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+/*
+ * $XFree86: xc/lib/Xrandr/Xrandr.h,v 1.9 2002/09/29 23:39:44 keithp Exp $
+ *
+ * Copyright © 2000 Compaq Computer Corporation, Inc.
+ * Copyright © 2002 Hewlett-Packard Company, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Compaq not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. HP makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * HP DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL COMPAQ
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Jim Gettys, HP Labs, HP.
+ */
+
+#ifndef _XRANDR_H_
+#define _XRANDR_H_
+
+#include <X11/extensions/randr.h>
+
+#include <X11/Xfuncproto.h>
+
+_XFUNCPROTOBEGIN
+
+
+typedef struct {
+ int width, height;
+ int mwidth, mheight;
+} XRRScreenSize;
+
+/*
+ * Events.
+ */
+
+typedef struct {
+ int type; /* event base */
+ unsigned long serial; /* # of last request processed by server */
+ Bool send_event; /* true if this came from a SendEvent request */
+ Display *display; /* Display the event was read from */
+ Window window; /* window which selected for this event */
+ Window root; /* Root window for changed screen */
+ Time timestamp; /* when the screen change occurred */
+ Time config_timestamp; /* when the last configuration change */
+ SizeID size_index;
+ SubpixelOrder subpixel_order;
+ Rotation rotation;
+ int width;
+ int height;
+ int mwidth;
+ int mheight;
+} XRRScreenChangeNotifyEvent;
+
+
+/* internal representation is private to the library */
+typedef struct _XRRScreenConfiguration XRRScreenConfiguration;
+
+Bool XRRQueryExtension (Display *dpy, int *event_basep, int *error_basep);
+Status XRRQueryVersion (Display *dpy,
+ int *major_versionp,
+ int *minor_versionp);
+
+XRRScreenConfiguration *XRRGetScreenInfo (Display *dpy,
+ Drawable draw);
+
+void XRRFreeScreenConfigInfo (XRRScreenConfiguration *config);
+
+/*
+ * Note that screen configuration changes are only permitted if the client can
+ * prove it has up to date configuration information. We are trying to
+ * insist that it become possible for screens to change dynamically, so
+ * we want to ensure the client knows what it is talking about when requesting
+ * changes.
+ */
+Status XRRSetScreenConfig (Display *dpy,
+ XRRScreenConfiguration *config,
+ Drawable draw,
+ int size_index,
+ Rotation rotation,
+ Time timestamp);
+
+/* added in v1.1, sorry for the lame name */
+Status XRRSetScreenConfigAndRate (Display *dpy,
+ XRRScreenConfiguration *config,
+ Drawable draw,
+ int size_index,
+ Rotation rotation,
+ short rate,
+ Time timestamp);
+
+
+Rotation XRRConfigRotations(XRRScreenConfiguration *config, Rotation *current_rotation);
+
+Time XRRConfigTimes (XRRScreenConfiguration *config, Time *config_timestamp);
+
+XRRScreenSize *XRRConfigSizes(XRRScreenConfiguration *config, int *nsizes);
+
+short *XRRConfigRates (XRRScreenConfiguration *config, int sizeID, int *nrates);
+
+SizeID XRRConfigCurrentConfiguration (XRRScreenConfiguration *config,
+ Rotation *rotation);
+
+short XRRConfigCurrentRate (XRRScreenConfiguration *config);
+
+int XRRRootToScreen(Display *dpy, Window root);
+
+/*
+ * returns the screen configuration for the specified screen; does a lazy
+ * evalution to delay getting the information, and caches the result.
+ * These routines should be used in preference to XRRGetScreenInfo
+ * to avoid unneeded round trips to the X server. These are new
+ * in protocol version 0.1.
+ */
+
+
+XRRScreenConfiguration *XRRScreenConfig(Display *dpy, int screen);
+XRRScreenConfiguration *XRRConfig(Screen *screen);
+void XRRSelectInput(Display *dpy, Window window, int mask);
+
+/*
+ * the following are always safe to call, even if RandR is not implemented
+ * on a screen
+ */
+
+
+Rotation XRRRotations(Display *dpy, int screen, Rotation *current_rotation);
+XRRScreenSize *XRRSizes(Display *dpy, int screen, int *nsizes);
+short *XRRRates (Display *dpy, int screen, int sizeID, int *nrates);
+Time XRRTimes (Display *dpy, int screen, Time *config_timestamp);
+
+
+/*
+ * intended to take RRScreenChangeNotify, or
+ * ConfigureNotify (on the root window)
+ * returns 1 if it is an event type it understands, 0 if not
+ */
+int XRRUpdateConfiguration(XEvent *event);
+
+_XFUNCPROTOEND
+
+#endif /* _XRANDR_H_ */