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Diffstat (limited to 'include/X11/extensions/Xrandr.h')
-rw-r--r-- | include/X11/extensions/Xrandr.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/include/X11/extensions/Xrandr.h b/include/X11/extensions/Xrandr.h new file mode 100644 index 0000000..7a0d6c5 --- /dev/null +++ b/include/X11/extensions/Xrandr.h @@ -0,0 +1,151 @@ +/* + * $XFree86: xc/lib/Xrandr/Xrandr.h,v 1.11 2002/10/14 18:01:39 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_ */ |