X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=inline;f=shell%2Fev-sidebar-thumbnails.c;h=b4622f6ebb9523d0975cfedf98226f87346bc3f0;hb=refs%2Ftags%2FEVINCE_0_1_8;hp=3d41db1a65152c280032fe2c220dd45f53477a57;hpb=ebc72ce5deb2057b5c1445c6618262e23a63a9ac;p=evince.git diff --git a/shell/ev-sidebar-thumbnails.c b/shell/ev-sidebar-thumbnails.c index 3d41db1a..b4622f6e 100644 --- a/shell/ev-sidebar-thumbnails.c +++ b/shell/ev-sidebar-thumbnails.c @@ -1,7 +1,7 @@ /* this file is part of evince, a gnome document viewer * * Copyright (C) 2004 Red Hat, Inc. - * Copyright (C) 2004 Anders Carlsson + * Copyright (C) 2004, 2005 Anders Carlsson * * Authors: * Jonathan Blandford @@ -31,29 +31,33 @@ #include "ev-sidebar-thumbnails.h" #include "ev-document-thumbnails.h" +#include "ev-document-misc.h" +#include "ev-window.h" #include "ev-utils.h" -#define THUMBNAIL_WIDTH 96 +#define THUMBNAIL_WIDTH 100 + /* Amount of time we devote to each iteration of the idle, in microseconds */ #define IDLE_WORK_LENGTH 5000 struct _EvSidebarThumbnailsPrivate { GtkWidget *tree_view; + GtkAdjustment *vadjustment; GtkListStore *list_store; EvDocument *document; - + guint idle_id; - gint current_page, n_pages; + gint current_page, n_pages, pages_done; + GtkTreeIter current_page_iter; }; enum { COLUMN_PAGE_STRING, COLUMN_PIXBUF, + COLUMN_THUMBNAIL_SET, NUM_COLUMNS }; -static GtkVBoxClass *parent_class; - G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX); #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \ @@ -64,14 +68,14 @@ ev_sidebar_thumbnails_destroy (GtkObject *object) { EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object); EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; - + if (priv->idle_id != 0) { g_source_remove (priv->idle_id); priv->idle_id = 0; } - - GTK_OBJECT_CLASS (parent_class)->destroy (object); + + GTK_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->destroy (object); } static void @@ -79,37 +83,107 @@ ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnail { GObjectClass *g_object_class; GtkObjectClass *gtk_object_class; - + g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class); gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class); - parent_class = g_type_class_peek_parent (ev_sidebar_thumbnails_class); - gtk_object_class->destroy = ev_sidebar_thumbnails_destroy; - + g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate)); } +static void +adjustment_changed_cb (GtkAdjustment *adjustment, + EvSidebarThumbnails *ev_sidebar_thumbnails) +{ + EvSidebarThumbnailsPrivate *priv; + GtkTreePath *path; + GtkTreeIter iter; + int page; + gboolean thumbnail_set; + + priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails); + + gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view), + 1, 1, &path, + NULL, NULL, NULL); + if (!path) + return; + + page = gtk_tree_path_get_indices (path)[0] + 1; + if (page == priv->current_page) + return; + gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), + &iter, path); + gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter, + COLUMN_THUMBNAIL_SET, &thumbnail_set, + -1); + if (!thumbnail_set) { + priv->current_page = page; + priv->current_page_iter = iter; + + } +} + +static void +ev_sidebar_tree_selection_changed (GtkTreeSelection *selection, + EvSidebarThumbnails *ev_sidebar_thumbnails) +{ + EvSidebarThumbnailsPrivate *priv; + GtkWidget *window; + GtkTreePath *path; + GtkTreeIter iter; + int page; + + priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails); + + if (!gtk_tree_selection_get_selected (selection, NULL, &iter)) + return; + + path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store), + &iter); + + page = gtk_tree_path_get_indices (path)[0] + 1; + + gtk_tree_path_free (path); + + window = gtk_widget_get_ancestor (GTK_WIDGET (ev_sidebar_thumbnails), + EV_TYPE_WINDOW); + if (window && ev_document_get_page (priv->document) != page) { + ev_window_open_page (EV_WINDOW (window), page); + } +} + static void ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails) { GtkWidget *swindow; EvSidebarThumbnailsPrivate *priv; + GtkCellRenderer *renderer; + GtkTreeSelection *selection; priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails); - - priv->list_store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, GDK_TYPE_PIXBUF); + + priv->list_store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, GDK_TYPE_PIXBUF, G_TYPE_BOOLEAN); priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store)); - + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view)); + g_signal_connect (selection, "changed", + G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails); gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE); + renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF, + "xpad", 2, + "ypad", 2, + NULL); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1, - NULL, gtk_cell_renderer_pixbuf_new (), - "pixbuf", 1, NULL); + NULL, renderer, + "pixbuf", 1, + NULL); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1, NULL, gtk_cell_renderer_text_new (), - "text", 0, NULL); - + "markup", 0, NULL); + g_object_unref (priv->list_store); swindow = gtk_scrolled_window_new (NULL, NULL); @@ -117,10 +191,13 @@ ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails) GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC); gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow), GTK_SHADOW_IN); - + priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (swindow)); + g_signal_connect (G_OBJECT (priv->vadjustment), "value-changed", + G_CALLBACK (adjustment_changed_cb), + ev_sidebar_thumbnails); gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view); gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), swindow, TRUE, TRUE, 0); - + gtk_widget_show_all (swindow); } @@ -138,34 +215,40 @@ static gboolean do_one_iteration (EvSidebarThumbnails *ev_sidebar_thumbnails) { EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; - GdkPixbuf *tmp, *pixbuf; - GtkTreePath *path; - GtkTreeIter iter; - - tmp = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (priv->document), - priv->current_page, THUMBNAIL_WIDTH); - -#if 1 - /* Don't add the shadow for now, as it's really slow */ - pixbuf = g_object_ref (tmp); -#else - /* Add shadow */ - pixbuf = ev_pixbuf_add_shadow (tmp, 5, 0, 0, 0.5); -#endif - path = gtk_tree_path_new_from_indices (priv->current_page, -1); - gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path); - gtk_tree_path_free (path); + GdkPixbuf *pixbuf; + gboolean thumbnail_set; - gtk_list_store_set (priv->list_store, &iter, - COLUMN_PIXBUF, pixbuf, + gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), + &(priv->current_page_iter), + COLUMN_THUMBNAIL_SET, &thumbnail_set, -1); + if (!thumbnail_set) { + pixbuf = ev_document_thumbnails_get_thumbnail + (EV_DOCUMENT_THUMBNAILS (priv->document), + priv->current_page, THUMBNAIL_WIDTH, TRUE); + + gtk_list_store_set (priv->list_store, + &(priv->current_page_iter), + COLUMN_PIXBUF, pixbuf, + COLUMN_THUMBNAIL_SET, TRUE, + -1); + + g_object_unref (pixbuf); + priv->pages_done ++; + } - g_object_unref (tmp); - g_object_unref (pixbuf); - priv->current_page++; - - if (priv->current_page == priv->n_pages) + + if (priv->current_page > priv->n_pages) { + priv->current_page = 1; + gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->list_store), + &(priv->current_page_iter)); + } else { + gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), + &(priv->current_page_iter)); + } + + if (priv->pages_done == priv->n_pages) return FALSE; else return TRUE; @@ -175,14 +258,36 @@ static gboolean populate_thumbnails_idle (gpointer data) { GTimer *timer; - gint i; - gulong microseconds = 0; + int i; + gdouble time_elapsed = 0; EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data); EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; - if (priv->current_page == priv->n_pages) { +#if PROFILE_THUMB == 1 + static GTimer *total_timer; + static gboolean first_time = TRUE; + + if (first_time) { + total_timer = g_timer_new (); + first_time = FALSE; + g_timer_start (total_timer); + } +#endif + + /* undo the thumbnailing idle and handler */ + if (priv->pages_done == priv->n_pages) { priv->idle_id = 0; + g_signal_handlers_disconnect_by_func (priv->vadjustment, + adjustment_changed_cb, + ev_sidebar_thumbnails); +#if PROFILE_THUMB == 1 + time_elapsed = g_timer_elapsed (total_timer, NULL); + g_timer_destroy (total_timer); + g_print ("%d rows done in %f seconds\n", + gtk_tree_model_iter_n_children (GTK_TREE_MODEL (priv->list_store), NULL), + time_elapsed); +#endif return FALSE; } @@ -191,58 +296,89 @@ populate_thumbnails_idle (gpointer data) g_timer_start (timer); while (do_one_iteration (ev_sidebar_thumbnails)) { i++; - g_timer_elapsed (timer, µseconds); - if (microseconds > IDLE_WORK_LENGTH) + time_elapsed = g_timer_elapsed (timer, NULL); + if (time_elapsed > IDLE_WORK_LENGTH/1000000) break; } g_timer_destroy (timer); -#if 1 - g_print ("%d rows done this idle in %d\n", i, (int)microseconds); +#if PROFILE_THUMB == 2 + g_print ("%d rows done this idle in %f seconds\n", i, time_elapsed); #endif return TRUE; } +void +ev_sidebar_thumbnails_select_page (EvSidebarThumbnails *sidebar, + int page) +{ + GtkTreePath *path; + GtkTreeSelection *selection; + + /* if the EvSidebar's document can't provide thumbnails */ + if (sidebar->priv->document == NULL) + return; + + path = gtk_tree_path_new_from_indices (page - 1, -1); + selection = gtk_tree_view_get_selection + (GTK_TREE_VIEW (sidebar->priv->tree_view)); + + if (path) { + gtk_tree_selection_select_path (selection, path); + gtk_tree_view_scroll_to_cell (GTK_TREE_VIEW (sidebar->priv->tree_view), + path, NULL, FALSE, 0.0, 0.0); + gtk_tree_path_free (path); + } +} + + void ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails, EvDocument *document) { - GtkIconTheme *theme; GdkPixbuf *loading_icon; gint i, n_pages; + GtkTreeIter iter; + gchar *page; + gint width = THUMBNAIL_WIDTH; + gint height = THUMBNAIL_WIDTH; + EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv; - + g_return_if_fail (EV_IS_DOCUMENT_THUMBNAILS (document)); if (priv->idle_id != 0) { g_source_remove (priv->idle_id); } - - theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (sidebar_thumbnails))); + n_pages = ev_document_get_n_pages (document); - loading_icon = gtk_icon_theme_load_icon (theme, "gnome-fs-loading-icon", - THUMBNAIL_WIDTH, 0, NULL); + priv->document = document; + priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails); + priv->n_pages = n_pages; - n_pages = ev_document_get_n_pages (document); - - for (i = 0; i < n_pages; i++) { - GtkTreeIter iter; - gchar *page; - - page = g_strdup_printf ("Page %d", i + 1); - gtk_list_store_append (sidebar_thumbnails->priv->list_store, - &iter); - gtk_list_store_set (sidebar_thumbnails->priv->list_store, - &iter, + /* We get the dimensions of the first doc so that we can make a blank + * icon. */ + ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (priv->document), + 1, THUMBNAIL_WIDTH, &width, &height); + loading_icon = ev_document_misc_get_thumbnail_frame (width, height, NULL); + + gtk_list_store_clear (priv->list_store); + + for (i = 1; i <= n_pages; i++) { + page = g_strdup_printf ("%d", i); + gtk_list_store_append (priv->list_store, &iter); + gtk_list_store_set (priv->list_store, &iter, COLUMN_PAGE_STRING, page, COLUMN_PIXBUF, loading_icon, + COLUMN_THUMBNAIL_SET, FALSE, -1); g_free (page); } - priv->document = document; - priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails); - priv->n_pages = n_pages; - priv->current_page = 0; + g_object_unref (loading_icon); + gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->list_store), + &(priv->current_page_iter)); + priv->current_page = 1; + priv->pages_done = 0; }