1 /*
2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2016 Salvatore De Paolis & the Claws Mail Team
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #include "claws-features.h"
22 #endif
23
24 #include <glib.h>
25 #include <glib/gi18n.h>
26
27 #include "poppler_viewer.h"
28 #include "printing.h"
29 #include "prefs_common.h"
30 #include "gtk/gtkutils.h"
31 #include "gtk/inputdialog.h"
32 #include "mimeview.h"
33 #include "summaryview.h"
34 #include "file-utils.h"
35 #ifndef POPPLER_WITH_GDK
36 #include "stdbool.h"
37 #endif
38
39 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo);
40 static MimeViewerFactory pdf_viewer_factory;
41
42 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
43 MimeInfo *partinfo);
44
45 static MimeViewer *pdf_viewer_create(void);
46 static void pdf_viewer_clear(MimeViewer *_viewer);
47 static void pdf_viewer_destroy(MimeViewer *_viewer);
48 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num);
49
50 static GtkWidget *pdf_viewer_get_widget(MimeViewer *_viewer);
51
52 static void pdf_viewer_hide_index_pane(PdfViewer *viewer);
53 static void pdf_viewer_set_index_button_sensitive(PdfViewer *viewer);
54 static void pdf_viewer_scroll_to(PdfViewer *viewer, gfloat x, gfloat y);
55
56 static void search_matches_free(PdfViewer *viewer);
57 static gboolean pdf_viewer_text_search(MimeViewer *_viewer, gboolean backward,
58 const gchar *str, gboolean case_sens);
59 static void pdf_viewer_render_selection(PdfViewer *viewer, PopplerRectangle *rect, PageResult *page_results);
60 static void pdf_viewer_render_page(PopplerPage *page, GtkWidget *view, double width, double height, double zoom, gint rotate);
61
62 static char * pdf_viewer_get_document_format_data(GTime utime);
63 static void pdf_viewer_get_document_index(PdfViewer *viewer, PopplerIndexIter *index_iter, GtkTreeIter *parentiter);
64 static void pdf_viewer_index_row_activated(GtkTreeView *tree_view,
65 GtkTreePath *path,
66 GtkTreeViewColumn *column,
67 gpointer data);
68
69 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer);
70
71 /* Callbacks */
72 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer);
73 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
74 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer);
75 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer);
76 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer);
77 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer);
78 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer);
79 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer);
80 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer);
81 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer);
82 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer);
83 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer);
84 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer);
85 /* Show/Hide the index pane */
86 static void pdf_viewer_show_document_index_cb(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
copy_cairo_surface_to_pixbuf(cairo_surface_t * surface,GdkPixbuf * pixbuf)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
_poppler_page_render_to_pixbuf(PopplerPage * page,int src_x,int src_y,int src_width,int src_height,double scale,int rotation,gboolean printing,GdkPixbuf * pixbuf)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
poppler_page_render_to_pixbuf(PopplerPage * page,int src_x,int src_y,int src_width,int src_height,double scale,int rotation,GdkPixbuf * pixbuf)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
pdf_viewer_get_widget(MimeViewer * _viewer)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 */
pdf_viewer_hide_index_pane(PdfViewer * viewer)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
search_matches_free(PdfViewer * viewer)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
pdf_viewer_scroll_to(PdfViewer * viewer,gfloat x,gfloat y)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 }
pdf_viewer_render_page(PopplerPage * page,GtkWidget * view,double width,double height,double zoom,gint rotate)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 }
pdf_viewer_render_selection(PdfViewer * viewer,PopplerRectangle * rect,PageResult * page_results)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
pdf_viewer_text_search(MimeViewer * _viewer,gboolean backward,const gchar * str,gboolean case_sens)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
pdf_viewer_get_document_index(PdfViewer * viewer,PopplerIndexIter * index_iter,GtkTreeIter * parentiter)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
pdf_viewer_index_row_activated(GtkTreeView * tree_view,GtkTreePath * path,GtkTreeViewColumn * column,gpointer data)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 */
pdf_viewer_set_index_button_sensitive(PdfViewer * viewer)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
pdf_viewer_get_document_format_data(GTime utime)635 static char * pdf_viewer_get_document_format_data(GTime utime)
636 {
637 time_t time = (time_t) utime;
638 struct tm t;
639 char s[256];
640 const char *fmt_hack = "%c";
641 size_t len;
642
643 if (time == 0 || !localtime_r(&time, &t)) return NULL;
644
645 len = strftime(s, sizeof(s), fmt_hack, &t);
646
647 if (len == 0 || s[0] == '\0') return NULL;
648
649 return g_locale_to_utf8(s, -1, NULL, NULL, NULL);
650 }
651
652 #define ADD_TO_TABLE(LABEL, VALUE) \
653 label = gtk_label_new(LABEL); \
654 gtk_misc_set_alignment(GTK_MISC(label), 1, 0.5); \
655 gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
656 gtk_table_attach(viewer->table_doc_info, label, 0, 1, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
657 \
658 label = gtk_label_new(VALUE); \
659 gtk_misc_set_alignment(GTK_MISC(label), 0, 0.5); \
660 gtk_misc_set_padding(GTK_MISC(label), 4, 0); \
661 gtk_table_attach(viewer->table_doc_info, label, 1, 2, row, row+1, GTK_EXPAND | GTK_FILL, 0, 0, 0); \
662 row++;
663
664
pdf_viewer_fill_info_table(PdfViewer * viewer)665 static GtkTable * pdf_viewer_fill_info_table(PdfViewer *viewer)
666 {
667 GtkWidget *label;
668 const gchar *title, *format, *author, *subject, *keywords, *creator, *producer;
669 gboolean linearized;
670 gchar *tmp;
671 gint row = 0;
672
673 GTime creation_date, mod_date;
674
675 PopplerPageLayout layout;
676 PopplerPageMode mode;
677 PopplerPermissions permissions;
678 PopplerViewerPreferences view_prefs;
679
680 title = format = author = subject = keywords = creator = producer = tmp = 0;
681
682 g_object_get(viewer->pdf_doc,
683 "title", &title,
684 "format", &format,
685 "author", &author,
686 "subject", &subject,
687 "keywords", &keywords,
688 "creation-date", &creation_date,
689 "permissions", &permissions,
690 "mod-date", &mod_date,
691 "creator", &creator,
692 "producer", &producer,
693 "linearized", &linearized,
694 "page-mode", &mode,
695 "page-layout", &layout,
696 "viewer-preferences", &view_prefs,
697 NULL);
698
699 viewer->table_doc_info = GTK_TABLE(gtk_table_new(13, 2, FALSE));
700
701 ADD_TO_TABLE(_("Filename:"), viewer->target_filename)
702 ADD_TO_TABLE(_("Size:"), to_human_readable(viewer->to_load->length))
703 ADD_TO_TABLE(NULL, NULL)
704 ADD_TO_TABLE(_("Title:"), title)
705 ADD_TO_TABLE(_("Subject:"), subject)
706 ADD_TO_TABLE(_("Author:"), author)
707 ADD_TO_TABLE(_("Keywords:"), keywords)
708 ADD_TO_TABLE(_("Creator:"), creator)
709 ADD_TO_TABLE(_("Producer:"), producer)
710
711 tmp = pdf_viewer_get_document_format_data(creation_date);
