/* GDK - The GIMP Drawing Kit

 * Copyright (C) 2010 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef __GDK_DISPLAY_PRIVATE_H__

#define __GDK_DISPLAY_PRIVATE_H__

#include "gdkdisplay.h"

#include "gdkwindow.h"

#include "gdkcursor.h"

#include "gdkmonitor.h"

#include "gdkinternals.h"

G_BEGIN_DECLS

#define GDK_DISPLAY_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))

#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))

typedef struct _GdkDisplayClass GdkDisplayClass;

/* Tracks information about the device grab on this display */

typedef struct

{

  GdkWindow *window;

  GdkWindow *native_window;

  gulong serial_start;

  gulong serial_end; /* exclusive, i.e. not active on serial_end */

  guint event_mask;

  guint32 time;

  GdkGrabOwnership ownership;

  guint activated : 1;

  guint implicit_ungrab : 1;

  guint owner_events : 1;

  guint implicit : 1;

} GdkDeviceGrabInfo;

/* Tracks information about a touch implicit grab on this display */

typedef struct

{

  GdkDevice *device;

  GdkEventSequence *sequence;

  GdkWindow *window;

  GdkWindow *native_window;

  gulong serial;

  guint event_mask;

  guint32 time;

} GdkTouchGrabInfo;

/* 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; /* toplevel window containing the pointer, */

                                     /* tracked via native events */

  GdkWindow *window_under_pointer;   /* window that last got a normal enter event */

  gdouble toplevel_x, toplevel_y;

  guint32 state;

  guint32 button;

  GdkDevice *last_slave;

  guint need_touch_press_enter : 1;

} GdkPointerWindowInfo;

typedef struct

{

  guint32 button_click_time[2]; /* last 2 button click times */

  GdkWindow *button_window[2];  /* last 2 windows to receive button presses */

  gint button_number[2];        /* last 2 buttons to be pressed */

  gint button_x[2];             /* last 2 button click positions */

  gint button_y[2];

  GdkDevice *last_slave;

} GdkMultipleClickInfo;

struct _GdkDisplay

{

  GObject parent_instance;

  GList *queued_events;

  GList *queued_tail;

  /* Information for determining if the latest button click

   * is part of a double-click or triple-click

   */

  GHashTable *multiple_click_info;

  guint event_pause_count;       /* How many times events are blocked */

  guint closed             : 1;  /* Whether this display has been closed */

  GArray *touch_implicit_grabs;

  GHashTable *device_grabs;

  GHashTable *motion_hint_info;

  GdkDeviceManager *device_manager;

  GList *input_devices; /* Deprecated, only used to keep gdk_display_list_devices working */

  GHashTable *pointers_info;  /* GdkPointerWindowInfo for each device */

  guint32 last_event_time;    /* Last reported event time from server */

  guint double_click_time;  /* Maximum time between clicks in msecs */

  guint double_click_distance;   /* Maximum distance between clicks in pixels */

  guint has_gl_extension_texture_non_power_of_two : 1;

  guint has_gl_extension_texture_rectangle : 1;

  guint debug_updates     : 1;

  guint debug_updates_set : 1;

  GdkRenderingMode rendering_mode;

  GList *seats;

};

struct _GdkDisplayClass

{

  GObjectClass parent_class;

  GType window_type;          /* type for native windows for this display, set in class_init */

  const gchar *              (*get_name)           (GdkDisplay *display);

  GdkScreen *                (*get_default_screen) (GdkDisplay *display);

  void                       (*beep)               (GdkDisplay *display);

  void                       (*sync)               (GdkDisplay *display);

  void                       (*flush)              (GdkDisplay *display);

  gboolean                   (*has_pending)        (GdkDisplay *display);

  void                       (*queue_events)       (GdkDisplay *display);

  void                       (*make_default)       (GdkDisplay *display);

  GdkWindow *                (*get_default_group)  (GdkDisplay *display);

  gboolean                   (*supports_selection_notification) (GdkDisplay *display);

  gboolean                   (*request_selection_notification)  (GdkDisplay *display,

