?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Remove inclusion of sys/socket.h from nntp-thread.c
[claws.git] / src / plugins / pdf_viewer / poppler_viewer.c
blob9397226504970575f4b59694c9a0a4bee981f811
1 /*
2 * Claws Mail -- a GTK based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2022 the Claws Mail Team and Salvatore De Paolis
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #include "claws-features.h"
22 #endif
23
24 #include <glib.h>
25 #include <glib/gi18n.h>
26
27 #include "poppler_viewer.h"
28 #include "printing.h"
29 #include "prefs_common.h"
30 #include "gtk/gtkutils.h"
31 #include "gtk/inputdialog.h"
32 #include "mimeview.h"
33 #include "summaryview.h"
34 #include "file-utils.h"
35 #ifndef POPPLER_WITH_GDK
36 #include "stdbool.h"
37 #endif
38
39 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo);
40 static MimeViewerFactory pdf_viewer_factory;
41
42 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
43 MimeInfo *partinfo);
44
45 static MimeViewer *pdf_viewer_create(void);
46 static void pdf_viewer_clear(MimeViewer *_viewer);
47 static void pdf_viewer_destroy(MimeViewer *_viewer);
48 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num);
49
50 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer);
51
52 static void pdf_viewer_hide_index_pane(PdfViewer *viewer);
53 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer);
54 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y);
55
56 static void search_matches_free(PdfViewer *viewer);
57 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
58 const gchar *str, gboolean case_sens);
59 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results);
60 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width, double height, double zoom, gint rotate);
61
62 static char * pdf_viewer_get_document_format_data(GDateTime *utime);
63 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter);
64 static void pdf_viewer_index_row_activated(GtkTreeView *tree_view,
65 GtkTreePath *path,
66 GtkTreeViewColumn *column,
67 gpointer data);
68
69 static GtkGrid * pdf_viewer_fill_info_table(PdfViewer *viewer);
70
71 /* Callbacks */
72 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer);
73 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
74 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
75 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer);
76 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer);
77 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer);
78 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer);
79 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer);
80 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer);
81 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer);
82 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer);
83 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer);
84 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer);
85 /* Show/Hide the index pane */
86 static void pdf_viewer_show_document_index_cb(GtkToggleButton *button, PdfViewer *viewer);
87 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer);
88 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer);
89
90 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show);
91 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up);
92 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up);
93
94 /** Claws Mail Plugin functions */
95 gint plugin_init(gchar **error);
96 const gchar *plugin_name(void);
97 const gchar *plugin_desc(void);
98 const gchar *plugin_type(void);
99 const gchar *plugin_licence(void);
100 const gchar *plugin_version(void);
101 struct PluginFeature *plugin_provides(void);
102
103 #ifndef POPPLER_WITH_GDK
104 static void
105 copy_cairo_surface_to_pixbuf (cairo_surface_t *surface,
106 GdkPixbuf *pixbuf)
107 {
108 int cairo_width, cairo_height, cairo_rowstride;
109 unsigned char *pixbuf_data, *dst, *cairo_data;
110 int pixbuf_rowstride, pixbuf_n_channels;
111 unsigned int *src;
112 int x, y;
113
114 cairo_width = cairo_image_surface_get_width (surface);
115 cairo_height = cairo_image_surface_get_height (surface);
116 cairo_rowstride = cairo_image_surface_get_stride (surface);
117 cairo_data = cairo_image_surface_get_data (surface);
118
119 pixbuf_data = gdk_pixbuf_get_pixels (pixbuf);
120 pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf);
121 pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf);
122
123 if (cairo_width > gdk_pixbuf_get_width (pixbuf))
124 cairo_width = gdk_pixbuf_get_width (pixbuf);
125 if (cairo_height > gdk_pixbuf_get_height (pixbuf))
126 cairo_height = gdk_pixbuf_get_height (pixbuf);
127 for (y = 0; y < cairo_height; y++) {
128 src = (unsigned int *) (cairo_data + y * cairo_rowstride);
129 dst = pixbuf_data + y * pixbuf_rowstride;
130 for (x = 0; x < cairo_width; x++) {
131 dst[0] = (*src >> 16) & 0xff;
132 dst[1] = (*src >> 8) & 0xff;
133 dst[2] = (*src >> 0) & 0xff;
134 if (pixbuf_n_channels == 4)
135 dst[3] = (*src >> 24) & 0xff;
136 dst += pixbuf_n_channels;
137 src++;
138 }
139 }
140 }
141 static void
142 _poppler_page_render_to_pixbuf (PopplerPage *page,
143 int src_x, int src_y,
144 int src_width, int src_height,
145 double scale,
146 int rotation,
147 gboolean printing,
148 GdkPixbuf *pixbuf)
149 {
150 cairo_t *cr;
151 cairo_surface_t *surface;
152
153 surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
154 src_width, src_height);
155 cr = cairo_create (surface);
156 cairo_save (cr);
157 switch (rotation) {
158 case 90:
159 cairo_translate (cr, src_x + src_width, -src_y);
160 break;
161 case 180:
162 cairo_translate (cr, src_x + src_width, src_y + src_height);
163 break;
164 case 270:
165 cairo_translate (cr, -src_x, src_y + src_height);
166 break;
167 default:
168 cairo_translate (cr, -src_x, -src_y);
169 }
170
171 if (scale != 1.0)
172 cairo_scale (cr, scale, scale);
173
174 if (rotation != 0)
175 cairo_rotate (cr, rotation * G_PI / 180.0);
176
177 if (printing)
178 poppler_page_render_for_printing (page, cr);
179 else
180 poppler_page_render (page, cr);
181 cairo_restore (cr);
182
183 cairo_set_operator (cr, CAIRO_OPERATOR_DEST_OVER);
184 cairo_set_source_rgb (cr, 1., 1., 1.);
185 cairo_paint (cr);
186
187 cairo_destroy (cr);
188
189 copy_cairo_surface_to_pixbuf (surface, pixbuf);
190 cairo_surface_destroy (surface);
191 }
192
193 /**
194 * poppler_page_render_to_pixbuf:
195 * @page: the page to render from
196 * @src_x: x coordinate of upper left corner
197 * @src_y: y coordinate of upper left corner
198 * @src_width: width of rectangle to render
199 * @src_height: height of rectangle to render
200 * @scale: scale specified as pixels per point
201 * @rotation: rotate the document by the specified degree
202 * @pixbuf: pixbuf to render into
203 *
204 * First scale the document to match the specified pixels per point,
205 * then render the rectangle given by the upper left corner at
206 * (src_x, src_y) and src_width and src_height.
207 * This function is for rendering a page that will be displayed.
208 * If you want to render a page that will be printed use
209 * poppler_page_render_to_pixbuf_for_printing() instead
210 *
211 * Deprecated: 0.16
212 **/
213 static void
214 poppler_page_render_to_pixbuf (PopplerPage *page,
215 int src_x, int src_y,
216 int src_width, int src_height,
217 double scale,
218 int rotation,
219 GdkPixbuf *pixbuf)
220 {
221 g_return_if_fail (POPPLER_IS_PAGE (page));
222 g_return_if_fail (scale > 0.0);
223 g_return_if_fail (pixbuf != NULL);
224
225 _poppler_page_render_to_pixbuf (page, src_x, src_y,
226 src_width, src_height,
227 scale, rotation,
228 FALSE,
229 pixbuf);
230 }
231 #endif
232 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer)
233 {
234 PdfViewer *viewer = (PdfViewer *) _viewer;
235 debug_print("pdf_viewer_get_widget: %p\n", viewer->vbox);
236
237 return GTK_WIDGET(viewer->vbox);
238 }
239 /** Hide the index panel */
240 static void pdf_viewer_hide_index_pane(PdfViewer *viewer)
241 {
242 if (viewer->pdf_index) {
243 poppler_index_iter_free(viewer->pdf_index);
244 viewer->pdf_index = NULL;
245 gtk_widget_hide(GTK_WIDGET(viewer->frame_index));
246 }
247 }
248
249 static void search_matches_free(PdfViewer *viewer)
250 {
251 GList *cur;
252 for(cur = viewer->text_found; cur; cur = cur->next) {
253 PageResult *res = (PageResult *)cur->data;
254 g_list_free(res->results);
255 g_free(res);
256 }
257 g_list_free(viewer->text_found);
258 viewer->text_found = NULL;
259 g_free(viewer->last_search);
260 viewer->last_search = NULL;
261 if (viewer->last_rect && viewer->last_page_result) {
262 viewer->last_rect = NULL;
263 viewer->last_page_result = NULL;
264 pdf_viewer_update((MimeViewer *)viewer,
265 FALSE,
266 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
267 }
268 }
269
270 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y)
271 {
272 GtkAdjustment *vadj;
273 GtkAdjustment *hadj;
