src/plugins/pdf_viewer/poppler_viewer.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright(C) 1999-2007 the Claws Mail Team
   4  * This file Copyright (C) 2007 Salvatore De Paolis
   5  * <iwkse@claws-mail.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 3 of the License, or
  10  *(at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #  include "config.h"
  24 #include "claws-features.h"
  25 #endif
  26
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29
  30 #include "poppler_viewer.h"
  31 #include "printing.h"
  32 #include "prefs_common.h"
  33 #include "gtk/gtkutils.h"
  34 #include "mimeview.h"
  35 #ifndef POPPLER_WITH_GDK
  36 #include "stdbool.h"
  37 #endif
  38
  39 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo);
  40 static MimeViewerFactory pdf_viewer_factory;
  41
  42 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
  43                                 MimeInfo *partinfo);
  44
  45 static MimeViewer *pdf_viewer_create(void);
  46 static void pdf_viewer_clear(MimeViewer *_viewer);
  47 static void pdf_viewer_destroy(MimeViewer *_viewer);
  48 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num);
  49
  50 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer);
  51
  52 static void pdf_viewer_hide_index_pane(PdfViewer *viewer);
  53 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer);
  54 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y);
  55
  56 static void search_matches_free(PdfViewer *viewer);
  57 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
  58                                      const gchar *str, gboolean case_sens);
  59 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results);
  60 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width, double height, double zoom, gint rotate);
  61
  62 static char * pdf_viewer_get_document_format_data(GTime utime);
  63 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter);
  64 static void pdf_viewer_index_row_activated(GtkTreeView          *tree_view,
  65                                         GtkTreePath             *path,
  66                                         GtkTreeViewColumn       *column,
  67                                         gpointer                 data);
  68
  69 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer);
  70
  71 /* Callbacks */
  72 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer);
  73 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
  74 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
  75 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer);
  76 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer);
  77 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer);
  78 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer);
  79 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer);
  80 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer);
  81 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer);
  82 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer);
  83 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer);
  84 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer);
  85 /* Show/Hide the index pane */
  86 static void pdf_viewer_show_document_index_cb(GtkButton *button, PdfViewer *viewer);
  87 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer);
  88
  89 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show);
  90 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up);
  91 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up);
  92
  93 /** Claws-Mail Plugin functions*/
  94 gint plugin_init(gchar **error);
  95 const gchar *plugin_name(void);
  96 const gchar *plugin_desc(void);
  97 const gchar *plugin_type(void);
  98 const gchar *plugin_licence(void);
  99 const gchar *plugin_version(void);
 100 struct PluginFeature *plugin_provides(void);
 101
 102 #ifndef POPPLER_WITH_GDK
 103 static void
 104 copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
 105                               GdkPixbuf       *pixbuf)
 106 {
 107         int cairo_width, cairo_height, cairo_rowstride;
 108         unsigned char *pixbuf_data, *dst, *cairo_data;
 109         int pixbuf_rowstride, pixbuf_n_channels;
 110         unsigned int *src;
 111         int x, y;
 112
 113         cairo_width = cairo_image_surface_get_width (surface);
 114         cairo_height = cairo_image_surface_get_height (surface);
 115         cairo_rowstride = cairo_image_surface_get_stride (surface);
 116         cairo_data = cairo_image_surface_get_data (surface);
 117
 118         pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
 119         pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 120         pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
 121
 122         if (cairo_width > gdk_pixbuf_get_width (pixbuf))
 123                 cairo_width = gdk_pixbuf_get_width (pixbuf);
 124         if (cairo_height > gdk_pixbuf_get_height (pixbuf))
 125                 cairo_height = gdk_pixbuf_get_height (pixbuf);
 126         for (y = 0; y < cairo_height; y++) {
 127                 src = (unsigned int *) (cairo_data + y * cairo_rowstride);
 128                 dst = pixbuf_data + y * pixbuf_rowstride;
 129                 for (x = 0; x < cairo_width; x++) {
 130                         dst[0] = (*src >> 16) & 0xff;
 131                         dst[1] = (*src >> 8) & 0xff;
 132                         dst[2] = (*src >> 0) & 0xff;
 133                         if (pixbuf_n_channels == 4)
 134                                 dst[3] = (*src >> 24) & 0xff;
 135                         dst += pixbuf_n_channels;
 136                         src++;
 137                 }
 138         }
 139 }
 140 static void
 141 _poppler_page_render_to_pixbuf (PopplerPage *page,
 142                                 int src_x, int src_y,
 143                                 int src_width, int src_height,
 144                                 double scale,
 145                                 int rotation,
 146                                 gboolean printing,
 147                                 GdkPixbuf *pixbuf)
 148 {
 149         cairo_t *cr;
 150         cairo_surface_t *surface;
 151
 152         surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
 153                                         src_width, src_height);
 154         cr = cairo_create (surface);
 155         cairo_save (cr);
 156         switch (rotation) {
 157         case 90:
 158                 cairo_translate (cr, src_x + src_width, -src_y);
 159                 break;
 160         case 180:
 161                 cairo_translate (cr, src_x + src_width, src_y + src_height);
 162                 break;
 163         case 270:
 164                 cairo_translate (cr, -src_x, src_y + src_height);
 165                 break;
 166         default:
 167                 cairo_translate (cr, -src_x, -src_y);
 168         }
 169
 170         if (scale != 1.0)
 171                 cairo_scale (cr, scale, scale);
 172
 173         if (rotation != 0)
 174                 cairo_rotate (cr, rotation * G_PI / 180.0);
 175
 176         if (printing)
 177                 poppler_page_render_for_printing (page, cr);
 178         else
 179                 poppler_page_render (page, cr);
 180         cairo_restore (cr);
 181
 182         cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 183         cairo_set_source_rgb (cr, 1., 1., 1.);
 184         cairo_paint (cr);
 185
 186         cairo_destroy (cr);
 187
 188         copy_cairo_surface_to_pixbuf (surface, pixbuf);
 189         cairo_surface_destroy (surface);
 190 }
 191
 192 /**
 193  * poppler_page_render_to_pixbuf:
 194  * @page: the page to render from
 195  * @src_x: x coordinate of upper left corner
 196  * @src_y: y coordinate of upper left corner
 197  * @src_width: width of rectangle to render
 198  * @src_height: height of rectangle to render
 199  * @scale: scale specified as pixels per point
 200  * @rotation: rotate the document by the specified degree
 201  * @pixbuf: pixbuf to render into
 202  *
 203  * First scale the document to match the specified pixels per point,
 204  * then render the rectangle given by the upper left corner at
 205  * (src_x, src_y) and src_width and src_height.
 206  * This function is for rendering a page that will be displayed.
 207  * If you want to render a page that will be printed use
 208  * poppler_page_render_to_pixbuf_for_printing() instead
 209  *
 210  * Deprecated: 0.16
 211  **/
 212 static void
 213 poppler_page_render_to_pixbuf (PopplerPage *page,
 214                                int src_x, int src_y,
 215                                int src_width, int src_height,
 216                                double scale,
 217                                int rotation,
 218                                GdkPixbuf *pixbuf)
 219 {
 220         g_return_if_fail (POPPLER_IS_PAGE (page));
 221         g_return_if_fail (scale > 0.0);
 222         g_return_if_fail (pixbuf != NULL);
 223
 224         _poppler_page_render_to_pixbuf (page, src_x, src_y,
 225                                   src_width, src_height,
 226                                   scale, rotation,
 227                                   FALSE,
 228                                   pixbuf);
 229 }
 230 #endif
 231 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer)
 232 {
 233         PdfViewer *viewer = (PdfViewer *) _viewer;
 234         debug_print("pdf_viewer_get_widget: %p\n", viewer->vbox);
 235
 236         return GTK_WIDGET(viewer->vbox);
 237 }
 238 /** Hide the index panel */
 239 static void pdf_viewer_hide_index_pane(PdfViewer *viewer)
 240 {
 241         if (viewer->pdf_index) {
 242                 poppler_index_iter_free(viewer->pdf_index);
 243                 viewer->pdf_index = NULL;
 244                 gtk_widget_hide(GTK_WIDGET(viewer->frame_index));
 245         }
 246 }
 247
 248 static void search_matches_free(PdfViewer *viewer)
 249 {
 250         GList *cur;
 251         for(cur = viewer->text_found; cur; cur = cur->next) {
 252                 PageResult *res = (PageResult *)cur->data;
 253                 g_list_free(res->results);
 254                 g_free(res);
 255         }
 256         g_list_free(viewer->text_found);
 257         viewer->text_found = NULL;
 258         g_free(viewer->last_search);
 259         viewer->last_search = NULL;
 260         if (viewer->last_rect && viewer->last_page_result) {
 261                 viewer->last_rect = NULL;
 262                 viewer->last_page_result = NULL;
 263                 pdf_viewer_update((MimeViewer *)viewer,
 264                         FALSE,
 265                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 266         }
 267 }
 268
 269 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y)
 270 {
 271         GtkAdjustment *vadj;
 272         GtkAdjustment *hadj;
 273         vadj = gtk_scrolled_window_get_vadjustment(
 274                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 275
 276         if (y < vadj->value) {
 277                 vadj->value = y;
 278         }
 279         else {
 280                 while(y > vadj->value + vadj->page_size) {
 281                         vadj->value += vadj->page_size;
 282                 }
 283         }
 284
 285         hadj = gtk_scrolled_window_get_hadjustment(
 286                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 287
 288         if (x < hadj->value) {
 289                 hadj->value = x;
 290         }
 291         else {
 292                 while(x > hadj->value + hadj->page_size) {
 293                         hadj->value += hadj->page_size;
 294                 }
 295         }
 296
 297         g_signal_emit_by_name(G_OBJECT(hadj), "value-changed", 0);
 298         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 299 }
 300 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width,
 301                                    double height, double zoom, gint rotate)
