inicial

1 files changed, 594 insertions, 0 deletions

diff --git a/src/eom-sidebar.c b/src/eom-sidebar.c
new file mode 100644
index 0000000..c536189
--- /dev/null
+++ b/src/eom-sidebar.c
@@ -0,0 +1,594 @@
+/* Eye of Mate - Side bar
+ *
+ * Copyright (C) 2004 Red Hat, Inc.
+ * Copyright (C) 2007 The Free Software Foundation
+ *
+ * Author: Lucas Rocha <[email protected]>
+ *
+ * Based on evince code (shell/ev-sidebar.c) by:
+ * 	- Jonathan Blandford <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkkeysyms.h>
+
+#include "eom-sidebar.h"
+
+enum {
+	PROP_0,
+	PROP_CURRENT_PAGE
+};
+
+enum {
+	PAGE_COLUMN_TITLE,
+	PAGE_COLUMN_MENU_ITEM,
+	PAGE_COLUMN_MAIN_WIDGET,
+	PAGE_COLUMN_NOTEBOOK_INDEX,
+	PAGE_COLUMN_NUM_COLS
+};
+
+enum {
+	SIGNAL_PAGE_ADDED,
+	SIGNAL_PAGE_REMOVED,
+	SIGNAL_LAST
+};
+
+static gint signals[SIGNAL_LAST];
+
+struct _EomSidebarPrivate {
+	GtkWidget *notebook;
+	GtkWidget *select_button;
+	GtkWidget *menu;
+	GtkWidget *hbox;
+	GtkWidget *label;
+
+	GtkTreeModel *page_model;
+};
+
+G_DEFINE_TYPE (EomSidebar, eom_sidebar, GTK_TYPE_VBOX)
+
+#define EOM_SIDEBAR_GET_PRIVATE(object) \
+	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EOM_TYPE_SIDEBAR, EomSidebarPrivate))
+
+static void
+eom_sidebar_destroy (GtkObject *object)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (object);
+
+	if (eom_sidebar->priv->menu) {
+		gtk_menu_detach (GTK_MENU (eom_sidebar->priv->menu));
+		eom_sidebar->priv->menu = NULL;
+	}
+
+	if (eom_sidebar->priv->page_model) {
+		g_object_unref (eom_sidebar->priv->page_model);
+		eom_sidebar->priv->page_model = NULL;
+	}
+
+	(* GTK_OBJECT_CLASS (eom_sidebar_parent_class)->destroy) (object);
+}
+
+static void
+eom_sidebar_select_page (EomSidebar *eom_sidebar, GtkTreeIter *iter)
+{
+	gchar *title;
+	gint index;
+
+	gtk_tree_model_get (eom_sidebar->priv->page_model, iter,
+			    PAGE_COLUMN_TITLE, &title,
+			    PAGE_COLUMN_NOTEBOOK_INDEX, &index,
+			    -1);
+
+	gtk_notebook_set_current_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook), index);
+	gtk_label_set_text (GTK_LABEL (eom_sidebar->priv->label), title);
+
+	g_free (title);
+}
+
+void
+eom_sidebar_set_page (EomSidebar   *eom_sidebar,
+		     GtkWidget   *main_widget)
+{
+	GtkTreeIter iter;
+	gboolean valid;
+
+	valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter);
+
+	while (valid) {
+		GtkWidget *widget;
+
+		gtk_tree_model_get (eom_sidebar->priv->page_model, &iter,
+				    PAGE_COLUMN_MAIN_WIDGET, &widget,
+				    -1);
+
+		if (widget == main_widget) {
+			eom_sidebar_select_page (eom_sidebar, &iter);
+			valid = FALSE;
+		} else {
+			valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model, &iter);
+		}
+
+		g_object_unref (widget);
+	}
+
+	g_object_notify (G_OBJECT (eom_sidebar), "current-page");
+}
+
+static GtkWidget *
+eom_sidebar_get_current_page (EomSidebar *sidebar)
+{
+	GtkNotebook *notebook = GTK_NOTEBOOK (sidebar->priv->notebook);
+
+	return gtk_notebook_get_nth_page
+		(notebook, gtk_notebook_get_current_page (notebook));
+}
+
+static void
+eom_sidebar_set_property (GObject     *object,
+		         guint         prop_id,
+		         const GValue *value,
+		         GParamSpec   *pspec)
+{
+	EomSidebar *sidebar = EOM_SIDEBAR (object);
+
+	switch (prop_id) {
+	case PROP_CURRENT_PAGE:
+		eom_sidebar_set_page (sidebar, g_value_get_object (value));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+	}
+}
+
+static void
+eom_sidebar_get_property (GObject    *object,
+		          guint       prop_id,
+		          GValue     *value,
+		          GParamSpec *pspec)
+{
+	EomSidebar *sidebar = EOM_SIDEBAR (object);
+
+	switch (prop_id) {
+	case PROP_CURRENT_PAGE:
+		g_value_set_object (value, eom_sidebar_get_current_page (sidebar));
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+	}
+}
+
+static void
+eom_sidebar_class_init (EomSidebarClass *eom_sidebar_class)
+{
+	GObjectClass *g_object_class;
+	GtkWidgetClass *widget_class;
+	GtkObjectClass *gtk_object_klass;
+
+	g_object_class = G_OBJECT_CLASS (eom_sidebar_class);
+	widget_class = GTK_WIDGET_CLASS (eom_sidebar_class);
+	gtk_object_klass = GTK_OBJECT_CLASS (eom_sidebar_class);
+
+	g_type_class_add_private (g_object_class, sizeof (EomSidebarPrivate));
+
+	gtk_object_klass->destroy = eom_sidebar_destroy;
+	g_object_class->get_property = eom_sidebar_get_property;
+	g_object_class->set_property = eom_sidebar_set_property;
+
+	g_object_class_install_property (g_object_class,
+					 PROP_CURRENT_PAGE,
+					 g_param_spec_object ("current-page",
+							      "Current page",
+							      "The currently visible page",
+							      GTK_TYPE_WIDGET,
+							      G_PARAM_READWRITE));
+
+	signals[SIGNAL_PAGE_ADDED] =
+		g_signal_new ("page-added",
+			      EOM_TYPE_SIDEBAR,
+			      G_SIGNAL_RUN_FIRST,
+			      G_STRUCT_OFFSET (EomSidebarClass, page_added),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__OBJECT,
+			      G_TYPE_NONE,
+			      1,
+			      GTK_TYPE_WIDGET);
+
+	signals[SIGNAL_PAGE_REMOVED] =
+		g_signal_new ("page-removed",
+			      EOM_TYPE_SIDEBAR,
+			      G_SIGNAL_RUN_FIRST,
+			      G_STRUCT_OFFSET (EomSidebarClass, page_removed),
+			      NULL, NULL,
+			      g_cclosure_marshal_VOID__OBJECT,
+			      G_TYPE_NONE,
+			      1,
+			      GTK_TYPE_WIDGET);
+}
+
+static void
+eom_sidebar_menu_position_under (GtkMenu  *menu,
+				 gint     *x,
+				 gint     *y,
+				 gboolean *push_in,
+				 gpointer  user_data)
+{
+	GtkWidget *widget;
+	GtkAllocation allocation;
+
+	g_return_if_fail (GTK_IS_BUTTON (user_data));
+	g_return_if_fail (!gtk_widget_get_has_window (user_data));
+
+	widget = GTK_WIDGET (user_data);
+	gtk_widget_get_allocation (widget, &allocation);
+
+	gdk_window_get_origin (gtk_widget_get_window (widget), x, y);
+
+	*x += allocation.x;
+	*y += allocation.y + allocation.height;
+
+	*push_in = FALSE;
+}
+
+static gboolean
+eom_sidebar_select_button_press_cb (GtkWidget      *widget,
+				    GdkEventButton *event,
+				    gpointer        user_data)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data);
+
+	if (event->button == 1) {
+		GtkRequisition requisition;
+		GtkAllocation allocation;
+
+		gtk_widget_get_allocation (widget, &allocation);
