fileman.c
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	/* fileman.c - The GNU Privacy Assistant
	Copyright (C) 2000, 2001 G-N-U GmbH.
	Copyright (C) 2007, 2008 g10 Code GmbH

	This file is part of GPA.

	GPA 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 3 of the License, or
	(at your option) any later version.

	GPA 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, see <http://www.gnu.org/licenses/>. */

	/* The file encryption/decryption/sign window. */

	#ifdef HAVE_CONFIG_H
	# include <config.h>
	#endif

	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <errno.h>
	#include <assert.h>
	#include <time.h>

	#include <gdk/gdkkeysyms.h>
	#include <glib.h>
	#include <gtk/gtk.h>

	#include "gpa.h"

	#include "gtktools.h"
	#include "gpawidgets.h"
	#include "siglist.h"
	#include "helpmenu.h"
	#include "icons.h"
	#include "fileman.h"

	#include "gpafiledecryptop.h"
	#include "gpafileencryptop.h"
	#include "gpafilesignop.h"
	#include "gpafileverifyop.h"


	#if ! GTK_CHECK_VERSION (2, 10, 0)
	#define GTK_STOCK_SELECT_ALL "gtk-select-all"
	#endif


	/* Object and class definition. */
	struct _GpaFileManager
	{
	GtkWindow parent;

	GtkWidget *window;
	GtkWidget *list_files;
	GList *selection_sensitive_actions;
	};

	struct _GpaFileManagerClass
	{
	GtkWindowClass parent_class;
	};



	/* There is only one instance of the file manage class. Use a global
	variable to keep track of it. */
	static GpaFileManager *instance;

	/* We also need to save the parent class. */
	static GObjectClass *parent_class;

	/* Definition of the sensitivity function type. */
	typedef gboolean (*sensitivity_func_t)(gpointer);


	/* Constants to define the file list. */
	enum
	{
	FILE_NAME_COLUMN,
	FILE_N_COLUMNS
	};

	#define DND_TARGET_URI_LIST 1


	/* Drag and drop target list. */
	static GtkTargetEntry dnd_target_list[] =
	{
	{ "text/uri-list", 0, DND_TARGET_URI_LIST }
	};




	/* Local prototypes */
	static GObject *gpa_file_manager_constructor
	(GType type,
	guint n_construct_properties,
	GObjectConstructParam *construct_properties);



	/*
	* GtkWidget boilerplate.
	*/
	static void
	gpa_file_manager_finalize (GObject *object)
	{
	G_OBJECT_CLASS (parent_class)->finalize (object);
	}


	static void
	gpa_file_manager_init (GpaFileManager *fileman)
	{
	fileman->selection_sensitive_actions = NULL;
	}

	static void
	gpa_file_manager_class_init (GpaFileManagerClass *klass)
	{
	GObjectClass *object_class = G_OBJECT_CLASS (klass);

	parent_class = g_type_class_peek_parent (klass);

	object_class->constructor = gpa_file_manager_constructor;
	object_class->finalize = gpa_file_manager_finalize;
	}

	GType
	gpa_file_manager_get_type (void)
	{
	static GType fileman_type = 0;

	if (!fileman_type)
	{
	static const GTypeInfo fileman_info =
	{
	sizeof (GpaFileManagerClass),
	(GBaseInitFunc) NULL,
	(GBaseFinalizeFunc) NULL,
	(GClassInitFunc) gpa_file_manager_class_init,
	NULL, /* class_finalize */
	NULL, /* class_data */
	sizeof (GpaFileManager),
	0, /* n_preallocs */
	(GInstanceInitFunc) gpa_file_manager_init,
	};

	fileman_type = g_type_register_static (GTK_TYPE_WINDOW,
	"GpaFileManager",
	&fileman_info, 0);
	}

	return fileman_type;
	}



	/*
	* File manager methods
	*/


	/* Return the currently selected files as a new list of filenames
	* structs. The list and the texts must be freed by the caller.
	*/
	static GList *
	get_selected_files (GtkWidget *list)
	{
	GtkTreeModel *model = gtk_tree_view_get_model (GTK_TREE_VIEW (list));
	GtkTreeSelection *sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (list));
	GList *selection = gtk_tree_selection_get_selected_rows (sel, &model);
	GList *files = NULL;

	while (selection)
	{
	gpa_file_item_t file_item;
	gchar *filename;
	GtkTreeIter iter;

	gtk_tree_model_get_iter (model, &iter, (GtkTreePath*) selection->data);
	gtk_tree_model_get (model, &iter, FILE_NAME_COLUMN, &filename, -1);

	file_item = g_malloc0 (sizeof (*file_item));
	file_item->filename_in = filename;

	files = g_list_append (files, file_item);
	selection = g_list_next (selection);
	}