274 vadj = gtk_scrolled_window_get_vadjustment(
275 GTK_SCROLLED_WINDOW(viewer->scrollwin));
276
277 if (y < gtk_adjustment_get_value(vadj)) {
278 gtk_adjustment_set_value(vadj, y);
279 }
280 else {
281 while(y > gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj)) {
282 gtk_adjustment_set_value(vadj,
283 gtk_adjustment_get_value(vadj) + gtk_adjustment_get_page_size(vadj));
284 }
285 }
286
287 hadj = gtk_scrolled_window_get_hadjustment(
288 GTK_SCROLLED_WINDOW(viewer->scrollwin));
289
290 if (x < gtk_adjustment_get_value(hadj)) {
291 gtk_adjustment_set_value(hadj, x);
292 }
293 else {
294 while(x > gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj)) {
295 gtk_adjustment_set_value(hadj,
296 gtk_adjustment_get_value(hadj) + gtk_adjustment_get_page_size(hadj));
297 }
298 }
299
300 g_signal_emit_by_name(G_OBJECT(hadj), "value-changed", 0);
301 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
302 }
303 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width,
304 double height, double zoom, gint rotate)
305 {
306 GdkPixbuf *pb;
307
308 debug_print("width: %f\n", width);
309 pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
310 FALSE, 8,
311 (int)(width * zoom),
312 (int)(height * zoom));
313
314 poppler_page_render_to_pixbuf(page, 0, 0,
315 (int)(width * zoom),
316 (int)(height * zoom),
317 zoom, rotate, pb);
318
319 gtk_image_set_from_pixbuf(GTK_IMAGE(view), pb);
320 g_object_unref(G_OBJECT(pb));
321 }
322 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results)
323 {
324 gint selw, selh;
325 double width_points, height_points;
326 gint width, height;
327 GdkPixbuf *sel_pb, *page_pb;
328 gfloat x1, x2, y1, y2;
329
330
331 gint cur_page_num =
332 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
333
334 viewer->last_match = viewer->res_cnt;
335
336 viewer->last_rect = NULL;
337 viewer->last_page_result = NULL;
338 if (cur_page_num != page_results->page_num) {
339 /* we changed page. update the view */
340 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
341 (gdouble) page_results->page_num);
342 }
343
344 viewer->last_rect = rect;
345 viewer->last_page_result = page_results;
346
347 GTK_EVENTS_FLUSH();
348
349 poppler_page_get_size(POPPLER_PAGE(viewer->pdf_page), &width_points, &height_points);
350 width = (int)((width_points * viewer->zoom) + 0.5);
351 height = (int)((height_points * viewer->zoom) + 0.5);
352
353 if (viewer->rotate == 90) {
354 x1 = MIN(rect->y1,rect->y2) * viewer->zoom;
355 x2 = MAX(rect->y1,rect->y2) * viewer->zoom;
356 y1 = MAX(rect->x1,rect->x2) * viewer->zoom;
357 y2 = MIN(rect->x1,rect->x2) * viewer->zoom;
358 selw = (x2 - x1);
359 selh = (y1 - y2);
360
361 } else if (viewer->rotate == 180) {
362 x1 = width - rect->x2 * viewer->zoom;
363 x2 = width - rect->x1 * viewer->zoom;
364 y1 = height - rect->y2 * viewer->zoom;
365 y2 = height - rect->y1 * viewer->zoom;
366 selw = (x2 - x1);
367 selh = (y2 - y1);
368 y1 = height - y1;
369 y2 = height - y2;
370
371 } else if (viewer->rotate == 270) {
372 x1 = height - MAX(rect->y1,rect->y2) * viewer->zoom;
373 x2 = height - MIN(rect->y1,rect->y2) * viewer->zoom;
374 y1 = width - MIN(rect->x1,rect->x2) * viewer->zoom;
375 y2 = width - MAX(rect->x1,rect->x2) * viewer->zoom;
376 selw = (x2 - x1);
377 selh = (y1 - y2);
378 } else {
379 x1 = rect->x1 * viewer->zoom;
380 x2 = rect->x2 * viewer->zoom;
381 y1 = rect->y1 * viewer->zoom;
382 y2 = rect->y2 * viewer->zoom;
383 selw = (x2 - x1);
384 selh = (y2 - y1);
385 y1 = height - y1;
386 y2 = height - y2;
387 }
388
389 sel_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8,
390 selw, selh);
391
392 gdk_pixbuf_fill(sel_pb, SELECTION_COLOR);
393
394 page_pb = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
395 FALSE, 8,
396 (int)(viewer->width * viewer->zoom),
397 (int)(viewer->height * viewer->zoom));
398
399 poppler_page_render_to_pixbuf(viewer->pdf_page,
400 0,
401 0,
402 (int)(viewer->width * viewer->zoom),
403 (int)(viewer->height * viewer->zoom),
404 viewer->zoom,
405 viewer->rotate,
406 page_pb);
407
408 gdk_pixbuf_composite(sel_pb, page_pb,
409 x1, y2, selw, selh, 0, 0,
410 viewer->zoom, viewer->zoom,
411 GDK_INTERP_BILINEAR, ALPHA_CHANNEL);
412
413 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), page_pb);
414
415 pdf_viewer_scroll_to(viewer, MIN(x1,x2), MIN(y1,y2));
416
417 g_object_unref(G_OBJECT(sel_pb));
418 g_object_unref(G_OBJECT(page_pb));
419
420 }
421
422 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
423 const gchar *str, gboolean case_sens)
424 {
425 PdfViewer *viewer = (PdfViewer *)_viewer;
426 GList *all_pages_results, *cur_page_results;
427 viewer->res_cnt = 0;
428
429 debug_print("pdf_viewer_text_search: %s\n", str);
430 main_window_cursor_wait(mainwindow_get_mainwindow());
431
432 if (viewer->last_search && strcmp(str, viewer->last_search)) {
433 search_matches_free(viewer);
434 viewer->last_match = -1;
435 viewer->num_matches = 0;
436 } else if (!viewer->last_search) {
437 viewer->last_match = -1;
438 viewer->num_matches = 0;
439 }
440 /* It's a new search, build list of matches
441 * across all pages */
442 if (viewer->last_match == -1) {
443 gint i;
444
445 for(i = 1; i <= viewer->num_pages; i++) {
446
447 PopplerPage *pdf_page = poppler_document_get_page(viewer->pdf_doc, i - 1);
448 viewer->page_results = poppler_page_find_text(pdf_page, str);
449
450 if (viewer->page_results != NULL) {
451 debug_print("page_results %p\n", viewer->page_results);
452 /* store results for this page */
453 guint num_res = 0;
454 PageResult *res = g_new0(PageResult, 1);
455 res->results = viewer->page_results;
456 res->page_num = i;
457 /* found text, prepend this page(faster than append) */
458 viewer->text_found = g_list_prepend(viewer->text_found, res);
459 num_res = g_list_length(viewer->page_results);
460 debug_print("%d results on page %d\n", num_res, i);
461 viewer->num_matches += num_res;
462 }
463 g_object_unref(G_OBJECT(pdf_page));
464 }
465
466 if (viewer->text_found == NULL) {
467 main_window_cursor_normal(mainwindow_get_mainwindow());
468 return FALSE;
469 }
470 /* put back the list in the correct order */
471 viewer->text_found = g_list_reverse(viewer->text_found);
472 }
473
474 if (!viewer->text_found) {
475 main_window_cursor_normal(mainwindow_get_mainwindow());
476 return FALSE;
477 } else {
478 viewer->last_search = g_strdup(str);
479 }
480
481 if (backward) {
482 /* if backward, we have to initialize stuff to search
483 * from the end */
484 viewer->res_cnt = viewer->num_matches-1;
485 if (viewer->last_match == -1) {
486 viewer->last_match = viewer->num_matches+1;
487 }
488 all_pages_results = g_list_last(viewer->text_found);
489 }
490 else {
491 all_pages_results = viewer->text_found;
492 }
493
494 for(; all_pages_results; all_pages_results = (backward?all_pages_results->prev:all_pages_results->next)) {
495
496 PageResult * page_results = (PageResult *)all_pages_results->data;
497
498 if (backward) {
499 cur_page_results = g_list_last(page_results->results);
500 }
501 else {
502 cur_page_results = page_results->results;
503 }
504
505 for(; cur_page_results; cur_page_results = (backward?cur_page_results->prev:cur_page_results->next)) {
506
507 gboolean valid = FALSE;
508 /* first valid result is the last+1 if searching
509 * forward, last-1 if searching backward */
510 if (backward) {
511 valid = (viewer->res_cnt < viewer->last_match);
512 }
513 else {
514 valid = (viewer->res_cnt > viewer->last_match);
515 }
516 if (valid) {
517 pdf_viewer_render_selection(viewer,
518 (PopplerRectangle *)cur_page_results->data,
519 page_results);
520 main_window_cursor_normal(mainwindow_get_mainwindow());
521 return TRUE;
522 }
523
524 if (backward) {
525 viewer->res_cnt--;
526 }
527 else {
528 viewer->res_cnt++;
529 }
530 }
531 }
532 main_window_cursor_normal(mainwindow_get_mainwindow());
533 search_matches_free(viewer);
534 return FALSE;
535 }
536
537 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter)
538 {
539 PopplerAction *action;
540 PopplerIndexIter *child;
541 GtkTreeIter childiter;
542
543 debug_print("get document index\n");
544 do {
545 gint page_num = 0;
546
547 action = poppler_index_iter_get_action(index_iter);
548
549 if (action->type != POPPLER_ACTION_GOTO_DEST) {
550 poppler_action_free(action);
551 continue;
552 }
553
554 if (action->goto_dest.dest->type == POPPLER_DEST_XYZ || action->goto_dest.dest->type == POPPLER_DEST_FITH) {
555 page_num = action->goto_dest.dest->page_num;
556 }
557 #ifdef HAVE_POPPLER_DEST_NAMED
558 else if (action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
559 PopplerDest *dest = poppler_document_find_dest(
560 viewer->pdf_doc, action->goto_dest.dest->named_dest);
561 if (dest->type != POPPLER_DEST_XYZ) {
562 g_warning("couldn't figure out link");
563 poppler_dest_free(dest);
564 continue;
565 }
566 page_num = dest->page_num;
567 poppler_dest_free(dest);
568 }
569 #endif
570 else {
571 #ifdef HAVE_POPPLER_DEST_NAMED
572 g_warning("unhandled link type %d. please contact developers", action->goto_dest.dest->type);
573 #else
574 g_warning("unhandled link type %d. please upgrade libpoppler-glib to 0.5.4", action->goto_dest.dest->type);
575 #endif
576 continue;
577 }
578 gtk_tree_store_append(GTK_TREE_STORE(viewer->index_model), &childiter, parentiter);
579 gtk_tree_store_set(GTK_TREE_STORE(viewer->index_model), &childiter,
580 INDEX_NAME, action->named.title,
581 INDEX_PAGE, page_num,
582 INDEX_TOP, action->goto_dest.dest->top,
583 -1);
584 poppler_action_free(action);
585 child = poppler_index_iter_get_child(index_iter);
586 if (child) {
587 pdf_viewer_get_document_index(viewer, child, &childiter);
588 poppler_index_iter_free(child);
589 }
590 }
591 while(poppler_index_iter_next(index_iter));
592 }
593
594 static void pdf_viewer_index_row_activated(GtkTreeView *tree_view,
595 GtkTreePath *path,
596 GtkTreeViewColumn *column,
597 gpointer data)
598 {
599 GtkTreeIter iter;
600 GtkTreeModel *model = gtk_tree_view_get_model(tree_view);
601 PdfViewer *viewer = (PdfViewer *)data;
602 gint page_num = 0;
603
604 debug_print("index_row_activated\n");
605 if (!gtk_tree_model_get_iter(model, &iter, path)) return;
606
607 gtk_tree_model_get(model, &iter,
608 INDEX_PAGE, &page_num,
609 -1);
610
611 if (page_num > 0) {
612 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),(gdouble)page_num);
613 debug_print("Page num: %d\n", page_num);
614 }
615 GTK_EVENTS_FLUSH();
616 }
617
618 /** Disable the index button if the document doesn't have an index */
619 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer)
620 {
621 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
622 if (viewer->pdf_index) {
623 if (!gtk_widget_is_sensitive(viewer->doc_index)) {
624 gtk_widget_set_sensitive(viewer->doc_index, TRUE);
625 }
626 }
627 else {
628 gtk_widget_set_sensitive(viewer->doc_index, FALSE);
629 }
630
631 poppler_index_iter_free(viewer->pdf_index);
632 viewer->pdf_index = NULL;
633 }
634
635 static char * pdf_viewer_get_document_format_data(GDateTime *utime)
636 {
637 time_t time = (time_t) utime;
638 struct tm t;
639 char s[256];
640 const char *fmt_hack = "%c";
641 size_t len;
642
643 if (time == 0 || !localtime_r(&time, &t)) return NULL;
644
645 len = strftime(s, sizeof(s), fmt_hack, &t);
646
647 if (len == 0 || s[0] == '\0') return NULL;
648
649 return g_locale_to_utf8(s, -1, NULL, NULL, NULL);
650 }
651
652 #define ADD_TO_GRID(LABEL, VALUE) \
653 label = gtk_label_new(LABEL); \
654 gtk_label_set_xalign(GTK_LABEL(label), 1.0); \
655 gtk_widget_set_margin_start(GTK_WIDGET(label), 4); \
656 gtk_widget_set_margin_end(GTK_WIDGET(label), 0); \
657 gtk_grid_attach(GTK_GRID(viewer->table_doc_info), label, 0, row, 1, 1); \
658 \
659 label = gtk_label_new(VALUE); \
660 gtk_label_set_xalign(GTK_LABEL(label), 0.0); \
661 gtk_widget_set_margin_start(GTK_WIDGET(label), 4); \
662 gtk_widget_set_margin_end(GTK_WIDGET(label), 0); \
663 gtk_grid_attach(GTK_GRID(viewer->table_doc_info), label, 1, row, 1, 1); \
664 gtk_widget_set_hexpand(label, TRUE); \
665 gtk_widget_set_halign(label, GTK_ALIGN_FILL); \
666 row++;
667
668
669 static GtkGrid * pdf_viewer_fill_info_table(PdfViewer *viewer)
670 {
671 GtkWidget *label;
672 const gchar *title, *format, *author, *subject, *keywords, *creator, *producer;
673 gboolean linearized;
674 gchar *tmp;
675 gint row = 0;
676
677 GDateTime *creation_date, *mod_date;
678
679 PopplerPageLayout layout;
680 PopplerPageMode mode;
681 PopplerPermissions permissions;
682 PopplerViewerPreferences view_prefs;
683
684 title = format = author = subject = keywords = creator = producer = tmp = 0;
685
686 g_object_get(viewer->pdf_doc,
687 "title", &title,
688 "format", &format,
689 "author", &author,
690 "subject", &subject,
691 "keywords", &keywords,
692 "creation-date", &creation_date,
693 "permissions", &permissions,
694 "mod-date", &mod_date,
695 "creator", &creator,
696 "producer", &producer,
697 "linearized", &linearized,
698 "page-mode", &mode,
699 "page-layout", &layout,
700 "viewer-preferences", &view_prefs,
701 NULL);
702
703 viewer->table_doc_info = gtk_grid_new();
704
705 ADD_TO_GRID(_("Filename:"), viewer->target_filename)
706 ADD_TO_GRID(_("Size:"), to_human_readable(viewer->to_load->length))
707 ADD_TO_GRID(NULL, NULL)
708 ADD_TO_GRID(_("Title:"), title)
709 ADD_TO_GRID(_("Subject:"), subject)
710 ADD_TO_GRID(_("Author:"), author)
711 ADD_TO_GRID(_("Keywords:"), keywords)
712 ADD_TO_GRID(_("Creator:"), creator)
713 ADD_TO_GRID(_("Producer:"), producer)
714
715 tmp = pdf_viewer_get_document_format_data(creation_date);
716 ADD_TO_GRID(_("Created:"), tmp)
717 g_free(tmp);
718
719 tmp = pdf_viewer_get_document_format_data(mod_date);
720 ADD_TO_GRID(_("Modified:"), tmp)
721 g_free(tmp);
722
723 ADD_TO_GRID(_("Format:"), format)
724 if (linearized) {
725 ADD_TO_GRID(_("Optimized:"), _("Yes"))
726 }
727 else {
728 ADD_TO_GRID(_("Optimized:"), _("No"))
729 }
730 //ADD_TO_GRID(_("Page Mode:"), pdf_viewer_get_document_info_mode(mode))
731 //ADD_TO_GRID(_("Page Layout:"), pdf_viewer_get_document_info_layout(layout))
732
733 return(GtkGrid *) viewer->table_doc_info;
734 }
735 #undef ADD_TO_GRID
736
737 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo)
738 {
739 gchar *content_type = NULL;
740 FileType type = TYPE_UNKNOWN;
741 debug_print("mimepart_get_type\n");
742 if ((partinfo->type == MIMETYPE_APPLICATION) &&
743 (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
744
745 const gchar *filename;
746
747 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
748
749 if (filename == NULL)
750 filename = procmime_mimeinfo_get_parameter(partinfo, "name");
751 if (filename != NULL)
752 content_type = procmime_get_mime_type(filename);
753 }
754 else {
755 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
756 }
757
758 if (content_type == NULL) type = TYPE_UNKNOWN;
759 else if (!strcmp(content_type, "application/pdf")) type = TYPE_PDF;
760 else if (!strcmp(content_type, "application/postscript")) type = TYPE_PS;
761 else type = TYPE_UNKNOWN;
762
763 g_free(content_type);
764 return type;
765 }
766
767 /* Callbacks */
768 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer)
769 {
770
771 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
772 }
773
774 static void pdf_viewer_button_prev_page_cb(GtkButton *button, PdfViewer *viewer)
775 {
776
777 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
778 }
779
780 static void pdf_viewer_button_next_page_cb(GtkButton *button, PdfViewer *viewer)
781 {
782
783 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
784 }
785
786 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer)
787 {
788
789 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_END, 1);
790 }
791
792 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer)
793 {
794 pdf_viewer_update((MimeViewer *)viewer,
795 FALSE,
796 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
797 }
798
799 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer)
800 {
801
802 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_FORWARD, ZOOM_FACTOR);
803 }
804
805 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer)
806 {
807 viewer->zoom = gtk_spin_button_get_value(GTK_SPIN_BUTTON(viewer->zoom_scroll));
808 pdf_viewer_update((MimeViewer *)viewer,
809 FALSE,
810 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
811 }
812
813 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer)
814 {
815
816 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_BACKWARD, ZOOM_FACTOR);
817
818 }
819
820 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
821 {
822 gchar *uri;
823 GdkWindow *gdkwin;
824 #ifdef HAVE_POPPLER_DEST_NAMED
825 PopplerDest *dest;
826 #endif
827 static GdkCursor *hand_cur = NULL;
828
829 if (!hand_cur) hand_cur = gdk_cursor_new_for_display(
830 gtk_widget_get_display(widget), GDK_FLEUR);
831
832 /* Execute Poppler Links */
833 if (event->button == 1 && viewer->in_link) {
834 switch (viewer->link_action->type) {
835 case POPPLER_ACTION_UNKNOWN:
836 debug_print("action unknown\n");
837 break;
838 case POPPLER_ACTION_GOTO_DEST:
839 if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_XYZ ||
840 viewer->link_action->goto_dest.dest->type == POPPLER_DEST_FITH) {
841 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
842 (gdouble)viewer->link_action->goto_dest.dest->page_num);
843 }
844 #ifdef HAVE_POPPLER_DEST_NAMED
845 else if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
846 dest = poppler_document_find_dest(
847 viewer->pdf_doc, viewer->link_action->goto_dest.dest->named_dest);
848 if (dest->type != POPPLER_DEST_XYZ) {
849 g_warning("couldn't figure out link");
850 poppler_dest_free(dest);
851 break;
852 }
853 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
854 (gdouble)dest->page_num);
855 poppler_dest_free(dest);
856 }
857 #endif
858 break;
859 case POPPLER_ACTION_GOTO_REMOTE:
860 #ifdef HAVE_POPPLER_DEST_NAMED
861 dest = poppler_document_find_dest(
862 viewer->pdf_doc, viewer->link_action->goto_remote.dest->named_dest);
863 if (dest->type != POPPLER_DEST_XYZ) {
864 g_warning("couldn't figure out link");
865 poppler_dest_free(dest);
866 break;
867 }
868 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
869 (gdouble)dest->page_num);
870 poppler_dest_free(dest);
871 #endif
872 break;
873 case POPPLER_ACTION_LAUNCH:
874 debug_print("action launch not yet implemented\n");
875 break;
876 case POPPLER_ACTION_URI:
877 uri = g_strdup(viewer->link_action->uri.uri);
878 if (!g_ascii_strncasecmp(uri, "mailto:", 7))
879 compose_new(NULL, uri + 7, NULL);
880 else
881 open_uri(uri, prefs_common_get_uri_cmd());
882 g_free(uri);
883 break;
884 case POPPLER_ACTION_NAMED:
885 debug_print("action named not yet implemented\n");
886 break;
887 case POPPLER_ACTION_NONE:
888 debug_print("action none does nothing, surprise!\n");
889 break;
890 case POPPLER_ACTION_MOVIE:
891 debug_print("yoyoyo ;-) a movie?\n");
892 break;
893 #if POPPLER_CHECK_VERSION(0,14,0)
894 case POPPLER_ACTION_RENDITION:
895 debug_print("yoyoyo ;-) multimedia?\n");
896 break;
897 case POPPLER_ACTION_OCG_STATE:
898 debug_print("yoyoyo ;-) layer state?\n");
899 break;
900 #if POPPLER_CHECK_VERSION(0,18,0)
901 case POPPLER_ACTION_JAVASCRIPT:
902 debug_print("yoyoyo ;-) javascript?\n");
903 break;
904 #if POPPLER_CHECK_VERSION(0,90,0)
905 case POPPLER_ACTION_RESET_FORM:
906 debug_print("yoyoyo ;-) reset form?\n");
907 break;
908 #endif /* 0.90 */
909 #endif /* 0.18 */
910 #endif /* 0.14 */
911 }
912 if (((MimeViewer *)viewer)->mimeview &&
913 ((MimeViewer *)viewer)->mimeview->messageview &&
914 ((MimeViewer *)viewer)->mimeview->messageview->window &&
915 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
916 gdk_window_set_cursor (gdkwin, NULL);
917 else
918 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
919 }
920
921 /* Init document to be scrolled with left mouse click */
922 if (event->button == 1 && !viewer->in_link) {
923 viewer->pdf_view_scroll = TRUE;
924 if (((MimeViewer *)viewer)->mimeview &&
925 ((MimeViewer *)viewer)->mimeview->messageview &&
926 ((MimeViewer *)viewer)->mimeview->messageview->window &&
927 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
928 gdk_window_set_cursor (gdkwin, hand_cur);
929 else
930 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), hand_cur);
931
932 viewer->last_x = event->x;
933 viewer->last_y = event->y;
934 viewer->last_dir_x = 0;
935 viewer->last_dir_y = 0;
936 }
937 }
938 /* Set the normal cursor*/
939 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
940 {
941 GdkWindow *gdkwin;
942
943 if (event->button == 1) {
944 viewer->pdf_view_scroll = FALSE;
945 if (((MimeViewer *)viewer)->mimeview &&
946 ((MimeViewer *)viewer)->mimeview->messageview &&
947 ((MimeViewer *)viewer)->mimeview->messageview->window &&
948 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
949 gdk_window_set_cursor (gdkwin, NULL);
950 else
951 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
952 }
953 }
954
955 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer)
956 {
957 GdkWindow *gdkwin;
958
959 /* Grab the document and scroll it with mouse */
960 if (viewer->pdf_view_scroll) {
961
962 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
963 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
964
965 if (event->x < viewer->last_x
966 && 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))) {
967 if (viewer->last_dir_x == -1) {
968 gtk_adjustment_set_value(viewer->pdf_view_hadj,
969 gtk_adjustment_get_value(viewer->pdf_view_hadj)
970 + viewer->last_x
971 - event->x);
972 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
973 "value_changed", 0);
974 }
975 viewer->last_dir_x = -1;
976 }
977 else if (event->x > viewer->last_x
978 && gtk_adjustment_get_value(viewer->pdf_view_hadj) > 0.0) {
979 if (viewer->last_dir_x == +1) {
980 gtk_adjustment_set_value(viewer->pdf_view_hadj,
981 gtk_adjustment_get_value(viewer->pdf_view_hadj)
982 + viewer->last_x
983 - event->x);
984 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
985 "value_changed", 0);
986 }
987 viewer->last_dir_x = +1;
988 }
989
990 if (event->y < viewer->last_y
991 && 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))) {
992 if (viewer->last_dir_y == -1) {
993 gtk_adjustment_set_value(viewer->pdf_view_vadj,
994 gtk_adjustment_get_value(viewer->pdf_view_vadj)
995 + viewer->last_y
996 - event->y);
997 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
998 "value_changed", 0);
999 }
1000 viewer->last_dir_y = -1;
1001 }
1002 else if (event->y > viewer->last_y
1003 && gtk_adjustment_get_value(viewer->pdf_view_vadj) > 0.0) {
1004 if (viewer->last_dir_y == +1) {
1005 gtk_adjustment_set_value(viewer->pdf_view_vadj,
1006 gtk_adjustment_get_value(viewer->pdf_view_vadj)
1007 + viewer->last_y
1008 - event->y);
1009 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
1010 "value_changed", 0);
1011 }
1012 viewer->last_dir_y = +1;
1013 }
1014 viewer->last_x = event->x;
1015 viewer->last_y = event->y;
1016 GTK_EVENTS_FLUSH();
1017 }
1018 else {
1019 /* Link Mapping */
1020 static GList *l;
1021 static GdkCursor *link_cur = NULL;
1022 static GtkRequisition size;
1023 static gdouble x,y, x1, y1, x2, y2;
1024 gboolean ccur;
1025
1026 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1027 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1028
1029 if (!link_cur) link_cur = gdk_cursor_new_for_display(
1030 gtk_widget_get_display(viewer->scrollwin), GDK_HAND2);
1031
1032 ccur = FALSE;
1033 viewer->in_link = FALSE;
1034 for (l = viewer->link_map; l; l = g_list_next (l)) {
1035 gint upper;
1036 PopplerLinkMapping *lmapping;
1037 lmapping = (PopplerLinkMapping *)l->data;
1038
1039 x1 = lmapping->area.x1;
1040 y1 = lmapping->area.y1;
1041 x2 = lmapping->area.x2;
1042 y2 = lmapping->area.y2;
1043 gtk_widget_get_preferred_size(viewer->pdf_view, &size, NULL);
1044
1045 upper = gtk_adjustment_get_upper(viewer->pdf_view_hadj);
1046 switch (viewer->rotate) {
1047 case 0:
1048 case 360:
1049 if (size.width != upper)
1050 x = (event->x - (upper - size.width) / 2) / viewer->zoom;
1051 else
1052 x = event->x / viewer->zoom;
1053
1054 y = (upper - event->y) / viewer->zoom;
1055 break;
1056 case 90:
1057 if (size.width != upper)
1058 y = (event->x - (upper - size.width) / 2) / viewer->zoom;
1059 else
1060 y = event->x / viewer->zoom;
1061
1062 x = (event->y) / viewer->zoom;
1063 break;
1064 case 180:
1065 if (size.width != upper)
1066 x = ((upper - event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1067 else
1068 x = ((upper - event->x) - (upper - size.width)) / viewer->zoom;
1069
1070 y = (event->y) / viewer->zoom;
1071 break;
1072 case 270:
1073 if (size.width != upper)
1074 y = ((upper - event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1075 else
1076 y = ((upper - event->x) - (upper - size.width)) / viewer->zoom;
1077
1078 x = (upper - event->y) / viewer->zoom;
1079 break;
1080 }
1081
1082 if ( (x > x1 && x < x2) && (y > y1 && y < y2) ) {
1083 viewer->in_link = TRUE;
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, link_cur);
1089 else
1090 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), link_cur);
1091
1092 viewer->link_action = lmapping->action;
1093 ccur = TRUE;
1094 }
1095 if (!ccur) {
1096 if (((MimeViewer *)viewer)->mimeview &&
1097 ((MimeViewer *)viewer)->mimeview->messageview &&
1098 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1099 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1100 gdk_window_set_cursor (gdkwin, NULL);
1101 else
1102 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
1103 }
1104 }
1105 g_free(l);
1106 }
1107 }
1108 static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
1109 PdfViewer *viewer)
1110 {
1111 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1112 static gboolean in_scroll_cb = FALSE;
1113 gboolean handled = FALSE;
1114 gdouble delta_x = 0.0, delta_y = 0.0;
1115 gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1116
1117 if (in_scroll_cb)
1118 return FALSE;
1119
1120 in_scroll_cb = TRUE;
1121
1122 if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) {
1123 if (event->direction == GDK_SCROLL_UP) {
1124 pdf_viewer_button_zoom_in_cb(NULL, viewer);
1125 } else {
1126 pdf_viewer_button_zoom_out_cb(NULL, viewer);
1127 }
1128 in_scroll_cb = FALSE;
1129 return TRUE;
1130 }
1131
1132 if (event->direction == GDK_SCROLL_SMOOTH) {
1133 gdk_event_get_scroll_deltas((GdkEvent *)event, &delta_x, &delta_y);
1134 }
1135
1136 if ((delta_y < 0.0 || event->direction == GDK_SCROLL_UP) &&
1137 gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
1138 cur_p > 1) {
1139 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1140 gtk_adjustment_set_value(adj,
1141 gtk_adjustment_get_upper(adj) - gtk_adjustment_get_page_size(adj));
