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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_ */
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