 302 {
 303         GdkPixbuf *pb;
 304
 305         debug_print("width: %f\n", width);
 306         pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 307                                 FALSE, 8,
 308                                 (int)(width * zoom),
 309                                 (int)(height * zoom));
 310
 311                         poppler_page_render_to_pixbuf(page, 0, 0,
 312                                 (int)(width * zoom),
 313                                 (int)(height * zoom),
 314                                 zoom, rotate, pb);
 315
 316                         gtk_image_set_from_pixbuf(GTK_IMAGE(view), pb);
 317                         g_object_unref(G_OBJECT(pb));
 318 }
 319 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results)
 320 {
 321         gint selw, selh;
 322         double width_points, height_points;
 323         gint width, height;
 324         GdkPixbuf *sel_pb, *page_pb;
 325         gfloat x1, x2, y1, y2;
 326
 327
 328         gint cur_page_num =
 329                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
 330
 331         viewer->last_match = viewer->res_cnt;
 332
 333         viewer->last_rect = NULL;
 334         viewer->last_page_result = NULL;
 335         if (cur_page_num != page_results->page_num) {
 336                 /* we changed page. update the view */
 337                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 338         (gdouble) page_results->page_num);
 339         }
 340
 341         viewer->last_rect = rect;
 342         viewer->last_page_result = page_results;
 343
 344         GTK_EVENTS_FLUSH();
 345
 346         poppler_page_get_size(POPPLER_PAGE(viewer->pdf_page), &width_points, &height_points);
 347         width = (int)((width_points * viewer->zoom) + 0.5);
 348         height = (int)((height_points * viewer->zoom) + 0.5);
 349
 350         if (viewer->rotate == 90) {
 351                 x1 = MIN(rect->y1,rect->y2) * viewer->zoom;
 352                 x2 = MAX(rect->y1,rect->y2) * viewer->zoom;
 353                 y1 = MAX(rect->x1,rect->x2) * viewer->zoom;
 354                 y2 = MIN(rect->x1,rect->x2) * viewer->zoom;
 355                 selw = (x2 - x1);
 356                 selh = (y1 - y2);
 357
 358         } else if (viewer->rotate == 180) {
 359                 x1 = width - rect->x2 * viewer->zoom;
 360                 x2 = width - rect->x1 * viewer->zoom;
 361                 y1 = height - rect->y2 * viewer->zoom;
 362                 y2 = height - rect->y1 * viewer->zoom;
 363                 selw = (x2 - x1);
 364                 selh = (y2 - y1);
 365                 y1 = height - y1;
 366                 y2 = height - y2;
 367
 368         } else if (viewer->rotate == 270) {
 369                 x1 = height - MAX(rect->y1,rect->y2) * viewer->zoom;
 370                 x2 = height - MIN(rect->y1,rect->y2) * viewer->zoom;
 371                 y1 = width - MIN(rect->x1,rect->x2) * viewer->zoom;
 372                 y2 = width - MAX(rect->x1,rect->x2) * viewer->zoom;
 373                 selw = (x2 - x1);
 374                 selh = (y1 - y2);
 375         } else {
 376                 x1 = rect->x1 * viewer->zoom;
 377                 x2 = rect->x2 * viewer->zoom;
 378                 y1 = rect->y1 * viewer->zoom;
 379                 y2 = rect->y2 * viewer->zoom;
 380                 selw = (x2 - x1);
 381                 selh = (y2 - y1);
 382                 y1 = height - y1;
 383                 y2 = height - y2;
 384         }
 385
 386         sel_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
 387                                                         selw, selh);
 388
 389         gdk_pixbuf_fill(sel_pb, SELECTION_COLOR);
 390
 391         page_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 392                                         FALSE, 8,
 393                                 (int)(viewer->width * viewer->zoom),
 394                                 (int)(viewer->height * viewer->zoom));
 395
 396         poppler_page_render_to_pixbuf(viewer->pdf_page,
 397                                         0,
 398                                         0,
 399                                 (int)(viewer->width * viewer->zoom),
 400                                 (int)(viewer->height * viewer->zoom),
 401                                         viewer->zoom,
 402                                         viewer->rotate,
 403                                         page_pb);
 404
 405         gdk_pixbuf_composite(sel_pb, page_pb,
 406                                         x1, y2, selw, selh, 0, 0,
 407                                         viewer->zoom, viewer->zoom,
 408                                         GDK_INTERP_BILINEAR, ALPHA_CHANNEL);
 409
 410         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), page_pb);
 411
 412         pdf_viewer_scroll_to(viewer, MIN(x1,x2), MIN(y1,y2));
 413
 414         g_object_unref(G_OBJECT(sel_pb));
 415         g_object_unref(G_OBJECT(page_pb));
 416
 417 }
 418
 419 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
 420                                      const gchar *str, gboolean case_sens)
 421 {
 422         PdfViewer *viewer = (PdfViewer *)_viewer;
 423         GList *all_pages_results, *cur_page_results;
 424         viewer->res_cnt = 0;
 425
 426         debug_print("pdf_viewer_text_search: %s\n", str);
 427         main_window_cursor_wait(mainwindow_get_mainwindow());
 428
 429         if (viewer->last_search && strcmp(str, viewer->last_search)) {
 430                 search_matches_free(viewer);
 431                 viewer->last_match = -1;
 432                 viewer->num_matches = 0;
 433         } else if (!viewer->last_search) {
 434                 viewer->last_match = -1;
 435                 viewer->num_matches = 0;
 436         }
 437         /* It's a new search, build list of matches
 438          * across all pages */
 439         if (viewer->last_match == -1) {
 440                 gint i;
 441
 442                 for(i = 1; i <= viewer->num_pages; i++) {
 443
 444                         PopplerPage *pdf_page = poppler_document_get_page(viewer->pdf_doc, i - 1);
 445                         viewer->page_results = poppler_page_find_text(pdf_page, str);
 446
 447                         if (viewer->page_results != NULL) {
 448                                 debug_print("page_results %p\n", viewer->page_results);
 449                                 /* store results for this page */
 450                                 gint num_res = 0;
 451                                 PageResult *res = g_new0(PageResult, 1);
 452                                 res->results = viewer->page_results;
 453                                 res->page_num = i;
 454                                 /* found text, prepend this page(faster than append) */
 455                                 viewer->text_found = g_list_prepend(viewer->text_found, res);
 456                                 num_res = g_list_length(viewer->page_results);
 457                                 debug_print("%d results on page %d\n", num_res, i);
 458                                 viewer->num_matches += num_res;
 459                         }
 460                         g_object_unref(G_OBJECT(pdf_page));
 461                 }
 462
 463                 if (viewer->text_found == NULL) {
 464                         main_window_cursor_normal(mainwindow_get_mainwindow());
 465                         return FALSE;
 466                 }
 467                 /* put back the list in the correct order */
 468                 viewer->text_found = g_list_reverse(viewer->text_found);
 469         }
 470
 471         if (!viewer->text_found) {
 472                 main_window_cursor_normal(mainwindow_get_mainwindow());
 473                 return FALSE;
 474         } else {
 475                 viewer->last_search = g_strdup(str);
 476         }
 477
 478         if (backward) {
 479                 /* if backward, we have to initialize stuff to search
 480                  * from the end */
 481                 viewer->res_cnt = viewer->num_matches-1;
 482                 if (viewer->last_match == -1) {
 483                         viewer->last_match = viewer->num_matches+1;
 484                 }
 485                 all_pages_results = g_list_last(viewer->text_found);
 486         }
 487         else {
 488                 all_pages_results = viewer->text_found;
 489         }
 490
 491         for(; all_pages_results; all_pages_results = (backward?all_pages_results->prev:all_pages_results->next)) {
 492
 493                 PageResult * page_results = (PageResult *)all_pages_results->data;
 494
 495                 if (backward) {
 496                         cur_page_results = g_list_last(page_results->results);
 497                 }
 498                 else {
 499                         cur_page_results = page_results->results;
 500                 }
 501
 502                 for(; cur_page_results; cur_page_results = (backward?cur_page_results->prev:cur_page_results->next)) {
 503
 504                         gboolean valid = FALSE;
 505                         /* first valid result is the last+1 if searching
 506                          * forward, last-1 if searching backward */
 507                         if (backward) {
 508                                 valid = (viewer->res_cnt < viewer->last_match);
 509                         }
 510                         else {
 511                                 valid = (viewer->res_cnt > viewer->last_match);
 512                         }
 513                         if (valid) {
 514                                 pdf_viewer_render_selection(viewer,
 515                                         (PopplerRectangle *)cur_page_results->data,
 516                                                 page_results);
 517                                 main_window_cursor_normal(mainwindow_get_mainwindow());
 518                                 return TRUE;
 519                         }
 520
 521                         if (backward) {
 522                                 viewer->res_cnt--;
 523                         }
 524                         else {
 525                                 viewer->res_cnt++;
 526                         }
 527                 }
 528         }
 529         main_window_cursor_normal(mainwindow_get_mainwindow());
 530         search_matches_free(viewer);
 531         return FALSE;
 532 }
 533
 534 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter)
 535 {
 536         PopplerAction *action;
 537         PopplerIndexIter *child;
 538         GtkTreeIter childiter;
 539
 540         debug_print("get document index\n");
 541         do      {
 542                 gint page_num = 0;
 543
 544                 action = poppler_index_iter_get_action(index_iter);
 545
 546                 if (action->type != POPPLER_ACTION_GOTO_DEST) {
 547                         poppler_action_free(action);
 548                         continue;
 549                 }
 550
 551                 if (action->goto_dest.dest->type == POPPLER_DEST_XYZ || action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 552                         page_num = action->goto_dest.dest->page_num;
 553                 }
 554 #ifdef HAVE_POPPLER_DEST_NAMED
 555                 else if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 556                         PopplerDest *dest = poppler_document_find_dest(
 557                                         viewer->pdf_doc, action->goto_dest.dest->named_dest);
 558                         if (dest->type != POPPLER_DEST_XYZ) {
 559                                 g_warning("couldn't figure out link\n");
 560                                 poppler_dest_free(dest);
 561                                 continue;
 562                         }
 563                         page_num = dest->page_num;