+
+		gtk_widget_set_size_request (eom_sidebar->priv->menu, -1, -1);
+		gtk_widget_size_request (eom_sidebar->priv->menu, &requisition);
+		gtk_widget_set_size_request (eom_sidebar->priv->menu,
+					     MAX (allocation.width,
+						  requisition.width), -1);
+
+		gtk_widget_grab_focus (widget);
+
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
+
+		gtk_menu_popup (GTK_MENU (eom_sidebar->priv->menu),
+				NULL, NULL, eom_sidebar_menu_position_under, widget,
+				event->button, event->time);
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static gboolean
+eom_sidebar_select_button_key_press_cb (GtkWidget   *widget,
+				        GdkEventKey *event,
+				        gpointer     user_data)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data);
+
+	if (event->keyval == GDK_space ||
+	    event->keyval == GDK_KP_Space ||
+	    event->keyval == GDK_Return ||
+	    event->keyval == GDK_KP_Enter) {
+		gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (widget), TRUE);
+
+		gtk_menu_popup (GTK_MENU (eom_sidebar->priv->menu),
+			        NULL, NULL, eom_sidebar_menu_position_under, widget,
+				1, event->time);
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+static void
+eom_sidebar_close_clicked_cb (GtkWidget *widget,
+ 			      gpointer   user_data)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data);
+
+	gtk_widget_hide (GTK_WIDGET (eom_sidebar));
+}
+
+static void
+eom_sidebar_menu_deactivate_cb (GtkWidget *widget,
+			       gpointer   user_data)
+{
+	GtkWidget *menu_button;
+
+	menu_button = GTK_WIDGET (user_data);
+
+	gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (menu_button), FALSE);
+}
+
+static void
+eom_sidebar_menu_detach_cb (GtkWidget *widget,
+			   GtkMenu   *menu)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (widget);
+
+	eom_sidebar->priv->menu = NULL;
+}
+
+static void
+eom_sidebar_menu_item_activate_cb (GtkWidget *widget,
+				   gpointer   user_data)
+{
+	EomSidebar *eom_sidebar = EOM_SIDEBAR (user_data);
+	GtkTreeIter iter;
+	GtkWidget *menu_item, *item;
+	gboolean valid;
+
+	menu_item = gtk_menu_get_active (GTK_MENU (eom_sidebar->priv->menu));
+	valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter);
+
+	while (valid) {
+		gtk_tree_model_get (eom_sidebar->priv->page_model, &iter,
+				    PAGE_COLUMN_MENU_ITEM, &item,
+				    -1);
+
+		if (item == menu_item) {
+			eom_sidebar_select_page (eom_sidebar, &iter);
+			valid = FALSE;
+		} else {
+			valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model, &iter);
+		}
+
+		g_object_unref (item);
+	}
+
+	g_object_notify (G_OBJECT (eom_sidebar), "current-page");
+}
+
+static void
+eom_sidebar_init (EomSidebar *eom_sidebar)
+{
+	GtkWidget *hbox;
+	GtkWidget *close_button;
+	GtkWidget *select_hbox;
+	GtkWidget *arrow;
+	GtkWidget *image;
+
+	eom_sidebar->priv = EOM_SIDEBAR_GET_PRIVATE (eom_sidebar);
+
+	/* data model */
+	eom_sidebar->priv->page_model = (GtkTreeModel *)
+			gtk_list_store_new (PAGE_COLUMN_NUM_COLS,
+					    G_TYPE_STRING,
+					    GTK_TYPE_WIDGET,
+					    GTK_TYPE_WIDGET,
+					    G_TYPE_INT);
+
+	/* top option menu */
