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bindings: Replace GtkBindingArg arguments with GVariant

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So far, this only replaces invocation, not yet parsing.
This commit is contained in:
Benjamin Otte 2018-07-31 20:09:03 +02:00 committed by Matthias Clasen
parent e17db0abde
commit f8c523fa72
1 changed files with 112 additions and 61 deletions
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173
gtk/gtkbindings.c
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@ -167,8 +167,7 @@ struct _GtkBindingSignalSignal
{
GtkBindingSignal parent;
const gchar *signal_name;
guint n_args;
GtkBindingArg *args;
GVariant *args;
};
struct _GtkBindingSignalAction
@ -199,16 +198,17 @@ static GQuark key_id_class_binding_set = 0;
static GtkBindingSignal*
binding_signal_new_signal (const gchar *signal_name,
guint n_args)
GVariant *args)
{
GtkBindingSignalSignal *signal;
signal = (GtkBindingSignalSignal *) g_slice_alloc0 (sizeof (GtkBindingSignalSignal) + n_args * sizeof (GtkBindingArg));
signal = g_slice_new0 (GtkBindingSignalSignal);
signal->parent.next = NULL;
signal->parent.action_type = GTK_BINDING_SIGNAL;
signal->signal_name = g_intern_string (signal_name);
signal->n_args = n_args;
signal->args = (GtkBindingArg *)(signal + 1);
signal->args = args;
if (args)
g_variant_ref_sink (args);
return &signal->parent;
}
@ -254,19 +254,13 @@ binding_signal_new_callback (GtkBindingCallback callback,
static void
binding_signal_free (GtkBindingSignal *signal)
{
guint i;
switch (signal->action_type)
{
case GTK_BINDING_SIGNAL:
{
GtkBindingSignalSignal *sig = (GtkBindingSignalSignal *) signal;
for (i = 0; i < sig->n_args; i++)
{
if (G_TYPE_FUNDAMENTAL (sig->args[i].arg_type) == G_TYPE_STRING)
g_free (sig->args[i].d.string_data);
}
g_slice_free1 (sizeof (GtkBindingSignalSignal) + sig->n_args * sizeof (GtkBindingArg), sig);
g_clear_pointer (&sig->args, g_variant_unref);
g_slice_free (GtkBindingSignalSignal, sig);
}
break;
@ -513,9 +507,9 @@ binding_entry_destroy (GtkBindingEntry *entry)
}
static GtkBindingEntry*
binding_ht_lookup_entry (GtkBindingSet *set,
guint keyval,
GdkModifierType modifiers)
binding_ht_lookup_entry (GtkBindingSet *set,
guint keyval,
GdkModifierType modifiers)
{
GtkBindingEntry lookup_entry = { 0 };
GtkBindingEntry *entry;
@ -535,10 +529,10 @@ binding_ht_lookup_entry (GtkBindingSet *set,
}
static gboolean
binding_compose_params (GObject *object,
GtkBindingArg *args,
GSignalQuery *query,
GValue **params_p)
binding_compose_params (GObject *object,
GVariantIter *args,
GSignalQuery *query,
GValue **params_p)
{
GValue *params;
const GType *types;
@ -559,20 +553,22 @@ binding_compose_params (GObject *object,
for (i = 1; i < query->n_params + 1 && valid; i++)
{
GValue tmp_value = G_VALUE_INIT;
GVariant *tmp_variant;
g_value_init (params, *types);
tmp_variant = g_variant_iter_next_value (args);
switch (G_TYPE_FUNDAMENTAL (args->arg_type))
switch ((guint) g_variant_classify (tmp_variant))
{
case G_TYPE_DOUBLE:
case G_VARIANT_CLASS_DOUBLE:
g_value_init (&tmp_value, G_TYPE_DOUBLE);
g_value_set_double (&tmp_value, args->d.double_data);
g_value_set_double (&tmp_value, g_variant_get_double (tmp_variant));
break;
case G_TYPE_LONG:
case G_VARIANT_CLASS_INT64:
g_value_init (&tmp_value, G_TYPE_LONG);
g_value_set_long (&tmp_value, args->d.long_data);
g_value_set_long (&tmp_value, g_variant_get_int64 (tmp_variant));
break;
case G_TYPE_STRING:
case G_VARIANT_CLASS_STRING:
/* gtk_rc_parse_flags/enum() has fancier parsing for this; we can't call
* that since we don't have a GParamSpec, so just do something simple
*/
@ -580,12 +576,13 @@ binding_compose_params (GObject *object,
{
GEnumClass *class = G_ENUM_CLASS (g_type_class_ref (*types));
GEnumValue *enum_value;
const char *s = g_variant_get_string (tmp_variant, NULL);
valid = FALSE;
