pintos-os.org Git - pspp/blob - src/ui/gui/psppire-output-window.c

   1 /* PSPPIRE - a graphical user interface for PSPP.
   2    Copyright (C) 2008, 2009, 2010  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 <gtk/gtksignal.h>
  20 #include <gtk/gtkbox.h>
  21 #include "helper.h"
  22
  23 #include <libpspp/cast.h>
  24 #include <libpspp/message.h>
  25 #include <libpspp/string-map.h>
  26 #include <output/cairo.h>
  27 #include <output/chart-item.h>
  28 #include <output/driver-provider.h>
  29 #include <output/output-item.h>
  30 #include <output/table-item.h>
  31 #include <output/text-item.h>
  32 #include <output/tab.h>
  33 #include <stdlib.h>
  34
  35 #include "help-menu.h"
  36
  37 #include "psppire-output-window.h"
  38
  39
  40 #include "xalloc.h"
  41
  42 #include <sys/types.h>
  43 #include <sys/stat.h>
  44 #include <unistd.h>
  45
  46 #include <gettext.h>
  47 #define _(msgid) gettext (msgid)
  48 #define N_(msgid) msgid
  49
  50 enum
  51   {
  52     COL_TITLE,                  /* Table title. */
  53     COL_ADDR,                   /* Pointer to the table */
  54     COL_Y,                      /* Y position of top of title. */
  55     N_COLS
  56   };
  57
  58 static void psppire_output_window_base_finalize (PsppireOutputWindowClass *, gpointer);
  59 static void psppire_output_window_base_init     (PsppireOutputWindowClass *class);
  60 static void psppire_output_window_class_init    (PsppireOutputWindowClass *class);
  61 static void psppire_output_window_init          (PsppireOutputWindow      *window);
  62
  63
  64 GType
  65 psppire_output_window_get_type (void)
  66 {
  67   static GType psppire_output_window_type = 0;
  68
  69   if (!psppire_output_window_type)
  70     {
  71       static const GTypeInfo psppire_output_window_info =
  72       {
  73         sizeof (PsppireOutputWindowClass),
  74         (GBaseInitFunc) psppire_output_window_base_init,
  75         (GBaseFinalizeFunc) psppire_output_window_base_finalize,
  76         (GClassInitFunc)psppire_output_window_class_init,
  77         (GClassFinalizeFunc) NULL,
  78         NULL,
  79         sizeof (PsppireOutputWindow),
  80         0,
  81         (GInstanceInitFunc) psppire_output_window_init,
  82       };
  83
  84       psppire_output_window_type =
  85         g_type_register_static (PSPPIRE_TYPE_WINDOW, "PsppireOutputWindow",
  86                                 &psppire_output_window_info, 0);
  87     }
  88
  89   return psppire_output_window_type;
  90 }
  91
  92 static GObjectClass *parent_class;
  93
  94 static void
  95 psppire_output_window_finalize (GObject *object)
  96 {
  97   if (G_OBJECT_CLASS (parent_class)->finalize)
  98     (*G_OBJECT_CLASS (parent_class)->finalize) (object);
  99 }
 100
 101
 102 static void
 103 psppire_output_window_dispose (GObject *obj)
 104 {
 105   PsppireOutputWindow *viewer = PSPPIRE_OUTPUT_WINDOW (obj);
 106   size_t i;
 107
 108   for (i = 0; i < viewer->n_items; i++)
 109     output_item_unref (viewer->items[i]);
 110   free (viewer->items);
 111   viewer->items = NULL;
 112   viewer->n_items = viewer->allocated_items = 0;
 113
 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   };
 154
 155 static struct output_driver_class psppire_output_class;
 156
 157 static struct psppire_output_driver *
 158 psppire_output_cast (struct output_driver *driver)
 159 {
 160   assert (driver->class == &psppire_output_class);
 161   return UP_CAST (driver, struct psppire_output_driver, driver);
 162 }
 163
 164 static gboolean
 165 expose_event_callback (GtkWidget *widget, GdkEventExpose *event, gpointer data)
 166 {
 167   struct xr_rendering *r = g_object_get_data (G_OBJECT (widget), "rendering");
 168   cairo_t *cr;
 169
 170   cr = gdk_cairo_create (widget->window);
 171   xr_rendering_draw (r, cr);
 172   cairo_destroy (cr);
 173
 174   return TRUE;
 175 }
 176
 177 static void
 178 psppire_output_submit (struct output_driver *this,
 179                        const struct output_item *item)
 180 {
 181   struct psppire_output_driver *pod = psppire_output_cast (this);
 182   PsppireOutputWindow *viewer;
 183   GtkWidget *drawing_area;
 184   struct xr_rendering *r;
 185   struct string title;
 186   GtkTreeStore *store;
 187   GtkTreePath *path;
