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Some more work-in-progress

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This commit is contained in:
Matthias Clasen 2016-02-10 07:25:00 -05:00
parent d70501d865
commit 0175222353
3 changed files with 33 additions and 3 deletions
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13
gobject/gmultibinding.c
View File

@ -154,17 +154,24 @@ on_source_notify (GObject *gobject,
GValue *to_values;
gboolean res;
gint i;
gint notified;
if (binding->is_frozen)
return;
notified = -1;
from_values = g_new0 (GValue, binding->n_sources);
for (i = 0; i < binding->n_sources; i++)
{
g_value_init (&from_values[i], G_PARAM_SPEC_VALUE_TYPE (binding->source_pspec[i]));
g_object_get_property (binding->source[i], binding->source_pspec[i]->name, &from_values[i]);
if (gobject == binding->source[i])
notified = i;
}
g_assert (0 <= notified && notified < binding->n_sources);
to_values = g_new0 (GValue, binding->n_targets);
for (i = 0; i < binding->n_targets; i++)
{
@ -172,7 +179,7 @@ on_source_notify (GObject *gobject,
g_object_get_property (binding->target[i], binding->target_pspec[i]->name, &to_values[i]);
}
res = binding->transform (binding, (const GValue *)from_values, to_values, binding->transform_data);
res = binding->transform (binding, notified, (const GValue *)from_values, to_values, binding->transform_data);
if (res)
{
@ -339,6 +346,7 @@ g_object_multi_bind_property_v (gint n_sources,
gint n_targets,
GObject *targets[],
const gchar *target_properties[],
GMultiBindingFlags flags,
GMultiBindingTransformFunc transform,
gpointer user_data,
GDestroyNotify notify)
@ -443,5 +451,8 @@ g_object_multi_bind_property_v (gint n_sources,
}
}
if (flags & G_MULTI_BINDING_SYNC_CREATE)
on_source_notify (binding->source[0], binding->source_pspec[0], binding);
return binding;
}

21
gobject/gmultibinding.h
View File

@ -34,6 +34,11 @@ G_BEGIN_DECLS
#define G_MULTI_BINDING(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_MULTI_BINDING, GMultiBinding))
#define G_IS_MULTI_BINDING(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_MULTI_BINDING))
typedef enum { /*< prefix=G_MULTI_BINDING >*/
G_MULTI_BINDING_DEFAULT = 0,
G_MULTI_BINDING_SYNC_CREATE = 1 << 1
} GMultiBindingFlags;
/**
* GMultiBinding:
*
@ -45,6 +50,7 @@ G_BEGIN_DECLS
typedef struct _GMultiBinding GMultiBinding;
typedef gboolean (* GMultiBindingTransformFunc) (GMultiBinding *binding,
gint notified,
const GValue from_values[],
GValue to_values[],
gpointer user_data);
@ -74,15 +80,26 @@ GLIB_AVAILABLE_IN_ALL
void g_multi_binding_unbind (GMultiBinding *binding);
GLIB_AVAILABLE_IN_ALL
GMultiBinding *g_object_multi_bind_property_v (gint n_sources,
GMultiBinding *g_object_bind_properties_v (gint n_sources,
GObject *sources[],
const gchar *source_properties[],
gint n_targets,
GObject *targets[],
const gchar *target_properties[],
GMultiBindingFlags flags,
GMultiBindingTransformFunc transform,
gpointer user_data,
GDestroyNotify notify);
GLIB_AVAILABLE_IN_ALL
GMultiBinding *g_object_bind_properties (GObject *source,
const gchar *property,
...
GObject *target,
const gchar *property,
...
GMultiBindingFlags flags,
GMultiBindingTransformFunc transform,
gpointer user_data,
GDestroyNotify notify);
#endif /* __G_MULTI_BINDING_H__ */

2
gobject/tests/multibinding.c
View File

@ -237,6 +237,7 @@ binding_target_init (BindingTarget *self)
static gboolean
munge_two_ints (GMultiBinding *binding,
gint notified,
const GValue from_values[],
GValue to_values[],
gpointer user_data)
@ -273,6 +274,7 @@ multibinding_basic (void)
target_props[1] = "bar";
binding = g_object_multi_bind_property_v (2, sources, source_props,
2, targets, target_props,
G_MULTI_BINDING_DEFAULT,
munge_two_ints,
NULL, NULL);
g_object_add_weak_pointer (G_OBJECT (binding), (gpointer *) &binding);