src/plugins/pdf_viewer/poppler_viewer.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2016 Salvatore De Paolis & the Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26
  27 #include "poppler_viewer.h"
  28 #include "printing.h"
  29 #include "prefs_common.h"
  30 #include "gtk/gtkutils.h"
  31 #include "gtk/inputdialog.h"
  32 #include "mimeview.h"
  33 #include "summaryview.h"
  34 #include "file-utils.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_print_cb(GtkButton *button, PdfViewer *viewer);
  88 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer);
  89
  90 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show);
  91 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up);
  92 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up);
  93
  94 /** Claws Mail Plugin functions */
  95 gint plugin_init(gchar **error);
  96 const gchar *plugin_name(void);
  97 const gchar *plugin_desc(void);
  98 const gchar *plugin_type(void);
  99 const gchar *plugin_licence(void);
 100 const gchar *plugin_version(void);
 101 struct PluginFeature *plugin_provides(void);
 102
 103 #ifndef POPPLER_WITH_GDK
 104 static void
 105 copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
 106                               GdkPixbuf       *pixbuf)
 107 {
 108         int cairo_width, cairo_height, cairo_rowstride;
 109         unsigned char *pixbuf_data, *dst, *cairo_data;
 110         int pixbuf_rowstride, pixbuf_n_channels;
 111         unsigned int *src;
 112         int x, y;
 113
 114         cairo_width = cairo_image_surface_get_width (surface);
 115         cairo_height = cairo_image_surface_get_height (surface);
 116         cairo_rowstride = cairo_image_surface_get_stride (surface);
 117         cairo_data = cairo_image_surface_get_data (surface);
 118
 119         pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
 120         pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 121         pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
 122
 123         if (cairo_width > gdk_pixbuf_get_width (pixbuf))
 124                 cairo_width = gdk_pixbuf_get_width (pixbuf);
 125         if (cairo_height > gdk_pixbuf_get_height (pixbuf))
 126                 cairo_height = gdk_pixbuf_get_height (pixbuf);
 127         for (y = 0; y < cairo_height; y++) {
 128                 src = (unsigned int *) (cairo_data + y * cairo_rowstride);
 129                 dst = pixbuf_data + y * pixbuf_rowstride;
 130                 for (x = 0; x < cairo_width; x++) {
 131                         dst[0] = (*src >> 16) & 0xff;
 132                         dst[1] = (*src >> 8) & 0xff;
 133                         dst[2] = (*src >> 0) & 0xff;
 134                         if (pixbuf_n_channels == 4)
 135                                 dst[3] = (*src >> 24) & 0xff;
 136                         dst += pixbuf_n_channels;
 137                         src++;
 138                 }
 139         }
 140 }
 141 static void
 142 _poppler_page_render_to_pixbuf (PopplerPage *page,
 143                                 int src_x, int src_y,
 144                                 int src_width, int src_height,
 145                                 double scale,
 146                                 int rotation,
 147                                 gboolean printing,
 148                                 GdkPixbuf *pixbuf)
 149 {
 150         cairo_t *cr;
 151         cairo_surface_t *surface;
 152
 153         surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
 154                                         src_width, src_height);
 155         cr = cairo_create (surface);
 156         cairo_save (cr);
 157         switch (rotation) {
 158         case 90:
 159                 cairo_translate (cr, src_x + src_width, -src_y);
 160                 break;
 161         case 180:
 162                 cairo_translate (cr, src_x + src_width, src_y + src_height);
 163                 break;
 164         case 270:
 165                 cairo_translate (cr, -src_x, src_y + src_height);
 166                 break;
 167         default:
 168                 cairo_translate (cr, -src_x, -src_y);
 169         }
 170
 171         if (scale != 1.0)
 172                 cairo_scale (cr, scale, scale);
 173
 174         if (rotation != 0)
 175                 cairo_rotate (cr, rotation * G_PI / 180.0);
 176
 177         if (printing)
 178                 poppler_page_render_for_printing (page, cr);
 179         else
 180                 poppler_page_render (page, cr);
 181         cairo_restore (cr);
 182
 183         cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 184         cairo_set_source_rgb (cr, 1., 1., 1.);
 185         cairo_paint (cr);
 186
 187         cairo_destroy (cr);
 188
 189         copy_cairo_surface_to_pixbuf (surface, pixbuf);
 190         cairo_surface_destroy (surface);
 191 }
 192
 193 /**
 194  * poppler_page_render_to_pixbuf:
 195  * @page: the page to render from
 196  * @src_x: x coordinate of upper left corner
 197  * @src_y: y coordinate of upper left corner
 198  * @src_width: width of rectangle to render
 199  * @src_height: height of rectangle to render
 200  * @scale: scale specified as pixels per point
 201  * @rotation: rotate the document by the specified degree
 202  * @pixbuf: pixbuf to render into
 203  *
 204  * First scale the document to match the specified pixels per point,
 205  * then render the rectangle given by the upper left corner at
 206  * (src_x, src_y) and src_width and src_height.
 207  * This function is for rendering a page that will be displayed.
 208  * If you want to render a page that will be printed use
 209  * poppler_page_render_to_pixbuf_for_printing() instead
 210  *
 211  * Deprecated: 0.16
 212  **/
 213 static void
 214 poppler_page_render_to_pixbuf (PopplerPage *page,
 215                                int src_x, int src_y,
 216                                int src_width, int src_height,
 217                                double scale,
 218                                int rotation,
 219                                GdkPixbuf *pixbuf)
 220 {
 221         g_return_if_fail (POPPLER_IS_PAGE (page));
 222         g_return_if_fail (scale > 0.0);
 223         g_return_if_fail (pixbuf != NULL);
 224
 225         _poppler_page_render_to_pixbuf (page, src_x, src_y,
 226                                   src_width, src_height,
 227                                   scale, rotation,
 228                                   FALSE,
 229                                   pixbuf);
 230 }
 231 #endif
 232 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer)
 233 {
 234         PdfViewer *viewer = (PdfViewer *) _viewer;
 235         debug_print("pdf_viewer_get_widget: %p\n", viewer->vbox);
 236
 237         return GTK_WIDGET(viewer->vbox);
 238 }
 239 /** Hide the index panel */
 240 static void pdf_viewer_hide_index_pane(PdfViewer *viewer)
 241 {
 242         if (viewer->pdf_index) {
 243                 poppler_index_iter_free(viewer->pdf_index);
 244                 viewer->pdf_index = NULL;
 245                 gtk_widget_hide(GTK_WIDGET(viewer->frame_index));
 246         }
 247 }
 248
 249 static void search_matches_free(PdfViewer *viewer)
 250 {
 251         GList *cur;
 252         for(cur = viewer->text_found; cur; cur = cur->next) {
 253                 PageResult *res = (PageResult *)cur->data;
 254                 g_list_free(res->results);
 255                 g_free(res);
 256         }
 257         g_list_free(viewer->text_found);
 258         viewer->text_found = NULL;
 259         g_free(viewer->last_search);
 260         viewer->last_search = NULL;
 261         if (viewer->last_rect && viewer->last_page_result) {
 262                 viewer->last_rect = NULL;
 263                 viewer->last_page_result = NULL;
 264                 pdf_viewer_update((MimeViewer *)viewer,
 265                         FALSE,
 266                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 267         }
 268 }
 269
 270 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y)
 271 {
 272         GtkAdjustment *vadj;
 273         GtkAdjustment *hadj;
 274         vadj = gtk_scrolled_window_get_vadjustment(
 275                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 276
 277         if (y < gtk_adjustment_get_value(vadj)) {
 278                 gtk_adjustment_set_value(vadj, y);
 279         }
 280         else {
 281                 while(y > gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj)) {
 282                         gtk_adjustment_set_value(vadj,
 283                                         gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj));
 284                 }
 285         }
 286
 287         hadj = gtk_scrolled_window_get_hadjustment(
 288                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 289
 290         if (x < gtk_adjustment_get_value(hadj)) {
 291                 gtk_adjustment_set_value(hadj, x);
 292         }
 293         else {
 294                 while(x > gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj)) {
 295                         gtk_adjustment_set_value(hadj,
 296                                         gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj));
 297                 }
 298         }
 299
 300         g_signal_emit_by_name(G_OBJECT(hadj), "value-changed", 0);
 301         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 302 }
 303 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width,
 304                                    double height, double zoom, gint rotate)
 305 {
 306         GdkPixbuf *pb;
 307
 308         debug_print("width: %f\n", width);
 309         pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 310                                 FALSE, 8,
 311                                 (int)(width * zoom),
 312                                 (int)(height * zoom));
 313
 314                         poppler_page_render_to_pixbuf(page, 0, 0,
 315                                 (int)(width * zoom),
 316                                 (int)(height * zoom),
 317                                 zoom, rotate, pb);
 318
 319                         gtk_image_set_from_pixbuf(GTK_IMAGE(view), pb);
 320                         g_object_unref(G_OBJECT(pb));
 321 }
 322 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results)
 323 {
 324         gint selw, selh;
 325         double width_points, height_points;
 326         gint width, height;
 327         GdkPixbuf *sel_pb, *page_pb;
 328         gfloat x1, x2, y1, y2;
 329
 330
 331         gint cur_page_num =
 332                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
 333
 334         viewer->last_match = viewer->res_cnt;
 335
 336         viewer->last_rect = NULL;
 337         viewer->last_page_result = NULL;
 338         if (cur_page_num != page_results->page_num) {
 339                 /* we changed page. update the view */
 340                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 341         (gdouble) page_results->page_num);
 342         }
 343
 344         viewer->last_rect = rect;
 345         viewer->last_page_result = page_results;
 346
 347         GTK_EVENTS_FLUSH();
 348
 349         poppler_page_get_size(POPPLER_PAGE(viewer->pdf_page), &width_points, &height_points);
 350         width = (int)((width_points * viewer->zoom) + 0.5);
 351         height = (int)((height_points * viewer->zoom) + 0.5);
 352
 353         if (viewer->rotate == 90) {
 354                 x1 = MIN(rect->y1,rect->y2) * viewer->zoom;
 355                 x2 = MAX(rect->y1,rect->y2) * viewer->zoom;
 356                 y1 = MAX(rect->x1,rect->x2) * viewer->zoom;
 357                 y2 = MIN(rect->x1,rect->x2) * viewer->zoom;
 358                 selw = (x2 - x1);
 359                 selh = (y1 - y2);
 360
 361         } else if (viewer->rotate == 180) {
 362                 x1 = width - rect->x2 * viewer->zoom;
