1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
4 * Copyright (C) 2004, 2005 Anders Carlsson <andersca@gnome.org>
7 * Jonathan Blandford <jrb@alum.mit.edu>
8 * Anders Carlsson <andersca@gnome.org>
10 * Evince is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * Evince is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
31 #include <glib/gi18n.h>
34 #include "ev-document-misc.h"
35 #include "ev-document-thumbnails.h"
36 #include "ev-job-scheduler.h"
37 #include "ev-sidebar-page.h"
38 #include "ev-sidebar-thumbnails.h"
40 #include "ev-window.h"
42 #define THUMBNAIL_WIDTH 100
44 /* The IconView doesn't scale nearly as well as the TreeView, so we arbitrarily
46 #define MAX_ICON_VIEW_PAGE_COUNT 1500
48 typedef struct _EvThumbsSize
54 typedef struct _EvThumbsSizeCache {
61 struct _EvSidebarThumbnailsPrivate {
65 GtkAdjustment *vadjustment;
66 GtkListStore *list_store;
67 GHashTable *loading_icons;
69 EvDocumentModel *model;
70 EvThumbsSizeCache *size_cache;
72 gint n_pages, pages_done;
75 gboolean inverted_colors;
78 gint start_page, end_page;
94 static void ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar);
95 static gboolean ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
96 EvDocument *document);
97 static void ev_sidebar_thumbnails_page_iface_init (EvSidebarPageIface *iface);
98 static const gchar* ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page);
99 static void thumbnail_job_completed_callback (EvJobThumbnail *job,
100 EvSidebarThumbnails *sidebar_thumbnails);
101 static void adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails);
103 G_DEFINE_TYPE_EXTENDED (EvSidebarThumbnails,
104 ev_sidebar_thumbnails,
107 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
108 ev_sidebar_thumbnails_page_iface_init))
110 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
111 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
113 /* Thumbnails dimensions cache */
114 #define EV_THUMBNAILS_SIZE_CACHE_KEY "ev-thumbnails-size-cache"
116 static EvThumbsSizeCache *
117 ev_thumbnails_size_cache_new (EvDocument *document)
119 EvThumbsSizeCache *cache;
120 EvRenderContext *rc = NULL;
122 EvThumbsSize *thumb_size;
124 cache = g_new0 (EvThumbsSizeCache, 1);
126 n_pages = ev_document_get_n_pages (document);
128 /* Assume all pages are the same size until proven otherwise */
129 cache->uniform = TRUE;
131 for (i = 0; i < n_pages; i++) {
133 gdouble page_width, page_height;
134 gint thumb_width = 0;
135 gint thumb_height = 0;
137 page = ev_document_get_page (document, i);
139 ev_document_get_page_size (document, i, &page_width, &page_height);
142 rc = ev_render_context_new (page, 0, (gdouble)THUMBNAIL_WIDTH / page_width);
144 ev_render_context_set_page (rc, page);
145 ev_render_context_set_scale (rc, (gdouble)THUMBNAIL_WIDTH / page_width);
148 ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (document),
149 rc, &thumb_width, &thumb_height);
152 cache->uniform_width = thumb_width;
153 cache->uniform_height = thumb_height;
154 } else if (cache->uniform &&
155 (cache->uniform_width != thumb_width ||
156 cache->uniform_height != thumb_height)) {
157 /* It's a different thumbnail size. Backfill the array. */
160 cache->sizes = g_new0 (EvThumbsSize, n_pages);
162 for (j = 0; j < i; j++) {
163 thumb_size = &(cache->sizes[j]);
164 thumb_size->width = cache->uniform_width;
165 thumb_size->height = cache->uniform_height;
167 cache->uniform = FALSE;
170 if (! cache->uniform) {
171 thumb_size = &(cache->sizes[i]);
173 thumb_size->width = thumb_width;
174 thumb_size->height = thumb_height;
177 g_object_unref (page);
188 ev_thumbnails_size_cache_get_size (EvThumbsSizeCache *cache,
196 if (cache->uniform) {
197 w = cache->uniform_width;
198 h = cache->uniform_height;
200 EvThumbsSize *thumb_size;
202 thumb_size = &(cache->sizes[page]);
204 w = thumb_size->width;
205 h = thumb_size->height;
208 if (rotation == 0 || rotation == 180) {
209 if (width) *width = w;
210 if (height) *height = h;
212 if (width) *width = h;
213 if (height) *height = w;
218 ev_thumbnails_size_cache_free (EvThumbsSizeCache *cache)
221 g_free (cache->sizes);
228 static EvThumbsSizeCache *
229 ev_thumbnails_size_cache_get (EvDocument *document)
231 EvThumbsSizeCache *cache;
233 cache = g_object_get_data (G_OBJECT (document), EV_THUMBNAILS_SIZE_CACHE_KEY);
235 cache = ev_thumbnails_size_cache_new (document);
236 g_object_set_data_full (G_OBJECT (document),
237 EV_THUMBNAILS_SIZE_CACHE_KEY,
