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author | Mihai Moldovan <ionic@ionic.de> | 2015-05-25 23:23:22 +0200 |
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committer | Mihai Moldovan <ionic@ionic.de> | 2015-05-25 23:23:22 +0200 |
commit | 230852e0e77985e1d62593fe393059dc0053c043 (patch) | |
tree | 81f6948179dffd3f28bb01569e1775abf1a7eaba /nx-X11/lib/Xrandr/Xrandr.c | |
parent | 608ee99284dc92e3751ba1ceb2fc5c5ac610f3ec (diff) | |
parent | a6185abd93143524eaddd617ad2cc20a4bd198f0 (diff) | |
download | nx-libs-230852e0e77985e1d62593fe393059dc0053c043.tar.gz nx-libs-230852e0e77985e1d62593fe393059dc0053c043.tar.bz2 nx-libs-230852e0e77985e1d62593fe393059dc0053c043.zip |
Merge branch 'sunweaver-pr/libxrandr-cleanup' into arctica-3.6.x
Attributes GH PR #21: https://github.com/ArcticaProject/nx-libs/pull/21
Diffstat (limited to 'nx-X11/lib/Xrandr/Xrandr.c')
-rw-r--r-- | nx-X11/lib/Xrandr/Xrandr.c | 744 |
1 files changed, 0 insertions, 744 deletions
diff --git a/nx-X11/lib/Xrandr/Xrandr.c b/nx-X11/lib/Xrandr/Xrandr.c deleted file mode 100644 index 32537b403..000000000 --- a/nx-X11/lib/Xrandr/Xrandr.c +++ /dev/null @@ -1,744 +0,0 @@ -/* - * $XFree86: xc/lib/Xrandr/Xrandr.c,v 1.13tsi 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 or HP 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. - */ - -#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" - -XExtensionInfo XRRExtensionInfo; -char XRRExtensionName[] = RANDR_NAME; - -static Bool XRRWireToEvent(Display *dpy, XEvent *event, xEvent *wire); -static Status XRREventToWire(Display *dpy, XEvent *event, xEvent *wire); - -static XRRScreenConfiguration *_XRRGetScreenInfo (Display *dpy, Window window); - -static int -XRRCloseDisplay (Display *dpy, XExtCodes *codes); - -static /* const */ XExtensionHooks rr_extension_hooks = { - NULL, /* create_gc */ - NULL, /* copy_gc */ - NULL, /* flush_gc */ - NULL, /* free_gc */ - NULL, /* create_font */ - NULL, /* free_font */ - XRRCloseDisplay, /* close_display */ - XRRWireToEvent, /* wire_to_event */ - XRREventToWire, /* event_to_wire */ - NULL, /* error */ - NULL, /* error_string */ -}; - -static Bool XRRWireToEvent(Display *dpy, XEvent *event, xEvent *wire) -{ - XExtDisplayInfo *info = XRRFindDisplay(dpy); - XRRScreenChangeNotifyEvent *aevent; - xRRScreenChangeNotifyEvent *awire; - - RRCheckExtension(dpy, info, False); - - switch ((wire->u.u.type & 0x7F) - info->codes->first_event) - { - case RRScreenChangeNotify: - awire = (xRRScreenChangeNotifyEvent *) wire; - aevent = (XRRScreenChangeNotifyEvent *) event; - aevent->type = awire->type & 0x7F; - aevent->serial = _XSetLastRequestRead(dpy, - (xGenericReply *) wire); - aevent->send_event = (awire->type & 0x80) != 0; - aevent->display = dpy; - aevent->window = awire->window; - aevent->root = awire->root; - aevent->timestamp = awire->timestamp; - aevent->config_timestamp = awire->configTimestamp; - aevent->size_index = awire->sizeID; - aevent->subpixel_order = awire->subpixelOrder; - aevent->rotation = awire->rotation; - aevent->width = awire->widthInPixels; - aevent->height = awire->heightInPixels; - aevent->mwidth = awire->widthInMillimeters; - aevent->mheight = awire->heightInMillimeters; - return True; - } - - return False; -} - -static Status XRREventToWire(Display *dpy, XEvent *event, xEvent *wire) -{ - XExtDisplayInfo *info = XRRFindDisplay(dpy); - XRRScreenChangeNotifyEvent *aevent; - xRRScreenChangeNotifyEvent *awire; - - RRCheckExtension(dpy, info, False); - - switch ((event->type & 0x7F) - info->codes->first_event) - { - case RRScreenChangeNotify: - awire = (xRRScreenChangeNotifyEvent *) wire; - aevent = (XRRScreenChangeNotifyEvent *) event; - awire->type = aevent->type | (aevent->send_event ? 