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