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
 378 \f
 379
 380 /* Callback for the "delete" action (clicking the x on the top right
 381    hand corner of the window) */
 382 static gboolean
 383 on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 384 {
 385   PsppireOutputWindow *ow = PSPPIRE_OUTPUT_WINDOW (user_data);
 386
 387   gtk_widget_destroy (GTK_WIDGET (ow));
 388
 389   ow->driver->viewer = NULL;
 390
 391   return FALSE;
 392 }
 393
 394
 395
 396 static void
 397 cancel_urgency (GtkWindow *window,  gpointer data)
 398 {
 399   gtk_window_set_urgency_hint (window, FALSE);
 400 }
 401
 402 static void
 403 on_row_activate (GtkTreeView *overview,
 404                  GtkTreePath *path,
 405                  GtkTreeViewColumn *column,
 406                  PsppireOutputWindow *window)
 407 {
 408   GtkTreeModel *model;
 409   GtkTreeIter iter;
 410   GtkAdjustment *vadj;
 411   GValue value = {0};
 412   double y, min, max;
 413
 414   model = gtk_tree_view_get_model (overview);
 415   if (!gtk_tree_model_get_iter (model, &iter, path))
 416     return;
 417
 418   gtk_tree_model_get_value (model, &iter, COL_Y, &value);
 419   y = g_value_get_long (&value);
 420   g_value_unset (&value);
 421
 422   vadj = gtk_layout_get_vadjustment (window->output);
 423   min = vadj->lower;
 424   max = vadj->upper - vadj->page_size;
 425   if (y < min)
 426     y = min;
 427   else if (y > max)
 428     y = max;
 429   gtk_adjustment_set_value (vadj, y);
 430 }
 431
 432 static void psppire_output_window_print (PsppireOutputWindow *window);
 433
 434
 435 static void
 436 export_output (PsppireOutputWindow *window, struct string_map *options,
 437                const char *format)
 438 {
 439   struct output_driver *driver;
 440   size_t i;
 441
 442   string_map_insert (options, "format", format);
 443   driver = output_driver_create (options);
 444   if (driver == NULL)
 445     return;
 446
 447   for (i = 0; i < window->n_items; i++)
 448     driver->class->submit (driver, window->items[i]);
 449   output_driver_destroy (driver);
 450 }
 451
 452
 453 struct file_types
 454 {
 455   const gchar *label;
 456   const gchar *ext;
 457 };
 458
 459 enum
 460   {
 461     FT_AUTO = 0,
 462     FT_PDF,
 463     FT_HTML,
 464     FT_ODT,
 465     FT_TXT,
 466     FT_PS,
 467     FT_CSV,
 468     n_FT
 469   };
 470
 471 #define N_EXTENSIONS (n_FT - 1)
 472
 473 struct file_types ft[n_FT] = {
 474   {N_("Infer file type from extension"),  NULL},
 475   {N_("PDF (*.pdf)"),                     ".pdf"},
 476   {N_("HTML (*.html)"),                   ".html"},
 477   {N_("OpenDocument (*.odt)"),            ".odt"},
 478   {N_("Text (*.txt)"),                    ".txt"},
 479   {N_("PostScript (*.ps)"),               ".ps"},
 480   {N_("Comma-Separated Values (*.csv)"),  ".csv"}
 481 };
 482
 483
 484 static void
 485 on_combo_change (GtkFileChooser *chooser)
 486 {
 487   gboolean sensitive = FALSE;
 488   GtkWidget *combo = gtk_file_chooser_get_extra_widget (chooser);
 489
 490   int x = 0;
 491   gchar *fn = gtk_file_chooser_get_filename (chooser);
 492
 493   if (combo &&  gtk_widget_get_realized (combo))
 494     x = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
 495
 496   if (fn == NULL)
 497     {
 498       sensitive = FALSE;
 499     }
 500   else
 501     {
 502       gint i;
 503       if ( x != 0 )
 504         sensitive = TRUE;
 505
 506       for (i = 1 ; i < N_EXTENSIONS ; ++i)
 507         {
 508           if ( g_str_has_suffix (fn, ft[i].ext))
 509             {
 510               sensitive = TRUE;
 511               break;
 512             }
 513         }
 514     }
 515
 516   g_free (fn);
 517
 518   gtk_dialog_set_response_sensitive (GTK_DIALOG (chooser), GTK_RESPONSE_ACCEPT, sensitive);
 519 }
 520
 521
 522 static void
 523 on_file_chooser_change (GObject *w, GParamSpec *pspec, gpointer data)
 524 {
 525
 526   GtkFileChooser *chooser = data;
 527   const gchar *name = g_param_spec_get_name (pspec);
 528
 529   if ( ! gtk_widget_get_realized (GTK_WIDGET (chooser)))
 530     return;
 531
 532   /* Ignore this one.  It causes recursion. */
 533   if ( 0 == strcmp ("tooltip-text", name))
 534     return;
 535
 536   on_combo_change (chooser);
 537 }
 538
 539
 540 /* Recursively descend all the children of W, connecting
 541    to their "notify" signal */
 542 static void
 543 iterate_widgets (GtkWidget *w, gpointer data)
 544 {
 545   if ( GTK_IS_CONTAINER (w))