 363                 x2 = width - rect->x1 * viewer->zoom;
 364                 y1 = height - rect->y2 * viewer->zoom;
 365                 y2 = height - rect->y1 * viewer->zoom;
 366                 selw = (x2 - x1);
 367                 selh = (y2 - y1);
 368                 y1 = height - y1;
 369                 y2 = height - y2;
 370
 371         } else if (viewer->rotate == 270) {
 372                 x1 = height - MAX(rect->y1,rect->y2) * viewer->zoom;
 373                 x2 = height - MIN(rect->y1,rect->y2) * viewer->zoom;
 374                 y1 = width - MIN(rect->x1,rect->x2) * viewer->zoom;
 375                 y2 = width - MAX(rect->x1,rect->x2) * viewer->zoom;
 376                 selw = (x2 - x1);
 377                 selh = (y1 - y2);
 378         } else {
 379                 x1 = rect->x1 * viewer->zoom;
 380                 x2 = rect->x2 * viewer->zoom;
 381                 y1 = rect->y1 * viewer->zoom;
 382                 y2 = rect->y2 * viewer->zoom;
 383                 selw = (x2 - x1);
 384                 selh = (y2 - y1);
 385                 y1 = height - y1;
 386                 y2 = height - y2;
 387         }
 388
 389         sel_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
 390                                                         selw, selh);
 391
 392         gdk_pixbuf_fill(sel_pb, SELECTION_COLOR);
 393
 394         page_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 395                                         FALSE, 8,
 396                                 (int)(viewer->width * viewer->zoom),
 397                                 (int)(viewer->height * viewer->zoom));
 398
 399         poppler_page_render_to_pixbuf(viewer->pdf_page,
 400                                         0,
 401                                         0,
 402                                 (int)(viewer->width * viewer->zoom),
 403                                 (int)(viewer->height * viewer->zoom),
 404                                         viewer->zoom,
 405                                         viewer->rotate,
 406                                         page_pb);
 407
 408         gdk_pixbuf_composite(sel_pb, page_pb,
 409                                         x1, y2, selw, selh, 0, 0,
 410                                         viewer->zoom, viewer->zoom,
 411                                         GDK_INTERP_BILINEAR, ALPHA_CHANNEL);
 412
 413         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), page_pb);
 414
 415         pdf_viewer_scroll_to(viewer, MIN(x1,x2), MIN(y1,y2));
 416
 417         g_object_unref(G_OBJECT(sel_pb));
 418         g_object_unref(G_OBJECT(page_pb));
 419
 420 }
 421
 422 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
 423                                      const gchar *str, gboolean case_sens)
 424 {
 425         PdfViewer *viewer = (PdfViewer *)_viewer;
 426         GList *all_pages_results, *cur_page_results;
 427         viewer->res_cnt = 0;
 428
 429         debug_print("pdf_viewer_text_search: %s\n", str);
 430         main_window_cursor_wait(mainwindow_get_mainwindow());
 431
 432         if (viewer->last_search && strcmp(str, viewer->last_search)) {
 433                 search_matches_free(viewer);
 434                 viewer->last_match = -1;
 435                 viewer->num_matches = 0;
 436         } else if (!viewer->last_search) {
 437                 viewer->last_match = -1;
 438                 viewer->num_matches = 0;
 439         }
 440         /* It's a new search, build list of matches
 441          * across all pages */
 442         if (viewer->last_match == -1) {
 443                 gint i;
 444
 445                 for(i = 1; i <= viewer->num_pages; i++) {
 446
 447                         PopplerPage *pdf_page = poppler_document_get_page(viewer->pdf_doc, i - 1);
 448                         viewer->page_results = poppler_page_find_text(pdf_page, str);
 449
 450                         if (viewer->page_results != NULL) {
 451                                 debug_print("page_results %p\n", viewer->page_results);
 452                                 /* store results for this page */
 453                                 guint num_res = 0;
 454                                 PageResult *res = g_new0(PageResult, 1);
 455                                 res->results = viewer->page_results;
 456                                 res->page_num = i;
 457                                 /* found text, prepend this page(faster than append) */
 458                                 viewer->text_found = g_list_prepend(viewer->text_found, res);
 459                                 num_res = g_list_length(viewer->page_results);
 460                                 debug_print("%d results on page %d\n", num_res, i);
 461                                 viewer->num_matches += num_res;
 462                         }
 463                         g_object_unref(G_OBJECT(pdf_page));
 464                 }
 465
 466                 if (viewer->text_found == NULL) {
 467                         main_window_cursor_normal(mainwindow_get_mainwindow());
 468                         return FALSE;
 469                 }
 470                 /* put back the list in the correct order */
 471                 viewer->text_found = g_list_reverse(viewer->text_found);
 472         }
 473
 474         if (!viewer->text_found) {
 475                 main_window_cursor_normal(mainwindow_get_mainwindow());
 476                 return FALSE;
 477         } else {
 478                 viewer->last_search = g_strdup(str);
 479         }
 480
 481         if (backward) {
 482                 /* if backward, we have to initialize stuff to search
 483                  * from the end */
 484                 viewer->res_cnt = viewer->num_matches-1;
 485                 if (viewer->last_match == -1) {
 486                         viewer->last_match = viewer->num_matches+1;
 487                 }
 488                 all_pages_results = g_list_last(viewer->text_found);
 489         }
 490         else {
 491                 all_pages_results = viewer->text_found;
 492         }
 493
 494         for(; all_pages_results; all_pages_results = (backward?all_pages_results->prev:all_pages_results->next)) {
 495
 496                 PageResult * page_results = (PageResult *)all_pages_results->data;
 497
 498                 if (backward) {
 499                         cur_page_results = g_list_last(page_results->results);
 500                 }
 501                 else {
 502                         cur_page_results = page_results->results;
 503                 }
 504
 505                 for(; cur_page_results; cur_page_results = (backward?cur_page_results->prev:cur_page_results->next)) {
 506
 507                         gboolean valid = FALSE;
 508                         /* first valid result is the last+1 if searching
 509                          * forward, last-1 if searching backward */
 510                         if (backward) {
 511                                 valid = (viewer->res_cnt < viewer->last_match);
 512                         }
 513                         else {
 514                                 valid = (viewer->res_cnt > viewer->last_match);
 515                         }
 516                         if (valid) {
 517                                 pdf_viewer_render_selection(viewer,
 518                                         (PopplerRectangle *)cur_page_results->data,
 519                                                 page_results);
 520                                 main_window_cursor_normal(mainwindow_get_mainwindow());
 521                                 return TRUE;
 522                         }
 523
 524                         if (backward) {
 525                                 viewer->res_cnt--;
 526                         }
 527                         else {
 528                                 viewer->res_cnt++;
 529                         }
 530                 }
 531         }
 532         main_window_cursor_normal(mainwindow_get_mainwindow());
 533         search_matches_free(viewer);
 534         return FALSE;
 535 }
 536
 537 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter)
 538 {
 539         PopplerAction *action;
 540         PopplerIndexIter *child;
 541         GtkTreeIter childiter;
 542
 543         debug_print("get document index\n");
 544         do      {
 545                 gint page_num = 0;
 546
 547                 action = poppler_index_iter_get_action(index_iter);
 548
 549                 if (action->type != POPPLER_ACTION_GOTO_DEST) {
 550                         poppler_action_free(action);
 551                         continue;
 552                 }
 553
 554                 if (action->goto_dest.dest->type == POPPLER_DEST_XYZ || action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 555                         page_num = action->goto_dest.dest->page_num;
 556                 }
 557 #ifdef HAVE_POPPLER_DEST_NAMED
 558                 else if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 559                         PopplerDest *dest = poppler_document_find_dest(
 560                                         viewer->pdf_doc, action->goto_dest.dest->named_dest);
 561                         if (dest->type != POPPLER_DEST_XYZ) {
 562                                 g_warning("couldn't figure out link");
 563                                 poppler_dest_free(dest);
 564                                 continue;
 565                         }
 566                         page_num = dest->page_num;
 567                         poppler_dest_free(dest);
 568                 }
 569 #endif
 570                 else {
 571 #ifdef HAVE_POPPLER_DEST_NAMED
 572                         g_warning("unhandled link type %d. please contact developers", action->goto_dest.dest->type);
 573 #else
 574                         g_warning("unhandled link type %d. please upgrade libpoppler-glib to 0.5.4", action->goto_dest.dest->type);
 575 #endif
 576                         continue;
 577                 }
 578                 gtk_tree_store_append(GTK_TREE_STORE(viewer->index_model), &childiter, parentiter);
 579                 gtk_tree_store_set(GTK_TREE_STORE(viewer->index_model), &childiter,
 580                                                 INDEX_NAME, action->named.title,
 581                                                 INDEX_PAGE, page_num,
 582                                                 INDEX_TOP, action->goto_dest.dest->top,
 583                                                 -1);
 584                 poppler_action_free(action);
 585                 child = poppler_index_iter_get_child(index_iter);
 586                 if (child) {
 587                         pdf_viewer_get_document_index(viewer, child, &childiter);
 588                         poppler_index_iter_free(child);
 589                 }
 590         }
 591         while(poppler_index_iter_next(index_iter));
 592 }
 593
 594 static void pdf_viewer_index_row_activated(GtkTreeView          *tree_view,
 595                                         GtkTreePath             *path,
 596                                         GtkTreeViewColumn       *column,
 597                                         gpointer                 data)
 598 {
 599         GtkTreeIter iter;
 600         GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
 601         PdfViewer *viewer = (PdfViewer *)data;
 602         gint page_num = 0;
 603
 604         debug_print("index_row_activated\n");
 605         if (!gtk_tree_model_get_iter(model, &iter, path)) return;
 606
 607         gtk_tree_model_get(model, &iter,
 608                            INDEX_PAGE, &page_num,
 609                            -1);
 610
 611         if (page_num > 0) {
 612                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),(gdouble)page_num);
