* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
+
+/*
+ * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
EMISSION_DONE
};
-#define GTK_RUN_TYPE(x) ((x) & GTK_RUN_MASK)
+#define GTK_RUN_TYPE(x) ((x) & GTK_RUN_BOTH)
typedef struct _GtkSignal GtkSignal;
typedef struct _GtkSignalHash GtkSignalHash;
typedef struct _GtkHandler GtkHandler;
typedef struct _GtkEmission GtkEmission;
-typedef union _GtkEmissionAllocator GtkEmissionAllocator;
+typedef struct _GtkEmissionHookData GtkEmissionHookData;
typedef struct _GtkDisconnectInfo GtkDisconnectInfo;
typedef void (*GtkSignalMarshaller0) (GtkObject *object,
GtkType object_type;
gchar *name;
guint function_offset;
- GtkSignalRunType signal_flags;
GtkSignalMarshaller marshaller;
GtkType return_val;
+ guint signal_flags : 16;
+ guint nparams : 16;
GtkType *params;
- guint nparams;
+ GHookList *hook_list;
};
struct _GtkSignalHash
struct _GtkHandler
{
guint id;
+ GtkHandler *next;
+ GtkHandler *prev;
guint blocked : 20;
guint object_signal : 1;
guint after : 1;
GtkSignalFunc func;
gpointer func_data;
GtkSignalDestroy destroy_func;
- GtkHandler *prev;
- GtkHandler *next;
};
struct _GtkEmission
{
- GtkObject *object;
- guint signal_id;
+ GtkObject *object;
+ guint16 signal_id;
+ guint in_hook : 1;
+ GtkEmission *next;
};
-union _GtkEmissionAllocator
+struct _GtkEmissionHookData
{
- GtkEmissionAllocator *next;
- GtkEmission emission;
+ GtkObject *object;
+ guint signal_id;
+ guint n_params;
+ GtkArg *params;
};
struct _GtkDisconnectInfo
static void gtk_signal_real_emit (GtkObject *object,
guint signal_id,
GtkArg *params);
-static GtkHandler* gtk_signal_get_handlers (GtkObject *object,
- guint signal_type);
static guint gtk_signal_connect_by_type (GtkObject *object,
guint signal_id,
GtkSignalFunc func,
gint no_marshal);
static guint gtk_alive_disconnecter (GtkDisconnectInfo *info);
static GtkEmission* gtk_emission_new (void);
-static void gtk_emission_add (GList **emissions,
+static void gtk_emission_add (GtkEmission **emissions,
GtkObject *object,
guint signal_type);
-static void gtk_emission_remove (GList **emissions,
+static void gtk_emission_remove (GtkEmission **emissions,
GtkObject *object,
guint signal_type);
-static gint gtk_emission_check (GList *emissions,
+static gint gtk_emission_check (GtkEmission *emissions,
GtkObject *object,
guint signal_type);
static gint gtk_handlers_run (GtkHandler *handlers,
GtkObject *object,
GtkArg *params,
gint after);
-static gboolean gtk_signal_collect_params (GtkArg *params,
+static gboolean gtk_emission_hook_marshaller (GHook *hook,
+ gpointer data);
+static gboolean gtk_signal_collect_params (GtkArg *params,
guint nparams,
GtkType *param_types,
GtkType return_type,
va_list var_args);
#define LOOKUP_SIGNAL_ID(signal_id) ( \
- signal_id > 0 && signal_id < gtk_n_signals ? \
- (GtkSignal*) gtk_signals + signal_id : \
+ signal_id > 0 && signal_id < _gtk_private_n_signals ? \
+ (GtkSignal*) _gtk_private_signals + signal_id : \
(GtkSignal*) 0 \
)
static GtkSignalDestroy global_destroy_notify = NULL;
static guint gtk_handler_id = 1;
-static guint handler_quark = 0;
+static guint gtk_handler_quark = 0;
static GHashTable *gtk_signal_hash_table = NULL;
-static GtkSignal *gtk_signals = NULL;
-static guint gtk_n_signals = 0;
+#ifdef G_OS_WIN32
+#define EXPORT __declspec(dllexport)
+#else
+#define EXPORT
+#endif
