpointer class_data)
 143 {
 144 }
 145 \f
 146 /* Output driver class. */
 147
 148 struct psppire_output_driver
 149   {
 150     struct output_driver driver;
 151     PsppireOutputWindow *viewer;
 152     struct xr_driver *xr;
 153     int font_height;
 154   };
 155
 156 static struct output_driver_class psppire_output_class;
 157
 158 static struct psppire_output_driver *
 159 psppire_output_cast (struct output_driver *driver)
 160 {
 161   assert (driver->class == &psppire_output_class);
 162   return UP_CAST (driver, struct psppire_output_driver, driver);
 163 }
 164
 165 static gboolean
 166 expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
 167 {
 168   struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
 169   cairo_t *cr;
 170
 171   cr = gdk_cairo_create (widget->window);
 172   xr_rendering_draw (r, cr, event->area.x, event->area.y,
 173                      event->area.width, event->area.height);
 174   cairo_destroy (cr);
 175
 176   return TRUE;
 177 }
 178
 179 static void
 180 psppire_output_submit (struct output_driver *this,
 181                        const struct output_item *item)
 182 {
 183   struct psppire_output_driver *pod = psppire_output_cast (this);
 184   PsppireOutputWindow *viewer;
 185   GtkWidget *drawing_area;
 186   struct xr_rendering *r;
 187   struct string title;
 188   GtkTreeStore *store;
 189   GtkTreePath *path;
 190   GtkTreeIter iter;
 191   cairo_t *cr;
 192   int tw, th;
 193
 194   if (pod->viewer == NULL)
 195     {
 196       pod->viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
 197       gtk_widget_show_all (GTK_WIDGET (pod->viewer));
 198       pod->viewer->driver = pod;
 199     }
 200   viewer = pod->viewer;
 201
 202   if (viewer->n_items >= viewer->allocated_items)
 203     viewer->items = x2nrealloc (viewer->items, &viewer->allocated_items,
 204                                 sizeof *viewer->items);
 205   viewer->items[viewer->n_items++] = output_item_ref (item);
 206
 207   if (is_text_item (item))
 208     {
 209       const struct text_item *text_item = to_text_item (item);
 210       enum text_item_type type = text_item_get_type (text_item);
 211       const char *text = text_item_get_text (text_item);
 212
 213       if (type == TEXT_ITEM_COMMAND_CLOSE)
 214         {
 215           viewer->in_command = false;
 216           return;
 217         }
 218       else if (text[0] == '\0')
 219         return;
 220     }
 221
 222   cr = gdk_cairo_create (GTK_WIDGET (pod->viewer)->window);
 223   if (pod->xr == NULL)
 224     {
 225       const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (viewer));
 226       struct string_map options = STRING_MAP_INITIALIZER (options);
 227       struct text_item *text_item;
 228       PangoFontDescription *font_desc;
 229       char *font_name;
 230       int font_width;
 231
 232       /* Use GTK+ default font as proportional font. */
 233       font_name = pango_font_description_to_string (style->font_desc);
 234       string_map_insert (&options, "prop-font", font_name);
 235       g_free (font_name);
 236
 237       /* Derived emphasized font from proportional font. */
 238       font_desc = pango_font_description_copy (style->font_desc);
 239       pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
 240       font_name = pango_font_description_to_string (font_desc);
 241       string_map_insert (&options, "emph-font", font_name);
 242       g_free (font_name);
 243       pango_font_description_free (font_desc);
 244
 245       /* Pretend that the "page" has a reasonable width and a very big length,
 246          so that most tables can be conveniently viewed on-screen with vertical
 247          scrolling only.  (The length should not be increased very much because
 248          it is already close enough to INT_MAX when expressed as thousands of a
 249          point.) */
 250       string_map_insert (&options, "paper-size", "300x200000mm");
 251       string_map_insert (&options, "left-margin", "0");
 252       string_map_insert (&options, "right-margin", "0");
 253       string_map_insert (&options, "top-margin", "0");
 254       string_map_insert (&options, "bottom-margin", "0");
 255
 256       pod->xr = xr_driver_create (cr, &options);
 257
 258       string_map_destroy (&options);
 259
 260       text_item = text_item_create (TEXT_ITEM_PARAGRAPH, "X");
 261       r = xr_rendering_create (pod->xr, text_item_super (text_item), cr);