 546     gtk_container_forall (GTK_CONTAINER (w), iterate_widgets, data);
 547   else
 548     g_signal_connect (w, "notify",  G_CALLBACK (on_file_chooser_change), data);
 549 }
 550
 551
 552
 553 static GtkListStore *
 554 create_file_type_list (void)
 555 {
 556   int i;
 557   GtkTreeIter iter;
 558   GtkListStore *list = gtk_list_store_new (2, G_TYPE_STRING, G_TYPE_STRING);
 559
 560   for (i = 0 ; i < n_FT ; ++i)
 561     {
 562       gtk_list_store_append (list, &iter);
 563       gtk_list_store_set (list, &iter,
 564                           0,  gettext (ft[i].label),
 565                           1,  ft[i].ext,
 566                           -1);
 567     }
 568
 569   return list;
 570 }
 571
 572 static void
 573 psppire_output_window_export (PsppireOutputWindow *window)
 574 {
 575   gint response;
 576   GtkWidget *combo;
 577   GtkListStore *list;
 578
 579   GtkFileChooser *chooser;
 580
 581   GtkWidget *dialog = gtk_file_chooser_dialog_new (_("Export Output"),
 582                                         GTK_WINDOW (window),
 583                                         GTK_FILE_CHOOSER_ACTION_SAVE,
 584                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 585                                         GTK_STOCK_SAVE,   GTK_RESPONSE_ACCEPT,
 586                                         NULL);
 587
 588   g_object_set (dialog, "local-only", FALSE, NULL);
 589
 590   chooser = GTK_FILE_CHOOSER (dialog);
 591
 592   list = create_file_type_list ();
 593
 594   combo = gtk_combo_box_new_with_model (GTK_TREE_MODEL (list));
 595
 596
 597   {
 598     /* Create text cell renderer */
 599     GtkCellRenderer *cell = gtk_cell_renderer_text_new();
 600     gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo), cell, FALSE );
 601
 602     gtk_cell_layout_add_attribute (GTK_CELL_LAYOUT (combo), cell,  "text", 0);
 603   }
 604
 605   g_signal_connect_swapped (combo, "changed", G_CALLBACK (on_combo_change), chooser);
 606
 607   gtk_combo_box_set_active (GTK_COMBO_BOX (combo), 0);
 608
 609   gtk_file_chooser_set_extra_widget (chooser, combo);
 610
 611   /* This kludge is necessary because there is no signal to tell us
 612      when the candidate filename of a GtkFileChooser has changed */
 613   gtk_container_forall (GTK_CONTAINER (dialog), iterate_widgets, dialog);
 614
 615
 616   gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);
 617
 618   response = gtk_dialog_run (GTK_DIALOG (dialog));
 619
 620   if ( response == GTK_RESPONSE_ACCEPT )
 621     {
 622       int file_type = gtk_combo_box_get_active (GTK_COMBO_BOX (combo));
 623       char *filename = gtk_file_chooser_get_filename (chooser);
 624       struct string_map options;
 625
 626       g_return_if_fail (filename);
 627
 628       if (file_type == FT_AUTO)
 629         {
 630           gint i;
 631           for (i = 1 ; i < N_EXTENSIONS ; ++i)
 632             {
 633               if ( g_str_has_suffix (filename, ft[i].ext))
 634                 {
 635                   file_type = i;
 636                   break;
 637                 }
 638             }
 639         }
 640
 641
 642       string_map_init (&options);
 643       string_map_insert (&options, "output-file", filename);
 644
 645       switch (file_type)
 646         {
 647         case FT_PDF:
 648           export_output (window, &options, "pdf");
 649           break;
 650         case FT_HTML:
 651           export_output (window, &options, "html");
 652           break;
 653         case FT_ODT:
 654           export_output (window, &options, "odt");
 655           break;
 656         case FT_PS:
 657           export_output (window, &options, "ps");
 658           break;
 659         case FT_CSV:
 660           export_output (window, &options, "csv");
 661           break;
 662
 663         case FT_TXT:
 664           string_map_insert (&options, "headers", "false");
 665           string_map_insert (&options, "paginate", "false");
 666           string_map_insert (&options, "squeeze", "true");
 667           string_map_insert (&options, "emphasis", "none");
 668           string_map_insert (&options, "charts", "none");
 669           string_map_insert (&options, "top-margin", "0");
 670           string_map_insert (&options, "bottom-margin", "0");
 671           export_output (window, &options, "txt");
 672           break;
 673         default:
 674           g_assert_not_reached ();
 675         }
 676