 564                         poppler_dest_free(dest);
 565                 }
 566 #endif
 567                 else {
 568 #ifdef HAVE_POPPLER_DEST_NAMED
 569                         g_warning("unhandled link type %d\nplease contact developers\n", action->goto_dest.dest->type);
 570 #else
 571                         g_warning("unhandled link type %d\nplease upgrade libpoppler-glib to 0.5.4\n", action->goto_dest.dest->type);
 572 #endif
 573                         continue;
 574                 }
 575                 gtk_tree_store_append(GTK_TREE_STORE(viewer->index_model), &childiter, parentiter);
 576                 gtk_tree_store_set(GTK_TREE_STORE(viewer->index_model), &childiter,
 577                                                 INDEX_NAME, action->named.title,
 578                                                 INDEX_PAGE, page_num,
 579                                                 INDEX_TOP, action->goto_dest.dest->top,
 580                                                 -1);
 581                 poppler_action_free(action);
 582                 child = poppler_index_iter_get_child(index_iter);
 583                 if (child) {
 584                         pdf_viewer_get_document_index(viewer, child, &childiter);
 585                         poppler_index_iter_free(child);
 586                 }
 587         }
 588         while(poppler_index_iter_next(index_iter));
 589 }
 590
 591 static void pdf_viewer_index_row_activated(GtkTreeView          *tree_view,
 592                                         GtkTreePath             *path,
 593                                         GtkTreeViewColumn       *column,
 594                                         gpointer                 data)
 595 {
 596         GtkTreeIter iter;
 597         GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
 598         PdfViewer *viewer = (PdfViewer *)data;
 599         gint page_num = 0;
 600
 601         debug_print("index_row_activated\n");
 602         if (!gtk_tree_model_get_iter(model, &iter, path)) return;
 603
 604         gtk_tree_model_get(model, &iter,
 605                            INDEX_PAGE, &page_num,
 606                            -1);
 607
 608         if (page_num > 0) {
 609                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),(gdouble)page_num);
 610                 debug_print("Page num: %d\n", page_num);
 611         }
 612         GTK_EVENTS_FLUSH();
 613 }
 614
 615 /** Disable the index button if the document doesn't have an index */
 616 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer)
 617 {
 618         viewer->pdf_index  = poppler_index_iter_new(viewer->pdf_doc);
 619         if (viewer->pdf_index) {
 620                 if (!gtk_widget_is_sensitive(viewer->doc_index)) {
 621                         gtk_widget_set_sensitive(viewer->doc_index, TRUE);
 622                 }
 623         }
 624         else {
 625                 gtk_widget_set_sensitive(viewer->doc_index, FALSE);
 626         }
 627
 628     poppler_index_iter_free(viewer->pdf_index);
 629     viewer->pdf_index = NULL;
 630 }
 631
 632 static char * pdf_viewer_get_document_format_data(GTime utime)
 633 {
 634         time_t time = (time_t) utime;
 635         struct tm t;
 636         char s[256];
 637         const char *fmt_hack = "%c";
 638         size_t len;
 639
 640         if (time == 0 || !localtime_r(&time, &t)) return NULL;
 641
 642         len = strftime(s, sizeof(s), fmt_hack, &t);
 643
 644         if (len == 0 || s[0] == '\0') return NULL;
 645
 646         return g_locale_to_utf8(s, -1, NULL, NULL, NULL);
 647 }
 648
 649 #define ADD_TO_TABLE(LABEL, VALUE) \
 650         label = gtk_label_new(LABEL); \
 651         gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5); \
 652         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 653         gtk_table_attach(viewer->table_doc_info, label, 0, 1, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 654         \
 655         label = gtk_label_new(VALUE); \
 656         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); \
 657         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 658         gtk_table_attach(viewer->table_doc_info, label, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 659         row++;
 660
 661
 662 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer)
 663 {
 664         GtkWidget *label;
 665         const gchar *title, *format, *author, *subject, *keywords, *creator, *producer;
 666         gboolean linearized;
 667         gchar *tmp;
 668         gint row = 0;
 669
 670         GTime creation_date, mod_date;
 671
 672         PopplerPageLayout layout;
 673         PopplerPageMode mode;
 674         PopplerPermissions permissions;
 675         PopplerViewerPreferences view_prefs;
 676
 677         title = format = author = subject = keywords = creator = producer = tmp = 0;
 678
 679         g_object_get(viewer->pdf_doc,
 680                                 "title", &title,
 681                                 "format", &format,
 682                                 "author", &author,
 683                                 "subject", &subject,
 684                                 "keywords", &keywords,
 685                                 "creation-date", &creation_date,
 686                                 "permissions", &permissions,
 687                                 "mod-date", &mod_date,
 688                                 "creator", &creator,
 689                                 "producer", &producer,
 690                                 "linearized", &linearized,
 691                                 "page-mode", &mode,
 692                                 "page-layout", &layout,
 693                                 "viewer-preferences", &view_prefs,
 694                                 NULL);
 695
 696         viewer->table_doc_info = GTK_TABLE(gtk_table_new(13, 2, FALSE));
 697
 698         ADD_TO_TABLE(_("Filename:"), viewer->target_filename)
 699         ADD_TO_TABLE(_("Size:"), to_human_readable(viewer->to_load->length))
 700         ADD_TO_TABLE(NULL, NULL)
 701         ADD_TO_TABLE(_("Title:"), title)
 702         ADD_TO_TABLE(_("Subject:"), subject)
 703         ADD_TO_TABLE(_("Author:"), author)
 704         ADD_TO_TABLE(_("Keywords:"), keywords)
 705         ADD_TO_TABLE(_("Creator:"), creator)
 706         ADD_TO_TABLE(_("Producer:"), producer)
 707
 708         tmp = pdf_viewer_get_document_format_data(creation_date);
 709         ADD_TO_TABLE(_("Created:"), tmp)
 710         g_free(tmp);
 711
 712         tmp = pdf_viewer_get_document_format_data(mod_date);
 713         ADD_TO_TABLE(_("Modified:"), tmp)
 714         g_free(tmp);
 715
 716         ADD_TO_TABLE(_("Format:"), format)
 717         if (linearized) {
 718                 ADD_TO_TABLE(_("Optimized:"), _("Yes"))
 719         }
 720         else {
 721                 ADD_TO_TABLE(_("Optimized:"), _("No"))
 722         }
 723         //ADD_TO_TABLE(_("Page Mode:"), pdf_viewer_get_document_info_mode(mode))
 724         //ADD_TO_TABLE(_("Page Layout:"), pdf_viewer_get_document_info_layout(layout))
 725
 726         return(GtkTable *) viewer->table_doc_info;
 727 }
 728 #undef ADD_TO_TABLE
 729
 730 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo)
 731 {
 732         gchar *content_type = NULL;
 733         FileType type = TYPE_UNKNOWN;
 734         debug_print("mimepart_get_type\n");
 735         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 736         (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 737
 738                 const gchar *filename;
 739
 740                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 741
 742                         if (filename == NULL)
 743                                 filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 744                         if (filename != NULL)
 745                                 content_type = procmime_get_mime_type(filename);
 746         }
 747         else {
 748                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 749         }
 750
 751         if (content_type == NULL) type = TYPE_UNKNOWN;
 752         else if (!strcmp(content_type, "application/pdf")) type = TYPE_PDF;
 753         else if (!strcmp(content_type, "application/postscript")) type = TYPE_PS;
 754         else type = TYPE_UNKNOWN;
 755
 756         g_free(content_type);
 757         return type;
 758 }
 759
 760 /* Callbacks */
 761 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer)
 762 {
 763
 764         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
 765 }
 766
 767 static void pdf_viewer_button_prev_page_cb(GtkButton *button, PdfViewer *viewer)
 768 {
 769
 770         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
 771 }
 772
 773 static void pdf_viewer_button_next_page_cb(GtkButton *button, PdfViewer *viewer)
 774 {
 775
 776         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
 777 }
 778
 779 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer)
 780 {
 781
 782         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_END, 1);
 783 }
 784
 785 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer)
 786 {
 787         pdf_viewer_update((MimeViewer *)viewer,
 788                         FALSE,
 789                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 790 }
 791
 792 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer)
 793 {
 794
 795         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_FORWARD, ZOOM_FACTOR);
 796 }
 797
 798 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer)
 799 {
 800         viewer->zoom = gtk_spin_button_get_value(GTK_SPIN_BUTTON(viewer->zoom_scroll));
 801         pdf_viewer_update((MimeViewer *)viewer,
 802                         FALSE,
 803                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 804 }
 805
 806 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer)
 807 {
 808
 809         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_BACKWARD, ZOOM_FACTOR);
 810
 811 }
 812
 813 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 814 {
 815         gchar *uri;
 816         #ifdef HAVE_POPPLER_DEST_NAMED
 817         PopplerDest *dest;
 818         #endif
 819         static GdkCursor *hand_cur = NULL;
 820
 821         if (!hand_cur) hand_cur = gdk_cursor_new(GDK_FLEUR);
 822
 823         /* Execute Poppler Links */
 824         if (event->button == 1 && viewer->in_link) {
 825                 switch (viewer->link_action->type) {
 826                 case POPPLER_ACTION_UNKNOWN:
 827                         debug_print("action unknown\n");
 828                         break;
 829                 case POPPLER_ACTION_GOTO_DEST:
 830                         if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_XYZ ||
 831                                         viewer->link_action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 832                                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 833                                                                           (gdouble)viewer->link_action->goto_dest.dest->page_num);
 834                         }
 835                 #ifdef HAVE_POPPLER_DEST_NAMED
 836                         else if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 837                                 dest = poppler_document_find_dest(
 838                                         viewer->pdf_doc, viewer->link_action->goto_dest.dest->named_dest);
 839                         if (dest->type != POPPLER_DEST_XYZ) {
 840                                 g_warning("couldn't figure out link\n");
 841                                 poppler_dest_free(dest);
 842                                 break;
 843                         }
 844                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 845                                                                           (gdouble)dest->page_num);
