/* this file is part of evince, a gnome document viewer
*
* Copyright (C) 2004 Red Hat, Inc.
- * Copyright (C) 2004 Anders Carlsson <andersca@gnome.org>
+ * Copyright (C) 2004
, 2005 Anders Carlsson <andersca@gnome.org>
*
* Authors:
* Jonathan Blandford <jrb@alum.mit.edu>
#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 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 n_pages, pages_done;
};
enum {
COLUMN_PAGE_STRING,
COLUMN_PIXBUF,
+ COLUMN_THUMBNAIL_SET,
+ COLUMN_JOB,
NUM_COLUMNS
};
-static GtkVBoxClass *parent_class;
-
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));
-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 (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);
- 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];
+ 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
{
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, 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, 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);
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);
}
return ev_sidebar_thumbnails;
}
-static gboolean
-populate_thumbnails (gpointer data)
+static void
+page_changed_cb (EvPageCache *page_cache,
+ int page,
+ EvSidebarThumbnails *sidebar)
{
- EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data);
- 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);
+ GtkTreeSelection *selection;
+ path = gtk_tree_path_new_from_indices (page, -1);
+ selection = gtk_tree_view_get_selection
+ (GTK_TREE_VIEW (sidebar->priv->tree_view));
- /* Add shadow */
- pixbuf = ev_pixbuf_add_shadow (tmp, 5, 0, 0, 0.5);
-
- 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_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);
+}
- gtk_list_store_set (priv->list_store, &iter,
- COLUMN_PIXBUF, pixbuf,
+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);
-
- g_object_unref (tmp);
- g_object_unref (pixbuf);
-
- priv->current_page++;
-
- if (priv->current_page == priv->n_pages)
- return FALSE;
- else
- return TRUE;
}
void
ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails,
EvDocument *document)
{
- GtkIconTheme *theme;
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));
- 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)));
+ 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;
- loading_icon = gtk_icon_theme_load_icon (theme, "gnome-fs-loading-icon",
- THUMBNAIL_WIDTH, 0, NULL);
+ /* 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);
- n_pages = ev_document_get_n_pages (document);
-
+ loading_icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
+
+ gtk_list_store_clear (priv->list_store);
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,
- COLUMN_PAGE_STRING, page,
+ 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);
+ 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);
}
- priv->document = document;
- priv->idle_id = g_idle_add (populate_thumbnails, sidebar_thumbnails);
- priv->n_pages = n_pages;
- priv->current_page = 0;
+ 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);
+
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff