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Add GObject notifications to GsweMoment

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This commit is contained in:
Gergely Polonkai 2014-09-29 00:04:20 +02:00
parent 385458d655
commit 0b190d47d0
1 changed files with 63 additions and 26 deletions
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89
src/gswe-moment.c
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@ -94,7 +94,8 @@ enum {
PROP_0,
PROP_TIMESTAMP,
PROP_COORDINATES,
PROP_HOUSE_SYSTEM
PROP_HOUSE_SYSTEM,
PROP_COUNT
};
struct GsweAspectFinder {
@ -120,6 +121,8 @@ static void gswe_moment_get_property(
GValue *value,
GParamSpec *pspec);
static GParamSpec *properties[PROP_COUNT];
G_DEFINE_TYPE(GsweMoment, gswe_moment, G_TYPE_OBJECT);
static void
@ -158,16 +161,21 @@ gswe_moment_class_init(GsweMomentClass *klass)
*
* The timestamp associated with this moment
*/
properties[PROP_TIMESTAMP] = g_param_spec_object(
"timestamp",
"Timestamp",
"Timestamp of this moment",
GSWE_TYPE_TIMESTAMP,
G_PARAM_STATIC_NICK
| G_PARAM_STATIC_NAME
| G_PARAM_STATIC_BLURB
| G_PARAM_READABLE
| G_PARAM_WRITABLE
);
g_object_class_install_property(
gobject_class,
PROP_TIMESTAMP,
g_param_spec_object(
"timestamp",
"Timestamp",
"Timestamp of this moment",
GSWE_TYPE_TIMESTAMP,
G_PARAM_READWRITE
)
properties[PROP_TIMESTAMP]
);
/**
@ -175,16 +183,21 @@ gswe_moment_class_init(GsweMomentClass *klass)
*
* The geographical coordinates associated with this moment
*/
properties[PROP_COORDINATES] = g_param_spec_boxed(
"coordinates",
"Coordinates",
"Geographical coordinates",
GSWE_TYPE_COORDINATES,
G_PARAM_STATIC_NICK
| G_PARAM_STATIC_NAME
| G_PARAM_STATIC_BLURB
| G_PARAM_READABLE
| G_PARAM_WRITABLE
);
g_object_class_install_property(
gobject_class,
PROP_COORDINATES,
g_param_spec_boxed(
"coordinates",
"Coordinates",
"Geographical coordinates",
GSWE_TYPE_COORDINATES,
G_PARAM_READWRITE
)
properties[PROP_COORDINATES]
);
/**
@ -192,17 +205,22 @@ gswe_moment_class_init(GsweMomentClass *klass)
*
* The house system associated with this moment
*/
properties[PROP_HOUSE_SYSTEM] = g_param_spec_enum(
"house-system",
"House System",
"Astrological house system",
GSWE_TYPE_HOUSE_SYSTEM,
GSWE_HOUSE_SYSTEM_PLACIDUS,
G_PARAM_STATIC_NICK
| G_PARAM_STATIC_NAME
| G_PARAM_STATIC_BLURB
| G_PARAM_READABLE
| G_PARAM_WRITABLE
);
g_object_class_install_property(
gobject_class,
PROP_HOUSE_SYSTEM,
g_param_spec_enum(
"house-system",
"House System",
"Astrological house system",
GSWE_TYPE_HOUSE_SYSTEM,
GSWE_HOUSE_SYSTEM_PLACIDUS,
G_PARAM_READWRITE
)
properties[PROP_HOUSE_SYSTEM]
);
}
@ -387,6 +405,10 @@ gswe_moment_get_property(
void
gswe_moment_set_timestamp(GsweMoment *moment, GsweTimestamp *timestamp)
{
if (moment->priv->timestamp == timestamp) {
return;
}
if (moment->priv->timestamp != NULL) {
g_signal_handlers_disconnect_by_func(
moment->priv->timestamp,
@ -408,6 +430,7 @@ gswe_moment_set_timestamp(GsweMoment *moment, GsweTimestamp *timestamp)
/* Emit the changed signal to notify registrants of the change */
gswe_moment_emit_changed(moment);
g_object_notify_by_pspec(G_OBJECT(moment), properties[PROP_TIMESTAMP]);
}
/**
@ -447,11 +470,22 @@ gswe_moment_set_coordinates(
gdouble latitude,
gdouble altitude)
{
GsweCoordinates *current_coords = &(moment->priv->coordinates);
if (
(current_coords->longitude == longitude)
&& (current_coords->latitude == latitude)
&& (current_coords->altitude == altitude)
) {
return;
}
moment->priv->coordinates.longitude = longitude;
moment->priv->coordinates.latitude = latitude;
moment->priv->coordinates.altitude = altitude;
moment->priv->revision++;
gswe_moment_emit_changed(moment);
g_object_notify_by_pspec(G_OBJECT(moment), properties[PROP_COORDINATES]);
}
/**
@ -481,9 +515,12 @@ gswe_moment_get_coordinates(GsweMoment *moment)
void
gswe_moment_set_house_system(GsweMoment *moment, GsweHouseSystem house_system)
{
moment->priv->house_system = house_system;
moment->priv->revision++;
gswe_moment_emit_changed(moment);
if (moment->priv->house_system != house_system) {
moment->priv->house_system = house_system;
moment->priv->revision++;
gswe_moment_emit_changed(moment);
g_object_notify_by_pspec(G_OBJECT(moment), properties[PROP_HOUSE_SYSTEM]);
}
}
/**