+EXPORT GtkSignal *_gtk_private_signals = NULL;
+EXPORT guint _gtk_private_n_signals = 0;
static GMemChunk *gtk_signal_hash_mem_chunk = NULL;
static GMemChunk *gtk_disconnect_info_mem_chunk = NULL;
static GtkHandler *gtk_handler_free_list = NULL;
-static GtkEmissionAllocator *gtk_emission_free_list = NULL;
+static GtkEmission *gtk_free_emissions = NULL;
-static GList *current_emissions = NULL;
-static GList *stop_emissions = NULL;
-static GList *restart_emissions = NULL;
+static GtkEmission *current_emissions = NULL;
+static GtkEmission *stop_emissions = NULL;
+static GtkEmission *restart_emissions = NULL;
static GtkSignal*
gtk_signal_next_and_invalidate (void)
/* nearest pow
*/
- size = gtk_n_signals + SIGNAL_BLOCK_SIZE;
+ size = _gtk_private_n_signals + SIGNAL_BLOCK_SIZE;
size *= sizeof (GtkSignal);
i = 1;
while (i < size)
i <<= 1;
size = i;
- gtk_signals = g_realloc (gtk_signals, size);
+ _gtk_private_signals = g_realloc (_gtk_private_signals, size);
- gtk_n_free_signals = size / sizeof (GtkSignal) - gtk_n_signals;
+ gtk_n_free_signals = size / sizeof (GtkSignal) - _gtk_private_n_signals;
- memset (gtk_signals + gtk_n_signals, 0, gtk_n_free_signals * sizeof (GtkSignal));
+ memset (_gtk_private_signals + _gtk_private_n_signals, 0, gtk_n_free_signals * sizeof (GtkSignal));
}
- new_signal_id = gtk_n_signals++;
+ new_signal_id = _gtk_private_n_signals++;
gtk_n_free_signals--;
+
+ g_assert (_gtk_private_n_signals < 65535);
signal = LOOKUP_SIGNAL_ID (new_signal_id);
if (signal)
return signal;
}
+static inline GtkHandler*
+gtk_signal_get_handlers (GtkObject *object,
+ guint signal_id)
+{
+ GtkHandler *handlers;
+
+ handlers = gtk_object_get_data_by_id (object, gtk_handler_quark);
+
+ while (handlers)
+ {
+ if (handlers->signal_id == signal_id)
+ return handlers;
+ handlers = handlers->next;
+ }
+
+ return NULL;
+}
+
void
gtk_signal_init (void)
{
- if (!handler_quark)
+ if (!gtk_handler_quark)
{
GtkSignal *zero;
zero = gtk_signal_next_and_invalidate ();
g_assert (zero == NULL);
- handler_quark = g_quark_from_static_string ("gtk-signal-handlers");
+ gtk_handler_quark = g_quark_from_static_string ("gtk-signal-handlers");
gtk_signal_hash_mem_chunk =
g_mem_chunk_new ("GtkSignalHash mem chunk",
sizeof (GtkDisconnectInfo) * DISCONNECT_INFO_BLOCK_SIZE,
G_ALLOC_AND_FREE);
gtk_handler_free_list = NULL;
- gtk_emission_free_list = NULL;
+ gtk_free_emissions = NULL;
gtk_signal_hash_table = g_hash_table_new (gtk_signal_hash,
gtk_signal_compare);
if (nparams)
g_return_val_if_fail (params != NULL, 0);
- if (!handler_quark)
+ if (!gtk_handler_quark)
gtk_signal_init ();
if (return_val != GTK_TYPE_NONE &&
(signal_flags & GTK_RUN_BOTH) == GTK_RUN_FIRST)
{
- g_warning ("gtk_signal_newv(): signal \"%s\" with return value `%s' excludes GTK_RUN_LAST",
+ g_warning ("gtk_signal_newv(): signal \"%s\" - return value `%s' incompatible with GTK_RUN_FIRST",
name, gtk_type_name (return_val));
g_free (name);
return 0;
signal->object_type = object_type;
signal->name = name;
signal->function_offset = function_offset;
- signal->signal_flags = signal_flags;
signal->marshaller = marshaller;
signal->return_val = return_val;
+ signal->signal_flags = signal_flags;
signal->nparams = nparams;
+ signal->hook_list = NULL;
if (nparams > 0)
{
GtkType object_type)
{
GtkSignalHash hash;
-
+ GtkType lookup_type;
+ gpointer class = NULL;
+