 188   GtkTreeIter iter;
 189   cairo_t *cr;
 190   int tw, th;
 191
 192   if (pod->viewer == NULL)
 193     {
 194       pod->viewer = PSPPIRE_OUTPUT_WINDOW (psppire_output_window_new ());
 195       gtk_widget_show_all (GTK_WIDGET (pod->viewer));
 196       pod->viewer->driver = pod;
 197     }
 198   viewer = pod->viewer;
 199
 200   if (viewer->n_items >= viewer->allocated_items)
 201     viewer->items = x2nrealloc (viewer->items, &viewer->allocated_items,
 202                                 sizeof *viewer->items);
 203   viewer->items[viewer->n_items++] = output_item_ref (item);
 204
 205   if (is_text_item (item))
 206     {
 207       const struct text_item *text_item = to_text_item (item);
 208       enum text_item_type type = text_item_get_type (text_item);
 209       const char *text = text_item_get_text (text_item);
 210
 211       if (type == TEXT_ITEM_COMMAND_CLOSE)
 212         {
 213           viewer->in_command = false;
 214           return;
 215         }
 216       else if (text[0] == '\0')
 217         return;
 218     }
 219
 220   cr = gdk_cairo_create (GTK_WIDGET (pod->viewer)->window);
 221   if (pod->xr == NULL)
 222     {
 223       const GtkStyle *style = gtk_widget_get_style (GTK_WIDGET (viewer));
 224       struct string_map options = STRING_MAP_INITIALIZER (options);
 225       PangoFontDescription *font_desc;
 226       char *font_name;
 227
 228       /* Use GTK+ default font as proportional font. */
 229       font_name = pango_font_description_to_string (style->font_desc);
 230       string_map_insert (&options, "prop-font", font_name);
 231       g_free (font_name);
 232
 233       /* Derived emphasized font from proportional font. */
 234       font_desc = pango_font_description_copy (style->font_desc);
 235       pango_font_description_set_style (font_desc, PANGO_STYLE_ITALIC);
 236       font_name = pango_font_description_to_string (font_desc);
 237       string_map_insert (&options, "emph-font", font_name);
 238       g_free (font_name);
 239       pango_font_description_free (font_desc);
 240
 241       /* Pretend that the "page" has a reasonable width and a very big length,
 242          so that most tables can be conveniently viewed on-screen with vertical
 243          scrolling only.  (The length should not be increased very much because
 244          it is already close enough to INT_MAX when expressed as thousands of a
 245          point.) */
 246       string_map_insert (&options, "paper-size", "300x200000mm");
 247       string_map_insert (&options, "headers", "off");
 248       string_map_insert (&options, "left-margin", "0");
 249       string_map_insert (&options, "right-margin", "0");
 250       string_map_insert (&options, "top-margin", "0");
 251       string_map_insert (&options, "bottom-margin", "0");
 252
 253       pod->xr = xr_driver_create (cr, &options);
 254
 255       string_map_destroy (&options);
 256     }
 257
 258   r = xr_rendering_create (pod->xr, item, cr);
 259   if (r == NULL)
 260     goto done;
 261
 262   xr_rendering_measure (r, &tw, &th);
 263
 264   drawing_area = gtk_drawing_area_new ();
 265   gtk_widget_modify_bg (
 266     GTK_WIDGET (drawing_area), GTK_STATE_NORMAL,
 267     &gtk_widget_get_style (drawing_area)->base[GTK_STATE_NORMAL]);
 268   g_object_set_data (G_OBJECT (drawing_area), "rendering", r);
 269   gtk_widget_set_size_request (drawing_area, tw, th);
 270   gtk_layout_put (pod->viewer->output, drawing_area, 0, pod->viewer->y);
 271   gtk_widget_show (drawing_area);
 272   g_signal_connect (G_OBJECT (drawing_area), "expose_event",
 273                      G_CALLBACK (expose_event_callback), NULL);
 274
 275   if (!is_text_item (item)
 276       || text_item_get_type (to_text_item (item)) != TEXT_ITEM_SYNTAX
 277       || !viewer->in_command)
 278     {
 279       store = GTK_TREE_STORE (gtk_tree_view_get_model (viewer->overview));
 280
 281       ds_init_empty (&title);
 282       if (is_text_item (item)
 283           && text_item_get_type (to_text_item (item)) == TEXT_ITEM_COMMAND_OPEN)
 284         {
 285           gtk_tree_store_append (store, &iter, NULL);
 286           viewer->cur_command = iter; /* XXX shouldn't save a GtkTreeIter */
 287           viewer->in_command = true;
 288         }
 289       else