 677       string_map_destroy (&options);
 678
 679       free (filename);
 680     }
 681
 682   gtk_widget_destroy (dialog);
 683 }
 684
 685
 686 enum {
 687   SELECT_FMT_NULL,
 688   SELECT_FMT_TEXT,
 689   SELECT_FMT_UTF8,
 690   SELECT_FMT_HTML,
 691   SELECT_FMT_ODT
 692 };
 693
 694 static void
 695 clipboard_get_cb (GtkClipboard     *clipboard,
 696                   GtkSelectionData *selection_data,
 697                   guint             info,
 698                   gpointer          data)
 699 {
 700   PsppireOutputWindow *window = data;
 701
 702   gsize length;
 703   gchar *text = NULL;
 704   struct output_driver *driver = NULL;
 705   char dirname[PATH_MAX], *filename;
 706   struct string_map options;
 707
 708   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 709   GtkTreeModel *model = gtk_tree_view_get_model (window->overview);
 710
 711   GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
 712   GList *n = rows;
 713
 714   if ( n == NULL)
 715     return;
 716
 717   if (path_search (dirname, sizeof dirname, NULL, NULL, true)
 718       || mkdtemp (dirname) == NULL)
 719     {
 720       error (0, errno, _("failed to create temporary directory"));
 721       return;
 722     }
 723   filename = xasprintf ("%s/clip.tmp", dirname);
 724
 725   string_map_init (&options);
 726   string_map_insert (&options, "output-file", filename);
 727
 728   switch (info)
 729     {
 730     case SELECT_FMT_UTF8:
 731       string_map_insert (&options, "box", "unicode");
 732       /* fall-through */
 733
 734     case SELECT_FMT_TEXT:
 735       string_map_insert (&options, "format", "txt");
 736       break;
 737
 738     case SELECT_FMT_HTML:
 739       string_map_insert (&options, "format", "html");
 740       string_map_insert (&options, "borders", "false");
 741       string_map_insert (&options, "css", "false");
 742       break;
 743
 744     case SELECT_FMT_ODT:
 745       string_map_insert (&options, "format", "odt");
 746       break;
 747
 748     default:
 749       g_warning ("unsupported clip target\n");
 750       goto finish;
 751       break;
 752     }
 753
 754   driver = output_driver_create (&options);
 755   if (driver == NULL)
 756     goto finish;
 757
 758   while (n)
 759     {
 760       GtkTreePath *path = n->data ;
 761       GtkTreeIter iter;
 762       struct output_item *item ;
 763
 764       gtk_tree_model_get_iter (model, &iter, path);
 765       gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
 766
 767       driver->class->submit (driver, item);
 768
 769       n = n->next;
 770     }
 771
 772   if ( driver->class->flush)
 773     driver->class->flush (driver);
 774
 775
 776   /* Some drivers (eg: the odt one) don't write anything until they
 777      are closed */
 778   output_driver_destroy (driver);
 779   driver = NULL;
 780
 781   if ( g_file_get_contents (filename, &text, &length, NULL) )
 782     {
 783       gtk_selection_data_set (selection_data, selection_data->target,
 784                               8,
 785                               (const guchar *) text, length);
 786     }
 787
 788  finish:
 789
 790   if (driver != NULL)
 791     output_driver_destroy (driver);
 792
 793   g_free (text);
 794
 795   unlink (filename);
 796   free (filename);
 797   rmdir (dirname);
 798
 799   g_list_free (rows);
 800 }
 801
 802 static void
 803 clipboard_clear_cb (GtkClipboard *clipboard,
 804                     gpointer data)
 805 {
 806 }
 807
 808 static const GtkTargetEntry targets[] = {
 809
 810   { "STRING",        0, SELECT_FMT_TEXT },
 811   { "TEXT",          0, SELECT_FMT_TEXT },
 812   { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
 813   { "text/plain",    0, SELECT_FMT_TEXT },
 814
 815   { "UTF8_STRING",   0, SELECT_FMT_UTF8 },
 816   { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
 817
 818   { "text/html",     0, SELECT_FMT_HTML },
 819
 820   { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
 821 };
 822
 823 static void
 824 on_copy (PsppireOutputWindow *window)
 825 {
 826   {
 827     GtkClipboard *clipboard =
 828       gtk_widget_get_clipboard (GTK_WIDGET (window),
 829                                 GDK_SELECTION_CLIPBOARD);
 830
 831     if (!gtk_clipboard_set_with_data (clipboard, targets,
 832                                        G_N_ELEMENTS (targets),
 833                                        clipboard_get_cb, clipboard_clear_cb,
 834                                       window))