                                                                 GdkAtom     selection);

  gboolean                   (*supports_shapes)       (GdkDisplay *display);

  gboolean                   (*supports_input_shapes) (GdkDisplay *display);

  gboolean                   (*supports_composite)    (GdkDisplay *display);

  gboolean                   (*supports_cursor_alpha) (GdkDisplay *display);

  gboolean                   (*supports_cursor_color) (GdkDisplay *display);

  gboolean                   (*supports_clipboard_persistence)  (GdkDisplay *display);

  void                       (*store_clipboard)    (GdkDisplay    *display,

                                                    GdkWindow     *clipboard_window,

                                                    guint32        time_,

                                                    const GdkAtom *targets,

                                                    gint           n_targets);

  void                       (*get_default_cursor_size) (GdkDisplay *display,

                                                         guint      *width,

                                                         guint      *height);

  void                       (*get_maximal_cursor_size) (GdkDisplay *display,

                                                         guint      *width,

                                                         guint      *height);

  GdkCursor *                (*get_cursor_for_type)     (GdkDisplay    *display,

                                                         GdkCursorType  type);

  GdkCursor *                (*get_cursor_for_name)     (GdkDisplay    *display,

                                                         const gchar   *name);

  GdkCursor *                (*get_cursor_for_surface)  (GdkDisplay    *display,

                                                         cairo_surface_t *surface,

                                                         gdouble          x,

                                                         gdouble          y);

  GdkAppLaunchContext *      (*get_app_launch_context) (GdkDisplay *display);

  void                       (*before_process_all_updates) (GdkDisplay *display);

  void                       (*after_process_all_updates)  (GdkDisplay *display);

  gulong                     (*get_next_serial) (GdkDisplay *display);

  void                       (*notify_startup_complete) (GdkDisplay  *display,

                                                         const gchar *startup_id);

  void                       (*event_data_copy) (GdkDisplay     *display,

                                                 const GdkEvent *event,

                                                 GdkEvent       *new_event);

  void                       (*event_data_free) (GdkDisplay     *display,

                                                 GdkEvent       *event);

  void                       (*create_window_impl) (GdkDisplay    *display,

                                                    GdkWindow     *window,

                                                    GdkWindow     *real_parent,

                                                    GdkScreen     *screen,

                                                    GdkEventMask   event_mask,

                                                    GdkWindowAttr *attributes,

                                                    gint           attributes_mask);

  GdkKeymap *                (*get_keymap)         (GdkDisplay    *display);

  void                       (*push_error_trap)    (GdkDisplay    *display);

  gint                       (*pop_error_trap)     (GdkDisplay    *display,

                                                    gboolean       ignore);

  GdkWindow *                (*get_selection_owner) (GdkDisplay   *display,

                                                     GdkAtom       selection);

  gboolean                   (*set_selection_owner) (GdkDisplay   *display,

                                                     GdkWindow    *owner,

                                                     GdkAtom       selection,

                                                     guint32       time,

                                                     gboolean      send_event);

  void                       (*send_selection_notify) (GdkDisplay *dispay,

                                                       GdkWindow        *requestor,

                                                       GdkAtom          selection,

                                                       GdkAtom          target,

                                                       GdkAtom          property,

                                                       guint32          time);

  gint                       (*get_selection_property) (GdkDisplay  *display,

                                                        GdkWindow   *requestor,

                                                        guchar     **data,

                                                        GdkAtom     *type,

                                                        gint        *format);

  void                       (*convert_selection)      (GdkDisplay  *display,

                                                        GdkWindow   *requestor,

                                                        GdkAtom      selection,

                                                        GdkAtom      target,

                                                        guint32      time);

  gint                   (*text_property_to_utf8_list) (GdkDisplay     *display,

                                                        GdkAtom         encoding,

                                                        gint            format,

                                                        const guchar   *text,

                                                        gint            length,

                                                        gchar        ***list);

  gchar *                (*utf8_to_string_target)      (GdkDisplay     *display,

                                                        const gchar    *text);

  gboolean               (*make_gl_context_current)    (GdkDisplay        *display,

                                                        GdkGLContext      *context);

  GdkSeat *              (*get_default_seat)           (GdkDisplay     *display);

  int                    (*get_n_monitors)             (GdkDisplay     *display);

  GdkMonitor *           (*get_monitor)                (GdkDisplay     *display,

                                                        int             index);