 290         {
 291           GtkTreeIter *p = viewer->in_command ? &viewer->cur_command : NULL;
 292           gtk_tree_store_append (store, &iter, p);
 293         }
 294
 295       ds_clear (&title);
 296       if (is_text_item (item))
 297         ds_put_cstr (&title, text_item_get_text (to_text_item (item)));
 298       else if (is_table_item (item))
 299         {
 300           const char *caption = table_item_get_caption (to_table_item (item));
 301           if (caption != NULL)
 302             ds_put_format (&title, "Table: %s", caption);
 303           else
 304             ds_put_cstr (&title, "Table");
 305         }
 306       else if (is_chart_item (item))
 307         {
 308           const char *s = chart_item_get_title (to_chart_item (item));
 309           if (s != NULL)
 310             ds_put_format (&title, "Chart: %s", s);
 311           else
 312             ds_put_cstr (&title, "Chart");
 313         }
 314       gtk_tree_store_set (store, &iter,
 315                           COL_TITLE, ds_cstr (&title),
 316                           COL_ADDR, item,
 317                           COL_Y, viewer->y,
 318                           -1);
 319       ds_destroy (&title);
 320
 321       path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
 322       gtk_tree_view_expand_row (viewer->overview, path, TRUE);
 323       gtk_tree_path_free (path);
 324     }
 325
 326   if (pod->viewer->max_width < tw)
 327     pod->viewer->max_width = tw;
 328   pod->viewer->y += th;
 329
 330   gtk_layout_set_size (pod->viewer->output,
 331                        pod->viewer->max_width, pod->viewer->y);
 332
 333   gtk_window_set_urgency_hint (GTK_WINDOW (pod->viewer), TRUE);
 334
 335 done:
 336   cairo_destroy (cr);
 337 }
 338
 339 static struct output_driver_class psppire_output_class =
 340   {
 341     "PSPPIRE",                  /* name */
 342     NULL,                       /* destroy */
 343     psppire_output_submit,      /* submit */
 344     NULL,                       /* flush */
 345   };
 346
 347 void
 348 psppire_output_window_setup (void)
 349 {
 350   struct psppire_output_driver *pod;
 351   struct output_driver *d;
 352
 353   pod = xzalloc (sizeof *pod);
 354   d = &pod->driver;
 355   output_driver_init (d, &psppire_output_class, "PSPPIRE",
 356                       SETTINGS_DEVICE_UNFILTERED);
 357   output_driver_register (d);
 358 }
 359 \f
 360 int viewer_length = 16;
 361 int viewer_width = 59;
 362
 363 /* Callback for the "delete" action (clicking the x on the top right
 364    hand corner of the window) */
 365 static gboolean
 366 on_delete (GtkWidget *w, GdkEvent *event, gpointer user_data)
 367 {
 368   PsppireOutputWindow *ow = PSPPIRE_OUTPUT_WINDOW (user_data);
 369
 370   gtk_widget_destroy (GTK_WIDGET (ow));
 371
 372   ow->driver->viewer = NULL;
 373
 374   return FALSE;
 375 }
 376
 377
 378
 379 static void
 380 cancel_urgency (GtkWindow *window,  gpointer data)
 381 {
 382   gtk_window_set_urgency_hint (window, FALSE);
 383 }
 384
 385 static void
 386 on_row_activate (GtkTreeView *overview,
 387                  GtkTreePath *path,
 388                  GtkTreeViewColumn *column,
 389                  PsppireOutputWindow *window)
 390 {
 391   GtkTreeModel *model;
 392   GtkTreeIter iter;
 393   GtkAdjustment *vadj;
 394   GValue value = {0};
 395   double y, min, max;
 396
 397   model = gtk_tree_view_get_model (overview);
 398   if (!gtk_tree_model_get_iter (model, &iter, path))
 399     return;
 400
 401   gtk_tree_model_get_value (model, &iter, COL_Y, &value);
 402   y = g_value_get_long (&value);
 403   g_value_unset (&value);
 404
 405   vadj = gtk_layout_get_vadjustment (window->output);
 406   min = vadj->lower;
 407   max = vadj->upper - vadj->page_size;
 408   if (y < min)
 409     y = min;
 410   else if (y > max)
 411     y = max;
 412   gtk_adjustment_set_value (vadj, y);
 413 }
 414
 415 static void psppire_output_window_print (PsppireOutputWindow *window);
 416
 417
 418 static GtkFileFilter *
 419 add_filter (GtkFileChooser *chooser, const char *name, const char *pattern)
 420 {
 421   GtkFileFilter *filter = gtk_file_filter_new ();
 422   g_object_ref_sink (G_OBJECT (filter));
 423   gtk_file_filter_set_name (filter, name);
