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184df2a5fa
The input device API is split halfway thorugh the backends in a very weird way. The data structures are private, as they should, but most of the information should be available in the main API since it's generic enough. The device type enumeration, for instance, should be common across every backend; the accessors for device type and id should live in the core API. The internal API should always use ClutterInputDevice and not the private X11 implementation when dealing with public structures like ClutterEvent. By adding accessors for the device type and id, and by moving the device type enumeration into the core API we can cut down the amount of symbols private and/or visible only to the X11 backends; this way when other backends start implementing multi-pointer support we can share the same API across the code.
139 lines
4.1 KiB
C
139 lines
4.1 KiB
C
/* Clutter.
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* An OpenGL based 'interactive canvas' library.
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* Authored By Matthew Allum <mallum@openedhand.com>
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* Copyright (C) 2006-2007 OpenedHand
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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, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __CLUTTER_BACKEND_X11_H__
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#define __CLUTTER_BACKEND_X11_H__
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#include <glib-object.h>
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#include <clutter/clutter-event.h>
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#include <clutter/clutter-backend.h>
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#include <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include "clutter-x11.h"
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G_BEGIN_DECLS
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#define CLUTTER_TYPE_BACKEND_X11 (clutter_backend_x11_get_type ())
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#define CLUTTER_BACKEND_X11(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_BACKEND_X11, ClutterBackendX11))
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#define CLUTTER_IS_BACKEND_X11(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_BACKEND_X11))
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#define CLUTTER_BACKEND_X11_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_BACKEND_X11, ClutterBackendX11Class))
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#define CLUTTER_IS_BACKEND_X11_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_BACKEND_X11))
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#define CLUTTER_BACKEND_X11_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_BACKEND_X11, ClutterBackendX11Class))
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typedef struct _ClutterBackendX11 ClutterBackendX11;
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typedef struct _ClutterBackendX11Class ClutterBackendX11Class;
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typedef struct _ClutterX11EventFilter
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{
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ClutterX11FilterFunc func;
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gpointer data;
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} ClutterX11EventFilter;
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struct _ClutterBackendX11
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{
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ClutterBackend parent_instance;
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Display *xdpy;
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Window xwin_root;
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Screen *xscreen;
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int xscreen_num;
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gchar *display_name;
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/* event source */
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GSource *event_source;
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GSList *event_filters;
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/* props */
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Atom atom_NET_WM_PING;
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Atom atom_NET_WM_STATE;
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Atom atom_NET_WM_STATE_FULLSCREEN;
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Atom atom_NET_WM_USER_TIME;
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Atom atom_WM_PROTOCOLS;
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Atom atom_WM_DELETE_WINDOW;
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Atom atom_XEMBED;
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Atom atom_XEMBED_INFO;
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Atom atom_NET_WM_NAME;
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Atom atom_UTF8_STRING;
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int event_types[CLUTTER_X11_XINPUT_LAST_EVENT];
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gboolean have_xinput;
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Time last_event_time;
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};
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struct _ClutterBackendX11Class
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{
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ClutterBackendClass parent_class;
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XVisualInfo *(* get_visual_info) (ClutterBackendX11 *backend,
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gboolean for_offscreen);
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};
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void _clutter_backend_x11_events_init (ClutterBackend *backend);
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void _clutter_backend_x11_events_uninit (ClutterBackend *backend);
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GType clutter_backend_x11_get_type (void) G_GNUC_CONST;
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/* Private to glx/eglx backends */
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gboolean
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clutter_backend_x11_pre_parse (ClutterBackend *backend,
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GError **error);
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gboolean
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clutter_backend_x11_post_parse (ClutterBackend *backend,
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GError **error);
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gboolean
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clutter_backend_x11_init_stage (ClutterBackend *backend,
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GError **error);
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ClutterActor *
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clutter_backend_x11_get_stage (ClutterBackend *backend);
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void
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clutter_backend_x11_add_options (ClutterBackend *backend,
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GOptionGroup *group);
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ClutterFeatureFlags
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clutter_backend_x11_get_features (ClutterBackend *backend);
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XVisualInfo *
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clutter_backend_x11_get_visual_info (ClutterBackendX11 *backend_x11,
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gboolean for_offscreen);
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void
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_clutter_x11_register_xinput (void);
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void
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_clutter_x11_unregister_xinput (void);
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ClutterInputDevice *
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_clutter_x11_get_device_for_xid (XID id);
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void
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_clutter_x11_select_events (Window xwin);
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_X11_H__ */
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