+	hbox = gtk_hbox_new (FALSE, 0);
+	eom_sidebar->priv->hbox = hbox;
+	gtk_box_pack_start (GTK_BOX (eom_sidebar), hbox, FALSE, FALSE, 0);
+	gtk_widget_show (hbox);
+
+	eom_sidebar->priv->select_button = gtk_toggle_button_new ();
+	gtk_button_set_relief (GTK_BUTTON (eom_sidebar->priv->select_button),
+			       GTK_RELIEF_NONE);
+
+	g_signal_connect (eom_sidebar->priv->select_button, "button_press_event",
+			  G_CALLBACK (eom_sidebar_select_button_press_cb),
+			  eom_sidebar);
+
+	g_signal_connect (eom_sidebar->priv->select_button, "key_press_event",
+			  G_CALLBACK (eom_sidebar_select_button_key_press_cb),
+			  eom_sidebar);
+
+	select_hbox = gtk_hbox_new (FALSE, 0);
+
+	eom_sidebar->priv->label = gtk_label_new ("");
+
+	gtk_box_pack_start (GTK_BOX (select_hbox),
+			    eom_sidebar->priv->label,
+			    FALSE, FALSE, 0);
+
+	gtk_widget_show (eom_sidebar->priv->label);
+
+	arrow = gtk_arrow_new (GTK_ARROW_DOWN, GTK_SHADOW_NONE);
+	gtk_box_pack_end (GTK_BOX (select_hbox), arrow, FALSE, FALSE, 0);
+	gtk_widget_show (arrow);
+
+	gtk_container_add (GTK_CONTAINER (eom_sidebar->priv->select_button), select_hbox);
+	gtk_widget_show (select_hbox);
+
+	gtk_box_pack_start (GTK_BOX (hbox), eom_sidebar->priv->select_button, TRUE, TRUE, 0);
+	gtk_widget_show (eom_sidebar->priv->select_button);
+
+	close_button = gtk_button_new ();
+
+	gtk_button_set_relief (GTK_BUTTON (close_button), GTK_RELIEF_NONE);
+
+	g_signal_connect (close_button, "clicked",
+			  G_CALLBACK (eom_sidebar_close_clicked_cb),
+			  eom_sidebar);
+
+	image = gtk_image_new_from_stock (GTK_STOCK_CLOSE,
+					  GTK_ICON_SIZE_MENU);
+	gtk_container_add (GTK_CONTAINER (close_button), image);
+	gtk_widget_show (image);
+
+	gtk_box_pack_end (GTK_BOX (hbox), close_button, FALSE, FALSE, 0);
+	gtk_widget_show (close_button);
+
+	eom_sidebar->priv->menu = gtk_menu_new ();
+
+	g_signal_connect (eom_sidebar->priv->menu, "deactivate",
+			  G_CALLBACK (eom_sidebar_menu_deactivate_cb),
+			  eom_sidebar->priv->select_button);
+
+	gtk_menu_attach_to_widget (GTK_MENU (eom_sidebar->priv->menu),
+				   GTK_WIDGET (eom_sidebar),
+				   eom_sidebar_menu_detach_cb);
+
+	gtk_widget_show (eom_sidebar->priv->menu);
+
+	eom_sidebar->priv->notebook = gtk_notebook_new ();
+
+	gtk_notebook_set_show_border (GTK_NOTEBOOK (eom_sidebar->priv->notebook), FALSE);
+	gtk_notebook_set_show_tabs (GTK_NOTEBOOK (eom_sidebar->priv->notebook), FALSE);
+
+	gtk_box_pack_start (GTK_BOX (eom_sidebar), eom_sidebar->priv->notebook,
+			    TRUE, TRUE, 0);
+
+	gtk_widget_show (eom_sidebar->priv->notebook);
+}
+
+GtkWidget *
+eom_sidebar_new (void)
+{
+	GtkWidget *eom_sidebar;
+
+	eom_sidebar = g_object_new (EOM_TYPE_SIDEBAR, NULL);
+
+	return eom_sidebar;
+}
+
+void
+eom_sidebar_add_page (EomSidebar   *eom_sidebar,
+		      const gchar  *title,
+		      GtkWidget    *main_widget)
+{
+	GtkTreeIter iter;
+	GtkWidget *menu_item;
+	gchar *label_title;
+	gint index;
+
+	g_return_if_fail (EOM_IS_SIDEBAR (eom_sidebar));
+	g_return_if_fail (GTK_IS_WIDGET (main_widget));
+
+	index = gtk_notebook_append_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook),
