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backends: Delegate pointer confinements to an impl object

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Split pointer confinements in 2 objects, one set from the upper layers
containing its definition, and another managed by the backend that
applies it.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
This commit is contained in:
Carlos Garnacho
2020-07-08 18:17:13 +02:00
committed by Marge Bot
parent efd065259d
commit 8a8d47725c
15 changed files with 1134 additions and 813 deletions
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49
src/backends/meta-pointer-constraint.h
View File

@ -32,34 +32,45 @@
G_BEGIN_DECLS
#define META_TYPE_POINTER_CONSTRAINT (meta_pointer_constraint_get_type ())
G_DECLARE_DERIVABLE_TYPE (MetaPointerConstraint, meta_pointer_constraint,
META, POINTER_CONSTRAINT, GObject);
G_DECLARE_FINAL_TYPE (MetaPointerConstraint, meta_pointer_constraint,
META, POINTER_CONSTRAINT, GObject);
MetaPointerConstraint * meta_pointer_constraint_new (const cairo_region_t *region);
cairo_region_t * meta_pointer_constraint_get_region (MetaPointerConstraint *constraint);
#define META_TYPE_POINTER_CONSTRAINT_IMPL (meta_pointer_constraint_impl_get_type ())
G_DECLARE_DERIVABLE_TYPE (MetaPointerConstraintImpl, meta_pointer_constraint_impl,
META, POINTER_CONSTRAINT_IMPL, GObject);
/**
* MetaPointerConstraintClass:
* MetaPointerConstraintImplClass:
* @constrain: the virtual function pointer for
* meta_pointer_constraint_constrain().
* meta_pointer_constraint_impl_constrain().
*/
struct _MetaPointerConstraintClass
struct _MetaPointerConstraintImplClass
{
GObjectClass parent_class;
void (*constrain) (MetaPointerConstraint *constraint,
ClutterInputDevice *device,
guint32 time,
float prev_x,
float prev_y,
float *x,
float *y);
void (* constrain) (MetaPointerConstraintImpl *constraint_impl,
ClutterInputDevice *device,
uint32_t time,
float prev_x,
float prev_y,
float *x,
float *y);
void (* ensure_constrained) (MetaPointerConstraintImpl *constraint_impl,
ClutterInputDevice *device);
};
void meta_pointer_constraint_constrain (MetaPointerConstraint *constraint,
ClutterInputDevice *device,
guint32 time,
float prev_x,
float prev_y,
float *x,
float *y);
void meta_pointer_constraint_impl_constrain (MetaPointerConstraintImpl *constraint_impl,
ClutterInputDevice *device,
uint32_t time,
float prev_x,
float prev_y,
float *x,
float *y);
void meta_pointer_constraint_impl_ensure_constrained (MetaPointerConstraintImpl *constraint_impl,
ClutterInputDevice *device);
G_END_DECLS