Browser/src/browser.c

/* $Id$ */
/* Copyright (c) 2006 The DeforaOS Project */



#include <sys/stat.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#include <grp.h>
#include <libgen.h>
#include <gdk/gdkkeysyms.h>
#include "callbacks.h"
#include "browser.h"


/* macros */
#define min(a, b) ((a) > (b) ? (b) : (a))


/* types */
struct _menu
{
	char * name;
	GtkSignalFunc callback;
	char * stock;
	unsigned int accel;
};

struct _menubar
{
	char * name;
	struct _menu * menu;
};


/* constants */
struct _menu _menu_file[] =
{
	{ "_New window", G_CALLBACK(on_file_new_window), NULL, GDK_N },
	{ "", NULL, NULL, 0 },
	{ "_Refresh", G_CALLBACK(on_refresh), GTK_STOCK_REFRESH, GDK_R },
	{ "_Properties", G_CALLBACK(on_properties), GTK_STOCK_PROPERTIES, 0 },
	{ "", NULL, NULL, 0 },
	{ "_Close", G_CALLBACK(on_file_close), GTK_STOCK_CLOSE, GDK_W },
	{ NULL, NULL, NULL, 0 }
};

static struct _menu _menu_edit[] =
{
	{ "_Cut", G_CALLBACK(on_edit_cut), GTK_STOCK_CUT, GDK_X },
	{ "Cop_y", G_CALLBACK(on_edit_copy), GTK_STOCK_COPY, GDK_C },
	{ "_Paste", NULL, GTK_STOCK_PASTE, GDK_V },
	{ "", NULL, NULL, 0 },
	{ "_Delete", G_CALLBACK(on_edit_delete), GTK_STOCK_DELETE, 0 },
	{ "", NULL, NULL, 0 },
	{ "_Select all", G_CALLBACK(on_edit_select_all), NULL, GDK_A },
	{ "_Unselect all", G_CALLBACK(on_edit_unselect_all), NULL, 0 },
	{ "", NULL, NULL, 0 },
	{ "_Preferences", G_CALLBACK(on_edit_preferences),
		GTK_STOCK_PREFERENCES, GDK_P },
	{ NULL, NULL, NULL, 0 }
};

static struct _menu _menu_view[] =
{
	{ "_Home", G_CALLBACK(on_view_home), GTK_STOCK_HOME, 0 },
#if GTK_CHECK_VERSION(2, 6, 0)
	{ "", NULL, NULL, 0 },
	{ "_Details", G_CALLBACK(on_view_details), NULL, 0 },
	{ "_Icons", G_CALLBACK(on_view_icons), NULL, 0 },
	{ "_List", G_CALLBACK(on_view_list), NULL, 0 },
#endif
	{ NULL, NULL, NULL, 0 }
};

static struct _menu _menu_help[] =
{
#if GTK_CHECK_VERSION(2, 6, 0)
	{ "_About", G_CALLBACK(on_help_about), GTK_STOCK_ABOUT, 0 },
#else
	{ "_About", G_CALLBACK(on_help_about), NULL, 0 },
#endif
	{ NULL, NULL, NULL, 0 }
};

static struct _menubar _menubar[] =
{
	{ "_File", _menu_file },
	{ "_Edit", _menu_edit },
	{ "_View", _menu_view },
	{ "_Help", _menu_help },
	{ NULL, NULL }
};


/* Browser */
static int _new_pixbufs(Browser * browser);
static GtkWidget * _new_menubar(Browser * browser);
static GtkListStore * _create_store(Browser * browser);
Browser * browser_new(char const * directory)
{
	Browser * browser;
	GtkWidget * vbox;
	GtkWidget * tb_menubar;
	GtkWidget * toolbar;
	GtkWidget * widget;
	GtkToolItem * toolitem;
	GtkToolItem * tb_button;
#if GTK_CHECK_VERSION(2, 6, 0)
	GtkWidget * menu;
	GtkWidget * menuitem;
#endif

	if((browser = malloc(sizeof(*browser))) == NULL)
		return NULL;
	browser->window = NULL;
	if(_new_pixbufs(browser) != 0)
	{
		browser_error(browser, "Error while loading default icons", -1);
		free(browser);
		return NULL;
	}