+					  main_widget, NULL);
+
+	menu_item = gtk_image_menu_item_new_with_label (title);
+
+	g_signal_connect (menu_item, "activate",
+			  G_CALLBACK (eom_sidebar_menu_item_activate_cb),
+			  eom_sidebar);
+
+	gtk_widget_show (menu_item);
+
+	gtk_menu_shell_append (GTK_MENU_SHELL (eom_sidebar->priv->menu),
+			       menu_item);
+
+	/* Insert and move to end */
+	gtk_list_store_insert_with_values (GTK_LIST_STORE (eom_sidebar->priv->page_model),
+					   &iter, 0,
+					   PAGE_COLUMN_TITLE, title,
+					   PAGE_COLUMN_MENU_ITEM, menu_item,
+					   PAGE_COLUMN_MAIN_WIDGET, main_widget,
+					   PAGE_COLUMN_NOTEBOOK_INDEX, index,
+					   -1);
+
+	gtk_list_store_move_before (GTK_LIST_STORE(eom_sidebar->priv->page_model),
+				    &iter,
+				    NULL);
+
+	/* Set the first item added as active */
+	gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter);
+	gtk_tree_model_get (eom_sidebar->priv->page_model,
+			    &iter,
+			    PAGE_COLUMN_TITLE, &label_title,
+			    PAGE_COLUMN_NOTEBOOK_INDEX, &index,
+			    -1);
+
+	gtk_menu_set_active (GTK_MENU (eom_sidebar->priv->menu), index);
+
+	gtk_label_set_text (GTK_LABEL (eom_sidebar->priv->label), label_title);
+
+	gtk_notebook_set_current_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook),
+				       index);
+
+	g_free (label_title);
+
+	g_signal_emit (G_OBJECT (eom_sidebar),
+		       signals[SIGNAL_PAGE_ADDED], 0, main_widget);
+}
+
+void
+eom_sidebar_remove_page (EomSidebar *eom_sidebar, GtkWidget *main_widget)
+{
+	GtkTreeIter iter;
+	GtkWidget *widget, *menu_item;
+	gboolean valid;
+	gint index;
+
+	g_return_if_fail (EOM_IS_SIDEBAR (eom_sidebar));
+	g_return_if_fail (GTK_IS_WIDGET (main_widget));
+
+	valid = gtk_tree_model_get_iter_first (eom_sidebar->priv->page_model, &iter);
+
+	while (valid) {
+		gtk_tree_model_get (eom_sidebar->priv->page_model, &iter,
+				    PAGE_COLUMN_NOTEBOOK_INDEX, &index,
+				    PAGE_COLUMN_MENU_ITEM, &menu_item,
+				    PAGE_COLUMN_MAIN_WIDGET, &widget,
+				    -1);
+
+		if (widget == main_widget) {
+			break;
+		} else {
+			valid = gtk_tree_model_iter_next (eom_sidebar->priv->page_model,
+							  &iter);
+		}
+
+		g_object_unref (menu_item);
+		g_object_unref (widget);
+	}
+
+	if (valid) {
+		gtk_notebook_remove_page (GTK_NOTEBOOK (eom_sidebar->priv->notebook),
+					  index);
+
+		gtk_container_remove (GTK_CONTAINER (eom_sidebar->priv->menu), menu_item);
+
+		gtk_list_store_remove (GTK_LIST_STORE (eom_sidebar->priv->page_model),
+				       &iter);
+
+		g_signal_emit (G_OBJECT (eom_sidebar),
+			       signals[SIGNAL_PAGE_REMOVED], 0, main_widget);
+	}
+}
+
+gint
+eom_sidebar_get_n_pages (EomSidebar *eom_sidebar)
+{
+	g_return_val_if_fail (EOM_IS_SIDEBAR (eom_sidebar), TRUE);
+
+	return gtk_tree_model_iter_n_children (
+		GTK_TREE_MODEL (eom_sidebar->priv->page_model), NULL);
+}
+
+gboolean
+eom_sidebar_is_empty (EomSidebar *eom_sidebar)
+{
+	g_return_val_if_fail (EOM_IS_SIDEBAR (eom_sidebar), TRUE);
+
+	return gtk_tree_model_iter_n_children (
+		GTK_TREE_MODEL (eom_sidebar->priv->page_model), NULL) == 0;
+}