239 (GDestroyNotify)ev_thumbnails_size_cache_free);
247 ev_sidebar_thumbnails_dispose (GObject *object)
249 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
251 if (sidebar_thumbnails->priv->loading_icons) {
252 g_hash_table_destroy (sidebar_thumbnails->priv->loading_icons);
253 sidebar_thumbnails->priv->loading_icons = NULL;
256 if (sidebar_thumbnails->priv->list_store) {
257 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
258 g_object_unref (sidebar_thumbnails->priv->list_store);
259 sidebar_thumbnails->priv->list_store = NULL;
262 G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object);
266 ev_sidebar_thumbnails_get_property (GObject *object,
271 EvSidebarThumbnails *sidebar = EV_SIDEBAR_THUMBNAILS (object);
275 if (sidebar->priv->tree_view)
276 g_value_set_object (value, sidebar->priv->tree_view);
278 g_value_set_object (value, sidebar->priv->icon_view);
281 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
287 ev_sidebar_thumbnails_map (GtkWidget *widget)
289 EvSidebarThumbnails *sidebar;
291 sidebar = EV_SIDEBAR_THUMBNAILS (widget);
293 GTK_WIDGET_CLASS (ev_sidebar_thumbnails_parent_class)->map (widget);
295 adjustment_changed_cb (sidebar);
299 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
301 GObjectClass *g_object_class;
302 GtkObjectClass *gtk_object_class;
303 GtkWidgetClass *widget_class;
305 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
306 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
307 widget_class = GTK_WIDGET_CLASS (ev_sidebar_thumbnails_class);
309 g_object_class->dispose = ev_sidebar_thumbnails_dispose;
310 g_object_class->get_property = ev_sidebar_thumbnails_get_property;
311 widget_class->map = ev_sidebar_thumbnails_map;
313 g_object_class_override_property (g_object_class,
317 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
321 ev_sidebar_thumbnails_new (void)
323 GtkWidget *ev_sidebar_thumbnails;
325 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
327 return ev_sidebar_thumbnails;
331 ev_sidebar_thumbnails_get_loading_icon (EvSidebarThumbnails *sidebar_thumbnails,
338 key = g_strdup_printf ("%dx%d", width, height);
339 icon = g_hash_table_lookup (sidebar_thumbnails->priv->loading_icons, key);
341 icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
342 g_hash_table_insert (sidebar_thumbnails->priv->loading_icons,
352 clear_range (EvSidebarThumbnails *sidebar_thumbnails,
356 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
360 gint prev_width = -1;
361 gint prev_height = -1;
363 g_assert (start_page <= end_page);
365 path = gtk_tree_path_new_from_indices (start_page, -1);
366 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
367 result && start_page <= end_page;
368 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), start_page ++) {
370 GdkPixbuf *loading_icon = NULL;
373 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
379 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, sidebar_thumbnails);
380 ev_job_cancel (EV_JOB (job));
381 g_object_unref (job);
384 ev_thumbnails_size_cache_get_size (priv->size_cache, start_page,
387 if (!loading_icon || (width != prev_width && height != prev_height)) {
389 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
394 prev_height = height;
396 gtk_list_store_set (priv->list_store, &iter,
398 COLUMN_THUMBNAIL_SET, FALSE,
399 COLUMN_PIXBUF, loading_icon,
402 gtk_tree_path_free (path);
406 get_scale_for_page (EvSidebarThumbnails *sidebar_thumbnails,
409 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
412 ev_document_get_page_size (priv->document, page, &width, NULL);
414 return (gdouble)THUMBNAIL_WIDTH / width;
418 add_range (EvSidebarThumbnails *sidebar_thumbnails,
422 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
426 gint page = start_page;
428 g_assert (start_page <= end_page);
430 path = gtk_tree_path_new_from_indices (start_page, -1);
431 for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
432 result && page <= end_page;
433 result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), page ++) {
435 gboolean thumbnail_set;
437 gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
439 COLUMN_THUMBNAIL_SET, &thumbnail_set,
442 if (job == NULL && !thumbnail_set) {
443 job = ev_job_thumbnail_new (priv->document,
444 page, priv->rotation,
445 get_scale_for_page (sidebar_thumbnails, page));
446 ev_job_scheduler_push_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
448 g_object_set_data_full (G_OBJECT (job), "tree_iter",
