Commit 7969d88c authored by Matthias Clasen's avatar Matthias Clasen

Forgotten files

parent cb7144f2
......@@ -2601,6 +2601,7 @@ gtk_printer_is_virtual
gtk_printer_accepts_pdf
gtk_printer_accepts_ps
gtk_printer_compare
gtk_enumerate_printers
#endif
#endif
#endif
......
......@@ -809,5 +809,151 @@ gtk_printer_compare (GtkPrinter *a, GtkPrinter *b)
return g_ascii_strcasecmp (name_a, name_b);
}
typedef struct
{
GList *backends;
GtkPrinterFunc func;
gpointer data;
GDestroyNotify destroy;
GMainLoop *loop;
} PrinterList;
static void list_done_cb (GtkPrintBackend *backend,
PrinterList *printer_list);
static void
stop_enumeration (PrinterList *printer_list)
{
GList *list, *next;
GtkPrintBackend *backend;
for (list = printer_list->backends; list; list = next)
{
next = list->next;
backend = GTK_PRINT_BACKEND (list->data);
list_done_cb (backend, printer_list);
}
if (printer_list->destroy)
printer_list->destroy (printer_list->data);
if (printer_list->loop)
{
g_main_loop_quit (printer_list->loop);
g_main_loop_unref (printer_list->loop);
}
g_free (printer_list);
}
static void
list_added_cb (GtkPrintBackend *backend,
GtkPrinter *printer,
PrinterList *printer_list)
{
if (printer_list->func (printer, printer_list->data))
stop_enumeration (printer_list);
}
static void
list_done_cb (GtkPrintBackend *backend,
PrinterList *printer_list)
{
printer_list->backends = g_list_remove (printer_list->backends, backend);
g_signal_handlers_disconnect_by_func (backend, list_added_cb, printer_list);
g_signal_handlers_disconnect_by_func (backend, list_done_cb, printer_list);
gtk_print_backend_destroy (backend);
g_object_unref (backend);
if (printer_list->backends == NULL)
stop_enumeration (printer_list);
}
static void
list_printers_init (PrinterList *printer_list,
GtkPrintBackend *backend)
{
GList *list;
GList *node;
list = gtk_print_backend_get_printer_list (backend);
for (node = list; node != NULL; node = node->next)
list_added_cb (backend, node->data, printer_list);
g_list_free (list);
if (gtk_print_backend_printer_list_is_done (backend))
{
printer_list->backends = g_list_remove (printer_list->backends, backend);
gtk_print_backend_destroy (backend);
g_object_unref (backend);
}
else
{
g_signal_connect (backend, "printer-added",
(GCallback) list_added_cb,
printer_list);
g_signal_connect (backend, "printer-list-done",
(GCallback) list_done_cb,
printer_list);
}
}
/**
* gtk_enumerate_printers:
* @func: a function to call for each printer
* @data: user data to pass to @func
* @destroy: function to call if @data is no longer needed
* @wait: if %TRUE, wait in a recursive mainloop until
* all printers are enumerated; otherwise return early
*
* Calls a function for all #GtkPrinter<!-- -->s. If @func
* returns %TRUE, the enumeration is stopped.
*
* Since: 2.10
*/
void
gtk_enumerate_printers (GtkPrinterFunc func,
gpointer data,
GDestroyNotify destroy,
gboolean wait)
{
PrinterList *printer_list;
GList *printers, *node, *next;
GtkPrintBackend *backend;
printer_list = g_new0 (PrinterList, 1);
printer_list->func = func;
printer_list->data = data;
printer_list->destroy = destroy;
if (g_module_supported ())
printer_list->backends = gtk_print_backend_load_modules ();
for (node = printer_list->backends; node != NULL; node = next)
{
next = node->next;
backend = GTK_PRINT_BACKEND (node->data);
list_printers_init (printer_list, backend);
}
if (wait && printer_list->backends)
{
printer_list->loop = g_main_loop_new (NULL, FALSE);
GDK_THREADS_LEAVE ();
g_main_loop_run (printer_list->loop);
GDK_THREADS_ENTER ();
}
}
#define __GTK_PRINTER_C__
#include "gtkaliasdef.c"
......@@ -83,6 +83,14 @@ gboolean gtk_printer_accepts_ps (GtkPrinter *printer
gint gtk_printer_compare (GtkPrinter *a,
GtkPrinter *b);
typedef gboolean (*GtkPrinterFunc) (GtkPrinter *printer,
gpointer data);
void gtk_enumerate_printers (GtkPrinterFunc func,
gpointer data,
GDestroyNotify destroy,
gboolean wait);
G_END_DECLS
#endif /* __GTK_PRINTER_H__ */
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