 424   gtk_file_filter_add_pattern (filter, pattern);
 425   gtk_file_chooser_add_filter (chooser, filter);
 426   return filter;
 427 }
 428
 429 static void
 430 export_output (PsppireOutputWindow *window, struct string_map *options,
 431                const char *format)
 432 {
 433   struct output_driver *driver;
 434   size_t i;
 435
 436   string_map_insert (options, "format", format);
 437   driver = output_driver_create (options);
 438   if (driver == NULL)
 439     return;
 440
 441   for (i = 0; i < window->n_items; i++)
 442     driver->class->submit (driver, window->items[i]);
 443   output_driver_destroy (driver);
 444 }
 445
 446 static void
 447 psppire_output_window_export (PsppireOutputWindow *window)
 448 {
 449   gint response;
 450
 451   GtkFileFilter *pdf_filter;
 452   GtkFileFilter *html_filter;
 453   GtkFileFilter *odt_filter;
 454   GtkFileFilter *txt_filter;
 455   GtkFileFilter *ps_filter;
 456   GtkFileFilter *csv_filter;
 457   GtkFileChooser *chooser;
 458   GtkWidget *dialog;
 459
 460   dialog = gtk_file_chooser_dialog_new (_("Export Output"),
 461                                         GTK_WINDOW (window),
 462                                         GTK_FILE_CHOOSER_ACTION_SAVE,
 463                                         GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
 464                                         GTK_STOCK_SAVE,   GTK_RESPONSE_ACCEPT,
 465                                         NULL);
 466   chooser = GTK_FILE_CHOOSER (dialog);
 467
 468   pdf_filter = add_filter (chooser, _("PDF Files (*.pdf)"), "*.pdf");
 469   html_filter = add_filter (chooser, _("HTML Files (*.html)"), "*.html");
 470   odt_filter = add_filter (chooser, _("OpenDocument Files (*.odt)"), "*.odt");
 471   txt_filter = add_filter (chooser, _("Text Files (*.txt)"), "*.txt");
 472   ps_filter = add_filter (chooser, _("PostScript Files (*.ps)"), "*.ps");
 473   csv_filter = add_filter (chooser, _("Comma-Separated Value Files (*.csv)"),
 474                            "*.csv");
 475
 476   gtk_file_chooser_set_do_overwrite_confirmation (chooser, TRUE);
 477   gtk_file_chooser_set_filter (chooser, pdf_filter);
 478
 479   response = gtk_dialog_run (GTK_DIALOG (dialog));
 480
 481   if ( response == GTK_RESPONSE_ACCEPT )
 482     {
 483       char *filename = gtk_file_chooser_get_filename (chooser);
 484       GtkFileFilter *filter = gtk_file_chooser_get_filter (chooser);
 485       struct string_map options;
 486
 487       g_return_if_fail (filename);
 488       g_return_if_fail (filter);
 489
 490       string_map_init (&options);
 491       string_map_insert (&options, "output-file", filename);
 492       if (filter == pdf_filter)
 493         {
 494           export_output (window, &options, "pdf");
 495         }
 496       else if (filter == html_filter)
 497         export_output (window, &options, "html");
 498       else if (filter == odt_filter)
 499         export_output (window, &options, "odt");
 500       else if (filter == txt_filter)
 501         {
 502           string_map_insert (&options, "headers", "false");
 503           string_map_insert (&options, "paginate", "false");
 504           string_map_insert (&options, "squeeze", "true");
 505           string_map_insert (&options, "emphasis", "none");
 506           string_map_insert (&options, "charts", "none");
 507           string_map_insert (&options, "top-margin", "0");
 508           string_map_insert (&options, "bottom-margin", "0");
 509           export_output (window, &options, "txt");
 510         }
 511       else if (filter == ps_filter)
 512         export_output (window, &options, "ps");
 513       else if (filter == csv_filter)
 514         export_output (window, &options, "csv");
 515       else
 516         g_return_if_reached ();
 517
 518       free (filename);
 519     }
 520
 521   g_object_unref (G_OBJECT (pdf_filter));
 522   g_object_unref (G_OBJECT (html_filter));
 523   g_object_unref (G_OBJECT (txt_filter));
 524   g_object_unref (G_OBJECT (ps_filter));
 525   g_object_unref (G_OBJECT (csv_filter));
 526
 527   gtk_widget_destroy (dialog);
 528 }
 529
 530
 531 enum {
 532   SELECT_FMT_NULL,
 533   SELECT_FMT_TEXT,
 534   SELECT_FMT_UTF8,
 535   SELECT_FMT_HTML
 536 };
 537
 538
 539 static void