 846                         poppler_dest_free(dest);
 847                 }
 848                 #endif
 849                         break;
 850                 case POPPLER_ACTION_GOTO_REMOTE:
 851                         #ifdef HAVE_POPPLER_DEST_NAMED
 852                         dest = poppler_document_find_dest(
 853                                         viewer->pdf_doc, viewer->link_action->goto_remote.dest->named_dest);
 854                         if (dest->type != POPPLER_DEST_XYZ) {
 855                                 g_warning ("couldn't figure out link\n");
 856                                 poppler_dest_free(dest);
 857                                 break;
 858                         }
 859                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 860                                                                           (gdouble)dest->page_num);
 861                         poppler_dest_free(dest);
 862                         #endif
 863                         break;
 864                 case POPPLER_ACTION_LAUNCH:
 865                         debug_print("action launch not yet implemented\n");
 866                         break;
 867                 case POPPLER_ACTION_URI:
 868                         uri = g_strdup(viewer->link_action->uri.uri);
 869                         if (!g_ascii_strncasecmp(uri, "mailto:", 7))
 870                                 compose_new(NULL, uri + 7, NULL);
 871                         else
 872                                 open_uri(uri, prefs_common_get_uri_cmd());
 873                         g_free(uri);
 874                         break;
 875                 case POPPLER_ACTION_NAMED:
 876                         debug_print("action named not yet implemented\n");
 877                         break;
 878                 case POPPLER_ACTION_NONE:
 879                         debug_print("action none does nothing, surprise!\n");
 880                         break;
 881 #if POPPLER_CHECK_VERSION(0,14,0)
 882                 case POPPLER_ACTION_MOVIE:
 883                         debug_print("yoyoyo ;-) a movie?\n");
 884                         break;
 885                 case POPPLER_ACTION_RENDITION:
 886                         debug_print("yoyoyo ;-) multimedia?\n");
 887                         break;
 888                 case POPPLER_ACTION_OCG_STATE:
 889                         debug_print("yoyoyo ;-) layer state?\n");
 890                         break;
 891 #if POPPLER_CHECK_VERSION(0,18,0)
 892                 case POPPLER_ACTION_JAVASCRIPT:
 893                         debug_print("yoyoyo ;-) javascript?\n");
 894                         break;
 895 #endif /* 0.18 */
 896 #endif /* 0.14 */
 897                 }
 898                 if (((MimeViewer *)viewer)->mimeview &&
 899                         ((MimeViewer *)viewer)->mimeview->messageview &&
 900                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 901                         ((MimeViewer *)viewer)->mimeview->messageview->window->window)
 902                         gdk_window_set_cursor (((MimeViewer *)viewer)->mimeview->messageview->window->window, NULL);
 903                 else
 904                         gdk_window_set_cursor (mainwindow_get_mainwindow()->window->window, NULL);
 905         }
 906
 907         /* Init document to be scrolled with left mouse click */
 908         if (event->button == 1 && !viewer->in_link) {
 909                 viewer->pdf_view_scroll = TRUE;
 910                 if (((MimeViewer *)viewer)->mimeview &&
 911                         ((MimeViewer *)viewer)->mimeview->messageview &&
 912                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 913                         ((MimeViewer *)viewer)->mimeview->messageview->window->window)
 914                         gdk_window_set_cursor (((MimeViewer *)viewer)->mimeview->messageview->window->window, hand_cur);
 915                 else
 916                         gdk_window_set_cursor (mainwindow_get_mainwindow()->window->window, hand_cur);
 917
 918                 viewer->last_x = event->x;
 919                 viewer->last_y = event->y;
 920                 viewer->last_dir_x = 0;
 921                 viewer->last_dir_y = 0;
 922         }
 923 }
 924 /* Set the normal cursor*/
 925 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 926 {
 927
 928         if (event->button == 1) {
 929                 viewer->pdf_view_scroll = FALSE;
 930                 if (((MimeViewer *)viewer)->mimeview &&
 931                         ((MimeViewer *)viewer)->mimeview->messageview &&
 932                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 933                         ((MimeViewer *)viewer)->mimeview->messageview->window->window)
 934                         gdk_window_set_cursor (((MimeViewer *)viewer)->mimeview->messageview->window->window, NULL);
 935                 else
 936                         gdk_window_set_cursor (mainwindow_get_mainwindow()->window->window, NULL);
 937         }
 938 }
 939
 940 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer)
 941 {
 942         /* Grab the document and scroll it with mouse */
 943         if (viewer->pdf_view_scroll) {
 944
 945                 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 946                 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 947
 948                         if (event->x < viewer->last_x
 949                                         && viewer->pdf_view_hadj->value < (viewer->pdf_view_hadj->upper - viewer->pdf_view_hadj->page_size)) {
 950                                 if (viewer->last_dir_x == -1) {
 951                                         viewer->pdf_view_hadj->value += viewer->last_x - event->x;
 952                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 953                                                                 "value_changed", 0);
 954                                 }
 955                                 viewer->last_dir_x = -1;
 956                         }
 957                         else if (event->x > viewer->last_x
 958                                         && viewer->pdf_view_hadj->value > 0.0)  {
 959                                 if (viewer->last_dir_x == +1) {
 960                                         viewer->pdf_view_hadj->value += viewer->last_x - event->x;
 961                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 962                                                                 "value_changed", 0);
 963                                 }
 964                                 viewer->last_dir_x = +1;
 965                         }
 966
 967                         if (event->y < viewer->last_y
 968                                         && viewer->pdf_view_vadj->value < (viewer->pdf_view_vadj->upper - viewer->pdf_view_vadj->page_size)) {
 969                                 if (viewer->last_dir_y == -1) {
 970                                         viewer->pdf_view_vadj->value += viewer->last_y - event->y;
 971                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
 972                                                                 "value_changed", 0);
 973                                 }
 974                                 viewer->last_dir_y = -1;
 975                         }
 976                         else if (event->y > viewer->last_y
 977                                         && viewer->pdf_view_vadj->value > 0.0)  {
 978                                 if (viewer->last_dir_y == +1) {
 979                                         viewer->pdf_view_vadj->value += viewer->last_y - event->y;
 980                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
 981                                                                 "value_changed", 0);
 982                                 }
 983                                 viewer->last_dir_y = +1;
 984                         }
 985                         viewer->last_x = event->x;
 986                         viewer->last_y = event->y;
 987                         GTK_EVENTS_FLUSH();
 988                 }
 989         else {
 990         /* Link Mapping */
 991         static GList *l;
 992         static GdkCursor *link_cur = NULL;
 993         static GtkRequisition size;
 994         static gdouble x,y, x1, y1, x2, y2;
 995         gboolean ccur;
 996
 997         viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 998         viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 999
1000         if (!link_cur) link_cur = gdk_cursor_new(GDK_HAND2);
1001
1002         ccur = FALSE;
1003         viewer->in_link = FALSE;
1004         for (l = viewer->link_map; l; l = g_list_next (l)) {
1005                 PopplerLinkMapping *lmapping;
1006                 lmapping = (PopplerLinkMapping *)l->data;
1007
1008                 x1 = lmapping->area.x1;
1009                 y1 = lmapping->area.y1;
1010                 x2 = lmapping->area.x2;
1011                 y2 = lmapping->area.y2;
1012                 gtk_widget_size_request(viewer->pdf_view, &size);
1013
1014                 switch (viewer->rotate) {
1015                 case 0:
1016                 case 360:
1017                                 if (size.width != viewer->pdf_view_hadj->upper)
1018                                         x = (event->x - (viewer->pdf_view_hadj->upper - size.width) / 2) / viewer->zoom;
1019                                 else
1020                                         x = event->x / viewer->zoom;
1021
1022                                 y = (viewer->pdf_view_vadj->upper - event->y) / viewer->zoom;
1023                         break;
1024                 case 90:
1025                                 if (size.width != viewer->pdf_view_hadj->upper)
1026                                         y = (event->x - (viewer->pdf_view_hadj->upper - size.width) / 2) / viewer->zoom;
1027                                 else
1028                                         y = event->x / viewer->zoom;
1029
1030                                 x = (event->y) / viewer->zoom;
1031                         break;
1032                 case 180:
1033                                 if (size.width != viewer->pdf_view_hadj->upper)
1034                                         x = ((viewer->pdf_view_hadj->upper -  event->x) - ((viewer->pdf_view_hadj->upper - size.width) / 2)) / viewer->zoom;
1035                                 else
1036                                         x =  ((viewer->pdf_view_hadj->upper -  event->x) - (viewer->pdf_view_hadj->upper - size.width)) / viewer->zoom;
1037
1038                                 y = (event->y) / viewer->zoom;
1039                         break;
1040                 case 270:
1041                                 if (size.width != viewer->pdf_view_hadj->upper)
1042                                         y = ((viewer->pdf_view_hadj->upper -  event->x) - ((viewer->pdf_view_hadj->upper - size.width) / 2)) / viewer->zoom;
1043                                 else
1044                                         y =  ((viewer->pdf_view_hadj->upper -  event->x) - (viewer->pdf_view_hadj->upper - size.width)) / viewer->zoom;
1045
1046                                 x = (viewer->pdf_view_vadj->upper - event->y) / viewer->zoom;
1047                         break;
1048                 }
1049
1050                 if ( (x > x1 && x < x2) && (y > y1 && y < y2) ) {
1051                                 viewer->in_link = TRUE;
1052                         if (((MimeViewer *)viewer)->mimeview &&
1053                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1054                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1055                                 ((MimeViewer *)viewer)->mimeview->messageview->window->window)
1056                                         gdk_window_set_cursor (((MimeViewer *)viewer)->mimeview->messageview->window->window, link_cur);
