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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, 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"
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 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 */
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];
} 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;
GdkDevice *core_pointer; /* Core pointer device */
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;
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 */
};
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);
GList * (*list_devices) (GdkDisplay *display);
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);
/* 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_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);
G_END_DECLS
#endif /* __GDK_DISPLAY_PRIVATE_H__ */
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