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   SELECT_FMT_ODT
 537 };
 538
 539
 540 static void
 541 insert_glyph (struct string_map *map, const char *opt, gunichar glyph)
 542 {
 543   char s[6] = {0,0,0,0,0,0};
 544
 545   g_unichar_to_utf8 (glyph, s);
 546   string_map_insert (map, opt, s);
 547 }
 548
 549 struct glyph_pair
 550 {
 551   gunichar glyph;
 552   char opt[10];
 553 };
 554
 555 struct glyph_pair table[] = {
 556   {0x250C, "box[1100]"},
 557   {0x2518, "box[0011]"},
 558   {0x2510, "box[0110]"},
 559   {0x2514, "box[1001]"},
 560   {0x2502, "box[0101]"},
 561   {0x2500, "box[1010]"},
 562   {0x2534, "box[1011]"},
 563   {0x252C, "box[1110]"},
 564   {0x2524, "box[0111]"},
 565   {0x251C, "box[1101]"},
 566   {0x253C, "box[1111]"},
 567
 568   {0x2501, "box[2020]"},
 569   {0x2503, "box[0202]"},
 570   {0x253F, "box[2121]"},
 571   {0x2542, "box[1212]"},
 572   {0x254B, "box[2222]"},
 573   {0x2525, "box[0121]"},
 574   {0x2530, "box[1210]"},
 575   {0x2538, "box[1012]"},
 576   {0x251D, "box[2101]"},
 577   {0x2537, "box[2021]"},
 578   {0x252F, "box[2120]"},
 579
 580   {0x250F, "box[2200]"},
 581   {0x251B, "box[0022]"},
 582   {0x2517, "box[2002]"},
 583   {0x2513, "box[0220]"},
 584
 585   {0x2528, "box[0212]"},
 586   {0x2520, "box[1202]"},
 587   {0x2533, "box[2220]"},
 588   {0x253B, "box[2022]"},
 589   {0x2519, "box[0021]"},
 590
 591   {0x2578, "box[0020]"},
 592   {0x257A, "box[2000]"},
 593
 594   {0x2523, "box[2202]"},
 595   {0x252B, "box[0222]"},
 596
 597   {0x2515, "box[2001]"},
 598 };
 599
 600
 601 static void
 602 utf8_box_chars (struct string_map *map)
 603 {
 604   int i;
 605   for (i = 0; i < sizeof (table) / sizeof (table[0]); ++i)
 606     {
 607       const struct glyph_pair *p = &table[i];
 608       insert_glyph (map, p->opt, p->glyph);
 609     }
 610 }
 611
 612
 613
 614 static void
 615 clipboard_get_cb (GtkClipboard     *clipboard,
 616                   GtkSelectionData *selection_data,
 617                   guint             info,
 618                   gpointer          data)
 619 {
 620   PsppireOutputWindow *window = data;
 621
 622   gsize length;
 623   gchar *text = NULL;
 624   struct output_driver *driver = NULL;
 625   char *filename = NULL;
 626   struct string_map options;
 627
 628   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 629   GtkTreeModel *model = gtk_tree_view_get_model (window->overview);
 630
 631   GList *rows = gtk_tree_selection_get_selected_rows (sel, &model);
 632   GList *n = rows;
 633
 634   if ( n == NULL)
 635     return;
 636
 637   string_map_init (&options);
 638   filename = tempnam (NULL, NULL);
 639   string_map_insert (&options, "output-file", filename);
 640
 641   switch (info)
 642     {
 643     case SELECT_FMT_UTF8:
 644       utf8_box_chars (&options);
 645       /* fall-through */
 646
 647     case SELECT_FMT_TEXT:
 648       string_map_insert (&options, "format", "txt");
 649       break;
 650
 651     case SELECT_FMT_HTML:
 652       string_map_insert (&options, "format", "html");
 653       break;
 654
 655     case SELECT_FMT_ODT:
 656       string_map_insert (&options, "format", "odt");
 657       break;
 658
 659     default:
 660       g_print ("unsupportted clip target\n");
 661       goto finish;
 662       break;
 663     }
 664
 665   driver = output_driver_create (&options);
 666   if (driver == NULL)
 667     goto finish;
 668
 669   while (n)
 670     {
 671       GtkTreePath *path = n->data ;
 672       GtkTreeIter iter;
 673       struct output_item *item ;
 674
 675       gtk_tree_model_get_iter (model, &iter, path);
 676       gtk_tree_model_get (model, &iter, COL_ADDR, &item, -1);
 677
 678       driver->class->submit (driver, item);
 679
 680       n = n->next;
