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319 lines
17 KiB
C
319 lines
17 KiB
C
/* GDK - The GIMP Drawing Kit
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* Copyright (C) 2010 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __GDK_DISPLAY_PRIVATE_H__
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#define __GDK_DISPLAY_PRIVATE_H__
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#include "gdkdisplay.h"
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#include "gdkwindow.h"
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#include "gdkcursor.h"
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G_BEGIN_DECLS
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#define GDK_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_DISPLAY, GdkDisplayClass))
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#define GDK_IS_DISPLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_DISPLAY))
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#define GDK_DISPLAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_DISPLAY, GdkDisplayClass))
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typedef struct _GdkDisplayClass GdkDisplayClass;
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/* Tracks information about the keyboard grab on this display */
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typedef struct
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{
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GdkWindow *window;
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GdkWindow *native_window;
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gulong serial;
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gboolean owner_events;
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guint32 time;
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} GdkKeyboardGrabInfo;
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/* Tracks information about the pointer grab on this display */
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typedef struct
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{
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GdkWindow *window;
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GdkWindow *native_window;
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gulong serial_start;
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gulong serial_end; /* exclusive, i.e. not active on serial_end */
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guint event_mask;
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guint32 time;
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GdkGrabOwnership ownership;
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guint activated : 1;
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guint implicit_ungrab : 1;
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guint owner_events : 1;
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guint implicit : 1;
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} GdkDeviceGrabInfo;
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/* Tracks information about a touch implicit grab on this display */
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typedef struct
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{
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GdkDevice *device;
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GdkEventSequence *sequence;
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GdkWindow *window;
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GdkWindow *native_window;
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gulong serial;
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guint event_mask;
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guint32 time;
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} GdkTouchGrabInfo;
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/* Tracks information about which window and position the pointer last was in.
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* This is useful when we need to synthesize events later.
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* Note that we track toplevel_under_pointer using enter/leave events,
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* so in the case of a grab, either with owner_events==FALSE or with the
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* pointer in no clients window the x/y coordinates may actually be outside
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* the window.
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*/
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typedef struct
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{
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GdkWindow *toplevel_under_pointer; /* toplevel window containing the pointer, */
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/* tracked via native events */
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GdkWindow *window_under_pointer; /* window that last got a normal enter event */
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gdouble toplevel_x, toplevel_y;
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guint32 state;
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guint32 button;
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GdkDevice *last_slave;
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guint need_touch_press_enter : 1;
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} GdkPointerWindowInfo;
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typedef struct
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{
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guint32 button_click_time[2]; /* last 2 button click times */
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GdkWindow *button_window[2]; /* last 2 windows to receive button presses */
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gint button_number[2]; /* last 2 buttons to be pressed */
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gint button_x[2]; /* last 2 button click positions */
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gint button_y[2];
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} GdkMultipleClickInfo;
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struct _GdkDisplay
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{
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GObject parent_instance;
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GList *queued_events;
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GList *queued_tail;
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/* Information for determining if the latest button click
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* is part of a double-click or triple-click
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*/
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GHashTable *multiple_click_info;
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guint double_click_time; /* Maximum time between clicks in msecs */
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GdkDevice *core_pointer; /* Core pointer device */
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guint event_pause_count; /* How many times events are blocked */
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guint closed : 1; /* Whether this display has been closed */
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guint flushing_events : 1; /* Inside gdk_display_flush_events */
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GArray *touch_implicit_grabs;
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GHashTable *device_grabs;
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GHashTable *motion_hint_info;
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GdkDeviceManager *device_manager;
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GHashTable *pointers_info; /* GdkPointerWindowInfo for each device */
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guint32 last_event_time; /* Last reported event time from server */
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guint double_click_distance; /* Maximum distance between clicks in pixels */
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};
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struct _GdkDisplayClass
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{
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GObjectClass parent_class;
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GType window_type; /* type for native windows for this display, set in class_init */
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const gchar * (*get_name) (GdkDisplay *display);
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GdkScreen * (*get_default_screen) (GdkDisplay *display);
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void (*beep) (GdkDisplay *display);
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void (*sync) (GdkDisplay *display);
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void (*flush) (GdkDisplay *display);
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gboolean (*has_pending) (GdkDisplay *display);
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void (*queue_events) (GdkDisplay *display);
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GdkWindow * (*get_default_group) (GdkDisplay *display);
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gboolean (*supports_selection_notification) (GdkDisplay *display);
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gboolean (*request_selection_notification) (GdkDisplay *display,
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GdkAtom selection);
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gboolean (*supports_shapes) (GdkDisplay *display);
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gboolean (*supports_input_shapes) (GdkDisplay *display);
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gboolean (*supports_composite) (GdkDisplay *display);
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gboolean (*supports_cursor_alpha) (GdkDisplay *display);
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gboolean (*supports_cursor_color) (GdkDisplay *display);
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gboolean (*supports_clipboard_persistence) (GdkDisplay *display);
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void (*store_clipboard) (GdkDisplay *display,
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GdkWindow *clipboard_window,
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guint32 time_,
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const GdkAtom *targets,
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gint n_targets);
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void (*get_default_cursor_size) (GdkDisplay *display,
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guint *width,
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guint *height);
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void (*get_maximal_cursor_size) (GdkDisplay *display,
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guint *width,
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guint *height);
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GdkCursor * (*get_cursor_for_type) (GdkDisplay *display,
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GdkCursorType type);