	/* Free the selection */
	g_list_foreach (selection, (GFunc) gtk_tree_path_free, NULL);
	g_list_free (selection);

	return files;
	}


	/* Add file FILENAME to the file list of FILEMAN and select it */
	static gboolean
	add_file (GpaFileManager fileman, const gchar filename)
	{
	GtkListStore *store;
	GtkTreeIter iter;
	GtkTreePath *path;
	GtkTreeSelection *sel;
	gchar *filename_utf8;

	/* The tree contains filenames in the UTF-8 encoding. */
	filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);

	/* Try to convert from the current locale as fallback. This is important
	for windows where g_filename_to_utf8 does not take locale into account
	because the filedialogs already convert to utf8. */
	if (!filename_utf8)
	{
	filename_utf8 = g_locale_to_utf8 (filename, -1, NULL, NULL, NULL);
	}

	/* Last fallback is guranteed to never be NULL so in doubt we can still fail
	later showing a filename that can't be found to the user etc.*/
	if (!filename_utf8)
	{
	filename_utf8 = g_filename_display_name (filename);
	}

	store = GTK_LIST_STORE (gtk_tree_view_get_model
	(GTK_TREE_VIEW (fileman->list_files)));

	/* Check for duplicates. */
	path = gtk_tree_path_new_first ();
	if (gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path))
	do
	{
	gchar *tmp;
	gboolean exists;

	gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, FILE_NAME_COLUMN,
	&tmp, -1);
	exists = g_str_equal (filename_utf8, tmp);
	g_free (tmp);
	if (exists)
	{
	g_free (filename_utf8);
	gtk_tree_path_free (path);
	return FALSE; /* This file is already in our list. */
	}
	}
	while (gtk_tree_model_iter_next (GTK_TREE_MODEL (store), &iter));
	gtk_tree_path_free (path);

	/* Append it to our list. */
	gtk_list_store_append (store, &iter);

	/* FIXME: Add the file status when/if gpgme supports it */
	gtk_list_store_set (store, &iter, FILE_NAME_COLUMN, filename_utf8, -1);

	/* Select the row */
	sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (fileman->list_files));
	gtk_tree_selection_select_iter (sel, &iter);

	return TRUE;
	}


	/* Add a file created by an operation to the list */
	static void
	file_created_cb (GpaFileOperation *op, gpa_file_item_t item, gpointer data)
	{
	GpaFileManager *fileman = data;

	add_file (fileman, item->filename_out);
	}


	/* Do whatever is required with a file operation, to ensure proper clean up */
	static void
	register_operation (GpaFileManager fileman, GpaFileOperation op)
	{
	g_signal_connect (G_OBJECT (op), "created_file",
	G_CALLBACK (file_created_cb), fileman);
	g_signal_connect (G_OBJECT (op), "completed",
	G_CALLBACK (g_object_unref), NULL);
	}



	/* Management of the selection sensitive actions. */

	/* Return true if a selection is active. */
	static gboolean
	has_selection (gpointer param)
	{
	GpaFileManager *fileman = param;
	GtkTreeSelection *sel;

	sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (fileman->list_files));
	return (gtk_tree_selection_count_selected_rows (sel) > 0);
	}

	/* Add WIDGET to the list of sensitive actions of FILEMAN. */
	static void
	add_selection_sensitive_action (GpaFileManager *fileman,
	GtkAction *action,
	sensitivity_func_t callback)
	{
	g_object_set_data (G_OBJECT (action), "gpa_sensitivity", callback);
	fileman->selection_sensitive_actions
	= g_list_append (fileman->selection_sensitive_actions, action);
	}

	/* Update the sensitivity of the widget DATA and pass PARAM through to
	the sensitivity callback. Usable as an iterator function in
	g_list_foreach. */
	static void
	update_selection_sensitive_action (gpointer data, gpointer param)
	{
	sensitivity_func_t func;

	func = g_object_get_data (G_OBJECT (data), "gpa_sensitivity");
	gtk_action_set_sensitive (GTK_ACTION (data), func (param));
	}