 540 insert_glyph (struct string_map *map, const char *opt, gunichar glyph)
 541 {
 542   char s[6] = {0,0,0,0,0,0};
 543
 544   g_unichar_to_utf8 (glyph, s);
 545   string_map_insert (map, opt, s);
 546 }
 547
 548 struct glyph_pair
 549 {
 550   gunichar glyph;
 551   char opt[10];
 552 };
 553
 554 struct glyph_pair table[] = {
 555   {0x250C, "box[1100]"},
 556   {0x2518, "box[0011]"},
 557   {0x2510, "box[0110]"},
 558   {0x2514, "box[1001]"},
 559   {0x2502, "box[0101]"},
 560   {0x2500, "box[1010]"},
 561   {0x2534, "box[1011]"},
 562   {0x252C, "box[1110]"},
 563   {0x2501, "box[2020]"},
 564   {0x2503, "box[0202]"},
 565   {0x253F, "box[2121]"},
 566   {0x2542, "box[1212]"},
 567   {0x254B, "box[2222]"},
 568   {0x2525, "box[0121]"},
 569   {0x2530, "box[1210]"},
 570   {0x2538, "box[1012]"},
 571   {0x251D, "box[2101]"},
 572   {0x2537, "box[2021]"},
 573   {0x252F, "box[2120]"}
 574 };
 575
 576
 577 static void
 578 utf8_box_chars (struct string_map *map)
 579 {
 580   int i;
 581   for (i = 0; i < sizeof (table) / sizeof (table[0]); ++i)
 582     {
 583       const struct glyph_pair *p = &table[i];
 584       insert_glyph (map, p->opt, p->glyph);
 585     }
 586 }
 587
 588
 589
 590 static void
 591 clipboard_get_cb (GtkClipboard     *clipboard,
 592                   GtkSelectionData *selection_data,
 593                   guint             info,
 594                   gpointer          data)
 595 {
 596   PsppireOutputWindow *window = data;
 597
 598   gsize length;
 599   gchar *text = NULL;
 600   struct output_driver *driver = NULL;
 601   char *filename = NULL;
 602   struct string_map options;
 603
 604   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 605   GtkTreeModel *model = gtk_tree_view_get_model (window->overview);
 606
 607   GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
 608   GList *n = rows;
 609
 610   if ( n == NULL)
 611     return;
 612
 613   string_map_init (&options);
 614   filename = tempnam (NULL, NULL);
 615   string_map_insert (&options, "output-file", filename);
 616
 617   switch (info)
 618     {
 619     case SELECT_FMT_UTF8:
 620       utf8_box_chars (&options);
 621       /* fall-through */
 622
 623     case SELECT_FMT_TEXT:
 624       string_map_insert (&options, "format", "txt");
 625       break;
 626
 627     default:
 628       goto finish;
 629       break;
 630     }
 631
 632   driver = output_driver_create (&options);
 633   if (driver == NULL)
 634     goto finish;
 635
 636   while (n)
 637     {
 638       GtkTreePath *path = n->data ;
 639       GtkTreeIter iter;
 640       struct output_item *item ;
 641
 642       gtk_tree_model_get_iter (model, &iter, path);
 643       gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
 644
 645       driver->class->submit (driver, item);
 646
 647       n = n->next;
 648     }
 649
 650   driver->class->flush (driver);
 651
 652   if ( g_file_get_contents (filename, &text, &length, NULL) )
 653     {
 654       gtk_selection_data_set (selection_data, selection_data->target,
 655                               8,
 656                               (const guchar *) text, length);
 657     }
 658
 659  finish:
 660
 661   output_driver_destroy (driver);
 662   g_free (text);
 663
 664   unlink (filename);
 665   free (filename);
 666
 667   g_list_free (rows);
 668 }
 669
 670 static void
 671 clipboard_clear_cb (GtkClipboard *clipboard,
 672                     gpointer data)
 673 {
 674 }
 675
 676 static const GtkTargetEntry targets[] = {
 677
 678   { "STRING",        0, SELECT_FMT_TEXT },
 679   { "TEXT",          0, SELECT_FMT_TEXT },
 680   { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
 681   { "text/plain",    0, SELECT_FMT_TEXT },
 682
 683   { "UTF8_STRING",   0, SELECT_FMT_UTF8 },
 684   { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
 685
 686   /*
 687   { "text/html",     0, SELECT_FMT_HTML }
 688   */
 689 };
 690
 691 static void
 692 on_copy (PsppireOutputWindow *window)
 693 {
 694   {
 695     GtkClipboard *clipboard =
 696       gtk_widget_get_clipboard (GTK_WIDGET (window),
 697                                 GDK_SELECTION_CLIPBOARD);
 698
 699     if (!gtk_clipboard_set_with_data (clipboard, targets,
 700                                        G_N_ELEMENTS (targets),
