X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=shell%2Fev-sidebar-links.c;h=f623f1e2174ead95a538e7510cc1f827508d585f;hb=682db64b43ff4985fbd6000251b42a051d42b071;hp=e663fc992e5d2d6bca86fb5f0f1ed5ab9d4454bd;hpb=fa65a5177e3045d1ddd3f0c7d60b831a5134d57a;p=evince.git diff --git a/shell/ev-sidebar-links.c b/shell/ev-sidebar-links.c index e663fc99..f623f1e2 100644 --- a/shell/ev-sidebar-links.c +++ b/shell/ev-sidebar-links.c @@ -28,6 +28,7 @@ #include #include +#include "ev-sidebar-page.h" #include "ev-sidebar-links.h" #include "ev-job-queue.h" #include "ev-document-links.h" @@ -39,6 +40,7 @@ struct _EvSidebarLinksPrivate { /* Keep these ids around for blocking */ guint selection_id; guint page_changed_id; + guint row_activated_id; EvJob *job; GtkTreeModel *model; @@ -49,33 +51,43 @@ struct _EvSidebarLinksPrivate { enum { PROP_0, PROP_MODEL, + PROP_WIDGET, }; +enum { + LINK_ACTIVATED, + N_SIGNALS +}; -static void links_page_num_func (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *tree_model, - GtkTreeIter *iter, - EvSidebarLinks *sidebar_links); -static void update_page_callback (EvPageCache *page_cache, - gint current_page, - EvSidebarLinks *sidebar_links); - +static void update_page_callback (EvPageCache *page_cache, + gint current_page, + EvSidebarLinks *sidebar_links); +static void row_activated_callback (GtkTreeView *treeview, + GtkTreePath *arg1, + GtkTreeViewColumn *arg2, + gpointer user_data); +static void job_finished_callback (EvJobLinks *job, + EvSidebarLinks *sidebar_links); +static void ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface); +static void ev_sidebar_links_set_document (EvSidebarPage *sidebar_page, + EvDocument *document); +static gboolean ev_sidebar_links_support_document (EvSidebarPage *sidebar_page, + EvDocument *document); +static const gchar* ev_sidebar_links_get_label (EvSidebarPage *sidebar_page); + +static guint signals[N_SIGNALS]; + +G_DEFINE_TYPE_EXTENDED (EvSidebarLinks, + ev_sidebar_links, + GTK_TYPE_VBOX, + 0, + G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE, + ev_sidebar_links_page_iface_init)) -G_DEFINE_TYPE (EvSidebarLinks, ev_sidebar_links, GTK_TYPE_VBOX) #define EV_SIDEBAR_LINKS_GET_PRIVATE(object) \ (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_LINKS, EvSidebarLinksPrivate)) - -static void -ev_sidebar_links_destroy (GtkObject *object) -{ - EvSidebarLinks *ev_sidebar_links = (EvSidebarLinks *) object; - - ev_sidebar_links_clear_document (ev_sidebar_links); -} - static void ev_sidebar_links_set_property (GObject *object, guint prop_id, @@ -116,26 +128,80 @@ ev_sidebar_links_get_property (GObject *object, case PROP_MODEL: g_value_set_object (value, ev_sidebar_links->priv->model); break; + case PROP_WIDGET: + g_value_set_object (value, ev_sidebar_links->priv->tree_view); + break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } +static void +ev_sidebar_links_dispose (GObject *object) +{ + EvSidebarLinks *sidebar = EV_SIDEBAR_LINKS (object); + + if (sidebar->priv->job) { + g_signal_handlers_disconnect_by_func (sidebar->priv->job, + job_finished_callback, sidebar); + ev_job_queue_remove_job (sidebar->priv->job); + g_object_unref (sidebar->priv->job); + sidebar->priv->job = NULL; + } + + if (sidebar->priv->model) { + g_object_unref (sidebar->priv->model); + sidebar->priv->model = NULL; + } + + if (sidebar->priv->document) { + g_object_unref (sidebar->priv->document); + sidebar->priv->document = NULL; + sidebar->priv->page_cache = NULL; + } + + G_OBJECT_CLASS (ev_sidebar_links_parent_class)->dispose (object); +} + +static void +ev_sidebar_links_map (GtkWidget *widget) +{ + EvSidebarLinks *links; + + links = EV_SIDEBAR_LINKS (widget); + + GTK_WIDGET_CLASS (ev_sidebar_links_parent_class)->map (widget); + + if (links->priv->model) { + update_page_callback (links->priv->page_cache, + ev_page_cache_get_current_page (links->priv->page_cache), + links); + } +} static void ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class) { - GObjectClass *g_object_class; - GtkObjectClass *gtk_object_class; + GObjectClass *g_object_class; + GtkWidgetClass *widget_class; g_object_class = G_OBJECT_CLASS (ev_sidebar_links_class); - gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_links_class); + widget_class = GTK_WIDGET_CLASS (ev_sidebar_links_class); g_object_class->set_property = ev_sidebar_links_set_property; g_object_class->get_property = ev_sidebar_links_get_property; + g_object_class->dispose = ev_sidebar_links_dispose; + + widget_class->map = ev_sidebar_links_map; - gtk_object_class->destroy = ev_sidebar_links_destroy; + signals[LINK_ACTIVATED] = g_signal_new ("link-activated", + G_TYPE_FROM_CLASS (g_object_class), + G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION, + G_STRUCT_OFFSET (EvSidebarLinksClass, link_activated), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, 1, G_TYPE_OBJECT); g_object_class_install_property (g_object_class, PROP_MODEL, @@ -144,20 +210,21 @@ ev_sidebar_links_class_init (EvSidebarLinksClass *ev_sidebar_links_class) "Current Model", GTK_TYPE_TREE_MODEL, G_PARAM_READWRITE)); + g_object_class_override_property (g_object_class, + PROP_WIDGET, + "main-widget"); g_type_class_add_private (g_object_class, sizeof (EvSidebarLinksPrivate)); } static void -selection_changed_cb (GtkTreeSelection *selection, - EvSidebarLinks *ev_sidebar_links) +selection_changed_callback (GtkTreeSelection *selection, + EvSidebarLinks *ev_sidebar_links) { EvDocument *document; GtkTreeModel *model; GtkTreeIter iter; - g_return_if_fail (EV_IS_SIDEBAR_LINKS (ev_sidebar_links)); - document = EV_DOCUMENT (ev_sidebar_links->priv->document); g_return_if_fail (ev_sidebar_links->priv->document != NULL); @@ -173,9 +240,11 @@ selection_changed_cb (GtkTreeSelection *selection, g_signal_handler_block (ev_sidebar_links->priv->page_cache, ev_sidebar_links->priv->page_changed_id); - ev_page_cache_set_link (ev_sidebar_links->priv->page_cache, link); + g_signal_emit (ev_sidebar_links, signals[LINK_ACTIVATED], 0, link); g_signal_handler_unblock (ev_sidebar_links->priv->page_cache, ev_sidebar_links->priv->page_changed_id); + + g_object_unref (link); } } @@ -189,12 +258,15 @@ create_loading_model (void) /* Creates a fake model to indicate that we're loading */ retval = (GtkTreeModel *)gtk_list_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS, G_TYPE_STRING, - G_TYPE_OBJECT); + G_TYPE_OBJECT, + G_TYPE_BOOLEAN, + G_TYPE_STRING); gtk_list_store_append (GTK_LIST_STORE (retval), &iter); markup = g_strdup_printf ("%s", _("Loading...")); gtk_list_store_set (GTK_LIST_STORE (retval), &iter, EV_DOCUMENT_LINKS_COLUMN_MARKUP, markup, + EV_DOCUMENT_LINKS_COLUMN_EXPAND, FALSE, EV_DOCUMENT_LINKS_COLUMN_LINK, NULL, -1); g_free (markup); @@ -202,6 +274,117 @@ create_loading_model (void) return retval; } +static void +print_section_cb (GtkWidget *menuitem, EvSidebarLinks *sidebar) +{ + GtkWidget *window; + GtkTreeSelection *selection; + GtkTreeModel *model; + GtkTreeIter iter; + + selection = gtk_tree_view_get_selection + (GTK_TREE_VIEW (sidebar->priv->tree_view)); + + if (gtk_tree_selection_get_selected (selection, &model, &iter)) { + EvLink *link; + int first_page, last_page = -1; + + gtk_tree_model_get (model, &iter, + EV_DOCUMENT_LINKS_COLUMN_LINK, &link, + -1); + + if (!link) + return; + + first_page = ev_link_get_page (link); + if (first_page == -1) { + g_object_unref (link); + return; + } + + first_page++; + g_object_unref (link); + + if (gtk_tree_model_iter_next (model, &iter)) { + gtk_tree_model_get (model, &iter, + EV_DOCUMENT_LINKS_COLUMN_LINK, &link, + -1); + + if (link) { + last_page = ev_link_get_page (link); + g_object_unref (link); + } + } else { + last_page = ev_page_cache_get_n_pages (sidebar->priv->page_cache); + } + + if (last_page == -1) + last_page = ev_page_cache_get_n_pages (sidebar->priv->page_cache); + + window = gtk_widget_get_toplevel (GTK_WIDGET (sidebar)); + if (EV_IS_WINDOW (window)) { + ev_window_print_range (EV_WINDOW (window), first_page, last_page); + } + } +} + +static GtkMenu * +build_popup_menu (EvSidebarLinks *sidebar) +{ + GtkWidget *menu; + GtkWidget *item; + + menu = gtk_menu_new (); + item = gtk_image_menu_item_new_from_stock (GTK_STOCK_PRINT, NULL); + gtk_label_set_label (GTK_LABEL (GTK_BIN (item)->child), _("Print...")); + gtk_widget_show (item); + gtk_menu_shell_append (GTK_MENU_SHELL (menu), item); + g_signal_connect (item, "activate", + G_CALLBACK (print_section_cb), sidebar); + + return GTK_MENU (menu); +} + +static void +popup_menu_cb (GtkWidget *treeview, EvSidebarLinks *sidebar) +{ + GtkMenu *menu = build_popup_menu (sidebar); + + gtk_menu_popup (menu, NULL, NULL, + ev_gui_menu_position_tree_selection, + sidebar->priv->tree_view, 0, + gtk_get_current_event_time ()); + gtk_menu_shell_select_first (GTK_MENU_SHELL (menu), FALSE); +} + +static gboolean +button_press_cb (GtkWidget *treeview, + GdkEventButton *event, + EvSidebarLinks *sidebar) +{ + GtkTreePath *path = NULL; + + if (event->button == 3) { + if (gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (treeview), + event->x, + event->y, + &path, + NULL, NULL, NULL)) { + gtk_tree_view_set_cursor (GTK_TREE_VIEW (treeview), + path, NULL, FALSE); + gtk_menu_popup (build_popup_menu (sidebar), NULL, + NULL, NULL, NULL, event->button, + gtk_get_current_event_time ()); + gtk_tree_path_free (path); + + return TRUE; + } + } + + return FALSE; +} + + static void ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links) { @@ -225,7 +408,7 @@ ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links) loading_model = create_loading_model (); priv->tree_view = gtk_tree_view_new_with_model (loading_model); g_object_unref (loading_model); - + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view)); gtk_tree_selection_set_mode (selection, GTK_SELECTION_NONE); gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE); @@ -250,11 +433,19 @@ ev_sidebar_links_construct (EvSidebarLinks *ev_sidebar_links) renderer = gtk_cell_renderer_text_new (); gtk_tree_view_column_pack_end (GTK_TREE_VIEW_COLUMN (column), renderer, FALSE); - gtk_tree_view_column_set_cell_data_func (GTK_TREE_VIEW_COLUMN (column), renderer, - (GtkTreeCellDataFunc) links_page_num_func, - ev_sidebar_links, NULL); - - + gtk_tree_view_column_set_attributes (GTK_TREE_VIEW_COLUMN (column), renderer, + "text", EV_DOCUMENT_LINKS_COLUMN_PAGE_LABEL, + NULL); + g_object_set (G_OBJECT (renderer), "style", PANGO_STYLE_ITALIC, NULL); + + g_signal_connect (GTK_TREE_VIEW (priv->tree_view), + "button_press_event", + G_CALLBACK (button_press_cb), + ev_sidebar_links); + g_signal_connect (GTK_TREE_VIEW (priv->tree_view), + "popup_menu", + G_CALLBACK (popup_menu_cb), + ev_sidebar_links); } static void @@ -265,39 +456,38 @@ ev_sidebar_links_init (EvSidebarLinks *ev_sidebar_links) ev_sidebar_links_construct (ev_sidebar_links); } -static void -links_page_num_func (GtkTreeViewColumn *tree_column, - GtkCellRenderer *cell, - GtkTreeModel *tree_model, - GtkTreeIter *iter, - EvSidebarLinks *sidebar_links) +static gboolean +fill_page_labels (GtkTreeModel *tree_model, + GtkTreePath *path, + GtkTreeIter *iter, + EvSidebarLinks *sidebar_links) { EvLink *link; + gint page; + gchar *page_label; gtk_tree_model_get (tree_model, iter, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); - - if (link != NULL && - ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) { - gchar *page_label; - gchar *page_string; - page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, ev_link_get_page (link)); - page_string = g_markup_printf_escaped ("%s", page_label); + if (!link) + return FALSE; - g_object_set (cell, - "markup", page_string, - "visible", TRUE, - NULL); + page = ev_link_get_page (link); - g_free (page_label); - g_free (page_string); - } else { - g_object_set (cell, - "visible", FALSE, - NULL); - } + if (page < 0) + return FALSE; + + page_label = ev_page_cache_get_page_label (sidebar_links->priv->page_cache, + page); + gtk_tree_store_set (GTK_TREE_STORE (tree_model), iter, + EV_DOCUMENT_LINKS_COLUMN_PAGE_LABEL, page_label, + -1); + + g_free (page_label); + + g_object_unref (link); + return FALSE; } /* Public Functions */ @@ -312,24 +502,6 @@ ev_sidebar_links_new (void) return ev_sidebar_links; } -void -ev_sidebar_links_clear_document (EvSidebarLinks *sidebar_links) -{ - EvSidebarLinksPrivate *priv; - - g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links)); - - priv = sidebar_links->priv; - - if (priv->document) { - g_object_unref (priv->document); - priv->document = NULL; - priv->page_cache = NULL; - } - - gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL); -} - static gboolean update_page_callback_foreach (GtkTreeModel *model, GtkTreePath *path, @@ -343,21 +515,25 @@ update_page_callback_foreach (GtkTreeModel *model, EV_DOCUMENT_LINKS_COLUMN_LINK, &link, -1); - if (link && ev_link_get_link_type (link) == EV_LINK_TYPE_PAGE) { + if (link) { int current_page; + int dest_page; + dest_page = ev_link_get_page (link); + g_object_unref (link); + current_page = ev_page_cache_get_current_page (sidebar_links->priv->page_cache); - if (ev_link_get_page (link) == current_page) { - GtkTreeSelection *selection; - - selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view)); - - gtk_tree_selection_select_path (selection, path); - + + if (dest_page == current_page) { + gtk_tree_view_expand_to_path (GTK_TREE_VIEW (sidebar_links->priv->tree_view), + path); + gtk_tree_view_set_cursor (GTK_TREE_VIEW (sidebar_links->priv->tree_view), + path, NULL, FALSE); + return TRUE; } } - + return FALSE; } @@ -367,89 +543,187 @@ update_page_callback (EvPageCache *page_cache, EvSidebarLinks *sidebar_links) { GtkTreeSelection *selection; + GtkTreeModel *model; + GtkTreeIter iter; + + /* Widget is not currently visible */ + if (!GTK_WIDGET_MAPPED (sidebar_links)) + return; + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view)); + + if (gtk_tree_selection_get_selected (selection, &model, &iter)) { + EvLink *link; + + gtk_tree_model_get (model, &iter, + EV_DOCUMENT_LINKS_COLUMN_LINK, &link, + -1); + if (link) { + gint dest_page; + + dest_page = ev_link_get_page (link); + g_object_unref (link); + + if (dest_page == current_page) + return; + } + } + /* We go through the tree linearly looking for the first page that * matches. This is pretty inefficient. We can do something neat with * a GtkTreeModelSort here to make it faster, if it turns out to be * slow. */ - - selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (sidebar_links->priv->tree_view)); - g_signal_handler_block (selection, sidebar_links->priv->selection_id); + g_signal_handler_block (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id); - gtk_tree_selection_unselect_all (selection); - gtk_tree_model_foreach (sidebar_links->priv->model, + gtk_tree_model_foreach (model, update_page_callback_foreach, sidebar_links); - + g_signal_handler_unblock (selection, sidebar_links->priv->selection_id); + g_signal_handler_unblock (sidebar_links->priv->tree_view, sidebar_links->priv->row_activated_id); +} + +static void +row_activated_callback (GtkTreeView *treeview, + GtkTreePath *arg1, + GtkTreeViewColumn *arg2, + gpointer user_data) +{ + if (gtk_tree_view_row_expanded (GTK_TREE_VIEW (treeview), arg1)) { + gtk_tree_view_collapse_row (GTK_TREE_VIEW (treeview), arg1); + } else { + gtk_tree_view_expand_row (GTK_TREE_VIEW (treeview), arg1, FALSE); + } } static void -job_finished_cb (EvJobLinks *job, - EvSidebarLinks *sidebar_links) +expand_open_links (GtkTreeView *tree_view, GtkTreeModel *model, GtkTreeIter *parent) +{ + GtkTreeIter iter; + gboolean expand; + + if (gtk_tree_model_iter_children (model, &iter, parent)) { + do { + gtk_tree_model_get (model, &iter, + EV_DOCUMENT_LINKS_COLUMN_EXPAND, &expand, + -1); + if (expand) { + GtkTreePath *path; + + path = gtk_tree_model_get_path (model, &iter); + gtk_tree_view_expand_row (tree_view, path, FALSE); + gtk_tree_path_free (path); + } + + expand_open_links (tree_view, model, &iter); + } while (gtk_tree_model_iter_next (model, &iter)); + } +} + +static void +job_finished_callback (EvJobLinks *job, + EvSidebarLinks *sidebar_links) { EvSidebarLinksPrivate *priv; GtkTreeSelection *selection; - GtkTreeIter iter; - GtkTreePath *path; - gboolean result; priv = sidebar_links->priv; - - priv->model = g_object_ref (job->model); + + priv->model = job->model; g_object_notify (G_OBJECT (sidebar_links), "model"); + + gtk_tree_model_foreach (priv->model, (GtkTreeModelForeachFunc)fill_page_labels, sidebar_links); gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), job->model); + g_object_unref (job); + priv->job = NULL; + + expand_open_links (GTK_TREE_VIEW (priv->tree_view), priv->model, NULL); - /* Expand one level of the tree */ - path = gtk_tree_path_new_first (); - for (result = gtk_tree_model_get_iter_first (priv->model, &iter); - result; - result = gtk_tree_model_iter_next (priv->model, &iter)) { - gtk_tree_view_expand_row (GTK_TREE_VIEW (priv->tree_view), path, FALSE); - gtk_tree_path_next (path); - } - gtk_tree_path_free (path); - selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view)); gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE); - priv->selection_id = g_signal_connect (selection, "changed", - G_CALLBACK (selection_changed_cb), - sidebar_links); - priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed", + + if (priv->selection_id <= 0) { + priv->selection_id = + g_signal_connect (selection, "changed", + G_CALLBACK (selection_changed_callback), + sidebar_links); + } + priv->page_changed_id = g_signal_connect (priv->page_cache, "page-changed", G_CALLBACK (update_page_callback), sidebar_links); + if (priv->row_activated_id <= 0) { + priv->row_activated_id = + g_signal_connect (G_OBJECT (priv->tree_view), "row-activated", + G_CALLBACK (row_activated_callback), + sidebar_links); + } + update_page_callback (priv->page_cache, ev_page_cache_get_current_page (priv->page_cache), sidebar_links); - } -void -ev_sidebar_links_set_document (EvSidebarLinks *sidebar_links, +static void +ev_sidebar_links_set_document (EvSidebarPage *sidebar_page, EvDocument *document) { + EvSidebarLinks *sidebar_links; EvSidebarLinksPrivate *priv; - g_return_if_fail (EV_IS_SIDEBAR_LINKS (sidebar_links)); + g_return_if_fail (EV_IS_SIDEBAR_PAGE (sidebar_page)); g_return_if_fail (EV_IS_DOCUMENT (document)); + + sidebar_links = EV_SIDEBAR_LINKS (sidebar_page); priv = sidebar_links->priv; - g_object_ref (document); + if (priv->document) { + gtk_tree_view_set_model (GTK_TREE_VIEW (priv->tree_view), NULL); + g_object_unref (priv->document); + } - priv->document = document; - priv->page_cache = ev_document_get_page_cache (document); + priv->document = g_object_ref (document); + priv->page_cache = ev_page_cache_get (document); + + if (priv->job) { + g_signal_handlers_disconnect_by_func (priv->job, + job_finished_callback, + sidebar_links); + g_object_unref (priv->job); + } priv->job = ev_job_links_new (document); g_signal_connect (priv->job, "finished", - G_CALLBACK (job_finished_cb), + G_CALLBACK (job_finished_callback), sidebar_links); /* The priority doesn't matter for this job */ ev_job_queue_add_job (priv->job, EV_JOB_PRIORITY_LOW); +} + +static gboolean +ev_sidebar_links_support_document (EvSidebarPage *sidebar_page, + EvDocument *document) +{ + return (EV_IS_DOCUMENT_LINKS (document) && + ev_document_links_has_document_links (EV_DOCUMENT_LINKS (document))); +} +static const gchar* +ev_sidebar_links_get_label (EvSidebarPage *sidebar_page) +{ + return _("Index"); +} + +static void +ev_sidebar_links_page_iface_init (EvSidebarPageIface *iface) +{ + iface->support_document = ev_sidebar_links_support_document; + iface->set_document = ev_sidebar_links_set_document; + iface->get_label = ev_sidebar_links_get_label; }