	/* config */
	/* FIXME implement */
	browser->prefs.sort_folders_first = TRUE;
	browser->prefs.show_hidden_files = FALSE;

	/* mime */
	browser->mime = mime_new();

	/* history */
	browser->history = NULL;
	browser->current = NULL;

	/* refresh */
	browser->refresh_id = 0;
	browser->refresh_dir = NULL;

	browser->window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	gtk_window_set_default_size(GTK_WINDOW(browser->window), 640, 480);
	gtk_window_set_title(GTK_WINDOW(browser->window), "File browser");
	g_signal_connect(browser->window, "delete_event", G_CALLBACK(on_closex),
			NULL);
	vbox = gtk_vbox_new(FALSE, 0);
	/* menubar */
	tb_menubar = _new_menubar(browser);
	gtk_box_pack_start(GTK_BOX(vbox), tb_menubar, FALSE, FALSE, 0);
	/* toolbar */
	toolbar = gtk_toolbar_new();
	browser->tb_back = gtk_tool_button_new_from_stock(GTK_STOCK_GO_BACK);
	g_signal_connect(browser->tb_back, "clicked", G_CALLBACK(on_back),
			browser);
	gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), FALSE);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_back, -1);
	browser->tb_updir = gtk_tool_button_new_from_stock(GTK_STOCK_GO_UP);
	gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir), FALSE);
	g_signal_connect(browser->tb_updir, "clicked", G_CALLBACK(on_updir),
			browser);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_updir, -1);
	browser->tb_forward = gtk_tool_button_new_from_stock(
			GTK_STOCK_GO_FORWARD);
	g_signal_connect(browser->tb_forward, "clicked", G_CALLBACK(on_forward),
			browser);
	gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), FALSE);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), browser->tb_forward, -1);
	tb_button = gtk_tool_button_new_from_stock(GTK_STOCK_REFRESH);
	g_signal_connect(tb_button, "clicked", G_CALLBACK(on_refresh), browser);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tb_button, -1);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), gtk_separator_tool_item_new(),
			-1);
	tb_button = gtk_tool_button_new_from_stock(GTK_STOCK_HOME);
	g_signal_connect(tb_button, "clicked", G_CALLBACK(on_home), browser);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tb_button, -1);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), gtk_separator_tool_item_new(),
			-1);
	tb_button = gtk_tool_button_new_from_stock(GTK_STOCK_PROPERTIES);
	g_signal_connect(G_OBJECT(tb_button), "clicked", G_CALLBACK(
				on_properties), browser);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tb_button, -1);
#if GTK_CHECK_VERSION(2, 6, 0)
	toolitem = gtk_menu_tool_button_new(NULL, "View as...");
	g_signal_connect(G_OBJECT(toolitem), "clicked", G_CALLBACK(on_view_as),
			browser);
	menu = gtk_menu_new();
	menuitem = gtk_menu_item_new_with_label("Details");
	g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(
				on_view_details), browser);
	gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
	menuitem = gtk_menu_item_new_with_label("Icons");
	g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(
				on_view_icons), browser);
	gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
	menuitem = gtk_menu_item_new_with_label("List");
	g_signal_connect(G_OBJECT(menuitem), "activate", G_CALLBACK(
				on_view_list), browser);
	gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
	gtk_widget_show_all(menu);
	gtk_menu_tool_button_set_menu(GTK_MENU_TOOL_BUTTON(toolitem), menu);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1);
#endif
	gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
	/* toolbar */
	toolbar = gtk_toolbar_new();
	gtk_toolbar_set_icon_size(GTK_TOOLBAR(toolbar),
			GTK_ICON_SIZE_SMALL_TOOLBAR);
	gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_ICONS);
	widget = gtk_label_new(" Location: ");
	toolitem = gtk_tool_item_new();
	gtk_container_add(GTK_CONTAINER(toolitem), widget);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1);
	browser->tb_path = gtk_combo_box_entry_new_text();
	widget = gtk_bin_get_child(GTK_BIN(browser->tb_path));
	g_signal_connect(G_OBJECT(widget), "activate", G_CALLBACK(
				on_path_activate), browser);
	toolitem = gtk_tool_item_new();
	gtk_tool_item_set_expand(toolitem, TRUE);
	gtk_container_add(GTK_CONTAINER(toolitem), browser->tb_path);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1);
	toolitem = gtk_tool_button_new_from_stock(GTK_STOCK_JUMP_TO);
	g_signal_connect(G_OBJECT(toolitem), "clicked", G_CALLBACK(
				on_path_activate), browser);
	gtk_toolbar_insert(GTK_TOOLBAR(toolbar), toolitem, -1);
	gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0);
	/* view */
	browser->scrolled = gtk_scrolled_window_new(NULL, NULL);
	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(browser->scrolled),
			GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
	gtk_box_pack_start(GTK_BOX(vbox), browser->scrolled, TRUE, TRUE, 0);
	/* statusbar */
	browser->statusbar = gtk_statusbar_new();
	browser->statusbar_id = 0;
	gtk_box_pack_start(GTK_BOX(vbox), browser->statusbar, FALSE, FALSE, 0);
	/* store */
	browser->store = _create_store(browser);
	browser->detailview = NULL;
#if GTK_CHECK_VERSION(2, 6, 0)
	browser->iconview = NULL;
	browser_set_view(browser, BV_ICONS);
	gtk_widget_grab_focus(browser->iconview);
#else
	browser_set_view(browser, BV_DETAILS);
	gtk_widget_grab_focus(browser->detailview);
#endif
	browser_set_location(browser, directory != NULL ? directory
			: g_get_home_dir());