  GdkMonitor *           (*get_primary_monitor)        (GdkDisplay     *display);

  GdkMonitor *           (*get_monitor_at_window)      (GdkDisplay     *display,

                                                        GdkWindow      *window);

  /* Signals */

  void                   (*opened)                     (GdkDisplay     *display);

  void (*closed) (GdkDisplay *display,

                  gboolean    is_error);

};

typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay           *display,

                                               GdkDevice            *device,

                                               GdkPointerWindowInfo *device_info,

                                               gpointer              user_data);

void                _gdk_display_update_last_event    (GdkDisplay     *display,

                                                       const GdkEvent *event);

void                _gdk_display_device_grab_update   (GdkDisplay *display,

                                                       GdkDevice  *device,

                                                       GdkDevice  *source_device,

                                                       gulong      current_serial);

GdkDeviceGrabInfo * _gdk_display_get_last_device_grab (GdkDisplay *display,

                                                       GdkDevice  *device);

GdkDeviceGrabInfo * _gdk_display_add_device_grab      (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       GdkWindow        *window,

                                                       GdkWindow        *native_window,

                                                       GdkGrabOwnership  grab_ownership,

                                                       gboolean          owner_events,

                                                       GdkEventMask      event_mask,

                                                       gulong            serial_start,

                                                       guint32           time,

                                                       gboolean          implicit);

GdkDeviceGrabInfo * _gdk_display_has_device_grab      (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       gulong            serial);

gboolean            _gdk_display_end_device_grab      (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       gulong            serial,

                                                       GdkWindow        *if_child,

                                                       gboolean          implicit);

gboolean            _gdk_display_check_grab_ownership (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       gulong            serial);

void                _gdk_display_add_touch_grab       (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       GdkEventSequence *sequence,

                                                       GdkWindow        *window,

                                                       GdkWindow        *native_window,

                                                       GdkEventMask      event_mask,

                                                       unsigned long     serial_start,

                                                       guint32           time);

GdkTouchGrabInfo *  _gdk_display_has_touch_grab       (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       GdkEventSequence *sequence,

                                                       gulong            serial);

gboolean            _gdk_display_end_touch_grab       (GdkDisplay       *display,

                                                       GdkDevice        *device,

                                                       GdkEventSequence *sequence);

void                _gdk_display_enable_motion_hints  (GdkDisplay       *display,

                                                       GdkDevice        *device);

GdkPointerWindowInfo * _gdk_display_get_pointer_info  (GdkDisplay       *display,

                                                       GdkDevice        *device);

void                _gdk_display_pointer_info_foreach (GdkDisplay       *display,

                                                       GdkDisplayPointerInfoForeach func,

                                                       gpointer          user_data);

gulong              _gdk_display_get_next_serial      (GdkDisplay       *display);

void                _gdk_display_pause_events         (GdkDisplay       *display);

void                _gdk_display_unpause_events       (GdkDisplay       *display);

void                _gdk_display_event_data_copy      (GdkDisplay       *display,

                                                       const GdkEvent   *event,

                                                       GdkEvent         *new_event);

void                _gdk_display_event_data_free      (GdkDisplay       *display,

                                                       GdkEvent         *event);

void                _gdk_display_create_window_impl   (GdkDisplay       *display,

                                                       GdkWindow        *window,

                                                       GdkWindow        *real_parent,

                                                       GdkScreen        *screen,

                                                       GdkEventMask      event_mask,

                                                       GdkWindowAttr    *attributes,

                                                       gint              attributes_mask);

GdkWindow *         _gdk_display_create_window        (GdkDisplay       *display);

gboolean            gdk_display_make_gl_context_current  (GdkDisplay        *display,

                                                          GdkGLContext      *context);

void                gdk_display_add_seat              (GdkDisplay       *display,

                                                       GdkSeat          *seat);

void                gdk_display_remove_seat           (GdkDisplay       *display,

                                                       GdkSeat          *seat);

void                gdk_display_monitor_added         (GdkDisplay       *display,

                                                       GdkMonitor       *monitor);

void                gdk_display_monitor_removed       (GdkDisplay       *display,

                                                       GdkMonitor       *monitor);

G_END_DECLS

#endif  /* __GDK_DISPLAY_PRIVATE_H__ */