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 #ifndef POPPLER_WITH_GDK
  35 #include "stdbool.h"
  36 #endif
  37
  38 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo);
  39 static MimeViewerFactory pdf_viewer_factory;
  40
  41 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
  42                                 MimeInfo *partinfo);
  43
  44 static MimeViewer *pdf_viewer_create(void);
  45 static void pdf_viewer_clear(MimeViewer *_viewer);
  46 static void pdf_viewer_destroy(MimeViewer *_viewer);
  47 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num);
  48
  49 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer);
  50
  51 static void pdf_viewer_hide_index_pane(PdfViewer *viewer);
  52 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer);
  53 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y);
  54
  55 static void search_matches_free(PdfViewer *viewer);
  56 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
  57                                      const gchar *str, gboolean case_sens);
  58 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results);
  59 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width, double height, double zoom, gint rotate);
  60
  61 static char * pdf_viewer_get_document_format_data(GTime utime);
  62 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter);
  63 static void pdf_viewer_index_row_activated(GtkTreeView          *tree_view,
  64                                         GtkTreePath             *path,
  65                                         GtkTreeViewColumn       *column,
  66                                         gpointer                 data);
  67
  68 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer);
  69
  70 /* Callbacks */
  71 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer);
  72 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
  73 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
  74 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer);
  75 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer);
  76 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer);
  77 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer);
  78 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer);
  79 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer);
  80 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer);
  81 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer);
  82 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer);
  83 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer);
  84 /* Show/Hide the index pane */
  85 static void pdf_viewer_show_document_index_cb(GtkButton *button, PdfViewer *viewer);
  86 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer);
  87 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer);
  88
  89 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show);
  90 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up);
  91 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up);
  92
  93 /** Claws-Mail Plugin functions*/
  94 gint plugin_init(gchar **error);
  95 const gchar *plugin_name(void);
  96 const gchar *plugin_desc(void);
  97 const gchar *plugin_type(void);
  98 const gchar *plugin_licence(void);
  99 const gchar *plugin_version(void);
 100 struct PluginFeature *plugin_provides(void);
 101
 102 #ifndef POPPLER_WITH_GDK
 103 static void
 104 copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
 105                               GdkPixbuf       *pixbuf)
 106 {
 107         int cairo_width, cairo_height, cairo_rowstride;
 108         unsigned char *pixbuf_data, *dst, *cairo_data;
 109         int pixbuf_rowstride, pixbuf_n_channels;
 110         unsigned int *src;
 111         int x, y;
 112
 113         cairo_width = cairo_image_surface_get_width (surface);
 114         cairo_height = cairo_image_surface_get_height (surface);
 115         cairo_rowstride = cairo_image_surface_get_stride (surface);
 116         cairo_data = cairo_image_surface_get_data (surface);
 117
 118         pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
 119         pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
 120         pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
 121
 122         if (cairo_width > gdk_pixbuf_get_width (pixbuf))
 123                 cairo_width = gdk_pixbuf_get_width (pixbuf);
 124         if (cairo_height > gdk_pixbuf_get_height (pixbuf))
 125                 cairo_height = gdk_pixbuf_get_height (pixbuf);
 126         for (y = 0; y < cairo_height; y++) {
 127                 src = (unsigned int *) (cairo_data + y * cairo_rowstride);
 128                 dst = pixbuf_data + y * pixbuf_rowstride;
 129                 for (x = 0; x < cairo_width; x++) {
 130                         dst[0] = (*src >> 16) & 0xff;
 131                         dst[1] = (*src >> 8) & 0xff;
 132                         dst[2] = (*src >> 0) & 0xff;
 133                         if (pixbuf_n_channels == 4)
 134                                 dst[3] = (*src >> 24) & 0xff;
 135                         dst += pixbuf_n_channels;
 136                         src++;
 137                 }
 138         }
 139 }
 140 static void
 141 _poppler_page_render_to_pixbuf (PopplerPage *page,
 142                                 int src_x, int src_y,
 143                                 int src_width, int src_height,
 144                                 double scale,
 145                                 int rotation,
 146                                 gboolean printing,
 147                                 GdkPixbuf *pixbuf)
 148 {
 149         cairo_t *cr;
 150         cairo_surface_t *surface;
 151
 152         surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
 153                                         src_width, src_height);
 154         cr = cairo_create (surface);
 155         cairo_save (cr);
 156         switch (rotation) {
 157         case 90:
 158                 cairo_translate (cr, src_x + src_width, -src_y);
 159                 break;
 160         case 180:
 161                 cairo_translate (cr, src_x + src_width, src_y + src_height);
 162                 break;
 163         case 270:
 164                 cairo_translate (cr, -src_x, src_y + src_height);
 165                 break;
 166         default:
 167                 cairo_translate (cr, -src_x, -src_y);
 168         }
 169
 170         if (scale != 1.0)
 171                 cairo_scale (cr, scale, scale);
 172
 173         if (rotation != 0)
 174                 cairo_rotate (cr, rotation * G_PI / 180.0);
 175
 176         if (printing)
 177                 poppler_page_render_for_printing (page, cr);
 178         else
 179                 poppler_page_render (page, cr);
 180         cairo_restore (cr);
 181
 182         cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
 183         cairo_set_source_rgb (cr, 1., 1., 1.);
 184         cairo_paint (cr);
 185
 186         cairo_destroy (cr);
 187
 188         copy_cairo_surface_to_pixbuf (surface, pixbuf);
 189         cairo_surface_destroy (surface);
 190 }
 191
 192 /**
 193  * poppler_page_render_to_pixbuf:
 194  * @page: the page to render from
 195  * @src_x: x coordinate of upper left corner
 196  * @src_y: y coordinate of upper left corner
 197  * @src_width: width of rectangle to render
 198  * @src_height: height of rectangle to render
 199  * @scale: scale specified as pixels per point
 200  * @rotation: rotate the document by the specified degree
 201  * @pixbuf: pixbuf to render into
 202  *
 203  * First scale the document to match the specified pixels per point,
 204  * then render the rectangle given by the upper left corner at
 205  * (src_x, src_y) and src_width and src_height.
 206  * This function is for rendering a page that will be displayed.
 207  * If you want to render a page that will be printed use
 208  * poppler_page_render_to_pixbuf_for_printing() instead
 209  *
 210  * Deprecated: 0.16
 211  **/
 212 static void
 213 poppler_page_render_to_pixbuf (PopplerPage *page,
 214                                int src_x, int src_y,
 215                                int src_width, int src_height,
 216                                double scale,
 217                                int rotation,
 218                                GdkPixbuf *pixbuf)
 219 {
 220         g_return_if_fail (POPPLER_IS_PAGE (page));
 221         g_return_if_fail (scale > 0.0);
 222         g_return_if_fail (pixbuf != NULL);
 223
 224         _poppler_page_render_to_pixbuf (page, src_x, src_y,
 225                                   src_width, src_height,
 226                                   scale, rotation,
 227                                   FALSE,
 228                                   pixbuf);
 229 }
 230 #endif
 231 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer)
 232 {
 233         PdfViewer *viewer = (PdfViewer *) _viewer;
 234         debug_print("pdf_viewer_get_widget: %p\n", viewer->vbox);
 235
 236         return GTK_WIDGET(viewer->vbox);
 237 }
 238 /** Hide the index panel */
 239 static void pdf_viewer_hide_index_pane(PdfViewer *viewer)
 240 {
 241         if (viewer->pdf_index) {
 242                 poppler_index_iter_free(viewer->pdf_index);
 243                 viewer->pdf_index = NULL;
 244                 gtk_widget_hide(GTK_WIDGET(viewer->frame_index));
 245         }
 246 }
 247
 248 static void search_matches_free(PdfViewer *viewer)
 249 {
 250         GList *cur;
 251         for(cur = viewer->text_found; cur; cur = cur->next) {
 252                 PageResult *res = (PageResult *)cur->data;
 253                 g_list_free(res->results);
 254                 g_free(res);
 255         }
 256         g_list_free(viewer->text_found);
 257         viewer->text_found = NULL;
 258         g_free(viewer->last_search);
 259         viewer->last_search = NULL;
 260         if (viewer->last_rect && viewer->last_page_result) {
 261                 viewer->last_rect = NULL;
 262                 viewer->last_page_result = NULL;
 263                 pdf_viewer_update((MimeViewer *)viewer,
 264                         FALSE,
 265                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 266         }
 267 }
 268
 269 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y)
 270 {
 271         GtkAdjustment *vadj;
 272         GtkAdjustment *hadj;
 273         vadj = gtk_scrolled_window_get_vadjustment(
 274                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 275
 276         if (y < gtk_adjustment_get_value(vadj)) {
 277                 gtk_adjustment_set_value(vadj, y);
 278         }
 279         else {
 280                 while(y > gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj)) {
 281                         gtk_adjustment_set_value(vadj,
 282                                         gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj));
 283                 }
 284         }
 285
 286         hadj = gtk_scrolled_window_get_hadjustment(
 287                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
 288
 289         if (x < gtk_adjustment_get_value(hadj)) {
 290                 gtk_adjustment_set_value(hadj, x);
 291         }
 292         else {
 293                 while(x > gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj)) {
 294                         gtk_adjustment_set_value(hadj,
 295                                         gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj));
 296                 }
 297         }
 298
 299         g_signal_emit_by_name(G_OBJECT(hadj), "value-changed", 0);
 300         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
 301 }
 302 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width,
 303                                    double height, double zoom, gint rotate)
 304 {
 305         GdkPixbuf *pb;
 306
 307         debug_print("width: %f\n", width);
 308         pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 309                                 FALSE, 8,
 310                                 (int)(width * zoom),
 311                                 (int)(height * zoom));
 312
