gtk/gdk/gdkdisplayprivate.h

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/* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GDK_DISPLAY_PRIVATE_H__
#define __GDK_DISPLAY_PRIVATE_H__
#include "gdkdisplay.h"
#include "gdkcursor.h"
G_BEGIN_DECLS
typedef struct _GdkDisplayClass 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 the pointer 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 */
gboolean owner_events;
guint event_mask;
gboolean implicit;
guint32 time;
GdkGrabOwnership ownership;
guint activated : 1;
guint implicit_ungrab : 1;
} GdkDeviceGrabInfo;
/* 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;
} 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];
} 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 double_click_time; /* Maximum time between clicks in msecs */
GdkDevice *core_pointer; /* Core pointer device */
const GdkDisplayDeviceHooks *device_hooks; /* Hooks for querying pointer */
guint closed : 1; /* Whether this display has been closed */
guint ignore_core_events : 1; /* Don't send core motion and button event */
guint double_click_distance; /* Maximum distance between clicks in pixels */
GHashTable *device_grabs;
GHashTable *motion_hint_info;
GHashTable *pointers_info; /* GdkPointerWindowInfo for each device */
guint32 last_event_time; /* Last reported event time from server */
GdkDeviceManager *device_manager;
};
struct _GdkDisplayClass
{
GObjectClass parent_class;
G_CONST_RETURN gchar * (*get_name) (GdkDisplay *display);
gint (*get_n_screens) (GdkDisplay *display);
GdkScreen * (*get_screen) (GdkDisplay *display,
gint screen_num);
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);
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_pixbuf) (GdkDisplay *display,
GdkPixbuf *pixbuf,
gint x,
gint y);
GList * (*list_devices) (GdkDisplay *display);
gboolean (*send_client_message) (GdkDisplay *display,
GdkEvent *event,
GdkNativeWindow winid);
void (*add_client_message_filter) (GdkDisplay *display,
GdkAtom message_type,
GdkFilterFunc func,
gpointer data);
GdkAppLaunchContext * (*get_app_launch_context) (GdkDisplay *display);
GdkNativeWindow (*get_drag_protocol) (GdkDisplay *display,
GdkNativeWindow winid,
GdkDragProtocol *protocol,
guint *version);
void (*before_process_all_updates) (GdkDisplay *display);
void (*after_process_all_updates) (GdkDisplay *display);
/* Signals */
void (*closed) (GdkDisplay *display,
gboolean is_error);
};
typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
GdkDevice *device,
GdkPointerWindowInfo *device_info,
gpointer user_data);
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_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);
G_END_DECLS
#endif /* __GDK_DISPLAY_PRIVATE_H__ */