1142 handled = TRUE;
1143 } else if ((delta_y > 0.0 || event->direction == GDK_SCROLL_DOWN) &&
1144 gtk_adjustment_get_value(adj) + gtk_adjustment_get_page_size(adj) == gtk_adjustment_get_upper(adj) &&
1145 cur_p < viewer->num_pages) {
1146 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1147 gtk_adjustment_set_value(adj, 0.0);
1148 handled = TRUE;
1149 }
1150 in_scroll_cb = FALSE;
1151 return handled;
1152 }
1153
1154 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer)
1155 {
1156 GtkAllocation allocation;
1157 double xratio, yratio;
1158 gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1159 debug_print("width: %d\n", allocation.width);
1160 debug_print("height: %d\n", allocation.height);
1161 xratio = allocation.width / viewer->width;
1162 yratio = allocation.height / viewer->height;
1163
1164 if (xratio >= yratio) {
1165 viewer->zoom = yratio;
1166 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1167 }
1168 else {
1169 viewer->zoom = xratio;
1170 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1171 }
1172 }
1173
1174 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer)
1175 {
1176 GtkAllocation allocation;
1177 double xratio;
1178 gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1179 debug_print("width: %d\n", allocation.width);
1180 xratio = allocation.width / viewer->width;
1181 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), xratio);
1182 }
1183
1184 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer)
1185 {
1186 if (viewer->rotate == 360) {
1187 viewer->rotate = 0;
1188 }
1189
1190 viewer->rotate += (gint) ROTATION;
1191 pdf_viewer_update((MimeViewer *)viewer, FALSE,
1192 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1193 }
1194
1195 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer)
1196 {
1197 if (viewer->rotate == 0) {
1198 viewer->rotate = 360;
1199 }
1200
1201 viewer->rotate = abs(viewer->rotate -(gint) ROTATION);
1202 pdf_viewer_update((MimeViewer *)viewer, FALSE,
1203 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1204 }
1205
1206 /* Show/Hide the index pane */
1207 static void pdf_viewer_show_document_index_cb(GtkToggleButton *button, PdfViewer *viewer)
1208 {
1209 if (!viewer->pdf_index) {
1210 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
1211 }
1212
1213 gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1214
1215 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(viewer->doc_index))) {
1216 pdf_viewer_get_document_index(viewer,(PopplerIndexIter *) viewer->pdf_index, NULL);
1217 gtk_widget_show(GTK_WIDGET(viewer->frame_index));
1218 }
1219 else {
1220 pdf_viewer_hide_index_pane(viewer);
1221 }
1222
1223 }
1224
1225 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer)
1226 {
1227 MainWindow *mainwin = mainwindow_get_mainwindow();
1228 summary_print(mainwin->summaryview);
1229 }
1230
1231 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer)
1232 {
1233 alertpanel_full(_("PDF properties"), NULL, "window-close", _("_Close"), NULL, NULL,
1234 NULL, NULL, ALERTFOCUS_FIRST, FALSE,
1235 GTK_WIDGET(pdf_viewer_fill_info_table(viewer)),
1236 ALERT_NOTICE);
1237 }
1238
1239 /*
1240 static const char * poppler_get_document_info_mode(PopplerPageMode mode)
1241 {
1242 GEnumValue *enum_value;
1243
1244 enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_MODE), mode);
1245 return(gchar *) enum_value->value_name;
1246 }
1247 static const char * poppler_get_document_info_layout(PopplerPageLayout layout)
1248 {
1249
1250 GEnumValue *enum_value;
1251
1252 enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_LAYOUT), layout);
1253 return(gchar *) enum_value->value_name;
1254 }
1255 */
1256 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show)
1257 {
1258 if (show) {
1259 gtk_widget_show(viewer->first_page);
1260 gtk_widget_show(viewer->cur_page);
1261 gtk_widget_show(viewer->prev_page);
1262 gtk_widget_show(viewer->next_page);
1263 gtk_widget_show(viewer->last_page);
1264 gtk_widget_show(viewer->zoom_in);
1265 gtk_widget_show(viewer->zoom_out);
1266 gtk_widget_show(viewer->zoom_fit);
1267 gtk_widget_show(viewer->zoom_width);
1268 gtk_widget_show(viewer->zoom_scroll);
1269 gtk_widget_show(viewer->widgets_table);
1270 gtk_widget_show(viewer->rotate_right);
1271 gtk_widget_show(viewer->rotate_left);
1272 gtk_widget_show(viewer->print);
1273 gtk_widget_show(viewer->doc_info);
1274 gtk_widget_show(viewer->doc_index);
1275 } else {
1276 gtk_widget_hide(viewer->first_page);
1277 gtk_widget_hide(viewer->cur_page);
1278 gtk_widget_hide(viewer->prev_page);
1279 gtk_widget_hide(viewer->next_page);
1280 gtk_widget_hide(viewer->last_page);
1281 gtk_widget_hide(viewer->zoom_in);
1282 gtk_widget_hide(viewer->zoom_out);
1283 gtk_widget_hide(viewer->zoom_fit);
1284 gtk_widget_hide(viewer->zoom_width);
1285 gtk_widget_hide(viewer->zoom_scroll);
1286 gtk_widget_hide(viewer->widgets_table);
1287 gtk_widget_hide(viewer->rotate_right);
1288 gtk_widget_hide(viewer->rotate_left);
1289 gtk_widget_hide(viewer->print);
1290 gtk_widget_hide(viewer->doc_info);
1291 gtk_widget_hide(viewer->doc_index);
1292 }
1293 }
1294 /** Render the current page, page_num on the viewer */
1295 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num)
1296 {
1297
1298 PdfViewer *viewer = (PdfViewer *) _viewer;
1299 GError *error = NULL;
1300 gchar *tmpfile = NULL;
1301 gchar *tmp;
1302 gchar *password = NULL;
1303
1304 debug_print("pdf_viewer_update\n");
1305
1306 if (reload_file) {
1307 if (viewer->pdf_doc) {
1308 g_object_unref(G_OBJECT(viewer->pdf_doc));
1309 viewer->pdf_doc = NULL;
1310 }
1311
1312 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1313 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PS,
1314 &viewer->icon_pixbuf);
1315 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1316 viewer->icon_pixbuf);
1317 }
1318 else if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF) {
1319 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PDF,
1320 &viewer->icon_pixbuf);
1321 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1322 viewer->icon_pixbuf);
1323 }
1324 else {
1325 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1326 &viewer->icon_pixbuf);
1327 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1328 viewer->icon_pixbuf);
1329 }
1330
1331 gtk_label_set_text(GTK_LABEL(viewer->doc_label), _("Loading..."));
1332 pdf_viewer_show_controls(viewer, FALSE);
1333 main_window_cursor_wait(mainwindow_get_mainwindow());
1334
1335 GTK_EVENTS_FLUSH();
1336
1337 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1338 gchar *cmdline = NULL, *tmp = NULL, *gspath = NULL;
1339 gint result = 0;
1340
1341 if ((gspath = g_find_program_in_path("gs")) != NULL) {
1342 g_free(gspath);
1343 /* convert postscript to pdf */
1344 tmpfile = get_tmp_file();
1345 cmdline = g_strdup_printf(
1346 "gs -dSAFER -dCompatibilityLevel=1.2 -q -dNOPAUSE -dBATCH "
1347 "-sDEVICE=pdfwrite -sOutputFile=%s -f \"%s\"",
1348 tmpfile, viewer->filename);
1349 result = execute_command_line(cmdline, FALSE, NULL);
1350 if (result == 0) {
1351 tmp = g_filename_to_uri(tmpfile, NULL, NULL);
1352 viewer->pdf_doc = poppler_document_new_from_file( tmp, NULL, &error);
1353 g_free(tmp);
1354 }
1355 else {
1356 g_warning("gs conversion failed: %s returned %d", cmdline, result);
1357 tmp = g_strdup_printf("gs: err %d", result);
1358 alertpanel_warning("%s", tmp);
1359 g_free(tmp);
1360 }
1361
1362 g_free(cmdline);
1363 claws_unlink(tmpfile);
1364 g_free(tmpfile);
1365 }
1366 else {
1367 g_warning("gs conversion disabled: gs binary was not found");
1368 alertpanel_warning("PostScript view disabled: required gs program not found");
1369 result = 1;
1370
1371 }
1372 if (result != 0) {
1373 main_window_cursor_normal(mainwindow_get_mainwindow());
1374 return;
1375 }
1376 }
1377 else {
1378 viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
1379 }
1380 if (error && g_error_matches(error, POPPLER_ERROR, POPPLER_ERROR_ENCRYPTED)) {
1381 g_clear_error(&error);
1382 password = input_dialog_with_invisible(_("Enter password"),
1383 _("This document is locked and requires a password before it can be opened."),
1384 "");
1385 viewer->pdf_doc = poppler_document_new_from_file(viewer->fsname, password, &error);
1386 g_free(password);
1387 }
1388
1389 viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);
1390
1391 g_signal_handlers_block_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1392 gtk_spin_button_set_range(GTK_SPIN_BUTTON(viewer->cur_page),
1393 1,
1394 (gdouble)viewer->num_pages );
1395
1396 g_signal_handlers_unblock_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1397 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
1398 tmp = g_strdup_printf(_("%s Document"),pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF ? "PDF":"Postscript");
1399 CLAWS_SET_TIP(
1400 GTK_WIDGET(viewer->icon_type_ebox),
1401 tmp);
1402 g_free(tmp);
1403
1404 tmp = g_strdup_printf(_("of %d"), viewer->num_pages);
1405 gtk_label_set_text(GTK_LABEL(viewer->doc_label), tmp);
1406 g_free(tmp);
1407
1408 pdf_viewer_show_controls(viewer, TRUE);
1409 main_window_cursor_normal(mainwindow_get_mainwindow());
1410 }
1411 if (viewer->pdf_doc == NULL) {
1412 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1413 &viewer->icon_pixbuf);
1414
1415 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type), viewer->icon_pixbuf);
1416 if (error) {
1417 strretchomp(error->message);
1418 alertpanel_error("%s", error->message);
1419 } else {
1420 alertpanel_error(_("PDF rendering failed for an unknown reason."));
1421 }
1422 pdf_viewer_show_controls(viewer, FALSE);
1423 g_error_free(error);
1424 return;
1425 }
1426
1427 if (page_num == 1) {
1428 gtk_widget_set_sensitive(viewer->first_page, FALSE);
1429 gtk_widget_set_sensitive(viewer->prev_page, FALSE);
1430 }
1431 else {
1432 gtk_widget_set_sensitive(viewer->first_page, TRUE);
1433 gtk_widget_set_sensitive(viewer->prev_page, TRUE);
1434 }
1435
1436 if (page_num == viewer->num_pages) {
1437 gtk_widget_set_sensitive(viewer->last_page, FALSE);
1438 gtk_widget_set_sensitive(viewer->next_page, FALSE);
1439 }
1440 else {
1441 gtk_widget_set_sensitive(viewer->last_page, TRUE);
1442 gtk_widget_set_sensitive(viewer->next_page, TRUE);
1443 }
1444
1445 /* check for the index if exists */
1446 pdf_viewer_set_index_button_sensitive((PdfViewer *) viewer);
1447
1448 if (page_num > 0 && page_num <= viewer->num_pages) {
1449
1450 GTK_EVENTS_FLUSH();
1451
1452 if (viewer->pdf_page) {
1453 g_object_unref(G_OBJECT(viewer->pdf_page));
1454 }
1455
1456 viewer->pdf_page = poppler_document_get_page(viewer->pdf_doc, page_num - 1);
1457
1458 if (viewer->pdf_page == NULL) {
1459 g_warning("page not found");
1460 return;
1461 }
1462
1463 if (viewer->rotate == 90 || viewer->rotate == 270) {
1464 poppler_page_get_size(viewer->pdf_page, &viewer->height, &viewer->width);
1465 }
1466 else {
1467 poppler_page_get_size(viewer->pdf_page, &viewer->width, &viewer->height);
1468 }
1469
1470 if (viewer->last_rect && viewer->last_page_result &&
1471 viewer->last_page_result->page_num == page_num) {
1472 pdf_viewer_render_selection(viewer, viewer->last_rect, viewer->last_page_result);
1473 }
1474 else {
1475 pdf_viewer_render_page(viewer->pdf_page, viewer->pdf_view, viewer->width,
1476 viewer->height, viewer->zoom, viewer->rotate);
1477
1478 }
1479
1480 /* Get Links Mapping */
1481 if (viewer->link_map) {
1482 poppler_page_free_link_mapping(viewer->link_map);
1483 }
1484 viewer->link_map = poppler_page_get_link_mapping(viewer->pdf_page);
1485
1486 }
1487 }
1488
1489
1490 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
1491 MimeInfo *partinfo)
1492 {
1493 PdfViewer *viewer = (PdfViewer *) _viewer;
1494 gchar buf[4096];
1495 const gchar *charset = NULL;
1496 MessageView *messageview = ((MimeViewer *)viewer)->mimeview
1497 ?((MimeViewer *)viewer)->mimeview->messageview
1498 : NULL;
1499
1500 viewer->rotate = 0;
1501 viewer->to_load = partinfo;
1502
1503 if (messageview)
1504 messageview->updating = TRUE;
1505
1506 memset(buf, 0, sizeof(buf));
1507 debug_print("pdf_viewer_show_mimepart\n");
1508
1509 if (viewer->filename != NULL) {
1510 claws_unlink(viewer->filename);
1511 g_free(viewer->filename);
1512 viewer->filename = NULL;
1513 }
1514
1515 viewer->mimeinfo = NULL;
1516
1517 if (partinfo) {
1518 viewer->target_filename = procmime_get_part_file_name(partinfo);
1519 viewer->filename = procmime_get_tmp_file_name(partinfo);
1520 viewer->fsname = g_filename_to_uri(viewer->filename, NULL, NULL);
1521 }
1522
1523 if (partinfo && !(procmime_get_part(viewer->filename, partinfo) < 0)) {
1524
1525 if (messageview && messageview->forced_charset)
1526 charset = _viewer->mimeview->messageview->forced_charset;
1527 else
1528 charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
1529
1530 if (charset == NULL) {
1531 charset = conv_get_locale_charset_str();
1532 }
1533
1534 debug_print("using charset %s\n", charset);
1535
1536 viewer->mimeinfo = partinfo;
1537 }
1538
1539 pdf_viewer_update((MimeViewer *)viewer, TRUE, 1);
1540
1541 if (messageview)
1542 messageview->updating = FALSE;
1543 }
1544
1545 static void pdf_viewer_clear(MimeViewer *_viewer)
1546 {
1547 PdfViewer *viewer = (PdfViewer *) _viewer;
1548 GtkAdjustment *vadj;
1549
1550 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(viewer->doc_index), FALSE);
1551 gtk_widget_hide(viewer->frame_index);
1552
1553 debug_print("pdf_viewer_clear\n");
1554 viewer->to_load = NULL;
1555
1556 if (viewer->pdf_doc) {
1557 g_object_unref(G_OBJECT(viewer->pdf_doc));
1558 viewer->pdf_doc = NULL;
1559 }
1560
1561 vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1562 gtk_adjustment_set_value(vadj, 0.0);
1563 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1564 vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin_index));
1565 gtk_adjustment_set_value(vadj, 0.0);
1566 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1567 gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1568 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), NULL);
1569 }
1570
1571 static void pdf_viewer_destroy(MimeViewer *_viewer)
1572 {
1573 PdfViewer *viewer = (PdfViewer *) _viewer;
1574
1575 debug_print("pdf_viewer_destroy\n");
1576
1577 if (viewer->pdf_index) poppler_index_iter_free(viewer->pdf_index);
1578
1579 poppler_page_free_link_mapping (viewer->link_map);
1580 g_object_unref(GTK_WIDGET(viewer->vbox));
1581 g_object_unref(GTK_WIDGET(viewer->pdf_view));
1582 g_object_unref(GTK_WIDGET(viewer->doc_index_pane));
1583 g_object_unref(GTK_WIDGET(viewer->scrollwin));
1584 g_object_unref(GTK_WIDGET(viewer->scrollwin_index));
1585 claws_unlink(viewer->filename);
1586 g_free(viewer->filename);
1587 g_free(viewer);
1588 }
1589
1590 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1591 {
1592 PdfViewer *viewer = (PdfViewer *)_viewer;
1593 GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1594 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1595
1596 gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1597
1598 if (viewer->pdf_view == NULL) return FALSE;
1599
1600 if (!gtkutils_scroll_page(GTK_WIDGET(viewer->pdf_view), vadj, up)) {
1601 if (!up && cur_p != viewer->num_pages) {
1602 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1603 vadj = gtk_scrolled_window_get_vadjustment(
1604 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1605 gtk_adjustment_set_value(vadj, 0.0);
1606 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1607 return TRUE;
1608 }
1609 else if (up && cur_p != 1) {
1610 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1611 vadj = gtk_scrolled_window_get_vadjustment(
1612 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1613 gtk_adjustment_set_value(vadj,
1614 gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj));
1615 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1616 return TRUE;
1617 }
1618 return FALSE;
1619 }
1620 else return TRUE;
1621 }
1622
1623 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1624 {
1625 PdfViewer *viewer = (PdfViewer *)_viewer;
1626 GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1627 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1628 gint cur_p;
1629 cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1630
1631 if (viewer->pdf_view == NULL) return;
1632 debug_print("up: %d\n", up);
1633 if (gtk_adjustment_get_value(vadj) < (gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj))) {
1634 gtkutils_scroll_one_line(GTK_WIDGET(viewer->pdf_view), vadj, up);
1635 }
1636 else {
1637 if (cur_p != viewer->num_pages) {
1638 pdf_viewer_scroll_page((MimeViewer *)viewer, up);
1639 }
1640 }
1641
1642 }
1643
1644 #define ADD_BUTTON_TO_GRID(widget, stock_image) \
1645 widget = gtk_button_new(); \
1646 img = stock_pixmap_widget(stock_image); \
1647 gtk_button_set_image(GTK_BUTTON(widget), img); \
1648 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(widget), \
1649 col, 0, 1, 1); \
1650 col++;
1651 #define ADD_TOGGLE_BUTTON_TO_GRID(widget, stock_image) \
1652 widget = gtk_toggle_button_new(); \
1653 img = stock_pixmap_widget(stock_image); \
1654 gtk_button_set_image(GTK_BUTTON(widget), img); \
1655 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(widget), \
1656 col, 0, 1, 1); \
1657 col++;
1658
1659 #define ADD_SEP_TO_GRID \
1660 sep = gtk_label_new(""); \
1661 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(sep), \
1662 col, 0, 1, 1); \
1663 gtk_grid_set_column_spacing(GTK_GRID(viewer->widgets_table), 3); \
1664 col++;
1665
1666 #if POPPLER_HAS_CAIRO
1667 static PangoContext *pdf_viewer_get_pango_context(gpointer data)
1668 {
1669 return NULL;
1670 }
1671
1672 static gpointer pdf_viewer_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
1673 {
1674 return NULL; /* we don't need it */
1675 }
1676
1677 static void pdf_viewer_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