 613                 debug_print("Page num: %d\n", page_num);
 614         }
 615         GTK_EVENTS_FLUSH();
 616 }
 617
 618 /** Disable the index button if the document doesn't have an index */
 619 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer)
 620 {
 621         viewer->pdf_index  = poppler_index_iter_new(viewer->pdf_doc);
 622         if (viewer->pdf_index) {
 623                 if (!gtk_widget_is_sensitive(viewer->doc_index)) {
 624                         gtk_widget_set_sensitive(viewer->doc_index, TRUE);
 625                 }
 626         }
 627         else {
 628                 gtk_widget_set_sensitive(viewer->doc_index, FALSE);
 629         }
 630
 631     poppler_index_iter_free(viewer->pdf_index);
 632     viewer->pdf_index = NULL;
 633 }
 634
 635 static char * pdf_viewer_get_document_format_data(GTime utime)
 636 {
 637         time_t time = (time_t) utime;
 638         struct tm t;
 639         char s[256];
 640         const char *fmt_hack = "%c";
 641         size_t len;
 642
 643         if (time == 0 || !localtime_r(&time, &t)) return NULL;
 644
 645         len = strftime(s, sizeof(s), fmt_hack, &t);
 646
 647         if (len == 0 || s[0] == '\0') return NULL;
 648
 649         return g_locale_to_utf8(s, -1, NULL, NULL, NULL);
 650 }
 651
 652 #define ADD_TO_TABLE(LABEL, VALUE) \
 653         label = gtk_label_new(LABEL); \
 654         gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5); \
 655         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 656         gtk_table_attach(viewer->table_doc_info, label, 0, 1, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 657         \
 658         label = gtk_label_new(VALUE); \
 659         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); \
 660         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 661         gtk_table_attach(viewer->table_doc_info, label, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 662         row++;
 663
 664
 665 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer)
 666 {
 667         GtkWidget *label;
 668         const gchar *title, *format, *author, *subject, *keywords, *creator, *producer;
 669         gboolean linearized;
 670         gchar *tmp;
 671         gint row = 0;
 672
 673         GTime creation_date, mod_date;
 674
 675         PopplerPageLayout layout;
 676         PopplerPageMode mode;
 677         PopplerPermissions permissions;
 678         PopplerViewerPreferences view_prefs;
 679
 680         title = format = author = subject = keywords = creator = producer = tmp = 0;
 681
 682         g_object_get(viewer->pdf_doc,
 683                                 "title", &title,
 684                                 "format", &format,
 685                                 "author", &author,
 686                                 "subject", &subject,
 687                                 "keywords", &keywords,
 688                                 "creation-date", &creation_date,
 689                                 "permissions", &permissions,
 690                                 "mod-date", &mod_date,
 691                                 "creator", &creator,
 692                                 "producer", &producer,
 693                                 "linearized", &linearized,
 694                                 "page-mode", &mode,
 695                                 "page-layout", &layout,
 696                                 "viewer-preferences", &view_prefs,
 697                                 NULL);
 698
 699         viewer->table_doc_info = GTK_TABLE(gtk_table_new(13, 2, FALSE));
 700
 701         ADD_TO_TABLE(_("Filename:"), viewer->target_filename)
 702         ADD_TO_TABLE(_("Size:"), to_human_readable(viewer->to_load->length))
 703         ADD_TO_TABLE(NULL, NULL)
 704         ADD_TO_TABLE(_("Title:"), title)
 705         ADD_TO_TABLE(_("Subject:"), subject)
 706         ADD_TO_TABLE(_("Author:"), author)
 707         ADD_TO_TABLE(_("Keywords:"), keywords)
 708         ADD_TO_TABLE(_("Creator:"), creator)
 709         ADD_TO_TABLE(_("Producer:"), producer)
 710
 711         tmp = pdf_viewer_get_document_format_data(creation_date);
 712         ADD_TO_TABLE(_("Created:"), tmp)
 713         g_free(tmp);
 714
 715         tmp = pdf_viewer_get_document_format_data(mod_date);
 716         ADD_TO_TABLE(_("Modified:"), tmp)
 717         g_free(tmp);
 718
 719         ADD_TO_TABLE(_("Format:"), format)
 720         if (linearized) {
 721                 ADD_TO_TABLE(_("Optimized:"), _("Yes"))
 722         }
 723         else {
 724                 ADD_TO_TABLE(_("Optimized:"), _("No"))
 725         }
 726         //ADD_TO_TABLE(_("Page Mode:"), pdf_viewer_get_document_info_mode(mode))
 727         //ADD_TO_TABLE(_("Page Layout:"), pdf_viewer_get_document_info_layout(layout))
 728
 729         return(GtkTable *) viewer->table_doc_info;
 730 }
 731 #undef ADD_TO_TABLE
 732
 733 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo)
 734 {
 735         gchar *content_type = NULL;
 736         FileType type = TYPE_UNKNOWN;
 737         debug_print("mimepart_get_type\n");
 738         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 739         (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 740
 741                 const gchar *filename;
 742
 743                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 744
 745                         if (filename == NULL)
 746                                 filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 747                         if (filename != NULL)
 748                                 content_type = procmime_get_mime_type(filename);
 749         }
 750         else {
 751                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 752         }
 753
 754         if (content_type == NULL) type = TYPE_UNKNOWN;
 755         else if (!strcmp(content_type, "application/pdf")) type = TYPE_PDF;
 756         else if (!strcmp(content_type, "application/postscript")) type = TYPE_PS;
 757         else type = TYPE_UNKNOWN;
 758
 759         g_free(content_type);
 760         return type;
 761 }
 762
 763 /* Callbacks */
 764 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer)
 765 {
 766
 767         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
 768 }
 769
 770 static void pdf_viewer_button_prev_page_cb(GtkButton *button, PdfViewer *viewer)
 771 {
 772
 773         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
 774 }
 775
 776 static void pdf_viewer_button_next_page_cb(GtkButton *button, PdfViewer *viewer)
 777 {
 778
 779         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
 780 }
 781
 782 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer)
 783 {
 784
 785         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_END, 1);
 786 }
 787
 788 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer)
 789 {
 790         pdf_viewer_update((MimeViewer *)viewer,
 791                         FALSE,
 792                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 793 }
 794
 795 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer)
 796 {
 797
 798         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_FORWARD, ZOOM_FACTOR);
 799 }
 800
 801 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer)
 802 {
 803         viewer->zoom = gtk_spin_button_get_value(GTK_SPIN_BUTTON(viewer->zoom_scroll));
 804         pdf_viewer_update((MimeViewer *)viewer,
 805                         FALSE,
 806                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 807 }
 808
 809 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer)
 810 {
 811
 812         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_BACKWARD, ZOOM_FACTOR);
 813
 814 }
 815
 816 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 817 {
 818         gchar *uri;
 819         GdkWindow *gdkwin;
 820         #ifdef HAVE_POPPLER_DEST_NAMED
 821         PopplerDest *dest;
 822         #endif
 823         static GdkCursor *hand_cur = NULL;
 824
 825         if (!hand_cur) hand_cur = gdk_cursor_new(GDK_FLEUR);
 826
 827         /* Execute Poppler Links */
 828         if (event->button == 1 && viewer->in_link) {
 829                 switch (viewer->link_action->type) {
 830                 case POPPLER_ACTION_UNKNOWN:
 831                         debug_print("action unknown\n");
 832                         break;
 833                 case POPPLER_ACTION_GOTO_DEST:
 834                         if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_XYZ ||
 835                                         viewer->link_action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 836                                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 837                                                                           (gdouble)viewer->link_action->goto_dest.dest->page_num);
 838                         }
 839                 #ifdef HAVE_POPPLER_DEST_NAMED
 840                         else if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 841                                 dest = poppler_document_find_dest(
 842                                         viewer->pdf_doc, viewer->link_action->goto_dest.dest->named_dest);
 843                         if (dest->type != POPPLER_DEST_XYZ) {
 844                                 g_warning("couldn't figure out link");
 845                                 poppler_dest_free(dest);
 846                                 break;
 847                         }
 848                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 849                                                                           (gdouble)dest->page_num);
 850                         poppler_dest_free(dest);
 851                 }
 852                 #endif
 853                         break;
 854                 case POPPLER_ACTION_GOTO_REMOTE:
 855                         #ifdef HAVE_POPPLER_DEST_NAMED
 856                         dest = poppler_document_find_dest(
 857                                         viewer->pdf_doc, viewer->link_action->goto_remote.dest->named_dest);
 858                         if (dest->type != POPPLER_DEST_XYZ) {
 859                                 g_warning ("couldn't figure out link");
 860                                 poppler_dest_free(dest);
 861                                 break;
 862                         }
 863                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 864                                                                           (gdouble)dest->page_num);
 865                         poppler_dest_free(dest);
 866                         #endif
 867                         break;
 868                 case POPPLER_ACTION_LAUNCH:
 869                         debug_print("action launch not yet implemented\n");
 870                         break;
 871                 case POPPLER_ACTION_URI:
 872                         uri = g_strdup(viewer->link_action->uri.uri);
 873                         if (!g_ascii_strncasecmp(uri, "mailto:", 7))
 874                                 compose_new(NULL, uri + 7, NULL);
 875                         else
 876                                 open_uri(uri, prefs_common_get_uri_cmd());
 877                         g_free(uri);
 878                         break;
 879                 case POPPLER_ACTION_NAMED:
 880                         debug_print("action named not yet implemented\n");
 881                         break;
 882                 case POPPLER_ACTION_NONE:
 883                         debug_print("action none does nothing, surprise!\n");
 884                         break;
 885                 case POPPLER_ACTION_MOVIE:
 886                         debug_print("yoyoyo ;-) a movie?\n");
 887                         break;
 888 #if POPPLER_CHECK_VERSION(0,14,0)
 889                 case POPPLER_ACTION_RENDITION:
 890                         debug_print("yoyoyo ;-) multimedia?\n");
 891                         break;
 892                 case POPPLER_ACTION_OCG_STATE:
 893                         debug_print("yoyoyo ;-) layer state?\n");
 894                         break;
 895 #if POPPLER_CHECK_VERSION(0,18,0)
 896                 case POPPLER_ACTION_JAVASCRIPT:
 897                         debug_print("yoyoyo ;-) javascript?\n");
 898                         break;
 899 #endif /* 0.18 */
 900 #endif /* 0.14 */
 901                 }
 902                 if (((MimeViewer *)viewer)->mimeview &&
 903                         ((MimeViewer *)viewer)->mimeview->messageview &&
 904                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 905                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 906                         gdk_window_set_cursor (gdkwin, NULL);
 907                 else
 908                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
 909         }
 910
 911         /* Init document to be scrolled with left mouse click */
 912         if (event->button == 1 && !viewer->in_link) {
 913                 viewer->pdf_view_scroll = TRUE;
 914                 if (((MimeViewer *)viewer)->mimeview &&
 915                         ((MimeViewer *)viewer)->mimeview->messageview &&
 916                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 917                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 918                         gdk_window_set_cursor (gdkwin, hand_cur);
 919                 else
 920                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), hand_cur);
 921
 922                 viewer->last_x = event->x;
 923                 viewer->last_y = event->y;
 924                 viewer->last_dir_x = 0;
 925                 viewer->last_dir_y = 0;
 926         }
 927 }
 928 /* Set the normal cursor*/
 929 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 930 {
 931         GdkWindow *gdkwin;
 932
 933         if (event->button == 1) {
 934                 viewer->pdf_view_scroll = FALSE;
 935                 if (((MimeViewer *)viewer)->mimeview &&
 936                         ((MimeViewer *)viewer)->mimeview->messageview &&
 937                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 938                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 939                         gdk_window_set_cursor (gdkwin, NULL);
 940                 else
 941                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
 942         }
 943 }
 944
 945 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer)
 946 {
 947         GdkWindow *gdkwin;
 948
 949         /* Grab the document and scroll it with mouse */
 950         if (viewer->pdf_view_scroll) {
 951
 952                 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 953                 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 954
 955                         if (event->x < viewer->last_x
 956                                         && gtk_adjustment_get_value(viewer->pdf_view_hadj) < (gtk_adjustment_get_upper(viewer->pdf_view_hadj) - gtk_adjustment_get_page_size(viewer->pdf_view_hadj))) {
 957                                 if (viewer->last_dir_x == -1) {
 958                                         gtk_adjustment_set_value(viewer->pdf_view_hadj,
 959                                                         gtk_adjustment_get_value(viewer->pdf_view_hadj)
 960                                                         + viewer->last_x
 961                                                         - event->x);
 962                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 963                                                                 "value_changed", 0);
 964                                 }
 965                                 viewer->last_dir_x = -1;
 966                         }
 967                         else if (event->x > viewer->last_x
 968                                         && gtk_adjustment_get_value(viewer->pdf_view_hadj) > 0.0)  {
 969                                 if (viewer->last_dir_x == +1) {
 970                                         gtk_adjustment_set_value(viewer->pdf_view_hadj,
 971                                                         gtk_adjustment_get_value(viewer->pdf_view_hadj)
 972                                                         + viewer->last_x
 973                                                         - event->x);
 974                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 975                                                                 "value_changed", 0);
 976                                 }
 977                                 viewer->last_dir_x = +1;
 978                         }
 979
 980                         if (event->y < viewer->last_y
 981                                         && gtk_adjustment_get_value(viewer->pdf_view_vadj) < (gtk_adjustment_get_upper(viewer->pdf_view_vadj) - gtk_adjustment_get_page_size(viewer->pdf_view_vadj))) {
 982                                 if (viewer->last_dir_y == -1) {
 983                                         gtk_adjustment_set_value(viewer->pdf_view_vadj,
 984                                                         gtk_adjustment_get_value(viewer->pdf_view_vadj)
 985                                                         + viewer->last_y
 986                                                         - event->y);
 987                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
 988                                                                 "value_changed", 0);
 989                                 }
 990                                 viewer->last_dir_y = -1;
 991                         }
 992                         else if (event->y > viewer->last_y
 993                                         && gtk_adjustment_get_value(viewer->pdf_view_vadj) > 0.0)  {
 994                                 if (viewer->last_dir_y == +1) {
 995                                         gtk_adjustment_set_value(viewer->pdf_view_vadj,
 996                                                         gtk_adjustment_get_value(viewer->pdf_view_vadj)
 997                                                         + viewer->last_y
 998                                                         - event->y);
 999                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
1000                                                                 "value_changed", 0);
1001                                 }
1002                                 viewer->last_dir_y = +1;
1003                         }
1004                         viewer->last_x = event->x;
1005                         viewer->last_y = event->y;
1006                         GTK_EVENTS_FLUSH();
1007                 }
1008         else {
1009         /* Link Mapping */
1010         static GList *l;
1011         static GdkCursor *link_cur = NULL;
1012         static GtkRequisition size;
1013         static gdouble x,y, x1, y1, x2, y2;
1014         gboolean ccur;
1015
1016         viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1017         viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1018
1019         if (!link_cur) link_cur = gdk_cursor_new(GDK_HAND2);
1020
1021         ccur = FALSE;
1022         viewer->in_link = FALSE;
1023         for (l = viewer->link_map; l; l = g_list_next (l)) {
1024                 gint upper;
1025                 PopplerLinkMapping *lmapping;
1026                 lmapping = (PopplerLinkMapping *)l->data;
1027
1028                 x1 = lmapping->area.x1;
1029                 y1 = lmapping->area.y1;
1030                 x2 = lmapping->area.x2;
1031                 y2 = lmapping->area.y2;
1032                 gtk_widget_size_request(viewer->pdf_view, &size);
1033
1034                 upper = gtk_adjustment_get_upper(viewer->pdf_view_hadj);
1035                 switch (viewer->rotate) {
1036                 case 0:
1037                 case 360:
1038                                 if (size.width != upper)
1039                                         x = (event->x - (upper - size.width) / 2) / viewer->zoom;
1040                                 else
1041                                         x = event->x / viewer->zoom;
1042
1043                                 y = (upper - event->y) / viewer->zoom;
1044                         break;
1045                 case 90:
1046                                 if (size.width != upper)
1047                                         y = (event->x - (upper - size.width) / 2) / viewer->zoom;
1048                                 else
1049                                         y = event->x / viewer->zoom;
1050
1051                                 x = (event->y) / viewer->zoom;
1052                         break;
1053                 case 180:
1054                                 if (size.width != upper)
1055                                         x = ((upper -  event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1056                                 else
1057                                         x =  ((upper -  event->x) - (upper - size.width)) / viewer->zoom;
1058
1059                                 y = (event->y) / viewer->zoom;
1060                         break;
1061                 case 270:
1062                                 if (size.width != upper)
1063                                         y = ((upper -  event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1064                                 else
1065                                         y =  ((upper -  event->x) - (upper - size.width)) / viewer->zoom;
1066
1067                                 x = (upper - event->y) / viewer->zoom;
1068                         break;
1069                 }
1070
1071                 if ( (x > x1 && x < x2) && (y > y1 && y < y2) ) {
1072                                 viewer->in_link = TRUE;
1073                         if (((MimeViewer *)viewer)->mimeview &&
1074                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1075                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1076                                 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1077                                         gdk_window_set_cursor (gdkwin, link_cur);
1078                                 else
1079                                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), link_cur);
1080
1081                                 viewer->link_action = lmapping->action;
1082                                 ccur = TRUE;
1083                 }
1084                 if (!ccur) {
1085                         if (((MimeViewer *)viewer)->mimeview &&
1086                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1087                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1088                                 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1089                                 gdk_window_set_cursor (gdkwin, NULL);
1090                         else
1091                                 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
1092                 }
1093         }
1094         g_free(l);
1095         }
1096 }
1097 static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
1098                                     PdfViewer *viewer)
1099 {
1100         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1101         static gboolean in_scroll_cb = FALSE;
1102         gboolean handled = FALSE;
1103         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1104
1105         if (in_scroll_cb)
1106                 return FALSE;
1107
1108         in_scroll_cb = TRUE;
1109
1110         if (event->direction == GDK_SCROLL_UP &&
1111             gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
1112             cur_p > 1) {