712 ADD_TO_TABLE(_("Created:"), tmp)
713 g_free(tmp);
714
715 tmp = pdf_viewer_get_document_format_data(mod_date);
716 ADD_TO_TABLE(_("Modified:"), tmp)
717 g_free(tmp);
718
719 ADD_TO_TABLE(_("Format:"), format)
720 if (linearized) {
721 ADD_TO_TABLE(_("Optimized:"), _("Yes"))
722 }
723 else {
724 ADD_TO_TABLE(_("Optimized:"), _("No"))
725 }
726 //ADD_TO_TABLE(_("Page Mode:"), pdf_viewer_get_document_info_mode(mode))
727 //ADD_TO_TABLE(_("Page Layout:"), pdf_viewer_get_document_info_layout(layout))
728
729 return(GtkTable *) viewer->table_doc_info;
730 }
731 #undef ADD_TO_TABLE
732
pdf_viewer_mimepart_get_type(MimeInfo * partinfo)733 static FileType pdf_viewer_mimepart_get_type(MimeInfo *partinfo)
734 {
735 gchar *content_type = NULL;
736 FileType type = TYPE_UNKNOWN;
737 debug_print("mimepart_get_type\n");
738 if ((partinfo->type == MIMETYPE_APPLICATION) &&
739 (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
740
741 const gchar *filename;
742
743 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
744
745 if (filename == NULL)
746 filename = procmime_mimeinfo_get_parameter(partinfo, "name");
747 if (filename != NULL)
748 content_type = procmime_get_mime_type(filename);
749 }
750 else {
751 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
752 }
753
754 if (content_type == NULL) type = TYPE_UNKNOWN;
755 else if (!strcmp(content_type, "application/pdf")) type = TYPE_PDF;
756 else if (!strcmp(content_type, "application/postscript")) type = TYPE_PS;
757 else type = TYPE_UNKNOWN;
758
759 g_free(content_type);
760 return type;
761 }
762
763 /* Callbacks */
pdf_viewer_button_first_page_cb(GtkButton * button,PdfViewer * viewer)764 static void pdf_viewer_button_first_page_cb(GtkButton *button, PdfViewer *viewer)
765 {
766
767 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
768 }
769
pdf_viewer_button_prev_page_cb(GtkButton * button,PdfViewer * viewer)770 static void pdf_viewer_button_prev_page_cb(GtkButton *button, PdfViewer *viewer)
771 {
772
773 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
774 }
775
pdf_viewer_button_next_page_cb(GtkButton * button,PdfViewer * viewer)776 static void pdf_viewer_button_next_page_cb(GtkButton *button, PdfViewer *viewer)
777 {
778
779 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
780 }
781
pdf_viewer_button_last_page_cb(GtkButton * button,PdfViewer * viewer)782 static void pdf_viewer_button_last_page_cb(GtkButton *button, PdfViewer *viewer)
783 {
784
785 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_END, 1);
786 }
787
pdf_viewer_spin_change_page_cb(GtkSpinButton * button,PdfViewer * viewer)788 static void pdf_viewer_spin_change_page_cb(GtkSpinButton *button, PdfViewer *viewer)
789 {
790 pdf_viewer_update((MimeViewer *)viewer,
791 FALSE,
792 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
793 }
794
pdf_viewer_button_zoom_in_cb(GtkButton * button,PdfViewer * viewer)795 static void pdf_viewer_button_zoom_in_cb(GtkButton *button, PdfViewer *viewer)
796 {
797
798 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_FORWARD, ZOOM_FACTOR);
799 }
800
pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton * button,PdfViewer * viewer)801 static void pdf_viewer_spin_zoom_scroll_cb(GtkSpinButton *button, PdfViewer *viewer)
802 {
803 viewer->zoom = gtk_spin_button_get_value(GTK_SPIN_BUTTON(viewer->zoom_scroll));
804 pdf_viewer_update((MimeViewer *)viewer,
805 FALSE,
806 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
807 }
808
pdf_viewer_button_zoom_out_cb(GtkButton * button,PdfViewer * viewer)809 static void pdf_viewer_button_zoom_out_cb(GtkButton *button, PdfViewer *viewer)
810 {
811
812 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->zoom_scroll), GTK_SPIN_STEP_BACKWARD, ZOOM_FACTOR);
813
814 }
815
pdf_viewer_button_press_events_cb(GtkWidget * widget,GdkEventButton * event,PdfViewer * viewer)816 static void pdf_viewer_button_press_events_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
817 {
818 gchar *uri;
819 GdkWindow *gdkwin;
820 #ifdef HAVE_POPPLER_DEST_NAMED
821 PopplerDest *dest;
822 #endif
823 static GdkCursor *hand_cur = NULL;
824
825 if (!hand_cur) hand_cur = gdk_cursor_new(GDK_FLEUR);
826
827 /* Execute Poppler Links */
828 if (event->button == 1 && viewer->in_link) {
829 switch (viewer->link_action->type) {
830 case POPPLER_ACTION_UNKNOWN:
831 debug_print("action unknown\n");
832 break;
833 case POPPLER_ACTION_GOTO_DEST:
834 if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_XYZ ||
835 viewer->link_action->goto_dest.dest->type == POPPLER_DEST_FITH) {
836 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
837 (gdouble)viewer->link_action->goto_dest.dest->page_num);
838 }
839 #ifdef HAVE_POPPLER_DEST_NAMED
840 else if (viewer->link_action->goto_dest.dest->type == POPPLER_DEST_NAMED) {
841 dest = poppler_document_find_dest(
842 viewer->pdf_doc, viewer->link_action->goto_dest.dest->named_dest);
843 if (dest->type != POPPLER_DEST_XYZ) {
844 g_warning("couldn't figure out link");
845 poppler_dest_free(dest);
846 break;
847 }
848 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
849 (gdouble)dest->page_num);
850 poppler_dest_free(dest);
851 }
852 #endif
853 break;
854 case POPPLER_ACTION_GOTO_REMOTE:
855 #ifdef HAVE_POPPLER_DEST_NAMED
856 dest = poppler_document_find_dest(
857 viewer->pdf_doc, viewer->link_action->goto_remote.dest->named_dest);
858 if (dest->type != POPPLER_DEST_XYZ) {
859 g_warning ("couldn't figure out link");
860 poppler_dest_free(dest);
861 break;
862 }
863 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->cur_page),
864 (gdouble)dest->page_num);
865 poppler_dest_free(dest);
866 #endif
867 break;
868 case POPPLER_ACTION_LAUNCH:
869 debug_print("action launch not yet implemented\n");
870 break;
871 case POPPLER_ACTION_URI:
872 uri = g_strdup(viewer->link_action->uri.uri);
873 if (!g_ascii_strncasecmp(uri, "mailto:", 7))
874 compose_new(NULL, uri + 7, NULL);
875 else
876 open_uri(uri, prefs_common_get_uri_cmd());
877 g_free(uri);
878 break;
879 case POPPLER_ACTION_NAMED:
880 debug_print("action named not yet implemented\n");
881 break;
882 case POPPLER_ACTION_NONE:
883 debug_print("action none does nothing, surprise!\n");
884 break;
885 case POPPLER_ACTION_MOVIE:
886 debug_print("yoyoyo ;-) a movie?\n");
887 break;
888 #if POPPLER_CHECK_VERSION(0,14,0)
889 case POPPLER_ACTION_RENDITION:
890 debug_print("yoyoyo ;-) multimedia?\n");
891 break;
892 case POPPLER_ACTION_OCG_STATE:
893 debug_print("yoyoyo ;-) layer state?\n");
894 break;
895 #if POPPLER_CHECK_VERSION(0,18,0)
896 case POPPLER_ACTION_JAVASCRIPT:
897 debug_print("yoyoyo ;-) javascript?\n");
898 break;
899 #if POPPLER_CHECK_VERSION(0,90,0)
900 case POPPLER_ACTION_RESET_FORM:
901 debug_print("yoyoyo ;-) reset form?\n");
902 break;
903 #endif /* 0.90 */
904 #endif /* 0.18 */
905 #endif /* 0.14 */
906 }
907 if (((MimeViewer *)viewer)->mimeview &&
908 ((MimeViewer *)viewer)->mimeview->messageview &&
909 ((MimeViewer *)viewer)->mimeview->messageview->window &&
910 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
911 gdk_window_set_cursor (gdkwin, NULL);
912 else
913 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
914 }
915
916 /* Init document to be scrolled with left mouse click */
917 if (event->button == 1 && !viewer->in_link) {
918 viewer->pdf_view_scroll = TRUE;
919 if (((MimeViewer *)viewer)->mimeview &&
920 ((MimeViewer *)viewer)->mimeview->messageview &&