 701                                        clipboard_get_cb, clipboard_clear_cb,
 702                                       window))
 703
 704       clipboard_clear_cb (clipboard, window);
 705   }
 706 }
 707
 708 static void
 709 on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
 710 {
 711   /* The Copy action is available only if there is something selected */
 712   gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
 713 }
 714
 715 static void
 716 psppire_output_window_init (PsppireOutputWindow *window)
 717 {
 718   GtkTreeViewColumn *column;
 719   GtkCellRenderer *renderer;
 720   GtkBuilder *xml;
 721   GtkAction *copy_action;
 722   GtkTreeSelection *sel;
 723
 724   xml = builder_new ("output-viewer.ui");
 725
 726   copy_action = get_action_assert (xml, "edit_copy");
 727
 728   gtk_action_set_sensitive (copy_action, FALSE);
 729
 730   g_signal_connect_swapped (copy_action, "activate", G_CALLBACK (on_copy), window);
 731
 732   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 733
 734   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 735   window->y = 0;
 736
 737   window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
 738
 739   sel = gtk_tree_view_get_selection (window->overview);
 740
 741   gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
 742
 743   g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change), copy_action);
 744
 745   gtk_tree_view_set_model (window->overview,
 746                            GTK_TREE_MODEL (gtk_tree_store_new (
 747                                              N_COLS,
 748                                              G_TYPE_STRING,  /* COL_TITLE */
 749                                              G_TYPE_POINTER, /* COL_ADDR */
 750                                              G_TYPE_LONG))); /* COL_Y */
 751
 752   window->in_command = false;
 753
 754   window->items = NULL;
 755   window->n_items = window->allocated_items = 0;
 756
 757   column = gtk_tree_view_column_new ();
 758   gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
 759   renderer = gtk_cell_renderer_text_new ();
 760   gtk_tree_view_column_pack_start (column, renderer, TRUE);
 761   gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
 762
 763   g_signal_connect (GTK_TREE_VIEW (window->overview),
 764                     "row-activated", G_CALLBACK (on_row_activate), window);
 765
 766   gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
 767                         &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 768
 769   connect_help (xml);
 770
 771   g_signal_connect (window,
 772                     "focus-in-event",
 773                     G_CALLBACK (cancel_urgency),
 774                     NULL);
 775
 776   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 777                     "activate",
 778                     G_CALLBACK (psppire_window_minimise_all),
 779                     NULL);
 780
 781   {
 782     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 783     merge_help_menu (uim);
 784
 785     PSPPIRE_WINDOW (window)->menu =
 786       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar/windows_menuitem/windows_minimise-all")->parent);
 787   }
 788
 789   g_signal_connect_swapped (get_action_assert (xml, "file_export"), "activate",
 790                             G_CALLBACK (psppire_output_window_export), window);
 791
 792
 793   g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate",
 794                             G_CALLBACK (psppire_output_window_print), window);
 795
 796   g_object_unref (xml);
 797
 798   g_signal_connect (window, "delete-event",
 799                     G_CALLBACK (on_delete), window);
 800 }
 801
 802
 803 GtkWidget*
 804 psppire_output_window_new (void)
 805 {
 806   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 807                                    "filename", "Output",
 808                                    "description", _("Output Viewer"),
 809                                    NULL));
 810 }
 811
 812
 813 \f
 814 static void
 815 create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
 816 {
 817   struct string_map options;
 818   GtkPageSetup *page_setup;
 819   double width, height;
 820   double left_margin;