1678 gpointer user_data)
1679 {
1680 PrintData *print_data;
1681 PopplerDocument *pdf_doc;
1682 gint n_pages = 0;
1683 print_data = (PrintData*) user_data;
1684 pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1685
1686 debug_print("Preparing print job...\n");
1687
1688 n_pages = poppler_document_get_n_pages(pdf_doc);
1689 printing_set_n_pages(print_data, n_pages);
1690 gtk_print_operation_set_n_pages(op, n_pages);
1691
1692 debug_print("Starting print job...\n");
1693 }
1694
1695 static void pdf_viewer_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1696 int page_nr, gpointer user_data)
1697 {
1698 cairo_t *cr;
1699 PrintData *print_data;
1700 PopplerDocument *pdf_doc;
1701 PopplerPage *pdf_page;
1702
1703 print_data = (PrintData*) user_data;
1704 pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1705 pdf_page = poppler_document_get_page(pdf_doc, page_nr);
1706
1707 cr = gtk_print_context_get_cairo_context(context);
1708 cairo_scale(cr, printing_get_zoom(print_data), printing_get_zoom(print_data));
1709 cairo_set_source_rgb(cr, 0., 0., 0.);
1710
1711 poppler_page_render_for_printing(pdf_page, cr);
1712
1713 g_object_unref(G_OBJECT(pdf_page));
1714
1715 debug_print("Sent page %d to printer\n", page_nr+1);
1716 }
1717
1718 static void pdf_viewer_print(MimeViewer *mviewer)
1719 {
1720 PdfViewer *viewer = (PdfViewer *)mviewer;
1721 PrintRenderer *pdf_renderer = g_new0(PrintRenderer, 1);
1722 MainWindow *mainwin = mainwindow_get_mainwindow();
1723
1724 pdf_renderer->get_pango_context = pdf_viewer_get_pango_context;
1725 pdf_renderer->get_data_to_print = pdf_viewer_get_data_to_print;
1726 pdf_renderer->cb_begin_print = pdf_viewer_cb_begin_print;
1727 pdf_renderer->cb_draw_page = pdf_viewer_cb_draw_page;
1728
1729 printing_print_full(mainwin ? GTK_WINDOW(mainwin->window):NULL,
1730 pdf_renderer, viewer->pdf_doc, -1, -1, NULL);
1731
1732 g_free(pdf_renderer);
1733 }
1734 #endif
1735
1736 static MimeViewer *pdf_viewer_create(void)
1737 {
1738 PdfViewer *viewer;
1739 GtkTreeViewColumn *column;
1740 GtkCellRenderer *renderer;
1741 GtkTreeStore *tree_store;
1742 GtkWidget *sep;
1743 GtkWidget *img;
1744 gint col = 0;
1745
1746 viewer = g_new0(PdfViewer, 1);
1747 debug_print("pdf_viewer_create\n");
1748
1749 viewer->last_x = 0;
1750 viewer->last_y = 0;
1751 viewer->mimeviewer.factory = &pdf_viewer_factory;
1752 viewer->mimeviewer.get_widget = pdf_viewer_get_widget;
1753 viewer->mimeviewer.show_mimepart = pdf_viewer_show_mimepart;
1754 viewer->mimeviewer.clear_viewer = pdf_viewer_clear;
1755 viewer->mimeviewer.destroy_viewer = pdf_viewer_destroy;
1756 viewer->mimeviewer.text_search = pdf_viewer_text_search;
1757 viewer->mimeviewer.scroll_page = pdf_viewer_scroll_page;
1758 viewer->mimeviewer.scroll_one_line = pdf_viewer_scroll_one_line;
1759 #if POPPLER_HAS_CAIRO
1760 viewer->mimeviewer.print = pdf_viewer_print;
1761 #endif
1762 viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1763 gtk_widget_set_name(GTK_WIDGET(viewer->scrollwin), "document");
1764 viewer->scrollwin_index = gtk_scrolled_window_new(NULL, NULL);
1765 viewer->pdf_view_ebox = gtk_event_box_new();
1766 gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->pdf_view_ebox), FALSE);
1767
1768 viewer->mimeinfo = NULL;
1769
1770 viewer->pdf_view = gtk_image_new();
1771 gtk_widget_set_events(viewer->pdf_view_ebox,
1772 GDK_BUTTON_RELEASE_MASK
1773 | GDK_POINTER_MOTION_MASK
1774 | GDK_BUTTON_PRESS_MASK
1775 | GDK_BUTTON_MOTION_MASK
1776 );
1777 gtk_container_add (GTK_CONTAINER(viewer->pdf_view_ebox), viewer->pdf_view);
1778 viewer->icon_type = gtk_image_new();
1779 viewer->icon_type_ebox = gtk_event_box_new();
1780
1781 gtk_container_add(GTK_CONTAINER(viewer->icon_type_ebox), viewer->icon_type);
1782
1783 viewer->doc_label = gtk_label_new("");
1784
1785 viewer->widgets_table = gtk_grid_new();
1786
1787 viewer->doc_index_pane = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
1788 gtk_widget_set_name(GTK_WIDGET(viewer->doc_index_pane), "document_pane");
1789
1790 viewer->frame_index = gtk_frame_new(NULL);
1791 gtk_widget_set_name(GTK_WIDGET(viewer->frame_index), "document_index");
1792 gtk_frame_set_shadow_type(GTK_FRAME(viewer->frame_index), GTK_SHADOW_IN);
1793 gtk_widget_set_size_request(viewer->frame_index, 18, -1);
1794 gtk_frame_set_label(GTK_FRAME(viewer->frame_index), _("Document Index"));
1795
1796 ADD_SEP_TO_GRID
1797 ADD_BUTTON_TO_GRID(viewer->first_page, STOCK_PIXMAP_FIRST_ARROW)
1798 ADD_BUTTON_TO_GRID(viewer->prev_page, STOCK_PIXMAP_LEFT_ARROW)
1799 viewer->cur_page = gtk_spin_button_new_with_range(0.0, 0.0, 1.0);
1800 viewer->zoom_scroll = gtk_spin_button_new_with_range(0.20, 8.0, 0.20);
1801 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), 1.0);
1802 viewer->zoom = 1.0;
1803 gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->cur_page), TRUE);
1804 gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->zoom_scroll), TRUE);
1805 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(viewer->cur_page),
1806 col, 0, 1, 1);
1807
1808 col++;
1809 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(viewer->doc_label),
1810 col, 0, 1, 1);
1811 col++;
1812
1813 ADD_BUTTON_TO_GRID(viewer->next_page, STOCK_PIXMAP_RIGHT_ARROW)
1814 ADD_BUTTON_TO_GRID(viewer->last_page, STOCK_PIXMAP_LAST_ARROW)
1815 ADD_SEP_TO_GRID
1816 ADD_BUTTON_TO_GRID(viewer->zoom_fit, STOCK_PIXMAP_ZOOM_FIT)
1817 ADD_BUTTON_TO_GRID(viewer->zoom_in, STOCK_PIXMAP_ZOOM_IN)
1818 gtk_grid_attach(GTK_GRID(viewer->widgets_table), GTK_WIDGET(viewer->zoom_scroll),
1819 col, 0, 1, 1);
1820 col++;
1821 ADD_BUTTON_TO_GRID(viewer->zoom_out, STOCK_PIXMAP_ZOOM_OUT)
1822 ADD_BUTTON_TO_GRID(viewer->zoom_width, STOCK_PIXMAP_ZOOM_WIDTH)
1823 ADD_SEP_TO_GRID
1824 ADD_BUTTON_TO_GRID(viewer->rotate_left, STOCK_PIXMAP_ROTATE_LEFT)
1825 ADD_BUTTON_TO_GRID(viewer->rotate_right, STOCK_PIXMAP_ROTATE_RIGHT)
1826 ADD_SEP_TO_GRID
1827 ADD_BUTTON_TO_GRID(viewer->print, STOCK_PIXMAP_PRINTER)
1828 ADD_BUTTON_TO_GRID(viewer->doc_info, STOCK_PIXMAP_DOC_INFO)
1829 ADD_TOGGLE_BUTTON_TO_GRID(viewer->doc_index, STOCK_PIXMAP_DOC_INDEX)
1830
1831 gtk_scrolled_window_set_policy(
1832 GTK_SCROLLED_WINDOW(viewer->scrollwin),
1833 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1834
1835 gtk_scrolled_window_set_shadow_type(
1836 GTK_SCROLLED_WINDOW(viewer->scrollwin),
1837 GTK_SHADOW_IN);
1838
1839 gtk_container_add(
1840 GTK_CONTAINER(viewer->scrollwin),
1841 viewer->pdf_view_ebox);
1842
1843 viewer->vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 4);
1844 viewer->hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 4);
1845
1846 gtk_widget_set_name(GTK_WIDGET(viewer->vbox), "pdf_viewer");
1847 gtk_widget_set_name(GTK_WIDGET(viewer->hbox), "buttons");
1848
1849 /* treeview */
1850 tree_store = gtk_tree_store_new(N_INDEX_COLUMNS,
1851 G_TYPE_STRING,
1852 G_TYPE_INT,
1853 G_TYPE_DOUBLE);
1854
1855 viewer->index_list = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
1856 g_object_unref(tree_store);
1857
1858 renderer = gtk_cell_renderer_text_new();
1859 column = gtk_tree_view_column_new_with_attributes(_("Name"), renderer, "text", 0, NULL);
1860 gtk_tree_view_append_column(GTK_TREE_VIEW(viewer->index_list), column);
1861 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(viewer->index_list), FALSE);
1862
1863 viewer->index_model = GTK_TREE_MODEL(tree_store);
1864
1865 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(viewer->index_list)),
1866 GTK_SELECTION_SINGLE);
1867
1868 g_signal_connect(G_OBJECT(viewer->index_list), "row_activated",
1869 G_CALLBACK(pdf_viewer_index_row_activated),
1870 viewer);
1871
1872 gtk_scrolled_window_set_policy(
1873 GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1874 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1875
1876 gtk_scrolled_window_set_shadow_type(
1877 GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1878 GTK_SHADOW_IN);
1879
1880 gtk_container_add(
1881 GTK_CONTAINER(viewer->scrollwin_index),
1882 viewer->index_list);
1883
1884 /* end treeview */
1885
1886 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_TEXT_PLAIN,
1887 &viewer->icon_pixbuf);
1888
1889 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1890 viewer->icon_pixbuf);
1891
1892 /* pack widgets*/
1893 gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->icon_type_ebox, FALSE, FALSE, 0);
1894 gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->widgets_table, FALSE, FALSE, 0);
1895
1896 gtk_container_add(GTK_CONTAINER(viewer->frame_index), viewer->scrollwin_index);
1897
1898 gtk_paned_pack1(GTK_PANED(viewer->doc_index_pane), viewer->frame_index, FALSE, FALSE);
1899 gtk_paned_pack2(GTK_PANED(viewer->doc_index_pane), viewer->scrollwin, FALSE, FALSE);
1900
1901 gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->hbox, FALSE, FALSE, 0);
1902 gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->doc_index_pane, TRUE, TRUE, 0);
1903 /* show widgets */