921 ((MimeViewer *)viewer)->mimeview->messageview->window &&
922 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
923 gdk_window_set_cursor (gdkwin, hand_cur);
924 else
925 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), hand_cur);
926
927 viewer->last_x = event->x;
928 viewer->last_y = event->y;
929 viewer->last_dir_x = 0;
930 viewer->last_dir_y = 0;
931 }
932 }
933 /* Set the normal cursor*/
pdf_viewer_mouse_scroll_destroy_cb(GtkWidget * widget,GdkEventButton * event,PdfViewer * viewer)934 static void pdf_viewer_mouse_scroll_destroy_cb(GtkWidget *widget, GdkEventButton *event, PdfViewer *viewer)
935 {
936 GdkWindow *gdkwin;
937
938 if (event->button == 1) {
939 viewer->pdf_view_scroll = FALSE;
940 if (((MimeViewer *)viewer)->mimeview &&
941 ((MimeViewer *)viewer)->mimeview->messageview &&
942 ((MimeViewer *)viewer)->mimeview->messageview->window &&
943 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
944 gdk_window_set_cursor (gdkwin, NULL);
945 else
946 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
947 }
948 }
949
pdf_viewer_move_events_cb(GtkWidget * widget,GdkEventMotion * event,PdfViewer * viewer)950 static void pdf_viewer_move_events_cb(GtkWidget *widget, GdkEventMotion *event, PdfViewer *viewer)
951 {
952 GdkWindow *gdkwin;
953
954 /* Grab the document and scroll it with mouse */
955 if (viewer->pdf_view_scroll) {
956
957 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
958 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
959
960 if (event->x < viewer->last_x
961 && 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))) {
962 if (viewer->last_dir_x == -1) {
963 gtk_adjustment_set_value(viewer->pdf_view_hadj,
964 gtk_adjustment_get_value(viewer->pdf_view_hadj)
965 + viewer->last_x
966 - event->x);
967 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
968 "value_changed", 0);
969 }
970 viewer->last_dir_x = -1;
971 }
972 else if (event->x > viewer->last_x
973 && gtk_adjustment_get_value(viewer->pdf_view_hadj) > 0.0) {
974 if (viewer->last_dir_x == +1) {
975 gtk_adjustment_set_value(viewer->pdf_view_hadj,
976 gtk_adjustment_get_value(viewer->pdf_view_hadj)
977 + viewer->last_x
978 - event->x);
979 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_hadj),
980 "value_changed", 0);
981 }
982 viewer->last_dir_x = +1;
983 }
984
985 if (event->y < viewer->last_y
986 && 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))) {
987 if (viewer->last_dir_y == -1) {
988 gtk_adjustment_set_value(viewer->pdf_view_vadj,
989 gtk_adjustment_get_value(viewer->pdf_view_vadj)
990 + viewer->last_y
991 - event->y);
992 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
993 "value_changed", 0);
994 }
995 viewer->last_dir_y = -1;
996 }
997 else if (event->y > viewer->last_y
998 && gtk_adjustment_get_value(viewer->pdf_view_vadj) > 0.0) {
999 if (viewer->last_dir_y == +1) {
1000 gtk_adjustment_set_value(viewer->pdf_view_vadj,
1001 gtk_adjustment_get_value(viewer->pdf_view_vadj)
1002 + viewer->last_y
1003 - event->y);
1004 g_signal_emit_by_name(G_OBJECT(viewer->pdf_view_vadj),
1005 "value_changed", 0);
1006 }
1007 viewer->last_dir_y = +1;
1008 }
1009 viewer->last_x = event->x;
1010 viewer->last_y = event->y;
1011 GTK_EVENTS_FLUSH();
1012 }
1013 else {
1014 /* Link Mapping */
1015 static GList *l;
1016 static GdkCursor *link_cur = NULL;
1017 static GtkRequisition size;
1018 static gdouble x,y, x1, y1, x2, y2;
1019 gboolean ccur;
1020
1021 viewer->pdf_view_vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1022 viewer->pdf_view_hadj = gtk_scrolled_window_get_hadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1023
1024 if (!link_cur) link_cur = gdk_cursor_new(GDK_HAND2);
1025
1026 ccur = FALSE;
1027 viewer->in_link = FALSE;
1028 for (l = viewer->link_map; l; l = g_list_next (l)) {
1029 gint upper;
1030 PopplerLinkMapping *lmapping;
1031 lmapping = (PopplerLinkMapping *)l->data;
1032
1033 x1 = lmapping->area.x1;
1034 y1 = lmapping->area.y1;
1035 x2 = lmapping->area.x2;
1036 y2 = lmapping->area.y2;
1037 gtk_widget_size_request(viewer->pdf_view, &size);
1038
1039 upper = gtk_adjustment_get_upper(viewer->pdf_view_hadj);
1040 switch (viewer->rotate) {
1041 case 0:
1042 case 360:
1043 if (size.width != upper)
1044 x = (event->x - (upper - size.width) / 2) / viewer->zoom;
1045 else
1046 x = event->x / viewer->zoom;
1047
1048 y = (upper - event->y) / viewer->zoom;
1049 break;
1050 case 90:
1051 if (size.width != upper)
1052 y = (event->x - (upper - size.width) / 2) / viewer->zoom;
1053 else
1054 y = event->x / viewer->zoom;
1055
1056 x = (event->y) / viewer->zoom;
1057 break;
1058 case 180:
1059 if (size.width != upper)
1060 x = ((upper - event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1061 else
1062 x = ((upper - event->x) - (upper - size.width)) / viewer->zoom;
1063
1064 y = (event->y) / viewer->zoom;
1065 break;
1066 case 270:
1067 if (size.width != upper)
1068 y = ((upper - event->x) - ((upper - size.width) / 2)) / viewer->zoom;
1069 else
1070 y = ((upper - event->x) - (upper - size.width)) / viewer->zoom;
1071
1072 x = (upper - event->y) / viewer->zoom;
1073 break;
1074 }
1075
1076 if ( (x > x1 && x < x2) && (y > y1 && y < y2) ) {
1077 viewer->in_link = TRUE;
1078 if (((MimeViewer *)viewer)->mimeview &&
1079 ((MimeViewer *)viewer)->mimeview->messageview &&
1080 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1081 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1082 gdk_window_set_cursor (gdkwin, link_cur);
1083 else
1084 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), link_cur);
1085
1086 viewer->link_action = lmapping->action;
1087 ccur = TRUE;
1088 }
1089 if (!ccur) {
1090 if (((MimeViewer *)viewer)->mimeview &&
1091 ((MimeViewer *)viewer)->mimeview->messageview &&
1092 ((MimeViewer *)viewer)->mimeview->messageview->window &&
1093 (gdkwin = gtk_widget_get_window(((MimeViewer *)viewer)->mimeview->messageview->window)) != NULL)
1094 gdk_window_set_cursor (gdkwin, NULL);
1095 else
1096 gdk_window_set_cursor (gtk_widget_get_window(mainwindow_get_mainwindow()->window), NULL);
1097 }
1098 }
1099 g_free(l);
1100 }
1101 }
pdf_viewer_scroll_cb(GtkWidget * widget,GdkEventScroll * event,PdfViewer * viewer)1102 static gboolean pdf_viewer_scroll_cb(GtkWidget *widget, GdkEventScroll *event,
1103 PdfViewer *viewer)
1104 {
1105 GtkAdjustment *adj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1106 static gboolean in_scroll_cb = FALSE;
1107 gboolean handled = FALSE;
1108 gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1109
1110 if (in_scroll_cb)
1111 return FALSE;
1112
1113 in_scroll_cb = TRUE;
1114
1115 if ((event->state & GDK_CONTROL_MASK) == GDK_CONTROL_MASK) {
1116 if (event->direction == GDK_SCROLL_UP) {
1117 pdf_viewer_button_zoom_in_cb(NULL, viewer);
1118 } else {
1119 pdf_viewer_button_zoom_out_cb(NULL, viewer);
1120 }
1121 in_scroll_cb = FALSE;
1122 return TRUE;
1123 }
1124
1125 if (event->direction == GDK_SCROLL_UP &&
1126 gtk_adjustment_get_value(adj) == gtk_adjustment_get_lower(adj) &&
1127 cur_p > 1) {
1128 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1129 gtk_adjustment_set_value(adj,
1130 gtk_adjustment_get_upper(adj) - gtk_adjustment_get_page_size(adj));
1131 handled = TRUE;
1132 } else if (event->direction == GDK_SCROLL_DOWN &&
1133 gtk_adjustment_get_value(adj) + gtk_adjustment_get_page_size(adj) == gtk_adjustment_get_upper(adj) &&
1134 cur_p < viewer->num_pages) {