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GdkCursor * (*get_cursor_for_name) (GdkDisplay *display,
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const gchar *name);
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GdkCursor * (*get_cursor_for_pixbuf) (GdkDisplay *display,
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GdkPixbuf *pixbuf,
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gint x,
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gint y);
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GList * (*list_devices) (GdkDisplay *display);
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GdkAppLaunchContext * (*get_app_launch_context) (GdkDisplay *display);
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void (*before_process_all_updates) (GdkDisplay *display);
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void (*after_process_all_updates) (GdkDisplay *display);
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gulong (*get_next_serial) (GdkDisplay *display);
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void (*notify_startup_complete) (GdkDisplay *display,
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const gchar *startup_id);
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void (*event_data_copy) (GdkDisplay *display,
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const GdkEvent *event,
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GdkEvent *new_event);
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void (*event_data_free) (GdkDisplay *display,
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GdkEvent *event);
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void (*create_window_impl) (GdkDisplay *display,
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GdkWindow *window,
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GdkWindow *real_parent,
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GdkScreen *screen,
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GdkEventMask event_mask,
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GdkWindowAttr *attributes,
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gint attributes_mask);
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GdkKeymap * (*get_keymap) (GdkDisplay *display);
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void (*push_error_trap) (GdkDisplay *display);
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gint (*pop_error_trap) (GdkDisplay *display,
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gboolean ignore);
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GdkWindow * (*get_selection_owner) (GdkDisplay *display,
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GdkAtom selection);
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gboolean (*set_selection_owner) (GdkDisplay *display,
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GdkWindow *owner,
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GdkAtom selection,
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guint32 time,
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gboolean send_event);
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void (*send_selection_notify) (GdkDisplay *dispay,
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GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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GdkAtom property,
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guint32 time);
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gint (*get_selection_property) (GdkDisplay *display,
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GdkWindow *requestor,
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guchar **data,
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GdkAtom *type,
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gint *format);
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void (*convert_selection) (GdkDisplay *display,
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GdkWindow *requestor,
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GdkAtom selection,
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GdkAtom target,
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guint32 time);
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gint (*text_property_to_utf8_list) (GdkDisplay *display,
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GdkAtom encoding,
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gint format,
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const guchar *text,
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gint length,
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gchar ***list);
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gchar * (*utf8_to_string_target) (GdkDisplay *display,
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const gchar *text);
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/* Signals */
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void (*closed) (GdkDisplay *display,
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gboolean is_error);
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};
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typedef void (* GdkDisplayPointerInfoForeach) (GdkDisplay *display,
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GdkDevice *device,
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GdkPointerWindowInfo *device_info,
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gpointer user_data);
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void _gdk_display_device_grab_update (GdkDisplay *display,
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GdkDevice *device,
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GdkDevice *source_device,
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gulong current_serial);
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GdkDeviceGrabInfo * _gdk_display_get_last_device_grab (GdkDisplay *display,
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GdkDevice *device);
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GdkDeviceGrabInfo * _gdk_display_add_device_grab (GdkDisplay *display,
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GdkDevice *device,
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GdkWindow *window,
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GdkWindow *native_window,
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GdkGrabOwnership grab_ownership,
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gboolean owner_events,
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GdkEventMask event_mask,
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gulong serial_start,
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guint32 time,
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gboolean implicit);
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GdkDeviceGrabInfo * _gdk_display_has_device_grab (GdkDisplay *display,
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GdkDevice *device,
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gulong serial);
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gboolean _gdk_display_end_device_grab (GdkDisplay *display,
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GdkDevice *device,
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gulong serial,
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GdkWindow *if_child,
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gboolean implicit);
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gboolean _gdk_display_check_grab_ownership (GdkDisplay *display,
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GdkDevice *device,
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gulong serial);
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void _gdk_display_add_touch_grab (GdkDisplay *display,
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GdkDevice *device,
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GdkEventSequence *sequence,
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GdkWindow *window,
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GdkWindow *native_window,
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GdkEventMask event_mask,
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unsigned long serial_start,
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guint32 time);
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GdkTouchGrabInfo * _gdk_display_has_touch_grab (GdkDisplay *display,
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GdkDevice *device,
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GdkEventSequence *sequence,
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gulong serial);
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gboolean _gdk_display_end_touch_grab (GdkDisplay *display,
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GdkDevice *device,
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GdkEventSequence *sequence);
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void _gdk_display_enable_motion_hints (GdkDisplay *display,
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GdkDevice *device);
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GdkPointerWindowInfo * _gdk_display_get_pointer_info (GdkDisplay *display,
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GdkDevice *device);
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void _gdk_display_pointer_info_foreach (GdkDisplay *display,
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GdkDisplayPointerInfoForeach func,
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gpointer user_data);
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gulong _gdk_display_get_next_serial (GdkDisplay *display);
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void _gdk_display_pause_events (GdkDisplay *display);
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void _gdk_display_unpause_events (GdkDisplay *display);
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void _gdk_display_flush_events (GdkDisplay *display);
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void _gdk_display_event_data_copy (GdkDisplay *display,
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const GdkEvent *event,
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GdkEvent *new_event);
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void _gdk_display_event_data_free (GdkDisplay *display,
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GdkEvent *event);
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void _gdk_display_create_window_impl (GdkDisplay *display,
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GdkWindow *window,
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GdkWindow *real_parent,
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GdkScreen *screen,
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GdkEventMask event_mask,
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GdkWindowAttr *attributes,
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gint attributes_mask);
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GdkWindow * _gdk_display_create_window (GdkDisplay *display);
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G_END_DECLS
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#endif /* __GDK_DISPLAY_PRIVATE_H__ */
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