449 gtk_tree_iter_copy (&iter),
450 (GDestroyNotify) gtk_tree_iter_free);
451 g_signal_connect (job, "finished",
452 G_CALLBACK (thumbnail_job_completed_callback),
454 gtk_list_store_set (priv->list_store, &iter,
458 /* The queue and the list own a ref to the job now */
459 g_object_unref (job);
461 g_object_unref (job);
464 gtk_tree_path_free (path);
467 /* This modifies start */
469 update_visible_range (EvSidebarThumbnails *sidebar_thumbnails,
473 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
474 int old_start_page, old_end_page;
476 old_start_page = priv->start_page;
477 old_end_page = priv->end_page;
479 if (start_page == old_start_page &&
480 end_page == old_end_page)
483 /* Clear the areas we no longer display */
484 if (old_start_page >= 0 && old_start_page < start_page)
485 clear_range (sidebar_thumbnails, old_start_page, MIN (start_page - 1, old_end_page));
487 if (old_end_page > 0 && old_end_page > end_page)
488 clear_range (sidebar_thumbnails, MAX (end_page + 1, old_start_page), old_end_page);
490 add_range (sidebar_thumbnails, start_page, end_page);
492 priv->start_page = start_page;
493 priv->end_page = end_page;
497 adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
499 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
500 GtkTreePath *path = NULL;
501 GtkTreePath *path2 = NULL;
505 /* Widget is not currently visible */
506 if (!GTK_WIDGET_MAPPED (sidebar_thumbnails))
509 if (priv->vadjustment->page_size == 0)
512 if (priv->tree_view) {
513 if (! GTK_WIDGET_REALIZED (priv->tree_view))
516 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
517 0, (int) priv->vadjustment->value,
519 gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
520 0, (int) (priv->vadjustment->value + priv->vadjustment->page_size),
522 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
525 gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
528 } else if (priv->icon_view) {
529 if (! GTK_WIDGET_REALIZED (priv->icon_view))
531 if (! gtk_icon_view_get_visible_range (GTK_ICON_VIEW (priv->icon_view), &path, &path2))
538 update_visible_range (sidebar_thumbnails,
539 gtk_tree_path_get_indices (path)[0],
540 gtk_tree_path_get_indices (path2)[0]);
543 gtk_tree_path_free (path);
544 gtk_tree_path_free (path2);
548 ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
550 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
553 gint prev_width = -1;
554 gint prev_height = -1;
556 for (i = 0; i < sidebar_thumbnails->priv->n_pages; i++) {
559 GdkPixbuf *loading_icon = NULL;
562 page_label = ev_document_get_page_label (priv->document, i);
563 page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
564 ev_thumbnails_size_cache_get_size (sidebar_thumbnails->priv->size_cache, i,
565 sidebar_thumbnails->priv->rotation,
567 if (!loading_icon || (width != prev_width && height != prev_height)) {
569 ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
574 prev_height = height;
576 gtk_list_store_append (priv->list_store, &iter);
577 gtk_list_store_set (priv->list_store, &iter,
578 COLUMN_PAGE_STRING, page_string,
579 COLUMN_PIXBUF, loading_icon,
580 COLUMN_THUMBNAIL_SET, FALSE,
583 g_free (page_string);
588 ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
589 EvSidebarThumbnails *ev_sidebar_thumbnails)
591 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
596 if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
599 path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store),
601 page = gtk_tree_path_get_indices (path)[0];
602 gtk_tree_path_free (path);
604 ev_document_model_set_page (priv->model, page);
608 ev_sidebar_icon_selection_changed (GtkIconView *icon_view,
609 EvSidebarThumbnails *ev_sidebar_thumbnails)
611 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
616 selected = gtk_icon_view_get_selected_items (icon_view);
617 if (selected == NULL)
620 /* We don't handle or expect multiple selection. */
621 g_assert (selected->next == NULL);
623 path = selected->data;
624 page = gtk_tree_path_get_indices (path)[0];
626 gtk_tree_path_free (path);
627 g_list_free (selected);
629 ev_document_model_set_page (priv->model, page);
633 ev_sidebar_init_tree_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
635 EvSidebarThumbnailsPrivate *priv;
636 GtkTreeSelection *selection;
637 GtkCellRenderer *renderer;
639 priv = ev_sidebar_thumbnails->priv;
640 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
642 selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
