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IABSD.fr/xenocara/lib/libXext/src/DPMS.c
matthieu
- lib/libXext/src/DPMS.c
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/* $Xorg: DPMS.c,v 1.3 2000/08/17 19:45:50 cpqbld Exp $ */ /***************************************************************** Copyright (c) 1996 Digital Equipment Corporation, Maynard, Massachusetts. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of Digital Equipment Corporation shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from Digital Equipment Corporation. ******************************************************************/ /* $XFree86: xc/lib/Xext/DPMS.c,v 3.5 2002/10/16 00:37:27 dawes Exp $ */ /* * HISTORY */ #define NEED_REPLIES #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <X11/Xlibint.h> #include <X11/extensions/dpms.h> #include <X11/extensions/dpmsstr.h> #include <X11/extensions/Xext.h> #include <X11/extensions/extutil.h> #include <stdio.h> static XExtensionInfo _dpms_info_data; static XExtensionInfo *dpms_info = &_dpms_info_data; static char *dpms_extension_name = DPMSExtensionName; #define DPMSCheckExtension(dpy,i,val) \ XextCheckExtension (dpy, i, dpms_extension_name, val) /***************************************************************************** * * * private utility routines * * * *****************************************************************************/ static int close_display(Display *dpy, XExtCodes *codes); static /* const */ XExtensionHooks dpms_extension_hooks = { NULL, /* create_gc */ NULL, /* copy_gc */ NULL, /* flush_gc */ NULL, /* free_gc */ NULL, /* create_font */ NULL, /* free_font */ close_display, /* close_display */ NULL, /* wire_to_event */ NULL, /* event_to_wire */ NULL, /* error */ NULL /* error_string */ }; static XEXT_GENERATE_FIND_DISPLAY (find_display, dpms_info, dpms_extension_name, &dpms_extension_hooks, DPMSNumberEvents, NULL) static XEXT_GENERATE_CLOSE_DISPLAY (close_display, dpms_info) /***************************************************************************** * * * public routines * * * *****************************************************************************/ Bool DPMSQueryExtension (Display *dpy, int *event_basep, int *error_basep) { XExtDisplayInfo *info = find_display (dpy); if (XextHasExtension(info)) { *event_basep = info->codes->first_event; *error_basep = info->codes->first_error; return True; } else { return False; } } Status DPMSGetVersion(Display *dpy, int *major_versionp, int *minor_versionp) { XExtDisplayInfo *info = find_display (dpy); xDPMSGetVersionReply rep; register xDPMSGetVersionReq *req; DPMSCheckExtension (dpy, info, 0); LockDisplay (dpy); GetReq (DPMSGetVersion, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSGetVersion; if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { UnlockDisplay (dpy); SyncHandle (); return 0; } *major_versionp = rep.majorVersion; *minor_versionp = rep.minorVersion; UnlockDisplay (dpy); SyncHandle (); return 1; } Bool DPMSCapable(Display *dpy) { XExtDisplayInfo *info = find_display (dpy); register xDPMSCapableReq *req; xDPMSCapableReply rep; DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSCapable, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSCapable; if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { UnlockDisplay(dpy); SyncHandle(); return False; } UnlockDisplay(dpy); SyncHandle(); return rep.capable; } Status DPMSSetTimeouts(Display *dpy, CARD16 standby, CARD16 suspend, CARD16 off) { XExtDisplayInfo *info = find_display (dpy); register xDPMSSetTimeoutsReq *req; if ((off != 0)&&(off < suspend)) { return BadValue; } if ((suspend != 0)&&(suspend < standby)) { return BadValue; } DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSSetTimeouts, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSSetTimeouts; req->standby = standby; req->suspend = suspend; req->off = off; UnlockDisplay(dpy); SyncHandle(); return 1; } Bool DPMSGetTimeouts(Display *dpy, CARD16 *standby, CARD16 *suspend, CARD16 *off) { XExtDisplayInfo *info = find_display (dpy); register xDPMSGetTimeoutsReq *req; xDPMSGetTimeoutsReply rep; DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSGetTimeouts, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSGetTimeouts; if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { UnlockDisplay(dpy); SyncHandle(); return False; } UnlockDisplay(dpy); SyncHandle(); *standby = rep.standby; *suspend = rep.suspend; *off = rep.off; return 1; } Status DPMSEnable(Display *dpy) { XExtDisplayInfo *info = find_display (dpy); register xDPMSEnableReq *req; DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSEnable, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSEnable; UnlockDisplay(dpy); SyncHandle(); return 1; } Status DPMSDisable(Display *dpy) { XExtDisplayInfo *info = find_display (dpy); register xDPMSDisableReq *req; DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSDisable, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSDisable; UnlockDisplay(dpy); SyncHandle(); return 1; } Status DPMSForceLevel(Display *dpy, CARD16 level) { XExtDisplayInfo *info = find_display (dpy); register xDPMSForceLevelReq *req; DPMSCheckExtension (dpy, info, 0); if ((level != DPMSModeOn) && (level != DPMSModeStandby) && (level != DPMSModeSuspend) && (level != DPMSModeOff)) return BadValue; LockDisplay(dpy); GetReq(DPMSForceLevel, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSForceLevel; req->level = level; UnlockDisplay(dpy); SyncHandle(); return 1; } Status DPMSInfo(Display *dpy, CARD16 *power_level, BOOL *state) { XExtDisplayInfo *info = find_display (dpy); register xDPMSInfoReq *req; xDPMSInfoReply rep; DPMSCheckExtension (dpy, info, 0); LockDisplay(dpy); GetReq(DPMSInfo, req); req->reqType = info->codes->major_opcode; req->dpmsReqType = X_DPMSInfo; if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { UnlockDisplay(dpy); SyncHandle(); return False; } UnlockDisplay(dpy); SyncHandle(); *power_level = rep.power_level; *state = rep.state; return 1; }