enum_value = g_enum_get_value_by_name (class, args->d.string_data);
enum_value = g_enum_get_value_by_name (class, s);
if (!enum_value)
enum_value = g_enum_get_value_by_nick (class, args->d.string_data);
enum_value = g_enum_get_value_by_nick (class, s);
if (enum_value)
{
@ -604,12 +601,13 @@ binding_compose_params (GObject *object,
{
GFlagsClass *class = G_FLAGS_CLASS (g_type_class_ref (*types));
GFlagsValue *flags_value;
const char *s = g_variant_get_string (tmp_variant, NULL);
valid = FALSE;
flags_value = g_flags_get_value_by_name (class, args->d.string_data);
flags_value = g_flags_get_value_by_name (class, s);
if (!flags_value)
flags_value = g_flags_get_value_by_nick (class, args->d.string_data);
flags_value = g_flags_get_value_by_nick (class, s);
if (flags_value)
{
g_value_init (&tmp_value, *types);
@ -622,7 +620,7 @@ binding_compose_params (GObject *object,
else
{
g_value_init (&tmp_value, G_TYPE_STRING);
g_value_set_static_string (&tmp_value, args->d.string_data);
g_value_set_static_string (&tmp_value, g_variant_get_string (tmp_variant, NULL));
}
break;
default:
@ -638,9 +636,9 @@ binding_compose_params (GObject *object,
g_value_unset (&tmp_value);
}
g_variant_unref (tmp_variant);
types++;
params++;
args++;
}
if (!valid)
@ -659,41 +657,60 @@ binding_compose_params (GObject *object,
static gboolean
binding_signal_activate_signal (GtkBindingSignalSignal *sig,
const char *set_name,
guint keyval,
GdkModifierType modifiers,
GObject *object)
{
GSignalQuery query;
guint signal_id;
GValue *params = NULL;
GValue return_val = G_VALUE_INIT;
GVariantIter args_iter;
gsize n_args;
gboolean handled = FALSE;
signal_id = g_signal_lookup (sig->signal_name, G_OBJECT_TYPE (object));
if (!signal_id)
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): binding \"%s::%s\": "
"could not find signal \"%s\" in the '%s' class ancestry",
set_name, accelerator,
sig->signal_name,
g_type_name (G_OBJECT_TYPE (object)));
g_free (accelerator);
return FALSE;
}
g_signal_query (signal_id, &query);
if (query.n_params != sig->n_args ||
if (sig->args)
n_args = g_variant_iter_init (&args_iter, sig->args);
else
n_args = 0;
if (query.n_params != n_args ||
(query.return_type != G_TYPE_NONE && query.return_type != G_TYPE_BOOLEAN) ||
!binding_compose_params (object, sig->args, &query, &params))
!binding_compose_params (object, &args_iter, &query, &params))
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): binding \"%s::%s\": "
"signature mismatch for signal \"%s\" in the '%s' class ancestry",
set_name, accelerator,
sig->signal_name,
g_type_name (G_OBJECT_TYPE (object)));
g_free (accelerator);
return FALSE;
}
else if (!(query.signal_flags & G_SIGNAL_ACTION))
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): binding \"%s::%s\": "
"signal \"%s\" in the '%s' class ancestry cannot be used for action emissions",
set_name, accelerator,
sig->signal_name,
g_type_name (G_OBJECT_TYPE (object)));
g_free (accelerator);
return FALSE;
}
@ -726,22 +743,31 @@ binding_signal_activate_signal (GtkBindingSignalSignal *sig,
static gboolean
binding_signal_activate_action (GtkBindingSignalAction *sig,
const char *set_name,
guint keyval,
GdkModifierType modifiers,
GObject *object)
{
if (!GTK_IS_WIDGET (object))
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): binding \"%s::%s\": "
"actions must be emitted on GtkWidget subtypes, %s is not supported",
set_name, accelerator,
G_OBJECT_TYPE_NAME (object));
g_free (accelerator);
return FALSE;
}
if (!gtk_widget_activate_action_variant (GTK_WIDGET (object), sig->action_name, sig->variant))
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): binding \"%s::%s\": "
"action \"%s\" does not exist on class \"%s\"",
set_name, accelerator,
sig->action_name,
G_OBJECT_TYPE_NAME (object));
g_free (accelerator);
return FALSE;
}
@ -750,13 +776,19 @@ binding_signal_activate_action (GtkBindingSignalAction *sig,