g_return_val_if_fail (name != NULL, 0);
- g_return_val_if_fail (gtk_type_is_a (object_type, GTK_TYPE_OBJECT), 0);
+ g_return_val_if_fail (GTK_TYPE_IS_OBJECT (object_type), 0);
+ relookup:
+
+ lookup_type = object_type;
hash.quark = g_quark_try_string (name);
if (hash.quark)
{
- while (object_type)
+ while (lookup_type)
{
guint signal_id;
- hash.object_type = object_type;
+ hash.object_type = lookup_type;
signal_id = GPOINTER_TO_UINT (g_hash_table_lookup (gtk_signal_hash_table, &hash));
if (signal_id)
return signal_id;
- object_type = gtk_type_parent (object_type);
+ lookup_type = gtk_type_parent (lookup_type);
}
}
-
+
+ if (!class)
+ {
+ class = gtk_type_class (object_type);
+ goto relookup;
+ }
+
return 0;
}
gtk_signal_emit_stop (GtkObject *object,
guint signal_id)
{
+ gint state;
+
g_return_if_fail (object != NULL);
g_return_if_fail (signal_id >= 1);
- if (gtk_emission_check (current_emissions, object, signal_id))
- gtk_emission_add (&stop_emissions, object, signal_id);
+ state = gtk_emission_check (current_emissions, object, signal_id);
+ if (state > 1)
+ g_warning ("gtk_signal_emit_stop(): emission (%u) for object `%s' cannot be stopped from emission hook",
+ signal_id,
+ gtk_type_name (GTK_OBJECT_TYPE (object)));
+ else if (state)
+ {
+ if (!gtk_emission_check (stop_emissions, object, signal_id))
+ gtk_emission_add (&stop_emissions, object, signal_id);
+ }
else
g_warning ("gtk_signal_emit_stop(): no current emission (%u) for object `%s'",
signal_id,
gtk_signal_n_emissions (GtkObject *object,
guint signal_id)
{
- GList *list;
+ GtkEmission *emission;
guint n;
g_return_val_if_fail (object != NULL, 0);
g_return_val_if_fail (GTK_IS_OBJECT (object), 0);
n = 0;
- for (list = current_emissions; list; list = list->next)
+ for (emission = current_emissions; emission; emission = emission->next)
{
- GtkEmission *emission;
-
- emission = list->data;
-
- if ((emission->object == object) &&
- (emission->signal_id == signal_id))
+ if (emission->object == object && emission->signal_id == signal_id)
n++;
}
object_signal, after, FALSE);
}
-guint
-gtk_signal_connect_interp (GtkObject *object,
- const gchar *name,
- GtkCallbackMarshal func,
- gpointer func_data,
- GtkDestroyNotify destroy_func,
- gint after)
-{
- return gtk_signal_connect_full (object, name, NULL, func,
- func_data, destroy_func, FALSE, after);
-}
-
guint
gtk_signal_connect_object (GtkObject *object,
const gchar *name,
g_return_if_fail (object != NULL);
g_return_if_fail (handler_id > 0);
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (func != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (object != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (object != NULL);
g_return_if_fail (handler_id > 0);
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (func != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (object != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (object != NULL);
g_return_if_fail (handler_id > 0);
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (func != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
g_return_if_fail (object != NULL);
found_one = FALSE;
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
while (handler)
{
* handler_key data on each removal
*/
- handler = gtk_object_get_data_by_id (object, handler_quark);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
if (handler)
{
handler = handler->next;