	/* Call update_selection_sensitive_action for all widgets in the list
	of sensitive actions and pass FILEMAN through as the user data
	parameter. */
	static void
	update_selection_sensitive_actions (GpaFileManager *fileman)
	{
	g_list_foreach (fileman->selection_sensitive_actions,
	update_selection_sensitive_action,
	(gpointer) fileman);
	}



	/* Actions as called by the menu items. */


	static GSList *
	get_load_file_name (GtkWidget parent, const gchar title,
	const gchar *directory)
	{
	static GtkWidget *dialog;
	GtkResponseType response;
	GSList *filenames = NULL;

	if (! dialog)
	{
	dialog = gtk_file_chooser_dialog_new
	(title, GTK_WINDOW (parent), GTK_FILE_CHOOSER_ACTION_OPEN,
	GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
	GTK_STOCK_OPEN, GTK_RESPONSE_OK, NULL);
	gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
	gtk_file_chooser_set_select_multiple (GTK_FILE_CHOOSER (dialog), TRUE);
	}
	if (directory)
	gtk_file_chooser_set_current_folder (GTK_FILE_CHOOSER (dialog), directory);
	gtk_file_chooser_unselect_all (GTK_FILE_CHOOSER (dialog));

	/* Run the dialog until there is a valid response. */
	response = gtk_dialog_run (GTK_DIALOG (dialog));
	if (response == GTK_RESPONSE_OK)
	filenames = gtk_file_chooser_get_filenames (GTK_FILE_CHOOSER (dialog));

	gtk_widget_hide (dialog);

	return filenames;
	}


	/* Handle menu item "File/Open". */

	void
	open_file_one (gpointer data, gpointer user_data)
	{
	GpaFileManager *fileman = user_data;
	gchar filename = (gchar ) data;

	/* FIXME: We are ignoring errors here. */
	add_file (fileman, filename);
	g_free (filename);
	}


	static void
	file_open (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GSList *filenames;

	filenames = get_load_file_name (GTK_WIDGET (fileman), _("Open File"), NULL);
	if (! filenames)
	return;

	g_slist_foreach (filenames, open_file_one, fileman);
	g_slist_free (filenames);
	}


	/* Handle menu item "File/Clear". */
	static void
	file_clear (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GtkListStore *store = GTK_LIST_STORE (gtk_tree_view_get_model
	(GTK_TREE_VIEW (fileman->list_files)));

	gtk_list_store_clear (store);
	}


	/* Handle menu item "File/Verify". */
	static void
	file_verify (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GList *files;
	GpaFileVerifyOperation *op;

	files = get_selected_files (fileman->list_files);
	if (!files)
	return;

	op = gpa_file_verify_operation_new (GTK_WIDGET (fileman), files);

	register_operation (fileman, GPA_FILE_OPERATION (op));
	}


	/* Handle menu item "File/Sign". */
	static void
	file_sign (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GList * files;
	GpaFileSignOperation *op;

	files = get_selected_files (fileman->list_files);
	if (!files)
	return;

	op = gpa_file_sign_operation_new (GTK_WIDGET (fileman), files, FALSE);

	register_operation (fileman, GPA_FILE_OPERATION (op));
	}


	/* Handle menu item "File/Encrypt". */
	static void
	file_encrypt (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GList *files;
	GpaFileEncryptOperation *op;

	files = get_selected_files (fileman->list_files);
	if (!files)
	return;

	op = gpa_file_encrypt_operation_new (GTK_WIDGET (fileman), files, FALSE);

	register_operation (fileman, GPA_FILE_OPERATION (op));
	}


	/* Handle menu item "File/Decrypt". */
	static void
	file_decrypt (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	GList *files;
	GpaFileDecryptOperation *op;

	files = get_selected_files (fileman->list_files);
	if (!files)
	return;

	op = gpa_file_decrypt_verify_operation_new (GTK_WIDGET (fileman), files);

	register_operation (fileman, GPA_FILE_OPERATION (op));
	}


	/* Handle menu item "File/Close". */
	static void
	file_close (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;
	gtk_widget_destroy (GTK_WIDGET (fileman));
	}