 821   double right_margin;
 822   double top_margin;
 823   double bottom_margin;
 824
 825   page_setup = gtk_print_context_get_page_setup (context);
 826   width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
 827   height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
 828   left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
 829   right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
 830   top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
 831   bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
 832
 833   string_map_init (&options);
 834   string_map_insert_nocopy (&options, xstrdup ("paper-size"),
 835                             xasprintf("%.2fx%.2fmm", width, height));
 836   string_map_insert_nocopy (&options, xstrdup ("left-margin"),
 837                             xasprintf ("%.2fmm", left_margin));
 838   string_map_insert_nocopy (&options, xstrdup ("right-margin"),
 839                             xasprintf ("%.2fmm", right_margin));
 840   string_map_insert_nocopy (&options, xstrdup ("top-margin"),
 841                             xasprintf ("%.2fmm", top_margin));
 842   string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
 843                             xasprintf ("%.2fmm", bottom_margin));
 844
 845   window->print_xrd =
 846     xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
 847
 848   string_map_destroy (&options);
 849 }
 850
 851 static gboolean
 852 paginate (GtkPrintOperation *operation,
 853           GtkPrintContext   *context,
 854           PsppireOutputWindow *window)
 855 {
 856   if ( window->print_item < window->n_items )
 857     {
 858       xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
 859       if (xr_driver_need_new_page (window->print_xrd))
 860         {
 861           xr_driver_next_page (window->print_xrd, NULL);
 862           window->print_n_pages ++;
 863         }
 864       return FALSE;
 865     }
 866   else
 867     {
 868       gtk_print_operation_set_n_pages (operation, window->print_n_pages);
 869       window->print_item = 0;
 870       create_xr_print_driver (context, window);
 871       return TRUE;
 872     }
 873 }
 874
 875 static void
 876 begin_print (GtkPrintOperation *operation,
 877              GtkPrintContext   *context,
 878              PsppireOutputWindow *window)
 879 {
 880   create_xr_print_driver (context, window);
 881
 882   window->print_item = 0;
 883   window->print_n_pages = 1;
 884 }
 885
 886 static void
 887 end_print (GtkPrintOperation *operation,
 888            GtkPrintContext   *context,
 889            PsppireOutputWindow *window)
 890 {
 891   xr_driver_destroy (window->print_xrd);
 892 }
 893
 894
 895 static void
 896 draw_page (GtkPrintOperation *operation,
 897            GtkPrintContext   *context,
 898            gint               page_number,
 899            PsppireOutputWindow *window)
 900 {
 901   xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
 902   while ( window->print_item < window->n_items)
 903     {
 904       xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
 905       if ( xr_driver_need_new_page (window->print_xrd) )
 906           break;
 907     }
 908 }
 909
 910
 911 static void
 912 psppire_output_window_print (PsppireOutputWindow *window)
 913 {
 914   GtkPrintOperationResult res;
 915
 916   GtkPrintOperation *print = gtk_print_operation_new ();
 917
 918   if (window->print_settings != NULL)
 919     gtk_print_operation_set_print_settings (print, window->print_settings);
 920
 921   g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
 922   g_signal_connect (print, "end_print", G_CALLBACK (end_print),     window);
 923   g_signal_connect (print, "paginate", G_CALLBACK (paginate),       window);
 924   g_signal_connect (print, "draw_page", G_CALLBACK (draw_page),     window);
 925
 926   res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 927                                  GTK_WINDOW (window), NULL);
 928
 929   if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
 930     {
 931       if (window->print_settings != NULL)
 932         g_object_unref (window->print_settings);
 933       window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
 934
 935     }
 936
 937   g_object_unref (print);
 938 }