1057                                 else
1058                                         gdk_window_set_cursor (mainwindow_get_mainwindow()->window->window, link_cur);
1059
1060                                 viewer->link_action = lmapping->action;
1061                                 ccur = TRUE;
1062                 }
1063                 if (!ccur) {
1064                         if (((MimeViewer *)viewer)->mimeview &&
1065                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1066                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1067                                 ((MimeViewer *)viewer)->mimeview->messageview->window->window)
1068                                 gdk_window_set_cursor (((MimeViewer *)viewer)->mimeview->messageview->window->window, NULL);
1069                         else
1070                                 gdk_window_set_cursor (mainwindow_get_mainwindow()->window->window, NULL);
1071                 }
1072         }
1073         g_free(l);
1074         }
1075 }
1076 static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
1077                                     PdfViewer *viewer)
1078 {
1079         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1080         static gboolean in_scroll_cb = FALSE;
1081         gboolean handled = FALSE;
1082         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1083
1084         if (in_scroll_cb)
1085                 return FALSE;
1086
1087         in_scroll_cb = TRUE;
1088
1089         if (event->direction == GDK_SCROLL_UP &&
1090             adj->value == adj->lower &&
1091             cur_p > 1) {
1092                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1093                 adj->value = adj->upper - adj->page_size;
1094                 handled = TRUE;
1095         } else if (event->direction == GDK_SCROLL_DOWN &&
1096             adj->value + adj->page_size == adj->upper &&
1097             cur_p < viewer->num_pages) {
1098                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1099                 adj->value = 0.0;
1100                 handled = TRUE;
1101         }
1102         in_scroll_cb = FALSE;
1103         return handled;
1104 }
1105
1106 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer)
1107 {
1108         GtkAllocation *allocation;
1109         double xratio, yratio;
1110         allocation = &(viewer->scrollwin->allocation);
1111         debug_print("width: %d\n", allocation->width);
1112         debug_print("height: %d\n", allocation->height);
1113         xratio = allocation->width / viewer->width;
1114         yratio = allocation->height / viewer->height;
1115
1116         if (xratio >= yratio) {
1117                 viewer->zoom = yratio;
1118                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1119         }
1120         else {
1121                 viewer->zoom = xratio;
1122                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1123         }
1124 }
1125
1126 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer)
1127 {
1128         GtkAllocation *allocation;
1129         double xratio;
1130         allocation = &(viewer->scrollwin->allocation);
1131         debug_print("width: %d\n", allocation->width);
1132         xratio = allocation->width / viewer->width;
1133         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), xratio);
1134 }
1135
1136 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer)
1137 {
1138         if (viewer->rotate == 360) {
1139                 viewer->rotate = 0;
1140         }
1141
1142         viewer->rotate += (gint) ROTATION;
1143         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1144                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1145 }
1146
1147 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer)
1148 {
1149         if (viewer->rotate == 0) {
1150                 viewer->rotate = 360;
1151         }
1152
1153         viewer->rotate = abs(viewer->rotate -(gint) ROTATION);
1154         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1155                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1156 }
1157
1158 /* Show/Hide the index pane */
1159 static void pdf_viewer_show_document_index_cb(GtkButton *button, PdfViewer *viewer)
1160 {
1161         if (!viewer->pdf_index) {
1162                 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
1163         }
1164
1165         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1166
1167         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(viewer->doc_index))) {
1168                 pdf_viewer_get_document_index(viewer,(PopplerIndexIter *) viewer->pdf_index, NULL);
1169                 gtk_widget_show(GTK_WIDGET(viewer->frame_index));
1170         }
1171         else {
1172                 pdf_viewer_hide_index_pane(viewer);
1173         }
1174
1175 }
1176
1177 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer)
1178 {
1179         alertpanel_full(_("PDF properties"), NULL, GTK_STOCK_CLOSE, NULL, NULL,
1180                         FALSE, (GtkWidget *) pdf_viewer_fill_info_table(viewer),
1181                         ALERT_NOTICE, G_ALERTDEFAULT);
1182 }
1183
1184 /*
1185 static const char * poppler_get_document_info_mode(PopplerPageMode mode)
1186 {
1187         GEnumValue *enum_value;
1188
1189         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_MODE), mode);
1190         return(gchar *) enum_value->value_name;
1191 }
1192 static const char * poppler_get_document_info_layout(PopplerPageLayout layout)
1193 {
1194
1195         GEnumValue *enum_value;
1196
1197         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_LAYOUT), layout);
1198         return(gchar *) enum_value->value_name;
1199 }
1200 */
1201 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show)
1202 {
1203         if (show) {
1204                 gtk_widget_show(viewer->first_page);
1205                 gtk_widget_show(viewer->cur_page);
1206                 gtk_widget_show(viewer->prev_page);
1207                 gtk_widget_show(viewer->next_page);
1208                 gtk_widget_show(viewer->last_page);
1209                 gtk_widget_show(viewer->zoom_in);
1210                 gtk_widget_show(viewer->zoom_out);
1211                 gtk_widget_show(viewer->zoom_fit);
1212                 gtk_widget_show(viewer->zoom_width);
1213                 gtk_widget_show(viewer->zoom_scroll);
1214                 gtk_widget_show(viewer->widgets_table);
1215                 gtk_widget_show(viewer->rotate_right);
1216                 gtk_widget_show(viewer->rotate_left);
1217                 gtk_widget_show(viewer->doc_info);
1218                 gtk_widget_show(viewer->doc_index);
1219         } else {
1220                 gtk_widget_hide(viewer->first_page);
1221                 gtk_widget_hide(viewer->cur_page);
1222                 gtk_widget_hide(viewer->prev_page);
1223                 gtk_widget_hide(viewer->next_page);
1224                 gtk_widget_hide(viewer->last_page);
1225                 gtk_widget_hide(viewer->zoom_in);
1226                 gtk_widget_hide(viewer->zoom_out);
1227                 gtk_widget_hide(viewer->zoom_fit);
1228                 gtk_widget_hide(viewer->zoom_width);
1229                 gtk_widget_hide(viewer->widgets_table);
1230                 gtk_widget_hide(viewer->rotate_right);
1231                 gtk_widget_hide(viewer->rotate_left);
1232                 gtk_widget_hide(viewer->doc_info);
1233                 gtk_widget_hide(viewer->doc_index);
1234                 gtk_widget_hide(viewer->zoom_scroll);
1235         }
1236 }
1237 /** Render the current page, page_num on the viewer */
1238 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num)
1239 {
1240
1241         PdfViewer *viewer = (PdfViewer *) _viewer;
1242         GError *error;
1243         gchar *tmpfile = NULL;
1244         gchar *tmp;
1245
1246         debug_print("pdf_viewer_update\n");
1247
1248         error = NULL;
1249         if (reload_file) {
1250                 if (viewer->pdf_doc) {
1251                         g_object_unref(G_OBJECT(viewer->pdf_doc));
1252                         viewer->pdf_doc = NULL;
1253                 }
1254
1255                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1256                         stock_pixbuf_gdk(viewer->hbox,
1257                                         STOCK_PIXMAP_MIME_PS,
1258                                         &viewer->icon_pixbuf);
1259                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1260                                                                         viewer->icon_pixbuf);
1261                 }
1262                 else if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF) {
1263                         stock_pixbuf_gdk(viewer->hbox,
1264                         STOCK_PIXMAP_MIME_PDF,
1265                         &viewer->icon_pixbuf);
1266                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1267                                                                         viewer->icon_pixbuf);
1268                 }
1269                 else {
1270                         stock_pixbuf_gdk(viewer->hbox,
1271                         STOCK_PIXMAP_MIME_APPLICATION,
1272                         &viewer->icon_pixbuf);
1273                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1274                                                                         viewer->icon_pixbuf);
1275                 }
1276
1277                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), _("Loading..."));
1278                 pdf_viewer_show_controls(viewer, FALSE);
1279                 main_window_cursor_wait(mainwindow_get_mainwindow());
1280
1281                 GTK_EVENTS_FLUSH();
1282
1283                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1284                         gchar *cmdline = NULL, *tmp = NULL, *gspath = NULL;
1285                         gint result = 0;
1286
1287                         if ((gspath = g_find_program_in_path("gs")) != NULL) {
1288                                 g_free(gspath);
1289                                 /* convert postscript to pdf */
1290                                 tmpfile = get_tmp_file();
1291                                 cmdline = g_strdup_printf(
1292                                         "gs -dSAFER -dCompatibilityLevel=1.2 -q -dNOPAUSE -dBATCH "
1293                                           "-sDEVICE=pdfwrite -sOutputFile=%s -c .setpdfwrite -f \"%s\"",
1294                                         tmpfile, viewer->filename);
1295                                 result = execute_command_line(cmdline, FALSE);
1296                                 if (result == 0) {
1297                                         tmp = g_filename_to_uri(tmpfile, NULL, NULL);
1298                                         viewer->pdf_doc = poppler_document_new_from_file( tmp, NULL, &error);
1299                                         g_free(tmp);
1300                                 }
1301                                 else {
1302                                         g_warning("gs conversion failed: %s returned %d\n", cmdline, result);
1303                                         tmp = g_strdup_printf("gs: err %d", result);
1304                                         alertpanel_warning("%s", tmp);
1305                                         g_free(tmp);
1306                                 }
1307
1308                                 g_free(cmdline);
1309                                 claws_unlink(tmpfile);
1310                                 g_free(tmpfile);
1311                         }
1312                         else {
1313                                 g_warning("gs conversion disabled: gs binary was not found\n");
1314                                 alertpanel_warning("PostScript view disabled: required gs program not found");
1315                                 result = 1;