1113                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1114                 gtk_adjustment_set_value(adj,
1115                                 gtk_adjustment_get_upper(adj) - gtk_adjustment_get_page_size(adj));
1116                 handled = TRUE;
1117         } else if (event->direction == GDK_SCROLL_DOWN &&
1118             gtk_adjustment_get_value(adj) + gtk_adjustment_get_page_size(adj) == gtk_adjustment_get_upper(adj) &&
1119             cur_p < viewer->num_pages) {
1120                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1121                 gtk_adjustment_set_value(adj, 0.0);
1122                 handled = TRUE;
1123         }
1124         in_scroll_cb = FALSE;
1125         return handled;
1126 }
1127
1128 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer)
1129 {
1130         GtkAllocation allocation;
1131         double xratio, yratio;
1132         gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1133         debug_print("width: %d\n", allocation.width);
1134         debug_print("height: %d\n", allocation.height);
1135         xratio = allocation.width / viewer->width;
1136         yratio = allocation.height / viewer->height;
1137
1138         if (xratio >= yratio) {
1139                 viewer->zoom = yratio;
1140                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1141         }
1142         else {
1143                 viewer->zoom = xratio;
1144                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1145         }
1146 }
1147
1148 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer)
1149 {
1150         GtkAllocation allocation;
1151         double xratio;
1152         gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1153         debug_print("width: %d\n", allocation.width);
1154         xratio = allocation.width / viewer->width;
1155         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), xratio);
1156 }
1157
1158 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer)
1159 {
1160         if (viewer->rotate == 360) {
1161                 viewer->rotate = 0;
1162         }
1163
1164         viewer->rotate += (gint) ROTATION;
1165         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1166                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1167 }
1168
1169 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer)
1170 {
1171         if (viewer->rotate == 0) {
1172                 viewer->rotate = 360;
1173         }
1174
1175         viewer->rotate = abs(viewer->rotate -(gint) ROTATION);
1176         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1177                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1178 }
1179
1180 /* Show/Hide the index pane */
1181 static void pdf_viewer_show_document_index_cb(GtkButton *button, PdfViewer *viewer)
1182 {
1183         if (!viewer->pdf_index) {
1184                 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
1185         }
1186
1187         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1188
1189         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(viewer->doc_index))) {
1190                 pdf_viewer_get_document_index(viewer,(PopplerIndexIter *) viewer->pdf_index, NULL);
1191                 gtk_widget_show(GTK_WIDGET(viewer->frame_index));
1192         }
1193         else {
1194                 pdf_viewer_hide_index_pane(viewer);
1195         }
1196
1197 }
1198
1199 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer)
1200 {
1201         MainWindow *mainwin = mainwindow_get_mainwindow();
1202         summary_print(mainwin->summaryview);
1203 }
1204
1205 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer)
1206 {
1207         alertpanel_full(_("PDF properties"), NULL, GTK_STOCK_CLOSE, NULL, NULL,
1208                         ALERTFOCUS_FIRST, FALSE,
1209                         GTK_WIDGET(pdf_viewer_fill_info_table(viewer)),
1210                         ALERT_NOTICE);
1211 }
1212
1213 /*
1214 static const char * poppler_get_document_info_mode(PopplerPageMode mode)
1215 {
1216         GEnumValue *enum_value;
1217
1218         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_MODE), mode);
1219         return(gchar *) enum_value->value_name;
1220 }
1221 static const char * poppler_get_document_info_layout(PopplerPageLayout layout)
1222 {
1223
1224         GEnumValue *enum_value;
1225
1226         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_LAYOUT), layout);
1227         return(gchar *) enum_value->value_name;
1228 }
1229 */
1230 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show)
1231 {
1232         if (show) {
1233                 gtk_widget_show(viewer->first_page);
1234                 gtk_widget_show(viewer->cur_page);
1235                 gtk_widget_show(viewer->prev_page);
1236                 gtk_widget_show(viewer->next_page);
1237                 gtk_widget_show(viewer->last_page);
1238                 gtk_widget_show(viewer->zoom_in);
1239                 gtk_widget_show(viewer->zoom_out);
1240                 gtk_widget_show(viewer->zoom_fit);
1241                 gtk_widget_show(viewer->zoom_width);
1242                 gtk_widget_show(viewer->zoom_scroll);
1243                 gtk_widget_show(viewer->widgets_table);
1244                 gtk_widget_show(viewer->rotate_right);
1245                 gtk_widget_show(viewer->rotate_left);
1246                 gtk_widget_show(viewer->print);
1247                 gtk_widget_show(viewer->doc_info);
1248                 gtk_widget_show(viewer->doc_index);
1249         } else {
1250                 gtk_widget_hide(viewer->first_page);
1251                 gtk_widget_hide(viewer->cur_page);
1252                 gtk_widget_hide(viewer->prev_page);
1253                 gtk_widget_hide(viewer->next_page);
1254                 gtk_widget_hide(viewer->last_page);
1255                 gtk_widget_hide(viewer->zoom_in);
1256                 gtk_widget_hide(viewer->zoom_out);
1257                 gtk_widget_hide(viewer->zoom_fit);
1258                 gtk_widget_hide(viewer->zoom_width);
1259                 gtk_widget_hide(viewer->zoom_scroll);
1260                 gtk_widget_hide(viewer->widgets_table);
1261                 gtk_widget_hide(viewer->rotate_right);
1262                 gtk_widget_hide(viewer->rotate_left);
1263                 gtk_widget_hide(viewer->print);
1264                 gtk_widget_hide(viewer->doc_info);
1265                 gtk_widget_hide(viewer->doc_index);
1266         }
1267 }
1268 /** Render the current page, page_num on the viewer */
1269 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num)
1270 {
1271
1272         PdfViewer *viewer = (PdfViewer *) _viewer;
1273         GError *error = NULL;
1274         gchar *tmpfile = NULL;
1275         gchar *tmp;
1276         gchar *password = NULL;
1277
1278         debug_print("pdf_viewer_update\n");
1279
1280         if (reload_file) {
1281                 if (viewer->pdf_doc) {
1282                         g_object_unref(G_OBJECT(viewer->pdf_doc));
1283                         viewer->pdf_doc = NULL;
1284                 }
1285
1286                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1287                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PS,
1288                                         &viewer->icon_pixbuf);
1289                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1290                                                                         viewer->icon_pixbuf);
1291                 }
1292                 else if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF) {
1293                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PDF,
1294                         &viewer->icon_pixbuf);
1295                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1296                                                                         viewer->icon_pixbuf);
1297                 }
1298                 else {
1299                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1300                         &viewer->icon_pixbuf);
1301                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1302                                                                         viewer->icon_pixbuf);
1303                 }
1304
1305                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), _("Loading..."));
1306                 pdf_viewer_show_controls(viewer, FALSE);
1307                 main_window_cursor_wait(mainwindow_get_mainwindow());
1308
1309                 GTK_EVENTS_FLUSH();
1310
1311                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1312                         gchar *cmdline = NULL, *tmp = NULL, *gspath = NULL;
1313                         gint result = 0;
1314
1315                         if ((gspath = g_find_program_in_path("gs")) != NULL) {
1316                                 g_free(gspath);
1317                                 /* convert postscript to pdf */
1318                                 tmpfile = get_tmp_file();
1319                                 cmdline = g_strdup_printf(
1320                                         "gs -dSAFER -dCompatibilityLevel=1.2 -q -dNOPAUSE -dBATCH "
1321                                           "-sDEVICE=pdfwrite -sOutputFile=%s -c .setpdfwrite -f \"%s\"",
1322                                         tmpfile, viewer->filename);
1323                                 result = execute_command_line(cmdline, FALSE, NULL);
1324                                 if (result == 0) {
1325                                         tmp = g_filename_to_uri(tmpfile, NULL, NULL);
1326                                         viewer->pdf_doc = poppler_document_new_from_file( tmp, NULL, &error);
1327                                         g_free(tmp);
1328                                 }
1329                                 else {
1330                                         g_warning("gs conversion failed: %s returned %d", cmdline, result);
1331                                         tmp = g_strdup_printf("gs: err %d", result);
1332                                         alertpanel_warning("%s", tmp);
1333                                         g_free(tmp);
1334                                 }
1335
1336                                 g_free(cmdline);
1337                                 claws_unlink(tmpfile);
1338                                 g_free(tmpfile);
1339                         }
1340                         else {
1341                                 g_warning("gs conversion disabled: gs binary was not found");
1342                                 alertpanel_warning("PostScript view disabled: required gs program not found");
1343                                 result = 1;
1344
1345                         }
1346                         if (result != 0) {
1347                                 main_window_cursor_normal(mainwindow_get_mainwindow());
1348                                 return;
1349                         }
1350                 }
1351                 else {
1352                         viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
1353                 }
1354                 if (error && g_error_matches(error, POPPLER_ERROR, POPPLER_ERROR_ENCRYPTED)) {
1355                         g_clear_error(&error);
1356                         password = input_dialog_with_invisible(_("Enter password"),
1357                                         _("This document is locked and requires a password before it can be opened."),
1358                                         "");
1359                         viewer->pdf_doc = poppler_document_new_from_file(viewer->fsname, password, &error);
1360                         g_free(password);
1361                 }
1362
1363                 viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);
1364