 313                         poppler_page_render_to_pixbuf(page, 0, 0,
 314                                 (int)(width * zoom),
 315                                 (int)(height * zoom),
 316                                 zoom, rotate, pb);
 317
 318                         gtk_image_set_from_pixbuf(GTK_IMAGE(view), pb);
 319                         g_object_unref(G_OBJECT(pb));
 320 }
 321 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results)
 322 {
 323         gint selw, selh;
 324         double width_points, height_points;
 325         gint width, height;
 326         GdkPixbuf *sel_pb, *page_pb;
 327         gfloat x1, x2, y1, y2;
 328
 329
 330         gint cur_page_num =
 331                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
 332
 333         viewer->last_match = viewer->res_cnt;
 334
 335         viewer->last_rect = NULL;
 336         viewer->last_page_result = NULL;
 337         if (cur_page_num != page_results->page_num) {
 338                 /* we changed page. update the view */
 339                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 340         (gdouble) page_results->page_num);
 341         }
 342
 343         viewer->last_rect = rect;
 344         viewer->last_page_result = page_results;
 345
 346         GTK_EVENTS_FLUSH();
 347
 348         poppler_page_get_size(POPPLER_PAGE(viewer->pdf_page), &width_points, &height_points);
 349         width = (int)((width_points * viewer->zoom) + 0.5);
 350         height = (int)((height_points * viewer->zoom) + 0.5);
 351
 352         if (viewer->rotate == 90) {
 353                 x1 = MIN(rect->y1,rect->y2) * viewer->zoom;
 354                 x2 = MAX(rect->y1,rect->y2) * viewer->zoom;
 355                 y1 = MAX(rect->x1,rect->x2) * viewer->zoom;
 356                 y2 = MIN(rect->x1,rect->x2) * viewer->zoom;
 357                 selw = (x2 - x1);
 358                 selh = (y1 - y2);
 359
 360         } else if (viewer->rotate == 180) {
 361                 x1 = width - rect->x2 * viewer->zoom;
 362                 x2 = width - rect->x1 * viewer->zoom;
 363                 y1 = height - rect->y2 * viewer->zoom;
 364                 y2 = height - rect->y1 * viewer->zoom;
 365                 selw = (x2 - x1);
 366                 selh = (y2 - y1);
 367                 y1 = height - y1;
 368                 y2 = height - y2;
 369
 370         } else if (viewer->rotate == 270) {
 371                 x1 = height - MAX(rect->y1,rect->y2) * viewer->zoom;
 372                 x2 = height - MIN(rect->y1,rect->y2) * viewer->zoom;
 373                 y1 = width - MIN(rect->x1,rect->x2) * viewer->zoom;
 374                 y2 = width - MAX(rect->x1,rect->x2) * viewer->zoom;
 375                 selw = (x2 - x1);
 376                 selh = (y1 - y2);
 377         } else {
 378                 x1 = rect->x1 * viewer->zoom;
 379                 x2 = rect->x2 * viewer->zoom;
 380                 y1 = rect->y1 * viewer->zoom;
 381                 y2 = rect->y2 * viewer->zoom;
 382                 selw = (x2 - x1);
 383                 selh = (y2 - y1);
 384                 y1 = height - y1;
 385                 y2 = height - y2;
 386         }
 387
 388         sel_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
 389                                                         selw, selh);
 390
 391         gdk_pixbuf_fill(sel_pb, SELECTION_COLOR);
 392
 393         page_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
 394                                         FALSE, 8,
 395                                 (int)(viewer->width * viewer->zoom),
 396                                 (int)(viewer->height * viewer->zoom));
 397
 398         poppler_page_render_to_pixbuf(viewer->pdf_page,
 399                                         0,
 400                                         0,
 401                                 (int)(viewer->width * viewer->zoom),
 402                                 (int)(viewer->height * viewer->zoom),
 403                                         viewer->zoom,
 404                                         viewer->rotate,
 405                                         page_pb);
 406
 407         gdk_pixbuf_composite(sel_pb, page_pb,
 408                                         x1, y2, selw, selh, 0, 0,
 409                                         viewer->zoom, viewer->zoom,
 410                                         GDK_INTERP_BILINEAR, ALPHA_CHANNEL);
 411
 412         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), page_pb);
 413
 414         pdf_viewer_scroll_to(viewer, MIN(x1,x2), MIN(y1,y2));
 415
 416         g_object_unref(G_OBJECT(sel_pb));
 417         g_object_unref(G_OBJECT(page_pb));
 418
 419 }
 420
 421 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
 422                                      const gchar *str, gboolean case_sens)
 423 {
 424         PdfViewer *viewer = (PdfViewer *)_viewer;
 425         GList *all_pages_results, *cur_page_results;
 426         viewer->res_cnt = 0;
 427
 428         debug_print("pdf_viewer_text_search: %s\n", str);
 429         main_window_cursor_wait(mainwindow_get_mainwindow());
 430
 431         if (viewer->last_search && strcmp(str, viewer->last_search)) {
 432                 search_matches_free(viewer);
 433                 viewer->last_match = -1;
 434                 viewer->num_matches = 0;
 435         } else if (!viewer->last_search) {
 436                 viewer->last_match = -1;
 437                 viewer->num_matches = 0;
 438         }
 439         /* It's a new search, build list of matches
 440          * across all pages */
 441         if (viewer->last_match == -1) {
 442                 gint i;
 443
 444                 for(i = 1; i <= viewer->num_pages; i++) {
 445
 446                         PopplerPage *pdf_page = poppler_document_get_page(viewer->pdf_doc, i - 1);
 447                         viewer->page_results = poppler_page_find_text(pdf_page, str);
 448
 449                         if (viewer->page_results != NULL) {
 450                                 debug_print("page_results %p\n", viewer->page_results);
 451                                 /* store results for this page */
 452                                 gint num_res = 0;
 453                                 PageResult *res = g_new0(PageResult, 1);
 454                                 res->results = viewer->page_results;
 455                                 res->page_num = i;
 456                                 /* found text, prepend this page(faster than append) */
 457                                 viewer->text_found = g_list_prepend(viewer->text_found, res);
 458                                 num_res = g_list_length(viewer->page_results);
 459                                 debug_print("%d results on page %d\n", num_res, i);
 460                                 viewer->num_matches += num_res;
 461                         }
 462                         g_object_unref(G_OBJECT(pdf_page));
 463                 }
 464
 465                 if (viewer->text_found == NULL) {
 466                         main_window_cursor_normal(mainwindow_get_mainwindow());
 467                         return FALSE;
 468                 }
 469                 /* put back the list in the correct order */
 470                 viewer->text_found = g_list_reverse(viewer->text_found);
 471         }
 472
 473         if (!viewer->text_found) {
 474                 main_window_cursor_normal(mainwindow_get_mainwindow());
 475                 return FALSE;
 476         } else {
 477                 viewer->last_search = g_strdup(str);
 478         }
 479
 480         if (backward) {
 481                 /* if backward, we have to initialize stuff to search
 482                  * from the end */
 483                 viewer->res_cnt = viewer->num_matches-1;
 484                 if (viewer->last_match == -1) {
 485                         viewer->last_match = viewer->num_matches+1;
 486                 }
 487                 all_pages_results = g_list_last(viewer->text_found);
 488         }
 489         else {
 490                 all_pages_results = viewer->text_found;
 491         }
 492
 493         for(; all_pages_results; all_pages_results = (backward?all_pages_results->prev:all_pages_results->next)) {
 494
 495                 PageResult * page_results = (PageResult *)all_pages_results->data;
 496
 497                 if (backward) {
 498                         cur_page_results = g_list_last(page_results->results);
 499                 }
 500                 else {
 501                         cur_page_results = page_results->results;
 502                 }
 503
 504                 for(; cur_page_results; cur_page_results = (backward?cur_page_results->prev:cur_page_results->next)) {
 505
 506                         gboolean valid = FALSE;
 507                         /* first valid result is the last+1 if searching
 508                          * forward, last-1 if searching backward */
 509                         if (backward) {
 510                                 valid = (viewer->res_cnt < viewer->last_match);
 511                         }
 512                         else {
 513                                 valid = (viewer->res_cnt > viewer->last_match);
 514                         }
 515                         if (valid) {
 516                                 pdf_viewer_render_selection(viewer,
 517                                         (PopplerRectangle *)cur_page_results->data,
 518                                                 page_results);
 519                                 main_window_cursor_normal(mainwindow_get_mainwindow());
 520                                 return TRUE;
 521                         }
 522
 523                         if (backward) {
 524                                 viewer->res_cnt--;
 525                         }
 526                         else {
 527                                 viewer->res_cnt++;
 528                         }
 529                 }
 530         }
 531         main_window_cursor_normal(mainwindow_get_mainwindow());
 532         search_matches_free(viewer);
 533         return FALSE;
 534 }
 535
 536 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter)
 537 {
 538         PopplerAction *action;
 539         PopplerIndexIter *child;
 540         GtkTreeIter childiter;
 541
 542         debug_print("get document index\n");
 543         do      {
 544                 gint page_num = 0;
 545
 546                 action = poppler_index_iter_get_action(index_iter);
 547
 548                 if (action->type != POPPLER_ACTION_GOTO_DEST) {
 549                         poppler_action_free(action);
 550                         continue;
 551                 }
 552
 553                 if (action->goto_dest.dest->type == POPPLER_DEST_XYZ || action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 554                         page_num = action->goto_dest.dest->page_num;
 555                 }
 556 #ifdef HAVE_POPPLER_DEST_NAMED
 557                 else if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 558                         PopplerDest *dest = poppler_document_find_dest(
 559                                         viewer->pdf_doc, action->goto_dest.dest->named_dest);
 560                         if (dest->type != POPPLER_DEST_XYZ) {
 561                                 g_warning("couldn't figure out link");
 562                                 poppler_dest_free(dest);
 563                                 continue;
 564                         }
 565                         page_num = dest->page_num;
 566                         poppler_dest_free(dest);
 567                 }
 568 #endif
 569                 else {
 570 #ifdef HAVE_POPPLER_DEST_NAMED
 571                         g_warning("unhandled link type %d. please contact developers", action->goto_dest.dest->type);
 572 #else
 573                         g_warning("unhandled link type %d. please upgrade libpoppler-glib to 0.5.4", action->goto_dest.dest->type);
 574 #endif
 575                         continue;
 576                 }
 577                 gtk_tree_store_append(GTK_TREE_STORE(viewer->index_model), &childiter, parentiter);
