mirror of
https://github.com/brl/mutter.git
synced 2024-11-24 09:00:42 -05:00
116 lines
3.5 KiB
C
116 lines
3.5 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
|
|
|
|
#ifndef __META_BARRIER_H__
|
|
#define __META_BARRIER_H__
|
|
|
|
#include <glib-object.h>
|
|
|
|
#include <meta/display.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define META_TYPE_BARRIER (meta_barrier_get_type ())
|
|
#define META_BARRIER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_BARRIER, MetaBarrier))
|
|
#define META_BARRIER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_BARRIER, MetaBarrierClass))
|
|
#define META_IS_BARRIER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_BARRIER))
|
|
#define META_IS_BARRIER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_BARRIER))
|
|
#define META_BARRIER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_BARRIER, MetaBarrierClass))
|
|
|
|
typedef struct _MetaBarrier MetaBarrier;
|
|
typedef struct _MetaBarrierClass MetaBarrierClass;
|
|
typedef struct _MetaBarrierPrivate MetaBarrierPrivate;
|
|
|
|
typedef struct _MetaBarrierEvent MetaBarrierEvent;
|
|
|
|
/**
|
|
* MetaBarrier:
|
|
*
|
|
* The <structname>MetaBarrier</structname> structure contains
|
|
* only private data and should be accessed using the provided API
|
|
*
|
|
**/
|
|
struct _MetaBarrier
|
|
{
|
|
GObject parent;
|
|
|
|
MetaBarrierPrivate *priv;
|
|
};
|
|
|
|
/**
|
|
* MetaBarrierClass:
|
|
*
|
|
* The <structname>MetaBarrierClass</structname> structure contains only
|
|
* private data.
|
|
*/
|
|
struct _MetaBarrierClass
|
|
{
|
|
/*< private >*/
|
|
GObjectClass parent_class;
|
|
};
|
|
|
|
GType meta_barrier_get_type (void) G_GNUC_CONST;
|
|
|
|
gboolean meta_barrier_is_active (MetaBarrier *barrier);
|
|
void meta_barrier_destroy (MetaBarrier *barrier);
|
|
void meta_barrier_release (MetaBarrier *barrier,
|
|
MetaBarrierEvent *event);
|
|
|
|
/**
|
|
* MetaBarrierDirection:
|
|
* @META_BARRIER_DIRECTION_POSITIVE_X: Positive direction in the X axis
|
|
* @META_BARRIER_DIRECTION_POSITIVE_Y: Positive direction in the Y axis
|
|
* @META_BARRIER_DIRECTION_NEGATIVE_X: Negative direction in the X axis
|
|
* @META_BARRIER_DIRECTION_NEGATIVE_Y: Negative direction in the Y axis
|
|
*/
|
|
|
|
/* Keep in sync with XFixes */
|
|
typedef enum {
|
|
META_BARRIER_DIRECTION_POSITIVE_X = 1 << 0,
|
|
META_BARRIER_DIRECTION_POSITIVE_Y = 1 << 1,
|
|
META_BARRIER_DIRECTION_NEGATIVE_X = 1 << 2,
|
|
META_BARRIER_DIRECTION_NEGATIVE_Y = 1 << 3,
|
|
} MetaBarrierDirection;
|
|
|
|
/**
|
|
* MetaBarrierEvent:
|
|
* @event_id: A unique integer ID identifying a
|
|
* consecutive series of motions at or along the barrier
|
|
* @time: Server time, in milliseconds
|
|
* @dt: Server time, in milliseconds, since the last event
|
|
* sent for this barrier
|
|
* @x: The cursor X position in screen coordinates
|
|
* @y: The cursor Y position in screen coordinates.
|
|
* @dx: If the cursor hadn't been constrained, the delta
|
|
* of X movement past the barrier, in screen coordinates
|
|
* @dy: If the cursor hadn't been constrained, the delta
|
|
* of X movement past the barrier, in screen coordinates
|
|
* @released: A boolean flag, %TRUE if this event generated
|
|
* by the pointer leaving the barrier as a result of a client
|
|
* calling meta_barrier_release() (will be set only for
|
|
* MetaBarrier::leave signals)
|
|
* @grabbed: A boolean flag, %TRUE if the pointer was grabbed
|
|
* at the time this event was sent
|
|
*/
|
|
struct _MetaBarrierEvent {
|
|
/* < private > */
|
|
volatile guint ref_count;
|
|
|
|
/* < public > */
|
|
int event_id;
|
|
int dt;
|
|
guint32 time;
|
|
double x;
|
|
double y;
|
|
double dx;
|
|
double dy;
|
|
gboolean released;
|
|
gboolean grabbed;
|
|
};
|
|
|
|
#define META_TYPE_BARRIER_EVENT (meta_barrier_event_get_type ())
|
|
GType meta_barrier_event_get_type (void) G_GNUC_CONST;
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __META_BARRIER_H__ */
|