GtkHandler *next;
next = handler->next;
- gtk_signal_handler_unref (handler, object);
+ if (handler->id > 0)
+ {
+ handler->id = 0;
+ handler->blocked += 1;
+ gtk_signal_handler_unref (handler, object);
+ }
handler = next;
}
- handler = gtk_object_get_data_by_id (object, handler_quark);
- gtk_signal_handler_unref (handler, object);
+ handler = gtk_object_get_data_by_id (object, gtk_handler_quark);
+ if (handler->id > 0)
+ {
+ handler->id = 0;
+ handler->blocked += 1;
+ gtk_signal_handler_unref (handler, object);
+ }
}
}
if (handler->prev)
handler->prev->next = handler->next;
else if (handler->next)
- gtk_object_set_data_by_id (object, handler_quark, handler->next);
+ gtk_object_set_data_by_id (object, gtk_handler_quark, handler->next);
else
{
GTK_OBJECT_UNSET_FLAGS (object, GTK_CONNECTED);
- gtk_object_set_data_by_id (object, handler_quark, NULL);
+ gtk_object_set_data_by_id (object, gtk_handler_quark, NULL);
}
if (handler->next)
handler->next->prev = handler->prev;
/* FIXME: remove */ g_assert (handler->next == NULL);
/* FIXME: remove */ g_assert (handler->prev == NULL);
- tmp = gtk_object_get_data_by_id (object, handler_quark);
+ tmp = gtk_object_get_data_by_id (object, gtk_handler_quark);
if (!tmp)
{
GTK_OBJECT_SET_FLAGS (object, GTK_CONNECTED);
- gtk_object_set_data_by_id (object, handler_quark, handler);
+ gtk_object_set_data_by_id (object, gtk_handler_quark, handler);
}
else
while (tmp)
handler->prev = tmp->prev;
}
else
- gtk_object_set_data_by_id (object, handler_quark, handler);
+ gtk_object_set_data_by_id (object, gtk_handler_quark, handler);
tmp->prev = handler;
handler->next = tmp;
break;
}
}
+
+#ifdef G_ENABLE_DEBUG
+/* value typically set via gdb */
static GtkObject *gtk_trace_signal_object = NULL;
+#endif /* G_ENABLE_DEBUG */
+
static void
gtk_signal_real_emit (GtkObject *object,
{
GtkSignal signal;
GtkHandler *handlers;
- GtkSignalFunc *signal_func_offset;
+ GtkSignalFunc signal_func;
+ GtkEmission *emission;
/* gtk_handlers_run() expects a reentrant GtkSignal*, so we allocate
* it locally on the stack. we save some lookups ourselves with this as well.
*/
signal = *LOOKUP_SIGNAL_ID (signal_id);
if (signal.function_offset)
- {
- signal_func_offset = (GtkSignalFunc*) ((guchar*) object->klass + signal.function_offset);
- if (!*signal_func_offset)
- signal_func_offset = (GtkSignalFunc*) 0;
- }
+ signal_func = G_STRUCT_MEMBER (GtkSignalFunc, ((GTypeInstance*) object)->g_class, signal.function_offset);
else
- signal_func_offset = NULL;
+ signal_func = NULL;
#ifdef G_ENABLE_DEBUG
if (gtk_debug_flags & GTK_DEBUG_SIGNALS ||
object == gtk_trace_signal_object)
- fprintf (stdout, "GTK-DEBUG: signal_emit (\"%s\") for %s:%p (class-pointer %p)\n",
- signal.name,
- gtk_type_name (GTK_OBJECT_TYPE (object)),
- object,
- signal_func_offset);
+ g_message ("%s::%s emitted (object=%p class-method=%p)\n",
+ gtk_type_name (GTK_OBJECT_TYPE (object)),
+ signal.name,
+ object,
+ signal_func);
#endif /* G_ENABLE_DEBUG */
- if ((signal.signal_flags & GTK_RUN_NO_RECURSE) &&
- gtk_emission_check (current_emissions, object, signal_id))
+ if (signal.signal_flags & GTK_RUN_NO_RECURSE)
{
- gtk_emission_add (&restart_emissions, object, signal_id);
- return;
+ gint state;
+
+ state = gtk_emission_check (current_emissions, object, signal_id);
+ if (state)
+ {
+ if (state > 1)
