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Previously, the Cogl backend was at times a subclass of the X11 backend, and at times a standalone one. Now it is the other way round, with GDK and X11 backends providing the concrete classes, layered on top of the generic Cogl backend. A new EglNative backend was introduced for direct to framebuffer rendering. This greatly simplifies the API design (at the expense of some casts needed) and reduces the amount of #ifdefs, without duplicating code. https://bugzilla.gnome.org/show_bug.cgi?id=657434
151 lines
4.3 KiB
C
151 lines
4.3 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, see <http://www.gnu.org/licenses/>.
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*
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*
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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 <X11/Xlib.h>
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#include <X11/Xatom.h>
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#include "clutter-x11.h"
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#include "clutter-backend-private.h"
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#include "clutter-keymap-x11.h"
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#include "cogl/clutter-backend-cogl.h"
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#include "xsettings/xsettings-client.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 _ClutterEventX11 ClutterEventX11;
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typedef struct _ClutterX11EventFilter ClutterX11EventFilter;
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struct _ClutterX11EventFilter
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{
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ClutterX11FilterFunc func;
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gpointer data;
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};
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struct _ClutterEventX11
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{
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/* additional fields for Key events */
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gint key_group;
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guint key_is_modifier : 1;
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guint num_lock_set : 1;
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guint caps_lock_set : 1;
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};
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struct _ClutterBackendX11
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{
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ClutterBackendCogl parent_instance;
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Display *xdpy;
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gchar *display_name;
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Screen *xscreen;
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int xscreen_num;
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int xscreen_width;
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int xscreen_height;
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Window xwin_root;
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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_PID;
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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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Time last_event_time;
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ClutterDeviceManager *device_manager;
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gboolean has_xinput;
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XSettingsClient *xsettings;
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Window xsettings_xwin;
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ClutterKeymapX11 *keymap;
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gboolean use_xkb;
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gboolean have_xkb_autorepeat;
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guint keymap_serial;
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};
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struct _ClutterBackendX11Class
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{
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ClutterBackendCoglClass parent_class;
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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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XVisualInfo *
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_clutter_backend_x11_get_visual_info (ClutterBackendX11 *backend_x11);
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void
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_clutter_x11_select_events (Window xwin);
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ClutterEventX11 *
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_clutter_event_x11_new (void);
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ClutterEventX11 *
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_clutter_event_x11_copy (ClutterEventX11 *event_x11);
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void
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_clutter_event_x11_free (ClutterEventX11 *event_x11);
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gboolean
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_clutter_x11_input_device_translate_screen_coord (ClutterInputDevice *device,
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gint stage_root_x,
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gint stage_root_y,
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guint index_,
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gdouble value,
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gdouble *axis_value);
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G_END_DECLS
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#endif /* __CLUTTER_BACKEND_X11_H__ */
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