/* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2004 Red Hat, Inc.
+ * Copyright (C) 2004, 2005 Anders Carlsson <andersca@gnome.org>
*
- * Author:
+ * Authors:
* Jonathan Blandford <jrb@alum.mit.edu>
+ * Anders Carlsson <andersca@gnome.org>
*
* Evince is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
#include <gtk/gtk.h>
#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 *
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 ("<i>%d</i>", 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;
+}
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff