drag-data-get
This signal is emitted when the user has dragged something from one widget and dropped it onto another widget. The data to be transferred from one to another widget is requested via this signal.
To set the data, use the set() function of the selection.
例 60. Passing drag data to the drop target
function dnd_drag_data_get($widget, $context, $selection_data, $info, $time)
{
$dnd_string = "Perl is the only language that looks\nthe same before and after RSA encryption";
$selection_data->set($selection_data->target, 8, $dnd_string);
}
|
Callback function
void callback(
GtkWidget
widget
,
GdkDragContext
context
,
GtkSelectionData
selection_data
, int info, int time);
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