+ g_warning ("gtk_signal_real_emit(): emission (%u) for object `%s' cannot be restarted from emission hook",
+ signal_id,
+ gtk_type_name (GTK_OBJECT_TYPE (object)));
+ else if (!gtk_emission_check (restart_emissions, object, signal_id))
+ gtk_emission_add (&restart_emissions, object, signal_id);
+
+ return;
+ }
}
gtk_object_ref (object);
-
+
gtk_emission_add (¤t_emissions, object, signal_id);
+ emission = current_emissions;
emission_restart:
- if (GTK_RUN_TYPE (signal.signal_flags) != GTK_RUN_LAST && signal_func_offset)
- signal.marshaller (object, *signal_func_offset, NULL, params);
+ if (signal.signal_flags & GTK_RUN_FIRST && signal_func)
+ {
+ signal.marshaller (object, signal_func, NULL, params);
+
+ if (stop_emissions && gtk_emission_check (stop_emissions, object, signal_id))
+ {
+ gtk_emission_remove (&stop_emissions, object, signal_id);
+ goto emission_done;
+ }
+ else if (restart_emissions &&
+ signal.signal_flags & GTK_RUN_NO_RECURSE &&
+ gtk_emission_check (restart_emissions, object, signal_id))
+ {
+ gtk_emission_remove (&restart_emissions, object, signal_id);
+
+ goto emission_restart;
+ }
+ }
+
+ if (signal.hook_list && !GTK_OBJECT_DESTROYED (object))
+ {
+ GtkEmissionHookData data;
+
+ data.object = object;
+ data.n_params = signal.nparams;
+ data.params = params;
+ data.signal_id = signal_id;
+ emission->in_hook = 1;
+ g_hook_list_marshal_check (signal.hook_list, TRUE, gtk_emission_hook_marshaller, &data);
+ emission->in_hook = 0;
+ }
+
if (GTK_OBJECT_CONNECTED (object))
{
handlers = gtk_signal_get_handlers (object, signal_id);
if (handlers)
{
gint return_val;
-
+
return_val = gtk_handlers_run (handlers, &signal, object, params, FALSE);
switch (return_val)
{
- case EMISSION_CONTINUE:
+ case EMISSION_CONTINUE:
break;
- case EMISSION_RESTART:
+ case EMISSION_RESTART:
goto emission_restart;
- case EMISSION_DONE:
+ case EMISSION_DONE:
goto emission_done;
}
}
}
- if (GTK_RUN_TYPE (signal.signal_flags) != GTK_RUN_FIRST && signal_func_offset)
- signal.marshaller (object, *signal_func_offset, NULL, params);
+ if (signal.signal_flags & GTK_RUN_LAST && signal_func)
+ {
+ signal.marshaller (object, signal_func, NULL, params);
+
+ if (stop_emissions && gtk_emission_check (stop_emissions, object, signal_id))
+ {
+ gtk_emission_remove (&stop_emissions, object, signal_id);
+ goto emission_done;
+ }
+ else if (restart_emissions &&
+ signal.signal_flags & GTK_RUN_NO_RECURSE &&
+ gtk_emission_check (restart_emissions, object, signal_id))
+ {
+ gtk_emission_remove (&restart_emissions, object, signal_id);
+
+ goto emission_restart;
+ }
+ }
if (GTK_OBJECT_CONNECTED (object))
{
if (handlers)
{
gint return_val;
-
+
return_val = gtk_handlers_run (handlers, &signal, object, params, TRUE);
switch (return_val)
{
}
emission_done:
+ if (restart_emissions && signal.signal_flags & GTK_RUN_NO_RECURSE)
+ gtk_emission_remove (&restart_emissions, object, signal_id);
gtk_emission_remove (¤t_emissions, object, signal_id);
- if (signal.signal_flags & GTK_RUN_NO_RECURSE)
- gtk_emission_remove (&restart_emissions, object, signal_id);
-
gtk_object_unref (object);
}
-static GtkHandler*
-gtk_signal_get_handlers (GtkObject *object,
- guint signal_id)
-{
- GtkHandler *handlers;
-
- handlers = gtk_object_get_data_by_id (object, handler_quark);
-
- while (handlers)
- {
- if (handlers->signal_id == signal_id)
- return handlers;
- handlers = handlers->next;