0x80 : 0); - awire->rotation = (CARD8) aevent->rotation; - awire->sequenceNumber = aevent->serial & 0xFFFF; - awire->timestamp = aevent->timestamp; - awire->configTimestamp = aevent->config_timestamp; - awire->root = aevent->root; - awire->window = aevent->window; - awire->sizeID = aevent->size_index; - awire->subpixelOrder = aevent->subpixel_order; - awire->widthInPixels = aevent->width; - awire->heightInPixels = aevent->height; - awire->widthInMillimeters = aevent->mwidth; - awire->heightInMillimeters = aevent->mheight; - return True; - } - return False; -} - -XExtDisplayInfo * -XRRFindDisplay (Display *dpy) -{ - XExtDisplayInfo *dpyinfo; - XRandRInfo *xrri; - int i, numscreens; - - dpyinfo = XextFindDisplay (&XRRExtensionInfo, dpy); - if (!dpyinfo) { - dpyinfo = XextAddDisplay (&XRRExtensionInfo, dpy, - XRRExtensionName, - &rr_extension_hooks, - RRNumberEvents, 0); - numscreens = ScreenCount(dpy); - xrri = Xmalloc (sizeof(XRandRInfo) + - sizeof(char *) * numscreens); - xrri->config = (XRRScreenConfiguration **)(xrri + 1); - for(i = 0; i < numscreens; i++) - xrri->config[i] = NULL; - xrri->major_version = -1; - dpyinfo->data = (char *) xrri; - } - return dpyinfo; -} - -static int -XRRCloseDisplay (Display *dpy, XExtCodes *codes) -{ - int i; - XRRScreenConfiguration **configs; - XExtDisplayInfo *info = XRRFindDisplay (dpy); - XRandRInfo *xrri; - - LockDisplay(dpy); - /* - * free cached data - */ - if (XextHasExtension(info)) { - xrri = (XRandRInfo *) info->data; - if (xrri) { - configs = xrri->config; - - for (i = 0; i < ScreenCount(dpy); i++) { - if (configs[i] != NULL) XFree (configs[i]); - } - XFree (xrri); - } - } - UnlockDisplay(dpy); - return XextRemoveDisplay (&XRRExtensionInfo, dpy); -} - - -Rotation XRRConfigRotations(XRRScreenConfiguration *config, Rotation *current_rotation) -{ - *current_rotation = config->current_rotation; - return config->rotations; -} - -XRRScreenSize *XRRConfigSizes(XRRScreenConfiguration *config, int *nsizes) -{ - *nsizes = config->nsizes; - return config->sizes; -} - -short *XRRConfigRates (XRRScreenConfiguration *config, int sizeID, int *nrates) -{ - short *r = config->rates; - int nents = config->nrates; - - /* Skip over the intervening rate lists */ - while (sizeID > 0 && nents > 0) - { - int i = (*r + 1); - r += i; - nents -= i; - sizeID--; - } - if (!nents) - { - *nrates = 0; - return 0; - } - *nrates = (int) *r; - return r + 1; -} - -Time XRRConfigTimes (XRRScreenConfiguration *config, Time *config_timestamp) -{ - *config_timestamp = config->config_timestamp; - return config->timestamp; -} - - -SizeID XRRConfigCurrentConfiguration (XRRScreenConfiguration *config, - Rotation *rotation) -{ - *rotation = (Rotation) config->current_rotation; - return (SizeID) config->current_size; -} - -short XRRConfigCurrentRate (XRRScreenConfiguration *config) -{ - return config->current_rate; -} - -/* - * Go get the screen configuration data and salt it away for future use; - * returns NULL if extension not supported - */ -static XRRScreenConfiguration *_XRRValidateCache (Display *dpy, int screen) -{ - XExtDisplayInfo *info = XRRFindDisplay (dpy); - XRRScreenConfiguration **configs; - XRandRInfo *xrri; - - if (XextHasExtension(info)) { - xrri = (XRandRInfo *) info->data; - configs = xrri->config; - - if (configs[screen] == NULL) - configs[screen] = _XRRGetScreenInfo (dpy, RootWindow(dpy, screen)); - return configs[screen]; - } else { - return NULL; - } -} - -/* given a screen, return the information from the (possibly) cached data */ -Rotation XRRRotations(Display *dpy, int screen, Rotation *current_rotation) -{ - XRRScreenConfiguration *config; - Rotation cr; - LockDisplay(dpy); - if ((config = _XRRValidateCache(dpy, screen))) { - *current_rotation = config->current_rotation; - cr = config->rotations; - UnlockDisplay(dpy); - return cr; - } - else { - UnlockDisplay(dpy); - *current_rotation = RR_Rotate_0; - return 0; /* no rotations supported */ - } -} - -/* given a screen, return the information from the (possibly) cached data */ -XRRScreenSize *XRRSizes(Display *dpy, int screen, int *nsizes) -{ - XRRScreenConfiguration *config; - XRRScreenSize *sizes; - - LockDisplay(dpy); - if ((config = _XRRValidateCache(dpy, screen))) { - *nsizes = config->nsizes; - sizes = config->sizes; - UnlockDisplay(dpy); - return sizes; - } - else { - UnlockDisplay(dpy); - *nsizes = 0; - return NULL; - } -} - -short *XRRRates (Display *dpy, int screen, int sizeID, int *nrates) -{ - XRRScreenConfiguration *config; - short *rates; - - LockDisplay(dpy); - if ((config = _XRRValidateCache(dpy, screen))) { - rates = XRRConfigRates (config, sizeID, nrates); - UnlockDisplay(dpy); - return rates; - } - else { - UnlockDisplay(dpy); - *nrates = 0; - return NULL; - } -} - -/* given a screen, return the information from the (possibly) cached data */ -Time XRRTimes (Display *dpy, int screen, Time *config_timestamp) -{ - XRRScreenConfiguration *config; - Time ts; - - LockDisplay(dpy); - if ((config = _XRRValidateCache(dpy, screen))) { - *config_timestamp = config->config_timestamp; - ts = config->timestamp; - UnlockDisplay(dpy); - return ts; - } else { - UnlockDisplay(dpy); - return CurrentTime; - } -} - -int XRRRootToScreen(Display *dpy, Window root) -{ - int snum; - for (snum = 0; snum < ScreenCount(dpy); snum++) { - if (RootWindow(dpy, snum) == root) return snum; - } - return -1; -} - - -Bool XRRQueryExtension (Display *dpy, int *event_basep, int *error_basep) -{ - XExtDisplayInfo *info = XRRFindDisplay (dpy); - - if (XextHasExtension(info)) { - *event_basep = info->codes->first_event; - *error_basep = info->codes->first_error; - return True; - } else { - return False; - } -} - -static Bool -_XRRHasRates (int major, int minor) -{ - return major > 1 || (major == 1 && minor >= 1); -} - -Status XRRQueryVersion (Display *dpy, - int *major_versionp, - int *minor_versionp) -{ - XExtDisplayInfo *info = XRRFindDisplay (dpy); - xRRQueryVersionReply rep; - xRRQueryVersionReq *req; - XRandRInfo *xrri; - - RRCheckExtension (dpy, info, 0); - - xrri = (XRandRInfo *) info->data; - - /* - * only get the version information from the server if we don't have it already - */ - if (xrri->major_version == -1) { - LockDisplay (dpy); - GetReq (RRQueryVersion, req); - req->reqType = info->codes->major_opcode; - req->randrReqType = X_RRQueryVersion; - req->majorVersion = RANDR_MAJOR; - req->minorVersion = RANDR_MINOR; - if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { - UnlockDisplay (dpy); - SyncHandle (); - return 0; - } - xrri->major_version = rep.majorVersion; - xrri->minor_version = rep.minorVersion; - xrri->has_rates = _XRRHasRates (xrri->major_version, xrri->minor_version); - } - *major_versionp = xrri->major_version; - *minor_versionp = xrri->minor_version; - UnlockDisplay (dpy); - SyncHandle (); - return 1; -} - -typedef struct _randrVersionState { - unsigned long version_seq; - Bool error; - int major_version; - int minor_version; -} _XRRVersionState; - -static Bool -_XRRVersionHandler (Display *dpy, - xReply *rep, - char *buf, - int len, - XPointer data) -{ - xRRQueryVersionReply replbuf; - xRRQueryVersionReply *repl; - _XRRVersionState *state = (_XRRVersionState *) data; - - if (dpy->last_request_read != state->version_seq) - return False; - if (rep->generic.type == X_Error) - { - state->error = True; - return False; - } - repl = (xRRQueryVersionReply *) - _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len, - (SIZEOF(xRRQueryVersionReply) - SIZEOF(xReply)) >> 2, - True); - state->major_version = repl->majorVersion; - state->minor_version = repl->minorVersion; - return True; -} -/* need a version that does not hold the display lock */ -static XRRScreenConfiguration *_XRRGetScreenInfo (Display *dpy, Window window) -{ - XExtDisplayInfo *info = XRRFindDisplay(dpy); - xRRGetScreenInfoReply rep; - xRRGetScreenInfoReq *req; - _XAsyncHandler async; - _XRRVersionState async_state; - int nbytes, nbytesRead, rbytes; - int i; - xScreenSizes size; - struct _XRRScreenConfiguration *scp; - XRRScreenSize *ssp; - short *rates; - xRRQueryVersionReq *vreq; - XRandRInfo *xrri; - Bool getting_version = False; - - RRCheckExtension (dpy, info, 0); - - xrri = (XRandRInfo *) info->data; - - if (xrri->major_version == -1) - { - /* hide a version query in the request */ - GetReq (RRQueryVersion, vreq); - vreq->reqType = info->codes->major_opcode; - vreq->randrReqType = X_RRQueryVersion; - vreq->majorVersion = RANDR_MAJOR; - vreq->minorVersion = RANDR_MINOR; - - async_state.version_seq = dpy->request; - async_state.error = False; - async.next = dpy->async_handlers; - async.handler = _XRRVersionHandler; - async.data = (XPointer) &async_state; - dpy->async_handlers = &async; - - getting_version = True; - } - - GetReq (RRGetScreenInfo, req); - req->reqType = info->codes->major_opcode; - req->randrReqType = X_RRGetScreenInfo; - req->window = window; - - if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) - { - if (getting_version) - DeqAsyncHandler (dpy, &async); - SyncHandle (); - return NULL; - } - if (getting_version) - { - DeqAsyncHandler (dpy, &async); - if (async_state.error) - { - SyncHandle(); - } - xrri->major_version = async_state.major_version; - xrri->minor_version = async_state.minor_version; - xrri->has_rates = _XRRHasRates (xrri->minor_version, xrri->major_version); - } - - /* - * Make the reply compatible with v1.1 - */ - if (!xrri->has_rates) - { - rep.rate = 0; - rep.nrateEnts = 0; - } - - nbytes = (long) rep.length << 2; - - nbytesRead = (long) (rep.nSizes * SIZEOF (xScreenSizes) + - ((rep.nrateEnts + 1)& ~1) * 2 /* SIZEOF (CARD16) */); - - /* - * first we must compute how much space to allocate for - * randr library's use; we'll allocate the structures in a single - * allocation, on cleanlyness grounds. - */ - - rbytes = sizeof (XRRScreenConfiguration) + - (rep.nSizes * sizeof (XRRScreenSize) + - rep.nrateEnts * sizeof (int)); - - scp = (struct _XRRScreenConfiguration *) Xmalloc(rbytes); - if (scp == NULL) { - _XEatData (dpy, (unsigned long) nbytes); - SyncHandle (); - return NULL; - } - - - ssp = (XRRScreenSize *)(scp + 1); - rates = (short *) (ssp + rep.nSizes); - - /* set up the screen configuration structure */ - scp->screen = - ScreenOfDisplay (dpy, XRRRootToScreen(dpy, rep.root)); - - scp->sizes = ssp; - scp->rates = rates; - scp->rotations = rep.setOfRotations; - scp->current_size = rep.sizeID; - scp->current_rate = rep.rate; - scp->current_rotation = rep.rotation; - scp->timestamp = rep.timestamp; - scp->config_timestamp = rep.configTimestamp; - scp->nsizes = rep.nSizes; - scp->nrates = rep.nrateEnts; - - /* - * Time to unpack the data from the server. - */ - - /* - * First the size information - */ - for (i = 0; i < rep.nSizes; i++) { - _XReadPad (dpy, (char *) &size, SIZEOF (xScreenSizes)); - - ssp[i].width = size.widthInPixels; - ssp[i].height = size.heightInPixels; - ssp[i].mwidth = size.widthInMillimeters; - ssp[i].mheight = size.heightInMillimeters; - } - /* - * And the rates - */ - _XRead16Pad (dpy, rates, 2 /* SIZEOF (CARD16) */ * rep.nrateEnts); - - /* - * Skip any extra data - */ - if (nbytes > nbytesRead) - _XEatData (dpy, (unsigned long) (nbytes - nbytesRead)); - - return (XRRScreenConfiguration *)(scp); -} - -XRRScreenConfiguration *XRRGetScreenInfo (Display *dpy, Window window) -{ - XRRScreenConfiguration *config; - XRRFindDisplay(dpy); - LockDisplay (dpy); - config = _XRRGetScreenInfo(dpy, window); - UnlockDisplay (dpy); - SyncHandle (); - return config; -} - - -void XRRFreeScreenConfigInfo (XRRScreenConfiguration *config) -{ - Xfree (config); -} - - -/* - * in protocol version 0.1, routine added to allow selecting for new events. - */ - -void XRRSelectInput (Display *dpy, Window window, int mask) -{ - XExtDisplayInfo *info = XRRFindDisplay (dpy); - xRRSelectInputReq *req; - - RRSimpleCheckExtension (dpy, info); - - LockDisplay (dpy); - GetReq (RRSelectInput, req); - req->reqType = info->codes->major_opcode; - req->randrReqType = X_RRSelectInput; - req->window = window; - req->enable = 0; - if (mask) req->enable = mask; - UnlockDisplay (dpy); - SyncHandle (); - return; -} - -Status XRRSetScreenConfigAndRate (Display *dpy, - XRRScreenConfiguration *config, - Drawable draw, - int size_index, - Rotation rotation, - short rate, - Time timestamp) -{ - XExtDisplayInfo *info = XRRFindDisplay (dpy); - xRRSetScreenConfigReply rep; - XRandRInfo *xrri; - int major, minor; - - RRCheckExtension (dpy, info, 0); - - /* Make sure has_rates is set */ - if (!XRRQueryVersion (dpy, &major, &minor)) - return 0; - - LockDisplay (dpy); - xrri = (XRandRInfo *) info->data; - if (xrri->has_rates) - { - xRRSetScreenConfigReq *req; - GetReq (RRSetScreenConfig, req); - req->reqType = info->codes->major_opcode; - req->randrReqType = X_RRSetScreenConfig; - req->drawable = draw; - req->sizeID = size_index; - req->rotation = rotation; - req->timestamp = timestamp; - req->configTimestamp = config->config_timestamp; - req->rate = rate; - } - else - { - xRR1_0SetScreenConfigReq *req; - GetReq (RR1_0SetScreenConfig, req); - req->reqType = info->codes->major_opcode; - req->randrReqType = X_RRSetScreenConfig; - req->drawable = draw; - req->sizeID = size_index; - req->rotation = rotation; - req->timestamp = timestamp; - req->configTimestamp = config->config_timestamp; - } - - (void) _XReply (dpy, (xReply *) &rep, 0, xTrue); - - if (rep.status == RRSetConfigSuccess) { - /* if we succeed, set our view of reality to what we set it to */ - config->config_timestamp = rep.newConfigTimestamp; - config->timestamp = rep.newTimestamp; - config->screen = ScreenOfDisplay (dpy, XRRRootToScreen(dpy, rep.root)); - config->current_size = size_index; - config->current_rotation = rotation; - } - UnlockDisplay (dpy); - SyncHandle (); - return(rep.status); -} - -Status XRRSetScreenConfig (Display *dpy, - XRRScreenConfiguration *config, - Drawable draw, - int size_index, - Rotation rotation, Time timestamp) -{ - return XRRSetScreenConfigAndRate (dpy, config, draw, size_index, - rotation, 0, timestamp); -} - -int XRRUpdateConfiguration(XEvent *event) -{ - XRRScreenChangeNotifyEvent *scevent; - XConfigureEvent *rcevent; - Display *dpy = event->xany.display; - XExtDisplayInfo *info; - XRandRInfo *xrri; - int snum; - - /* first, see if it is a vanilla configure notify event */ - if (event->type == ConfigureNotify) { - rcevent = (XConfigureEvent *) event; - snum = XRRRootToScreen(dpy, rcevent->window); - dpy->screens[snum].width = rcevent->width; - dpy->screens[snum].height = rcevent->height; - return 1; - } - - info = XRRFindDisplay(dpy); - RRCheckExtension (dpy, info, 0); - - switch (event->type - info->codes->first_event) { - case RRScreenChangeNotify: - scevent = (XRRScreenChangeNotifyEvent *) event; - snum = XRRRootToScreen(dpy, - ((XRRScreenChangeNotifyEvent *) event)->root); - if (scevent->rotation & (RR_Rotate_90 | RR_Rotate_270)) { - dpy->screens[snum].width = scevent->height; - dpy->screens[snum].height = scevent->width; - dpy->screens[snum].mwidth = scevent->mheight; - dpy->screens[snum].mheight = scevent->mwidth; - } else { - dpy->screens[snum].width = scevent->width; - dpy->screens[snum].height = scevent->height; - dpy->screens[snum].mwidth = scevent->mwidth; - dpy->screens[snum].mheight = scevent->mheight; - } - XRenderSetSubpixelOrder (dpy, snum, scevent->subpixel_order); - break; - default: - return 0; - } - xrri = (XRandRInfo *) info->data; - /* - * so the next time someone wants some data, it will be fetched; - * it might be better to force the round trip immediately, but - * I dislike pounding the server simultaneously when not necessary - */ - if (xrri->config[snum] != NULL) { - XFree (xrri->config[snum]); - xrri->config[snum] = NULL; - } - return 1; -} |