 681     }
 682
 683   if ( driver->class->flush)
 684     driver->class->flush (driver);
 685
 686
 687   /* Some drivers (eg: the odt one) don't write anything until they
 688      are closed */
 689   output_driver_destroy (driver);
 690   driver = NULL;
 691
 692   if ( g_file_get_contents (filename, &text, &length, NULL) )
 693     {
 694       gtk_selection_data_set (selection_data, selection_data->target,
 695                               8,
 696                               (const guchar *) text, length);
 697     }
 698
 699  finish:
 700
 701   if (driver != NULL)
 702     output_driver_destroy (driver);
 703
 704   g_free (text);
 705
 706   unlink (filename);
 707   free (filename);
 708
 709   g_list_free (rows);
 710 }
 711
 712 static void
 713 clipboard_clear_cb (GtkClipboard *clipboard,
 714                     gpointer data)
 715 {
 716 }
 717
 718 static const GtkTargetEntry targets[] = {
 719
 720   { "STRING",        0, SELECT_FMT_TEXT },
 721   { "TEXT",          0, SELECT_FMT_TEXT },
 722   { "COMPOUND_TEXT", 0, SELECT_FMT_TEXT },
 723   { "text/plain",    0, SELECT_FMT_TEXT },
 724
 725   { "UTF8_STRING",   0, SELECT_FMT_UTF8 },
 726   { "text/plain;charset=utf-8", 0, SELECT_FMT_UTF8 },
 727
 728   { "text/html",     0, SELECT_FMT_HTML },
 729
 730   { "application/vnd.oasis.opendocument.text", 0, SELECT_FMT_ODT }
 731 };
 732
 733 static void
 734 on_copy (PsppireOutputWindow *window)
 735 {
 736   {
 737     GtkClipboard *clipboard =
 738       gtk_widget_get_clipboard (GTK_WIDGET (window),
 739                                 GDK_SELECTION_CLIPBOARD);
 740
 741     if (!gtk_clipboard_set_with_data (clipboard, targets,
 742                                        G_N_ELEMENTS (targets),
 743                                        clipboard_get_cb, clipboard_clear_cb,
 744                                       window))
 745
 746       clipboard_clear_cb (clipboard, window);
 747   }
 748 }
 749
 750 static void
 751 on_selection_change (GtkTreeSelection *sel, GtkAction *copy_action)
 752 {
 753   /* The Copy action is available only if there is something selected */
 754   gtk_action_set_sensitive (copy_action, gtk_tree_selection_count_selected_rows (sel) > 0);
 755 }
 756
 757 static void
 758 on_select_all (PsppireOutputWindow *window)
 759 {
 760   GtkTreeSelection *sel = gtk_tree_view_get_selection (window->overview);
 761   gtk_tree_view_expand_all (window->overview);
 762   gtk_tree_selection_select_all (sel);
 763 }
 764
 765
 766 static void
 767 psppire_output_window_init (PsppireOutputWindow *window)
 768 {
 769   GtkTreeViewColumn *column;
 770   GtkCellRenderer *renderer;
 771   GtkBuilder *xml;
 772   GtkAction *copy_action;
 773   GtkAction *select_all_action;
 774   GtkTreeSelection *sel;
 775
 776   xml = builder_new ("output-viewer.ui");
 777
 778   copy_action = get_action_assert (xml, "edit_copy");
 779   select_all_action = get_action_assert (xml, "edit_select-all");
 780
 781   gtk_action_set_sensitive (copy_action, FALSE);
 782
 783   g_signal_connect_swapped (copy_action, "activate", G_CALLBACK (on_copy), window);
 784
 785   g_signal_connect_swapped (select_all_action, "activate", G_CALLBACK (on_select_all), window);
 786
 787   gtk_widget_reparent (get_widget_assert (xml, "vbox1"), GTK_WIDGET (window));
 788
 789   window->output = GTK_LAYOUT (get_widget_assert (xml, "output"));
 790   window->y = 0;
 791
 792   window->overview = GTK_TREE_VIEW (get_widget_assert (xml, "overview"));
 793
 794   sel = gtk_tree_view_get_selection (window->overview);
 795
 796   gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
 797
 798   g_signal_connect (sel, "changed", G_CALLBACK (on_selection_change), copy_action);
 799
 800   gtk_tree_view_set_model (window->overview,
