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/*
* Copyright © 2006 Keith Packard
*
* 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 the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS 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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <X11/Xlib.h>
/* we need to be able to manipulate the Display structure on events */
#include <X11/Xlibint.h>
#include <X11/extensions/render.h>
#include <X11/extensions/Xrender.h>
#include "Xrandrint.h"
XRRModeInfo *
XRRAllocModeInfo (char *name, int nameLength)
{
XRRModeInfo *mode_info;
mode_info = Xmalloc (sizeof (XRRModeInfo) + nameLength + 1);
if (!mode_info)
return NULL;
memset (mode_info, '\0', sizeof (XRRModeInfo));
mode_info->nameLength = nameLength;
mode_info->name = (char *) (mode_info + 1);
memcpy (mode_info->name, name, nameLength);
mode_info->name[nameLength] = '\0';
return mode_info;
}
RRMode
XRRCreateMode (Display *dpy, Window window, XRRModeInfo *mode_info)
{
XExtDisplayInfo *info = XRRFindDisplay(dpy);
xRRCreateModeReq *req;
xRRCreateModeReply rep;
long channelSize;
RRSimpleCheckExtension (dpy, info);
LockDisplay(dpy);
GetReq (RRCreateMode, req);
req->reqType = info->codes->major_opcode;
req->randrReqType = X_RRCreateMode;
req->length += (mode_info->nameLength + 3) >> 2;
req->window = window;
req->modeInfo.id = 0;
req->modeInfo.width = mode_info->width;
req->modeInfo.height = mode_info->height;
req->modeInfo.dotClock = mode_info->dotClock;
req->modeInfo.hSyncStart = mode_info->hSyncStart;
req->modeInfo.hSyncEnd = mode_info->hSyncEnd;
req->modeInfo.hTotal = mode_info->hTotal;
req->modeInfo.hSkew = mode_info->hSkew;
req->modeInfo.vSyncStart = mode_info->vSyncStart;
req->modeInfo.vSyncEnd = mode_info->vSyncEnd;
req->modeInfo.vTotal = mode_info->vTotal;
req->modeInfo.nameLength = mode_info->nameLength;
req->modeInfo.modeFlags = mode_info->modeFlags;
Data (dpy, mode_info->name, mode_info->nameLength);
if (!_XReply (dpy, (xReply *) &rep, 0, xFalse))
{
UnlockDisplay (dpy);
SyncHandle ();
return None;
}
UnlockDisplay (dpy);
SyncHandle ();
return rep.mode;
}
void
XRRDestroyMode (Display *dpy, RRMode mode)
{
XExtDisplayInfo *info = XRRFindDisplay(dpy);
xRRDestroyModeReq *req;
RRSimpleCheckExtension (dpy, info);
LockDisplay(dpy);
GetReq (RRDestroyMode, req);
req->reqType = info->codes->major_opcode;
req->randrReqType = X_RRDestroyMode;
req->mode = mode;
UnlockDisplay (dpy);
SyncHandle ();
}
void
XRRAddOutputMode (Display *dpy, RROutput output, RRMode mode)
{
XExtDisplayInfo *info = XRRFindDisplay(dpy);
xRRAddOutputModeReq *req;
RRSimpleCheckExtension (dpy, info);
LockDisplay(dpy);
GetReq (RRAddOutputMode, req);
req->reqType = info->codes->major_opcode;
req->randrReqType = X_RRAddOutputMode;
req->output = output;
req->mode = mode;
UnlockDisplay (dpy);
SyncHandle ();
}
void
XRRDeleteOutputMode (Display *dpy, RROutput output, RRMode mode)
{
XExtDisplayInfo *info = XRRFindDisplay(dpy);
xRRDeleteOutputModeReq *req;
RRSimpleCheckExtension (dpy, info);
LockDisplay(dpy);
GetReq (RRDeleteOutputMode, req);
req->reqType = info->codes->major_opcode;
req->randrReqType = X_RRDeleteOutputMode;
req->output = output;
req->mode = mode;
UnlockDisplay (dpy);
SyncHandle ();
}
void
XRRFreeModeInfo (XRRModeInfo *modeInfo)
{
Xfree (modeInfo);
}
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