static gboolean
binding_signal_activate_callback (GtkBindingSignalCallback *sig,
const char *set_name,
guint keyval,
GdkModifierType modifiers,
GObject *object)
{
if (!GTK_IS_WIDGET (object))
{
g_warning ("gtk_binding_entry_activate(): "
char *accelerator = gtk_accelerator_name (keyval, modifiers);
g_warning ("gtk_binding_entry_activate(): \"%s::%s\": "
"callbacks must be run on GtkWidget subtypes, %s is not supported",
set_name, accelerator,
G_OBJECT_TYPE_NAME (object));
g_free (accelerator);
return FALSE;
}
@ -783,15 +815,24 @@ gtk_binding_entry_activate (GtkBindingEntry *entry,
switch (sig->action_type)
{
case GTK_BINDING_SIGNAL:
handled = binding_signal_activate_signal ((GtkBindingSignalSignal *) sig, object);
handled = binding_signal_activate_signal ((GtkBindingSignalSignal *) sig,
entry->binding_set->set_name,
entry->keyval, entry->modifiers,
object);
break;
case GTK_BINDING_ACTION:
handled = binding_signal_activate_action ((GtkBindingSignalAction *) sig, object);
handled = binding_signal_activate_action ((GtkBindingSignalAction *) sig,
entry->binding_set->set_name,
entry->keyval, entry->modifiers,
object);
break;
case GTK_BINDING_CALLBACK:
handled = binding_signal_activate_callback ((GtkBindingSignalCallback *) sig, object);
handled = binding_signal_activate_callback ((GtkBindingSignalCallback *) sig,
entry->binding_set->set_name,
entry->keyval, entry->modifiers,
object);
break;
default:
@ -1059,14 +1100,18 @@ gtk_binding_entry_add_signall (GtkBindingSet *binding_set,
GtkBindingSignal *signal;
GSList *slist;
guint n = 0;
GtkBindingArg *arg;
GVariantBuilder builder;
GtkBindingEntry *entry;
GtkBindingSignal **signal_p;
g_return_if_fail (binding_set != NULL);
g_return_if_fail (signal_name != NULL);
signal = binding_signal_new_signal (signal_name, g_slist_length (binding_args));
keyval = gdk_keyval_to_lower (keyval);
modifiers = modifiers & BINDING_MOD_MASK ();
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
arg = ((GtkBindingSignalSignal *) signal)->args;
for (slist = binding_args; slist; slist = slist->next)
{
GtkBindingArg *tmp_arg;
@ -1075,40 +1120,46 @@ gtk_binding_entry_add_signall (GtkBindingSet *binding_set,
if (!tmp_arg)
{
g_warning ("gtk_binding_entry_add_signall(): arg[%u] is 'NULL'", n);
binding_signal_free (signal);
return;
}
switch (G_TYPE_FUNDAMENTAL (tmp_arg->arg_type))
{
case G_TYPE_LONG:
arg->arg_type = G_TYPE_LONG;
arg->d.long_data = tmp_arg->d.long_data;
g_variant_builder_add (&builder, "x", (gint64) tmp_arg->d.long_data);
break;
case G_TYPE_DOUBLE:
arg->arg_type = G_TYPE_DOUBLE;
arg->d.double_data = tmp_arg->d.double_data;
g_variant_builder_add (&builder, "d", (double) tmp_arg->d.double_data);
break;
case G_TYPE_STRING:
arg->arg_type = G_TYPE_STRING;
arg->d.string_data = g_strdup (tmp_arg->d.string_data);
if (!arg->d.string_data)
if (!tmp_arg->d.string_data)
{
g_warning ("gtk_binding_entry_add_signall(): value of 'string' arg[%u] is 'NULL'", n);
binding_signal_free (signal);
g_variant_builder_clear (&builder);
return;
}
g_variant_builder_add (&builder, "s", (gint64) tmp_arg->d.string_data);
break;
default:
g_warning ("gtk_binding_entry_add_signall(): unsupported type '%s' for arg[%u]",
g_type_name (arg->arg_type), n);
binding_signal_free (signal);
g_type_name (tmp_arg->arg_type), n);
g_variant_builder_clear (&builder);
return;
}
arg++;
n++;
}
gtk_binding_entry_add_binding_signal (binding_set, keyval, modifiers, signal);
signal = binding_signal_new_signal (signal_name, g_variant_builder_end (&builder));
entry = binding_ht_lookup_entry (binding_set, keyval, modifiers);
if (!entry)
{
gtk_binding_entry_clear_internal (binding_set, keyval, modifiers);
entry = binding_ht_lookup_entry (binding_set, keyval, modifiers);
}
signal_p = &entry->signals;
while (*signal_p)
signal_p = &(*signal_p)->next;
*signal_p = signal;
}
/**