 835
 836       clipboard_clear_cb (clipboard, window);
 837   }
 838 }
 839
 840 static void
 841 on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
 842 {
 843   /* The Copy action is available only if there is something selected */
 844   gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
 845 }
 846
 847 static void
 848 on_select_all (PsppireOutputWindow *window)
 849 {
 850   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 851   gtk_tree_view_expand_all (window->overview);
 852   gtk_tree_selection_select_all (sel);
 853 }
 854
 855
 856 static void
 857 psppire_output_window_init (PsppireOutputWindow *window)
 858 {
 859   GtkTreeViewColumn *column;
 860   GtkCellRenderer *renderer;
 861   GtkBuilder *xml;
 862   GtkAction *copy_action;
 863   GtkAction *select_all_action;
 864   GtkTreeSelection *sel;
 865
 866   xml = builder_new ("output-viewer.ui");
 867
 868   copy_action = get_action_assert (xml, "edit_copy");
 869   select_all_action = get_action_assert (xml, "edit_select-all");
 870
 871   gtk_action_set_sensitive (copy_action, FALSE);
 872
 873   g_signal_connect_swapped (copy_action, "activate", G_CALLBACK (on_copy), window);
 874
 875   g_signal_connect_swapped (select_all_action, "activate", G_CALLBACK (on_select_all), window);
 876
 877   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 878
 879   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 880   window->y = 0;
 881
 882   window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
 883
 884   sel = gtk_tree_view_get_selection (window->overview);
 885
 886   gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
 887
 888   g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change), copy_action);
 889
 890   gtk_tree_view_set_model (window->overview,
 891                            GTK_TREE_MODEL (gtk_tree_store_new (
 892                                              N_COLS,
 893                                              G_TYPE_STRING,  /* COL_TITLE */
 894                                              G_TYPE_POINTER, /* COL_ADDR */
 895                                              G_TYPE_LONG))); /* COL_Y */
 896
 897   window->in_command = false;
 898
 899   window->items = NULL;
 900   window->n_items = window->allocated_items = 0;
 901
 902   column = gtk_tree_view_column_new ();
 903   gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
 904   renderer = gtk_cell_renderer_text_new ();
 905   gtk_tree_view_column_pack_start (column, renderer, TRUE);
 906   gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
 907
 908   g_signal_connect (GTK_TREE_VIEW (window->overview),
 909                     "row-activated", G_CALLBACK (on_row_activate), window);
 910
 911   gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
 912                         &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 913
 914   connect_help (xml);
 915
 916   g_signal_connect (window,
 917                     "focus-in-event",
 918                     G_CALLBACK (cancel_urgency),
 919                     NULL);
 920
 921   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 922                     "activate",
 923                     G_CALLBACK (psppire_window_minimise_all),
 924                     NULL);
 925
 926   {
 927     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 928     merge_help_menu (uim);
 929
 930     PSPPIRE_WINDOW (window)->menu =
 931       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar/windows_menuitem/windows_minimise-all")->parent);
 932   }
 933
 934   g_signal_connect_swapped (get_action_assert (xml, "file_export"), "activate",
 935                             G_CALLBACK (psppire_output_window_export), window);
 936
 937
 938   g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate",
 939                             G_CALLBACK (psppire_output_window_print), window);
 940
 941   g_object_unref (xml);
 942
 943   g_signal_connect (window, "delete-event",
 944                     G_CALLBACK (on_delete), window);
 945 }
 946
 947
 948 GtkWidget*
 949 psppire_output_window_new (void)
 950 {
 951   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 952                                    /* TRANSLATORS: This will form a filename.  Please avoid whitespace. */
 953                                    "filename", _("Output"),
 954                                    "description", _("Output Viewer"),
 955                                    NULL));
 956 }