- }
-
- return NULL;
-}
-
guint
gtk_signal_handler_pending (GtkObject *object,
guint signal_id,
if (handlers->id > 0 &&
handlers->func == func &&
handlers->func_data == data &&
- (may_be_blocked || handlers->blocked == FALSE))
+ (may_be_blocked || handlers->blocked == 0))
{
handler_id = handlers->id;
break;
return handler_id;
}
+gint
+gtk_signal_handler_pending_by_id (GtkObject *object,
+ guint handler_id,
+ gboolean may_be_blocked)
+{
+ GtkHandler *handlers;
+
+ g_return_val_if_fail (object != NULL, FALSE);
+ g_return_val_if_fail (handler_id >= 1, FALSE);
+
+ if (GTK_OBJECT_CONNECTED (object))
+ handlers = gtk_object_get_data_by_id (object, gtk_handler_quark);
+ else
+ return FALSE;
+
+ while (handlers)
+ {
+ if (handlers->id == handler_id)
+ return may_be_blocked || handlers->blocked == 0;
+
+ handlers = handlers->next;
+ }
+
+ return FALSE;
+}
+
+guint
+gtk_signal_add_emission_hook (guint signal_id,
+ GtkEmissionHook hook_func,
+ gpointer data)
+{
+ return gtk_signal_add_emission_hook_full (signal_id, hook_func, data, NULL);
+}
+
+guint
+gtk_signal_add_emission_hook_full (guint signal_id,
+ GtkEmissionHook hook_func,
+ gpointer data,
+ GDestroyNotify destroy)
+{
+ static guint seq_hook_id = 1;
+ GtkSignal *signal;
+ GHook *hook;
+
+ g_return_val_if_fail (signal_id > 0, 0);
+ g_return_val_if_fail (hook_func != NULL, 0);
+
+ signal = LOOKUP_SIGNAL_ID (signal_id);
+ g_return_val_if_fail (signal != NULL, 0);
+ if (signal->signal_flags & GTK_RUN_NO_HOOKS)
+ {
+ g_warning ("gtk_signal_add_emission_hook_full(): signal \"%s\" does not support emission hooks",
+ signal->name);
+ return 0;
+ }
+
+ if (!signal->hook_list)
+ {
+ signal->hook_list = g_new (GHookList, 1);
+ g_hook_list_init (signal->hook_list, sizeof (GHook));
+ }
+
+ hook = g_hook_alloc (signal->hook_list);
+ hook->data = data;
+ hook->func = hook_func;
+ hook->destroy = destroy;
+
+ signal->hook_list->seq_id = seq_hook_id;
+ g_hook_prepend (signal->hook_list, hook);
+ seq_hook_id = signal->hook_list->seq_id;
+
+ return hook->hook_id;
+}
+
+void
+gtk_signal_remove_emission_hook (guint signal_id,
+ guint hook_id)
+{
+ GtkSignal *signal;
+
+ g_return_if_fail (signal_id > 0);
+ g_return_if_fail (hook_id > 0);
+
+ signal = LOOKUP_SIGNAL_ID (signal_id);
+ g_return_if_fail (signal != NULL);
+
+ if (!signal->hook_list || !g_hook_destroy (signal->hook_list, hook_id))
+ g_warning ("gtk_signal_remove_emission_hook(): could not find hook (%u)", hook_id);
+}
+
+static gboolean
+gtk_emission_hook_marshaller (GHook *hook,
+ gpointer data_p)
+{
+ GtkEmissionHookData *data = data_p;
+ GtkEmissionHook func;
+
+ func = hook->func;
+
+ if (!GTK_OBJECT_DESTROYED (data->object))
+ return func (data->object, data->signal_id,
+ data->n_params, data->params,
+ hook->data);
+ else
+ return TRUE;
+}
+
static guint
gtk_signal_connect_by_type (GtkObject *object,
guint signal_id,
GtkObjectClass *class;
GtkHandler *handler;
gint found_it;
+ GtkSignal *signal;
+
+ g_return_val_if_fail (GTK_IS_OBJECT (object), 0);
- g_return_val_if_fail (object != NULL, 0);
- g_return_val_if_fail (object->klass != NULL, 0);
-
+ signal = LOOKUP_SIGNAL_ID (signal_id);
+
/* Search through the signals for this object and make
* sure the one we are adding is valid. We need to perform
* the lookup on the objects parents as well. If it isn't
* return correct signal ids per class-branch.