1365                 g_signal_handlers_block_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1366                 gtk_spin_button_set_range(GTK_SPIN_BUTTON(viewer->cur_page),
1367                                                                         1,
1368                                                                 (gdouble)viewer->num_pages );
1369
1370                 g_signal_handlers_unblock_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1371                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
1372                 tmp = g_strdup_printf(_("%s Document"),pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF ? "PDF":"Postscript");
1373                 CLAWS_SET_TIP(
1374                                 GTK_WIDGET(viewer->icon_type_ebox),
1375                                 tmp);
1376                 g_free(tmp);
1377
1378                 tmp = g_strdup_printf(_("of %d"), viewer->num_pages);
1379                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), tmp);
1380                 g_free(tmp);
1381
1382                 pdf_viewer_show_controls(viewer, TRUE);
1383                 main_window_cursor_normal(mainwindow_get_mainwindow());
1384         }
1385         if (viewer->pdf_doc == NULL) {
1386                 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1387                                 &viewer->icon_pixbuf);
1388
1389                 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type), viewer->icon_pixbuf);
1390                 if (error) {
1391                         strretchomp(error->message);
1392                         alertpanel_error("%s", error->message);
1393                 } else {
1394                         alertpanel_error(_("PDF rendering failed for an unknown reason."));
1395                 }
1396                 pdf_viewer_show_controls(viewer, FALSE);
1397                 g_error_free(error);
1398                 return;
1399         }
1400
1401         if (page_num == 1) {
1402                 gtk_widget_set_sensitive(viewer->first_page, FALSE);
1403                 gtk_widget_set_sensitive(viewer->prev_page, FALSE);
1404         }
1405         else {
1406                 gtk_widget_set_sensitive(viewer->first_page, TRUE);
1407                 gtk_widget_set_sensitive(viewer->prev_page, TRUE);
1408         }
1409
1410         if (page_num == viewer->num_pages) {
1411                 gtk_widget_set_sensitive(viewer->last_page, FALSE);
1412                 gtk_widget_set_sensitive(viewer->next_page, FALSE);
1413         }
1414         else {
1415                 gtk_widget_set_sensitive(viewer->last_page, TRUE);
1416                 gtk_widget_set_sensitive(viewer->next_page, TRUE);
1417         }
1418
1419         /* check for the index if exists */
1420         pdf_viewer_set_index_button_sensitive((PdfViewer *) viewer);
1421
1422         if (page_num > 0 && page_num <= viewer->num_pages) {
1423
1424                 GTK_EVENTS_FLUSH();
1425
1426                 if (viewer->pdf_page) {
1427                         g_object_unref(G_OBJECT(viewer->pdf_page));
1428                 }
1429
1430                 viewer->pdf_page = poppler_document_get_page(viewer->pdf_doc, page_num - 1);
1431
1432                 if (viewer->pdf_page == NULL) {
1433                         g_warning("Page not found");
1434                         return;
1435                 }
1436
1437                 if (viewer->rotate == 90 || viewer->rotate == 270) {
1438                         poppler_page_get_size(viewer->pdf_page, &viewer->height, &viewer->width);
1439                 }
1440                 else {
1441                         poppler_page_get_size(viewer->pdf_page, &viewer->width, &viewer->height);
1442                 }
1443
1444                 if (viewer->last_rect && viewer->last_page_result &&
1445                     viewer->last_page_result->page_num == page_num) {
1446                         pdf_viewer_render_selection(viewer, viewer->last_rect, viewer->last_page_result);
1447                 }
1448                 else {
1449                         pdf_viewer_render_page(viewer->pdf_page, viewer->pdf_view, viewer->width,
1450                                                                         viewer->height, viewer->zoom, viewer->rotate);
1451
1452                 }
1453
1454         /* Get Links Mapping */
1455         if (viewer->link_map) {
1456                 poppler_page_free_link_mapping(viewer->link_map);
1457         }
1458         viewer->link_map = poppler_page_get_link_mapping(viewer->pdf_page);
1459
1460         }
1461 }
1462
1463
1464 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
1465                                 MimeInfo *partinfo)
1466 {
1467         PdfViewer *viewer = (PdfViewer *) _viewer;
1468         gchar buf[4096];
1469         const gchar *charset = NULL;
1470         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
1471                                         ?((MimeViewer *)viewer)->mimeview->messageview
1472                                         : NULL;
1473
1474         viewer->rotate = 0;
1475         viewer->to_load = partinfo;
1476
1477         if (messageview)
1478                 messageview->updating = TRUE;
1479
1480         memset(buf, 0, sizeof(buf));
1481         debug_print("pdf_viewer_show_mimepart\n");
1482
1483         if (viewer->filename != NULL) {
1484                 claws_unlink(viewer->filename);
1485                 g_free(viewer->filename);
1486                 viewer->filename = NULL;
1487         }
1488
1489         viewer->mimeinfo = NULL;
1490
1491         if (partinfo) {
1492                 viewer->target_filename = procmime_get_part_file_name(partinfo);
1493                 viewer->filename = procmime_get_tmp_file_name(partinfo);
1494                 viewer->fsname = g_filename_to_uri(viewer->filename, NULL, NULL);
1495         }
1496
1497         if (partinfo && !(procmime_get_part(viewer->filename, partinfo) < 0)) {
1498
1499                 if (messageview && messageview->forced_charset)
1500                         charset = _viewer->mimeview->messageview->forced_charset;
1501                 else
1502                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
1503
1504                 if (charset == NULL) {
1505                         charset = conv_get_locale_charset_str();
1506                 }
1507
1508                 debug_print("using charset %s\n", charset);
1509
1510                 viewer->mimeinfo = partinfo;
1511         }
1512
1513         pdf_viewer_update((MimeViewer *)viewer, TRUE, 1);
1514
1515         if (messageview)
1516                 messageview->updating = FALSE;
1517 }
1518
1519 static void pdf_viewer_clear(MimeViewer *_viewer)
1520 {
1521         PdfViewer *viewer = (PdfViewer *) _viewer;
1522         GtkAdjustment *vadj;
1523
1524         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(viewer->doc_index), FALSE);
1525         gtk_widget_hide(viewer->frame_index);
1526
1527         debug_print("pdf_viewer_clear\n");
1528         viewer->to_load = NULL;
1529
1530         if (viewer->pdf_doc) {
1531                 g_object_unref(G_OBJECT(viewer->pdf_doc));
1532                 viewer->pdf_doc = NULL;
1533         }
1534
1535         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1536         gtk_adjustment_set_value(vadj, 0.0);
1537         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1538         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin_index));
1539         gtk_adjustment_set_value(vadj, 0.0);
1540         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1541         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1542         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), NULL);
1543 }
1544
1545 static void pdf_viewer_destroy(MimeViewer *_viewer)
1546 {
1547         PdfViewer *viewer = (PdfViewer *) _viewer;
1548
1549         debug_print("pdf_viewer_destroy\n");
1550
1551         if (viewer->pdf_index) poppler_index_iter_free(viewer->pdf_index);
1552
1553         poppler_page_free_link_mapping (viewer->link_map);
1554         g_object_unref(GTK_WIDGET(viewer->vbox));
1555         g_object_unref(GTK_WIDGET(viewer->pdf_view));
1556         g_object_unref(GTK_WIDGET(viewer->doc_index_pane));
1557         g_object_unref(GTK_WIDGET(viewer->scrollwin));
1558         g_object_unref(GTK_WIDGET(viewer->scrollwin_index));
1559         claws_unlink(viewer->filename);
1560         g_free(viewer->filename);
1561         g_free(viewer);
1562 }
1563
1564 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1565 {
1566         PdfViewer *viewer = (PdfViewer *)_viewer;
1567         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1568                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1569
1570         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1571
1572         if (viewer->pdf_view == NULL) return FALSE;
1573
1574         if (!gtkutils_scroll_page(GTK_WIDGET(viewer->pdf_view), vadj, up)) {
1575                 if (!up && cur_p != viewer->num_pages) {
1576                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1577                         vadj = gtk_scrolled_window_get_vadjustment(
1578                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1579                         gtk_adjustment_set_value(vadj, 0.0);
1580                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1581                         return TRUE;
1582                 }
1583                 else if (up && cur_p != 1) {
1584                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1585                         vadj = gtk_scrolled_window_get_vadjustment(
1586                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1587                         gtk_adjustment_set_value(vadj,
1588                                         gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj));
1589                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1590                         return TRUE;
1591                 }
1592                 return FALSE;
1593         }
1594         else return TRUE;
1595 }
1596
1597 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1598 {
1599         PdfViewer *viewer = (PdfViewer *)_viewer;
1600         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1601                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1602         gint cur_p;
1603         cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1604
1605         if (viewer->pdf_view == NULL) return;
1606                 debug_print("up: %d\n", up);
1607                 if (gtk_adjustment_get_value(vadj) < (gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj)))  {
1608                         gtkutils_scroll_one_line(GTK_WIDGET(viewer->pdf_view), vadj, up);
1609                 }
1610                 else {
1611                         if (cur_p != viewer->num_pages) {
1612                                 pdf_viewer_scroll_page((MimeViewer *)viewer, up);
1613                         }
1614                 }
1615
1616 }
1617
1618 #define BUTTON_H_PADDING 3
1619 #define ADD_BUTTON_TO_TABLE(widget, stock_image) \
1620         widget = gtk_button_new(); \
1621         img = stock_pixmap_widget(stock_image); \
1622         gtk_button_set_image(GTK_BUTTON(widget), img); \
1623         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(widget), \
1624                                 col, col+1, 0, 1, 0, 0, BUTTON_H_PADDING, 0); \
1625         col++;
1626
1627 #define ADD_SEP_TO_TABLE \
1628         sep = gtk_label_new(""); \
1629         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(sep), \
1630                                         col, col+1, 0, 1, 0, 0, 0, 0); \
1631         gtk_table_set_col_spacing(GTK_TABLE(viewer->widgets_table), col, 3*BUTTON_H_PADDING); \
1632         col++;
1633
1634 #if POPPLER_HAS_CAIRO
1635 static PangoContext *pdf_viewer_get_pango_context(gpointer data)
