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On 05/17/2011 09:07 AM, Thibault Duponchelle wrote:
> Hi,
>
> I have a question about drag and drop handling.
>
> Currently, I've add this code to handle drag and drop :
>
> gtk_drag_dest_set(emuwin, GTK_DEST_DEFAULT_ALL, NULL, 0, GDK_ACTION_COPY);
> gtk_drag_dest_add_text_targets(emuwin);
> g_signal_connect(emuwin, "drag-data-received", G_CALLBACK(on_drag_and_drop),
> ewin);
>
>
> And my callback function :
>
> /* Callback function for the drag and drop event */
> gboolean on_drag_and_drop(G_GNUC_UNUSED GtkWidget *win, G_GNUC_UNUSED
> GdkDragContext *dc, G_GNUC_UNUSED gint x, G_GNUC_UNUSED gint y,
> G_GNUC_UNUSED GtkSelectionData *data, G_GNUC_UNUSED guint info,
> G_GNUC_UNUSED guint t, TilemEmulatorWindow * ewin) {
>
> printf("drag and drop !!\n");
> char* filename = (char*)gtk_selection_data_get_text(data); // The
> problem is not the "cast"
> load_file_from_file(ewin->emu, filename );
> return FALSE;
> }
>
> But when I try to use this code, filename looks like this
> file:///home/tib/foo.txt\r\n (escaped characters \r\n are only visible when
> I use gdb).
> I've tried to do not cast gtk_selection_data_get_text return value but same
> problem.
>
> So to really get a correct filename I must do an ugly hack :
>
> filename = filename + 7;
> int size = strlen(filename);
> filename[size - 2] = '\0';
>
> So my question is what's wrong in my code...?
> Or maybe there's a glib function I should use ?
> Maybe I should use "gtk_drag_get_data" then "gdk_drag_get_selection" and
> use GdkAtom ?
Nothing is wrong with your code, except the ugly hack..
You probably need to do something like list
gchar **list;
gint i = 0;
list = g_uri_list_extract_uris((const gchar *)
gtk_selection_data_get_data(selection_data));
if (list) {
while (list[i] != NULL) {
filename = g_filename_from_uri(list[i], NULL, NULL);
i++'
}
g_strfreev(list)
}
Hope that helps,
Kevin
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