1135 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1136 gtk_adjustment_set_value(adj, 0.0);
1137 handled = TRUE;
1138 }
1139 in_scroll_cb = FALSE;
1140 return handled;
1141 }
1142
pdf_viewer_button_zoom_fit_cb(GtkButton * button,PdfViewer * viewer)1143 static void pdf_viewer_button_zoom_fit_cb(GtkButton *button, PdfViewer *viewer)
1144 {
1145 GtkAllocation allocation;
1146 double xratio, yratio;
1147 gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1148 debug_print("width: %d\n", allocation.width);
1149 debug_print("height: %d\n", allocation.height);
1150 xratio = allocation.width / viewer->width;
1151 yratio = allocation.height / viewer->height;
1152
1153 if (xratio >= yratio) {
1154 viewer->zoom = yratio;
1155 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1156 }
1157 else {
1158 viewer->zoom = xratio;
1159 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll),viewer->zoom);
1160 }
1161 }
1162
pdf_viewer_button_zoom_width_cb(GtkButton * button,PdfViewer * viewer)1163 static void pdf_viewer_button_zoom_width_cb(GtkButton *button, PdfViewer *viewer)
1164 {
1165 GtkAllocation allocation;
1166 double xratio;
1167 gtk_widget_get_allocation(viewer->scrollwin, &allocation);
1168 debug_print("width: %d\n", allocation.width);
1169 xratio = allocation.width / viewer->width;
1170 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), xratio);
1171 }
1172
pdf_viewer_button_rotate_right_cb(GtkButton * button,PdfViewer * viewer)1173 static void pdf_viewer_button_rotate_right_cb(GtkButton *button, PdfViewer *viewer)
1174 {
1175 if (viewer->rotate == 360) {
1176 viewer->rotate = 0;
1177 }
1178
1179 viewer->rotate += (gint) ROTATION;
1180 pdf_viewer_update((MimeViewer *)viewer, FALSE,
1181 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page)));
1182 }
1183
pdf_viewer_button_rotate_left_cb(GtkButton * button,PdfViewer * viewer)1184 static void pdf_viewer_button_rotate_left_cb(GtkButton *button, PdfViewer *viewer)
1185 {
1186 if (viewer->rotate == 0) {
1187 viewer->rotate = 360;
1188 }
1189
1190 viewer->rotate = abs(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 /* Show/Hide the index pane */
pdf_viewer_show_document_index_cb(GtkToggleButton * button,PdfViewer * viewer)1196 static void pdf_viewer_show_document_index_cb(GtkToggleButton *button, PdfViewer *viewer)
1197 {
1198 if (!viewer->pdf_index) {
1199 viewer->pdf_index = poppler_index_iter_new(viewer->pdf_doc);
1200 }
1201
1202 gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1203
1204 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(viewer->doc_index))) {
1205 pdf_viewer_get_document_index(viewer,(PopplerIndexIter *) viewer->pdf_index, NULL);
1206 gtk_widget_show(GTK_WIDGET(viewer->frame_index));
1207 }
1208 else {
1209 pdf_viewer_hide_index_pane(viewer);
1210 }
1211
1212 }
1213
pdf_viewer_button_print_cb(GtkButton * button,PdfViewer * viewer)1214 static void pdf_viewer_button_print_cb(GtkButton *button, PdfViewer *viewer)
1215 {
1216 MainWindow *mainwin = mainwindow_get_mainwindow();
1217 summary_print(mainwin->summaryview);
1218 }
1219
pdf_viewer_button_document_info_cb(GtkButton * button,PdfViewer * viewer)1220 static void pdf_viewer_button_document_info_cb(GtkButton *button, PdfViewer *viewer)
1221 {
1222 alertpanel_full(_("PDF properties"), NULL, GTK_STOCK_CLOSE, NULL, NULL,
1223 ALERTFOCUS_FIRST, FALSE,
1224 GTK_WIDGET(pdf_viewer_fill_info_table(viewer)),
1225 ALERT_NOTICE);
1226 }
1227
1228 /*
1229 static const char * poppler_get_document_info_mode(PopplerPageMode mode)
1230 {
1231 GEnumValue *enum_value;
1232
1233 enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_MODE), mode);
1234 return(gchar *) enum_value->value_name;
1235 }
1236 static const char * poppler_get_document_info_layout(PopplerPageLayout layout)
1237 {
1238
1239 GEnumValue *enum_value;
1240
1241 enum_value = g_enum_get_value((GEnumClass *) g_type_class_peek(POPPLER_TYPE_PAGE_LAYOUT), layout);
1242 return(gchar *) enum_value->value_name;
1243 }
1244 */
pdf_viewer_show_controls(PdfViewer * viewer,gboolean show)1245 static void pdf_viewer_show_controls(PdfViewer *viewer, gboolean show)
1246 {
1247 if (show) {
1248 gtk_widget_show(viewer->first_page);
1249 gtk_widget_show(viewer->cur_page);
1250 gtk_widget_show(viewer->prev_page);
1251 gtk_widget_show(viewer->next_page);
1252 gtk_widget_show(viewer->last_page);
1253 gtk_widget_show(viewer->zoom_in);
1254 gtk_widget_show(viewer->zoom_out);
1255 gtk_widget_show(viewer->zoom_fit);
1256 gtk_widget_show(viewer->zoom_width);
1257 gtk_widget_show(viewer->zoom_scroll);
1258 gtk_widget_show(viewer->widgets_table);
1259 gtk_widget_show(viewer->rotate_right);
1260 gtk_widget_show(viewer->rotate_left);
1261 gtk_widget_show(viewer->print);
1262 gtk_widget_show(viewer->doc_info);
1263 gtk_widget_show(viewer->doc_index);
1264 } else {
1265 gtk_widget_hide(viewer->first_page);
1266 gtk_widget_hide(viewer->cur_page);
1267 gtk_widget_hide(viewer->prev_page);
1268 gtk_widget_hide(viewer->next_page);
1269 gtk_widget_hide(viewer->last_page);
1270 gtk_widget_hide(viewer->zoom_in);
1271 gtk_widget_hide(viewer->zoom_out);
1272 gtk_widget_hide(viewer->zoom_fit);
1273 gtk_widget_hide(viewer->zoom_width);
1274 gtk_widget_hide(viewer->zoom_scroll);
1275 gtk_widget_hide(viewer->widgets_table);
1276 gtk_widget_hide(viewer->rotate_right);
1277 gtk_widget_hide(viewer->rotate_left);
1278 gtk_widget_hide(viewer->print);
1279 gtk_widget_hide(viewer->doc_info);
1280 gtk_widget_hide(viewer->doc_index);
1281 }
1282 }
1283 /** Render the current page, page_num on the viewer */
pdf_viewer_update(MimeViewer * _viewer,gboolean reload_file,int page_num)1284 static void pdf_viewer_update(MimeViewer *_viewer, gboolean reload_file, int page_num)
1285 {
1286
1287 PdfViewer *viewer = (PdfViewer *) _viewer;
1288 GError *error = NULL;
1289 gchar *tmpfile = NULL;
1290 gchar *tmp;
1291 gchar *password = NULL;
1292
1293 debug_print("pdf_viewer_update\n");
1294
1295 if (reload_file) {
1296 if (viewer->pdf_doc) {
1297 g_object_unref(G_OBJECT(viewer->pdf_doc));
1298 viewer->pdf_doc = NULL;
1299 }
1300
1301 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1302 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PS,
1303 &viewer->icon_pixbuf);
1304 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1305 viewer->icon_pixbuf);
1306 }
1307 else if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF) {
1308 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_PDF,
1309 &viewer->icon_pixbuf);
1310 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1311 viewer->icon_pixbuf);
1312 }
1313 else {
1314 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1315 &viewer->icon_pixbuf);
1316 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1317 viewer->icon_pixbuf);
1318 }
1319
1320 gtk_label_set_text(GTK_LABEL(viewer->doc_label), _("Loading..."));
1321 pdf_viewer_show_controls(viewer, FALSE);
1322 main_window_cursor_wait(mainwindow_get_mainwindow());
1323
1324 GTK_EVENTS_FLUSH();
1325
1326 if (pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PS) {
1327 gchar *cmdline = NULL, *tmp = NULL, *gspath = NULL;
1328 gint result = 0;
1329
1330 if ((gspath = g_find_program_in_path("gs")) != NULL) {
1331 g_free(gspath);
1332 /* convert postscript to pdf */
1333 tmpfile = get_tmp_file();
1334 cmdline = g_strdup_printf(
1335 "gs -dSAFER -dCompatibilityLevel=1.2 -q -dNOPAUSE -dBATCH "
1336 "-sDEVICE=pdfwrite -sOutputFile=%s -c .setpdfwrite -f \"%s\"",
1337 tmpfile, viewer->filename);