 578                 gtk_tree_store_set(GTK_TREE_STORE(viewer->index_model), &childiter,
 579                                                 INDEX_NAME, action->named.title,
 580                                                 INDEX_PAGE, page_num,
 581                                                 INDEX_TOP, action->goto_dest.dest->top,
 582                                                 -1);
 583                 poppler_action_free(action);
 584                 child = poppler_index_iter_get_child(index_iter);
 585                 if (child) {
 586                         pdf_viewer_get_document_index(viewer, child, &childiter);
 587                         poppler_index_iter_free(child);
 588                 }
 589         }
 590         while(poppler_index_iter_next(index_iter));
 591 }
 592
 593 static void pdf_viewer_index_row_activated(GtkTreeView          *tree_view,
 594                                         GtkTreePath             *path,
 595                                         GtkTreeViewColumn       *column,
 596                                         gpointer                 data)
 597 {
 598         GtkTreeIter iter;
 599         GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
 600         PdfViewer *viewer = (PdfViewer *)data;
 601         gint page_num = 0;
 602
 603         debug_print("index_row_activated\n");
 604         if (!gtk_tree_model_get_iter(model, &iter, path)) return;
 605
 606         gtk_tree_model_get(model, &iter,
 607                            INDEX_PAGE, &page_num,
 608                            -1);
 609
 610         if (page_num > 0) {
 611                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),(gdouble)page_num);
 612                 debug_print("Page num: %d\n", page_num);
 613         }
 614         GTK_EVENTS_FLUSH();
 615 }
 616
 617 /** Disable the index button if the document doesn't have an index */
 618 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer)
 619 {
 620         viewer->pdf_index  = poppler_index_iter_new(viewer->pdf_doc);
 621         if (viewer->pdf_index) {
 622                 if (!gtk_widget_is_sensitive(viewer->doc_index)) {
 623                         gtk_widget_set_sensitive(viewer->doc_index, TRUE);
 624                 }
 625         }
 626         else {
 627                 gtk_widget_set_sensitive(viewer->doc_index, FALSE);
 628         }
 629
 630     poppler_index_iter_free(viewer->pdf_index);
 631     viewer->pdf_index = NULL;
 632 }
 633
 634 static char * pdf_viewer_get_document_format_data(GTime utime)
 635 {
 636         time_t time = (time_t) utime;
 637         struct tm t;
 638         char s[256];
 639         const char *fmt_hack = "%c";
 640         size_t len;
 641
 642         if (time == 0 || !localtime_r(&time, &t)) return NULL;
 643
 644         len = strftime(s, sizeof(s), fmt_hack, &t);
 645
 646         if (len == 0 || s[0] == '\0') return NULL;
 647
 648         return g_locale_to_utf8(s, -1, NULL, NULL, NULL);
 649 }
 650
 651 #define ADD_TO_TABLE(LABEL, VALUE) \
 652         label = gtk_label_new(LABEL); \
 653         gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5); \
 654         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 655         gtk_table_attach(viewer->table_doc_info, label, 0, 1, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 656         \
 657         label = gtk_label_new(VALUE); \
 658         gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); \
 659         gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
 660         gtk_table_attach(viewer->table_doc_info, label, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
 661         row++;
 662
 663
 664 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer)
 665 {
 666         GtkWidget *label;
 667         const gchar *title, *format, *author, *subject, *keywords, *creator, *producer;
 668         gboolean linearized;
 669         gchar *tmp;
 670         gint row = 0;
 671
 672         GTime creation_date, mod_date;
 673
 674         PopplerPageLayout layout;
 675         PopplerPageMode mode;
 676         PopplerPermissions permissions;
 677         PopplerViewerPreferences view_prefs;
 678
 679         title = format = author = subject = keywords = creator = producer = tmp = 0;
 680
 681         g_object_get(viewer->pdf_doc,
 682                                 "title", &title,
 683                                 "format", &format,
 684                                 "author", &author,
 685                                 "subject", &subject,
 686                                 "keywords", &keywords,
 687                                 "creation-date", &creation_date,
 688                                 "permissions", &permissions,
 689                                 "mod-date", &mod_date,
 690                                 "creator", &creator,
 691                                 "producer", &producer,
 692                                 "linearized", &linearized,
 693                                 "page-mode", &mode,
 694                                 "page-layout", &layout,
 695                                 "viewer-preferences", &view_prefs,
 696                                 NULL);
 697
 698         viewer->table_doc_info = GTK_TABLE(gtk_table_new(13, 2, FALSE));
 699
 700         ADD_TO_TABLE(_("Filename:"), viewer->target_filename)
 701         ADD_TO_TABLE(_("Size:"), to_human_readable(viewer->to_load->length))
 702         ADD_TO_TABLE(NULL, NULL)
 703         ADD_TO_TABLE(_("Title:"), title)
 704         ADD_TO_TABLE(_("Subject:"), subject)
 705         ADD_TO_TABLE(_("Author:"), author)
 706         ADD_TO_TABLE(_("Keywords:"), keywords)
 707         ADD_TO_TABLE(_("Creator:"), creator)
 708         ADD_TO_TABLE(_("Producer:"), producer)
 709
 710         tmp = pdf_viewer_get_document_format_data(creation_date);
 711         ADD_TO_TABLE(_("Created:"), tmp)
 712         g_free(tmp);
 713
 714         tmp = pdf_viewer_get_document_format_data(mod_date);
 715         ADD_TO_TABLE(_("Modified:"), tmp)
 716         g_free(tmp);
 717
 718         ADD_TO_TABLE(_("Format:"), format)
 719         if (linearized) {
 720                 ADD_TO_TABLE(_("Optimized:"), _("Yes"))
 721         }
 722         else {
 723                 ADD_TO_TABLE(_("Optimized:"), _("No"))
 724         }
 725         //ADD_TO_TABLE(_("Page Mode:"), pdf_viewer_get_document_info_mode(mode))
 726         //ADD_TO_TABLE(_("Page Layout:"), pdf_viewer_get_document_info_layout(layout))
 727
 728         return(GtkTable *) viewer->table_doc_info;
 729 }
 730 #undef ADD_TO_TABLE
 731
 732 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo)
 733 {
 734         gchar *content_type = NULL;
 735         FileType type = TYPE_UNKNOWN;
 736         debug_print("mimepart_get_type\n");
 737         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 738         (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 739
 740                 const gchar *filename;
 741
 742                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 743
 744                         if (filename == NULL)
 745                                 filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 746                         if (filename != NULL)
 747                                 content_type = procmime_get_mime_type(filename);
 748         }
 749         else {
 750                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 751         }
 752
 753         if (content_type == NULL) type = TYPE_UNKNOWN;
 754         else if (!strcmp(content_type, "application/pdf")) type = TYPE_PDF;
 755         else if (!strcmp(content_type, "application/postscript")) type = TYPE_PS;
 756         else type = TYPE_UNKNOWN;
 757
 758         g_free(content_type);
 759         return type;
 760 }
 761
 762 /* Callbacks */
 763 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer)
 764 {
 765
 766         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
 767 }
 768
 769 static void pdf_viewer_button_prev_page_cb(GtkButton *button, PdfViewer *viewer)
 770 {
 771
 772         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
 773 }
 774
 775 static void pdf_viewer_button_next_page_cb(GtkButton *button, PdfViewer *viewer)
 776 {
 777
 778         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
 779 }
 780
 781 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer)
 782 {
 783
 784         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_END, 1);
 785 }
 786
 787 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer)
 788 {
 789         pdf_viewer_update((MimeViewer *)viewer,
 790                         FALSE,
 791                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 792 }
 793
 794 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer)
 795 {
 796
 797         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_FORWARD, ZOOM_FACTOR);
 798 }
 799
 800 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer)
 801 {
 802         viewer->zoom = gtk_spin_button_get_value(GTK_SPIN_BUTTON(viewer->zoom_scroll));
 803         pdf_viewer_update((MimeViewer *)viewer,
 804                         FALSE,
 805                         gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
 806 }
 807
 808 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer)
 809 {
 810
 811         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_BACKWARD, ZOOM_FACTOR);
 812
 813 }
 814
 815 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 816 {
 817         gchar *uri;
 818         GdkWindow *gdkwin;
 819         #ifdef HAVE_POPPLER_DEST_NAMED
 820         PopplerDest *dest;
 821         #endif
 822         static GdkCursor *hand_cur = NULL;
 823
 824         if (!hand_cur) hand_cur = gdk_cursor_new(GDK_FLEUR);
 825
 826         /* Execute Poppler Links */
 827         if (event->button == 1 && viewer->in_link) {
 828                 switch (viewer->link_action->type) {
 829                 case POPPLER_ACTION_UNKNOWN:
 830                         debug_print("action unknown\n");
 831                         break;
 832                 case POPPLER_ACTION_GOTO_DEST:
 833                         if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_XYZ ||
 834                                         viewer->link_action->goto_dest.dest->type == POPPLER_DEST_FITH) {
 835                                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 836                                                                           (gdouble)viewer->link_action->goto_dest.dest->page_num);
 837                         }
 838                 #ifdef HAVE_POPPLER_DEST_NAMED
 839                         else if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
 840                                 dest = poppler_document_find_dest(
 841                                         viewer->pdf_doc, viewer->link_action->goto_dest.dest->named_dest);
 842                         if (dest->type != POPPLER_DEST_XYZ) {
 843                                 g_warning("couldn't figure out link");
 844                                 poppler_dest_free(dest);
 845                                 break;
 846                         }
 847                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 848                                                                           (gdouble)dest->page_num);
 849                         poppler_dest_free(dest);
 850                 }
 851                 #endif
 852                         break;
 853                 case POPPLER_ACTION_GOTO_REMOTE:
 854                         #ifdef HAVE_POPPLER_DEST_NAMED
 855                         dest = poppler_document_find_dest(
 856                                         viewer->pdf_doc, viewer->link_action->goto_remote.dest->named_dest);
 857                         if (dest->type != POPPLER_DEST_XYZ) {
 858                                 g_warning ("couldn't figure out link");
 859                                 poppler_dest_free(dest);
 860                                 break;
 861                         }