1316
1317                         }
1318                         if (result != 0) {
1319                                 main_window_cursor_normal(mainwindow_get_mainwindow());
1320                                 return;
1321                         }
1322                 }
1323                 else {
1324                         viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
1325                 }
1326
1327                 viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);
1328
1329                 g_signal_handlers_block_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1330                 gtk_spin_button_set_range(GTK_SPIN_BUTTON(viewer->cur_page),
1331                                                                         1,
1332                                                                 (gdouble)viewer->num_pages );
1333
1334                 g_signal_handlers_unblock_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1335                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
1336                 tmp = g_strdup_printf(_("%s Document"),pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF ? "PDF":"Postscript");
1337                 CLAWS_SET_TIP(
1338                                 GTK_WIDGET(viewer->icon_type_ebox),
1339                                 tmp);
1340                 g_free(tmp);
1341
1342                 tmp = g_strdup_printf(_("of %d"), viewer->num_pages);
1343                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), tmp);
1344                 g_free(tmp);
1345
1346                 pdf_viewer_show_controls(viewer, TRUE);
1347                 main_window_cursor_normal(mainwindow_get_mainwindow());
1348         }
1349         if (viewer->pdf_doc == NULL) {
1350                 stock_pixbuf_gdk(viewer->hbox,
1351                                 STOCK_PIXMAP_MIME_APPLICATION,
1352                                 &viewer->icon_pixbuf);
1353
1354                 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type), viewer->icon_pixbuf);
1355                 if (error) {
1356                         strretchomp(error->message);
1357                         alertpanel_error("%s", error->message);
1358                 } else {
1359                         alertpanel_error(_("PDF rendering failed for an unknown reason."));
1360                 }
1361                 pdf_viewer_show_controls(viewer, FALSE);
1362                 g_error_free(error);
1363                 return;
1364         }
1365
1366         if (page_num == 1) {
1367                 gtk_widget_set_sensitive(viewer->first_page, FALSE);
1368                 gtk_widget_set_sensitive(viewer->prev_page, FALSE);
1369         }
1370         else {
1371                 gtk_widget_set_sensitive(viewer->first_page, TRUE);
1372                 gtk_widget_set_sensitive(viewer->prev_page, TRUE);
1373         }
1374
1375         if (page_num == viewer->num_pages) {
1376                 gtk_widget_set_sensitive(viewer->last_page, FALSE);
1377                 gtk_widget_set_sensitive(viewer->next_page, FALSE);
1378         }
1379         else {
1380                 gtk_widget_set_sensitive(viewer->last_page, TRUE);
1381                 gtk_widget_set_sensitive(viewer->next_page, TRUE);
1382         }
1383
1384         /* check for the index if exists */
1385         pdf_viewer_set_index_button_sensitive((PdfViewer *) viewer);
1386
1387         if (page_num > 0 && page_num <= viewer->num_pages) {
1388
1389                 GTK_EVENTS_FLUSH();
1390
1391                 if (viewer->pdf_page) {
1392                         g_object_unref(G_OBJECT(viewer->pdf_page));
1393                 }
1394
1395                 viewer->pdf_page = poppler_document_get_page(viewer->pdf_doc, page_num - 1);
1396
1397                 if (viewer->pdf_page == NULL) {
1398                         g_warning("Page not found\n");
1399                         return;
1400                 }
1401
1402                 if (viewer->rotate == 90 || viewer->rotate == 270) {
1403                         poppler_page_get_size(viewer->pdf_page, &viewer->height, &viewer->width);
1404                 }
1405                 else {
1406                         poppler_page_get_size(viewer->pdf_page, &viewer->width, &viewer->height);
1407                 }
1408
1409                 if (viewer->last_rect && viewer->last_page_result &&
1410                     viewer->last_page_result->page_num == page_num) {
1411                         pdf_viewer_render_selection(viewer, viewer->last_rect, viewer->last_page_result);
1412                 }
1413                 else {
1414                         pdf_viewer_render_page(viewer->pdf_page, viewer->pdf_view, viewer->width,
1415                                                                         viewer->height, viewer->zoom, viewer->rotate);
1416
1417                 }
1418
1419         /* Get Links Mapping */
1420         if (viewer->link_map) {
1421                 poppler_page_free_link_mapping(viewer->link_map);
1422         }
1423         viewer->link_map = poppler_page_get_link_mapping(viewer->pdf_page);
1424
1425         }
1426 }
1427
1428
1429 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
1430                                 MimeInfo *partinfo)
1431 {
1432         PdfViewer *viewer = (PdfViewer *) _viewer;
1433         gchar buf[4096];
1434         const gchar *charset = NULL;
1435         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
1436                                         ?((MimeViewer *)viewer)->mimeview->messageview
1437                                         : NULL;
1438
1439         viewer->rotate = 0;
1440         viewer->to_load = partinfo;
1441
1442         if (messageview)
1443                 messageview->updating = TRUE;
1444
1445         memset(buf, 0, sizeof(buf));
1446         debug_print("pdf_viewer_show_mimepart\n");
1447
1448         if (viewer->filename != NULL) {
1449                 claws_unlink(viewer->filename);
1450                 g_free(viewer->filename);
1451                 viewer->filename = NULL;
1452         }
1453
1454         viewer->mimeinfo = NULL;
1455
1456         if (partinfo) {
1457                 viewer->target_filename = procmime_get_part_file_name(partinfo);
1458                 viewer->filename = procmime_get_tmp_file_name(partinfo);
1459                 viewer->fsname = g_filename_to_uri(viewer->filename, NULL, NULL);
1460         }
1461
1462         if (partinfo && !(procmime_get_part(viewer->filename, partinfo) < 0)) {
1463
1464                 if (messageview && messageview->forced_charset)
1465                         charset = _viewer->mimeview->messageview->forced_charset;
1466                 else
1467                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
1468
1469                 if (charset == NULL) {
1470                         charset = conv_get_locale_charset_str();
1471                 }
1472
1473                 debug_print("using charset %s\n", charset);
1474
1475                 viewer->mimeinfo = partinfo;
1476         }
1477
1478         pdf_viewer_update((MimeViewer *)viewer, TRUE, 1);
1479
1480         messageview->updating = FALSE;
1481 }
1482
1483 static void pdf_viewer_clear(MimeViewer *_viewer)
1484 {
1485         PdfViewer *viewer = (PdfViewer *) _viewer;
1486         GtkAdjustment *vadj;
1487
1488         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(viewer->doc_index), FALSE);
1489         gtk_widget_hide(viewer->frame_index);
1490
1491         debug_print("pdf_viewer_clear\n");
1492         viewer->to_load = NULL;
1493
1494         if (viewer->pdf_doc) {
1495                 g_object_unref(G_OBJECT(viewer->pdf_doc));
1496                 viewer->pdf_doc = NULL;
1497         }
1498
1499         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1500         vadj->value = 0.0;
1501         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1502         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin_index));
1503         vadj->value = 0.0;
1504         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1505         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1506         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), NULL);
1507 }
1508
1509 static void pdf_viewer_destroy(MimeViewer *_viewer)
1510 {
1511         PdfViewer *viewer = (PdfViewer *) _viewer;
1512
1513         debug_print("pdf_viewer_destroy\n");
1514
1515         if (viewer->pdf_index) poppler_index_iter_free(viewer->pdf_index);
1516
1517         poppler_page_free_link_mapping (viewer->link_map);
1518         g_object_unref(GTK_WIDGET(viewer->vbox));
1519         g_object_unref(GTK_WIDGET(viewer->pdf_view));
1520         g_object_unref(GTK_WIDGET(viewer->doc_index_pane));
1521         g_object_unref(GTK_WIDGET(viewer->scrollwin));
1522         g_object_unref(GTK_WIDGET(viewer->scrollwin_index));
1523         claws_unlink(viewer->filename);
1524         g_free(viewer->filename);
1525         g_free(viewer);
1526 }
1527
1528 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1529 {
1530         PdfViewer *viewer = (PdfViewer *)_viewer;
1531         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1532                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1533
1534         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1535
1536         if (viewer->pdf_view == NULL) return FALSE;
1537
1538         if (!gtkutils_scroll_page(GTK_WIDGET(viewer->pdf_view), vadj, up)) {
1539                 if (!up && cur_p != viewer->num_pages) {
1540                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1541                         vadj = gtk_scrolled_window_get_vadjustment(
1542                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1543                         vadj->value = 0.0;
1544                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1545                         return TRUE;
1546                 }
1547                 else if (up && cur_p != 1) {
1548                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1549                         vadj = gtk_scrolled_window_get_vadjustment(
1550                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1551                         vadj->value = vadj->upper - vadj->page_size;
1552                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1553                         return TRUE;
1554                 }
1555                 return FALSE;
1556         }
1557         else return TRUE;
1558 }
1559
1560 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1561 {
1562         PdfViewer *viewer = (PdfViewer *)_viewer;
1563         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1564                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1565         gint cur_p;
1566         cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1567
1568         if (viewer->pdf_view == NULL) return;
1569                 debug_print("up: %d\n", up);
1570                 if (vadj->value <(vadj->upper - vadj->page_size))  {
1571                         gtkutils_scroll_one_line(GTK_WIDGET(viewer->pdf_view), vadj, up);
1572                 }
1573                 else {
1574                         if (cur_p != viewer->num_pages) {
1575                                 pdf_viewer_scroll_page((MimeViewer *)viewer, up);
1576                         }
1577                 }
1578
1579 }
1580
1581 #define BUTTON_H_PADDING 3
1582 #define ADD_BUTTON_TO_TABLE(widget, stock_image) \
1583         widget = gtk_button_new(); \
1584         img = gtk_image_new_from_stock(stock_image, GTK_ICON_SIZE_MENU); \
1585         gtk_button_set_image(GTK_BUTTON(widget), img); \
1586         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(widget), \
1587                                 col, col+1, 0, 1, 0, 0, BUTTON_H_PADDING, 0); \
1588         col++;
1589
1590 #define ADD_SEP_TO_TABLE \
1591         sep = gtk_label_new(""); \