	/* preferences */
	browser->pr_window = NULL;

	gtk_container_add(GTK_CONTAINER(browser->window), vbox);
	gtk_widget_show_all(browser->window);
	return browser;
}

static int _new_pixbufs(Browser * browser)
{
	browser->theme = gtk_icon_theme_new();
	gtk_icon_theme_set_custom_theme(browser->theme, "gnome");
	browser->pb_file_24 = gtk_icon_theme_load_icon(browser->theme,
			"gnome-fs-regular", 24, 0, NULL);
	browser->pb_folder_24 = gtk_icon_theme_load_icon(browser->theme,
			"gnome-fs-directory", 24, 0, NULL);
#if !GTK_CHECK_VERSION(2, 6, 0)
	return browser->pb_file_24 == NULL || browser->pb_folder_24 == NULL;
#else
	browser->pb_file_48 = gtk_icon_theme_load_icon(browser->theme,
			"gnome-fs-regular", 48, 0, NULL);
	browser->pb_folder_48 = gtk_icon_theme_load_icon(browser->theme,
			"gnome-fs-directory", 48, 0, NULL);
	return browser->pb_file_48 == NULL || browser->pb_folder_48 == NULL
		|| browser->pb_file_48 == NULL || browser->pb_folder_48 == NULL;
#endif
}

static GtkWidget * _new_menubar(Browser * browser)
{
	GtkWidget * tb_menubar;
	GtkAccelGroup * group;
	GtkWidget * menu;
	GtkWidget * menubar;
	GtkWidget * menuitem;
	unsigned int i;
	unsigned int j;
	struct _menu * p;

	tb_menubar = gtk_menu_bar_new();
	group = gtk_accel_group_new();
	for(i = 0; _menubar[i].name != NULL; i++)
	{
		menubar = gtk_menu_item_new_with_mnemonic(_menubar[i].name);
		menu = gtk_menu_new();
		for(j = 0; _menubar[i].menu[j].name != NULL; j++)
		{
			p = &_menubar[i].menu[j];
			if(p->name[0] == '\0')
				menuitem = gtk_separator_menu_item_new();
			else if(p->stock == NULL)
				menuitem = gtk_menu_item_new_with_mnemonic(
						p->name);
			else
				menuitem = gtk_image_menu_item_new_from_stock(
						p->stock, NULL);
			if(p->callback != NULL)
				g_signal_connect(G_OBJECT(menuitem), "activate",
						G_CALLBACK(p->callback),
						browser);
			else
				gtk_widget_set_sensitive(menuitem, FALSE);
			if(p->accel != 0)
				gtk_widget_add_accelerator(menuitem, "activate",
						group, p->accel,
						GDK_CONTROL_MASK,
						GTK_ACCEL_VISIBLE);
			gtk_menu_shell_append(GTK_MENU_SHELL(menu), menuitem);
		}
		gtk_menu_item_set_submenu(GTK_MENU_ITEM(menubar), menu);
		gtk_menu_bar_append(GTK_MENU_BAR(tb_menubar), menubar);
	}
	gtk_window_add_accel_group(GTK_WINDOW(browser->window), group);
	return tb_menubar;
}

static int _sort_func(GtkTreeModel * model, GtkTreeIter * a, GtkTreeIter * b,
		gpointer data)
{
	Browser * browser = data;
	gboolean is_dir_a, is_dir_b;
	gchar * name_a, * name_b;
	int ret = 0;

	gtk_tree_model_get(model, a, BR_COL_IS_DIRECTORY, &is_dir_a,
			BR_COL_DISPLAY_NAME, &name_a, -1);
	gtk_tree_model_get(model, b, BR_COL_IS_DIRECTORY, &is_dir_b,
			BR_COL_DISPLAY_NAME, &name_b, -1);
	if(browser->prefs.sort_folders_first)
	{
		if(!is_dir_a && is_dir_b)
			ret = 1;
		else if(is_dir_a && !is_dir_b)
			ret = -1;
	}
	if(ret == 0)
		ret = g_utf8_collate(name_a, name_b);
	g_free(name_a);
	g_free(name_b);
	return ret;
}

static GtkListStore * _create_store(Browser * browser)
{
	GtkListStore * store;

	store = gtk_list_store_new(BR_NUM_COLS, G_TYPE_STRING, G_TYPE_STRING,
			GDK_TYPE_PIXBUF,
#if !GTK_CHECK_VERSION(2, 6, 0)
			G_TYPE_BOOLEAN,
#else
			GDK_TYPE_PIXBUF, G_TYPE_BOOLEAN,
#endif
			G_TYPE_UINT64, G_TYPE_STRING, G_TYPE_STRING,
			G_TYPE_STRING);
	gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store),
			_sort_func, browser, NULL);
	gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
			GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID,
			GTK_SORT_ASCENDING); /* FIXME make it an option */
	return store;
}


void browser_delete(Browser * browser)
{
	g_list_foreach(browser->history, (GFunc)free, NULL);
	g_list_free(browser->history);
	g_object_unref(browser->store);
	free(browser);
}


/* useful */
static int _browser_error(char const * message, int ret);
int browser_error(Browser * browser, char const * message, int ret)
{
	GtkWidget * dialog;

	if(browser == NULL)
		return _browser_error(message, ret);
	dialog = gtk_message_dialog_new(GTK_WINDOW(browser->window),
			GTK_DIALOG_DESTROY_WITH_PARENT,
			GTK_MESSAGE_ERROR, GTK_BUTTONS_CLOSE, "%s", message);
	gtk_window_set_title(GTK_WINDOW(dialog), "Error");
	if(ret < 0)
	{
		g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
					gtk_main_quit), NULL);
		ret = -ret;
	}
	else
		g_signal_connect(G_OBJECT(dialog), "response", G_CALLBACK(
					gtk_widget_destroy), NULL);
	gtk_widget_show(dialog);
	return ret;
}

static int _browser_error(char const * message, int ret)
{
	fprintf(stderr, "%s", "browser: ");
	perror(message);
	return ret;
}


static void _refresh_title(Browser * browser);
static void _refresh_path(Browser * browser);
static void _refresh_new(Browser * browser);
/* static void _refresh_current(Browser * browser); */
void browser_refresh(Browser * browser)
{
	DIR * dir;
	struct stat st;

	if(browser->refresh_id != 0)
		g_source_remove(browser->refresh_id);
	browser->refresh_id = 0;
	if(browser->refresh_dir != NULL)
	{
		closedir(browser->refresh_dir);
		browser->refresh_dir = NULL;
	}
	if(browser->current == NULL)
		return;
	if((dir = opendir(browser->current->data)) == NULL)
	{
		browser_error(browser, strerror(errno), 0);
		return;
	}
	if(fstat(dirfd(dir), &st) != 0)
	{
		browser_error(browser, strerror(errno), 0);
		closedir(dir);
		return;
	}
	browser->refresh_dir = dir;
	_refresh_title(browser);
	_refresh_path(browser);
	/* FIXME make sure this check is portable and fully implement it
	if(st.st_dev != browser->refresh_dev
			|| st.st_ino != browser->refresh_ino) */
		_refresh_new(browser);
/*	else
		_refresh_current(browser);
	browser->refresh_dev = st.st_dev;
	browser->refresh_ino = st.st_ino; */
}

static void _refresh_title(Browser * browser)
{
	char buf[256];

	snprintf(buf, sizeof(buf), "%s%s", "File browser - ",
			(char*)browser->current->data);
	gtk_window_set_title(GTK_WINDOW(browser->window), buf);
}

static void _refresh_path(Browser * browser)
{
	static unsigned int cnt = 0;
	GtkWidget * widget;
	unsigned int i;
	char * p;
	char * q;

	widget = gtk_bin_get_child(GTK_BIN(browser->tb_path));
	gtk_entry_set_text(GTK_ENTRY(widget), browser->current->data);
	for(i = 0; i < cnt; i++)
		gtk_combo_box_remove_text(GTK_COMBO_BOX(browser->tb_path), 0);
	p = g_path_get_dirname(browser->current->data);
	if(strcmp(p, ".") != 0)
	{
		gtk_combo_box_append_text(GTK_COMBO_BOX(browser->tb_path), p);
		for(cnt = 1; strcmp(p, "/") != 0; cnt++)
		{
			q = g_path_get_dirname(p);
			g_free(p);
			p = q;
			gtk_combo_box_append_text(GTK_COMBO_BOX(
						browser->tb_path), p);
		}
	}
	g_free(p);
}

static int _new_loop(Browser * browser);
static gboolean _new_idle(gpointer data);
static void _refresh_new(Browser * browser)
{
	unsigned int i;

	gtk_list_store_clear(browser->store);
	for(i = 0; i < 16 && _new_loop(browser) == 0; i++);
	browser->refresh_id = g_idle_add(_new_idle, browser);
}

static int _new_loop(Browser * browser)
{
	struct dirent * de;
	GtkTreeIter iter;
	char * path;
	struct stat st;
	char * name;
	GdkPixbuf * icon_24 = NULL;
#if GTK_CHECK_VERSION(2, 6, 0)
	GdkPixbuf * icon_48 = NULL;
#endif
	char const * type = NULL;
	uint64_t size = 0;
	struct passwd * pw = NULL;
	struct group * gr = NULL;

	while((de = readdir(browser->refresh_dir)) != NULL)
		if(browser->prefs.show_hidden_files || de->d_name[0] != '.')
			break;
	if(de == NULL)
		return 1;
	gtk_list_store_append(browser->store, &iter);
	if((path = g_build_filename(browser->current->data, de->d_name, NULL))
			!= NULL && lstat(path, &st) != 0)
		_browser_error(path, 0);
	else
	{
		size = st.st_size;
		pw = getpwuid(st.st_uid);
		gr = getgrgid(st.st_gid);
	}
	name = g_filename_to_utf8(de->d_name, -1, NULL, NULL, NULL);
	if((de->d_type & DT_DIR) == DT_DIR)
	{
		icon_24 = browser->pb_folder_24;
#if GTK_CHECK_VERSION(2, 6, 0)
		icon_48 = browser->pb_folder_48;
#endif
	}
	else if((type = mime_type(browser->mime, de->d_name)) != NULL)
	{
#if !GTK_CHECK_VERSION(2, 6, 0)
		icon_24 = mime_icons(browser->mime, browser->theme, type, NULL);
#else
		icon_24 = mime_icons(browser->mime, browser->theme, type,
				&icon_48);
#endif
	}
	gtk_list_store_set(browser->store, &iter, BR_COL_PATH, path,
			BR_COL_DISPLAY_NAME, name != NULL ? name : de->d_name,
			BR_COL_IS_DIRECTORY, (de->d_type & DT_DIR) == DT_DIR,
			BR_COL_PIXBUF_24, icon_24 != NULL ? icon_24
			: browser->pb_file_24,
#if GTK_CHECK_VERSION(2, 6, 0)
			BR_COL_PIXBUF_48, icon_48 != NULL ? icon_48
			: browser->pb_file_48,
#endif
			BR_COL_MIME_TYPE, type != NULL ? type : "",
			BR_COL_SIZE, size,
			BR_COL_OWNER, pw != NULL ? pw->pw_name : "",
			BR_COL_GROUP, gr != NULL ? gr->gr_name : "",
			-1);
	g_free(path);
	return 0;
}