 862                         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
 863                                                                           (gdouble)dest->page_num);
 864                         poppler_dest_free(dest);
 865                         #endif
 866                         break;
 867                 case POPPLER_ACTION_LAUNCH:
 868                         debug_print("action launch not yet implemented\n");
 869                         break;
 870                 case POPPLER_ACTION_URI:
 871                         uri = g_strdup(viewer->link_action->uri.uri);
 872                         if (!g_ascii_strncasecmp(uri, "mailto:", 7))
 873                                 compose_new(NULL, uri + 7, NULL);
 874                         else
 875                                 open_uri(uri, prefs_common_get_uri_cmd());
 876                         g_free(uri);
 877                         break;
 878                 case POPPLER_ACTION_NAMED:
 879                         debug_print("action named not yet implemented\n");
 880                         break;
 881                 case POPPLER_ACTION_NONE:
 882                         debug_print("action none does nothing, surprise!\n");
 883                         break;
 884                 case POPPLER_ACTION_MOVIE:
 885                         debug_print("yoyoyo ;-) a movie?\n");
 886                         break;
 887 #if POPPLER_CHECK_VERSION(0,14,0)
 888                 case POPPLER_ACTION_RENDITION:
 889                         debug_print("yoyoyo ;-) multimedia?\n");
 890                         break;
 891                 case POPPLER_ACTION_OCG_STATE:
 892                         debug_print("yoyoyo ;-) layer state?\n");
 893                         break;
 894 #if POPPLER_CHECK_VERSION(0,18,0)
 895                 case POPPLER_ACTION_JAVASCRIPT:
 896                         debug_print("yoyoyo ;-) javascript?\n");
 897                         break;
 898 #endif /* 0.18 */
 899 #endif /* 0.14 */
 900                 }
 901                 if (((MimeViewer *)viewer)->mimeview &&
 902                         ((MimeViewer *)viewer)->mimeview->messageview &&
 903                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 904                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 905                         gdk_window_set_cursor (gdkwin, NULL);
 906                 else
 907                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
 908         }
 909
 910         /* Init document to be scrolled with left mouse click */
 911         if (event->button == 1 && !viewer->in_link) {
 912                 viewer->pdf_view_scroll = TRUE;
 913                 if (((MimeViewer *)viewer)->mimeview &&
 914                         ((MimeViewer *)viewer)->mimeview->messageview &&
 915                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 916                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 917                         gdk_window_set_cursor (gdkwin, hand_cur);
 918                 else
 919                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), hand_cur);
 920
 921                 viewer->last_x = event->x;
 922                 viewer->last_y = event->y;
 923                 viewer->last_dir_x = 0;
 924                 viewer->last_dir_y = 0;
 925         }
 926 }
 927 /* Set the normal cursor*/
 928 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
 929 {
 930         GdkWindow *gdkwin;
 931
 932         if (event->button == 1) {
 933                 viewer->pdf_view_scroll = FALSE;
 934                 if (((MimeViewer *)viewer)->mimeview &&
 935                         ((MimeViewer *)viewer)->mimeview->messageview &&
 936                         ((MimeViewer *)viewer)->mimeview->messageview->window &&
 937                         (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
 938                         gdk_window_set_cursor (gdkwin, NULL);
 939                 else
 940                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
 941         }
 942 }
 943
 944 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer)
 945 {
 946         GdkWindow *gdkwin;
 947
 948         /* Grab the document and scroll it with mouse */
 949         if (viewer->pdf_view_scroll) {
 950
 951                 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 952                 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
 953
 954                         if (event->x < viewer->last_x
 955                                         && 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))) {
 956                                 if (viewer->last_dir_x == -1) {
 957                                         gtk_adjustment_set_value(viewer->pdf_view_hadj,
 958                                                         gtk_adjustment_get_value(viewer->pdf_view_hadj)
 959                                                         + viewer->last_x
 960                                                         - event->x);
 961                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 962                                                                 "value_changed", 0);
 963                                 }
 964                                 viewer->last_dir_x = -1;
 965                         }
 966                         else if (event->x > viewer->last_x
 967                                         && gtk_adjustment_get_value(viewer->pdf_view_hadj) > 0.0)  {
 968                                 if (viewer->last_dir_x == +1) {
 969                                         gtk_adjustment_set_value(viewer->pdf_view_hadj,
 970                                                         gtk_adjustment_get_value(viewer->pdf_view_hadj)
 971                                                         + viewer->last_x
 972                                                         - event->x);
 973                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
 974                                                                 "value_changed", 0);
 975                                 }
 976                                 viewer->last_dir_x = +1;
 977                         }
 978
 979                         if (event->y < viewer->last_y
 980                                         && 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))) {
 981                                 if (viewer->last_dir_y == -1) {
 982                                         gtk_adjustment_set_value(viewer->pdf_view_vadj,
 983                                                         gtk_adjustment_get_value(viewer->pdf_view_vadj)
 984                                                         + viewer->last_y
 985                                                         - event->y);
 986                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
 987                                                                 "value_changed", 0);
 988                                 }
 989                                 viewer->last_dir_y = -1;
 990                         }
 991                         else if (event->y > viewer->last_y
 992                                         && gtk_adjustment_get_value(viewer->pdf_view_vadj) > 0.0)  {
 993                                 if (viewer->last_dir_y == +1) {
 994                                         gtk_adjustment_set_value(viewer->pdf_view_vadj,
 995                                                         gtk_adjustment_get_value(viewer->pdf_view_vadj)
 996                                                         + viewer->last_y
 997                                                         - event->y);
 998                                         g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
 999                                                                 "value_changed", 0);
1000                                 }
1001                                 viewer->last_dir_y = +1;
1002                         }
1003                         viewer->last_x = event->x;
1004                         viewer->last_y = event->y;
1005                         GTK_EVENTS_FLUSH();
1006                 }
1007         else {
1008         /* Link Mapping */
1009         static GList *l;
1010         static GdkCursor *link_cur = NULL;
1011         static GtkRequisition size;
1012         static gdouble x,y, x1, y1, x2, y2;
1013         gboolean ccur;
1014
1015         viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1016         viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1017
1018         if (!link_cur) link_cur = gdk_cursor_new(GDK_HAND2);
1019
1020         ccur = FALSE;
1021         viewer->in_link = FALSE;
1022         for (l = viewer->link_map; l; l = g_list_next (l)) {
1023                 gint upper;
1024                 PopplerLinkMapping *lmapping;
1025                 lmapping = (PopplerLinkMapping *)l->data;
1026
1027                 x1 = lmapping->area.x1;
1028                 y1 = lmapping->area.y1;
1029                 x2 = lmapping->area.x2;
1030                 y2 = lmapping->area.y2;
1031                 gtk_widget_size_request(viewer->pdf_view, &size);
1032
1033                 upper = gtk_adjustment_get_upper(viewer->pdf_view_hadj);
1034                 switch (viewer->rotate) {
1035                 case 0:
1036                 case 360:
1037                                 if (size.width != upper)
1038                                         x = (event->x - (upper - size.width) / 2) / viewer->zoom;
1039                                 else
1040                                         x = event->x / viewer->zoom;
1041
1042                                 y = (upper - event->y) / viewer->zoom;
1043                         break;
1044                 case 90:
1045                                 if (size.width != upper)
1046                                         y = (event->x - (upper - size.width) / 2) / viewer->zoom;
1047                                 else
1048                                         y = event->x / viewer->zoom;
1049
1050                                 x = (event->y) / viewer->zoom;
1051                         break;
1052                 case 180:
1053                                 if (size.width != upper)
1054                                         x = ((upper -  event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1055                                 else
1056                                         x =  ((upper -  event->x) - (upper - size.width)) / viewer->zoom;
1057
1058                                 y = (event->y) / viewer->zoom;
1059                         break;
1060                 case 270:
1061                                 if (size.width != upper)
1062                                         y = ((upper -  event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1063                                 else
1064                                         y =  ((upper -  event->x) - (upper - size.width)) / viewer->zoom;
1065
1066                                 x = (upper - event->y) / viewer->zoom;
1067                         break;
1068                 }
1069
1070                 if ( (x > x1 && x < x2) && (y > y1 && y < y2) ) {
1071                                 viewer->in_link = TRUE;
1072                         if (((MimeViewer *)viewer)->mimeview &&
1073                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1074                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1075                                 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1076                                         gdk_window_set_cursor (gdkwin, link_cur);
1077                                 else
1078                                         gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), link_cur);
1079
1080                                 viewer->link_action = lmapping->action;
1081                                 ccur = TRUE;
1082                 }
1083                 if (!ccur) {
1084                         if (((MimeViewer *)viewer)->mimeview &&
1085                                 ((MimeViewer *)viewer)->mimeview->messageview &&