1338 result = execute_command_line(cmdline, FALSE, NULL);
1339 if (result == 0) {
1340 tmp = g_filename_to_uri(tmpfile, NULL, NULL);
1341 viewer->pdf_doc = poppler_document_new_from_file( tmp, NULL, &error);
1342 g_free(tmp);
1343 }
1344 else {
1345 g_warning("gs conversion failed: %s returned %d", cmdline, result);
1346 tmp = g_strdup_printf("gs: err %d", result);
1347 alertpanel_warning("%s", tmp);
1348 g_free(tmp);
1349 }
1350
1351 g_free(cmdline);
1352 claws_unlink(tmpfile);
1353 g_free(tmpfile);
1354 }
1355 else {
1356 g_warning("gs conversion disabled: gs binary was not found");
1357 alertpanel_warning("PostScript view disabled: required gs program not found");
1358 result = 1;
1359
1360 }
1361 if (result != 0) {
1362 main_window_cursor_normal(mainwindow_get_mainwindow());
1363 return;
1364 }
1365 }
1366 else {
1367 viewer->pdf_doc = poppler_document_new_from_file( viewer->fsname, NULL, &error);
1368 }
1369 if (error && g_error_matches(error, POPPLER_ERROR, POPPLER_ERROR_ENCRYPTED)) {
1370 g_clear_error(&error);
1371 password = input_dialog_with_invisible(_("Enter password"),
1372 _("This document is locked and requires a password before it can be opened."),
1373 "");
1374 viewer->pdf_doc = poppler_document_new_from_file(viewer->fsname, password, &error);
1375 g_free(password);
1376 }
1377
1378 viewer->num_pages = poppler_document_get_n_pages(viewer->pdf_doc);
1379
1380 g_signal_handlers_block_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1381 gtk_spin_button_set_range(GTK_SPIN_BUTTON(viewer->cur_page),
1382 1,
1383 (gdouble)viewer->num_pages );
1384
1385 g_signal_handlers_unblock_by_func(G_OBJECT(viewer->cur_page), pdf_viewer_spin_change_page_cb,(gpointer *)viewer);
1386 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_HOME, 1);
1387 tmp = g_strdup_printf(_("%s Document"),pdf_viewer_mimepart_get_type(viewer->to_load) == TYPE_PDF ? "PDF":"Postscript");
1388 CLAWS_SET_TIP(
1389 GTK_WIDGET(viewer->icon_type_ebox),
1390 tmp);
1391 g_free(tmp);
1392
1393 tmp = g_strdup_printf(_("of %d"), viewer->num_pages);
1394 gtk_label_set_text(GTK_LABEL(viewer->doc_label), tmp);
1395 g_free(tmp);
1396
1397 pdf_viewer_show_controls(viewer, TRUE);
1398 main_window_cursor_normal(mainwindow_get_mainwindow());
1399 }
1400 if (viewer->pdf_doc == NULL) {
1401 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_APPLICATION,
1402 &viewer->icon_pixbuf);
1403
1404 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type), viewer->icon_pixbuf);
1405 if (error) {
1406 strretchomp(error->message);
1407 alertpanel_error("%s", error->message);
1408 } else {
1409 alertpanel_error(_("PDF rendering failed for an unknown reason."));
1410 }
1411 pdf_viewer_show_controls(viewer, FALSE);
1412 g_error_free(error);
1413 return;
1414 }
1415
1416 if (page_num == 1) {
1417 gtk_widget_set_sensitive(viewer->first_page, FALSE);
1418 gtk_widget_set_sensitive(viewer->prev_page, FALSE);
1419 }
1420 else {
1421 gtk_widget_set_sensitive(viewer->first_page, TRUE);
1422 gtk_widget_set_sensitive(viewer->prev_page, TRUE);
1423 }
1424
1425 if (page_num == viewer->num_pages) {
1426 gtk_widget_set_sensitive(viewer->last_page, FALSE);
1427 gtk_widget_set_sensitive(viewer->next_page, FALSE);
1428 }
1429 else {
1430 gtk_widget_set_sensitive(viewer->last_page, TRUE);
1431 gtk_widget_set_sensitive(viewer->next_page, TRUE);
1432 }
1433
1434 /* check for the index if exists */
1435 pdf_viewer_set_index_button_sensitive((PdfViewer *) viewer);
1436
1437 if (page_num > 0 && page_num <= viewer->num_pages) {
1438
1439 GTK_EVENTS_FLUSH();
1440
1441 if (viewer->pdf_page) {
1442 g_object_unref(G_OBJECT(viewer->pdf_page));
1443 }
1444
1445 viewer->pdf_page = poppler_document_get_page(viewer->pdf_doc, page_num - 1);
1446
1447 if (viewer->pdf_page == NULL) {
1448 g_warning("Page not found");
1449 return;
1450 }
1451
1452 if (viewer->rotate == 90 || viewer->rotate == 270) {
1453 poppler_page_get_size(viewer->pdf_page, &viewer->height, &viewer->width);
1454 }
1455 else {
1456 poppler_page_get_size(viewer->pdf_page, &viewer->width, &viewer->height);
1457 }
1458
1459 if (viewer->last_rect && viewer->last_page_result &&
1460 viewer->last_page_result->page_num == page_num) {
1461 pdf_viewer_render_selection(viewer, viewer->last_rect, viewer->last_page_result);
1462 }
1463 else {
1464 pdf_viewer_render_page(viewer->pdf_page, viewer->pdf_view, viewer->width,
1465 viewer->height, viewer->zoom, viewer->rotate);
1466
1467 }
1468
1469 /* Get Links Mapping */
1470 if (viewer->link_map) {
1471 poppler_page_free_link_mapping(viewer->link_map);
1472 }
1473 viewer->link_map = poppler_page_get_link_mapping(viewer->pdf_page);
1474
1475 }
1476 }
1477
1478
pdf_viewer_show_mimepart(MimeViewer * _viewer,const gchar * infile,MimeInfo * partinfo)1479 static void pdf_viewer_show_mimepart(MimeViewer *_viewer, const gchar *infile,
1480 MimeInfo *partinfo)
1481 {
1482 PdfViewer *viewer = (PdfViewer *) _viewer;
1483 gchar buf[4096];
1484 const gchar *charset = NULL;
1485 MessageView *messageview = ((MimeViewer *)viewer)->mimeview
1486 ?((MimeViewer *)viewer)->mimeview->messageview
1487 : NULL;
1488
1489 viewer->rotate = 0;
1490 viewer->to_load = partinfo;
1491
1492 if (messageview)
1493 messageview->updating = TRUE;
1494
1495 memset(buf, 0, sizeof(buf));
1496 debug_print("pdf_viewer_show_mimepart\n");
1497
1498 if (viewer->filename != NULL) {
1499 claws_unlink(viewer->filename);
1500 g_free(viewer->filename);
1501 viewer->filename = NULL;
1502 }
1503
1504 viewer->mimeinfo = NULL;
1505
1506 if (partinfo) {
1507 viewer->target_filename = procmime_get_part_file_name(partinfo);
1508 viewer->filename = procmime_get_tmp_file_name(partinfo);
1509 viewer->fsname = g_filename_to_uri(viewer->filename, NULL, NULL);
1510 }
1511
1512 if (partinfo && !(procmime_get_part(viewer->filename, partinfo) < 0)) {
1513
1514 if (messageview && messageview->forced_charset)
1515 charset = _viewer->mimeview->messageview->forced_charset;
1516 else
1517 charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
1518
1519 if (charset == NULL) {
1520 charset = conv_get_locale_charset_str();
1521 }
1522
1523 debug_print("using charset %s\n", charset);
1524
1525 viewer->mimeinfo = partinfo;
1526 }
1527
1528 pdf_viewer_update((MimeViewer *)viewer, TRUE, 1);
1529
1530 if (messageview)
1531 messageview->updating = FALSE;
1532 }
1533
pdf_viewer_clear(MimeViewer * _viewer)1534 static void pdf_viewer_clear(MimeViewer *_viewer)
1535 {
1536 PdfViewer *viewer = (PdfViewer *) _viewer;
1537 GtkAdjustment *vadj;
1538
1539 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(viewer->doc_index), FALSE);
1540 gtk_widget_hide(viewer->frame_index);
1541
1542 debug_print("pdf_viewer_clear\n");
1543 viewer->to_load = NULL;
1544
1545 if (viewer->pdf_doc) {
1546 g_object_unref(G_OBJECT(viewer->pdf_doc));
1547 viewer->pdf_doc = NULL;
1548 }
1549
1550 vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin));
1551 gtk_adjustment_set_value(vadj, 0.0);
1552 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1553 vadj = gtk_scrolled_window_get_vadjustment(GTK_SCROLLED_WINDOW(viewer->scrollwin_index));
1554 gtk_adjustment_set_value(vadj, 0.0);
1555 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1556 gtk_tree_store_clear(GTK_TREE_STORE(viewer->index_model));
1557 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->pdf_view), NULL);
1558 }
1559
pdf_viewer_destroy(MimeViewer * _viewer)1560 static void pdf_viewer_destroy(MimeViewer *_viewer)