	/* Handle menu item "Edit/Select All". */
	static void
	edit_select_all (GtkAction *action, gpointer param)
	{
	GpaFileManager *fileman = param;

	gtk_tree_selection_select_all (gtk_tree_view_get_selection
	(GTK_TREE_VIEW (fileman->list_files)));
	}



	/* Construct the file manager menu and toolbar widgets and return
	them. */
	static void
	fileman_action_new (GpaFileManager fileman, GtkWidget *menubar,
	GtkWidget **toolbar)
	{

	static const GActionEntry entries[] =
	{
	{ "File", NULL },
	{ "Edit", NULL },

	{ "file_open", file_open },
	{ "file_clear", file_clear },
	{ "file_sign", file_sign },
	{ "file_verify", file_verify },
	{ "file_encrypt", file_encrypt },
	{ "file_decrypt", file_decrypt },
	{ "file_close", file_close },
	{ "file_quit", g_application_quit },

	{ "edit_select_all", edit_select_all },
	};

	static const GtkActionEntry old_entries[] =
	{
	/* Toplevel. */
	{ "File", NULL, N_("_File"), NULL },
	{ "Edit", NULL, N_("_Edit"), NULL },

	/* File menu. */
	{ "FileOpen", GTK_STOCK_OPEN, NULL, NULL,
	N_("Open a file"), G_CALLBACK (file_open) },
	{ "FileClear", GTK_STOCK_CLEAR, NULL, NULL,
	N_("Close all files"), G_CALLBACK (file_clear) },
	{ "FileSign", GPA_STOCK_SIGN, NULL, NULL,
	N_("Sign the selected file"), G_CALLBACK (file_sign) },
	{ "FileVerify", GPA_STOCK_VERIFY, NULL, NULL,
	N_("Check signatures of selected file"), G_CALLBACK (file_verify) },
	{ "FileEncrypt", GPA_STOCK_ENCRYPT, NULL, NULL,
	N_("Encrypt the selected file"), G_CALLBACK (file_encrypt) },
	{ "FileDecrypt", GPA_STOCK_DECRYPT, NULL, NULL,
	N_("Decrypt the selected file"), G_CALLBACK (file_decrypt) },
	{ "FileClose", GTK_STOCK_CLOSE, NULL, NULL,
	N_("Close the window"), G_CALLBACK (file_close) },
	{ "FileQuit", GTK_STOCK_QUIT, NULL, NULL,
	N_("Quit the program"), G_CALLBACK (g_application_quit) },

	/* Edit menu. */
	{ "EditSelectAll", GTK_STOCK_SELECT_ALL, NULL, "<control>A",
	N_("Select all files"), G_CALLBACK (edit_select_all) }
	};

	/*
	static const char *ui_description =
	"<ui>"
	" <menubar name='MainMenu'>"
	" <menu action='File'>"
	" <menuitem action='FileOpen'/>"
	" <menuitem action='FileClear'/>"
	" <separator/>"
	" <menuitem action='FileSign'/>"
	" <menuitem action='FileVerify'/>"
	" <menuitem action='FileEncrypt'/>"
	" <menuitem action='FileDecrypt'/>"
	" <separator/>"
	" <menuitem action='FileClose'/>"
	" <menuitem action='FileQuit'/>"
	" </menu>"
	" <menu action='Edit'>"
	" <menuitem action='EditSelectAll'/>"
	" <separator/>"
	" <menuitem action='EditPreferences'/>"
	" <menuitem action='EditBackendPreferences'/>"
	" </menu>"
	" <menu action='Windows'>"
	" <menuitem action='WindowsKeyringEditor'/>"
	" <menuitem action='WindowsFileManager'/>"
	" <menuitem action='WindowsClipboard'/>"
	#ifdef ENABLE_CARD_MANAGER
	" <menuitem action='WindowsCardManager'/>"
	#endif
	" </menu>"
	" <menu action='Help'>"
	#if 0
	" <menuitem action='HelpContents'/>"
	#endif
	" <menuitem action='HelpAbout'/>"
	" </menu>"
	" </menubar>"
	" <toolbar name='ToolBar'>"
	" <toolitem action='FileOpen'/>"
	" <toolitem action='FileClear'/>"
	" <separator/>"
	" <toolitem action='FileSign'/>"
	" <toolitem action='FileVerify'/>"
	" <toolitem action='FileEncrypt'/>"
	" <toolitem action='FileDecrypt'/>"
	" <separator/>"
	" <toolitem action='EditPreferences'/>"
	" <separator/>"
	" <toolitem action='WindowsKeyringEditor'/>"
	" <toolitem action='WindowsClipboard'/>"
	#ifdef ENABLE_CARD_MANAGER
	" <toolitem action='WindowsCardManager'/>"
	#endif
	#if 0
	" <toolitem action='HelpContents'/>"
	#endif
	" </toolbar>"
	"</ui>";
	*/

	static const char *menu_string = {
	"<interface>"
	"<menu id='main_menu'>"
	"<submenu>"
	"<attribute name='label' translatable='yes'>_File</attribute>"
	"<section>"
	"<item>"
	"<attribute name='label' translatable='yes'>Open</attribute>"
	"<attribute name='action'>app.file_close</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Clear</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"</section>"
	"<section>"
	"<item>"
	"<attribute name='label' translatable='yes'>Sign</attribute>"
	"<attribute name='action'>app.file_close</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Verify</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Encrypt</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Decrypt</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"</section>"
	"<section>"
	"<item>"
	"<attribute name='label' translatable='yes'>Close</attribute>"
	"<attribute name='action'>app.file_close</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Quit</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"</section>"
	"</submenu>"
	"<submenu>"
	"<attribute name='label' translatable='yes'>Edit</attribute>"
	"<section>"
	"<item>"
	"<attribute name='label' translatable='yes'>Mark All</attribute>"
	"<attribute name='action'>app.file_close</attribute>"
	"</item>"
	"</section>"
	"<section>"
	"<item>"
	"<attribute name='label' translatable='yes'>Backend Settings</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Settings</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"</section>"
	"</submenu>"
	"<submenu>"
	"<attribute name='label' translatable='yes'>Window</attribute>"
	"<item>"
	"<attribute name='label' translatable='yes'>Keyring Manager</attribute>"
	"<attribute name='action'>app.file_close</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>File Manager</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Clipboard</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"<item>"
	"<attribute name='label' translatable='yes'>Card Manager</attribute>"
	"<attribute name='action'>app.file_quit</attribute>"
	"</item>"
	"</submenu>"
	"<submenu>"
	"<attribute name='label' translatable='yes'>Help</attribute>"
	"<item>"
	"<attribute name='label' translatable='yes'>About</attribute>"
	"<attribute name='action'>app.help_about</attribute>"
	"</item>"
	"</submenu>"
	"</menu>"

	"<object id='toolbar' class='GtkToolbar'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='show_arrow'>False</property>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>document-open</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>edit-clear</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkSeparatorToolItem'>"
	"</object>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>sign</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>verify</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>encrypt</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>decrypt</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkSeparatorToolItem'>"
	"</object>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>preferences-desktop</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkSeparatorToolItem'>"
	"</object>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>keyring</property>"
	"<property name='action-name'>app.windows_keyring_editor</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>edit-paste</property>"
	"<property name='action-name'>app.windows_clipboard</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"<child>"
	"<object class='GtkToolButton'>"
	"<property name='visible'>True</property>"
	"<property name='can_focus'>False</property>"
	"<property name='use_underline'>True</property>"
	"<property name='icon_name'>smartcard</property>"
	"<property name='action-name'>app.windows_card_manager</property>"
	"</object>"
	"<packing>"
	"<property name='expand'>False</property>"
	"<property name='homogeneous'>True</property>"
	"</packing>"
	"</child>"

	"</object>"

	"</interface>"
	};

	/*
	GtkAccelGroup *accel_group;
	GtkActionGroup *action_group;
	GtkAction *action;
	GtkUIManager *ui_manager;
	GError *error;

	action_group = gtk_action_group_new ("MenuActions");
	gtk_action_group_set_translation_domain (action_group, PACKAGE);
	gtk_action_group_add_actions (action_group, entries, G_N_ELEMENTS (entries),
	fileman);
	gtk_action_group_add_actions (action_group, gpa_help_menu_action_entries,
	G_N_ELEMENTS (gpa_help_menu_action_entries),
	fileman);
	gtk_action_group_add_actions (action_group, gpa_windows_menu_action_entries,
	G_N_ELEMENTS (gpa_windows_menu_action_entries),
	fileman);
	gtk_action_group_add_actions
	(action_group, gpa_preferences_menu_action_entries,
	G_N_ELEMENTS (gpa_preferences_menu_action_entries), fileman);
	ui_manager = gtk_ui_manager_new ();
	gtk_ui_manager_insert_action_group (ui_manager, action_group, 0);
	accel_group = gtk_ui_manager_get_accel_group (ui_manager);
	gtk_window_add_accel_group (GTK_WINDOW (fileman), accel_group);
	if (! gtk_ui_manager_add_ui_from_string (ui_manager, ui_description,
	-1, &error))
	{
	g_message ("building fileman menus failed: %s", error->message);
	g_error_free (error);
	exit (EXIT_FAILURE);
	}

	// Fixup the icon theme labels which are too long for the toolbar.
	action = gtk_action_group_get_action (action_group, "WindowsKeyringEditor");
	g_object_set (action, "short_label", _("Keyring"), NULL);
	#ifdef ENABLE_CARD_MANAGER
	action = gtk_action_group_get_action (action_group, "WindowsCardManager");
	g_object_set (action, "short_label", _("Card"), NULL);
	#endif

	// Take care of sensitiveness of widgets.
	action = gtk_action_group_get_action (action_group, "FileSign");
	add_selection_sensitive_action (fileman, action, has_selection);
	action = gtk_action_group_get_action (action_group, "FileVerify");
	add_selection_sensitive_action (fileman, action, has_selection);
	action = gtk_action_group_get_action (action_group, "FileEncrypt");
	add_selection_sensitive_action (fileman, action, has_selection);
	action = gtk_action_group_get_action (action_group, "FileDecrypt");
	add_selection_sensitive_action (fileman, action, has_selection);

	*menubar = gtk_ui_manager_get_widget (ui_manager, "/MainMenu");
	*toolbar = gtk_ui_manager_get_widget (ui_manager, "/ToolBar");
	gpa_toolbar_set_homogeneous (GTK_TOOLBAR (*toolbar), FALSE);

	*/

	GError **err;

	GtkBuilder *gtk_builder = gtk_builder_new_from_string (menu_string, -1);

	if (gtk_builder_add_from_string( gtk_builder, menu_string , -1, err) == 0) {
	printf("ERROR: %s \n", (*err)->message);
	}

	GMenuModel *menu_bar_model = G_MENU_MODEL (gtk_builder_get_object (GTK_BUILDER (gtk_builder), "main_menu"));
	*menubar = gtk_menu_bar_new_from_model (menu_bar_model);

	/*
	GMenuModel *popup_menu_model = G_MENU_MODEL (gtk_builder_get_object (GTK_BUILDER (gtk_builder), "popupmenu"));
	*popup = gtk_menu_new_from_model (popup_menu_model);
	*/

	GObject *grid = gtk_builder_get_object (GTK_BUILDER (gtk_builder), "toolbar");

	GtkCssProvider *css_provider = gtk_css_provider_new();
	GdkDisplay *display = gdk_display_get_default();
	GdkScreen *screen = gdk_display_get_default_screen (display);
	gtk_style_context_add_provider_for_screen (screen, GTK_STYLE_PROVIDER(css_provider), GTK_STYLE_PROVIDER_PRIORITY_USER);

	gtk_css_provider_load_from_data(css_provider,
	"#toolbar {\n"
	//" padding-left: 55px;\n"
	// " padding-right: 5px;\n"
	// " border-radius: 3px;\n"
	"}\n", -1, NULL);

	GtkStyleContext *style_context;

	style_context = gtk_widget_get_style_context (GTK_WIDGET (grid));


	//gtk_widget_add_css_class (grid, "toolbar");

	*toolbar = grid;

	// We must set the name to the toolbar for css to recognize it
	gtk_widget_set_name(*toolbar, "toolbar");

	gtk_style_context_add_class (style_context, "toolbar");


	GtkApplication *gpa_app = get_gpa_application ();

	g_action_map_add_action_entries (G_ACTION_MAP (gpa_app),
	gpa_windows_menu_g_action_entries,
	G_N_ELEMENTS (gpa_windows_menu_g_action_entries),
	fileman);

	g_action_map_add_action_entries (G_ACTION_MAP (gpa_app),
	entries,
	G_N_ELEMENTS (entries),
	fileman);

	g_action_map_add_action_entries (G_ACTION_MAP (gpa_app),
	gpa_help_menu_g_action_entries,
	G_N_ELEMENTS (gpa_help_menu_g_action_entries),
	fileman);

	g_action_map_add_action_entries (G_ACTION_MAP (gpa_app),
	gpa_preferences_menu_g_action_entries,
	G_N_ELEMENTS (gpa_preferences_menu_g_action_entries),
	fileman);

	}


	/* Drag and Drop handler. */


	/* Handler for "drag-drop". This signal is emitted when the user
	drops the selection. */
	static gboolean
	dnd_drop_handler (GtkWidget widget, GdkDragContext context,
	gint x, gint y, guint tim, gpointer user_data)
	{
	GdkAtom target_type = gdk_atom_intern ("text/uri-list", FALSE);

	GList *targets = gdk_drag_context_list_targets(context);

	/* If the source offers a target we request the data from her. */
	if (targets && g_list_find (targets,
	GDK_ATOM_TO_POINTER (target_type)))
	{
	gtk_drag_get_data (widget, context, target_type, tim);

	return TRUE;
	}

	return FALSE;
	}


	/* Handler for "drag-data-received". This signal is emitted when the
	data has been received from the source. */
	static void
	dnd_data_received_handler (GtkWidget widget, GdkDragContext context,
	gint x, gint y, GtkSelectionData *selection_data,
	guint target_type, guint tim, gpointer user_data)
	{
	GpaFileManager *fileman = user_data;
	gboolean dnd_success = FALSE;
	gboolean delete_selection_data = FALSE;

	// const guchar *our_selection_data = gtk_selection_data_get_data(selection_data);

	/* Is that usable by us? */
	if (selection_data && gtk_selection_data_get_length(selection_data) >= 0 )
	{
	GdkDragAction drag_action = gdk_drag_context_get_suggested_action(context);

	if (drag_action == GDK_ACTION_MOVE)
	delete_selection_data = TRUE;

	/* Check that we got a format we can use. */
	if (target_type == DND_TARGET_URI_LIST)
	{
	//char p = (char ) selection_data->data;
	char p = (char )gtk_selection_data_get_data(selection_data);
	char **list;
	int i;

	list = g_uri_list_extract_uris (p);
	for (i=0; list && list[i]; i++)
	{
	char *name = g_filename_from_uri (list[i], NULL, NULL);
	if (name)
	{
	/* Canonical line endings are required for an uri-list. */
	if ((p = strchr (name, '\r')))
	*p = 0;
	add_file (fileman, name);
	g_free (name);
	}
	}
	g_strfreev (list);
	dnd_success = TRUE;
	}
	}

	/* Finish the DnD processing. */
	gtk_drag_finish (context, dnd_success, delete_selection_data, tim);
	}






	/* Construct the file list object. */
	static GtkWidget *
	file_list_new (GpaFileManager * fileman)
	{
	GtkWidget *scrollerFile;
	GtkCellRenderer *renderer;
	GtkTreeViewColumn *column;
	GtkTreeSelection *sel;
	GtkListStore *store = gtk_list_store_new (1, G_TYPE_STRING);
	GtkWidget *list = gtk_tree_view_new_with_model (GTK_TREE_MODEL (store));

	renderer = gtk_cell_renderer_text_new ();
	column = gtk_tree_view_column_new_with_attributes (_("File"), renderer,
	"text",
	FILE_NAME_COLUMN,
	NULL);
	gtk_tree_view_append_column (GTK_TREE_VIEW (list), column);

	sel = gtk_tree_view_get_selection (GTK_TREE_VIEW (list));
	gtk_tree_selection_set_mode (sel, GTK_SELECTION_MULTIPLE);
	g_signal_connect_swapped (sel, "changed",
	G_CALLBACK (update_selection_sensitive_actions),
	fileman);

	gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (list), TRUE);

	scrollerFile = gtk_scrolled_window_new (NULL, NULL);
	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrollerFile),
	GTK_POLICY_AUTOMATIC,
	GTK_POLICY_AUTOMATIC);
	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrollerFile),
	GTK_SHADOW_IN);

	fileman->list_files = list;
	gtk_widget_grab_focus (list);
	gtk_container_add (GTK_CONTAINER (scrollerFile), list);

	return scrollerFile;
	}


	/* Callback for the destroy signal. */
	static void
	file_manager_closed (GtkWidget *widget, gpointer param)
	{
	instance = NULL;
	}


	/* Construct a new class object of GpaFileManager. */
	static GObject*
	gpa_file_manager_constructor (GType type,
	guint n_construct_properties,
	GObjectConstructParam *construct_properties)
	{
	GObject *object;
	GpaFileManager *fileman;
	GtkWidget *vbox;
	GtkWidget *hbox;
	GtkWidget *label;
	GtkWidget *icon;
	gchar *markup;
	GtkWidget *menubar;
	GtkWidget *file_box;
	GtkWidget *file_frame;
	GtkWidget *toolbar;
	GtkWidget *align;
	guint pt, pb, pl, pr;

	/* Invoke parent's constructor. */
	object = parent_class->constructor (type,
	n_construct_properties,
	construct_properties);
	fileman = GPA_FILE_MANAGER (object);

	/* Initialize. */
	gpa_window_set_title (GTK_WINDOW (fileman), _("File Manager"));
	gtk_window_set_default_size (GTK_WINDOW (fileman), 640, 480);
	/* Realize the window so that we can create pixmaps without warnings. */
	gtk_widget_realize (GTK_WIDGET (fileman));

	/* Use a vbox to show the menu, toolbar and the file container. */
	vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);

	/* Get the menu and the toolbar. */
	fileman_action_new (fileman, &menubar, &toolbar);
	gtk_box_pack_start (GTK_BOX (vbox), menubar, FALSE, TRUE, 0);
	gtk_box_pack_start (GTK_BOX (vbox), toolbar, FALSE, TRUE, 0);


	/* Add a fancy label that tells us: This is the file manager. */
	hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
	gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);

	icon = gtk_image_new_from_stock ("gtk-directory", GTK_ICON_SIZE_DND);
	gtk_box_pack_start (GTK_BOX (hbox), icon, FALSE, TRUE, 0);

	label = gtk_label_new (NULL);
	markup = g_strdup_printf ("<span font_desc=\"16\">%s</span>",
	_("File Manager"));
	gtk_label_set_markup (GTK_LABEL (label), markup);
	g_free (markup);
	gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 10);
	gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);


	/* Third a hbox with the file list. */
	align = gtk_alignment_new (0.5, 0.5, 1, 1);
	gtk_alignment_get_padding (GTK_ALIGNMENT (align),
	&pt, &pb, &pl, &pr);
	gtk_alignment_set_padding (GTK_ALIGNMENT (align), pt, pb + 5,
	pl + 5, pr + 5);
	gtk_box_pack_start (GTK_BOX (vbox), align, TRUE, TRUE, 0);

	file_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 0);
	file_frame = file_list_new (fileman);
	gtk_box_pack_start (GTK_BOX (file_box), file_frame, TRUE, TRUE, 0);
	gtk_container_add (GTK_CONTAINER (align), file_box);

	gtk_container_add (GTK_CONTAINER (fileman), vbox);

	g_signal_connect (object, "destroy",
	G_CALLBACK (file_manager_closed), object);


	/* Make the file box a DnD destination. */
	gtk_drag_dest_set (file_box,
	(GTK_DEST_DEFAULT_MOTION \| GTK_DEST_DEFAULT_HIGHLIGHT),
	dnd_target_list,
	DIM (dnd_target_list),
	GDK_ACTION_COPY);
	g_signal_connect (file_box, "drag-drop",
	G_CALLBACK (dnd_drop_handler), fileman);
	g_signal_connect (file_box, "drag-data-received",
	G_CALLBACK (dnd_data_received_handler), fileman);


	return object;
	}



	static GpaFileManager *
	gpa_fileman_new ()
	{
	GpaFileManager *fileman;

	fileman = g_object_new (GPA_FILE_MANAGER_TYPE, NULL);
	update_selection_sensitive_actions (fileman);

	return fileman;
	}

	/* API */

	GtkWidget *
	gpa_file_manager_get_instance (void)
	{
	if (!instance)
	{
	instance = gpa_fileman_new ();
	}
	return GTK_WIDGET (instance);
	}

	gboolean gpa_file_manager_is_open (void)
	{
	return (instance != NULL);
	}

	void gpa_file_manager_open_file (GpaFileManager *fileman,
	const gchar *filename)

	{
	if (!add_file (fileman, filename))
	gpa_window_error (_("The file is already open."),
	GTK_WIDGET (fileman));
	/* FIXME: Release filename? */
	}

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