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125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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#ifndef __META_BARRIER_H__
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#define __META_BARRIER_H__
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#include <glib-object.h>
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#include <meta/display.h>
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G_BEGIN_DECLS
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#define META_TYPE_BARRIER (meta_barrier_get_type ())
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#define META_BARRIER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_BARRIER, MetaBarrier))
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#define META_BARRIER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_BARRIER, MetaBarrierClass))
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#define META_IS_BARRIER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_BARRIER))
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#define META_IS_BARRIER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_BARRIER))
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#define META_BARRIER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_BARRIER, MetaBarrierClass))
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typedef struct _MetaBarrier MetaBarrier;
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typedef struct _MetaBarrierClass MetaBarrierClass;
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typedef struct _MetaBarrierPrivate MetaBarrierPrivate;
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typedef struct _MetaBarrierEvent MetaBarrierEvent;
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/**
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* MetaBarrier:
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*
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* The <structname>MetaBarrier</structname> structure contains
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* only private data and should be accessed using the provided API
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*
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**/
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struct _MetaBarrier
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{
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GObject parent;
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MetaBarrierPrivate *priv;
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};
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/**
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* MetaBarrierClass:
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*
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* The <structname>MetaBarrierClass</structname> structure contains only
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* private data.
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*/
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struct _MetaBarrierClass
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{
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/*< private >*/
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GObjectClass parent_class;
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};
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META_EXPORT
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GType meta_barrier_get_type (void) G_GNUC_CONST;
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META_EXPORT
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gboolean meta_barrier_is_active (MetaBarrier *barrier);
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META_EXPORT
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void meta_barrier_destroy (MetaBarrier *barrier);
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META_EXPORT
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void meta_barrier_release (MetaBarrier *barrier,
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MetaBarrierEvent *event);
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/**
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* MetaBarrierDirection:
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* @META_BARRIER_DIRECTION_POSITIVE_X: Positive direction in the X axis
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* @META_BARRIER_DIRECTION_POSITIVE_Y: Positive direction in the Y axis
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* @META_BARRIER_DIRECTION_NEGATIVE_X: Negative direction in the X axis
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* @META_BARRIER_DIRECTION_NEGATIVE_Y: Negative direction in the Y axis
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*/
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/* Keep in sync with XFixes */
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typedef enum
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{
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META_BARRIER_DIRECTION_POSITIVE_X = 1 << 0,
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META_BARRIER_DIRECTION_POSITIVE_Y = 1 << 1,
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META_BARRIER_DIRECTION_NEGATIVE_X = 1 << 2,
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META_BARRIER_DIRECTION_NEGATIVE_Y = 1 << 3,
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} MetaBarrierDirection;
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/**
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* MetaBarrierEvent:
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* @event_id: A unique integer ID identifying a
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* consecutive series of motions at or along the barrier
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* @time: Server time, in milliseconds
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* @dt: Server time, in milliseconds, since the last event
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* sent for this barrier
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* @x: The cursor X position in screen coordinates
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* @y: The cursor Y position in screen coordinates.
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* @dx: If the cursor hadn't been constrained, the delta
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* of X movement past the barrier, in screen coordinates
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* @dy: If the cursor hadn't been constrained, the delta
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* of X movement past the barrier, in screen coordinates
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* @released: A boolean flag, %TRUE if this event generated
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* by the pointer leaving the barrier as a result of a client
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* calling meta_barrier_release() (will be set only for
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* MetaBarrier::leave signals)
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* @grabbed: A boolean flag, %TRUE if the pointer was grabbed
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* at the time this event was sent
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*/
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struct _MetaBarrierEvent {
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/* < private > */
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volatile guint ref_count;
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/* < public > */
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int event_id;
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int dt;
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guint32 time;
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double x;
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double y;
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double dx;
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double dy;
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gboolean released;
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gboolean grabbed;
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};
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#define META_TYPE_BARRIER_EVENT (meta_barrier_event_get_type ())
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META_EXPORT
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GType meta_barrier_event_get_type (void) G_GNUC_CONST;
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G_END_DECLS
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#endif /* __META_BARRIER_H__ */
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