/* 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-job-queue.h"
+#include "ev-window.h"
+#include "ev-utils.h"
+
+#define THUMBNAIL_WIDTH 100
+
+/* 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;
+
+ gint n_pages, pages_done;
+};
+
+enum {
+ COLUMN_PAGE_STRING,
+ COLUMN_PIXBUF,
+ COLUMN_THUMBNAIL_SET,
+ COLUMN_JOB,
+ NUM_COLUMNS
};
-G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX)
+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_clear_model (EvSidebarThumbnails *sidebar);
+
+static void
+ev_sidebar_thumbnails_dispose (GObject *object)
+{
+ EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
+
+ ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
+
+ G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (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);
+
+ g_object_class->dispose = ev_sidebar_thumbnails_dispose;
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];
+ 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);
+}
+
+static void
+ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
+ EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+ EvSidebarThumbnailsPrivate *priv;
+ EvPageCache *page_cache;
+ 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];
+ gtk_tree_path_free (path);
+
+ page_cache = ev_document_get_page_cache (priv->document);
+ ev_page_cache_set_current_page (page_cache, 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);
-
- label = gtk_label_new ("Thumbnails!");
- gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), label,
- TRUE, TRUE, 0);
- gtk_widget_show (label);
+ 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, EV_TYPE_JOB_THUMBNAIL);
+ 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, 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 void
+page_changed_cb (EvPageCache *page_cache,
+ int page,
+ EvSidebarThumbnails *sidebar)
+{
+ GtkTreePath *path;
+ GtkTreeSelection *selection;
+
+ path = gtk_tree_path_new_from_indices (page, -1);
+ selection = gtk_tree_view_get_selection
+ (GTK_TREE_VIEW (sidebar->priv->tree_view));
+
+ 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);
+}
+
+static void
+thumbnail_job_completed_callback (EvJobThumbnail *job,
+ EvSidebarThumbnails *sidebar_thumbnails)
+{
+ EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+ GtkTreeIter *iter;
+
+ iter = (GtkTreeIter *) g_object_get_data (G_OBJECT (job), "tree_iter");
+ gtk_list_store_set (priv->list_store,
+ iter,
+ COLUMN_PIXBUF, job->thumbnail,
+ COLUMN_THUMBNAIL_SET, TRUE,
+ COLUMN_JOB, NULL,
+ -1);
+}
+
+void
+ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails,
+ EvDocument *document)
+{
+ GdkPixbuf *loading_icon;
+ gint i, n_pages;
+ GtkTreeIter iter;
+ gint width = THUMBNAIL_WIDTH;
+ gint height = THUMBNAIL_WIDTH;
+ EvPageCache *page_cache;
+
+ EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+
+ g_return_if_fail (EV_IS_DOCUMENT_THUMBNAILS (document));
+
+ page_cache = ev_document_get_page_cache (document);
+ n_pages = ev_page_cache_get_n_pages (page_cache);
+
+ priv->document = document;
+ priv->n_pages = n_pages;
+
+ /* We get the dimensions of the first doc so that we can make a blank
+ * icon. */
+ g_mutex_lock (EV_DOC_MUTEX);
+ ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (priv->document),
+ 1, THUMBNAIL_WIDTH, &width, &height);
+ g_mutex_unlock (EV_DOC_MUTEX);
+
+ loading_icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
+
+ ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
+ for (i = 0; i < n_pages; i++) {
+ EvJob *job;
+ gchar *page_label;
+ gchar *page_string;
+
+ job = ev_job_thumbnail_new (priv->document, i, THUMBNAIL_WIDTH);
+ page_label = ev_page_cache_get_page_label (page_cache, i);
+ page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
+
+ gtk_list_store_append (priv->list_store, &iter);
+ gtk_list_store_set (priv->list_store, &iter,
+ COLUMN_PAGE_STRING, page_string,
+ COLUMN_PIXBUF, loading_icon,
+ COLUMN_THUMBNAIL_SET, FALSE,
+ COLUMN_JOB, job,
+ -1);
+ g_free (page_label);
+ g_free (page_string);
+ ev_job_queue_add_job (job, EV_JOB_PRIORITY_LOW);
+ g_object_set_data_full (G_OBJECT (job), "tree_iter",
+ gtk_tree_iter_copy (&iter),
+ (GDestroyNotify) gtk_tree_iter_free);
+ g_signal_connect (job, "finished",
+ G_CALLBACK (thumbnail_job_completed_callback),
+ sidebar_thumbnails);
+ }
+
+ g_object_unref (loading_icon);
+
+ /* Connect to the signal and trigger a fake callback */
+ g_signal_connect (page_cache, "page-changed", G_CALLBACK (page_changed_cb), sidebar_thumbnails);
+ page_changed_cb (page_cache, ev_page_cache_get_current_page (page_cache), sidebar_thumbnails);
+
+}
+
+static gboolean
+ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer data)
+{
+ EvJob *job;
+
+ gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
+
+ if (job != NULL) {
+ ev_job_queue_remove_job (job);
+ g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
+ g_object_unref (job);
+ }
+
+ return FALSE;
+}
+
+static void
+ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
+{
+ EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
+ gtk_list_store_clear (priv->list_store);
+}
+
+
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff