#include "gtkmodules.h"
#include "gtkprivate.h"
#include "gtkprintbackend.h"
+#include "gtkprinter-private.h"
#include "gtkalias.h"
#define GTK_PRINT_BACKEND_GET_PRIVATE(o) \
GTypeModuleClass parent_class;
};
-G_DEFINE_TYPE (GtkPrintBackendModule, _gtk_print_backend_module, G_TYPE_TYPE_MODULE);
+G_DEFINE_TYPE (GtkPrintBackendModule, _gtk_print_backend_module, G_TYPE_TYPE_MODULE)
#define GTK_TYPE_PRINT_BACKEND_MODULE (_gtk_print_backend_module_get_type ())
#define GTK_PRINT_BACKEND_MODULE(module) (G_TYPE_CHECK_INSTANCE_CAST ((module), GTK_TYPE_PRINT_BACKEND_MODULE, GtkPrintBackendModule))
return NULL;
}
-GtkPrintBackend *
-_gtk_print_backend_create (const char *backend_name)
+static GtkPrintBackend *
+_gtk_print_backend_create (const gchar *backend_name)
{
GSList *l;
- char *module_path;
- char *full_name;
+ gchar *module_path;
+ gchar *full_name;
GtkPrintBackendModule *pb_module;
GtkPrintBackend *pb;
- /* TODO: make module loading code work */
for (l = loaded_backends; l != NULL; l = l->next)
{
pb_module = l->data;
pb_module);
pb = _gtk_print_backend_module_create (pb_module);
+
+ /* Increase use-count so that we don't unload print backends.
+ * There is a problem with module unloading in the cups module,
+ * see cups_dispatch_watch_finalize for details.
+ */
+ g_type_module_use (G_TYPE_MODULE (pb_module));
}
g_free (module_path);
}
return pb;
-
- return NULL;
}
-static void
-gtk_print_backend_initialize (void)
-{
- static gboolean initialized = FALSE;
-
- if (!initialized)
- {
- gtk_settings_install_property (g_param_spec_string ("gtk-print-backends",
- P_("Default print backend"),
- P_("List of the GtkPrintBackend backends to use by default"),
- GTK_PRINT_BACKENDS,
- GTK_PARAM_READWRITE));
-
- initialized = TRUE;
- }
-}
-
-
-
GList *
-gtk_print_backend_load_modules ()
+gtk_print_backend_load_modules (void)
{
GList *result;
GtkPrintBackend *backend;
result = NULL;
- gtk_print_backend_initialize ();
-
settings = gtk_settings_get_default ();
-
- g_object_get (settings, "gtk-print-backends", &setting, NULL);
+ if (settings)
+ g_object_get (settings, "gtk-print-backends", &setting, NULL);
+ else
+ setting = g_strdup (GTK_PRINT_BACKENDS);
backends = g_strsplit (setting, ",", -1);
* GtkPrintBackend *
*****************************************/
-G_DEFINE_TYPE (GtkPrintBackend, gtk_print_backend, G_TYPE_OBJECT);
-
+G_DEFINE_TYPE (GtkPrintBackend, gtk_print_backend, G_TYPE_OBJECT)
+
+static void fallback_printer_request_details (GtkPrinter *printer);
+static gboolean fallback_printer_mark_conflicts (GtkPrinter *printer,
+ GtkPrinterOptionSet *options);
+static void fallback_printer_get_hard_margins (GtkPrinter *printer,
+ gdouble *top,
+ gdouble *bottom,
+ gdouble *left,
+ gdouble *right);
+static GList * fallback_printer_list_papers (GtkPrinter *printer);
+static GtkPrintCapabilities fallback_printer_get_capabilities (GtkPrinter *printer);
+
static void
gtk_print_backend_class_init (GtkPrintBackendClass *class)
{
object_class->dispose = gtk_print_backend_dispose;
+ class->printer_request_details = fallback_printer_request_details;
+ class->printer_mark_conflicts = fallback_printer_mark_conflicts;
+ class->printer_get_hard_margins = fallback_printer_get_hard_margins;
+ class->printer_list_papers = fallback_printer_list_papers;
+ class->printer_get_capabilities = fallback_printer_get_capabilities;
+
g_type_class_add_private (class, sizeof (GtkPrintBackendPrivate));
-
signals[PRINTER_LIST_CHANGED] =
- g_signal_new ("printer-list-changed",
+ g_signal_new (I_("printer-list-changed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_list_changed),
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[PRINTER_LIST_DONE] =
- g_signal_new ("printer-list-done",
+ g_signal_new (I_("printer-list-done"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_list_done),
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