*/
found_it = FALSE;
- class = object->klass;
+ class = GTK_OBJECT_GET_CLASS (object);
while (class)
{
GtkType parent;
break;
}
- parent = gtk_type_parent (class->type);
- if (parent)
- class = gtk_type_class (parent);
+ parent = g_type_parent (GTK_CLASS_TYPE (class));
+ if (GTK_TYPE_IS_OBJECT (parent))
+ class = g_type_class_peek (parent);
else
class = NULL;
}
{
g_warning ("gtk_signal_connect_by_type(): could not find signal id (%u) in the `%s' class ancestry",
signal_id,
- gtk_type_name (object->klass->type));
+ GTK_OBJECT_TYPE_NAME (object));
return 0;
}
handler = gtk_signal_handler_new ();
handler->id = gtk_handler_id++;
handler->signal_id = signal_id;
- handler->object_signal = object_signal;
+ handler->object_signal = object_signal != FALSE;
handler->func = func;
handler->func_data = func_data;
handler->destroy_func = destroy_func;
{
GtkEmission *emission;
- if (!gtk_emission_free_list)
+ if (!gtk_free_emissions)
{
- GtkEmissionAllocator *emission_block;
+ GtkEmission *emission_block;
guint i;
- emission_block = g_new0 (GtkEmissionAllocator, EMISSION_BLOCK_SIZE);
+ emission_block = g_new0 (GtkEmission, EMISSION_BLOCK_SIZE);
for (i = 1; i < EMISSION_BLOCK_SIZE; i++)
{
- (emission_block + i)->next = gtk_emission_free_list;
- gtk_emission_free_list = (emission_block + i);
+ (emission_block + i)->next = gtk_free_emissions;
+ gtk_free_emissions = (emission_block + i);
}
- emission = &emission_block->emission;
+ emission = emission_block;
}
else
{
- emission = >k_emission_free_list->emission;
- gtk_emission_free_list = gtk_emission_free_list->next;
+ emission = gtk_free_emissions;
+ gtk_free_emissions = emission->next;
}
emission->object = NULL;
emission->signal_id = 0;
+ emission->in_hook = 0;
+ emission->next = NULL;
return emission;
}
static void
-gtk_emission_add (GList **emissions,
- GtkObject *object,
- guint signal_id)
+gtk_emission_add (GtkEmission **emissions,
+ GtkObject *object,
+ guint signal_id)
{
GtkEmission *emission;
emission = gtk_emission_new ();
emission->object = object;
emission->signal_id = signal_id;
-
- *emissions = g_list_prepend (*emissions, emission);
+
+ emission->next = *emissions;
+ *emissions = emission;
}
static void
-gtk_emission_remove (GList **emissions,
- GtkObject *object,
- guint signal_id)
+gtk_emission_remove (GtkEmission **emissions,
+ GtkObject *object,
+ guint signal_id)
{
- GList *tmp;
+ GtkEmission *emission, *last;
g_return_if_fail (emissions != NULL);
-
- tmp = *emissions;
- while (tmp)
+
+ last = NULL;
+ emission = *emissions;
+ while (emission)
{
- GtkEmissionAllocator *ea;
-
- ea = tmp->data;
-
- if ((ea->emission.object == object) &&
- (ea->emission.signal_id == signal_id))
+ if (emission->object == object && emission->signal_id == signal_id)
{
- *emissions = g_list_remove_link (*emissions, tmp);
- g_list_free (tmp);
+ if (last)
+ last->next = emission->next;
+ else
+ *emissions = emission->next;
