X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=libmisc%2Fev-page-action-widget.c;h=2bc74e603024c5a247bc8cfbeadea4542e22872d;hb=d4139205b010ed06310d14284e63114e88ec6de2;hp=28b6759bef352a5d6186a7673ba3ffc356fe341a;hpb=5adc9f2e1a99e29b8a761388e17c08a6e4d79d5d;p=evince.git

diff --git a/libmisc/ev-page-action-widget.c b/libmisc/ev-page-action-widget.c
index 28b6759b..2bc74e60 100644
--- a/libmisc/ev-page-action-widget.c
+++ b/libmisc/ev-page-action-widget.c
@@ -14,7 +14,7 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  *
  */
 
@@ -38,31 +38,202 @@ enum
 	WIDGET_N_SIGNALS
 };
 
+struct _EvPageActionWidget
+{
+	GtkToolItem parent;
+
+	EvDocument *document;
+	EvDocumentModel *doc_model;
+
+	GtkWidget *entry;
+	GtkWidget *label;
+	guint signal_id;
+	GtkTreeModel *filter_model;
+	GtkTreeModel *model;
+};
+
 static guint widget_signals[WIDGET_N_SIGNALS] = {0, };
 
 G_DEFINE_TYPE (EvPageActionWidget, ev_page_action_widget, GTK_TYPE_TOOL_ITEM)
 
+static void
+update_pages_label (EvPageActionWidget *action_widget,
+		    gint                page)
+{
+	char *label_text;
+	gint n_pages;
+
+	n_pages = ev_document_get_n_pages (action_widget->document);
+	if (ev_document_has_text_page_labels (action_widget->document)) {
+		label_text = g_strdup_printf (_("(%d of %d)"), page + 1, n_pages);
+	} else {
+		label_text = g_strdup_printf (_("of %d"), n_pages);
+	}
+	gtk_label_set_text (GTK_LABEL (action_widget->label), label_text);
+	g_free (label_text);
+}
+
+static void
+ev_page_action_widget_set_current_page (EvPageActionWidget *action_widget,
+					gint                page)
+{
+	if (page >= 0) {
+		gchar *page_label;
+
+		gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry),
+					   CLAMP (ev_document_get_max_label_len (action_widget->document),
+						  6, 12));
+
+		page_label = ev_document_get_page_label (action_widget->document, page);
+		gtk_entry_set_text (GTK_ENTRY (action_widget->entry), page_label);
+		gtk_editable_set_position (GTK_EDITABLE (action_widget->entry), -1);
+		g_free (page_label);
+
+	} else {
+		gtk_entry_set_text (GTK_ENTRY (action_widget->entry), "");
+	}
+
+	update_pages_label (action_widget, page);
+}
+
+static void
+page_changed_cb (EvDocumentModel    *model,
+		 gint                old_page,
+		 gint                new_page,
+		 EvPageActionWidget *action_widget)
+{
+	ev_page_action_widget_set_current_page (action_widget, new_page);
+}
+
+static gboolean
+page_scroll_cb (EvPageActionWidget *action_widget, GdkEventScroll *event)
+{
+	EvDocumentModel *model = action_widget->doc_model;
+	gint pageno;
+
+	pageno = ev_document_model_get_page (model);
+	if ((event->direction == GDK_SCROLL_DOWN) &&
+	    (pageno < ev_document_get_n_pages (action_widget->document) - 1))
+		pageno++;
+	if ((event->direction == GDK_SCROLL_UP) && (pageno > 0))
+		pageno--;
+	ev_document_model_set_page (model, pageno);
+
+	return TRUE;
+}
+
+static void
+activate_cb (EvPageActionWidget *action_widget)
+{
+	EvDocumentModel *model;
+	const char *text;
+	EvLinkDest *link_dest;
+	EvLinkAction *link_action;
+	EvLink *link;
+	gchar *link_text;
+	gint current_page;
+
+	model = action_widget->doc_model;
+	current_page = ev_document_model_get_page (model);
+
+	text = gtk_entry_get_text (GTK_ENTRY (action_widget->entry));
+
+	link_dest = ev_link_dest_new_page_label (text);
+	link_action = ev_link_action_new_dest (link_dest);
+	link_text = g_strdup_printf ("Page: %s", text);
+	link = ev_link_new (link_text, link_action);
+
+	g_signal_emit (action_widget, widget_signals[WIDGET_ACTIVATE_LINK], 0, link);
+
+	g_object_unref (link);
+	g_free (link_text);
+
+	if (current_page == ev_document_model_get_page (model))
+		ev_page_action_widget_set_current_page (action_widget, current_page);
+}
+
 static void
 ev_page_action_widget_init (EvPageActionWidget *action_widget)
 {
-	return;
+	GtkWidget *hbox;
+	AtkObject *obj;
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_set_spacing (GTK_BOX (hbox), 6);
+
+	action_widget->entry = gtk_entry_new ();
+	gtk_widget_add_events (action_widget->entry,
+			       GDK_BUTTON_MOTION_MASK);
+	gtk_entry_set_width_chars (GTK_ENTRY (action_widget->entry), 5);
+	gtk_entry_set_text (GTK_ENTRY (action_widget->entry), "");
+	g_signal_connect_swapped (action_widget->entry, "scroll-event",
+				  G_CALLBACK (page_scroll_cb),
+				  action_widget);
+	g_signal_connect_swapped (action_widget->entry, "activate",
+				  G_CALLBACK (activate_cb),
+				  action_widget);
+
+	obj = gtk_widget_get_accessible (action_widget->entry);
+	atk_object_set_name (obj, "page-label-entry");
+
+	gtk_box_pack_start (GTK_BOX (hbox), action_widget->entry,
+			    FALSE, FALSE, 0);
+	gtk_widget_show (action_widget->entry);
+
+	action_widget->label = gtk_label_new (NULL);
+	gtk_box_pack_start (GTK_BOX (hbox), action_widget->label,
+			    FALSE, FALSE, 0);
+	gtk_widget_show (action_widget->label);
+
+	gtk_container_set_border_width (GTK_CONTAINER (action_widget), 6);
+	gtk_container_add (GTK_CONTAINER (action_widget), hbox);
+	gtk_widget_show (hbox);
+
+	gtk_widget_show (GTK_WIDGET (action_widget));
 }
 
