X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-sidebar-thumbnails.c;h=382a5a96930867859e3e41d68af486186489e534;hb=d58fdf40717bb64e9967670918a4f3f909bd304f;hp=a2f5d76ff4081ba96ce8dfd9365d69490b6ebc4c;hpb=5a7fb79a9faa64e7b877b16a220999945b54a128;p=evince.git diff --git a/shell/ev-sidebar-thumbnails.c b/shell/ev-sidebar-thumbnails.c index a2f5d76f..382a5a96 100644 --- a/shell/ev-sidebar-thumbnails.c +++ b/shell/ev-sidebar-thumbnails.c @@ -1,9 +1,11 @@ /* this file is part of evince, a gnome document viewer * * Copyright (C) 2004 Red Hat, Inc. + * Copyright (C) 2004, 2005 Anders Carlsson * - * Author: + * Authors: * Jonathan Blandford + * Anders Carlsson * * Evince is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by @@ -28,38 +30,174 @@ #include #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 75 +/* Amount of time we devote to each iteration of the idle, in microseconds */ +#define IDLE_WORK_LENGTH 5000 struct _EvSidebarThumbnailsPrivate { - int dummy; + GtkWidget *tree_view; + GtkAdjustment *vadjustment; + GtkListStore *list_store; + EvDocument *document; + + guint idle_id; + gint current_page, n_pages, pages_done; + GtkTreeIter current_page_iter; }; -G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX) +enum { + COLUMN_PAGE_STRING, + COLUMN_PIXBUF, + COLUMN_THUMBNAIL_SET, + NUM_COLUMNS +}; + +G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX); #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \ - (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate)) + (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate)); + +static void +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 (ev_sidebar_thumbnails_parent_class)->destroy (object); +} static void ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class) { 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); + + 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]; + 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 *label; + GtkWidget *swindow; + EvSidebarThumbnailsPrivate *priv; + GtkCellRenderer *renderer; + GtkTreeSelection *selection; - ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails); + 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, G_TYPE_BOOLEAN); + priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store)); - label = gtk_label_new ("Thumbnails!"); - gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), label, - TRUE, TRUE, 0); - gtk_widget_show (label); + 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, renderer, + "pixbuf", 1, + NULL); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1, + NULL, gtk_cell_renderer_text_new (), + "markup", 0, NULL); + + g_object_unref (priv->list_store); + + swindow = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), + 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); } GtkWidget * @@ -71,3 +209,171 @@ ev_sidebar_thumbnails_new (void) return ev_sidebar_thumbnails; } + +static gboolean +do_one_iteration (EvSidebarThumbnails *ev_sidebar_thumbnails) +{ + EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; + GdkPixbuf *pixbuf; + gboolean thumbnail_set; + + 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); + + gtk_list_store_set (priv->list_store, + &(priv->current_page_iter), + COLUMN_PIXBUF, pixbuf, + -1); + + g_object_unref (pixbuf); + priv->pages_done ++; + } + + priv->current_page++; + + if (priv->current_page == priv->n_pages) { + priv->current_page = 0; + 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; +} + +static gboolean +populate_thumbnails_idle (gpointer data) +{ + GTimer *timer; + int i; + gdouble time_elapsed = 0; + + EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data); + EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; + +#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; + } + + timer = g_timer_new (); + i = 0; + g_timer_start (timer); + while (do_one_iteration (ev_sidebar_thumbnails)) { + i++; + time_elapsed = g_timer_elapsed (timer, NULL); + if (time_elapsed > IDLE_WORK_LENGTH/1000000) + break; + } + g_timer_destroy (timer); +#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) +{ + 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); + } + n_pages = ev_document_get_n_pages (document); + + priv->document = document; + priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails); + priv->n_pages = n_pages; + + /* 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); + + 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); + } + + g_object_unref (loading_icon); + gtk_tree_model_get_iter_first (GTK_TREE_MODEL (priv->list_store), + &(priv->current_page_iter)); + priv->current_page = 0; + priv->pages_done = 0; +} +