 801                            GTK_TREE_MODEL (gtk_tree_store_new (
 802                                              N_COLS,
 803                                              G_TYPE_STRING,  /* COL_TITLE */
 804                                              G_TYPE_POINTER, /* COL_ADDR */
 805                                              G_TYPE_LONG))); /* COL_Y */
 806
 807   window->in_command = false;
 808
 809   window->items = NULL;
 810   window->n_items = window->allocated_items = 0;
 811
 812   column = gtk_tree_view_column_new ();
 813   gtk_tree_view_append_column (GTK_TREE_VIEW (window->overview), column);
 814   renderer = gtk_cell_renderer_text_new ();
 815   gtk_tree_view_column_pack_start (column, renderer, TRUE);
 816   gtk_tree_view_column_add_attribute (column, renderer, "text", COL_TITLE);
 817
 818   g_signal_connect (GTK_TREE_VIEW (window->overview),
 819                     "row-activated", G_CALLBACK (on_row_activate), window);
 820
 821   gtk_widget_modify_bg (GTK_WIDGET (window->output), GTK_STATE_NORMAL,
 822                         &gtk_widget_get_style (GTK_WIDGET (window->output))->base[GTK_STATE_NORMAL]);
 823
 824   connect_help (xml);
 825
 826   g_signal_connect (window,
 827                     "focus-in-event",
 828                     G_CALLBACK (cancel_urgency),
 829                     NULL);
 830
 831   g_signal_connect (get_action_assert (xml,"windows_minimise-all"),
 832                     "activate",
 833                     G_CALLBACK (psppire_window_minimise_all),
 834                     NULL);
 835
 836   {
 837     GtkUIManager *uim = GTK_UI_MANAGER (get_object_assert (xml, "uimanager1", GTK_TYPE_UI_MANAGER));
 838     merge_help_menu (uim);
 839
 840     PSPPIRE_WINDOW (window)->menu =
 841       GTK_MENU_SHELL (gtk_ui_manager_get_widget (uim,"/ui/menubar/windows_menuitem/windows_minimise-all")->parent);
 842   }
 843
 844   g_signal_connect_swapped (get_action_assert (xml, "file_export"), "activate",
 845                             G_CALLBACK (psppire_output_window_export), window);
 846
 847
 848   g_signal_connect_swapped (get_action_assert (xml, "file_print"), "activate",
 849                             G_CALLBACK (psppire_output_window_print), window);
 850
 851   g_object_unref (xml);
 852
 853   g_signal_connect (window, "delete-event",
 854                     G_CALLBACK (on_delete), window);
 855 }
 856
 857
 858 GtkWidget*
 859 psppire_output_window_new (void)
 860 {
 861   return GTK_WIDGET (g_object_new (psppire_output_window_get_type (),
 862                                    "filename", "Output",
 863                                    "description", _("Output Viewer"),
 864                                    NULL));
 865 }
 866
 867
 868 \f
 869 static void
 870 create_xr_print_driver (GtkPrintContext *context, PsppireOutputWindow *window)
 871 {
 872   struct string_map options;
 873   GtkPageSetup *page_setup;
 874   double width, height;
 875   double left_margin;
 876   double right_margin;
 877   double top_margin;
 878   double bottom_margin;
 879
 880   page_setup = gtk_print_context_get_page_setup (context);
 881   width = gtk_page_setup_get_paper_width (page_setup, GTK_UNIT_MM);
 882   height = gtk_page_setup_get_paper_height (page_setup, GTK_UNIT_MM);
 883   left_margin = gtk_page_setup_get_left_margin (page_setup, GTK_UNIT_MM);
 884   right_margin = gtk_page_setup_get_right_margin (page_setup, GTK_UNIT_MM);
 885   top_margin = gtk_page_setup_get_top_margin (page_setup, GTK_UNIT_MM);
 886   bottom_margin = gtk_page_setup_get_bottom_margin (page_setup, GTK_UNIT_MM);
 887
 888   string_map_init (&options);
 889   string_map_insert_nocopy (&options, xstrdup ("paper-size"),
 890                             xasprintf("%.2fx%.2fmm", width, height));