643 g_signal_connect (selection, "changed",
644 G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails);
645 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
646 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
650 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
654 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
655 NULL, gtk_cell_renderer_text_new (),
657 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->tree_view);
658 gtk_widget_show (priv->tree_view);
662 ev_sidebar_init_icon_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
664 EvSidebarThumbnailsPrivate *priv;
666 priv = ev_sidebar_thumbnails->priv;
668 priv->icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
669 gtk_icon_view_set_markup_column (GTK_ICON_VIEW (priv->icon_view), 0);
670 gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (priv->icon_view), 1);
671 g_signal_connect (priv->icon_view, "selection-changed",
672 G_CALLBACK (ev_sidebar_icon_selection_changed), ev_sidebar_thumbnails);
674 gtk_container_add (GTK_CONTAINER (priv->swindow), priv->icon_view);
675 gtk_widget_show (priv->icon_view);
679 ev_sidebar_thumbnails_use_icon_view (EvSidebarThumbnails *sidebar_thumbnails)
681 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
683 return (ev_document_get_n_pages (priv->document) <= MAX_ICON_VIEW_PAGE_COUNT);
687 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
689 EvSidebarThumbnailsPrivate *priv;
691 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
693 priv->list_store = gtk_list_store_new (NUM_COLUMNS,
697 EV_TYPE_JOB_THUMBNAIL);
699 priv->swindow = gtk_scrolled_window_new (NULL, NULL);
701 /* We actually don't want GTK_POLICY_AUTOMATIC for horizontal scrollbar here
702 * it's just a workaround for bug #449462
704 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->swindow),
705 GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
706 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->swindow),
708 priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->swindow));
709 g_signal_connect_data (priv->vadjustment, "value-changed",
710 G_CALLBACK (adjustment_changed_cb),
711 ev_sidebar_thumbnails, NULL,
712 G_CONNECT_SWAPPED | G_CONNECT_AFTER);
713 g_signal_connect_swapped (priv->swindow, "size-allocate",
714 G_CALLBACK (adjustment_changed_cb),
715 ev_sidebar_thumbnails);
716 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);
718 /* Put it all together */
719 gtk_widget_show_all (priv->swindow);
723 ev_sidebar_thumbnails_set_current_page (EvSidebarThumbnails *sidebar,
726 GtkTreeView *tree_view;
729 path = gtk_tree_path_new_from_indices (page, -1);
731 if (sidebar->priv->tree_view) {
732 tree_view = GTK_TREE_VIEW (sidebar->priv->tree_view);
733 gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE);
734 gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
735 } else if (sidebar->priv->icon_view) {
737 g_signal_handlers_block_by_func
738 (sidebar->priv->icon_view,
739 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
741 gtk_icon_view_select_path (GTK_ICON_VIEW (sidebar->priv->icon_view), path);
743 g_signal_handlers_unblock_by_func
744 (sidebar->priv->icon_view,
745 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
747 gtk_icon_view_set_cursor (GTK_ICON_VIEW (sidebar->priv->icon_view), path, NULL, FALSE);
750 gtk_tree_path_free (path);
754 page_changed_cb (EvSidebarThumbnails *sidebar,
758 ev_sidebar_thumbnails_set_current_page (sidebar, new_page);
762 refresh (EvSidebarThumbnails *sidebar_thumbnails)
764 adjustment_changed_cb (sidebar_thumbnails);
769 ev_sidebar_thumbnails_reload (EvSidebarThumbnails *sidebar_thumbnails)
771 EvDocumentModel *model;
773 if (sidebar_thumbnails->priv->loading_icons)
774 g_hash_table_remove_all (sidebar_thumbnails->priv->loading_icons);
776 if (sidebar_thumbnails->priv->document == NULL ||
777 sidebar_thumbnails->priv->n_pages <= 0)
780 model = sidebar_thumbnails->priv->model;
782 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
783 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
785 /* Trigger a redraw */
786 sidebar_thumbnails->priv->start_page = -1;
787 sidebar_thumbnails->priv->end_page = -1;
788 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
789 ev_document_model_get_page (model));
790 g_idle_add ((GSourceFunc)refresh, sidebar_thumbnails);
794 ev_sidebar_thumbnails_rotation_changed_cb (EvDocumentModel *model,
796 EvSidebarThumbnails *sidebar_thumbnails)