 262       xr_rendering_measure (r, &font_width, &pod->font_height);
 263       /* xr_rendering_destroy (r); */
 264       text_item_unref (text_item);
 265     }
 266   else
 267     pod->viewer->y += pod->font_height / 2;
 268
 269   r = xr_rendering_create (pod->xr, item, cr);
 270   if (r == NULL)
 271     goto done;
 272
 273   xr_rendering_measure (r, &tw, &th);
 274
 275   drawing_area = gtk_drawing_area_new ();
 276   gtk_widget_modify_bg (
 277     GTK_WIDGET (drawing_area), GTK_STATE_NORMAL,
 278     &gtk_widget_get_style (drawing_area)->base[GTK_STATE_NORMAL]);
 279   g_object_set_data (G_OBJECT (drawing_area), "rendering", r);
 280   gtk_widget_set_size_request (drawing_area, tw, th);
 281   gtk_layout_put (pod->viewer->output, drawing_area, 0, pod->viewer->y);
 282   gtk_widget_show (drawing_area);
 283   g_signal_connect (G_OBJECT (drawing_area), "expose_event",
 284                      G_CALLBACK (expose_event_callback), NULL);
 285
 286   if (!is_text_item (item)
 287       || text_item_get_type (to_text_item (item)) != TEXT_ITEM_SYNTAX
 288       || !viewer->in_command)
 289     {
 290       store = GTK_TREE_STORE (gtk_tree_view_get_model (viewer->overview));
 291
 292       ds_init_empty (&title);
 293       if (is_text_item (item)
 294           && text_item_get_type (to_text_item (item)) == TEXT_ITEM_COMMAND_OPEN)
 295         {
 296           gtk_tree_store_append (store, &iter, NULL);
 297           viewer->cur_command = iter; /* XXX shouldn't save a GtkTreeIter */
 298           viewer->in_command = true;
 299         }
 300       else
 301         {
 302           GtkTreeIter *p = viewer->in_command ? &viewer->cur_command : NULL;
 303           gtk_tree_store_append (store, &iter, p);
 304         }
 305
 306       ds_clear (&title);
 307       if (is_text_item (item))
 308         ds_put_cstr (&title, text_item_get_text (to_text_item (item)));
 309       else if (is_message_item (item))
 310         {
 311           const struct message_item *msg_item = to_message_item (item);
 312           const struct msg *msg = message_item_get_msg (msg_item);
 313           ds_put_format (&title, "%s: %s", _("Message"),
 314                          msg_severity_to_string (msg->severity));
 315         }
 316       else if (is_table_item (item))
 317         {
 318           const char *caption = table_item_get_caption (to_table_item (item));
 319           if (caption != NULL)
 320             ds_put_format (&title, "Table: %s", caption);
 321           else
 322             ds_put_cstr (&title, "Table");
 323         }
 324       else if (is_chart_item (item))
 325         {
 326           const char *s = chart_item_get_title (to_chart_item (item));
 327           if (s != NULL)
 328             ds_put_format (&title, "Chart: %s", s);
 329           else
 330             ds_put_cstr (&title, "Chart");
 331         }
 332       gtk_tree_store_set (store, &iter,
 333                           COL_TITLE, ds_cstr (&title),
 334                           COL_ADDR, item,
 335                           COL_Y, viewer->y,
 336                           -1);
 337       ds_destroy (&title);
 338
 339       path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
 340       gtk_tree_view_expand_row (viewer->overview, path, TRUE);
 341       gtk_tree_path_free (path);
 342     }
 343
 344   if (pod->viewer->max_width < tw)
 345     pod->viewer->max_width = tw;
 346   pod->viewer->y += th;
 347
 348   gtk_layout_set_size (pod->viewer->output,
 349                        pod->viewer->max_width, pod->viewer->y);
 350
 351   gtk_window_set_urgency_hint (GTK_WINDOW (pod->viewer), TRUE);
 352
 353 done:
 354   cairo_destroy (cr);
 355 }
 356
 357 static struct output_driver_class psppire_output_class =
 358   {
 359     "PSPPIRE",                  /* name */
 360     NULL,                       /* destroy */
 361     psppire_output_submit,      /* submit */
 362     NULL,                       /* flush */
 363   };
 364
 365 void
 366 psppire_output_window_setup (void)
 367 {
 368   struct psppire_output_driver *pod;
 369   struct output_driver *d;
 370
 371   pod = xzalloc (sizeof *pod);
 372   d = &pod->driver;
 373   output_driver_init (d, &psppire_output_class, "PSPPIRE",
 374                       SETTINGS_DEVICE_UNFILTERED);
 375   output_driver_register (d);
 376 }
 377 \f
 378 int viewer_length = 16;
 379 int viewer_width = 59;
 380