static gboolean _new_idle(gpointer data)
{
	Browser * browser = data;
	unsigned int i;

	for(i = 0; i < 16 && _new_loop(browser) == 0; i++);
	return i == 16;
}


static char * _location_real_path(char const * path);
static int _location_directory(Browser * browser, char * path);
void browser_set_location(Browser * browser, char const * path)
{
	char * realpath = NULL;

	if((realpath = _location_real_path(path)) == NULL)
		return;
	if(g_file_test(realpath, G_FILE_TEST_IS_REGULAR))
		mime_action(browser->mime, "open", realpath);
	else if(g_file_test(realpath, G_FILE_TEST_IS_DIR)
			&& _location_directory(browser, realpath) == 0)
	{
		gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_updir),
				strcmp(browser->current->data, "/") != 0);
		browser_refresh(browser);
		return;
	}
	free(realpath);
}

static char * _location_real_path(char const * path)
{
	char * p;
	char * cur;

	if(path == NULL)
		return NULL;
	if(path[0] == '/')
		return strdup(path);
	cur = g_get_current_dir();
	p = g_build_filename(cur, path, NULL);
	g_free(cur);
	return p;
}

static int _location_directory(Browser * browser, char * path)
{
	if(browser->history == NULL)
	{
		if((browser->history = g_list_alloc()) == NULL)
			return 1;
		browser->history->data = path;
		browser->current = browser->history;
		return 0;
	}
	if(strcmp(browser->current->data, path) == 0)
		return 1;
	g_list_foreach(browser->current->next, (GFunc)free, NULL);
	g_list_free(browser->current->next);
	browser->current->next = NULL;
	browser->history = g_list_append(browser->history, path);
	browser->current = g_list_last(browser->history);
	gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_back), TRUE);
	gtk_widget_set_sensitive(GTK_WIDGET(browser->tb_forward), FALSE);
	return 0;
}


static void _view_details(Browser * browser);
#if GTK_CHECK_VERSION(2, 6, 0)
static void _view_icons(Browser * browser);
static void _view_list(Browser * browser);
#endif
void browser_set_view(Browser * browser, BrowserView view)
{
	switch(view)
	{
		case BV_DETAILS:
			_view_details(browser);
			break;
#if GTK_CHECK_VERSION(2, 6, 0)
		case BV_ICONS:
			_view_icons(browser);
			break;
		case BV_LIST:
			_view_list(browser);
			break;
#endif
	}
}

static void _view_details(Browser * browser)
{
	GtkTreeSelection * treesel;
	GtkCellRenderer * renderer;

	if(browser->detailview != NULL)
		return;
#if GTK_CHECK_VERSION(2, 6, 0)
	if(browser->iconview != NULL)
	{
		/* FIXME keep selection */
		gtk_widget_destroy(browser->iconview);
		browser->iconview = NULL;
	}
#endif
	browser->detailview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(
				browser->store));
	if((treesel = gtk_tree_view_get_selection(GTK_TREE_VIEW(
						browser->detailview))) != NULL)
		gtk_tree_selection_set_mode(treesel, GTK_SELECTION_MULTIPLE);
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("",
				gtk_cell_renderer_pixbuf_new(), "pixbuf",
				BR_COL_PIXBUF_24, NULL));
	renderer = gtk_cell_renderer_text_new();
	g_object_set(renderer, "editable", TRUE, NULL);
	g_signal_connect(G_OBJECT(renderer), "edited", G_CALLBACK(
				on_filename_edited), browser);
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("Filename",
				renderer, "text", BR_COL_DISPLAY_NAME, NULL));
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("Size",
				gtk_cell_renderer_text_new(), "text",
				BR_COL_SIZE, NULL));
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("Owner",
				gtk_cell_renderer_text_new(), "text",
				BR_COL_OWNER, NULL));
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("Group",
				gtk_cell_renderer_text_new(), "text",
				BR_COL_GROUP, NULL));
	gtk_tree_view_append_column(GTK_TREE_VIEW(browser->detailview),
			gtk_tree_view_column_new_with_attributes("MIME type",
				gtk_cell_renderer_text_new(), "text",
				BR_COL_MIME_TYPE, NULL));
	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(browser->detailview),
			TRUE);
	g_signal_connect(G_OBJECT(browser->detailview), "row-activated",
			G_CALLBACK(on_detail_default), browser);
	g_signal_connect(G_OBJECT(browser->detailview), "button-press-event",
			G_CALLBACK(on_view_popup), browser);
	gtk_container_add(GTK_CONTAINER(browser->scrolled),
			browser->detailview);
	gtk_widget_show(browser->detailview);
}