1561 {
1562 PdfViewer *viewer = (PdfViewer *) _viewer;
1563
1564 debug_print("pdf_viewer_destroy\n");
1565
1566 if (viewer->pdf_index) poppler_index_iter_free(viewer->pdf_index);
1567
1568 poppler_page_free_link_mapping (viewer->link_map);
1569 g_object_unref(GTK_WIDGET(viewer->vbox));
1570 g_object_unref(GTK_WIDGET(viewer->pdf_view));
1571 g_object_unref(GTK_WIDGET(viewer->doc_index_pane));
1572 g_object_unref(GTK_WIDGET(viewer->scrollwin));
1573 g_object_unref(GTK_WIDGET(viewer->scrollwin_index));
1574 claws_unlink(viewer->filename);
1575 g_free(viewer->filename);
1576 g_free(viewer);
1577 }
1578
pdf_viewer_scroll_page(MimeViewer * _viewer,gboolean up)1579 static gboolean pdf_viewer_scroll_page(MimeViewer *_viewer, gboolean up)
1580 {
1581 PdfViewer *viewer = (PdfViewer *)_viewer;
1582 GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1583 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1584
1585 gint cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1586
1587 if (viewer->pdf_view == NULL) return FALSE;
1588
1589 if (!gtkutils_scroll_page(GTK_WIDGET(viewer->pdf_view), vadj, up)) {
1590 if (!up && cur_p != viewer->num_pages) {
1591 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_FORWARD, 1);
1592 vadj = gtk_scrolled_window_get_vadjustment(
1593 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1594 gtk_adjustment_set_value(vadj, 0.0);
1595 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1596 return TRUE;
1597 }
1598 else if (up && cur_p != 1) {
1599 gtk_spin_button_spin(GTK_SPIN_BUTTON(viewer->cur_page), GTK_SPIN_STEP_BACKWARD, 1);
1600 vadj = gtk_scrolled_window_get_vadjustment(
1601 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1602 gtk_adjustment_set_value(vadj,
1603 gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj));
1604 g_signal_emit_by_name(G_OBJECT(vadj), "value-changed", 0);
1605 return TRUE;
1606 }
1607 return FALSE;
1608 }
1609 else return TRUE;
1610 }
1611
pdf_viewer_scroll_one_line(MimeViewer * _viewer,gboolean up)1612 static void pdf_viewer_scroll_one_line(MimeViewer *_viewer, gboolean up)
1613 {
1614 PdfViewer *viewer = (PdfViewer *)_viewer;
1615 GtkAdjustment *vadj = gtk_scrolled_window_get_vadjustment(
1616 GTK_SCROLLED_WINDOW(viewer->scrollwin));
1617 gint cur_p;
1618 cur_p = gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(viewer->cur_page));
1619
1620 if (viewer->pdf_view == NULL) return;
1621 debug_print("up: %d\n", up);
1622 if (gtk_adjustment_get_value(vadj) < (gtk_adjustment_get_upper(vadj) - gtk_adjustment_get_page_size(vadj))) {
1623 gtkutils_scroll_one_line(GTK_WIDGET(viewer->pdf_view), vadj, up);
1624 }
1625 else {
1626 if (cur_p != viewer->num_pages) {
1627 pdf_viewer_scroll_page((MimeViewer *)viewer, up);
1628 }
1629 }
1630
1631 }
1632
1633 #define BUTTON_H_PADDING 3
1634 #define ADD_BUTTON_TO_TABLE(widget, stock_image) \
1635 widget = gtk_button_new(); \
1636 img = stock_pixmap_widget(stock_image); \
1637 gtk_button_set_image(GTK_BUTTON(widget), img); \
1638 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(widget), \
1639 col, col+1, 0, 1, 0, 0, BUTTON_H_PADDING, 0); \
1640 col++;
1641 #define ADD_TOGGLE_BUTTON_TO_TABLE(widget, stock_image) \
1642 widget = gtk_toggle_button_new(); \
1643 img = stock_pixmap_widget(stock_image); \
1644 gtk_button_set_image(GTK_BUTTON(widget), img); \
1645 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(widget), \
1646 col, col+1, 0, 1, 0, 0, BUTTON_H_PADDING, 0); \
1647 col++;
1648
1649 #define ADD_SEP_TO_TABLE \
1650 sep = gtk_label_new(""); \
1651 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(sep), \
1652 col, col+1, 0, 1, 0, 0, 0, 0); \
1653 gtk_table_set_col_spacing(GTK_TABLE(viewer->widgets_table), col, 3*BUTTON_H_PADDING); \
1654 col++;
1655
1656 #if POPPLER_HAS_CAIRO
pdf_viewer_get_pango_context(gpointer data)1657 static PangoContext *pdf_viewer_get_pango_context(gpointer data)
1658 {
1659 return NULL;
1660 }
1661
pdf_viewer_get_data_to_print(gpointer data,gint sel_start,gint sel_end)1662 static gpointer pdf_viewer_get_data_to_print(gpointer data, gint sel_start, gint sel_end)
1663 {
1664 return NULL; /* we don't need it */
1665 }
1666
pdf_viewer_cb_begin_print(GtkPrintOperation * op,GtkPrintContext * context,gpointer user_data)1667 static void pdf_viewer_cb_begin_print(GtkPrintOperation *op, GtkPrintContext *context,
1668 gpointer user_data)
1669 {
1670 PrintData *print_data;
1671 PopplerDocument *pdf_doc;
1672 gint n_pages = 0;
1673 print_data = (PrintData*) user_data;
1674 pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1675
1676 debug_print("Preparing print job...\n");
1677
1678 n_pages = poppler_document_get_n_pages(pdf_doc);
1679 printing_set_n_pages(print_data, n_pages);
1680 gtk_print_operation_set_n_pages(op, n_pages);
1681
1682 debug_print("Starting print job...\n");
1683 }
1684
pdf_viewer_cb_draw_page(GtkPrintOperation * op,GtkPrintContext * context,int page_nr,gpointer user_data)1685 static void pdf_viewer_cb_draw_page(GtkPrintOperation *op, GtkPrintContext *context,
1686 int page_nr, gpointer user_data)
1687 {
1688 cairo_t *cr;
1689 PrintData *print_data;
1690 PopplerDocument *pdf_doc;
1691 PopplerPage *pdf_page;
1692
1693 print_data = (PrintData*) user_data;
1694 pdf_doc = (PopplerDocument *)printing_get_renderer_data(print_data);
1695 pdf_page = poppler_document_get_page(pdf_doc, page_nr);
1696
1697 cr = gtk_print_context_get_cairo_context(context);
1698 cairo_scale(cr, printing_get_zoom(print_data), printing_get_zoom(print_data));
1699 cairo_set_source_rgb(cr, 0., 0., 0.);
1700
1701 poppler_page_render_for_printing(pdf_page, cr);
1702
1703 g_object_unref(G_OBJECT(pdf_page));
1704
1705 debug_print("Sent page %d to printer\n", page_nr+1);
1706 }
1707
pdf_viewer_print(MimeViewer * mviewer)1708 static void pdf_viewer_print(MimeViewer *mviewer)
1709 {
1710 PdfViewer *viewer = (PdfViewer *)mviewer;
1711 PrintRenderer *pdf_renderer = g_new0(PrintRenderer, 1);
1712 MainWindow *mainwin = mainwindow_get_mainwindow();
1713
1714 pdf_renderer->get_pango_context = pdf_viewer_get_pango_context;
1715 pdf_renderer->get_data_to_print = pdf_viewer_get_data_to_print;
1716 pdf_renderer->cb_begin_print = pdf_viewer_cb_begin_print;
1717 pdf_renderer->cb_draw_page = pdf_viewer_cb_draw_page;
1718
1719 printing_print_full(mainwin ? GTK_WINDOW(mainwin->window):NULL,
1720 pdf_renderer, viewer->pdf_doc, -1, -1, NULL);
1721
1722 g_free(pdf_renderer);
1723 }
1724 #endif
1725
pdf_viewer_create(void)1726 static MimeViewer *pdf_viewer_create(void)
1727 {
1728 PdfViewer *viewer;
1729 GtkTreeViewColumn *column;
1730 GtkCellRenderer *renderer;
1731 GtkTreeStore *tree_store;
1732 GtkWidget *sep;
1733 GtkWidget *img;
1734 gint col = 0;
1735
1736 viewer = g_new0(PdfViewer, 1);
1737 debug_print("pdf_viewer_create\n");
1738
1739 viewer->last_x = 0;
1740 viewer->last_y = 0;
1741 viewer->mimeviewer.factory = &pdf_viewer_factory;
1742 viewer->mimeviewer.get_widget = pdf_viewer_get_widget;
1743 viewer->mimeviewer.show_mimepart = pdf_viewer_show_mimepart;
1744 viewer->mimeviewer.clear_viewer = pdf_viewer_clear;
1745 viewer->mimeviewer.destroy_viewer = pdf_viewer_destroy;
1746 viewer->mimeviewer.text_search = pdf_viewer_text_search;
1747 viewer->mimeviewer.scroll_page = pdf_viewer_scroll_page;
1748 viewer->mimeviewer.scroll_one_line = pdf_viewer_scroll_one_line;
1749 #if POPPLER_HAS_CAIRO
1750 viewer->mimeviewer.print = pdf_viewer_print;