 381 /* Callback for the "delete" action (clicking the x on the top right
 382    hand corner of the window) */
 383 static gboolean
 384 on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 385 {
 386   PsppireOutputWindow *ow = PSPPIRE_OUTPUT_WINDOW (user_data);
 387
 388   gtk_widget_destroy (GTK_WIDGET (ow));
 389
 390   ow->driver->viewer = NULL;
 391
 392   return FALSE;
 393 }
 394
 395
 396
 397 static void
 398 cancel_urgency (GtkWindow *window,  gpointer data)
 399 {
 400   gtk_window_set_urgency_hint (window, FALSE);
 401 }
 402
 403 static void
 404 on_row_activate (GtkTreeView *overview,
 405                  GtkTreePath *path,
 406                  GtkTreeViewColumn *column,
 407                  PsppireOutputWindow *window)
 408 {
 409   GtkTreeModel *model;
 410   GtkTreeIter iter;
 411   GtkAdjustment *vadj;
 412   GValue value = {0};
 413   double y, min, max;
 414
 415   model = gtk_tree_view_get_model (overview);
 416   if (!gtk_tree_model_get_iter (model, &iter, path))
 417     return;
 418
 419   gtk_tree_model_get_value (model, &iter, COL_Y, &value);
 420   y = g_value_get_long (&value);
 421   g_value_unset (&value);
 422
 423   vadj = gtk_layout_get_vadjustment (window->output);
 424   min = vadj->lower;
 425   max = vadj->upper - vadj->page_size;
 426   if (y < min)
 427     y = min;
 428   else if (y > max)
 429     y = max;
 430   gtk_adjustment_set_value (vadj, y);
 431 }
 432
 433 static void psppire_output_window_print (PsppireOutputWindow *window);
 434
 435
 436 static void
 437 export_output (PsppireOutputWindow *window, struct string_map *options,
 438                const char *format)
 439 {
 440   struct output_driver *driver;
 441   size_t i;
 442
 443   string_map_insert (options, "format", format);
 444   driver = output_driver_create (options);
 445   if (driver == NULL)
 446     return;
 447
 448   for (i = 0; i < window->n_items; i++)
 449     driver->class->submit (driver, window->items[i]);
 450   output_driver_destroy (driver);
 451 }
 452
 453
 454 struct file_types
 455 {
 456   const gchar *label;
 457   const gchar *ext;
 458 };
 459
 460 enum
 461   {
 462     FT_AUTO = 0,
 463     FT_PDF,
 464     FT_HTML,
 465     FT_ODT,
 466     FT_TXT,
 467     FT_PS,
 468     FT_CSV,
 469     n_FT
 470   };
 471
 472 #define N_EXTENSIONS (n_FT - 1)
 473
 474 struct file_types ft[n_FT] = {
 475   {N_("Infer file type from extension"),  NULL},
 476   {N_("PDF (*.pdf)"),                     ".pdf"},
 477   {N_("HTML (*.html)"),                   ".html"},
 478   {N_("OpenDocument (*.odt)"),            ".odt"},
 479   {N_("Text (*.txt)"),                    ".txt"},
 480   {N_("PostScript (*.ps)"),               ".ps"},
 481   {N_("Comma-Separated Values (*.csv)"),  ".csv"}
 482 };
 483
 484
 485 static void
 486 on_combo_change (GtkFileChooser *chooser)
 487 {
 488   gboolean sensitive = FALSE;
 489   GtkWidget *combo = gtk_file_chooser_get_extra_widget (chooser);
 490
 491   int x = 0;
 492   gchar *fn = gtk_file_chooser_get_filename (chooser);
 493
 494   if (combo &&  gtk_widget_get_realized (combo))
 495     x = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
 496
 497   if (fn == NULL)
 498     {
 499       sensitive = FALSE;
 500     }
 501   else
 502     {
 503       gint i;
 504       if ( x != 0 )
 505         sensitive = TRUE;
 506
 507       for (i = 1 ; i < N_EXTENSIONS ; ++i)
 508         {
 509           if ( g_str_has_suffix (fn, ft[i].ext))
 510             {
 511               sensitive = TRUE;
 512               break;
 513             }
 514         }
 515     }
 516
 517   g_free (fn);
 518
 519   gtk_dialog_set_response_sensitive (GTK_DIALOG (chooser), GTK_RESPONSE_ACCEPT, sensitive);
 520 }
 521
 522
 523 static void
 524 on_file_chooser_change (GObject *w, GParamSpec *pspec, gpointer data)
 525 {
 526
 527   GtkFileChooser *chooser = data;
 528   const gchar *name = g_param_spec_get_name (pspec);
 529
 530   if ( ! gtk_widget_get_realized (GTK_WIDGET (chooser)))
 531     return;
 532
 533   /* Ignore this one.  It causes recursion. */
 534   if ( 0 == strcmp ("tooltip-text", name))
 535     return;
 536
 537   on_combo_change (chooser);
 538 }
 539
 540
 541 /* Recursively descend all the children of W, connecting
 542    to their "notify" signal */
 543 static void
 544 iterate_widgets (GtkWidget *w, gpointer data)
 545 {
 546   if ( GTK_IS_CONTAINER (w))
 547     gtk_container_forall (GTK_CONTAINER (w), iterate_widgets, data);