 891   string_map_insert_nocopy (&options, xstrdup ("left-margin"),
 892                             xasprintf ("%.2fmm", left_margin));
 893   string_map_insert_nocopy (&options, xstrdup ("right-margin"),
 894                             xasprintf ("%.2fmm", right_margin));
 895   string_map_insert_nocopy (&options, xstrdup ("top-margin"),
 896                             xasprintf ("%.2fmm", top_margin));
 897   string_map_insert_nocopy (&options, xstrdup ("bottom-margin"),
 898                             xasprintf ("%.2fmm", bottom_margin));
 899
 900   window->print_xrd =
 901     xr_driver_create (gtk_print_context_get_cairo_context (context), &options);
 902
 903   string_map_destroy (&options);
 904 }
 905
 906 static gboolean
 907 paginate (GtkPrintOperation *operation,
 908           GtkPrintContext   *context,
 909           PsppireOutputWindow *window)
 910 {
 911   if ( window->print_item < window->n_items )
 912     {
 913       xr_driver_output_item (window->print_xrd, window->items[window->print_item++]);
 914       if (xr_driver_need_new_page (window->print_xrd))
 915         {
 916           xr_driver_next_page (window->print_xrd, NULL);
 917           window->print_n_pages ++;
 918         }
 919       return FALSE;
 920     }
 921   else
 922     {
 923       gtk_print_operation_set_n_pages (operation, window->print_n_pages);
 924       window->print_item = 0;
 925       create_xr_print_driver (context, window);
 926       return TRUE;
 927     }
 928 }
 929
 930 static void
 931 begin_print (GtkPrintOperation *operation,
 932              GtkPrintContext   *context,
 933              PsppireOutputWindow *window)
 934 {
 935   create_xr_print_driver (context, window);
 936
 937   window->print_item = 0;
 938   window->print_n_pages = 1;
 939 }
 940
 941 static void
 942 end_print (GtkPrintOperation *operation,
 943            GtkPrintContext   *context,
 944            PsppireOutputWindow *window)
 945 {
 946   xr_driver_destroy (window->print_xrd);
 947 }
 948
 949
 950 static void
 951 draw_page (GtkPrintOperation *operation,
 952            GtkPrintContext   *context,
 953            gint               page_number,
 954            PsppireOutputWindow *window)
 955 {
 956   xr_driver_next_page (window->print_xrd, gtk_print_context_get_cairo_context (context));
 957   while ( window->print_item < window->n_items)
 958     {
 959       xr_driver_output_item (window->print_xrd, window->items [window->print_item++]);
 960       if ( xr_driver_need_new_page (window->print_xrd) )
 961           break;
 962     }
 963 }
 964
 965
 966 static void
 967 psppire_output_window_print (PsppireOutputWindow *window)
 968 {
 969   GtkPrintOperationResult res;
 970
 971   GtkPrintOperation *print = gtk_print_operation_new ();
 972
 973   if (window->print_settings != NULL)
 974     gtk_print_operation_set_print_settings (print, window->print_settings);
 975
 976   g_signal_connect (print, "begin_print", G_CALLBACK (begin_print), window);
 977   g_signal_connect (print, "end_print", G_CALLBACK (end_print),     window);
 978   g_signal_connect (print, "paginate", G_CALLBACK (paginate),       window);
 979   g_signal_connect (print, "draw_page", G_CALLBACK (draw_page),     window);
 980
 981   res = gtk_print_operation_run (print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,
 982                                  GTK_WINDOW (window), NULL);
 983
 984   if (res == GTK_PRINT_OPERATION_RESULT_APPLY)
 985     {
 986       if (window->print_settings != NULL)
 987         g_object_unref (window->print_settings);
 988       window->print_settings = g_object_ref (gtk_print_operation_get_print_settings (print));
 989
 990     }
 991
 992   g_object_unref (print);
 993 }