From 859d1f0792177d8d5cc589e64d6dbad04074e0c4 Mon Sep 17 00:00:00 2001 From: Emmanuele Bassi Date: Wed, 16 Jun 2010 12:47:56 +0100 Subject: [PATCH] align-constraint: Publish the properties accessors The accessor methods for the AlignConstraint properties should be public. --- clutter/clutter-align-constraint.c | 221 +++++++++++++++------ clutter/clutter-align-constraint.h | 16 +- doc/reference/clutter/clutter-sections.txt | 6 + 3 files changed, 183 insertions(+), 60 deletions(-) diff --git a/clutter/clutter-align-constraint.c b/clutter/clutter-align-constraint.c index 0ed459c8e..0350a102e 100644 --- a/clutter/clutter-align-constraint.c +++ b/clutter/clutter-align-constraint.c @@ -92,6 +92,9 @@ update_actor_position (ClutterAlignConstraint *align) if (actor == NULL) return; + if (align->source == NULL) + return; + clutter_actor_get_size (align->source, &source_width, &source_height); clutter_actor_get_size (actor, &actor_width, &actor_height); @@ -126,60 +129,6 @@ source_destroyed (ClutterActor *actor, align->source = NULL; } -static void -_clutter_align_constraint_set_source (ClutterAlignConstraint *align, - ClutterActor *source) -{ - ClutterActor *old_source = align->source; - - if (old_source != NULL) - { - g_signal_handlers_disconnect_by_func (old_source, - G_CALLBACK (source_destroyed), - align); - g_signal_handlers_disconnect_by_func (old_source, - G_CALLBACK (source_position_changed), - align); - } - - align->source = source; - g_signal_connect (align->source, "notify", - G_CALLBACK (source_position_changed), - align); - g_signal_connect (align->source, "destroy", - G_CALLBACK (source_destroyed), - align); - - update_actor_position (align); - - g_object_notify (G_OBJECT (align), "source"); -} - -static void -_clutter_align_constraint_set_align_axis (ClutterAlignConstraint *align, - ClutterAlignAxis axis) -{ - if (align->align_axis == axis) - return; - - align->align_axis = axis; - - update_actor_position (align); - - g_object_notify (G_OBJECT (align), "align-axis"); -} - -static void -_clutter_align_constraint_set_factor (ClutterAlignConstraint *align, - gfloat factor) -{ - align->factor = CLAMP (factor, 0.0, 1.0); - - update_actor_position (align); - - g_object_notify (G_OBJECT (align), "factor"); -} - static void clutter_align_constraint_set_property (GObject *gobject, guint prop_id, @@ -191,15 +140,15 @@ clutter_align_constraint_set_property (GObject *gobject, switch (prop_id) { case PROP_SOURCE: - _clutter_align_constraint_set_source (align, g_value_get_object (value)); + clutter_align_constraint_set_source (align, g_value_get_object (value)); break; case PROP_ALIGN_AXIS: - _clutter_align_constraint_set_align_axis (align, g_value_get_enum (value)); + clutter_align_constraint_set_align_axis (align, g_value_get_enum (value)); break; case PROP_FACTOR: - _clutter_align_constraint_set_factor (align, g_value_get_float (value)); + clutter_align_constraint_set_factor (align, g_value_get_float (value)); break; default: @@ -333,3 +282,161 @@ clutter_align_constraint_new (ClutterActor *source, "factor", factor, NULL); } + +/** + * clutter_align_constraint_set_source: + * @align: a #ClutterAlignConstraint + * @source: a #ClutterActor + * + * Sets the source of the alignment constraint + * + * Since: 1.4 + */ +void +clutter_align_constraint_set_source (ClutterAlignConstraint *align, + ClutterActor *source) +{ + ClutterActor *old_source; + + g_return_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align)); + g_return_if_fail (CLUTTER_IS_ACTOR (source)); + + if (align->source == source) + return; + + old_source = align->source; + if (old_source != NULL) + { + g_signal_handlers_disconnect_by_func (old_source, + G_CALLBACK (source_destroyed), + align); + g_signal_handlers_disconnect_by_func (old_source, + G_CALLBACK (source_position_changed), + align); + } + + align->source = source; + g_signal_connect (align->source, "notify", + G_CALLBACK (source_position_changed), + align); + g_signal_connect (align->source, "destroy", + G_CALLBACK (source_destroyed), + align); + + update_actor_position (align); + + g_object_notify (G_OBJECT (align), "source"); +} + +/** + * clutter_align_constraint_get_source: + * @align: a #ClutterAlignConstraint + * + * Retrieves the source of the alignment + * + * Return value: (transfer none): the #ClutterActor used as the source + * of the alignment + * + * Since: 1.4 + */ +ClutterActor * +clutter_align_constraint_get_source (ClutterAlignConstraint *align) +{ + g_return_val_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align), NULL); + + return align->source; +} + +/** + * clutter_align_constraint_set_align_axis: + * @align: a #ClutterAlignConstraint + * @axis: the axis to which the alignment refers to + * + * Sets the axis to which the alignment refers to + * + * Since: 1.4 + */ +void +clutter_align_constraint_set_align_axis (ClutterAlignConstraint *align, + ClutterAlignAxis axis) +{ + g_return_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align)); + + if (align->align_axis == axis) + return; + + align->align_axis = axis; + + update_actor_position (align); + + g_object_notify (G_OBJECT (align), "align-axis"); +} + +/** + * clutter_align_constraint_get_align_axis: + * @align: a #ClutterAlignConstraint + * + * Retrieves the value set using clutter_align_constraint_set_align_axis() + * + * Return value: the alignment axis + * + * Since: 1.4 + */ +ClutterAlignAxis +clutter_align_constraint_get_align_axis (ClutterAlignConstraint *align) +{ + g_return_val_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align), + CLUTTER_ALIGN_X_AXIS); + + return align->align_axis; +} + +/** + * clutter_align_constraint_set_factor: + * @align: a #ClutterAlignConstraint + * @factor: the alignment factor, between 0.0 and 1.0 + * + * Sets the alignment factor of the constraint + * + * The factor depends on the #ClutterAlignConstraint:align-axis property + * and it is a value between 0.0 (meaning left, when + * #ClutterAlignConstraint:align-axis is set to %CLUTTER_ALIGN_X_AXIS; or + * meaning top, when #ClutterAlignConstraint:align-axis is set to + * %CLUTTER_ALIGN_Y_AXIS) and 1.0 (meaning right, when + * #ClutterAlignConstraint:align-axis is set to %CLUTTER_ALIGN_X_AXIS; or + * meaning bottom, when #ClutterAlignConstraint:align-axis is set to + * %CLUTTER_ALIGN_Y_AXIS). A value of 0.5 aligns in the middle in either + * cases + * + * Since: 1.4 + */ +void +clutter_align_constraint_set_factor (ClutterAlignConstraint *align, + gfloat factor) +{ + g_return_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align)); + + align->factor = CLAMP (factor, 0.0, 1.0); + + update_actor_position (align); + + g_object_notify (G_OBJECT (align), "factor"); +} + +/** + * clutter_align_constraint_get_factor: + * @align: a #ClutterAlignConstraint + * + * Retrieves the factor set using clutter_align_constraint_set_factor() + * + * Return value: the alignment factor + * + * Since: 1.4 + */ +gfloat +clutter_align_constraint_get_factor (ClutterAlignConstraint *align) +{ + g_return_val_if_fail (CLUTTER_IS_ALIGN_CONSTRAINT (align), 0.0); + + return align->factor; +} diff --git a/clutter/clutter-align-constraint.h b/clutter/clutter-align-constraint.h index c2289c9ee..73fa27324 100644 --- a/clutter/clutter-align-constraint.h +++ b/clutter/clutter-align-constraint.h @@ -64,9 +64,19 @@ typedef enum { /*< prefix=CLUTTER_ALIGN >*/ GType clutter_align_constraint_get_type (void) G_GNUC_CONST; -ClutterConstraint *clutter_align_constraint_new (ClutterActor *source, - ClutterAlignAxis axis, - gfloat factor); +ClutterConstraint *clutter_align_constraint_new (ClutterActor *source, + ClutterAlignAxis axis, + gfloat factor); + +void clutter_align_constraint_set_source (ClutterAlignConstraint *constraint, + ClutterActor *source); +ClutterActor * clutter_align_constraint_get_source (ClutterAlignConstraint *constraint); +void clutter_align_constraint_set_align_axis (ClutterAlignConstraint *constraint, + ClutterAlignAxis align_axis); +ClutterAlignAxis clutter_align_constraint_get_align_axis (ClutterAlignConstraint *constraint); +void clutter_align_constraint_set_factor (ClutterAlignConstraint *constraint, + gfloat factor); +gfloat clutter_align_constraint_get_factor (ClutterAlignConstraint *constraint); G_END_DECLS diff --git a/doc/reference/clutter/clutter-sections.txt b/doc/reference/clutter/clutter-sections.txt index 873224f06..171f4a498 100644 --- a/doc/reference/clutter/clutter-sections.txt +++ b/doc/reference/clutter/clutter-sections.txt @@ -2229,6 +2229,12 @@ clutter_bind_constraint_get_type ClutterAlignConstraint ClutterAlignAxis clutter_align_constraint_new +clutter_align_constraint_set_source +clutter_align_constraint_get_source +clutter_align_constraint_set_align_axis +clutter_align_constraint_get_align_axis +clutter_align_constraint_set_factor +clutter_align_constraint_get_factor CLUTTER_TYPE_ALIGN_CONSTRAINT