 548   else
 549     g_signal_connect (w, "notify",  G_CALLBACK (on_file_chooser_change), data);
 550 }
 551
 552
 553
 554 static GtkListStore *
 555 create_file_type_list (void)
 556 {
 557   int i;
 558   GtkTreeIter iter;
 559   GtkListStore *list = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 560
 561   for (i = 0 ; i < n_FT ; ++i)
 562     {
 563       gtk_list_store_append (list, &iter);
 564       gtk_list_store_set (list, &iter,
 565                           0,  gettext (ft[i].label),
 566                           1,  ft[i].ext,
 567                           -1);
 568     }
 569
 570   return list;
 571 }
 572
 573 static void
 574 psppire_output_window_export (PsppireOutputWindow *window)
 575 {
 576   gint response;
 577   GtkWidget *combo;
 578   GtkListStore *list;
 579
 580   GtkFileChooser *chooser;
 581
 582   GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Export Output"),
 583                                         GTK_WINDOW (window),
 584                                         GTK_FILE_CHOOSER_ACTION_SAVE,
 585                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 586                                         GTK_STOCK_SAVE,   GTK_RESPONSE_ACCEPT,
 587                                         NULL);
 588
 589   g_object_set (dialog, "local-only", FALSE, NULL);
 590
 591   chooser = GTK_FILE_CHOOSER (dialog);
 592
 593   list = create_file_type_list ();
 594
 595   combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (list));
 596
 597
 598   {
 599     /* Create text cell renderer */
 600     GtkCellRenderer *cell = gtk_cell_renderer_text_new();
 601     gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, FALSE );
 602
 603     gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,  "text", 0);
 604   }
 605
 606   g_signal_connect_swapped (combo, "changed", G_CALLBACK (on_combo_change), chooser);
 607
 608   gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
 609
 610   gtk_file_chooser_set_extra_widget (chooser, combo);
 611
 612   /* This kludge is necessary because there is no signal to tell us
 613      when the candidate filename of a GtkFileChooser has changed */
 614   gtk_container_forall (GTK_CONTAINER (dialog), iterate_widgets, dialog);
 615
 616
 617   gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);
 618
 619   response = gtk_dialog_run (GTK_DIALOG (dialog));
 620
 621   if ( response == GTK_RESPONSE_ACCEPT )
 622     {
 623       int file_type = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
 624       char *filename = gtk_file_chooser_get_filename (chooser);
 625       struct string_map options;
 626
 627       g_return_if_fail (filename);
 628
 629       if (file_type == FT_AUTO)
 630         {
 631           gint i;
 632           for (i = 1 ; i < N_EXTENSIONS ; ++i)
 633             {
 634               if ( g_str_has_suffix (filename, ft[i].ext))
 635                 {
 636                   file_type = i;
 637                   break;
 638                 }
 639             }
 640         }
 641
 642
 643       string_map_init (&options);
 644       string_map_insert (&options, "output-file", filename);
 645
 646       switch (file_type)
 647         {
 648         case FT_PDF:
 649           export_output (window, &options, "pdf");
 650           break;
 651         case FT_HTML:
 652           export_output (window, &options, "html");
 653           break;
 654         case FT_ODT:
 655           export_output (window, &options, "odt");
 656           break;
 657         case FT_PS:
 658           export_output (window, &options, "ps");
 659           break;
 660         case FT_CSV:
 661           export_output (window, &options, "csv");
 662           break;
 663
 664         case FT_TXT:
 665           string_map_insert (&options, "headers", "false");
 666           string_map_insert (&options, "paginate", "false");
 667           string_map_insert (&options, "squeeze", "true");
 668           string_map_insert (&options, "emphasis", "none");
 669           string_map_insert (&options, "charts", "none");
 670           string_map_insert (&options, "top-margin", "0");
 671           string_map_insert (&options, "bottom-margin", "0");
 672           export_output (window, &options, "txt");
 673           break;
 674         default:
 675           g_assert_not_reached ();
 676         }
 677
 678       string_map_destroy (&options);
 679
 680       free (filename);