1086                                 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1087                                 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1088                                 gdk_window_set_cursor (gdkwin, NULL);
1089                         else
1090                                 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
1091                 }
1092         }
1093         g_free(l);
1094         }
1095 }
1096 static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
1097                                     PdfViewer *viewer)
1098 {
1099         GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1100         static gboolean in_scroll_cb = FALSE;
1101         gboolean handled = FALSE;
1102         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1103
1104         if (in_scroll_cb)
1105                 return FALSE;
1106
1107         in_scroll_cb = TRUE;
1108
1109         if (event->direction == GDK_SCROLL_UP &&
1110             gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
1111             cur_p > 1) {
1112                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1113                 gtk_adjustment_set_value(adj,
1114                                 gtk_adjustment_get_upper(adj) - gtk_adjustment_get_page_size(adj));
1115                 handled = TRUE;
1116         } else if (event->direction == GDK_SCROLL_DOWN &&
1117             gtk_adjustment_get_value(adj) + gtk_adjustment_get_page_size(adj) == gtk_adjustment_get_upper(adj) &&
1118             cur_p < viewer->num_pages) {
1119                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1120                 gtk_adjustment_set_value(adj, 0.0);
1121                 handled = TRUE;
1122         }
1123         in_scroll_cb = FALSE;
1124         return handled;
1125 }
1126
1127 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer)
1128 {
1129         GtkAllocation allocation;
1130         double xratio, yratio;
1131         gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1132         debug_print("width: %d\n", allocation.width);
1133         debug_print("height: %d\n", allocation.height);
1134         xratio = allocation.width / viewer->width;
1135         yratio = allocation.height / viewer->height;
1136
1137         if (xratio >= yratio) {
1138                 viewer->zoom = yratio;
1139                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1140         }
1141         else {
1142                 viewer->zoom = xratio;
1143                 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1144         }
1145 }
1146
1147 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer)
1148 {
1149         GtkAllocation allocation;
1150         double xratio;
1151         gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1152         debug_print("width: %d\n", allocation.width);
1153         xratio = allocation.width / viewer->width;
1154         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), xratio);
1155 }
1156
1157 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer)
1158 {
1159         if (viewer->rotate == 360) {
1160                 viewer->rotate = 0;
1161         }
1162
1163         viewer->rotate += (gint) ROTATION;
1164         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1165                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1166 }
1167
1168 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer)
1169 {
1170         if (viewer->rotate == 0) {
1171                 viewer->rotate = 360;
1172         }
1173
1174         viewer->rotate = abs(viewer->rotate -(gint) ROTATION);
1175         pdf_viewer_update((MimeViewer *)viewer, FALSE,
1176                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1177 }
1178
1179 /* Show/Hide the index pane */
1180 static void pdf_viewer_show_document_index_cb(GtkButton *button, PdfViewer *viewer)
1181 {
1182         if (!viewer->pdf_index) {
1183                 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
1184         }
1185
1186         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1187
1188         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(viewer->doc_index))) {
1189                 pdf_viewer_get_document_index(viewer,(PopplerIndexIter *) viewer->pdf_index, NULL);
1190                 gtk_widget_show(GTK_WIDGET(viewer->frame_index));
1191         }
1192         else {
1193                 pdf_viewer_hide_index_pane(viewer);
1194         }
1195
1196 }
1197
1198 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer)
1199 {
1200         MainWindow *mainwin = mainwindow_get_mainwindow();
1201         summary_print(mainwin->summaryview);
1202 }
1203
1204 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer)
1205 {
1206         alertpanel_full(_("PDF properties"), NULL, GTK_STOCK_CLOSE, NULL, NULL,
1207                         FALSE, (GtkWidget *) pdf_viewer_fill_info_table(viewer),
1208                         ALERT_NOTICE, G_ALERTDEFAULT);
1209 }
1210
1211 /*
1212 static const char * poppler_get_document_info_mode(PopplerPageMode mode)
1213 {
1214         GEnumValue *enum_value;
1215
1216         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_MODE), mode);
1217         return(gchar *) enum_value->value_name;
1218 }
1219 static const char * poppler_get_document_info_layout(PopplerPageLayout layout)
1220 {
1221
1222         GEnumValue *enum_value;
1223
1224         enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_LAYOUT), layout);
1225         return(gchar *) enum_value->value_name;
1226 }
1227 */
1228 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show)
1229 {
1230         if (show) {
1231                 gtk_widget_show(viewer->first_page);
1232                 gtk_widget_show(viewer->cur_page);
1233                 gtk_widget_show(viewer->prev_page);
1234                 gtk_widget_show(viewer->next_page);
1235                 gtk_widget_show(viewer->last_page);
1236                 gtk_widget_show(viewer->zoom_in);
1237                 gtk_widget_show(viewer->zoom_out);
1238                 gtk_widget_show(viewer->zoom_fit);
1239                 gtk_widget_show(viewer->zoom_width);
1240                 gtk_widget_show(viewer->zoom_scroll);
1241                 gtk_widget_show(viewer->widgets_table);
1242                 gtk_widget_show(viewer->rotate_right);
1243                 gtk_widget_show(viewer->rotate_left);
1244                 gtk_widget_show(viewer->print);
1245                 gtk_widget_show(viewer->doc_info);
1246                 gtk_widget_show(viewer->doc_index);
1247         } else {
1248                 gtk_widget_hide(viewer->first_page);
1249                 gtk_widget_hide(viewer->cur_page);
1250                 gtk_widget_hide(viewer->prev_page);
1251                 gtk_widget_hide(viewer->next_page);
1252                 gtk_widget_hide(viewer->last_page);
1253                 gtk_widget_hide(viewer->zoom_in);
1254                 gtk_widget_hide(viewer->zoom_out);
1255                 gtk_widget_hide(viewer->zoom_fit);
1256                 gtk_widget_hide(viewer->zoom_width);
1257                 gtk_widget_hide(viewer->zoom_scroll);
1258                 gtk_widget_hide(viewer->widgets_table);
1259                 gtk_widget_hide(viewer->rotate_right);
1260                 gtk_widget_hide(viewer->rotate_left);
1261                 gtk_widget_hide(viewer->print);
1262                 gtk_widget_hide(viewer->doc_info);
1263                 gtk_widget_hide(viewer->doc_index);
1264         }
1265 }
1266 /** Render the current page, page_num on the viewer */
1267 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num)
1268 {
1269
1270         PdfViewer *viewer = (PdfViewer *) _viewer;
1271         GError *error = NULL;
1272         gchar *tmpfile = NULL;
1273         gchar *tmp;
1274         gchar *password = NULL;
1275
1276         debug_print("pdf_viewer_update\n");
1277
1278         if (reload_file) {
1279                 if (viewer->pdf_doc) {
1280                         g_object_unref(G_OBJECT(viewer->pdf_doc));
1281                         viewer->pdf_doc = NULL;
1282                 }
1283
1284                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1285                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PS,
1286                                         &viewer->icon_pixbuf);
1287                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1288                                                                         viewer->icon_pixbuf);
1289                 }
1290                 else if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF) {
1291                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PDF,
1292                         &viewer->icon_pixbuf);
1293                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1294                                                                         viewer->icon_pixbuf);
1295                 }
1296                 else {
1297                         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1298                         &viewer->icon_pixbuf);
1299                         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1300                                                                         viewer->icon_pixbuf);
1301                 }
1302
1303                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), _("Loading..."));
1304                 pdf_viewer_show_controls(viewer, FALSE);
1305                 main_window_cursor_wait(mainwindow_get_mainwindow());
1306
1307                 GTK_EVENTS_FLUSH();
1308
1309                 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1310                         gchar *cmdline = NULL, *tmp = NULL, *gspath = NULL;
1311                         gint result = 0;
1312
1313                         if ((gspath = g_find_program_in_path("gs")) != NULL) {
1314                                 g_free(gspath);
1315                                 /* convert postscript to pdf */
1316                                 tmpfile = get_tmp_file();
1317                                 cmdline = g_strdup_printf(
1318                                         "gs -dSAFER -dCompatibilityLevel=1.2 -q -dNOPAUSE -dBATCH "
1319                                           "-sDEVICE=pdfwrite -sOutputFile=%s -c .setpdfwrite -f \"%s\"",
1320                                         tmpfile, viewer->filename);
1321                                 result = execute_command_line(cmdline, FALSE, NULL);
1322                                 if (result == 0) {
1323                                         tmp = g_filename_to_uri(tmpfile, NULL, NULL);
1324                                         viewer->pdf_doc = poppler_document_new_from_file( tmp, NULL, &error);
1325                                         g_free(tmp);
1326                                 }
1327                                 else {
1328                                         g_warning("gs conversion failed: %s returned %d", cmdline, result);
1329                                         tmp = g_strdup_printf("gs: err %d", result);
1330                                         alertpanel_warning("%s", tmp);
1331                                         g_free(tmp);
1332                                 }
1333
1334                                 g_free(cmdline);
1335                                 claws_unlink(tmpfile);
1336                                 g_free(tmpfile);
1337                         }
1338                         else {
1339                                 g_warning("gs conversion disabled: gs binary was not found");
1340                                 alertpanel_warning("PostScript view disabled: required gs program not found");
1341                                 result = 1;
1342
1343                         }
1344                         if (result != 0) {
1345                                 main_window_cursor_normal(mainwindow_get_mainwindow());
1346                                 return;
1347                         }
1348                 }
1349                 else {
1350                         viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