1592         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(sep), \
1593                                         col, col+1, 0, 1, 0, 0, 0, 0); \
1594         gtk_table_set_col_spacing(GTK_TABLE(viewer->widgets_table), col, 3*BUTTON_H_PADDING); \
1595         col++;
1596
1597 #if POPPLER_HAS_CAIRO
1598 static PangoContext *pdf_viewer_get_pango_context(gpointer data)
1599 {
1600         return NULL;
1601 }
1602
1603 static gpointer pdf_viewer_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
1604 {
1605         return NULL; /* we don't need it */
1606 }
1607
1608 static void pdf_viewer_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
1609                            gpointer user_data)
1610 {
1611   PrintData *print_data;
1612   PopplerDocument *pdf_doc;
1613   gint n_pages = 0;
1614   print_data = (PrintData*) user_data;
1615   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1616
1617   debug_print("Preparing print job...\n");
1618
1619   n_pages = poppler_document_get_n_pages(pdf_doc);
1620   printing_set_n_pages(print_data, n_pages);
1621   gtk_print_operation_set_n_pages(op, n_pages);
1622
1623   debug_print("Starting print job...\n");
1624 }
1625
1626 static void pdf_viewer_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1627                          int page_nr, gpointer user_data)
1628 {
1629   cairo_t *cr;
1630   PrintData *print_data;
1631   PopplerDocument *pdf_doc;
1632   PopplerPage *pdf_page;
1633
1634   print_data = (PrintData*) user_data;
1635   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1636   pdf_page = poppler_document_get_page(pdf_doc, page_nr);
1637
1638   cr = gtk_print_context_get_cairo_context(context);
1639   cairo_scale(cr, printing_get_zoom(print_data), printing_get_zoom(print_data));
1640   cairo_set_source_rgb(cr, 0., 0., 0.);
1641
1642   poppler_page_render_for_printing(pdf_page, cr);
1643
1644   g_object_unref(G_OBJECT(pdf_page));
1645
1646   debug_print("Sent page %d to printer\n", page_nr+1);
1647 }
1648
1649 static void pdf_viewer_print(MimeViewer *mviewer)
1650 {
1651         PdfViewer *viewer = (PdfViewer *)mviewer;
1652         PrintRenderer *pdf_renderer = g_new0(PrintRenderer, 1);
1653         MainWindow *mainwin = mainwindow_get_mainwindow();
1654
1655         pdf_renderer->get_pango_context = pdf_viewer_get_pango_context;
1656         pdf_renderer->get_data_to_print = pdf_viewer_get_data_to_print;
1657         pdf_renderer->cb_begin_print    = pdf_viewer_cb_begin_print;
1658         pdf_renderer->cb_draw_page      = pdf_viewer_cb_draw_page;
1659
1660         printing_print_full(mainwin ? GTK_WINDOW(mainwin->window):NULL,
1661                         pdf_renderer, viewer->pdf_doc, -1, -1, NULL);
1662
1663         g_free(pdf_renderer);
1664 }
1665 #endif
1666
1667 static MimeViewer *pdf_viewer_create(void)
1668 {
1669         PdfViewer *viewer;
1670         GtkTreeViewColumn *column;
1671         GtkCellRenderer *renderer;
1672         GtkTreeStore *tree_store;
1673         GtkWidget *sep;
1674         GtkWidget *img;
1675         gint col = 0;
1676
1677         viewer = g_new0(PdfViewer, 1);
1678         debug_print("pdf_viewer_create\n");
1679
1680         viewer->last_x = 0;
1681         viewer->last_y = 0;
1682         viewer->mimeviewer.factory = &pdf_viewer_factory;
1683         viewer->mimeviewer.get_widget = pdf_viewer_get_widget;
1684         viewer->mimeviewer.show_mimepart = pdf_viewer_show_mimepart;
1685         viewer->mimeviewer.clear_viewer = pdf_viewer_clear;
1686         viewer->mimeviewer.destroy_viewer = pdf_viewer_destroy;
1687         viewer->mimeviewer.text_search = pdf_viewer_text_search;
1688         viewer->mimeviewer.scroll_page = pdf_viewer_scroll_page;
1689         viewer->mimeviewer.scroll_one_line = pdf_viewer_scroll_one_line;
1690 #if POPPLER_HAS_CAIRO
1691         viewer->mimeviewer.print = pdf_viewer_print;
1692 #endif
1693         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1694         viewer->scrollwin_index = gtk_scrolled_window_new(NULL, NULL);
1695         viewer->pdf_view_ebox = gtk_event_box_new();
1696         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->pdf_view_ebox), FALSE);
1697
1698         viewer->mimeinfo  = NULL;
1699
1700         viewer->pdf_view = gtk_image_new();
1701         gtk_widget_set_events(viewer->pdf_view_ebox,
1702                                                 GDK_BUTTON_RELEASE_MASK
1703                                                 | GDK_POINTER_MOTION_MASK
1704                                                 | GDK_BUTTON_PRESS_MASK
1705                                                 | GDK_BUTTON_MOTION_MASK
1706                                             );
1707         gtk_container_add (GTK_CONTAINER(viewer->pdf_view_ebox), viewer->pdf_view);
1708         viewer->icon_type = gtk_image_new();
1709         viewer->icon_type_ebox = gtk_event_box_new();
1710
1711         gtk_container_add(GTK_CONTAINER(viewer->icon_type_ebox), viewer->icon_type);
1712
1713         viewer->doc_label = gtk_label_new("");
1714
1715         viewer->widgets_table = gtk_table_new(1, 1, FALSE);
1716
1717         viewer->doc_index_pane = gtk_hpaned_new();
1718
1719         viewer->frame_index = gtk_frame_new(NULL);
1720         gtk_frame_set_shadow_type(GTK_FRAME(viewer->frame_index), GTK_SHADOW_IN);
1721         gtk_widget_set_size_request(viewer->frame_index, 18, -1);
1722         gtk_frame_set_label(GTK_FRAME(viewer->frame_index), _("Document Index"));
1723
1724         ADD_SEP_TO_TABLE
1725         ADD_BUTTON_TO_TABLE(viewer->first_page, GTK_STOCK_GOTO_FIRST)
1726         ADD_BUTTON_TO_TABLE(viewer->prev_page, GTK_STOCK_GO_BACK)
1727         viewer->cur_page = gtk_spin_button_new_with_range(0.0, 0.0, 1.0);
1728         viewer->zoom_scroll = gtk_spin_button_new_with_range(0.20, 8.0, 0.20);
1729         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), 1.0);
1730         viewer->zoom = 1.0;
1731         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->cur_page), TRUE);
1732         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->zoom_scroll), TRUE);
1733         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->cur_page),
1734                                         col, col+1,
1735                                         0, 1, 0, 0,
1736                                         BUTTON_H_PADDING,
1737                                         0);
1738         col++;
1739         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->doc_label),
1740                                         col, col+1,
1741                                         0, 1, 0, 0,
1742                                         BUTTON_H_PADDING,
1743                                         0);
1744         col++;
1745
1746         ADD_BUTTON_TO_TABLE(viewer->next_page, GTK_STOCK_GO_FORWARD)
1747         ADD_BUTTON_TO_TABLE(viewer->last_page, GTK_STOCK_GOTO_LAST)
1748         ADD_SEP_TO_TABLE
1749         ADD_BUTTON_TO_TABLE(viewer->zoom_fit, GTK_STOCK_ZOOM_FIT)
1750         ADD_BUTTON_TO_TABLE(viewer->zoom_in, GTK_STOCK_ZOOM_IN)
1751         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->zoom_scroll),
1752                                         col, col+1,
1753                                         0, 1, 0, 0,
1754                                         BUTTON_H_PADDING,
1755                                         0);
1756         col++;
1757         ADD_BUTTON_TO_TABLE(viewer->zoom_out, GTK_STOCK_ZOOM_OUT)
1758         ADD_BUTTON_TO_TABLE(viewer->zoom_width, GTK_STOCK_FULLSCREEN)
1759         ADD_SEP_TO_TABLE
1760         ADD_BUTTON_TO_TABLE(viewer->rotate_left, GTK_STOCK_UNDO)
1761         ADD_BUTTON_TO_TABLE(viewer->rotate_right, GTK_STOCK_REDO)
1762         ADD_SEP_TO_TABLE
1763         ADD_BUTTON_TO_TABLE(viewer->doc_info, GTK_STOCK_INFO)
1764
1765         viewer->doc_index = GTK_WIDGET(gtk_toggle_tool_button_new_from_stock(GTK_STOCK_INDEX));
1766         gtk_widget_set_size_request(GTK_WIDGET(viewer->doc_index), 26, 26);
1767         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->doc_index),
1768                                         col, col+1,
1769                                         0, 1, 0, 0,
1770                                         BUTTON_H_PADDING,
1771                                         0);
1772         col++;
1773
1774         gtk_scrolled_window_set_policy(
1775                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1776                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1777
1778         gtk_scrolled_window_set_shadow_type(
1779                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1780                         GTK_SHADOW_IN);
1781
1782         gtk_scrolled_window_add_with_viewport(
1783                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1784                         viewer->pdf_view_ebox);
1785
1786         viewer->vbox = gtk_vbox_new(FALSE, 4);
1787         viewer->hbox = gtk_hbox_new(FALSE, 4);
1788
1789     /* treeview */
1790         tree_store = gtk_tree_store_new(N_INDEX_COLUMNS,
1791                                         G_TYPE_STRING,
1792                                         G_TYPE_INT,
1793                                         G_TYPE_DOUBLE);
1794
1795         viewer->index_list = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
1796         renderer = gtk_cell_renderer_text_new();
1797         column = gtk_tree_view_column_new_with_attributes(_("Name"),  renderer, "text", 0,  NULL);
1798         gtk_tree_view_append_column(GTK_TREE_VIEW(viewer->index_list), column);
1799         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(viewer->index_list), FALSE);
1800
1801         viewer->index_model = GTK_TREE_MODEL(tree_store);
1802
1803         gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(viewer->index_list)),
1804                                                                 GTK_SELECTION_SINGLE);
1805
1806         g_signal_connect(G_OBJECT(viewer->index_list), "row_activated",
1807                          G_CALLBACK(pdf_viewer_index_row_activated),
1808                                          viewer);
1809
1810         gtk_scrolled_window_set_policy(
1811                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1812                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1813
1814         gtk_scrolled_window_set_shadow_type(
1815                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1816                         GTK_SHADOW_IN);
1817
1818         gtk_scrolled_window_add_with_viewport(
1819                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1820                         viewer->index_list);
1821
1822         /* end treeview */
1823
1824         stock_pixbuf_gdk(viewer->hbox,
1825                         STOCK_PIXMAP_MIME_TEXT_PLAIN,
1826                         &viewer->icon_pixbuf);
1827
1828         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1829                                 viewer->icon_pixbuf);
1830
1831         /* pack widgets*/
1832         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->icon_type_ebox, FALSE, FALSE, 0);
1833         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->widgets_table, FALSE, FALSE, 0);
1834
1835         gtk_container_add(GTK_CONTAINER(viewer->frame_index), viewer->scrollwin_index);
1836
1837         gtk_paned_pack1(GTK_PANED(viewer->doc_index_pane), viewer->frame_index, FALSE, FALSE);
1838         gtk_paned_pack2(GTK_PANED(viewer->doc_index_pane), viewer->scrollwin, FALSE, FALSE);
1839
1840         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->hbox, FALSE, FALSE, 0);
1841         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->doc_index_pane, TRUE, TRUE, 0);
1842         /* show widgets */
1843         gtk_widget_show(GTK_WIDGET(viewer->doc_index_pane));
1844         g_object_ref(GTK_WIDGET(viewer->doc_index_pane));
1845         gtk_widget_show(GTK_WIDGET(viewer->scrollwin));
