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=61d3cb838c2eb6e2673c0c64b427e386f8323fc4;hb=39d906d93b5e9e0929fec8d3ef322f9597adee78;hp=c727abff04f08ecc16bdc0230ed70bcc188807da;hpb=ca0836cb912f3b88834cae97774079314727c6e2;p=evince.git diff --git a/shell/ev-sidebar-thumbnails.c b/shell/ev-sidebar-thumbnails.c index c727abff..61d3cb83 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 @@ -28,48 +28,65 @@ #include #include +#include +#include "ev-sidebar-page.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 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); +static void ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar); +static gboolean ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page, + EvDocument *document); +static void ev_sidebar_thumbnails_page_iface_init (EvSidebarPageIface *iface); +static void ev_sidebar_thumbnails_set_document (EvSidebarPage *sidebar_page, + EvDocument *document); +static const gchar* ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page); + +G_DEFINE_TYPE_EXTENDED (EvSidebarThumbnails, + ev_sidebar_thumbnails, + GTK_TYPE_VBOX, + 0, + G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE, + ev_sidebar_thumbnails_page_iface_init)) #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) +ev_sidebar_thumbnails_dispose (GObject *object) { - EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object); - EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv; + EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object); - if (priv->idle_id != 0) { - g_source_remove (priv->idle_id); + ev_sidebar_thumbnails_clear_model (sidebar_thumbnails); - priv->idle_id = 0; - } - - GTK_OBJECT_CLASS (parent_class)->destroy (object); + G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object); } static void @@ -77,16 +94,79 @@ 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_object_class->dispose = ev_sidebar_thumbnails_dispose; + g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate)); +} +GtkWidget * +ev_sidebar_thumbnails_new (void) +{ + GtkWidget *ev_sidebar_thumbnails; + + ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL); + + return ev_sidebar_thumbnails; +} + +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); +} + +GtkWidget * +ev_sidebar_thumbnails_get_treeview (EvSidebarThumbnails *sidebar) +{ + return sidebar->priv->tree_view; } static void @@ -94,20 +174,30 @@ 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, 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); @@ -115,98 +205,160 @@ 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); -} -GtkWidget * -ev_sidebar_thumbnails_new (void) -{ - GtkWidget *ev_sidebar_thumbnails; - - ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL); - - return ev_sidebar_thumbnails; + gtk_widget_show_all (swindow); } -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; + GtkTreeView *tree_view = GTK_TREE_VIEW (sidebar->priv->tree_view); GtkTreePath *path; - GtkTreeIter iter; - - tmp = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (priv->document), - priv->current_page, THUMBNAIL_WIDTH); - - /* 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); + path = gtk_tree_path_new_from_indices (page, -1); + gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE); + gtk_tree_view_scroll_to_cell (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, +static void +ev_sidebar_thumbnails_set_document (EvSidebarPage *sidebar_page, EvDocument *document) { - GtkIconTheme *theme; + EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (sidebar_page); 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. */ + ev_document_doc_mutex_lock (); + ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (priv->document), + 0, THUMBNAIL_WIDTH, &width, &height); + ev_document_doc_mutex_unlock (); - n_pages = ev_document_get_n_pages (document); - + 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++) { - 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 ("%s", 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); + +} + +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); +} + +static gboolean +ev_sidebar_thumbnails_support_document (EvSidebarPage *sidebar_page, + EvDocument *document) +{ + return (EV_IS_DOCUMENT_THUMBNAILS (document) && + (ev_document_get_n_pages (document) > 1)); +} + +static const gchar* +ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page) +{ + return _("Thumbnails"); +} + +static void +ev_sidebar_thumbnails_page_iface_init (EvSidebarPageIface *iface) +{ + iface->support_document = ev_sidebar_thumbnails_support_document; + iface->set_document = ev_sidebar_thumbnails_set_document; + iface->get_label = ev_sidebar_thumbnails_get_label; }