signals[PRINTER_ADDED] =
- g_signal_new ("printer-added",
+ g_signal_new (I_("printer-added"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_added),
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, GTK_TYPE_PRINTER);
signals[PRINTER_REMOVED] =
- g_signal_new ("printer-removed",
+ g_signal_new (I_("printer-removed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_removed),
g_cclosure_marshal_VOID__OBJECT,
G_TYPE_NONE, 1, GTK_TYPE_PRINTER);
signals[PRINTER_STATUS_CHANGED] =
- g_signal_new ("printer-status-changed",
+ g_signal_new (I_("printer-status-changed"),
G_TYPE_FROM_CLASS (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkPrintBackendClass, printer_status_changed),
priv = backend->priv;
/* We unref the printers in dispose, not in finalize so that
- we can break refcount cycles with gtk_print_backend_destroy */
+ * we can break refcount cycles with gtk_print_backend_destroy
+ */
if (priv->printers)
{
g_hash_table_destroy (priv->printers);
static void
-printer_hash_to_sorted_active_list (const gchar *key,
- gpointer value,
- GList **out_list)
+fallback_printer_request_details (GtkPrinter *printer)
+{
+}
+
+static gboolean
+fallback_printer_mark_conflicts (GtkPrinter *printer,
+ GtkPrinterOptionSet *options)
+{
+ return FALSE;
+}
+
+static void
+fallback_printer_get_hard_margins (GtkPrinter *printer,
+ gdouble *top,
+ gdouble *bottom,
+ gdouble *left,
+ gdouble *right)
+{
+ *top = 0;
+ *bottom = 0;
+ *left = 0;
+ *right = 0;
+}
+
+static GList *
+fallback_printer_list_papers (GtkPrinter *printer)
+{
+ return NULL;
+}
+
+static GtkPrintCapabilities
+fallback_printer_get_capabilities (GtkPrinter *printer)
+{
+ return 0;
+}
+
+
+static void
+printer_hash_to_sorted_active_list (const gchar *key,
+ gpointer value,
+ GList **out_list)
{
GtkPrinter *printer;
void
gtk_print_backend_add_printer (GtkPrintBackend *backend,
- GtkPrinter *printer)
+ GtkPrinter *printer)
{
GtkPrintBackendPrivate *priv;
void
gtk_print_backend_remove_printer (GtkPrintBackend *backend,
- GtkPrinter *printer)
+ GtkPrinter *printer)
{
GtkPrintBackendPrivate *priv;
priv->printer_list_requested = TRUE;
}
- return result;;
+ return result;
}
gboolean
GtkPrinter *
gtk_print_backend_find_printer (GtkPrintBackend *backend,
- const gchar *printer_name)
+ const gchar *printer_name)
{
GtkPrintBackendPrivate *priv;
GtkPrinter *printer;
}
void
-gtk_print_backend_print_stream (GtkPrintBackend *backend,
- GtkPrintJob *job,
- gint data_fd,
+gtk_print_backend_print_stream (GtkPrintBackend *backend,
+ GtkPrintJob *job,
+ GIOChannel *data_io,
GtkPrintJobCompleteFunc callback,
- gpointer user_data,
- GDestroyNotify dnotify)
+ gpointer user_data,
+ GDestroyNotify dnotify)
{
g_return_if_fail (GTK_IS_PRINT_BACKEND (backend));
GTK_PRINT_BACKEND_GET_CLASS (backend)->print_stream (backend,
job,
- data_fd,
+ data_io,
callback,
user_data,
dnotify);
}
-static gboolean
-unref_at_idle_cb (gpointer data)
-{
- g_object_unref (data);
- return FALSE;
-}
-
-void
-gtk_print_backend_unref_at_idle (GtkPrintBackend *print_backend)
-{
- g_idle_add (unref_at_idle_cb, print_backend);
-}
-
void
gtk_print_backend_destroy (GtkPrintBackend *print_backend)
{
/* The lifecycle of print backends and printers are tied, such that
- the backend owns the printers, but the printers also ref the backend.
- This is so that if the app has a reference to a printer its backend
- will be around. However, this results in a cycle, which we break
- with this call, which causes the print backend to release its printers.
- */
+ * the backend owns the printers, but the printers also ref the backend.
+ * This is so that if the app has a reference to a printer its backend
+ * will be around. However, this results in a cycle, which we break
+ * with this call, which causes the print backend to release its printers.
+ */
g_object_run_dispose (G_OBJECT (print_backend));
}
projects / ~andy / gtk / blobdiff