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gtk2/gdk/gdkdisplay.h
Alexander Larsson 26cbf87d7d New approach for grab tracking code 
We try to track the exact grab state, i.e. whats valid on the client
now and whats comming soon via the xserver roundtrip (and when).
2009-04-02 10:15:30 +02:00

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/*
* gdkdisplay.h
*
* Copyright 2001 Sun Microsystems Inc.
*
* Erwann Chenede <erwann.chenede@sun.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(GTK_DISABLE_SINGLE_INCLUDES) && !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#ifndef __GDK_DISPLAY_H__
#define __GDK_DISPLAY_H__
#include <gdk/gdktypes.h>
#include <gdk/gdkevents.h>
G_BEGIN_DECLS
typedef struct _GdkDisplayClass GdkDisplayClass;
typedef struct _GdkDisplayPointerHooks GdkDisplayPointerHooks;
#define GDK_TYPE_DISPLAY (gdk_display_get_type ())
#define GDK_DISPLAY_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_DISPLAY, GdkDisplay))
#define GDK_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))
#define GDK_IS_DISPLAY(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_DISPLAY))
#define GDK_IS_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DISPLAY))
#define GDK_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DISPLAY, GdkDisplayClass))
/* Tracks information about the keyboard grab on this display */
typedef struct
{
GdkWindow *window;
GdkWindow *native_window;
gulong serial;
gboolean owner_events;
guint32 time;
} GdkKeyboardGrabInfo;
/* Tracks information about which window and position the pointer last was in.
* This is useful when we need to synthesize events later.
* Note that we track toplevel_under_pointer using enter/leave events,
* so in the case of a grab, either with owner_events==FALSE or with the
* pointer in no clients window the x/y coordinates may actually be outside
* the window.
*/
typedef struct
{
GdkWindow *toplevel_under_pointer; /* The toplevel window with mouse inside, tracked via native events */
GdkWindow *window_under_pointer; /* The window that last got sent a normal enter event */
gdouble toplevel_x, toplevel_y;
guint32 state;
guint32 button;
gulong motion_hint_serial; /* 0 == didn't deliver hinted motion event */
} GdkPointerWindowInfo;
struct _GdkDisplay
{
GObject parent_instance;
/*< private >*/
GList *queued_events;
GList *queued_tail;
/* Information for determining if the latest button click
* is part of a double-click or triple-click
*/
guint32 button_click_time[2]; /* The last 2 button click times. */
GdkWindow *button_window[2]; /* The last 2 windows to receive button presses. */
gint button_number[2]; /* The last 2 buttons to be pressed. */
guint double_click_time; /* Maximum time between clicks in msecs */
GdkDevice *core_pointer; /* Core pointer device */
const GdkDisplayPointerHooks *pointer_hooks; /* Current hooks for querying pointer */
guint closed : 1; /* Whether this display has been closed */
guint double_click_distance; /* Maximum distance between clicks in pixels */
gint button_x[2]; /* The last 2 button click positions. */
gint button_y[2];
GList *pointer_grabs;
GdkKeyboardGrabInfo keyboard_grab;
GdkPointerWindowInfo pointer_info;
/* Last reported event time from server */
guint32 last_event_time;
};
struct _GdkDisplayClass
{
GObjectClass parent_class;
G_CONST_RETURN gchar * (*get_display_name) (GdkDisplay *display);
gint (*get_n_screens) (GdkDisplay *display);
GdkScreen * (*get_screen) (GdkDisplay *display,
gint screen_num);
GdkScreen * (*get_default_screen) (GdkDisplay *display);
/* Signals */
void (*closed) (GdkDisplay *display,
gboolean is_error);
};
struct _GdkDisplayPointerHooks
{
void (*get_pointer) (GdkDisplay *display,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow* (*window_get_pointer) (GdkDisplay *display,
GdkWindow *window,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow* (*window_at_pointer) (GdkDisplay *display,
gint *win_x,
gint *win_y);
};
GType gdk_display_get_type (void) G_GNUC_CONST;
GdkDisplay *gdk_display_open (const gchar *display_name);
G_CONST_RETURN gchar * gdk_display_get_name (GdkDisplay *display);
gint gdk_display_get_n_screens (GdkDisplay *display);
GdkScreen * gdk_display_get_screen (GdkDisplay *display,
gint screen_num);
GdkScreen * gdk_display_get_default_screen (GdkDisplay *display);
void gdk_display_pointer_ungrab (GdkDisplay *display,
guint32 time_);
void gdk_display_keyboard_ungrab (GdkDisplay *display,
guint32 time_);
gboolean gdk_display_pointer_is_grabbed (GdkDisplay *display);
void gdk_display_beep (GdkDisplay *display);
void gdk_display_sync (GdkDisplay *display);
void gdk_display_flush (GdkDisplay *display);
void gdk_display_close (GdkDisplay *display);
GList * gdk_display_list_devices (GdkDisplay *display);
GdkEvent* gdk_display_get_event (GdkDisplay *display);
GdkEvent* gdk_display_peek_event (GdkDisplay *display);
void gdk_display_put_event (GdkDisplay *display,
const GdkEvent *event);
void gdk_display_add_client_message_filter (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data);
void gdk_display_set_double_click_time (GdkDisplay *display,
guint msec);
void gdk_display_set_double_click_distance (GdkDisplay *display,
guint distance);
GdkDisplay *gdk_display_get_default (void);
GdkDevice *gdk_display_get_core_pointer (GdkDisplay *display);
void gdk_display_get_pointer (GdkDisplay *display,
GdkScreen **screen,
gint *x,
gint *y,
GdkModifierType *mask);
GdkWindow * gdk_display_get_window_at_pointer (GdkDisplay *display,
gint *win_x,
gint *win_y);
void gdk_display_warp_pointer (GdkDisplay *display,
GdkScreen *screen,
gint x,
gint y);
GdkDisplayPointerHooks *gdk_display_set_pointer_hooks (GdkDisplay *display,
const GdkDisplayPointerHooks *new_hooks);
GdkDisplay *gdk_display_open_default_libgtk_only (void);
gboolean gdk_display_supports_cursor_alpha (GdkDisplay *display);
gboolean gdk_display_supports_cursor_color (GdkDisplay *display);
guint gdk_display_get_default_cursor_size (GdkDisplay *display);
void gdk_display_get_maximal_cursor_size (GdkDisplay *display,
guint *width,
guint *height);
GdkWindow *gdk_display_get_default_group (GdkDisplay *display);
gboolean gdk_display_supports_selection_notification (GdkDisplay *display);
gboolean gdk_display_request_selection_notification (GdkDisplay *display,
GdkAtom selection);
gboolean gdk_display_supports_clipboard_persistence (GdkDisplay *display);
void gdk_display_store_clipboard (GdkDisplay *display,
GdkWindow *clipboard_window,
guint32 time_,
const GdkAtom *targets,
gint n_targets);
gboolean gdk_display_supports_shapes (GdkDisplay *display);
gboolean gdk_display_supports_input_shapes (GdkDisplay *display);
gboolean gdk_display_supports_composite (GdkDisplay *display);
G_END_DECLS
#endif /* __GDK_DISPLAY_H__ */
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