-void
-ev_page_action_widget_set_page_cache (EvPageActionWidget *action_widget,
-				      EvPageCache        *page_cache)
+static void
+ev_page_action_widget_document_changed_cb (EvDocumentModel    *model,
+					   GParamSpec         *pspec,
+					   EvPageActionWidget *action_widget)
 {
-	if (action_widget->page_cache != NULL) {
-		g_object_remove_weak_pointer (G_OBJECT (action_widget->page_cache),
-					      (gpointer)&action_widget->page_cache);
-		action_widget->page_cache = NULL;
+	EvDocument *document = ev_document_model_get_document (model);
+
+	g_object_ref (document);
+	if (action_widget->document)
+		g_object_unref (action_widget->document);
+	action_widget->document = document;
+
+	if (action_widget->signal_id > 0) {
+		g_signal_handler_disconnect (action_widget->doc_model,
+					     action_widget->signal_id);
+		action_widget->signal_id = 0;
 	}
+	action_widget->signal_id =
+		g_signal_connect_object (action_widget->doc_model,
+					 "page-changed",
+					 G_CALLBACK (page_changed_cb),
+					 action_widget, 0);
+
+	ev_page_action_widget_set_current_page (action_widget,
+						ev_document_model_get_page (model));
+}
 
-	if (page_cache != NULL) {
-		action_widget->page_cache = page_cache;
-		g_object_add_weak_pointer (G_OBJECT (page_cache),
-					   (gpointer)&action_widget->page_cache);
+void
+ev_page_action_widget_set_model (EvPageActionWidget *action_widget,
+				 EvDocumentModel    *model)
+{
+	if (action_widget->doc_model) {
+		g_object_remove_weak_pointer (G_OBJECT (action_widget->doc_model),
+					      (gpointer)&action_widget->doc_model);
 	}
+	action_widget->doc_model = model;
+	g_object_add_weak_pointer (G_OBJECT (model),
+				   (gpointer)&action_widget->doc_model);
+
+	g_signal_connect (model, "notify::document",
+			  G_CALLBACK (ev_page_action_widget_document_changed_cb),
+			  action_widget);
 }
 
 static void
@@ -70,7 +241,21 @@ ev_page_action_widget_finalize (GObject *object)
 {
 	EvPageActionWidget *action_widget = EV_PAGE_ACTION_WIDGET (object);
 
-	ev_page_action_widget_set_page_cache (action_widget, NULL);
+	if (action_widget->doc_model != NULL) {
+		if (action_widget->signal_id > 0) {
+			g_signal_handler_disconnect (action_widget->doc_model,
+						     action_widget->signal_id);
+			action_widget->signal_id = 0;
+		}
+		g_object_remove_weak_pointer (G_OBJECT (action_widget->doc_model),
+					      (gpointer)&action_widget->doc_model);
+		action_widget->doc_model = NULL;
+	}
+
+	if (action_widget->document) {
+		g_object_unref (action_widget->document);
+		action_widget->document = NULL;
+	}
 
