static gboolean
egg_tree_multi_drag_motion_event (GtkWidget *widget,
GdkEventMotion *event,
gpointer data)
{
EggTreeMultiDndData *priv_data;
priv_data = g_object_get_data (G_OBJECT (widget), EGG_TREE_MULTI_DND_STRING);
if (gtk_drag_check_threshold (widget,
priv_data->x,
priv_data->y,
event->x,
event->y))
{
GList *path_list = NULL;
GtkTreeSelection *selection;
GtkTreeModel *model;
GdkDragContext *context;
TreeViewDragInfo *di;
di = get_info (GTK_TREE_VIEW (widget));
if (di == NULL)
return FALSE;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
stop_drag_check (widget);
gtk_tree_selection_selected_foreach (selection, selection_foreach, &path_list);
path_list = g_list_reverse (path_list);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
if (egg_tree_multi_drag_source_row_draggable (EGG_TREE_MULTI_DRAG_SOURCE (model), path_list))
{
context = gtk_drag_begin (widget,
#if GTK_CHECK_VERSION (2, 14, 0)
gtk_drag_source_get_target_list (widget),
#else
di->source_target_list,
#endif
di->source_actions,
priv_data->pressed_button,
(GdkEvent*)event);
set_context_data (context, path_list);
gtk_drag_set_icon_default (context);
}
else
{
path_list_free (path_list);
}
}
return TRUE;
}
void
brasero_file_chooser_customize (GtkWidget *widget, gpointer null_data)
{
/* we explore everything until we reach a treeview (there are two) */
if (GTK_IS_TREE_VIEW (widget)) {
GtkTargetList *list;
GdkAtom target;
gboolean found;
guint num;
list = gtk_drag_source_get_target_list (widget);
target = gdk_atom_intern ("text/uri-list", TRUE);
found = gtk_target_list_find (list, target, &num);
/* FIXME: should we unref them ? apparently not according to
* the warning messages we get if we do */
if (found
&& gtk_tree_selection_get_mode (gtk_tree_view_get_selection (GTK_TREE_VIEW (widget))) == GTK_SELECTION_MULTIPLE) {
GtkTreeModel *model;
/* This is done because GtkFileChooser does not use a
* GtkListStore or GtkTreeStore any more. */
egg_tree_multi_drag_add_drag_support (GTK_TREE_VIEW (widget));
model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
if (model) {
GType type;
type = G_OBJECT_TYPE (model);
brasero_enable_multi_DND_for_model_type (type);
}
else
g_signal_connect (widget,
"notify::model",
G_CALLBACK (brasero_file_chooser_notify_model),
NULL);
}
}
else if (GTK_IS_BUTTON (widget)) {
GtkWidget *image;
gchar *stock_id = NULL;
image = gtk_button_get_image (GTK_BUTTON (widget));
if (!GTK_IS_IMAGE (image))
return;
gtk_image_get_stock (GTK_IMAGE (image), &stock_id, NULL);
if (stock_id
&& (!strcmp (stock_id,GTK_STOCK_ADD)
|| !strcmp (stock_id, GTK_STOCK_REMOVE))) {
GtkRequisition request;
gint width;
GtkWidget *parent;
/* This is to avoid having the left part too small */
parent = gtk_widget_get_parent (widget);
gtk_widget_get_requisition (parent, &request);
width = request.width;
gtk_widget_get_preferred_size (parent, &request, NULL);
if (request.width >= width)
gtk_widget_set_size_request (parent,
request.width,
request.height);
gtk_widget_hide (widget);
}
}
else if (GTK_IS_CONTAINER (widget)) {
if (GTK_IS_PANED (widget)) {
GtkWidget *left;
/* This is to allow the left part to be shrunk as much
* as the user want. */
left = gtk_paned_get_child1 (GTK_PANED (widget));
g_object_ref (left);
gtk_container_remove (GTK_CONTAINER (widget), left);
gtk_paned_pack1 (GTK_PANED (widget),
left,
TRUE,
TRUE);
g_object_unref (left);
g_signal_connect (widget,
"size-allocate",
G_CALLBACK (brasero_file_chooser_allocation_changed),
NULL);
}
gtk_container_foreach (GTK_CONTAINER (widget),
brasero_file_chooser_customize,
NULL);
}
}
static gboolean
egg_tree_multi_drag_motion_event (GtkWidget *widget,
GdkEventMotion *event,
gpointer data)
{
EggTreeMultiDndData *priv_data;
priv_data = g_object_get_data (G_OBJECT (widget), EGG_TREE_MULTI_DND_STRING);
if (gtk_drag_check_threshold (widget,
priv_data->x,
priv_data->y,
event->x,
event->y))
{
GList *path_list = NULL;
GtkTreeSelection *selection;
GtkTreeModel *model;
GdkDragContext *context;
TreeViewDragInfo *di;
di = get_info (GTK_TREE_VIEW (widget));
if (di == NULL)
return FALSE;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (widget));
if (priv_data->motion_notify_handler) {
g_signal_handler_disconnect (widget, priv_data->motion_notify_handler);
priv_data->motion_notify_handler = 0;
}
if (priv_data->button_release_handler) {
g_signal_handler_disconnect (widget, priv_data->button_release_handler);
priv_data->button_release_handler = 0;
}
stop_drag_check (widget);
gtk_tree_selection_selected_foreach (selection, selection_foreach, &path_list);
path_list = g_list_reverse (path_list);
model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
if (egg_tree_multi_drag_source_row_draggable (EGG_TREE_MULTI_DRAG_SOURCE (model), path_list))
{
gulong sig;
/* This is to disconnect the default signal handler for treeviews as
* it sometimes gives a warning. The default handler just sets the
* icon which we do as well in our callback so it is fine. */
sig = g_signal_connect (widget,
"drag-begin",
G_CALLBACK (egg_tree_multi_drag_begin),
NULL);
context = gtk_drag_begin (widget,
gtk_drag_source_get_target_list (widget),
di->source_actions,
priv_data->pressed_button,
(GdkEvent*)event);
g_signal_handler_disconnect (widget, sig);
set_context_data (context, path_list);
}
else
{
path_list_free (path_list);
}
}
return TRUE;
}
static VALUE
rg_m_source_get_target_list(G_GNUC_UNUSED VALUE self, VALUE widget)
{
GtkTargetList* ret = gtk_drag_source_get_target_list(RVAL2WIDGET(widget));
return NIL_P(ret) ? Qnil : BOXED2RVAL(ret, GTK_TYPE_TARGET_LIST);
}