1636 {
1637         return NULL;
1638 }
1639
1640 static gpointer pdf_viewer_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
1641 {
1642         return NULL; /* we don't need it */
1643 }
1644
1645 static void pdf_viewer_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
1646                            gpointer user_data)
1647 {
1648   PrintData *print_data;
1649   PopplerDocument *pdf_doc;
1650   gint n_pages = 0;
1651   print_data = (PrintData*) user_data;
1652   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1653
1654   debug_print("Preparing print job...\n");
1655
1656   n_pages = poppler_document_get_n_pages(pdf_doc);
1657   printing_set_n_pages(print_data, n_pages);
1658   gtk_print_operation_set_n_pages(op, n_pages);
1659
1660   debug_print("Starting print job...\n");
1661 }
1662
1663 static void pdf_viewer_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1664                          int page_nr, gpointer user_data)
1665 {
1666   cairo_t *cr;
1667   PrintData *print_data;
1668   PopplerDocument *pdf_doc;
1669   PopplerPage *pdf_page;
1670
1671   print_data = (PrintData*) user_data;
1672   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1673   pdf_page = poppler_document_get_page(pdf_doc, page_nr);
1674
1675   cr = gtk_print_context_get_cairo_context(context);
1676   cairo_scale(cr, printing_get_zoom(print_data), printing_get_zoom(print_data));
1677   cairo_set_source_rgb(cr, 0., 0., 0.);
1678
1679   poppler_page_render_for_printing(pdf_page, cr);
1680
1681   g_object_unref(G_OBJECT(pdf_page));
1682
1683   debug_print("Sent page %d to printer\n", page_nr+1);
1684 }
1685
1686 static void pdf_viewer_print(MimeViewer *mviewer)
1687 {
1688         PdfViewer *viewer = (PdfViewer *)mviewer;
1689         PrintRenderer *pdf_renderer = g_new0(PrintRenderer, 1);
1690         MainWindow *mainwin = mainwindow_get_mainwindow();
1691
1692         pdf_renderer->get_pango_context = pdf_viewer_get_pango_context;
1693         pdf_renderer->get_data_to_print = pdf_viewer_get_data_to_print;
1694         pdf_renderer->cb_begin_print    = pdf_viewer_cb_begin_print;
1695         pdf_renderer->cb_draw_page      = pdf_viewer_cb_draw_page;
1696
1697         printing_print_full(mainwin ? GTK_WINDOW(mainwin->window):NULL,
1698                         pdf_renderer, viewer->pdf_doc, -1, -1, NULL);
1699
1700         g_free(pdf_renderer);
1701 }
1702 #endif
1703
1704 static MimeViewer *pdf_viewer_create(void)
1705 {
1706         PdfViewer *viewer;
1707         GtkTreeViewColumn *column;
1708         GtkCellRenderer *renderer;
1709         GtkTreeStore *tree_store;
1710         GtkWidget *sep;
1711         GtkWidget *img;
1712         gint col = 0;
1713
1714         viewer = g_new0(PdfViewer, 1);
1715         debug_print("pdf_viewer_create\n");
1716
1717         viewer->last_x = 0;
1718         viewer->last_y = 0;
1719         viewer->mimeviewer.factory = &pdf_viewer_factory;
1720         viewer->mimeviewer.get_widget = pdf_viewer_get_widget;
1721         viewer->mimeviewer.show_mimepart = pdf_viewer_show_mimepart;
1722         viewer->mimeviewer.clear_viewer = pdf_viewer_clear;
1723         viewer->mimeviewer.destroy_viewer = pdf_viewer_destroy;
1724         viewer->mimeviewer.text_search = pdf_viewer_text_search;
1725         viewer->mimeviewer.scroll_page = pdf_viewer_scroll_page;
1726         viewer->mimeviewer.scroll_one_line = pdf_viewer_scroll_one_line;
1727 #if POPPLER_HAS_CAIRO
1728         viewer->mimeviewer.print = pdf_viewer_print;
1729 #endif
1730         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1731         viewer->scrollwin_index = gtk_scrolled_window_new(NULL, NULL);
1732         viewer->pdf_view_ebox = gtk_event_box_new();
1733         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->pdf_view_ebox), FALSE);
1734
1735         viewer->mimeinfo  = NULL;
1736
1737         viewer->pdf_view = gtk_image_new();
1738         gtk_widget_set_events(viewer->pdf_view_ebox,
1739                                                 GDK_BUTTON_RELEASE_MASK
1740                                                 | GDK_POINTER_MOTION_MASK
1741                                                 | GDK_BUTTON_PRESS_MASK
1742                                                 | GDK_BUTTON_MOTION_MASK
1743                                             );
1744         gtk_container_add (GTK_CONTAINER(viewer->pdf_view_ebox), viewer->pdf_view);
1745         viewer->icon_type = gtk_image_new();
1746         viewer->icon_type_ebox = gtk_event_box_new();
1747
1748         gtk_container_add(GTK_CONTAINER(viewer->icon_type_ebox), viewer->icon_type);
1749
1750         viewer->doc_label = gtk_label_new("");
1751
1752         viewer->widgets_table = gtk_table_new(1, 1, FALSE);
1753
1754         viewer->doc_index_pane = gtk_hpaned_new();
1755
1756         viewer->frame_index = gtk_frame_new(NULL);
1757         gtk_frame_set_shadow_type(GTK_FRAME(viewer->frame_index), GTK_SHADOW_IN);
1758         gtk_widget_set_size_request(viewer->frame_index, 18, -1);
1759         gtk_frame_set_label(GTK_FRAME(viewer->frame_index), _("Document Index"));
1760
1761         ADD_SEP_TO_TABLE
1762         ADD_BUTTON_TO_TABLE(viewer->first_page, STOCK_PIXMAP_FIRST_ARROW)
1763         ADD_BUTTON_TO_TABLE(viewer->prev_page, STOCK_PIXMAP_LEFT_ARROW)
1764         viewer->cur_page = gtk_spin_button_new_with_range(0.0, 0.0, 1.0);
1765         viewer->zoom_scroll = gtk_spin_button_new_with_range(0.20, 8.0, 0.20);
1766         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), 1.0);
1767         viewer->zoom = 1.0;
1768         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->cur_page), TRUE);
1769         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->zoom_scroll), TRUE);
1770         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->cur_page),
1771                                         col, col+1,
1772                                         0, 1, 0, 0,
1773                                         BUTTON_H_PADDING,
1774                                         0);
1775         col++;
1776         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->doc_label),
1777                                         col, col+1,
1778                                         0, 1, 0, 0,
1779                                         BUTTON_H_PADDING,
1780                                         0);
1781         col++;
1782
1783         ADD_BUTTON_TO_TABLE(viewer->next_page, STOCK_PIXMAP_RIGHT_ARROW)
1784         ADD_BUTTON_TO_TABLE(viewer->last_page, STOCK_PIXMAP_LAST_ARROW)
1785         ADD_SEP_TO_TABLE
1786         ADD_BUTTON_TO_TABLE(viewer->zoom_fit, STOCK_PIXMAP_ZOOM_FIT)
1787         ADD_BUTTON_TO_TABLE(viewer->zoom_in, STOCK_PIXMAP_ZOOM_IN)
1788         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->zoom_scroll),
1789                                         col, col+1,
1790                                         0, 1, 0, 0,
1791                                         BUTTON_H_PADDING,
1792                                         0);
1793         col++;
1794         ADD_BUTTON_TO_TABLE(viewer->zoom_out, STOCK_PIXMAP_ZOOM_OUT)
1795         ADD_BUTTON_TO_TABLE(viewer->zoom_width, STOCK_PIXMAP_ZOOM_WIDTH)
1796         ADD_SEP_TO_TABLE
1797         ADD_BUTTON_TO_TABLE(viewer->rotate_left, STOCK_PIXMAP_ROTATE_LEFT)
1798         ADD_BUTTON_TO_TABLE(viewer->rotate_right, STOCK_PIXMAP_ROTATE_RIGHT)
1799         ADD_SEP_TO_TABLE
1800         ADD_BUTTON_TO_TABLE(viewer->print, STOCK_PIXMAP_PRINTER)
1801         ADD_BUTTON_TO_TABLE(viewer->doc_info, STOCK_PIXMAP_DOC_INFO)
1802         ADD_BUTTON_TO_TABLE(viewer->doc_index, STOCK_PIXMAP_DOC_INDEX)
1803
1804         gtk_scrolled_window_set_policy(
1805                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1806                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1807
1808         gtk_scrolled_window_set_shadow_type(
1809                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1810                         GTK_SHADOW_IN);
1811
1812         gtk_scrolled_window_add_with_viewport(
1813                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1814                         viewer->pdf_view_ebox);
1815
1816         viewer->vbox = gtk_vbox_new(FALSE, 4);
1817         viewer->hbox = gtk_hbox_new(FALSE, 4);
1818
1819     /* treeview */
1820         tree_store = gtk_tree_store_new(N_INDEX_COLUMNS,
1821                                         G_TYPE_STRING,
1822                                         G_TYPE_INT,
1823                                         G_TYPE_DOUBLE);
1824
1825         viewer->index_list = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
1826         g_object_unref(tree_store);
1827
1828         renderer = gtk_cell_renderer_text_new();
1829         column = gtk_tree_view_column_new_with_attributes(_("Name"),  renderer, "text", 0,  NULL);
1830         gtk_tree_view_append_column(GTK_TREE_VIEW(viewer->index_list), column);
1831         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(viewer->index_list), FALSE);
1832
1833         viewer->index_model = GTK_TREE_MODEL(tree_store);
1834
1835         gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(viewer->index_list)),
1836                                                                 GTK_SELECTION_SINGLE);
1837
1838         g_signal_connect(G_OBJECT(viewer->index_list), "row_activated",
1839                          G_CALLBACK(pdf_viewer_index_row_activated),
1840                                          viewer);
1841
1842         gtk_scrolled_window_set_policy(
1843                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1844                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1845
1846         gtk_scrolled_window_set_shadow_type(
1847                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1848                         GTK_SHADOW_IN);
1849
1850         gtk_scrolled_window_add_with_viewport(
1851                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1852                         viewer->index_list);
1853
1854         /* end treeview */
1855
1856         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_TEXT_PLAIN,
1857                         &viewer->icon_pixbuf);
1858
1859         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1860                                 viewer->icon_pixbuf);
1861
1862         /* pack widgets*/
1863         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->icon_type_ebox, FALSE, FALSE, 0);
1864         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->widgets_table, FALSE, FALSE, 0);
1865
1866         gtk_container_add(GTK_CONTAINER(viewer->frame_index), viewer->scrollwin_index);
1867
1868         gtk_paned_pack1(GTK_PANED(viewer->doc_index_pane), viewer->frame_index, FALSE, FALSE);
1869         gtk_paned_pack2(GTK_PANED(viewer->doc_index_pane), viewer->scrollwin, FALSE, FALSE);
1870
1871         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->hbox, FALSE, FALSE, 0);
1872         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->doc_index_pane, TRUE, TRUE, 0);
1873         /* show widgets */
1874         gtk_widget_show(GTK_WIDGET(viewer->doc_index_pane));
1875         g_object_ref(GTK_WIDGET(viewer->doc_index_pane));
1876         gtk_widget_show(GTK_WIDGET(viewer->scrollwin));
1877         g_object_ref(GTK_WIDGET(viewer->scrollwin));
1878         gtk_widget_show(GTK_WIDGET(viewer->icon_type_ebox));
1879         g_object_ref(GTK_WIDGET(viewer->icon_type_ebox));
1880         gtk_widget_show(GTK_WIDGET(viewer->pdf_view_ebox));
1881         g_object_ref(GTK_WIDGET(viewer->pdf_view_ebox));
1882         gtk_widget_show(GTK_WIDGET(viewer->scrollwin_index));
1883         g_object_ref(GTK_WIDGET(viewer->scrollwin_index));
1884         gtk_widget_show(GTK_WIDGET(viewer->hbox));
1885         g_object_ref(GTK_WIDGET(viewer->hbox));