1351                 }
1352                 if (error && g_error_matches(error, POPPLER_ERROR, POPPLER_ERROR_ENCRYPTED)) {
1353                         g_clear_error(&error);
1354                         password = input_dialog_with_invisible(_("Enter password"),
1355                                         _("This document is locked and requires a password before it can be opened."),
1356                                         "");
1357                         viewer->pdf_doc = poppler_document_new_from_file(viewer->fsname, password, &error);
1358                         g_free(password);
1359                 }
1360
1361                 viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);
1362
1363                 g_signal_handlers_block_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1364                 gtk_spin_button_set_range(GTK_SPIN_BUTTON(viewer->cur_page),
1365                                                                         1,
1366                                                                 (gdouble)viewer->num_pages );
1367
1368                 g_signal_handlers_unblock_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1369                 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
1370                 tmp = g_strdup_printf(_("%s Document"),pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF ? "PDF":"Postscript");
1371                 CLAWS_SET_TIP(
1372                                 GTK_WIDGET(viewer->icon_type_ebox),
1373                                 tmp);
1374                 g_free(tmp);
1375
1376                 tmp = g_strdup_printf(_("of %d"), viewer->num_pages);
1377                 gtk_label_set_text(GTK_LABEL(viewer->doc_label), tmp);
1378                 g_free(tmp);
1379
1380                 pdf_viewer_show_controls(viewer, TRUE);
1381                 main_window_cursor_normal(mainwindow_get_mainwindow());
1382         }
1383         if (viewer->pdf_doc == NULL) {
1384                 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1385                                 &viewer->icon_pixbuf);
1386
1387                 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type), viewer->icon_pixbuf);
1388                 if (error) {
1389                         strretchomp(error->message);
1390                         alertpanel_error("%s", error->message);
1391                 } else {
1392                         alertpanel_error(_("PDF rendering failed for an unknown reason."));
1393                 }
1394                 pdf_viewer_show_controls(viewer, FALSE);
1395                 g_error_free(error);
1396                 return;
1397         }
1398
1399         if (page_num == 1) {
1400                 gtk_widget_set_sensitive(viewer->first_page, FALSE);
1401                 gtk_widget_set_sensitive(viewer->prev_page, FALSE);
1402         }
1403         else {
1404                 gtk_widget_set_sensitive(viewer->first_page, TRUE);
1405                 gtk_widget_set_sensitive(viewer->prev_page, TRUE);
1406         }
1407
1408         if (page_num == viewer->num_pages) {
1409                 gtk_widget_set_sensitive(viewer->last_page, FALSE);
1410                 gtk_widget_set_sensitive(viewer->next_page, FALSE);
1411         }
1412         else {
1413                 gtk_widget_set_sensitive(viewer->last_page, TRUE);
1414                 gtk_widget_set_sensitive(viewer->next_page, TRUE);
1415         }
1416
1417         /* check for the index if exists */
1418         pdf_viewer_set_index_button_sensitive((PdfViewer *) viewer);
1419
1420         if (page_num > 0 && page_num <= viewer->num_pages) {
1421
1422                 GTK_EVENTS_FLUSH();
1423
1424                 if (viewer->pdf_page) {
1425                         g_object_unref(G_OBJECT(viewer->pdf_page));
1426                 }
1427
1428                 viewer->pdf_page = poppler_document_get_page(viewer->pdf_doc, page_num - 1);
1429
1430                 if (viewer->pdf_page == NULL) {
1431                         g_warning("Page not found");
1432                         return;
1433                 }
1434
1435                 if (viewer->rotate == 90 || viewer->rotate == 270) {
1436                         poppler_page_get_size(viewer->pdf_page, &viewer->height, &viewer->width);
1437                 }
1438                 else {
1439                         poppler_page_get_size(viewer->pdf_page, &viewer->width, &viewer->height);
1440                 }
1441
1442                 if (viewer->last_rect && viewer->last_page_result &&
1443                     viewer->last_page_result->page_num == page_num) {
1444                         pdf_viewer_render_selection(viewer, viewer->last_rect, viewer->last_page_result);
1445                 }
1446                 else {
1447                         pdf_viewer_render_page(viewer->pdf_page, viewer->pdf_view, viewer->width,
1448                                                                         viewer->height, viewer->zoom, viewer->rotate);
1449
1450                 }
1451
1452         /* Get Links Mapping */
1453         if (viewer->link_map) {
1454                 poppler_page_free_link_mapping(viewer->link_map);
1455         }
1456         viewer->link_map = poppler_page_get_link_mapping(viewer->pdf_page);
1457
1458         }
1459 }
1460
1461
1462 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
1463                                 MimeInfo *partinfo)
1464 {
1465         PdfViewer *viewer = (PdfViewer *) _viewer;
1466         gchar buf[4096];
1467         const gchar *charset = NULL;
1468         MessageView *messageview = ((MimeViewer *)viewer)->mimeview
1469                                         ?((MimeViewer *)viewer)->mimeview->messageview
1470                                         : NULL;
1471
1472         viewer->rotate = 0;
1473         viewer->to_load = partinfo;
1474
1475         if (messageview)
1476                 messageview->updating = TRUE;
1477
1478         memset(buf, 0, sizeof(buf));
1479         debug_print("pdf_viewer_show_mimepart\n");
1480
1481         if (viewer->filename != NULL) {
1482                 claws_unlink(viewer->filename);
1483                 g_free(viewer->filename);
1484                 viewer->filename = NULL;
1485         }
1486
1487         viewer->mimeinfo = NULL;
1488
1489         if (partinfo) {
1490                 viewer->target_filename = procmime_get_part_file_name(partinfo);
1491                 viewer->filename = procmime_get_tmp_file_name(partinfo);
1492                 viewer->fsname = g_filename_to_uri(viewer->filename, NULL, NULL);
1493         }
1494
1495         if (partinfo && !(procmime_get_part(viewer->filename, partinfo) < 0)) {
1496
1497                 if (messageview && messageview->forced_charset)
1498                         charset = _viewer->mimeview->messageview->forced_charset;
1499                 else
1500                         charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
1501
1502                 if (charset == NULL) {
1503                         charset = conv_get_locale_charset_str();
1504                 }
1505
1506                 debug_print("using charset %s\n", charset);
1507
1508                 viewer->mimeinfo = partinfo;
1509         }
1510
1511         pdf_viewer_update((MimeViewer *)viewer, TRUE, 1);
1512
1513         if (messageview)
1514                 messageview->updating = FALSE;
1515 }
1516
1517 static void pdf_viewer_clear(MimeViewer *_viewer)
1518 {
1519         PdfViewer *viewer = (PdfViewer *) _viewer;
1520         GtkAdjustment *vadj;
1521
1522         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(viewer->doc_index), FALSE);
1523         gtk_widget_hide(viewer->frame_index);
1524
1525         debug_print("pdf_viewer_clear\n");
1526         viewer->to_load = NULL;
1527
1528         if (viewer->pdf_doc) {
1529                 g_object_unref(G_OBJECT(viewer->pdf_doc));
1530                 viewer->pdf_doc = NULL;
1531         }
1532
1533         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1534         gtk_adjustment_set_value(vadj, 0.0);
1535         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1536         vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin_index));
1537         gtk_adjustment_set_value(vadj, 0.0);
1538         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1539         gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1540         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), NULL);
1541 }
1542
1543 static void pdf_viewer_destroy(MimeViewer *_viewer)
1544 {
1545         PdfViewer *viewer = (PdfViewer *) _viewer;
1546
1547         debug_print("pdf_viewer_destroy\n");
1548
1549         if (viewer->pdf_index) poppler_index_iter_free(viewer->pdf_index);
1550
1551         poppler_page_free_link_mapping (viewer->link_map);
1552         g_object_unref(GTK_WIDGET(viewer->vbox));
1553         g_object_unref(GTK_WIDGET(viewer->pdf_view));
1554         g_object_unref(GTK_WIDGET(viewer->doc_index_pane));
1555         g_object_unref(GTK_WIDGET(viewer->scrollwin));
1556         g_object_unref(GTK_WIDGET(viewer->scrollwin_index));
1557         claws_unlink(viewer->filename);
1558         g_free(viewer->filename);
1559         g_free(viewer);
1560 }
1561
1562 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1563 {
1564         PdfViewer *viewer = (PdfViewer *)_viewer;
1565         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1566                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1567
1568         gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1569
1570         if (viewer->pdf_view == NULL) return FALSE;
1571
1572         if (!gtkutils_scroll_page(GTK_WIDGET(viewer->pdf_view), vadj, up)) {
1573                 if (!up && cur_p != viewer->num_pages) {
1574                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1575                         vadj = gtk_scrolled_window_get_vadjustment(
1576                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1577                         gtk_adjustment_set_value(vadj, 0.0);
1578                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1579                         return TRUE;
1580                 }
1581                 else if (up && cur_p != 1) {
1582                         gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1583                         vadj = gtk_scrolled_window_get_vadjustment(
1584                                         GTK_SCROLLED_WINDOW(viewer->scrollwin));
1585                         gtk_adjustment_set_value(vadj,
1586                                         gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj));
1587                         g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1588                         return TRUE;
1589                 }
1590                 return FALSE;
1591         }
1592         else return TRUE;
1593 }
1594
1595 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1596 {
1597         PdfViewer *viewer = (PdfViewer *)_viewer;
1598         GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1599                                 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1600         gint cur_p;
1601         cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1602
1603         if (viewer->pdf_view == NULL) return;
1604                 debug_print("up: %d\n", up);
1605                 if (gtk_adjustment_get_value(vadj) < (gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj)))  {
1606                         gtkutils_scroll_one_line(GTK_WIDGET(viewer->pdf_view), vadj, up);
1607                 }
1608                 else {
1609                         if (cur_p != viewer->num_pages) {
1610                                 pdf_viewer_scroll_page((MimeViewer *)viewer, up);
1611                         }
1612                 }
1613
1614 }
1615
1616 #define BUTTON_H_PADDING 3
1617 #define ADD_BUTTON_TO_TABLE(widget, stock_image) \
1618         widget = gtk_button_new(); \
1619         img = stock_pixmap_widget(stock_image); \
1620         gtk_button_set_image(GTK_BUTTON(widget), img); \