 681     }
 682
 683   gtk_widget_destroy (dialog);
 684 }
 685
 686
 687 enum {
 688   SELECT_FMT_NULL,
 689   SELECT_FMT_TEXT,
 690   SELECT_FMT_UTF8,
 691   SELECT_FMT_HTML,
 692   SELECT_FMT_ODT
 693 };
 694
 695 static void
 696 clipboard_get_cb (GtkClipboard     *clipboard,
 697                   GtkSelectionData *selection_data,
 698                   guint             info,
 699                   gpointer          data)
 700 {
 701   PsppireOutputWindow *window = data;
 702
 703   gsize length;
 704   gchar *text = NULL;
 705   struct output_driver *driver = NULL;
 706   char dirname[PATH_MAX], *filename;
 707   struct string_map options;
 708
 709   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 710   GtkTreeModel *model = gtk_tree_view_get_model (window->overview);
 711
 712   GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
 713   GList *n = rows;
 714
 715   if ( n == NULL)
 716     return;
 717
 718   if (path_search (dirname, sizeof dirname, NULL, NULL, true)
 719       || mkdtemp (dirname) == NULL)
 720     {
 721       error (0, errno, _("failed to create temporary directory"));
 722       return;
 723     }
 724   filename = xasprintf ("%s/clip.tmp", dirname);
 725
 726   string_map_init (&options);
 727   string_map_insert (&options, "output-file", filename);
 728
 729   switch (info)
 730     {
 731     case SELECT_FMT_UTF8:
 732       string_map_insert (&options, "box", "unicode");
 733       /* fall-through */
 734
 735     case SELECT_FMT_TEXT:
 736       string_map_insert (&options, "format", "txt");
 737       break;
 738
 739     case SELECT_FMT_HTML:
 740       string_map_insert (&options, "format", "html");
 741       string_map_insert (&options, "borders", "false");
 742       string_map_insert (&options, "css", "false");
 743       break;
 744
 745     case SELECT_FMT_ODT:
 746       string_map_insert (&options, "format", "odt");
 747       break;
 748
 749     default:
 750       g_warning ("unsupported clip target\n");
 751       goto finish;
 752       break;
 753     }
 754
 755   driver = output_driver_create (&options);
 756   if (driver == NULL)
 757     goto finish;
 758
 759   while (n)
 760     {
 761       GtkTreePath *path = n->data ;
 762       GtkTreeIter iter;
 763       struct output_item *item ;
 764
 765       gtk_tree_model_get_iter (model, &iter, path);
 766       gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
 767
 768       driver->class->submit (driver, item);
 769
 770       n = n->next;
 771     }
 772
 773   if ( driver->class->flush)
 774     driver->class->flush (driver);
 775
 776
 777   /* Some drivers (eg: the odt one) don't write anything until they
 778      are closed */
 779   output_driver_destroy (driver);
 780   driver = NULL;
 781
 782   if ( g_file_get_contents (filename, &text, &length, NULL) )
 783     {
 784       gtk_selection_data_set (selection_data, selection_data->target,
 785                               8,
 786                               (const guchar *) text, length);
 787     }
 788
 789  finish:
 790
 791   if (driver != NULL)
 792     output_driver_destroy (driver);
 793
 794   g_free (text);
 795
 796   unlink (filename);
 797   free (filename);
 798   rmdir (dirname);
 799
 800   g_list_free (rows);
 801 }
 802
 803 static void
 804 clipboard_clear_cb (GtkClipboard *clipboard,
 805                     gpointer data)
 806 {
 807 }
 808
 809 static const GtkTargetEntry targets[] = {
 810
 811   { "STRING",        0, SELECT_FMT_TEXT },
 812   { "TEXT",          0, SELECT_FMT_TEXT },
 813   { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
 814   { "text/plain",    0, SELECT_FMT_TEXT },
 815
 816   { "UTF8_STRING",   0, SELECT_FMT_UTF8 },
 817   { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
 818
 819   { "text/html",     0, SELECT_FMT_HTML },
 820
 821   { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
 822 };
 823
 824 static void
 825 on_copy (PsppireOutputWindow *window)
 826 {
 827   {
 828     GtkClipboard *clipboard =
 829       gtk_widget_get_clipboard (GTK_WIDGET (window),
 830                                 GDK_SELECTION_CLIPBOARD);
 831
 832     if (!gtk_clipboard_set_with_data (clipboard, targets,
 833                                        G_N_ELEMENTS (targets),
 834                                        clipboard_get_cb, clipboard_clear_cb,
 835                                       window))
 836
 837       clipboard_clear_cb (clipboard, window);