1904 gtk_widget_show(GTK_WIDGET(viewer->doc_index_pane));
1905 g_object_ref(GTK_WIDGET(viewer->doc_index_pane));
1906 gtk_widget_show(GTK_WIDGET(viewer->scrollwin));
1907 g_object_ref(GTK_WIDGET(viewer->scrollwin));
1908 gtk_widget_show(GTK_WIDGET(viewer->icon_type_ebox));
1909 g_object_ref(GTK_WIDGET(viewer->icon_type_ebox));
1910 gtk_widget_show(GTK_WIDGET(viewer->pdf_view_ebox));
1911 g_object_ref(GTK_WIDGET(viewer->pdf_view_ebox));
1912 gtk_widget_show(GTK_WIDGET(viewer->scrollwin_index));
1913 g_object_ref(GTK_WIDGET(viewer->scrollwin_index));
1914 gtk_widget_show(GTK_WIDGET(viewer->hbox));
1915 g_object_ref(GTK_WIDGET(viewer->hbox));
1916 gtk_widget_show(GTK_WIDGET(viewer->vbox));
1917 g_object_ref(GTK_WIDGET(viewer->vbox));
1918
1919 gtk_widget_show(GTK_WIDGET(viewer->widgets_table));
1920 g_object_ref(GTK_WIDGET(viewer->widgets_table));
1921
1922 gtk_widget_show(GTK_WIDGET(viewer->cur_page));
1923 g_object_ref(GTK_WIDGET(viewer->cur_page));
1924
1925 gtk_widget_show(GTK_WIDGET(viewer->first_page));
1926 g_object_ref(GTK_WIDGET(viewer->first_page));
1927
1928 gtk_widget_show(GTK_WIDGET(viewer->last_page));
1929 g_object_ref(GTK_WIDGET(viewer->last_page));
1930
1931 gtk_widget_show(GTK_WIDGET(viewer->prev_page));
1932 g_object_ref(GTK_WIDGET(viewer->prev_page));
1933
1934 gtk_widget_show(GTK_WIDGET(viewer->next_page));
1935 g_object_ref(GTK_WIDGET(viewer->next_page));
1936
1937 gtk_widget_show(GTK_WIDGET(viewer->zoom_in));
1938 g_object_ref(GTK_WIDGET(viewer->zoom_in));
1939 gtk_widget_show(GTK_WIDGET(viewer->zoom_out));
1940 g_object_ref(GTK_WIDGET(viewer->zoom_out));
1941 gtk_widget_show(GTK_WIDGET(viewer->zoom_fit));
1942 g_object_ref(GTK_WIDGET(viewer->zoom_fit));
1943 gtk_widget_show(GTK_WIDGET(viewer->zoom_width));
1944 g_object_ref(GTK_WIDGET(viewer->zoom_width));
1945
1946 gtk_widget_show(GTK_WIDGET(viewer->rotate_right));
1947 g_object_ref(GTK_WIDGET(viewer->rotate_right));
1948 gtk_widget_show(GTK_WIDGET(viewer->rotate_left));
1949 g_object_ref(GTK_WIDGET(viewer->rotate_left));
1950 gtk_widget_show(GTK_WIDGET(viewer->print));
1951 g_object_ref(GTK_WIDGET(viewer->print));
1952 gtk_widget_show(GTK_WIDGET(viewer->doc_info));
1953 g_object_ref(GTK_WIDGET(viewer->doc_info));
1954 gtk_widget_show(GTK_WIDGET(viewer->doc_index));
1955 g_object_ref(GTK_WIDGET(viewer->doc_index));
1956
1957 gtk_widget_show(GTK_WIDGET(viewer->doc_label));
1958 g_object_ref(GTK_WIDGET(viewer->doc_label));
1959 gtk_widget_show(GTK_WIDGET(viewer->icon_type));
1960 g_object_ref(GTK_WIDGET(viewer->icon_type));
1961 gtk_widget_show(GTK_WIDGET(viewer->pdf_view));
1962 g_object_ref(GTK_WIDGET(viewer->pdf_view));
1963 gtk_widget_show(GTK_WIDGET(viewer->zoom_scroll));
1964 g_object_ref(GTK_WIDGET(viewer->zoom_scroll));
1965
1966 gtk_widget_show(GTK_WIDGET(viewer->index_list));
1967 g_object_ref(GTK_WIDGET(viewer->index_list));
1968
1969 /* Set Tooltips*/
1970 CLAWS_SET_TIP(viewer->first_page,
1971 _("First Page"));
1972
1973 CLAWS_SET_TIP(viewer->prev_page,
1974 _("Previous Page"));
1975
1976 CLAWS_SET_TIP(viewer->next_page,
1977 _("Next Page"));
1978
1979 CLAWS_SET_TIP(viewer->last_page,
1980 _("Last Page"));
1981
1982 CLAWS_SET_TIP(viewer->zoom_in,
1983 _("Zoom In"));
1984 CLAWS_SET_TIP(viewer->zoom_out,
1985 _("Zoom Out"));
1986
1987 CLAWS_SET_TIP(viewer->zoom_fit,
1988 _("Fit Page"));
1989
1990 CLAWS_SET_TIP(viewer->zoom_width,
1991 _("Fit Page Width"));
1992
1993 CLAWS_SET_TIP(viewer->rotate_left,
1994 _("Rotate Left"));
1995
1996 CLAWS_SET_TIP(viewer->rotate_right,
1997 _("Rotate Right"));
1998
1999 CLAWS_SET_TIP(viewer->print,
2000 _("Print Document"));
2001
2002 CLAWS_SET_TIP(viewer->doc_info,
2003 _("Document Info"));
2004
2005 CLAWS_SET_TIP(viewer->doc_index,
2006 _("Document Index"));
2007 CLAWS_SET_TIP(viewer->cur_page,
2008 _("Page Number"));
2009 CLAWS_SET_TIP(viewer->zoom_scroll,
2010 _("Zoom Factor"));
2011 /* Connect Signals */
2012 g_signal_connect(G_OBJECT(viewer->cur_page),
2013 "value-changed",
2014 G_CALLBACK(pdf_viewer_spin_change_page_cb),
2015 (gpointer) viewer);
2016
2017 g_signal_connect(G_OBJECT(viewer->first_page),
2018 "clicked",
2019 G_CALLBACK(pdf_viewer_button_first_page_cb),
2020 (gpointer) viewer);
2021 g_signal_connect(G_OBJECT(viewer->prev_page),
2022 "clicked",
2023 G_CALLBACK(pdf_viewer_button_prev_page_cb),
2024 (gpointer) viewer);
2025 g_signal_connect(G_OBJECT(viewer->next_page),
2026 "clicked",
2027 G_CALLBACK(pdf_viewer_button_next_page_cb),
2028 (gpointer) viewer);
2029 g_signal_connect(G_OBJECT(viewer->last_page),
2030 "clicked",
2031 G_CALLBACK(pdf_viewer_button_last_page_cb),
2032 (gpointer) viewer);
2033 g_signal_connect(G_OBJECT(viewer->zoom_in),
2034 "clicked",
2035 G_CALLBACK(pdf_viewer_button_zoom_in_cb),
2036 (gpointer) viewer);
2037 g_signal_connect(G_OBJECT(viewer->zoom_out),
2038 "clicked",
2039 G_CALLBACK(pdf_viewer_button_zoom_out_cb),
2040 (gpointer) viewer);
2041 g_signal_connect(G_OBJECT(viewer->zoom_scroll),
2042 "value-changed",
2043 G_CALLBACK(pdf_viewer_spin_zoom_scroll_cb),
2044 (gpointer) viewer);
2045
2046 g_signal_connect(G_OBJECT(viewer->zoom_fit),
2047 "clicked",
2048 G_CALLBACK(pdf_viewer_button_zoom_fit_cb),
2049 (gpointer) viewer);
2050
2051 g_signal_connect(G_OBJECT(viewer->zoom_width),
2052 "clicked",
2053 G_CALLBACK(pdf_viewer_button_zoom_width_cb),
2054 (gpointer) viewer);
2055
2056 g_signal_connect(G_OBJECT(viewer->rotate_right),
2057 "clicked",
2058 G_CALLBACK(pdf_viewer_button_rotate_right_cb),
2059 (gpointer) viewer);
2060
2061 g_signal_connect(G_OBJECT(viewer->rotate_left),
2062 "clicked",
2063 G_CALLBACK(pdf_viewer_button_rotate_left_cb),
2064 (gpointer) viewer);
2065
2066 g_signal_connect(G_OBJECT(viewer->print),
2067 "clicked",
2068 G_CALLBACK(pdf_viewer_button_print_cb),
2069 (gpointer) viewer);
2070
2071 g_signal_connect(G_OBJECT(viewer->doc_info),
2072 "clicked",
2073 G_CALLBACK(pdf_viewer_button_document_info_cb),
2074 (gpointer) viewer);
2075
2076 g_signal_connect(G_OBJECT(viewer->doc_index),
2077 "clicked",
2078 G_CALLBACK(pdf_viewer_show_document_index_cb),
2079 (gpointer) viewer);
2080 g_signal_connect(G_OBJECT(viewer->scrollwin),
2081 "scroll-event",
2082 G_CALLBACK(pdf_viewer_scroll_cb),
2083 (gpointer) viewer);
2084 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2085 "button_press_event",
2086 G_CALLBACK(pdf_viewer_button_press_events_cb),
2087 (gpointer) viewer);
2088 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2089 "button_release_event",
2090 G_CALLBACK(pdf_viewer_mouse_scroll_destroy_cb),
2091 (gpointer) viewer);
2092 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2093 "motion_notify_event",
2094 G_CALLBACK(pdf_viewer_move_events_cb),
2095 (gpointer) viewer);
2096
2097 viewer->target_filename = NULL;
2098 viewer->filename = NULL;
2099 viewer->fsname = NULL;
2100
2101 return(MimeViewer *) viewer;
2102 }
2103
2104 #undef ADD_BUTTON_TO_GRID
2105 #undef ADD_TOGGLE_BUTTON_TO_GRID
2106 #undef ADD_SEP_TO_GRID
2107 #undef SEP_H_PADDING
2108
2109 static MimeViewerFactory pdf_viewer_factory =
2110 {
2111 content_types,
2112 0,
2113 pdf_viewer_create,
2114 };
2115
2116 gint plugin_init(gchar **error)
2117 {
2118 gchar *gspath = NULL;
2119
2120 msg = g_strdup_printf(_("This plugin enables the viewing of PDF and PostScript "
2121 "attachments using the Poppler %s Lib and the gs tool.\n\n"
2122 "Any feedback is welcome: iwkse@claws-mail.org"
2123 ), poppler_get_version());
2124
2125 if (!check_plugin_version(MAKE_NUMERIC_VERSION(3,8,1,46),
2126 VERSION_NUMERIC, _("PDF Viewer"), error)) return -1;
2127
2128 if ((gspath = g_find_program_in_path("gs")) == NULL) {
2129 gchar *pmsg = msg;
2130 msg = g_strdup_printf(_("Warning: could not find ghostscript binary (gs) required "
2131 "for %s plugin to process PostScript attachments, only PDF "
2132 "attachments will be displayed. To enable PostScript "
2133 "support please install gs program.\n\n%s"
2134 ), _("PDF Viewer"), pmsg);
2135 g_free(pmsg);
2136 }
2137 else {
2138 g_free(gspath);
2139 }
2140
2141 mimeview_register_viewer_factory(&pdf_viewer_factory);
2142 return 0;
2143 }
2144
2145 gboolean plugin_done(void)
2146 {
2147 g_free(msg);
2148 mimeview_unregister_viewer_factory(&pdf_viewer_factory);
2149 return TRUE;
2150 }
2151
2152 const gchar *plugin_name(void)
2153 {
2154 return _("PDF Viewer");
2155 }
2156
2157 const gchar *plugin_desc(void)
2158 {
2159 return msg;
2160 }
2161
2162 const gchar *plugin_type(void)
2163 {
2164 return "GTK3";
2165 }
2166
2167 const gchar *plugin_licence(void)
2168 {
2169 return "GPL3+";
2170 }
2171
2172 const gchar *plugin_version(void)
2173 {
2174 return VERSION;
2175 }
2176
2177 struct PluginFeature *plugin_provides(void)
2178 {
2179 static struct PluginFeature features[] =
2180 { {PLUGIN_MIMEVIEWER, "application/pdf"},
2181 {PLUGIN_MIMEVIEWER, "application/postscript"},
2182 {PLUGIN_NOTHING, NULL} };
2183 return features;
2184 }
2185