1621         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(widget), \
1622                                 col, col+1, 0, 1, 0, 0, BUTTON_H_PADDING, 0); \
1623         col++;
1624
1625 #define ADD_SEP_TO_TABLE \
1626         sep = gtk_label_new(""); \
1627         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(sep), \
1628                                         col, col+1, 0, 1, 0, 0, 0, 0); \
1629         gtk_table_set_col_spacing(GTK_TABLE(viewer->widgets_table), col, 3*BUTTON_H_PADDING); \
1630         col++;
1631
1632 #if POPPLER_HAS_CAIRO
1633 static PangoContext *pdf_viewer_get_pango_context(gpointer data)
1634 {
1635         return NULL;
1636 }
1637
1638 static gpointer pdf_viewer_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
1639 {
1640         return NULL; /* we don't need it */
1641 }
1642
1643 static void pdf_viewer_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
1644                            gpointer user_data)
1645 {
1646   PrintData *print_data;
1647   PopplerDocument *pdf_doc;
1648   gint n_pages = 0;
1649   print_data = (PrintData*) user_data;
1650   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1651
1652   debug_print("Preparing print job...\n");
1653
1654   n_pages = poppler_document_get_n_pages(pdf_doc);
1655   printing_set_n_pages(print_data, n_pages);
1656   gtk_print_operation_set_n_pages(op, n_pages);
1657
1658   debug_print("Starting print job...\n");
1659 }
1660
1661 static void pdf_viewer_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1662                          int page_nr, gpointer user_data)
1663 {
1664   cairo_t *cr;
1665   PrintData *print_data;
1666   PopplerDocument *pdf_doc;
1667   PopplerPage *pdf_page;
1668
1669   print_data = (PrintData*) user_data;
1670   pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1671   pdf_page = poppler_document_get_page(pdf_doc, page_nr);
1672
1673   cr = gtk_print_context_get_cairo_context(context);
1674   cairo_scale(cr, printing_get_zoom(print_data), printing_get_zoom(print_data));
1675   cairo_set_source_rgb(cr, 0., 0., 0.);
1676
1677   poppler_page_render_for_printing(pdf_page, cr);
1678
1679   g_object_unref(G_OBJECT(pdf_page));
1680
1681   debug_print("Sent page %d to printer\n", page_nr+1);
1682 }
1683
1684 static void pdf_viewer_print(MimeViewer *mviewer)
1685 {
1686         PdfViewer *viewer = (PdfViewer *)mviewer;
1687         PrintRenderer *pdf_renderer = g_new0(PrintRenderer, 1);
1688         MainWindow *mainwin = mainwindow_get_mainwindow();
1689
1690         pdf_renderer->get_pango_context = pdf_viewer_get_pango_context;
1691         pdf_renderer->get_data_to_print = pdf_viewer_get_data_to_print;
1692         pdf_renderer->cb_begin_print    = pdf_viewer_cb_begin_print;
1693         pdf_renderer->cb_draw_page      = pdf_viewer_cb_draw_page;
1694
1695         printing_print_full(mainwin ? GTK_WINDOW(mainwin->window):NULL,
1696                         pdf_renderer, viewer->pdf_doc, -1, -1, NULL);
1697
1698         g_free(pdf_renderer);
1699 }
1700 #endif
1701
1702 static MimeViewer *pdf_viewer_create(void)
1703 {
1704         PdfViewer *viewer;
1705         GtkTreeViewColumn *column;
1706         GtkCellRenderer *renderer;
1707         GtkTreeStore *tree_store;
1708         GtkWidget *sep;
1709         GtkWidget *img;
1710         gint col = 0;
1711
1712         viewer = g_new0(PdfViewer, 1);
1713         debug_print("pdf_viewer_create\n");
1714
1715         viewer->last_x = 0;
1716         viewer->last_y = 0;
1717         viewer->mimeviewer.factory = &pdf_viewer_factory;
1718         viewer->mimeviewer.get_widget = pdf_viewer_get_widget;
1719         viewer->mimeviewer.show_mimepart = pdf_viewer_show_mimepart;
1720         viewer->mimeviewer.clear_viewer = pdf_viewer_clear;
1721         viewer->mimeviewer.destroy_viewer = pdf_viewer_destroy;
1722         viewer->mimeviewer.text_search = pdf_viewer_text_search;
1723         viewer->mimeviewer.scroll_page = pdf_viewer_scroll_page;
1724         viewer->mimeviewer.scroll_one_line = pdf_viewer_scroll_one_line;
1725 #if POPPLER_HAS_CAIRO
1726         viewer->mimeviewer.print = pdf_viewer_print;
1727 #endif
1728         viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1729         viewer->scrollwin_index = gtk_scrolled_window_new(NULL, NULL);
1730         viewer->pdf_view_ebox = gtk_event_box_new();
1731         gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->pdf_view_ebox), FALSE);
1732
1733         viewer->mimeinfo  = NULL;
1734
1735         viewer->pdf_view = gtk_image_new();
1736         gtk_widget_set_events(viewer->pdf_view_ebox,
1737                                                 GDK_BUTTON_RELEASE_MASK
1738                                                 | GDK_POINTER_MOTION_MASK
1739                                                 | GDK_BUTTON_PRESS_MASK
1740                                                 | GDK_BUTTON_MOTION_MASK
1741                                             );
1742         gtk_container_add (GTK_CONTAINER(viewer->pdf_view_ebox), viewer->pdf_view);
1743         viewer->icon_type = gtk_image_new();
1744         viewer->icon_type_ebox = gtk_event_box_new();
1745
1746         gtk_container_add(GTK_CONTAINER(viewer->icon_type_ebox), viewer->icon_type);
1747
1748         viewer->doc_label = gtk_label_new("");
1749
1750         viewer->widgets_table = gtk_table_new(1, 1, FALSE);
1751
1752         viewer->doc_index_pane = gtk_hpaned_new();
1753
1754         viewer->frame_index = gtk_frame_new(NULL);
1755         gtk_frame_set_shadow_type(GTK_FRAME(viewer->frame_index), GTK_SHADOW_IN);
1756         gtk_widget_set_size_request(viewer->frame_index, 18, -1);
1757         gtk_frame_set_label(GTK_FRAME(viewer->frame_index), _("Document Index"));
1758
1759         ADD_SEP_TO_TABLE
1760         ADD_BUTTON_TO_TABLE(viewer->first_page, STOCK_PIXMAP_FIRST_ARROW)
1761         ADD_BUTTON_TO_TABLE(viewer->prev_page, STOCK_PIXMAP_LEFT_ARROW)
1762         viewer->cur_page = gtk_spin_button_new_with_range(0.0, 0.0, 1.0);
1763         viewer->zoom_scroll = gtk_spin_button_new_with_range(0.20, 8.0, 0.20);
1764         gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), 1.0);
1765         viewer->zoom = 1.0;
1766         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->cur_page), TRUE);
1767         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->zoom_scroll), TRUE);
1768         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->cur_page),
1769                                         col, col+1,
1770                                         0, 1, 0, 0,
1771                                         BUTTON_H_PADDING,
1772                                         0);
1773         col++;
1774         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->doc_label),
1775                                         col, col+1,
1776                                         0, 1, 0, 0,
1777                                         BUTTON_H_PADDING,
1778                                         0);
1779         col++;
1780
1781         ADD_BUTTON_TO_TABLE(viewer->next_page, STOCK_PIXMAP_RIGHT_ARROW)
1782         ADD_BUTTON_TO_TABLE(viewer->last_page, STOCK_PIXMAP_LAST_ARROW)
1783         ADD_SEP_TO_TABLE
1784         ADD_BUTTON_TO_TABLE(viewer->zoom_fit, STOCK_PIXMAP_ZOOM_FIT)
1785         ADD_BUTTON_TO_TABLE(viewer->zoom_in, STOCK_PIXMAP_ZOOM_IN)
1786         gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->zoom_scroll),
1787                                         col, col+1,
1788                                         0, 1, 0, 0,
1789                                         BUTTON_H_PADDING,
1790                                         0);
1791         col++;
1792         ADD_BUTTON_TO_TABLE(viewer->zoom_out, STOCK_PIXMAP_ZOOM_OUT)
1793         ADD_BUTTON_TO_TABLE(viewer->zoom_width, STOCK_PIXMAP_ZOOM_WIDTH)
1794         ADD_SEP_TO_TABLE
1795         ADD_BUTTON_TO_TABLE(viewer->rotate_left, STOCK_PIXMAP_ROTATE_LEFT)
1796         ADD_BUTTON_TO_TABLE(viewer->rotate_right, STOCK_PIXMAP_ROTATE_RIGHT)
1797         ADD_SEP_TO_TABLE
1798         ADD_BUTTON_TO_TABLE(viewer->print, STOCK_PIXMAP_PRINTER)
1799         ADD_BUTTON_TO_TABLE(viewer->doc_info, STOCK_PIXMAP_DOC_INFO)
1800         ADD_BUTTON_TO_TABLE(viewer->doc_index, STOCK_PIXMAP_DOC_INDEX)
1801
1802         gtk_scrolled_window_set_policy(
1803                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1804                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1805
1806         gtk_scrolled_window_set_shadow_type(
1807                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1808                         GTK_SHADOW_IN);
1809
1810         gtk_scrolled_window_add_with_viewport(
1811                         GTK_SCROLLED_WINDOW(viewer->scrollwin),
1812                         viewer->pdf_view_ebox);
1813
1814         viewer->vbox = gtk_vbox_new(FALSE, 4);
1815         viewer->hbox = gtk_hbox_new(FALSE, 4);
1816
1817     /* treeview */
1818         tree_store = gtk_tree_store_new(N_INDEX_COLUMNS,
1819                                         G_TYPE_STRING,
1820                                         G_TYPE_INT,
1821                                         G_TYPE_DOUBLE);
1822
1823         viewer->index_list = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
1824         renderer = gtk_cell_renderer_text_new();
1825         column = gtk_tree_view_column_new_with_attributes(_("Name"),  renderer, "text", 0,  NULL);
1826         gtk_tree_view_append_column(GTK_TREE_VIEW(viewer->index_list), column);
1827         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(viewer->index_list), FALSE);
1828
1829         viewer->index_model = GTK_TREE_MODEL(tree_store);
1830
1831         gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(viewer->index_list)),
1832                                                                 GTK_SELECTION_SINGLE);
1833
1834         g_signal_connect(G_OBJECT(viewer->index_list), "row_activated",
1835                          G_CALLBACK(pdf_viewer_index_row_activated),
1836                                          viewer);
1837
1838         gtk_scrolled_window_set_policy(
1839                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1840                         GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1841
1842         gtk_scrolled_window_set_shadow_type(
1843                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1844                         GTK_SHADOW_IN);
1845
1846         gtk_scrolled_window_add_with_viewport(
1847                         GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1848                         viewer->index_list);
1849
1850         /* end treeview */
1851
1852         stock_pixbuf_gdk(STOCK_PIXMAP_MIME_TEXT_PLAIN,
1853                         &viewer->icon_pixbuf);
1854
1855         gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1856                                 viewer->icon_pixbuf);
1857
1858         /* pack widgets*/
1859         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->icon_type_ebox, FALSE, FALSE, 0);
1860         gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->widgets_table, FALSE, FALSE, 0);
1861
1862         gtk_container_add(GTK_CONTAINER(viewer->frame_index), viewer->scrollwin_index);
1863
1864         gtk_paned_pack1(GTK_PANED(viewer->doc_index_pane), viewer->frame_index, FALSE, FALSE);
1865         gtk_paned_pack2(GTK_PANED(viewer->doc_index_pane), viewer->scrollwin, FALSE, FALSE);
1866
1867         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->hbox, FALSE, FALSE, 0);
1868         gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->doc_index_pane, TRUE, TRUE, 0);
1869         /* show widgets */
1870         gtk_widget_show(GTK_WIDGET(viewer->doc_index_pane));
1871         g_object_ref(GTK_WIDGET(viewer->doc_index_pane));
1872         gtk_widget_show(GTK_WIDGET(viewer->scrollwin));
1873         g_object_ref(GTK_WIDGET(viewer->scrollwin));
1874         gtk_widget_show(GTK_WIDGET(viewer->icon_type_ebox));
1875         g_object_ref(GTK_WIDGET(viewer->icon_type_ebox));
1876         gtk_widget_show(GTK_WIDGET(viewer->pdf_view_ebox));
1877         g_object_ref(GTK_WIDGET(viewer->pdf_view_ebox));