 838   }
 839 }
 840
 841 static void
 842 on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
 843 {
 844   /* The Copy action is available only if there is something selected */
 845   gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
 846 }
 847
 848 static void
 849 on_select_all (PsppireOutputWindow *window)
 850 {
 851   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 852   gtk_tree_view_expand_all (window->overview);
 853   gtk_tree_selection_select_all (sel);
 854 }
 855
 856
 857 static void
 858 psppire_output_window_init (PsppireOutputWindow *window)
 859 {
 860   GtkTreeViewColumn *column;
 861   GtkCellRenderer *renderer;
 862   GtkBuilder *xml;
 863   GtkAction *copy_action;
 864   GtkAction *select_all_action;
 865   GtkTreeSelection *sel;
 866
 867   xml = builder_new ("output-viewer.ui");
 868
 869   copy_action = get_action_assert (xml, "edit_copy");
 870   select_all_action = get_action_assert (xml, "edit_select-all");
 871
 872   gtk_action_set_sensitive (copy_action, FALSE);
 873
 874   g_signal_connect_swapped (copy_action, "activate", G_CALLBACK (on_copy), window);
 875
 876   g_signal_connect_swapped (select_all_action, "activate", G_CALLBACK (on_select_all), window);
 877
 878   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 879
 880   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 881   window->y = 0;
 882
 883   window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
 884
 885   sel = gtk_tree_view_get_selection (window->overview);
 886
 887   gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
 888
 889   g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change), copy_action);
 890
 891   gtk_tree_view_set_model (window->overview,
 892                            GTK_TREE_MODEL (gtk_tree_store_new (
 893                                              N_COLS,
 894                                              G_TYPE_STRING,  /* COL_TITLE */
 895                                              G_TYPE_POINTER, /* COL_ADDR */
 896                                              G_TYPE_LONG))); /* COL_Y */
 897
 898   window->in_command = false;
 899
 900   window->items = NULL;
 901   window->n_items = window->allocated_items = 0;
 902
 903   column = gtk_tree_view_column_new ();
 904   gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
 905   renderer = gtk_cell_renderer_text_new ();
 906   gtk_tree_view_column_pack_start (column, renderer, TRUE);
 907   gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
 908
 909   g_signal_connect (GTK_TREE_VIEW (window->overview),
 910                     "row-activated", G_CALLBACK (on_row_activate), window);
 911
 912   gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
 913                         &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 914
 915   connect_help (xml);
 916
 917   g_signal_connect (window,
 918                     "focus-in-event",
 919                     G_CALLBACK (cancel_urgency),
 920                     NULL);
 921
 922   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 923                     "activate",
 924                     G_CALLBACK (psppire_window_minimise_all),
 925                     NULL);
 926
 927   {
 928     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 929     merge_help_menu (uim);
 930
 931     PSPPIRE_WINDOW (window)->menu =
 932       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar/windows_menuitem/windows_minimise-all")->parent);
 933   }
 934
 935   g_signal_connect_swapped (get_action_assert (xml, "file_export"), "activate",
 936                             G_CALLBACK (psppire_output_window_export), window);
 937
 938
 939   g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate",
 940                             G_CALLBACK (psppire_output_window_print), window);
 941
 942   g_object_unref (xml);
 943
 944   g_signal_connect (window, "delete-event",
 945                     G_CALLBACK (on_delete), window);
 946 }
 947
 948
 949 GtkWidget*
 950 psppire_output_window_new (void)
 951 {
 952   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 953                                    /* TRANSLATORS: This will form a filename.  Please avoid whitespace. */
 954                                    "filename", _("Output"),
 955                                    "description", _("Output Viewer"),
 956                                    NULL));
 957 }
 958
 959
 960 \f