1886         gtk_widget_show(GTK_WIDGET(viewer->vbox));
1887         g_object_ref(GTK_WIDGET(viewer->vbox));
1888
1889         gtk_widget_show(GTK_WIDGET(viewer->widgets_table));
1890         g_object_ref(GTK_WIDGET(viewer->widgets_table));
1891
1892         gtk_widget_show(GTK_WIDGET(viewer->cur_page));
1893         g_object_ref(GTK_WIDGET(viewer->cur_page));
1894
1895         gtk_widget_show(GTK_WIDGET(viewer->first_page));
1896         g_object_ref(GTK_WIDGET(viewer->first_page));
1897
1898         gtk_widget_show(GTK_WIDGET(viewer->last_page));
1899         g_object_ref(GTK_WIDGET(viewer->last_page));
1900
1901         gtk_widget_show(GTK_WIDGET(viewer->prev_page));
1902         g_object_ref(GTK_WIDGET(viewer->prev_page));
1903
1904         gtk_widget_show(GTK_WIDGET(viewer->next_page));
1905         g_object_ref(GTK_WIDGET(viewer->next_page));
1906
1907         gtk_widget_show(GTK_WIDGET(viewer->zoom_in));
1908         g_object_ref(GTK_WIDGET(viewer->zoom_in));
1909         gtk_widget_show(GTK_WIDGET(viewer->zoom_out));
1910         g_object_ref(GTK_WIDGET(viewer->zoom_out));
1911         gtk_widget_show(GTK_WIDGET(viewer->zoom_fit));
1912         g_object_ref(GTK_WIDGET(viewer->zoom_fit));
1913         gtk_widget_show(GTK_WIDGET(viewer->zoom_width));
1914         g_object_ref(GTK_WIDGET(viewer->zoom_width));
1915
1916         gtk_widget_show(GTK_WIDGET(viewer->rotate_right));
1917         g_object_ref(GTK_WIDGET(viewer->rotate_right));
1918         gtk_widget_show(GTK_WIDGET(viewer->rotate_left));
1919         g_object_ref(GTK_WIDGET(viewer->rotate_left));
1920         gtk_widget_show(GTK_WIDGET(viewer->print));
1921         g_object_ref(GTK_WIDGET(viewer->print));
1922         gtk_widget_show(GTK_WIDGET(viewer->doc_info));
1923         g_object_ref(GTK_WIDGET(viewer->doc_info));
1924         gtk_widget_show(GTK_WIDGET(viewer->doc_index));
1925         g_object_ref(GTK_WIDGET(viewer->doc_index));
1926
1927         gtk_widget_show(GTK_WIDGET(viewer->doc_label));
1928         g_object_ref(GTK_WIDGET(viewer->doc_label));
1929         gtk_widget_show(GTK_WIDGET(viewer->icon_type));
1930         g_object_ref(GTK_WIDGET(viewer->icon_type));
1931         gtk_widget_show(GTK_WIDGET(viewer->pdf_view));
1932         g_object_ref(GTK_WIDGET(viewer->pdf_view));
1933         gtk_widget_show(GTK_WIDGET(viewer->zoom_scroll));
1934         g_object_ref(GTK_WIDGET(viewer->zoom_scroll));
1935
1936         gtk_widget_show(GTK_WIDGET(viewer->index_list));
1937         g_object_ref(GTK_WIDGET(viewer->index_list));
1938
1939         /* Set Tooltips*/
1940         CLAWS_SET_TIP(viewer->first_page,
1941                                 _("First Page"));
1942
1943         CLAWS_SET_TIP(viewer->prev_page,
1944                                 _("Previous Page"));
1945
1946         CLAWS_SET_TIP(viewer->next_page,
1947                                 _("Next Page"));
1948
1949         CLAWS_SET_TIP(viewer->last_page,
1950                                 _("Last Page"));
1951
1952         CLAWS_SET_TIP(viewer->zoom_in,
1953                                 _("Zoom In"));
1954         CLAWS_SET_TIP(viewer->zoom_out,
1955                                 _("Zoom Out"));
1956
1957         CLAWS_SET_TIP(viewer->zoom_fit,
1958                                 _("Fit Page"));
1959
1960         CLAWS_SET_TIP(viewer->zoom_width,
1961                                 _("Fit Page Width"));
1962
1963         CLAWS_SET_TIP(viewer->rotate_left,
1964                                 _("Rotate Left"));
1965
1966         CLAWS_SET_TIP(viewer->rotate_right,
1967                                 _("Rotate Right"));
1968
1969         CLAWS_SET_TIP(viewer->print,
1970                                 _("Print Document"));
1971
1972         CLAWS_SET_TIP(viewer->doc_info,
1973                                 _("Document Info"));
1974
1975         CLAWS_SET_TIP(viewer->doc_index,
1976                                 _("Document Index"));
1977         CLAWS_SET_TIP(viewer->cur_page,
1978                                 _("Page Number"));
1979         CLAWS_SET_TIP(viewer->zoom_scroll,
1980                                 _("Zoom Factor"));
1981         /* Connect Signals */
1982         g_signal_connect(G_OBJECT(viewer->cur_page),
1983                                     "value-changed",
1984                                     G_CALLBACK(pdf_viewer_spin_change_page_cb),
1985                                    (gpointer) viewer);
1986
1987         g_signal_connect(G_OBJECT(viewer->first_page),
1988                                     "clicked",
1989                                     G_CALLBACK(pdf_viewer_button_first_page_cb),
1990                                    (gpointer) viewer);
1991         g_signal_connect(G_OBJECT(viewer->prev_page),
1992                                     "clicked",
1993                                     G_CALLBACK(pdf_viewer_button_prev_page_cb),
1994                                    (gpointer) viewer);
1995         g_signal_connect(G_OBJECT(viewer->next_page),
1996                                     "clicked",
1997                                     G_CALLBACK(pdf_viewer_button_next_page_cb),
1998                                    (gpointer) viewer);
1999         g_signal_connect(G_OBJECT(viewer->last_page),
2000                                     "clicked",
2001                                     G_CALLBACK(pdf_viewer_button_last_page_cb),
2002                                    (gpointer) viewer);
2003         g_signal_connect(G_OBJECT(viewer->zoom_in),
2004                                     "clicked",
2005                                     G_CALLBACK(pdf_viewer_button_zoom_in_cb),
2006                                    (gpointer) viewer);
2007         g_signal_connect(G_OBJECT(viewer->zoom_out),
2008                                     "clicked",
2009                                     G_CALLBACK(pdf_viewer_button_zoom_out_cb),
2010                                    (gpointer) viewer);
2011         g_signal_connect(G_OBJECT(viewer->zoom_scroll),
2012                                     "value-changed",
2013                                     G_CALLBACK(pdf_viewer_spin_zoom_scroll_cb),
2014                                    (gpointer) viewer);
2015
2016         g_signal_connect(G_OBJECT(viewer->zoom_fit),
2017                                    "clicked",
2018                                     G_CALLBACK(pdf_viewer_button_zoom_fit_cb),
2019                                    (gpointer) viewer);
2020
2021         g_signal_connect(G_OBJECT(viewer->zoom_width),
2022                                     "clicked",
2023                                     G_CALLBACK(pdf_viewer_button_zoom_width_cb),
2024                                    (gpointer) viewer);
2025
2026         g_signal_connect(G_OBJECT(viewer->rotate_right),
2027                                     "clicked",
2028                                     G_CALLBACK(pdf_viewer_button_rotate_right_cb),
2029                                    (gpointer) viewer);
2030
2031         g_signal_connect(G_OBJECT(viewer->rotate_left),
2032                                     "clicked",
2033                                     G_CALLBACK(pdf_viewer_button_rotate_left_cb),
2034                                    (gpointer) viewer);
2035
2036         g_signal_connect(G_OBJECT(viewer->print),
2037                                     "clicked",
2038                                     G_CALLBACK(pdf_viewer_button_print_cb),
2039                                    (gpointer) viewer);
2040
2041         g_signal_connect(G_OBJECT(viewer->doc_info),
2042                                     "clicked",
2043                                     G_CALLBACK(pdf_viewer_button_document_info_cb),
2044                                    (gpointer) viewer);
2045
2046         g_signal_connect(G_OBJECT(viewer->doc_index),
2047                                     "clicked",
2048                                     G_CALLBACK(pdf_viewer_show_document_index_cb),
2049                                    (gpointer) viewer);
2050         g_signal_connect(G_OBJECT(viewer->scrollwin),
2051                                     "scroll-event",
2052                                     G_CALLBACK(pdf_viewer_scroll_cb),
2053                                    (gpointer) viewer);
2054         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2055                                     "button_press_event",
2056                                     G_CALLBACK(pdf_viewer_button_press_events_cb),
2057                                    (gpointer) viewer);
2058         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2059                                     "button_release_event",
2060                                     G_CALLBACK(pdf_viewer_mouse_scroll_destroy_cb),
2061                                    (gpointer) viewer);
2062         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2063                                     "motion_notify_event",
2064                                     G_CALLBACK(pdf_viewer_move_events_cb),
2065                                    (gpointer) viewer);
2066
2067         viewer->target_filename = NULL;
2068         viewer->filename = NULL;
2069         viewer->fsname = NULL;
2070
2071         return(MimeViewer *) viewer;
2072 }
2073
2074 #undef ADD_BUTTON_TO_TABLE
2075 #undef ADD_SEP_TO_TABLE
2076 #undef BUTTON_H_PADDING
2077 #undef SEP_H_PADDING
2078
2079 static MimeViewerFactory pdf_viewer_factory =
2080 {
2081         content_types,
2082         0,
2083         pdf_viewer_create,
2084 };
2085
2086 gint plugin_init(gchar **error)
2087 {
2088         gchar *gspath = NULL;
2089
2090         msg = g_strdup_printf(_("This plugin enables the viewing of PDF and PostScript "
2091                                 "attachments using the Poppler %s Lib and the gs tool.\n\n"
2092                                 "Any feedback is welcome: iwkse@claws-mail.org"
2093                                 ), poppler_get_version());
2094
2095         if (!check_plugin_version(MAKE_NUMERIC_VERSION(3,8,1,46),
2096                     VERSION_NUMERIC, _("PDF Viewer"), error)) return -1;
2097
2098         if ((gspath = g_find_program_in_path("gs")) == NULL) {
2099                 gchar *pmsg = msg;
2100                 msg = g_strdup_printf(_("Warning: could not find ghostscript binary (gs) required "
2101                                         "for %s plugin to process PostScript attachments, only PDF "
2102                                         "attachments will be displayed. To enable PostScript "
2103                                         "support please install gs program.\n\n%s"
2104                                         ), _("PDF Viewer"), pmsg);
2105                 g_free(pmsg);
2106         }
2107         else {
2108                 g_free(gspath);
2109         }
2110
2111         mimeview_register_viewer_factory(&pdf_viewer_factory);
2112         return 0;
2113 }
2114
2115 gboolean plugin_done(void)
2116 {
2117         g_free(msg);
2118         mimeview_unregister_viewer_factory(&pdf_viewer_factory);
2119         return TRUE;
2120 }
2121
2122 const gchar *plugin_name(void)
2123 {
2124         return _("PDF Viewer");
2125 }
2126
2127 const gchar *plugin_desc(void)
2128 {
2129         return msg;
2130 }
2131
2132 const gchar *plugin_type(void)
2133 {
2134         return "GTK2";
2135 }
2136
2137 const gchar *plugin_licence(void)
2138 {
2139         return "GPL3+";
2140 }
2141
2142 const gchar *plugin_version(void)
2143 {
2144         return VERSION;
2145 }
2146
2147 struct PluginFeature *plugin_provides(void)
2148 {
2149         static struct PluginFeature features[] =
2150                 { {PLUGIN_MIMEVIEWER, "application/pdf"},
2151                   {PLUGIN_MIMEVIEWER, "application/postscript"},
2152                   {PLUGIN_NOTHING, NULL} };
2153         return features;
2154 }
2155