1878         gtk_widget_show(GTK_WIDGET(viewer->scrollwin_index));
1879         g_object_ref(GTK_WIDGET(viewer->scrollwin_index));
1880         gtk_widget_show(GTK_WIDGET(viewer->hbox));
1881         g_object_ref(GTK_WIDGET(viewer->hbox));
1882         gtk_widget_show(GTK_WIDGET(viewer->vbox));
1883         g_object_ref(GTK_WIDGET(viewer->vbox));
1884
1885         gtk_widget_show(GTK_WIDGET(viewer->widgets_table));
1886         g_object_ref(GTK_WIDGET(viewer->widgets_table));
1887
1888         gtk_widget_show(GTK_WIDGET(viewer->cur_page));
1889         g_object_ref(GTK_WIDGET(viewer->cur_page));
1890
1891         gtk_widget_show(GTK_WIDGET(viewer->first_page));
1892         g_object_ref(GTK_WIDGET(viewer->first_page));
1893
1894         gtk_widget_show(GTK_WIDGET(viewer->last_page));
1895         g_object_ref(GTK_WIDGET(viewer->last_page));
1896
1897         gtk_widget_show(GTK_WIDGET(viewer->prev_page));
1898         g_object_ref(GTK_WIDGET(viewer->prev_page));
1899
1900         gtk_widget_show(GTK_WIDGET(viewer->next_page));
1901         g_object_ref(GTK_WIDGET(viewer->next_page));
1902
1903         gtk_widget_show(GTK_WIDGET(viewer->zoom_in));
1904         g_object_ref(GTK_WIDGET(viewer->zoom_in));
1905         gtk_widget_show(GTK_WIDGET(viewer->zoom_out));
1906         g_object_ref(GTK_WIDGET(viewer->zoom_out));
1907         gtk_widget_show(GTK_WIDGET(viewer->zoom_fit));
1908         g_object_ref(GTK_WIDGET(viewer->zoom_fit));
1909         gtk_widget_show(GTK_WIDGET(viewer->zoom_width));
1910         g_object_ref(GTK_WIDGET(viewer->zoom_width));
1911
1912         gtk_widget_show(GTK_WIDGET(viewer->rotate_right));
1913         g_object_ref(GTK_WIDGET(viewer->rotate_right));
1914         gtk_widget_show(GTK_WIDGET(viewer->rotate_left));
1915         g_object_ref(GTK_WIDGET(viewer->rotate_left));
1916         gtk_widget_show(GTK_WIDGET(viewer->print));
1917         g_object_ref(GTK_WIDGET(viewer->print));
1918         gtk_widget_show(GTK_WIDGET(viewer->doc_info));
1919         g_object_ref(GTK_WIDGET(viewer->doc_info));
1920         gtk_widget_show(GTK_WIDGET(viewer->doc_index));
1921         g_object_ref(GTK_WIDGET(viewer->doc_index));
1922
1923         gtk_widget_show(GTK_WIDGET(viewer->doc_label));
1924         g_object_ref(GTK_WIDGET(viewer->doc_label));
1925         gtk_widget_show(GTK_WIDGET(viewer->icon_type));
1926         g_object_ref(GTK_WIDGET(viewer->icon_type));
1927         gtk_widget_show(GTK_WIDGET(viewer->pdf_view));
1928         g_object_ref(GTK_WIDGET(viewer->pdf_view));
1929         gtk_widget_show(GTK_WIDGET(viewer->zoom_scroll));
1930         g_object_ref(GTK_WIDGET(viewer->zoom_scroll));
1931
1932         gtk_widget_show(GTK_WIDGET(viewer->index_list));
1933         g_object_ref(GTK_WIDGET(viewer->index_list));
1934
1935         /* Set Tooltips*/
1936         CLAWS_SET_TIP(viewer->first_page,
1937                                 _("First Page"));
1938
1939         CLAWS_SET_TIP(viewer->prev_page,
1940                                 _("Previous Page"));
1941
1942         CLAWS_SET_TIP(viewer->next_page,
1943                                 _("Next Page"));
1944
1945         CLAWS_SET_TIP(viewer->last_page,
1946                                 _("Last Page"));
1947
1948         CLAWS_SET_TIP(viewer->zoom_in,
1949                                 _("Zoom In"));
1950         CLAWS_SET_TIP(viewer->zoom_out,
1951                                 _("Zoom Out"));
1952
1953         CLAWS_SET_TIP(viewer->zoom_fit,
1954                                 _("Fit Page"));
1955
1956         CLAWS_SET_TIP(viewer->zoom_width,
1957                                 _("Fit Page Width"));
1958
1959         CLAWS_SET_TIP(viewer->rotate_left,
1960                                 _("Rotate Left"));
1961
1962         CLAWS_SET_TIP(viewer->rotate_right,
1963                                 _("Rotate Right"));
1964
1965         CLAWS_SET_TIP(viewer->print,
1966                                 _("Print Document"));
1967
1968         CLAWS_SET_TIP(viewer->doc_info,
1969                                 _("Document Info"));
1970
1971         CLAWS_SET_TIP(viewer->doc_index,
1972                                 _("Document Index"));
1973         CLAWS_SET_TIP(viewer->cur_page,
1974                                 _("Page Number"));
1975         CLAWS_SET_TIP(viewer->zoom_scroll,
1976                                 _("Zoom Factor"));
1977         /* Connect Signals */
1978         g_signal_connect(G_OBJECT(viewer->cur_page),
1979                                     "value-changed",
1980                                     G_CALLBACK(pdf_viewer_spin_change_page_cb),
1981                                    (gpointer) viewer);
1982
1983         g_signal_connect(G_OBJECT(viewer->first_page),
1984                                     "clicked",
1985                                     G_CALLBACK(pdf_viewer_button_first_page_cb),
1986                                    (gpointer) viewer);
1987         g_signal_connect(G_OBJECT(viewer->prev_page),
1988                                     "clicked",
1989                                     G_CALLBACK(pdf_viewer_button_prev_page_cb),
1990                                    (gpointer) viewer);
1991         g_signal_connect(G_OBJECT(viewer->next_page),
1992                                     "clicked",
1993                                     G_CALLBACK(pdf_viewer_button_next_page_cb),
1994                                    (gpointer) viewer);
1995         g_signal_connect(G_OBJECT(viewer->last_page),
1996                                     "clicked",
1997                                     G_CALLBACK(pdf_viewer_button_last_page_cb),
1998                                    (gpointer) viewer);
1999         g_signal_connect(G_OBJECT(viewer->zoom_in),
2000                                     "clicked",
2001                                     G_CALLBACK(pdf_viewer_button_zoom_in_cb),
2002                                    (gpointer) viewer);
2003         g_signal_connect(G_OBJECT(viewer->zoom_out),
2004                                     "clicked",
2005                                     G_CALLBACK(pdf_viewer_button_zoom_out_cb),
2006                                    (gpointer) viewer);
2007         g_signal_connect(G_OBJECT(viewer->zoom_scroll),
2008                                     "value-changed",
2009                                     G_CALLBACK(pdf_viewer_spin_zoom_scroll_cb),
2010                                    (gpointer) viewer);
2011
2012         g_signal_connect(G_OBJECT(viewer->zoom_fit),
2013                                    "clicked",
2014                                     G_CALLBACK(pdf_viewer_button_zoom_fit_cb),
2015                                    (gpointer) viewer);
2016
2017         g_signal_connect(G_OBJECT(viewer->zoom_width),
2018                                     "clicked",
2019                                     G_CALLBACK(pdf_viewer_button_zoom_width_cb),
2020                                    (gpointer) viewer);
2021
2022         g_signal_connect(G_OBJECT(viewer->rotate_right),
2023                                     "clicked",
2024                                     G_CALLBACK(pdf_viewer_button_rotate_right_cb),
2025                                    (gpointer) viewer);
2026
2027         g_signal_connect(G_OBJECT(viewer->rotate_left),
2028                                     "clicked",
2029                                     G_CALLBACK(pdf_viewer_button_rotate_left_cb),
2030                                    (gpointer) viewer);
2031
2032         g_signal_connect(G_OBJECT(viewer->print),
2033                                     "clicked",
2034                                     G_CALLBACK(pdf_viewer_button_print_cb),
2035                                    (gpointer) viewer);
2036
2037         g_signal_connect(G_OBJECT(viewer->doc_info),
2038                                     "clicked",
2039                                     G_CALLBACK(pdf_viewer_button_document_info_cb),
2040                                    (gpointer) viewer);
2041
2042         g_signal_connect(G_OBJECT(viewer->doc_index),
2043                                     "clicked",
2044                                     G_CALLBACK(pdf_viewer_show_document_index_cb),
2045                                    (gpointer) viewer);
2046         g_signal_connect(G_OBJECT(viewer->scrollwin),
2047                                     "scroll-event",
2048                                     G_CALLBACK(pdf_viewer_scroll_cb),
2049                                    (gpointer) viewer);
2050         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2051                                     "button_press_event",
2052                                     G_CALLBACK(pdf_viewer_button_press_events_cb),
2053                                    (gpointer) viewer);
2054         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2055                                     "button_release_event",
2056                                     G_CALLBACK(pdf_viewer_mouse_scroll_destroy_cb),
2057                                    (gpointer) viewer);
2058         g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2059                                     "motion_notify_event",
2060                                     G_CALLBACK(pdf_viewer_move_events_cb),
2061                                    (gpointer) viewer);
2062
2063         viewer->target_filename = NULL;
2064         viewer->filename = NULL;
2065         viewer->fsname = NULL;
2066
2067         return(MimeViewer *) viewer;
2068 }
2069
2070 #undef ADD_BUTTON_TO_TABLE
2071 #undef ADD_SEP_TO_TABLE
2072 #undef BUTTON_H_PADDING
2073 #undef SEP_H_PADDING
2074
2075 static MimeViewerFactory pdf_viewer_factory =
2076 {
2077         content_types,
2078         0,
2079         pdf_viewer_create,
2080 };
2081
2082 gint plugin_init(gchar **error)
2083 {
2084         gchar *gspath = NULL;
2085
2086         msg = g_strdup_printf(_("This plugin enables the viewing of PDF and PostScript "
2087                                 "attachments using the Poppler %s Lib and the gs tool.\n\n"
2088                                 "Any feedback is welcome: iwkse@claws-mail.org"
2089                                 ), poppler_get_version());
2090
2091         if (!check_plugin_version(MAKE_NUMERIC_VERSION(3,8,1,46),
2092                     VERSION_NUMERIC, _("PDF Viewer"), error)) return -1;
2093
2094         if ((gspath = g_find_program_in_path("gs")) == NULL) {
2095                 gchar *pmsg = msg;
2096                 msg = g_strdup_printf(_("Warning: could not find ghostscript binary (gs) required "
2097                                         "for %s plugin to process PostScript attachments, only PDF "
2098                                         "attachments will be displayed. To enable PostScript "
2099                                         "support please install gs program.\n\n%s"
2100                                         ), _("PDF Viewer"), pmsg);
2101                 g_free(pmsg);
2102         }
2103         else {
2104                 g_free(gspath);
2105         }
2106
2107         mimeview_register_viewer_factory(&pdf_viewer_factory);
2108         return 0;
2109 }
2110
2111 gboolean plugin_done(void)
2112 {
2113         g_free(msg);
2114         mimeview_unregister_viewer_factory(&pdf_viewer_factory);
2115         return TRUE;
2116 }
2117
2118 const gchar *plugin_name(void)
2119 {
2120         return _("PDF Viewer");
2121 }
2122
2123 const gchar *plugin_desc(void)
2124 {
2125         return msg;
2126 }
2127
2128 const gchar *plugin_type(void)
2129 {
2130         return "GTK2";
2131 }
2132
2133 const gchar *plugin_licence(void)
2134 {
2135         return "GPL3+";
2136 }
2137
2138 const gchar *plugin_version(void)
2139 {
2140         return VERSION;
2141 }
2142
2143 struct PluginFeature *plugin_provides(void)
2144 {
2145         static struct PluginFeature features[] =
2146                 { {PLUGIN_MIMEVIEWER, "application/pdf"},
2147                   {PLUGIN_MIMEVIEWER, "application/postscript"},
2148                   {PLUGIN_NOTHING, NULL} };
2149         return features;
2150 }
2151