1751 #endif
1752 viewer->scrollwin = gtk_scrolled_window_new(NULL, NULL);
1753 viewer->scrollwin_index = gtk_scrolled_window_new(NULL, NULL);
1754 viewer->pdf_view_ebox = gtk_event_box_new();
1755 gtk_event_box_set_visible_window(GTK_EVENT_BOX(viewer->pdf_view_ebox), FALSE);
1756
1757 viewer->mimeinfo = NULL;
1758
1759 viewer->pdf_view = gtk_image_new();
1760 gtk_widget_set_events(viewer->pdf_view_ebox,
1761 GDK_BUTTON_RELEASE_MASK
1762 | GDK_POINTER_MOTION_MASK
1763 | GDK_BUTTON_PRESS_MASK
1764 | GDK_BUTTON_MOTION_MASK
1765 );
1766 gtk_container_add (GTK_CONTAINER(viewer->pdf_view_ebox), viewer->pdf_view);
1767 viewer->icon_type = gtk_image_new();
1768 viewer->icon_type_ebox = gtk_event_box_new();
1769
1770 gtk_container_add(GTK_CONTAINER(viewer->icon_type_ebox), viewer->icon_type);
1771
1772 viewer->doc_label = gtk_label_new("");
1773
1774 viewer->widgets_table = gtk_table_new(1, 1, FALSE);
1775
1776 viewer->doc_index_pane = gtk_hpaned_new();
1777
1778 viewer->frame_index = gtk_frame_new(NULL);
1779 gtk_frame_set_shadow_type(GTK_FRAME(viewer->frame_index), GTK_SHADOW_IN);
1780 gtk_widget_set_size_request(viewer->frame_index, 18, -1);
1781 gtk_frame_set_label(GTK_FRAME(viewer->frame_index), _("Document Index"));
1782
1783 ADD_SEP_TO_TABLE
1784 ADD_BUTTON_TO_TABLE(viewer->first_page, STOCK_PIXMAP_FIRST_ARROW)
1785 ADD_BUTTON_TO_TABLE(viewer->prev_page, STOCK_PIXMAP_LEFT_ARROW)
1786 viewer->cur_page = gtk_spin_button_new_with_range(0.0, 0.0, 1.0);
1787 viewer->zoom_scroll = gtk_spin_button_new_with_range(0.20, 8.0, 0.20);
1788 gtk_spin_button_set_value(GTK_SPIN_BUTTON(viewer->zoom_scroll), 1.0);
1789 viewer->zoom = 1.0;
1790 gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->cur_page), TRUE);
1791 gtk_spin_button_set_numeric(GTK_SPIN_BUTTON(viewer->zoom_scroll), TRUE);
1792 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->cur_page),
1793 col, col+1,
1794 0, 1, 0, 0,
1795 BUTTON_H_PADDING,
1796 0);
1797 col++;
1798 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->doc_label),
1799 col, col+1,
1800 0, 1, 0, 0,
1801 BUTTON_H_PADDING,
1802 0);
1803 col++;
1804
1805 ADD_BUTTON_TO_TABLE(viewer->next_page, STOCK_PIXMAP_RIGHT_ARROW)
1806 ADD_BUTTON_TO_TABLE(viewer->last_page, STOCK_PIXMAP_LAST_ARROW)
1807 ADD_SEP_TO_TABLE
1808 ADD_BUTTON_TO_TABLE(viewer->zoom_fit, STOCK_PIXMAP_ZOOM_FIT)
1809 ADD_BUTTON_TO_TABLE(viewer->zoom_in, STOCK_PIXMAP_ZOOM_IN)
1810 gtk_table_attach(GTK_TABLE(viewer->widgets_table), GTK_WIDGET(viewer->zoom_scroll),
1811 col, col+1,
1812 0, 1, 0, 0,
1813 BUTTON_H_PADDING,
1814 0);
1815 col++;
1816 ADD_BUTTON_TO_TABLE(viewer->zoom_out, STOCK_PIXMAP_ZOOM_OUT)
1817 ADD_BUTTON_TO_TABLE(viewer->zoom_width, STOCK_PIXMAP_ZOOM_WIDTH)
1818 ADD_SEP_TO_TABLE
1819 ADD_BUTTON_TO_TABLE(viewer->rotate_left, STOCK_PIXMAP_ROTATE_LEFT)
1820 ADD_BUTTON_TO_TABLE(viewer->rotate_right, STOCK_PIXMAP_ROTATE_RIGHT)
1821 ADD_SEP_TO_TABLE
1822 ADD_BUTTON_TO_TABLE(viewer->print, STOCK_PIXMAP_PRINTER)
1823 ADD_BUTTON_TO_TABLE(viewer->doc_info, STOCK_PIXMAP_DOC_INFO)
1824 ADD_TOGGLE_BUTTON_TO_TABLE(viewer->doc_index, STOCK_PIXMAP_DOC_INDEX)
1825
1826 gtk_scrolled_window_set_policy(
1827 GTK_SCROLLED_WINDOW(viewer->scrollwin),
1828 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1829
1830 gtk_scrolled_window_set_shadow_type(
1831 GTK_SCROLLED_WINDOW(viewer->scrollwin),
1832 GTK_SHADOW_IN);
1833
1834 gtk_scrolled_window_add_with_viewport(
1835 GTK_SCROLLED_WINDOW(viewer->scrollwin),
1836 viewer->pdf_view_ebox);
1837
1838 viewer->vbox = gtk_vbox_new(FALSE, 4);
1839 viewer->hbox = gtk_hbox_new(FALSE, 4);
1840
1841 /* treeview */
1842 tree_store = gtk_tree_store_new(N_INDEX_COLUMNS,
1843 G_TYPE_STRING,
1844 G_TYPE_INT,
1845 G_TYPE_DOUBLE);
1846
1847 viewer->index_list = gtk_tree_view_new_with_model(GTK_TREE_MODEL(tree_store));
1848 g_object_unref(tree_store);
1849
1850 renderer = gtk_cell_renderer_text_new();
1851 column = gtk_tree_view_column_new_with_attributes(_("Name"), renderer, "text", 0, NULL);
1852 gtk_tree_view_append_column(GTK_TREE_VIEW(viewer->index_list), column);
1853 gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(viewer->index_list), FALSE);
1854
1855 viewer->index_model = GTK_TREE_MODEL(tree_store);
1856
1857 gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(viewer->index_list)),
1858 GTK_SELECTION_SINGLE);
1859
1860 g_signal_connect(G_OBJECT(viewer->index_list), "row_activated",
1861 G_CALLBACK(pdf_viewer_index_row_activated),
1862 viewer);
1863
1864 gtk_scrolled_window_set_policy(
1865 GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1866 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
1867
1868 gtk_scrolled_window_set_shadow_type(
1869 GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1870 GTK_SHADOW_IN);
1871
1872 gtk_scrolled_window_add_with_viewport(
1873 GTK_SCROLLED_WINDOW(viewer->scrollwin_index),
1874 viewer->index_list);
1875
1876 /* end treeview */
1877
1878 stock_pixbuf_gdk(STOCK_PIXMAP_MIME_TEXT_PLAIN,
1879 &viewer->icon_pixbuf);
1880
1881 gtk_image_set_from_pixbuf(GTK_IMAGE(viewer->icon_type),
1882 viewer->icon_pixbuf);
1883
1884 /* pack widgets*/
1885 gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->icon_type_ebox, FALSE, FALSE, 0);
1886 gtk_box_pack_start(GTK_BOX(viewer->hbox), viewer->widgets_table, FALSE, FALSE, 0);
1887
1888 gtk_container_add(GTK_CONTAINER(viewer->frame_index), viewer->scrollwin_index);
1889
1890 gtk_paned_pack1(GTK_PANED(viewer->doc_index_pane), viewer->frame_index, FALSE, FALSE);
1891 gtk_paned_pack2(GTK_PANED(viewer->doc_index_pane), viewer->scrollwin, FALSE, FALSE);
1892
1893 gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->hbox, FALSE, FALSE, 0);
1894 gtk_box_pack_start(GTK_BOX(viewer->vbox), viewer->doc_index_pane, TRUE, TRUE, 0);
1895 /* show widgets */
1896 gtk_widget_show(GTK_WIDGET(viewer->doc_index_pane));
1897 g_object_ref(GTK_WIDGET(viewer->doc_index_pane));
1898 gtk_widget_show(GTK_WIDGET(viewer->scrollwin));
1899 g_object_ref(GTK_WIDGET(viewer->scrollwin));
1900 gtk_widget_show(GTK_WIDGET(viewer->icon_type_ebox));
1901 g_object_ref(GTK_WIDGET(viewer->icon_type_ebox));
1902 gtk_widget_show(GTK_WIDGET(viewer->pdf_view_ebox));
1903 g_object_ref(GTK_WIDGET(viewer->pdf_view_ebox));
1904 gtk_widget_show(GTK_WIDGET(viewer->scrollwin_index));
1905 g_object_ref(GTK_WIDGET(viewer->scrollwin_index));
1906 gtk_widget_show(GTK_WIDGET(viewer->hbox));
1907 g_object_ref(GTK_WIDGET(viewer->hbox));
1908 gtk_widget_show(GTK_WIDGET(viewer->vbox));
1909 g_object_ref(GTK_WIDGET(viewer->vbox));
1910
1911 gtk_widget_show(GTK_WIDGET(viewer->widgets_table));
1912 g_object_ref(GTK_WIDGET(viewer->widgets_table));
1913
1914 gtk_widget_show(GTK_WIDGET(viewer->cur_page));
1915 g_object_ref(GTK_WIDGET(viewer->cur_page));
1916
1917 gtk_widget_show(GTK_WIDGET(viewer->first_page));
1918 g_object_ref(GTK_WIDGET(viewer->first_page));
1919
1920 gtk_widget_show(GTK_WIDGET(viewer->last_page));
1921 g_object_ref(GTK_WIDGET(viewer->last_page));
1922
1923 gtk_widget_show(GTK_WIDGET(viewer->prev_page));
1924 g_object_ref(GTK_WIDGET(viewer->prev_page));
1925
1926 gtk_widget_show(GTK_WIDGET(viewer->next_page));
1927 g_object_ref(GTK_WIDGET(viewer->next_page));
1928
1929 gtk_widget_show(GTK_WIDGET(viewer->zoom_in));
1930 g_object_ref(GTK_WIDGET(viewer->zoom_in));
1931 gtk_widget_show(GTK_WIDGET(viewer->zoom_out));
1932 g_object_ref(GTK_WIDGET(viewer->zoom_out));
1933 gtk_widget_show(GTK_WIDGET(viewer->zoom_fit));
