gntfilesel.c

Linux下的多协议即时通讯程序源代码

		path = g_strdup_printf("%s" G_DIR_SEPARATOR_S "%s", sel->current, str);
	str = process_path(path);
	g_free(path);
	path = str;

	if (gnt_file_sel_set_current_location(sel, path))
		goto success;

	path = g_path_get_dirname(str);
	g_free(str);

	if (!gnt_file_sel_set_current_location(sel, path)) {
		g_free(path);
		return FALSE;
	}
#if 0
	/* XXX: there needs to be a way to allow other methods for globbing,
	 * like the read_fn stuff. */
	glob_ret = glob(path, GLOB_MARK, NULL, &gl);
	if (!glob_ret) {  /* XXX: do something with the return value */
		char *loc = g_path_get_dirname(gl.gl_pathv[0]);

		stat(gl.gl_pathv[0], &st);
		gnt_file_sel_set_current_location(sel, loc);  /* XXX: check the return value */
		g_free(loc);
		if (!S_ISDIR(st.st_mode) && !sel->dirsonly) {
			gnt_tree_remove_all(GNT_TREE(sel->files));
			for (count = 0; count < gl.gl_pathc; count++) {
				char *tmp = process_path(gl.gl_pathv[count]);
				loc = g_path_get_dirname(tmp);
				if (g_utf8_collate(sel->current, loc) == 0) {
					char *base = g_path_get_basename(tmp);
					char size[128];
					snprintf(size, sizeof(size), "%ld", (long)st.st_size);
					gnt_tree_add_row_after(GNT_TREE(sel->files), base,
							gnt_tree_create_row(GNT_TREE(sel->files), base, size, ""), NULL, NULL);
				}
				g_free(loc);
				g_free(tmp);
			}
			gnt_widget_draw(sel->files);
		}
	} else if (sel->files) {
		gnt_tree_remove_all(GNT_TREE(sel->files));
		gnt_widget_draw(sel->files);
	}
	globfree(&gl);
#endif
success:
	g_free(path);
	return TRUE;
}

static void
file_sel_changed(GntWidget *widget, gpointer old, gpointer current, GntFileSel *sel)
{
	if (GNT_WIDGET_IS_FLAG_SET(widget, GNT_WIDGET_HAS_FOCUS)) {
		g_free(sel->suggest);
		sel->suggest = NULL;
		update_location(sel);
	}
}

static void
gnt_file_sel_map(GntWidget *widget)
{
	GntFileSel *sel = GNT_FILE_SEL(widget);
	GntWidget *hbox, *vbox;

	vbox = gnt_vbox_new(FALSE);
	gnt_box_set_pad(GNT_BOX(vbox), 0);
	gnt_box_set_alignment(GNT_BOX(vbox), GNT_ALIGN_MID);

	/* The dir. and files list */
	hbox = gnt_hbox_new(FALSE);
	gnt_box_set_pad(GNT_BOX(hbox), 0);

	gnt_box_add_widget(GNT_BOX(hbox), sel->dirs);

	if (!sel->dirsonly) {
		gnt_box_add_widget(GNT_BOX(hbox), sel->files);
	} else {
		g_signal_connect(G_OBJECT(sel->dirs), "selection_changed", G_CALLBACK(file_sel_changed), sel);
	}

	gnt_box_add_widget(GNT_BOX(vbox), hbox);
	gnt_box_add_widget(GNT_BOX(vbox), sel->location);

	/* The buttons */
	hbox = gnt_hbox_new(FALSE);
	gnt_box_add_widget(GNT_BOX(hbox), sel->cancel);
	gnt_box_add_widget(GNT_BOX(hbox), sel->select);
	gnt_box_add_widget(GNT_BOX(vbox), hbox);

	gnt_box_add_widget(GNT_BOX(sel), vbox);
	orig_map(widget);
	update_location(sel);
}

static gboolean
toggle_tag_selection(GntBindable *bind, GList *null)
{
	GntFileSel *sel = GNT_FILE_SEL(bind);
	char *str;
	GList *find;
	char *file;
	GntWidget *tree;

	if (!sel->multiselect)
		return FALSE;
	tree = sel->dirsonly ? sel->dirs : sel->files;
	if (!gnt_widget_has_focus(tree))
		return FALSE;

	file = gnt_tree_get_selection_data(sel->dirsonly ? GNT_TREE(sel->dirs) : GNT_TREE(sel->files));

	str = gnt_file_sel_get_selected_file(sel);
	if ((find = g_list_find_custom(sel->tags, str, (GCompareFunc)g_utf8_collate)) != NULL) {
		g_free(find->data);
		sel->tags = g_list_delete_link(sel->tags, find);
		gnt_tree_set_row_flags(GNT_TREE(tree), file, GNT_TEXT_FLAG_NORMAL);
		g_free(str);
	} else {
		sel->tags = g_list_prepend(sel->tags, str);
		gnt_tree_set_row_flags(GNT_TREE(tree), file, GNT_TEXT_FLAG_BOLD);
	}

	gnt_bindable_perform_action_named(GNT_BINDABLE(tree), "move-down", NULL);

	return TRUE;
}

static gboolean
clear_tags(GntBindable *bind, GList *null)
{
	GntFileSel *sel = GNT_FILE_SEL(bind);
	GntWidget *tree;
	GList *iter;

	if (!sel->multiselect)
		return FALSE;
	tree = sel->dirsonly ? sel->dirs : sel->files;
	if (!gnt_widget_has_focus(tree))
		return FALSE;

	g_list_foreach(sel->tags, (GFunc)g_free, NULL);
	g_list_free(sel->tags);
	sel->tags = NULL;

	for (iter = GNT_TREE(tree)->list; iter; iter = iter->next)
		gnt_tree_set_row_flags(GNT_TREE(tree), iter->data, GNT_TEXT_FLAG_NORMAL);

	return TRUE;
}

static gboolean
up_directory(GntBindable *bind, GList *null)
{
	char *path, *dir;
	GntFileSel *sel = GNT_FILE_SEL(bind);
	if (!gnt_widget_has_focus(sel->dirs) &&
			!gnt_widget_has_focus(sel->files))
		return FALSE;

	path = g_build_filename(sel->current, "..", NULL);
	dir = g_path_get_basename(sel->current);
	if (gnt_file_sel_set_current_location(sel, path))
		gnt_tree_set_selected(GNT_TREE(sel->dirs), dir);
	g_free(dir);
	g_free(path);
	return TRUE;
}

static void
gnt_file_sel_class_init(GntFileSelClass *klass)
{
	GntBindableClass *bindable = GNT_BINDABLE_CLASS(klass);
	GntWidgetClass *kl = GNT_WIDGET_CLASS(klass);
	parent_class = GNT_WINDOW_CLASS(klass);
	kl->destroy = gnt_file_sel_destroy;
	orig_map = kl->map;
	kl->map = gnt_file_sel_map;

	signals[SIG_FILE_SELECTED] = 
		g_signal_new("file_selected",
					 G_TYPE_FROM_CLASS(klass),
					 G_SIGNAL_RUN_LAST,
					 G_STRUCT_OFFSET(GntFileSelClass, file_selected),
					 NULL, NULL,
					 gnt_closure_marshal_VOID__STRING_STRING,
					 G_TYPE_NONE, 0);

	gnt_bindable_class_register_action(bindable, "toggle-tag", toggle_tag_selection, "t", NULL);
	gnt_bindable_class_register_action(bindable, "clear-tags", clear_tags, "c", NULL);
	gnt_bindable_class_register_action(bindable, "up-directory", up_directory, GNT_KEY_BACKSPACE, NULL);
	gnt_style_read_actions(G_OBJECT_CLASS_TYPE(klass), GNT_BINDABLE_CLASS(klass));

	GNTDEBUG;
}

static void
gnt_file_sel_init(GTypeInstance *instance, gpointer class)
{
	GNTDEBUG;
}

/******************************************************************************
 * GntFileSel API
 *****************************************************************************/
GType
gnt_file_sel_get_gtype(void)
{
	static GType type = 0;

	if(type == 0)
	{
		static const GTypeInfo info = {
			sizeof(GntFileSelClass),
			NULL,					/* base_init		*/
			NULL,					/* base_finalize	*/
			(GClassInitFunc)gnt_file_sel_class_init,
			NULL,					/* class_finalize	*/
			NULL,					/* class_data		*/
			sizeof(GntFileSel),
			0,						/* n_preallocs		*/
			gnt_file_sel_init,			/* instance_init	*/
			NULL
		};

		type = g_type_register_static(GNT_TYPE_WINDOW,
									  "GntFileSel",
									  &info, 0);
	}

	return type;
}

GntWidget *gnt_file_sel_new(void)
{
	GntWidget *widget = g_object_new(GNT_TYPE_FILE_SEL, NULL);
	GntFileSel *sel = GNT_FILE_SEL(widget);

	sel->dirs = gnt_tree_new();
	gnt_tree_set_compare_func(GNT_TREE(sel->dirs), (GCompareFunc)g_utf8_collate);
	gnt_tree_set_hash_fns(GNT_TREE(sel->dirs), g_str_hash, g_str_equal, g_free);
	gnt_tree_set_column_titles(GNT_TREE(sel->dirs), "Directories");
	gnt_tree_set_show_title(GNT_TREE(sel->dirs), TRUE);
	gnt_tree_set_col_width(GNT_TREE(sel->dirs), 0, 20);
	g_signal_connect(G_OBJECT(sel->dirs), "key_pressed", G_CALLBACK(dir_key_pressed), sel);

	sel->files = gnt_tree_new_with_columns(2);  /* Name, Size */
	gnt_tree_set_compare_func(GNT_TREE(sel->files), (GCompareFunc)g_utf8_collate);
	gnt_tree_set_column_titles(GNT_TREE(sel->files), "Filename", "Size");
	gnt_tree_set_show_title(GNT_TREE(sel->files), TRUE);
	gnt_tree_set_col_width(GNT_TREE(sel->files), 0, 25);
	gnt_tree_set_col_width(GNT_TREE(sel->files), 1, 10);
	g_signal_connect(G_OBJECT(sel->files), "selection_changed", G_CALLBACK(file_sel_changed), sel);

	/* The location entry */
	sel->location = gnt_entry_new(NULL);
	g_signal_connect(G_OBJECT(sel->location), "key_pressed", G_CALLBACK(location_key_pressed), sel);

	sel->cancel = gnt_button_new("Cancel");
	sel->select = gnt_button_new("Select");

	return widget;
}

gboolean gnt_file_sel_set_current_location(GntFileSel *sel, const char *path)
{
	char *old;
	GError *error = NULL;
	gboolean ret = TRUE;

	old = sel->current;
	sel->current = process_path(path);
	if (!location_changed(sel, &error)) {
		g_error_free(error);
		error = NULL;
		g_free(sel->current);
		sel->current = old;
		location_changed(sel, &error);
		ret = FALSE;
	} else
		g_free(old);

	update_location(sel);
	return ret;
}

void gnt_file_sel_set_dirs_only(GntFileSel *sel, gboolean dirs)
{
	sel->dirsonly = dirs;
}

gboolean gnt_file_sel_get_dirs_only(GntFileSel *sel)
{
	return sel->dirsonly;
}

void gnt_file_sel_set_suggested_filename(GntFileSel *sel, const char *suggest)
{
	sel->suggest = g_strdup(suggest);
}

char *gnt_file_sel_get_selected_file(GntFileSel *sel)
{
	char *ret;
	if (sel->dirsonly) {
		ret = g_path_get_dirname(gnt_entry_get_text(GNT_ENTRY(sel->location)));
	} else {
		ret = g_strdup(gnt_entry_get_text(GNT_ENTRY(sel->location)));
	}
	return ret;
}

void gnt_file_sel_set_must_exist(GntFileSel *sel, gboolean must)
{
	/*XXX: What do I do with this? */
	sel->must_exist = must;
}

gboolean gnt_file_sel_get_must_exist(GntFileSel *sel)
{
	return sel->must_exist;
}

void gnt_file_sel_set_multi_select(GntFileSel *sel, gboolean set)
{
	sel->multiselect = set;
}

GList *gnt_file_sel_get_selected_multi_files(GntFileSel *sel)
{
	GList *list = NULL, *iter;
	char *str = gnt_file_sel_get_selected_file(sel);

	for (iter = sel->tags; iter; iter = iter->next) {
		list = g_list_prepend(list, g_strdup(iter->data));
		if (g_utf8_collate(str, iter->data)) {
			g_free(str);
			str = NULL;
		}
	}
	if (str)
		list = g_list_prepend(list, str);
	list = g_list_reverse(list);
	return list;
}

void gnt_file_sel_set_read_fn(GntFileSel *sel, gboolean (*read_fn)(const char *path, GList **files, GError **error))
{
	sel->read_fn = read_fn;
}