1846         g_object_ref(GTK_WIDGET(viewer->scrollwin));
1847         gtk_widget_show(GTK_WIDGET(viewer->icon_type_ebox));
1848         g_object_ref(GTK_WIDGET(viewer->icon_type_ebox));
1849         gtk_widget_show(GTK_WIDGET(viewer->pdf_view_ebox));
1850         g_object_ref(GTK_WIDGET(viewer->pdf_view_ebox));
1851         gtk_widget_show(GTK_WIDGET(viewer->scrollwin_index));
1852         g_object_ref(GTK_WIDGET(viewer->scrollwin_index));
1853         gtk_widget_show(GTK_WIDGET(viewer->hbox));
1854         g_object_ref(GTK_WIDGET(viewer->hbox));
1855         gtk_widget_show(GTK_WIDGET(viewer->vbox));
1856         g_object_ref(GTK_WIDGET(viewer->vbox));
1857
1858         gtk_widget_show(GTK_WIDGET(viewer->widgets_table));
1859         g_object_ref(GTK_WIDGET(viewer->widgets_table));
1860
1861         gtk_widget_show(GTK_WIDGET(viewer->cur_page));
1862         g_object_ref(GTK_WIDGET(viewer->cur_page));
1863
1864         gtk_widget_show(GTK_WIDGET(viewer->first_page));
1865         g_object_ref(GTK_WIDGET(viewer->first_page));
1866
1867         gtk_widget_show(GTK_WIDGET(viewer->last_page));
1868         g_object_ref(GTK_WIDGET(viewer->last_page));
1869
1870         gtk_widget_show(GTK_WIDGET(viewer->prev_page));
1871         g_object_ref(GTK_WIDGET(viewer->prev_page));
1872
1873         gtk_widget_show(GTK_WIDGET(viewer->next_page));
1874         g_object_ref(GTK_WIDGET(viewer->next_page));
1875
1876         gtk_widget_show(GTK_WIDGET(viewer->zoom_in));
1877         g_object_ref(GTK_WIDGET(viewer->zoom_in));
1878         gtk_widget_show(GTK_WIDGET(viewer->zoom_out));
1879         g_object_ref(GTK_WIDGET(viewer->zoom_out));
1880         gtk_widget_show(GTK_WIDGET(viewer->zoom_fit));
1881         g_object_ref(GTK_WIDGET(viewer->zoom_fit));
1882         gtk_widget_show(GTK_WIDGET(viewer->zoom_width));
1883         g_object_ref(GTK_WIDGET(viewer->zoom_width));
1884
1885         gtk_widget_show(GTK_WIDGET(viewer->rotate_right));
1886         g_object_ref(GTK_WIDGET(viewer->rotate_right));
1887         gtk_widget_show(GTK_WIDGET(viewer->rotate_left));
1888         g_object_ref(GTK_WIDGET(viewer->rotate_left));
1889         gtk_widget_show(GTK_WIDGET(viewer->doc_info));
1890         g_object_ref(GTK_WIDGET(viewer->doc_info));
1891         gtk_widget_show(GTK_WIDGET(viewer->doc_index));
1892         g_object_ref(GTK_WIDGET(viewer->doc_index));
1893
1894         gtk_widget_show(GTK_WIDGET(viewer->doc_label));
1895         g_object_ref(GTK_WIDGET(viewer->doc_label));
1896         gtk_widget_show(GTK_WIDGET(viewer->icon_type));
1897         g_object_ref(GTK_WIDGET(viewer->icon_type));
1898         gtk_widget_show(GTK_WIDGET(viewer->pdf_view));
1899         g_object_ref(GTK_WIDGET(viewer->pdf_view));
1900         gtk_widget_show(GTK_WIDGET(viewer->zoom_scroll));
1901         g_object_ref(GTK_WIDGET(viewer->zoom_scroll));
1902
1903         gtk_widget_show(GTK_WIDGET(viewer->index_list));
1904         g_object_ref(GTK_WIDGET(viewer->index_list));
1905
1906         /* Set Tooltips*/
1907         CLAWS_SET_TIP(viewer->first_page,
1908                                 _("First Page"));
1909
1910         CLAWS_SET_TIP(viewer->prev_page,
1911                                 _("Previous Page"));
1912
1913         CLAWS_SET_TIP(viewer->next_page,
1914                                 _("Next Page"));
1915
1916         CLAWS_SET_TIP(viewer->last_page,
1917                                 _("Last Page"));
1918
1919         CLAWS_SET_TIP(viewer->zoom_in,
1920                                 _("Zoom In"));
1921         CLAWS_SET_TIP(viewer->zoom_out,
1922                                 _("Zoom Out"));
1923
1924         CLAWS_SET_TIP(viewer->zoom_fit,
1925                                 _("Fit Page"));
1926
1927         CLAWS_SET_TIP(viewer->zoom_width,
1928                                 _("Fit Page Width"));
1929
1930         CLAWS_SET_TIP(viewer->rotate_left,
1931                                 _("Rotate Left"));
1932
1933         CLAWS_SET_TIP(viewer->rotate_right,
1934                                 _("Rotate Right"));
1935
1936         CLAWS_SET_TIP(viewer->doc_info,
1937                                 _("Document Info"));
1938
1939         CLAWS_SET_TIP(viewer->doc_index,
1940                                 _("Document Index"));
1941         CLAWS_SET_TIP(viewer->cur_page,
1942                                 _("Page Number"));
1943         CLAWS_SET_TIP(viewer->zoom_scroll,
1944                                 _("Zoom Factor"));
1945         /* Connect Signals */
1946         g_signal_connect(G_OBJECT(viewer->cur_page),
1947                                     "value-changed",
1948                                     G_CALLBACK(pdf_viewer_spin_change_page_cb),
1949                                    (gpointer) viewer);
1950
1951         g_signal_connect(G_OBJECT(viewer->first_page),
1952                                     "clicked",
1953                                     G_CALLBACK(pdf_viewer_button_first_page_cb),
1954                                    (gpointer) viewer);
1955         g_signal_connect(G_OBJECT(viewer->prev_page),
1956                                     "clicked",
1957                                     G_CALLBACK(pdf_viewer_button_prev_page_cb),
1958                                    (gpointer) viewer);
1959         g_signal_connect(G_OBJECT(viewer->next_page),
1960                                     "clicked",
1961                                     G_CALLBACK(pdf_viewer_button_next_page_cb),
1962                                    (gpointer) viewer);
1963         g_signal_connect(G_OBJECT(viewer->last_page),
1964                                     "clicked",
1965                                     G_CALLBACK(pdf_viewer_button_last_page_cb),
1966                                    (gpointer) viewer);
1967         g_signal_connect(G_OBJECT(viewer->zoom_in),
1968                                     "clicked",
1969                                     G_CALLBACK(pdf_viewer_button_zoom_in_cb),
1970                                    (gpointer) viewer);
1971         g_signal_connect(G_OBJECT(viewer->zoom_out),
1972                                     "clicked",
1973                                     G_CALLBACK(pdf_viewer_button_zoom_out_cb),
1974                                    (gpointer) viewer);
1975         g_signal_connect(G_OBJECT(viewer->zoom_scroll),
1976                                     "value-changed",
1977                                     G_CALLBACK(pdf_viewer_spin_zoom_scroll_cb),
1978                                    (gpointer) viewer);
1979
1980         g_signal_connect(G_OBJECT(viewer->zoom_fit),
1981                                    "clicked",
1982                                     G_CALLBACK(pdf_viewer_button_zoom_fit_cb),
1983                                    (gpointer) viewer);
1984
1985         g_signal_connect(G_OBJECT(viewer->zoom_width),
1986                                     "clicked",
1987                                     G_CALLBACK(pdf_viewer_button_zoom_width_cb),
1988                                    (gpointer) viewer);
1989
1990         g_signal_connect(G_OBJECT(viewer->rotate_right),
1991                                     "clicked",
1992                                     G_CALLBACK(pdf_viewer_button_rotate_right_cb),
1993                                    (gpointer) viewer);
1994
1995         g_signal_connect(G_OBJECT(viewer->rotate_left),
1996                                     "clicked",
1997                                     G_CALLBACK(pdf_viewer_button_rotate_left_cb),
1998                                    (gpointer) viewer);
1999
2000         g_signal_connect(G_OBJECT(viewer->doc_info),
2001                                     "clicked",
2002                                     G_CALLBACK(pdf_viewer_button_document_info_cb),
2003                                    (gpointer) viewer);
2004
2005         g_signal_connect(G_OBJECT(viewer->doc_index),
2006                                     "clicked",
2007                                     G_CALLBACK(pdf_viewer_show_document_index_cb),
2008                                    (gpointer) viewer);
2009         g_signal_connect(G_OBJECT(viewer->scrollwin),
2010                                     "scroll-event",
2011                                     G_CALLBACK(pdf_viewer_scroll_cb),
2012                                    (gpointer) viewer);
2013         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2014                                     "button_press_event",
2015                                     G_CALLBACK(pdf_viewer_button_press_events_cb),
2016                                    (gpointer) viewer);
2017         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2018                                     "button_release_event",
2019                                     G_CALLBACK(pdf_viewer_mouse_scroll_destroy_cb),
2020                                    (gpointer) viewer);
2021         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2022                                     "motion_notify_event",
2023                                     G_CALLBACK(pdf_viewer_move_events_cb),
2024                                    (gpointer) viewer);
2025
2026         viewer->target_filename = NULL;
2027         viewer->filename = NULL;
2028         viewer->fsname = NULL;
2029
2030         return(MimeViewer *) viewer;
2031 }
2032
2033 #undef ADD_BUTTON_TO_TABLE
2034 #undef ADD_SEP_TO_TABLE
2035 #undef BUTTON_H_PADDING
2036 #undef SEP_H_PADDING
2037
2038 static MimeViewerFactory pdf_viewer_factory =
2039 {
2040         content_types,
2041         0,
2042         pdf_viewer_create,
2043 };
2044
2045 gint plugin_init(gchar **error)
2046 {
2047         gchar *gspath = NULL;
2048
2049         msg = g_strdup_printf(_("This plugin enables the viewing of PDF and PostScript "
2050                                 "attachments using the Poppler %s Lib and the gs tool.\n\n"
2051                                 "Any feedback is welcome: iwkse@claws-mail.org"
2052                                 ), poppler_get_version());
2053
2054         if (!check_plugin_version(MAKE_NUMERIC_VERSION(3,8,1,46),
2055                     VERSION_NUMERIC, _("PDF Viewer"), error)) return -1;
2056
2057         if ((gspath = g_find_program_in_path("gs")) == NULL) {
2058                 gchar *pmsg = msg;
2059                 msg = g_strdup_printf(_("Warning: could not find ghostscript binary (gs) required "
2060                                         "for %s plugin to process PostScript attachments, only PDF "
2061                                         "attachments will be displayed. To enable PostScript "
2062                                         "support please install gs program.\n\n%s"
2063                                         ), _("PDF Viewer"), pmsg);
2064                 g_free(pmsg);
2065         }
2066         else {
2067                 g_free(gspath);
2068         }
2069
2070         mimeview_register_viewer_factory(&pdf_viewer_factory);
2071         return 0;
2072 }
2073
2074 gboolean plugin_done(void)
2075 {
2076         g_free(msg);
2077         mimeview_unregister_viewer_factory(&pdf_viewer_factory);
2078         return TRUE;
2079 }
2080
2081 const gchar *plugin_name(void)
2082 {
2083         return _("PDF Viewer");
2084 }
2085
2086 const gchar *plugin_desc(void)
2087 {
2088         return msg;
2089 }
2090
2091 const gchar *plugin_type(void)
2092 {
2093         return "GTK2";
2094 }
2095
2096 const gchar *plugin_licence(void)
2097 {
2098         return "GPL3+";
2099 }
2100
2101 const gchar *plugin_version(void)
2102 {
2103         return VERSION;
2104 }
2105
2106 struct PluginFeature *plugin_provides(void)
2107 {
2108         static struct PluginFeature features[] =
2109                 { {PLUGIN_MIMEVIEWER, "application/pdf"},
2110                   {PLUGIN_MIMEVIEWER, "application/postscript"},
2111                   {PLUGIN_NOTHING, NULL} };
2112         return features;
2113 }
2114