1934 g_object_ref(GTK_WIDGET(viewer->zoom_fit));
1935 gtk_widget_show(GTK_WIDGET(viewer->zoom_width));
1936 g_object_ref(GTK_WIDGET(viewer->zoom_width));
1937
1938 gtk_widget_show(GTK_WIDGET(viewer->rotate_right));
1939 g_object_ref(GTK_WIDGET(viewer->rotate_right));
1940 gtk_widget_show(GTK_WIDGET(viewer->rotate_left));
1941 g_object_ref(GTK_WIDGET(viewer->rotate_left));
1942 gtk_widget_show(GTK_WIDGET(viewer->print));
1943 g_object_ref(GTK_WIDGET(viewer->print));
1944 gtk_widget_show(GTK_WIDGET(viewer->doc_info));
1945 g_object_ref(GTK_WIDGET(viewer->doc_info));
1946 gtk_widget_show(GTK_WIDGET(viewer->doc_index));
1947 g_object_ref(GTK_WIDGET(viewer->doc_index));
1948
1949 gtk_widget_show(GTK_WIDGET(viewer->doc_label));
1950 g_object_ref(GTK_WIDGET(viewer->doc_label));
1951 gtk_widget_show(GTK_WIDGET(viewer->icon_type));
1952 g_object_ref(GTK_WIDGET(viewer->icon_type));
1953 gtk_widget_show(GTK_WIDGET(viewer->pdf_view));
1954 g_object_ref(GTK_WIDGET(viewer->pdf_view));
1955 gtk_widget_show(GTK_WIDGET(viewer->zoom_scroll));
1956 g_object_ref(GTK_WIDGET(viewer->zoom_scroll));
1957
1958 gtk_widget_show(GTK_WIDGET(viewer->index_list));
1959 g_object_ref(GTK_WIDGET(viewer->index_list));
1960
1961 /* Set Tooltips*/
1962 CLAWS_SET_TIP(viewer->first_page,
1963 _("First Page"));
1964
1965 CLAWS_SET_TIP(viewer->prev_page,
1966 _("Previous Page"));
1967
1968 CLAWS_SET_TIP(viewer->next_page,
1969 _("Next Page"));
1970
1971 CLAWS_SET_TIP(viewer->last_page,
1972 _("Last Page"));
1973
1974 CLAWS_SET_TIP(viewer->zoom_in,
1975 _("Zoom In"));
1976 CLAWS_SET_TIP(viewer->zoom_out,
1977 _("Zoom Out"));
1978
1979 CLAWS_SET_TIP(viewer->zoom_fit,
1980 _("Fit Page"));
1981
1982 CLAWS_SET_TIP(viewer->zoom_width,
1983 _("Fit Page Width"));
1984
1985 CLAWS_SET_TIP(viewer->rotate_left,
1986 _("Rotate Left"));
1987
1988 CLAWS_SET_TIP(viewer->rotate_right,
1989 _("Rotate Right"));
1990
1991 CLAWS_SET_TIP(viewer->print,
1992 _("Print Document"));
1993
1994 CLAWS_SET_TIP(viewer->doc_info,
1995 _("Document Info"));
1996
1997 CLAWS_SET_TIP(viewer->doc_index,
1998 _("Document Index"));
1999 CLAWS_SET_TIP(viewer->cur_page,
2000 _("Page Number"));
2001 CLAWS_SET_TIP(viewer->zoom_scroll,
2002 _("Zoom Factor"));
2003 /* Connect Signals */
2004 g_signal_connect(G_OBJECT(viewer->cur_page),
2005 "value-changed",
2006 G_CALLBACK(pdf_viewer_spin_change_page_cb),
2007 (gpointer) viewer);
2008
2009 g_signal_connect(G_OBJECT(viewer->first_page),
2010 "clicked",
2011 G_CALLBACK(pdf_viewer_button_first_page_cb),
2012 (gpointer) viewer);
2013 g_signal_connect(G_OBJECT(viewer->prev_page),
2014 "clicked",
2015 G_CALLBACK(pdf_viewer_button_prev_page_cb),
2016 (gpointer) viewer);
2017 g_signal_connect(G_OBJECT(viewer->next_page),
2018 "clicked",
2019 G_CALLBACK(pdf_viewer_button_next_page_cb),
2020 (gpointer) viewer);
2021 g_signal_connect(G_OBJECT(viewer->last_page),
2022 "clicked",
2023 G_CALLBACK(pdf_viewer_button_last_page_cb),
2024 (gpointer) viewer);
2025 g_signal_connect(G_OBJECT(viewer->zoom_in),
2026 "clicked",
2027 G_CALLBACK(pdf_viewer_button_zoom_in_cb),
2028 (gpointer) viewer);
2029 g_signal_connect(G_OBJECT(viewer->zoom_out),
2030 "clicked",
2031 G_CALLBACK(pdf_viewer_button_zoom_out_cb),
2032 (gpointer) viewer);
2033 g_signal_connect(G_OBJECT(viewer->zoom_scroll),
2034 "value-changed",
2035 G_CALLBACK(pdf_viewer_spin_zoom_scroll_cb),
2036 (gpointer) viewer);
2037
2038 g_signal_connect(G_OBJECT(viewer->zoom_fit),
2039 "clicked",
2040 G_CALLBACK(pdf_viewer_button_zoom_fit_cb),
2041 (gpointer) viewer);
2042
2043 g_signal_connect(G_OBJECT(viewer->zoom_width),
2044 "clicked",
2045 G_CALLBACK(pdf_viewer_button_zoom_width_cb),
2046 (gpointer) viewer);
2047
2048 g_signal_connect(G_OBJECT(viewer->rotate_right),
2049 "clicked",
2050 G_CALLBACK(pdf_viewer_button_rotate_right_cb),
2051 (gpointer) viewer);
2052
2053 g_signal_connect(G_OBJECT(viewer->rotate_left),
2054 "clicked",
2055 G_CALLBACK(pdf_viewer_button_rotate_left_cb),
2056 (gpointer) viewer);
2057
2058 g_signal_connect(G_OBJECT(viewer->print),
2059 "clicked",
2060 G_CALLBACK(pdf_viewer_button_print_cb),
2061 (gpointer) viewer);
2062
2063 g_signal_connect(G_OBJECT(viewer->doc_info),
2064 "clicked",
2065 G_CALLBACK(pdf_viewer_button_document_info_cb),
2066 (gpointer) viewer);
2067
2068 g_signal_connect(G_OBJECT(viewer->doc_index),
2069 "clicked",
2070 G_CALLBACK(pdf_viewer_show_document_index_cb),
2071 (gpointer) viewer);
2072 g_signal_connect(G_OBJECT(viewer->scrollwin),
2073 "scroll-event",
2074 G_CALLBACK(pdf_viewer_scroll_cb),
2075 (gpointer) viewer);
2076 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2077 "button_press_event",
2078 G_CALLBACK(pdf_viewer_button_press_events_cb),
2079 (gpointer) viewer);
2080 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2081 "button_release_event",
2082 G_CALLBACK(pdf_viewer_mouse_scroll_destroy_cb),
2083 (gpointer) viewer);
2084 g_signal_connect(G_OBJECT(viewer->pdf_view_ebox),
2085 "motion_notify_event",
2086 G_CALLBACK(pdf_viewer_move_events_cb),
2087 (gpointer) viewer);
2088
2089 viewer->target_filename = NULL;
2090 viewer->filename = NULL;
2091 viewer->fsname = NULL;
2092
2093 return(MimeViewer *) viewer;
2094 }
2095
2096 #undef ADD_BUTTON_TO_TABLE
2097 #undef ADD_TOGGLE_BUTTON_TO_TABLE
2098 #undef ADD_SEP_TO_TABLE
2099 #undef BUTTON_H_PADDING
2100 #undef SEP_H_PADDING
2101
2102 static MimeViewerFactory pdf_viewer_factory =
2103 {
2104 content_types,
2105 0,
2106 pdf_viewer_create,
2107 };
2108
plugin_init(gchar ** error)2109 gint plugin_init(gchar **error)
2110 {
2111 gchar *gspath = NULL;
2112
2113 msg = g_strdup_printf(_("This plugin enables the viewing of PDF and PostScript "
2114 "attachments using the Poppler %s Lib and the gs tool.\n\n"
2115 "Any feedback is welcome: iwkse@claws-mail.org"
2116 ), poppler_get_version());
2117
2118 if (!check_plugin_version(MAKE_NUMERIC_VERSION(3,8,1,46),
2119 VERSION_NUMERIC, _("PDF Viewer"), error)) return -1;
2120
2121 if ((gspath = g_find_program_in_path("gs")) == NULL) {
2122 gchar *pmsg = msg;
2123 msg = g_strdup_printf(_("Warning: could not find ghostscript binary (gs) required "
2124 "for %s plugin to process PostScript attachments, only PDF "
2125 "attachments will be displayed. To enable PostScript "
2126 "support please install gs program.\n\n%s"
2127 ), _("PDF Viewer"), pmsg);
2128 g_free(pmsg);
2129 }
2130 else {
2131 g_free(gspath);
2132 }
2133
2134 mimeview_register_viewer_factory(&pdf_viewer_factory);
2135 return 0;
2136 }
2137
plugin_done(void)2138 gboolean plugin_done(void)
2139 {
2140 g_free(msg);
2141 mimeview_unregister_viewer_factory(&pdf_viewer_factory);
2142 return TRUE;
2143 }
2144
plugin_name(void)2145 const gchar *plugin_name(void)
2146 {
2147 return _("PDF Viewer");
2148 }
2149
plugin_desc(void)2150 const gchar *plugin_desc(void)
2151 {
2152 return msg;
2153 }
2154
plugin_type(void)2155 const gchar *plugin_type(void)
2156 {
2157 return "GTK2";
2158 }
2159
plugin_licence(void)2160 const gchar *plugin_licence(void)
2161 {
2162 return "GPL3+";
2163 }
2164
plugin_version(void)2165 const gchar *plugin_version(void)
2166 {
2167 return VERSION;
2168 }
2169
plugin_provides(void)2170 struct PluginFeature *plugin_provides(void)
2171 {
2172 static struct PluginFeature features[] =
2173 { {PLUGIN_MIMEVIEWER, "application/pdf"},
2174 {PLUGIN_MIMEVIEWER, "application/postscript"},
2175 {PLUGIN_NOTHING, NULL} };
2176 return features;
2177 }
2178
2179