798 gint rotation = ev_document_model_get_rotation (model);
800 sidebar_thumbnails->priv->rotation = rotation;
801 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
805 ev_sidebar_thumbnails_inverted_colors_changed_cb (EvDocumentModel *model,
807 EvSidebarThumbnails *sidebar_thumbnails)
809 gboolean inverted_colors = ev_document_model_get_inverted_colors (model);
811 sidebar_thumbnails->priv->inverted_colors = inverted_colors;
812 ev_sidebar_thumbnails_reload (sidebar_thumbnails);
816 thumbnail_job_completed_callback (EvJobThumbnail *job,
817 EvSidebarThumbnails *sidebar_thumbnails)
819 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
822 iter = (GtkTreeIter *) g_object_get_data (G_OBJECT (job), "tree_iter");
823 if (priv->inverted_colors)
824 ev_document_misc_invert_pixbuf (job->thumbnail);
825 gtk_list_store_set (priv->list_store,
827 COLUMN_PIXBUF, job->thumbnail,
828 COLUMN_THUMBNAIL_SET, TRUE,
834 ev_sidebar_thumbnails_document_changed_cb (EvDocumentModel *model,
836 EvSidebarThumbnails *sidebar_thumbnails)
838 EvDocument *document = ev_document_model_get_document (model);
839 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
841 if (!EV_IS_DOCUMENT_THUMBNAILS (document) ||
842 ev_document_get_n_pages (document) <= 0 ||
843 !ev_document_check_dimensions (document)) {
847 priv->size_cache = ev_thumbnails_size_cache_get (document);
848 priv->document = document;
849 priv->n_pages = ev_document_get_n_pages (document);
850 priv->rotation = ev_document_model_get_rotation (model);
851 priv->inverted_colors = ev_document_model_get_inverted_colors (model);
852 priv->loading_icons = g_hash_table_new_full (g_str_hash,
854 (GDestroyNotify)g_free,
855 (GDestroyNotify)g_object_unref);
857 ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
858 ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
860 /* Create the view widget, and remove the old one, if needed */
861 if (ev_sidebar_thumbnails_use_icon_view (sidebar_thumbnails)) {
862 if (priv->tree_view) {
863 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->tree_view);
864 priv->tree_view = NULL;
867 if (! priv->icon_view) {
868 ev_sidebar_init_icon_view (sidebar_thumbnails);
869 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
871 gtk_widget_queue_resize (priv->icon_view);
874 if (priv->icon_view) {
875 gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->icon_view);
876 priv->icon_view = NULL;
879 if (! priv->tree_view) {
880 ev_sidebar_init_tree_view (sidebar_thumbnails);
881 g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
885 /* Connect to the signal and trigger a fake callback */
886 g_signal_connect_swapped (priv->model, "page-changed",
887 G_CALLBACK (page_changed_cb),
889 g_signal_connect (priv->model, "notify::rotation",
890 G_CALLBACK (ev_sidebar_thumbnails_rotation_changed_cb),
892 g_signal_connect (priv->model, "notify::inverted-colors",
893 G_CALLBACK (ev_sidebar_thumbnails_inverted_colors_changed_cb),
895 sidebar_thumbnails->priv->start_page = -1;
896 sidebar_thumbnails->priv->end_page = -1;
897 ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
898 ev_document_model_get_page (model));
899 adjustment_changed_cb (sidebar_thumbnails);
903 ev_sidebar_thumbnails_set_model (EvSidebarPage *sidebar_page,
904 EvDocumentModel *model)
906 EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (sidebar_page);
907 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
909 if (priv->model == model)
913 g_signal_connect (model, "notify::document",
914 G_CALLBACK (ev_sidebar_thumbnails_document_changed_cb),
919 ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,
926 gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
930 g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
931 g_object_unref (job);
938 ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
940 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
942 gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
943 gtk_list_store_clear (priv->list_store);
947 ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page,
948 EvDocument *document)
950 return (EV_IS_DOCUMENT_THUMBNAILS (document));
954 ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page)
956 return _("Thumbnails");
960 ev_sidebar_thumbnails_page_iface_init (EvSidebarPageIface *iface)
962 iface->support_document = ev_sidebar_thumbnails_support_document;
963 iface->set_model = ev_sidebar_thumbnails_set_model;
964 iface->get_label = ev_sidebar_thumbnails_get_label;