 957
 958
 959 \f
 960 static void
 961 create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
 962 {
 963   struct string_map options;
 964   GtkPageSetup *page_setup;
 965   double width, height;
 966   double left_margin;
 967   double right_margin;
 968   double top_margin;
 969   double bottom_margin;
 970
 971   page_setup = gtk_print_context_get_page_setup (context);
 972   width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
 973   height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
 974   left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
 975   right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
 976   top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
 977   bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
 978
 979   string_map_init (&options);
 980   string_map_insert_nocopy (&options, xstrdup ("paper-size"),
 981                             xasprintf("%.2fx%.2fmm", width, height));
 982   string_map_insert_nocopy (&options, xstrdup ("left-margin"),
 983                             xasprintf ("%.2fmm", left_margin));
 984   string_map_insert_nocopy (&options, xstrdup ("right-margin"),
 985                             xasprintf ("%.2fmm", right_margin));
 986   string_map_insert_nocopy (&options, xstrdup ("top-margin"),
 987                             xasprintf ("%.2fmm", top_margin));
 988   string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
 989                             xasprintf ("%.2fmm", bottom_margin));
 990
 991   window->print_xrd =
 992     xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
 993
 994   string_map_destroy (&options);
 995 }
 996
 997 static gboolean
 998 paginate (GtkPrintOperation *operation,
 999           GtkPrintContext   *context,
1000           PsppireOutputWindow *window)
1001 {
1002   if ( window->print_item < window->n_items )
1003     {
1004       xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
1005       while (xr_driver_need_new_page (window->print_xrd))
1006         {
1007           xr_driver_next_page (window->print_xrd, NULL);
1008           window->print_n_pages ++;
1009         }
1010       return FALSE;
1011     }
1012   else
1013     {
1014       gtk_print_operation_set_n_pages (operation, window->print_n_pages);
1015       window->print_item = 0;
1016       create_xr_print_driver (context, window);
1017       return TRUE;
1018     }
1019 }
1020
1021 static void
1022 begin_print (GtkPrintOperation *operation,
1023              GtkPrintContext   *context,
1024              PsppireOutputWindow *window)
1025 {
1026   create_xr_print_driver (context, window);
1027
1028   window->print_item = 0;
1029   window->print_n_pages = 1;
1030 }
1031
1032 static void
1033 end_print (GtkPrintOperation *operation,
1034            GtkPrintContext   *context,
1035            PsppireOutputWindow *window)
1036 {
1037   xr_driver_destroy (window->print_xrd);
1038 }
1039
1040
1041 static void
1042 draw_page (GtkPrintOperation *operation,
1043            GtkPrintContext   *context,
1044            gint               page_number,
1045            PsppireOutputWindow *window)
1046 {
1047   xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
1048   while (!xr_driver_need_new_page (window->print_xrd)
1049          && window->print_item < window->n_items)
1050     xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
1051 }
1052
1053
1054 static void
1055 psppire_output_window_print (PsppireOutputWindow *window)
1056 {
1057   GtkPrintOperationResult res;
1058
1059   GtkPrintOperation *print = gtk_print_operation_new ();
1060
1061   if (window->print_settings != NULL)
1062     gtk_print_operation_set_print_settings (print, window->print_settings);
1063
1064   g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
1065   g_signal_connect (print, "end_print", G_CALLBACK (end_print),     window);
1066   g_signal_connect (print, "paginate", G_CALLBACK (paginate),       window);
1067   g_signal_connect (print, "draw_page", G_CALLBACK (draw_page),     window);
1068
1069   res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
1070                                  GTK_WINDOW (window), NULL);
1071
1072   if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
1073     {
1074       if (window->print_settings != NULL)
1075         g_object_unref (window->print_settings);
1076       window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
1077
1078     }
1079
1080   g_object_unref (print);
1081 }