#if GTK_CHECK_VERSION(2, 6, 0)
static void _view_icon_view(Browser * browser);
static void _view_icons(Browser * browser)
{
	GtkCellRenderer * renderer;

	_view_icon_view(browser);
	renderer = gtk_cell_renderer_pixbuf_new();
	g_object_set(renderer, "follow-state", TRUE, NULL);
	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(browser->iconview), renderer,
			TRUE);
	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(browser->iconview),
			renderer, "pixbuf", BR_COL_PIXBUF_48, NULL);
	renderer = gtk_cell_renderer_text_new();
	g_object_set(renderer, "editable", TRUE, "xalign", 0.5,
			"wrap-mode", PANGO_WRAP_WORD_CHAR, "wrap-width", 96,
			NULL);
	g_signal_connect(G_OBJECT(renderer), "edited", G_CALLBACK(
				on_filename_edited), browser);
	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(browser->iconview), renderer,
			TRUE);
	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(browser->iconview),
			renderer, "text", 1, NULL);
	gtk_icon_view_set_item_width(GTK_ICON_VIEW(browser->iconview), 96);
	gtk_icon_view_set_orientation(GTK_ICON_VIEW(browser->iconview),
			GTK_ORIENTATION_VERTICAL);
	gtk_widget_show(browser->iconview);
}

static void _view_icon_view(Browser * browser)
{
	if(browser->iconview != NULL)
	{
		gtk_cell_layout_clear(GTK_CELL_LAYOUT(browser->iconview));
		return;
	}
	if(browser->detailview != NULL)
	{
		gtk_widget_destroy(browser->detailview);
		browser->detailview = NULL;
	}
	browser->iconview = gtk_icon_view_new_with_model(GTK_TREE_MODEL(
				browser->store));
	gtk_icon_view_set_margin(GTK_ICON_VIEW(browser->iconview), 4);
	gtk_icon_view_set_column_spacing(GTK_ICON_VIEW(browser->iconview), 4);
	gtk_icon_view_set_row_spacing(GTK_ICON_VIEW(browser->iconview), 4);
	gtk_icon_view_set_spacing(GTK_ICON_VIEW(browser->iconview), 4);
	gtk_icon_view_set_selection_mode(GTK_ICON_VIEW(browser->iconview),
			GTK_SELECTION_MULTIPLE);
	g_signal_connect(G_OBJECT(browser->iconview), "item-activated",
			G_CALLBACK(on_icon_default), browser);
	g_signal_connect(G_OBJECT(browser->iconview), "button-press-event",
			G_CALLBACK(on_view_popup), browser);
	gtk_container_add(GTK_CONTAINER(browser->scrolled), browser->iconview);
}

static void _view_list(Browser * browser)
{
	GtkCellRenderer * renderer;

	_view_icon_view(browser);
	renderer = gtk_cell_renderer_pixbuf_new();
	g_object_set(renderer, "follow-state", TRUE, NULL);
	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(browser->iconview), renderer,
			TRUE);
	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(browser->iconview),
			renderer, "pixbuf", BR_COL_PIXBUF_24, NULL);
	renderer = gtk_cell_renderer_text_new();
	g_object_set(renderer, "editable", TRUE, "xalign", 0.5,
			"wrap-mode", PANGO_WRAP_WORD_CHAR, "wrap-width", 118,
			NULL);
	gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(browser->iconview), renderer,
			TRUE);
	gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(browser->iconview),
			renderer, "text", 1, NULL);
	gtk_icon_view_set_item_width(GTK_ICON_VIEW(browser->iconview), 146);
	gtk_icon_view_set_orientation(GTK_ICON_VIEW(browser->iconview),
			GTK_ORIENTATION_HORIZONTAL);
	gtk_widget_show(browser->iconview);
}
#endif