- ea->next = gtk_emission_free_list;
- gtk_emission_free_list = ea;
+ emission->next = gtk_free_emissions;
+ gtk_free_emissions = emission;
break;
}
-
- tmp = tmp->next;
+
+ last = emission;
+ emission = last->next;
}
}
static gint
-gtk_emission_check (GList *emissions,
- GtkObject *object,
- guint signal_id)
+gtk_emission_check (GtkEmission *emission,
+ GtkObject *object,
+ guint signal_id)
{
- GtkEmission *emission;
- GList *tmp;
-
- tmp = emissions;
- while (tmp)
+ while (emission)
{
- emission = tmp->data;
- tmp = tmp->next;
-
- if ((emission->object == object) &&
- (emission->signal_id == signal_id))
- return TRUE;
+ if (emission->object == object && emission->signal_id == signal_id)
+ return 1 + emission->in_hook;
+ emission = emission->next;
}
return FALSE;
}
gtk_signal_handler_ref (handlers);
- if (handlers->blocked == 0 && (handlers->after == after))
+ if (!handlers->blocked && handlers->after == after)
{
if (handlers->func)
{
signal->nparams,
params);
else if (handlers->object_signal)
- /* don't GTK_OBJECT(handlers->func_data) cast */
+ /* don't cast with GTK_OBJECT () */
(* signal->marshaller) ((GtkObject*) handlers->func_data,
handlers->func,
- handlers->func_data,
+ object,
params);
else
(* signal->marshaller) (object,
signal->params,
signal->return_val);
- if (gtk_emission_check (stop_emissions, object,
- signal->signal_id))
+ if (stop_emissions && gtk_emission_check (stop_emissions,
+ object,
+ signal->signal_id))
{
- gtk_emission_remove (&stop_emissions, object,
- signal->signal_id);
+ gtk_emission_remove (&stop_emissions, object, signal->signal_id);
- if (signal->signal_flags & GTK_RUN_NO_RECURSE)
- gtk_emission_remove (&restart_emissions, object,
- signal->signal_id);
gtk_signal_handler_unref (handlers, object);
+
return EMISSION_DONE;
}
- else if ((signal->signal_flags & GTK_RUN_NO_RECURSE) &&
- gtk_emission_check (restart_emissions, object,
- signal->signal_id))
+ else if (restart_emissions &&
+ signal->signal_flags & GTK_RUN_NO_RECURSE &&
+ gtk_emission_check (restart_emissions, object, signal->signal_id))
{
- gtk_emission_remove (&restart_emissions, object,
- signal->signal_id);
+ gtk_emission_remove (&restart_emissions, object, signal->signal_id);
+
gtk_signal_handler_unref (handlers, object);
+
return EMISSION_RESTART;
}
}
{
register gchar *error;
- params->type = *(param_types++);
params->name = NULL;
- GTK_ARG_COLLECT_VALUE (GTK_FUNDAMENTAL_TYPE (params->type),
- params,
+ params->type = *(param_types++);
+ GTK_ARG_COLLECT_VALUE (params,
var_args,
error);
if (error)
return_type = GTK_FUNDAMENTAL_TYPE (return_type);
if (return_type != GTK_TYPE_NONE)
{
- if ((return_type >= GTK_TYPE_FLAT_FIRST &&
- return_type <= GTK_TYPE_FLAT_LAST) ||
- (return_type == GTK_TYPE_OBJECT))
+ if (return_type != 0) /* FIXME: check for IS_PARAM */
{
GTK_VALUE_POINTER (*params) = va_arg (var_args, gpointer);
projects / ~andy / gtk / blobdiff