 961 static void
 962 create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
 963 {
 964   struct string_map options;
 965   GtkPageSetup *page_setup;
 966   double width, height;
 967   double left_margin;
 968   double right_margin;
 969   double top_margin;
 970   double bottom_margin;
 971
 972   page_setup = gtk_print_context_get_page_setup (context);
 973   width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
 974   height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
 975   left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
 976   right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
 977   top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
 978   bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
 979
 980   string_map_init (&options);
 981   string_map_insert_nocopy (&options, xstrdup ("paper-size"),
 982                             xasprintf("%.2fx%.2fmm", width, height));
 983   string_map_insert_nocopy (&options, xstrdup ("left-margin"),
 984                             xasprintf ("%.2fmm", left_margin));
 985   string_map_insert_nocopy (&options, xstrdup ("right-margin"),
 986                             xasprintf ("%.2fmm", right_margin));
 987   string_map_insert_nocopy (&options, xstrdup ("top-margin"),
 988                             xasprintf ("%.2fmm", top_margin));
 989   string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
 990                             xasprintf ("%.2fmm", bottom_margin));
 991
 992   window->print_xrd =
 993     xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
 994
 995   string_map_destroy (&options);
 996 }
 997
 998 static gboolean
 999 paginate (GtkPrintOperation *operation,
1000           GtkPrintContext   *context,
1001           PsppireOutputWindow *window)
1002 {
1003   if ( window->print_item < window->n_items )
1004     {
1005       xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
1006       while (xr_driver_need_new_page (window->print_xrd))
1007         {
1008           xr_driver_next_page (window->print_xrd, NULL);
1009           window->print_n_pages ++;
1010         }
1011       return FALSE;
1012     }
1013   else
1014     {
1015       gtk_print_operation_set_n_pages (operation, window->print_n_pages);
1016       window->print_item = 0;
1017       create_xr_print_driver (context, window);
1018       return TRUE;
1019     }
1020 }
1021
1022 static void
1023 begin_print (GtkPrintOperation *operation,
1024              GtkPrintContext   *context,
1025              PsppireOutputWindow *window)
1026 {
1027   create_xr_print_driver (context, window);
1028
1029   window->print_item = 0;
1030   window->print_n_pages = 1;
1031 }
1032
1033 static void
1034 end_print (GtkPrintOperation *operation,
1035            GtkPrintContext   *context,
1036            PsppireOutputWindow *window)
1037 {
1038   xr_driver_destroy (window->print_xrd);
1039 }
1040
1041
1042 static void
1043 draw_page (GtkPrintOperation *operation,
1044            GtkPrintContext   *context,
1045            gint               page_number,
1046            PsppireOutputWindow *window)
1047 {
1048   xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
1049   while (!xr_driver_need_new_page (window->print_xrd)
1050          && window->print_item < window->n_items)
1051     xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
1052 }
1053
1054
1055 static void
1056 psppire_output_window_print (PsppireOutputWindow *window)
1057 {
1058   GtkPrintOperationResult res;
1059
1060   GtkPrintOperation *print = gtk_print_operation_new ();
1061
1062   if (window->print_settings != NULL)
1063     gtk_print_operation_set_print_settings (print, window->print_settings);
1064
1065   g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
1066   g_signal_connect (print, "end_print", G_CALLBACK (end_print),     window);
1067   g_signal_connect (print, "paginate", G_CALLBACK (paginate),       window);
1068   g_signal_connect (print, "draw_page", G_CALLBACK (draw_page),     window);
1069
1070   res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
1071                                  GTK_WINDOW (window), NULL);
1072
1073   if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
1074     {
1075       if (window->print_settings != NULL)
1076         g_object_unref (window->print_settings);
1077       window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
1078
1079     }
1080
1081   g_object_unref (print);
1082 }