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Diffstat (limited to 'liblogdiag/ld-diagram-object.c')
| -rw-r--r-- | liblogdiag/ld-diagram-object.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/liblogdiag/ld-diagram-object.c b/liblogdiag/ld-diagram-object.c new file mode 100644 index 0000000..f43e620 --- /dev/null +++ b/liblogdiag/ld-diagram-object.c @@ -0,0 +1,186 @@ +/* + * ld-diagram-object.c + * + * This file is a part of logdiag. + * Copyright Přemysl Janouch 2010. All rights reserved. + * + * See the file LICENSE for licensing information. + * + */ + +#include "liblogdiag.h" +#include "config.h" + + +/** + * SECTION:ld-diagram-object + * @short_description: A diagram object. + * @see_also: #LdDiagram, #LdCanvas + * + * #LdDiagramObject represents an object in an #LdDiagram. + */ + +/* + * LdDiagramObjectPrivate: + * @x: The X coordinate of this object. + * @y: The Y coordinate of this object. + */ +struct _LdDiagramObjectPrivate +{ + gdouble x; + gdouble y; +}; + +enum +{ + PROP_0, + PROP_X, + PROP_Y +}; + +static void ld_diagram_object_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec); +static void ld_diagram_object_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec); + + +G_DEFINE_ABSTRACT_TYPE (LdDiagramObject, ld_diagram_object, G_TYPE_OBJECT); + +static void +ld_diagram_object_class_init (LdDiagramObjectClass *klass) +{ + GObjectClass *object_class; + GParamSpec *pspec; + + object_class = G_OBJECT_CLASS (klass); + object_class->get_property = ld_diagram_object_get_property; + object_class->set_property = ld_diagram_object_set_property; + +/** + * LdDiagramObject:x: + * + * The X coordinate of the object. + */ + pspec = g_param_spec_double ("x", "X", + "The X coordinate of this object.", + -G_MAXDOUBLE, G_MAXDOUBLE, 0, G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_X, pspec); + +/** + * LdDiagramObject:y: + * + * The Y coordinate of the object. + */ + pspec = g_param_spec_double ("y", "Y", + "The Y coordinate of this object.", + -G_MAXDOUBLE, G_MAXDOUBLE, 0, G_PARAM_READWRITE); + g_object_class_install_property (object_class, PROP_Y, pspec); + + g_type_class_add_private (klass, sizeof (LdDiagramObjectPrivate)); +} + +static void +ld_diagram_object_init (LdDiagramObject *self) +{ + self->priv = G_TYPE_INSTANCE_GET_PRIVATE + (self, LD_TYPE_DIAGRAM_OBJECT, LdDiagramObjectPrivate); +} + +static void +ld_diagram_object_get_property (GObject *object, guint property_id, + GValue *value, GParamSpec *pspec) +{ + LdDiagramObject *self; + + self = LD_DIAGRAM_OBJECT (object); + switch (property_id) + { + case PROP_X: + g_value_set_double (value, ld_diagram_object_get_x (self)); + break; + case PROP_Y: + g_value_set_double (value, ld_diagram_object_get_y (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + +static void +ld_diagram_object_set_property (GObject *object, guint property_id, + const GValue *value, GParamSpec *pspec) +{ + LdDiagramObject *self; + + self = LD_DIAGRAM_OBJECT (object); + switch (property_id) + { + case PROP_X: + ld_diagram_object_set_x (self, g_value_get_double (value)); + break; + case PROP_Y: + ld_diagram_object_set_y (self, g_value_get_double (value)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); + } +} + + +/** + * ld_diagram_object_get_x: + * @self: An #LdDiagramObject object. + * + * Return value: The X coordinate of the object. + */ +gdouble +ld_diagram_object_get_x (LdDiagramObject *self) +{ + g_return_val_if_fail (LD_IS_DIAGRAM_OBJECT (self), 0); + return self->priv->x; +} + +/** + * ld_diagram_object_get_y: + * @self: An #LdDiagramObject object. + * + * Return value: The Y coordinate of the object. + */ +gdouble +ld_diagram_object_get_y (LdDiagramObject *self) +{ + g_return_val_if_fail (LD_IS_DIAGRAM_OBJECT (self), 0); + return self->priv->y; +} + +/** + * ld_diagram_object_set_x: + * @self: An #LdDiagramObject object. + * @x: The new X coordinate. + * + * Set the X coordinate of the object. + */ +void +ld_diagram_object_set_x (LdDiagramObject *self, gdouble x) +{ + g_return_if_fail (LD_IS_DIAGRAM_OBJECT (self)); + self->priv->x = x; + + g_object_notify (G_OBJECT (self), "x"); +} + +/** + * ld_diagram_object_set_y: + * @self: An #LdDiagramObject object. + * @y: The new Y coordinate. + * + * Set the Y coordinate of the object. + */ +void +ld_diagram_object_set_y (LdDiagramObject *self, gdouble y) +{ + g_return_if_fail (LD_IS_DIAGRAM_OBJECT (self)); + self->priv->y = y; + + g_object_notify (G_OBJECT (self), "y"); +} |