 	G_OBJECT_CLASS (ev_page_action_widget_parent_class)->finalize (object);
 }
@@ -82,14 +267,15 @@ ev_page_action_widget_class_init (EvPageActionWidgetClass *class)
 
 	object_class->finalize = ev_page_action_widget_finalize;
 
-	widget_signals[WIDGET_ACTIVATE_LINK] = g_signal_new ("activate_link",
-					       G_OBJECT_CLASS_TYPE (object_class),
-					       G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
-					       G_STRUCT_OFFSET (EvPageActionClass, activate_link),
-					       NULL, NULL,
-					       g_cclosure_marshal_VOID__OBJECT,
-					       G_TYPE_NONE, 1,
-					       G_TYPE_OBJECT);
+	widget_signals[WIDGET_ACTIVATE_LINK] =
+		g_signal_new ("activate_link",
+			      G_OBJECT_CLASS_TYPE (object_class),
+			      G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+			      G_STRUCT_OFFSET (EvPageActionWidgetClass, activate_link),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__OBJECT,
+			      G_TYPE_NONE, 1,
+			      G_TYPE_OBJECT);
 
 }
 
@@ -261,44 +447,49 @@ get_filter_model_from_model (GtkTreeModel *model)
 
 
 void
-ev_page_action_widget_update_model (EvPageActionWidget *proxy, GtkTreeModel *model)
+ev_page_action_widget_update_links_model (EvPageActionWidget *proxy, GtkTreeModel *model)
 {
 	GtkTreeModel *filter_model;
-
-	if (model != NULL) {
-		/* Magik */
-		GtkEntryCompletion *completion;
-		GtkCellRenderer *renderer;
-
-		proxy->model = model;
-		filter_model = get_filter_model_from_model (model);
-
-		completion = gtk_entry_completion_new ();
-
-		g_object_set (G_OBJECT (completion),
-			      "popup-set-width", FALSE,
-			      "model", filter_model,
+	GtkEntryCompletion *completion;
+	GtkCellRenderer *renderer;
+
+	if (!model)
+		return;
+
+	/* Magik */
+	proxy->model = model;
+	filter_model = get_filter_model_from_model (model);
+
+	completion = gtk_entry_completion_new ();
+	g_object_set (G_OBJECT (completion),
+		      "popup-set-width", FALSE,
+		      "model", filter_model,
+		      NULL);
+
+	g_signal_connect (completion, "match-selected", G_CALLBACK (match_selected_cb), proxy);
+	gtk_entry_completion_set_match_func (completion,
+					     (GtkEntryCompletionMatchFunc) match_completion,
+					     proxy, NULL);
+
+	/* Set up the layout */
+	renderer = (GtkCellRenderer *)
+		g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
+			      "ellipsize", PANGO_ELLIPSIZE_END,
+			      "width_chars", 30,
 			      NULL);
+	gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), renderer, TRUE);
+	gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (completion),
+					    renderer,
+					    (GtkCellLayoutDataFunc) display_completion_text,
+					    proxy, NULL);
+	gtk_entry_set_completion (GTK_ENTRY (proxy->entry), completion);
+
+	g_object_unref (completion);
+}
 
-		g_signal_connect (completion, "match-selected", G_CALLBACK (match_selected_cb), proxy);
-		gtk_entry_completion_set_match_func (completion,
-						     (GtkEntryCompletionMatchFunc) match_completion,
-						     proxy, NULL);
-
-		/* Set up the layout */
-		renderer = (GtkCellRenderer *)
-			g_object_new (GTK_TYPE_CELL_RENDERER_TEXT,
-				      "ellipsize", PANGO_ELLIPSIZE_END,
-				      "width_chars", 30,
-				      NULL);
-		gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (completion), renderer, TRUE);
-		gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (completion),
-						    renderer,
-						    (GtkCellLayoutDataFunc) display_completion_text,
-						    proxy, NULL);
-		gtk_entry_set_completion (GTK_ENTRY (proxy->entry), completion);
-		
-		g_object_unref (completion);
-		g_object_unref (model);
-	}
+void
+ev_page_action_widget_grab_focus (EvPageActionWidget *proxy)
+{
+	gtk_widget_grab_focus (proxy->entry);
 }
+