diff options
Diffstat (limited to 'nx-X11/lib/dmx/dmx.c')
| -rw-r--r-- | nx-X11/lib/dmx/dmx.c | 802 |
1 files changed, 0 insertions, 802 deletions
diff --git a/nx-X11/lib/dmx/dmx.c b/nx-X11/lib/dmx/dmx.c deleted file mode 100644 index 1df28e690..000000000 --- a/nx-X11/lib/dmx/dmx.c +++ /dev/null @@ -1,802 +0,0 @@ -/* $XFree86$ */ -/* - * Copyright 2002-2004 Red Hat Inc., Durham, North Carolina. - * - * All Rights Reserved. - * - * 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 on the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) 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 - * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS - * BE LIABLE FOR ANY CLAIM, 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. - */ - -/* - * Authors: - * Rickard E. (Rik) Faith <faith@redhat.com> - * - */ - -/* THIS IS NOT AN X CONSORTIUM STANDARD */ - -/** \file - * This file implements the client-side part of the DMX protocol. It - * can be included in client applications by linking with the libdmx.a - * library. */ - -#define NEED_REPLIES -#include <X11/Xlibint.h> -#include <X11/extensions/Xext.h> -#define EXTENSION_PROC_ARGS void * -#include <X11/extensions/extutil.h> -#include <X11/extensions/dmxproto.h> -#include <X11/extensions/dmxext.h> - -static XExtensionInfo dmx_extension_info_data; -static XExtensionInfo *dmx_extension_info = &dmx_extension_info_data; -static const char *dmx_extension_name = DMX_EXTENSION_NAME; - -#define DMXCheckExtension(dpy,i,val) \ - XextCheckExtension(dpy, i, dmx_extension_name, val) -#define DMXSimpleCheckExtension(dpy,i) \ - XextSimpleCheckExtension(dpy, i, dmx_extension_name) - -/***************************************************************************** - * * - * private utility routines * - * * - *****************************************************************************/ - -static int close_display(Display *dpy, XExtCodes *extCodes); -static /* const */ XExtensionHooks dmx_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, dmx_extension_info, - (char *)dmx_extension_name, - &dmx_extension_hooks, - 0, NULL) - -static XEXT_GENERATE_CLOSE_DISPLAY(close_display, dmx_extension_info) - - -/***************************************************************************** - * * - * public DMX Extension routines * - * * - *****************************************************************************/ - -/** If the server has the DMX extension, the event and error bases will - * be placed in \a event_basep and \a error_basep, and True will be - * returned. Otherwise, False will be returned. - * - * Available in DMX Protocol Version 1.0 */ -Bool DMXQueryExtension(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; - } -} - -/** If the DMXQueryVersion protocol request returns version information - * from the server, \a majorVersion, \a minorVersion, and \a - * patchVersion are filled in with the appropriate information and True - * is returned. Otherwise, False will be returned. - * - * Available in DMX Protocol Version 1.0 */ -Bool DMXQueryVersion(Display *dpy, - int *majorVersion, int *minorVersion, int *patchVersion) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXQueryVersionReply rep; - xDMXQueryVersionReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXQueryVersion, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXQueryVersion; - if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - *majorVersion = rep.majorVersion; - *minorVersion = rep.minorVersion; - *patchVersion = rep.patchVersion; - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -/** Flush all pending dmxSync requests in DMX server. - * - * Available in DMX Protocol Version 1.5 */ -Bool DMXSync(Display *dpy) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXSyncReply rep; - xDMXSyncReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXSync, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXSync; - if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} - -/** The creation of the specified \a window will be forced. - * - * Available in DMX Protocol Version 1.2 - * Reply added in DMX Protocol Version 2.0 */ -Bool DMXForceWindowCreation(Display *dpy, Window window) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXForceWindowCreationReq *req; - xDMXForceWindowCreationReply rep; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXForceWindowCreation, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXForceWindowCreation; - req->window = window; - if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} - -/** If the DMXGetScreenCount protocol request returns the screen count, - * the value will be placed in \a screen_count, and True will be - * returned. Otherwise, False will be returned. - * - * Available in DMX Protocol Version 1.0 */ -Bool DMXGetScreenCount(Display *dpy, int *screen_count) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetScreenCountReply rep; - xDMXGetScreenCountReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetScreenCount, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetScreenCount; - if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - *screen_count = rep.screenCount; - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -/** If the DMXGetScreenAttributes protocol request returns information - * for the specified \a physical_screen, information about the screen - * will be placed in \a attr, and True will be returned. Otherwise, - * False will be returned. - * - * Available in DMX Protocol Version 1.0; Modified in Version 2.0 */ -Bool DMXGetScreenAttributes(Display *dpy, int physical_screen, - DMXScreenAttributes *attr) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetScreenAttributesReply rep; - xDMXGetScreenAttributesReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetScreenAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetScreenAttributes; - req->physicalScreen = physical_screen; - if (!_XReply(dpy, (xReply *)&rep, - (SIZEOF(xDMXGetScreenAttributesReply) - 32) >> 2, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - attr->displayName = Xmalloc(rep.displayNameLength + 1 + 4 /* for pad */); - _XReadPad(dpy, attr->displayName, rep.displayNameLength); - attr->displayName[rep.displayNameLength] = '\0'; - attr->logicalScreen = rep.logicalScreen; - - attr->screenWindowWidth = rep.screenWindowWidth; - attr->screenWindowHeight = rep.screenWindowHeight; - attr->screenWindowXoffset = rep.screenWindowXoffset; - attr->screenWindowYoffset = rep.screenWindowYoffset; - - attr->rootWindowWidth = rep.rootWindowWidth; - attr->rootWindowHeight = rep.rootWindowHeight; - attr->rootWindowXoffset = rep.rootWindowXoffset; - attr->rootWindowYoffset = rep.rootWindowYoffset; - attr->rootWindowXorigin = rep.rootWindowXorigin; - attr->rootWindowYorigin = rep.rootWindowYorigin; - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -static CARD32 _DMXGetScreenAttribute(int bit, DMXScreenAttributes *attr) -{ - switch (1 << bit) { - case DMXScreenWindowWidth: return attr->screenWindowWidth; - case DMXScreenWindowHeight: return attr->screenWindowHeight; - case DMXScreenWindowXoffset: return attr->screenWindowXoffset; - case DMXScreenWindowYoffset: return attr->screenWindowYoffset; - case DMXRootWindowWidth: return attr->rootWindowWidth; - case DMXRootWindowHeight: return attr->rootWindowHeight; - case DMXRootWindowXoffset: return attr->rootWindowXoffset; - case DMXRootWindowYoffset: return attr->rootWindowYoffset; - case DMXRootWindowXorigin: return attr->rootWindowXorigin; - case DMXRootWindowYorigin: return attr->rootWindowYorigin; - default: return 0; - } -} - -static int _DMXDumpScreenAttributes(Display *dpy, - unsigned long mask, - DMXScreenAttributes *attr) -{ - int i; - unsigned long value_list[32]; - unsigned long *value = value_list; - int count = 0; - - for (i = 0; i < 32; i++) { - if (mask & (1 << i)) { - *value++ = _DMXGetScreenAttribute(i, attr); - ++count; - } - } - Data32(dpy, value_list, count * sizeof(CARD32)); - return count; -} - -static CARD32 _DMXGetInputAttribute(int bit, DMXInputAttributes *attr) -{ - switch (1 << bit) { - case DMXInputType: - switch (attr->inputType) { - case DMXLocalInputType: return 0; - case DMXConsoleInputType: return 1; - case DMXBackendInputType: return 2; - } - return attr->inputType; - case DMXInputPhysicalScreen: return attr->physicalScreen; - case DMXInputSendsCore: return attr->sendsCore; - default: return 0; - } -} - -static int _DMXDumpInputAttributes(Display *dpy, - unsigned long mask, - DMXInputAttributes *attr) -{ - int i; - unsigned long value_list[32]; - unsigned long *value = value_list; - int count = 0; - - for (i = 0; i < 32; i++) { - if (mask & (1 << i)) { - *value++ = _DMXGetInputAttribute(i, attr); - ++count; - } - } - Data32(dpy, value_list, count * sizeof(CARD32)); - return count; -} - -/** Change geometries and positions of the DMX screen and root windows - * on the back-end X server. */ -int DMXChangeScreensAttributes(Display *dpy, - int screen_count, - int *screens, - int mask_count, - unsigned int *masks, - DMXScreenAttributes *attrs, /* vector */ - int *error_screen) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXChangeScreensAttributesReply rep; - xDMXChangeScreensAttributesReq *req; - int i; - unsigned int mask = 0; - CARD32 *screen_list; - CARD32 *mask_list; - - DMXCheckExtension(dpy, info, False); - - if (screen_count < 1 || mask_count < 1) return DmxBadValue; - - LockDisplay(dpy); - GetReq(DMXChangeScreensAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXChangeScreensAttributes; - req->screenCount = screen_count; - req->maskCount = mask_count; - req->length += screen_count + mask_count; - - screen_list = (CARD32 *)Xmalloc(sizeof(*screen_list) * screen_count); - for (i = 0; i < screen_count; i++) screen_list[i] = screens[i]; - Data32(dpy, screen_list, screen_count * sizeof(CARD32)); - Xfree(screen_list); - - mask_list = (CARD32 *)Xmalloc(sizeof(*mask_list) * mask_count); - for (i = 0; i < mask_count; i++) mask_list[i] = masks[i]; - Data32(dpy, mask_list, mask_count * sizeof(CARD32)); - Xfree(mask_list); - - for (i = 0; i < screen_count; i++) { - if (i < mask_count) mask = masks[i]; - req->length += _DMXDumpScreenAttributes(dpy, mask, attrs + i); - } - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return DmxBadReply; - } - if (error_screen) *error_screen = rep.errorScreen; - UnlockDisplay(dpy); - SyncHandle(); - return rep.status; -} - -/** Add a screen. */ -Bool DMXAddScreen(Display *dpy, const char *displayName, unsigned int mask, - DMXScreenAttributes *attr, int *screen) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXAddScreenReply rep; - xDMXAddScreenReq *req; - int length; - int paddedLength; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXAddScreen, req); - length = displayName ? strlen(displayName) : 0; - paddedLength = (length + 3) & ~3; - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXAddScreen; - req->displayNameLength = length; - req->physicalScreen = *screen; - req->valueMask = mask; - req->length += paddedLength/4; - req->length += _DMXDumpScreenAttributes(dpy, mask, attr); - - if (length) { - char *buffer = Xmalloc(paddedLength); - memset(buffer, 0, paddedLength); - memcpy(buffer, displayName, length); - Data32(dpy, buffer, paddedLength); - Xfree(buffer); - } - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - if (screen) *screen = rep.physicalScreen; - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} - -/** Remove a screen. */ -Bool DMXRemoveScreen(Display *dpy, int screen) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXRemoveScreenReply rep; - xDMXRemoveScreenReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXRemoveScreen, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXRemoveScreen; - req->physicalScreen = screen; - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} - -/** If the DMXGetWindowAttributes protocol request returns information - * about the specified \a window, the number of screens for which - * information is available will be returned in \a screen_count and - * information about the first \a available_count of those screens will - * be placed in \a inf. Because this call transports a great deal of - * information over the wire, please call #DMXGetScreenCount first, and - * make sure \a inf is that large. - * - * Note that if the specified \a window has not yet been mapped when - * #DMXGetWindowAttributes is called, then a subsequent XMapWindow call - * might be buffered in xlib while requests directly to the back-end X - * servers are processed. This race condition can be solved by calling - * #DMXSync before talking directly to the back-end X servers. - * - * Available in DMX Protocol Version 1.0, but not working correctly - * until DMX Protocol Version 1.4 */ -Bool DMXGetWindowAttributes(Display *dpy, Window window, - int *screen_count, int available_count, - DMXWindowAttributes *inf) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetWindowAttributesReply rep; - xDMXGetWindowAttributesReq *req; - unsigned long current; - CARD32 *screens; /* Must match protocol size */ - CARD32 *windows; /* Must match protocol size */ - XRectangle *pos; /* Must match protocol size */ - XRectangle *vis; /* Must match protocol size */ - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetWindowAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetWindowAttributes; - req->window = window; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - - /* FIXME: check for NULL? */ - screens = Xmalloc(rep.screenCount * sizeof(*screens)); - windows = Xmalloc(rep.screenCount * sizeof(*windows)); - pos = Xmalloc(rep.screenCount * sizeof(*pos)); - vis = Xmalloc(rep.screenCount * sizeof(*vis)); - - _XRead(dpy, (char *)screens, rep.screenCount * sizeof(*screens)); - _XRead(dpy, (char *)windows, rep.screenCount * sizeof(*windows)); - _XRead(dpy, (char *)pos, rep.screenCount * sizeof(*pos)); - _XRead(dpy, (char *)vis, rep.screenCount * sizeof(*vis)); - - *screen_count = rep.screenCount; - for (current = 0; - current < rep.screenCount && current < (unsigned)available_count; - current++, inf++) { - inf->screen = screens[current]; - inf->window = windows[current]; - inf->pos = pos[current]; - inf->vis = vis[current]; - } - - Xfree(vis); - Xfree(pos); - Xfree(windows); - Xfree(screens); - - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -/** If the DMXGetDesktopAttributes protocol request returns information - * correctly, the information will be placed in \a attr, and True will - * be returned. Otherwise, False will be returned. - * - * Available in DMX Protocol Version 2.0 */ -Bool DMXGetDesktopAttributes(Display *dpy, DMXDesktopAttributes *attr) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetDesktopAttributesReply rep; - xDMXGetDesktopAttributesReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetDesktopAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetDesktopAttributes; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - attr->width = rep.width; - attr->height = rep.height; - attr->shiftX = rep.shiftX; - attr->shiftY = rep.shiftY; - - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -static CARD32 _DMXGetDesktopAttribute(int bit, DMXDesktopAttributes *attr) -{ - switch (1 << bit) { - case DMXDesktopWidth: return attr->width; - case DMXDesktopHeight: return attr->height; - case DMXDesktopShiftX: return attr->shiftX; - case DMXDesktopShiftY: return attr->shiftY; - default: return 0; - } -} - -static int _DMXDumpDesktopAttributes(Display *dpy, - unsigned long mask, - DMXDesktopAttributes *attr) -{ - int i; - unsigned long value_list[32]; - unsigned long *value = value_list; - int count = 0; - - for (i = 0; i < 32; i++) { - if (mask & (1 << i)) { - *value++ = _DMXGetDesktopAttribute(i, attr); - ++count; - } - } - Data32(dpy, value_list, count * sizeof(CARD32)); - return count; -} - -/** Change the global bounding box and origin offset. - * - * Available in DMX Protocol Version 2.0 */ -int DMXChangeDesktopAttributes(Display *dpy, - unsigned int mask, - DMXDesktopAttributes *attr) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXChangeDesktopAttributesReply rep; - xDMXChangeDesktopAttributesReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXChangeDesktopAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXChangeDesktopAttributes; - req->valueMask = mask; - req->length +=_DMXDumpDesktopAttributes(dpy, mask, attr); - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return DmxBadReply; - } - UnlockDisplay(dpy); - SyncHandle(); - return rep.status; -} - -/** If the DMXGetInputCount protocol request returns the input count, - * the value will be placed in \a input_count, and True will be - * returned. Otherwise, False will be returned. - * - * Available in DMX Protocol Version 1.1 */ -Bool DMXGetInputCount(Display *dpy, int *input_count) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetInputCountReply rep; - xDMXGetInputCountReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetInputCount, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetInputCount; - if (!_XReply(dpy, (xReply *)&rep, 0, xTrue)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - *input_count = rep.inputCount; - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -/** If the DMXGetInputAttributes protocol request returns information - * about the input device with the specified \a id, information about - * the input device will be placed in \a inf, and True will be returned. - * Otherwise, False will be returned. - * - * Available in DMX Protocol Version 1.1 */ -Bool DMXGetInputAttributes(Display *dpy, int id, DMXInputAttributes *inf) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXGetInputAttributesReply rep; - xDMXGetInputAttributesReq *req; - char *buffer; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXGetInputAttributes, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXGetInputAttributes; - req->deviceId = id; - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - - switch (rep.inputType) { - case 0: inf->inputType = DMXLocalInputType; break; - case 1: inf->inputType = DMXConsoleInputType; break; - case 2: inf->inputType = DMXBackendInputType; break; - } - - inf->physicalScreen = rep.physicalScreen; - inf->physicalId = rep.physicalId; - inf->isCore = rep.isCore; - inf->sendsCore = rep.sendsCore; - inf->detached = rep.detached; - buffer = Xmalloc(rep.nameLength + 1 + 4 /* for pad */); - _XReadPad(dpy, buffer, rep.nameLength); - buffer[rep.nameLength] = '\0'; - inf->name = buffer; - UnlockDisplay(dpy); - SyncHandle(); - return True; -} - -/** Add input. */ -Bool DMXAddInput(Display *dpy, unsigned int mask, DMXInputAttributes *attr, - int *id) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXAddInputReply rep; - xDMXAddInputReq *req; - int length; - int paddedLength; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXAddInput, req); - length = attr->name ? strlen(attr->name) : 0; - paddedLength = (length + 3) & ~3; - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXAddInput; - req->displayNameLength = length; - req->valueMask = mask; - req->length += paddedLength/4; - req->length += _DMXDumpInputAttributes(dpy, mask, attr); - - if (length) { - char *buffer = Xmalloc(paddedLength); - memset(buffer, 0, paddedLength); - memcpy(buffer, attr->name, paddedLength); - Data32(dpy, buffer, paddedLength); - Xfree(buffer); - } - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - if (id) *id = rep.physicalId; - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} - -/** Add backend input (a helper function that calls #DMXAddInput). */ -Bool DMXAddBackendInput(Display *dpy, int screen, int sendsCore, int *newId) -{ - DMXInputAttributes attr; - unsigned int mask = (DMXInputType - | DMXInputPhysicalScreen - | DMXInputSendsCore); - - attr.inputType = DMXBackendInputType; - attr.physicalScreen = screen; - attr.sendsCore = sendsCore; - attr.name = NULL; - return DMXAddInput(dpy, mask, &attr, newId); -} - -/** Add console input (a helper function that calls #DMXAddInput). */ -Bool DMXAddConsoleInput(Display *dpy, const char *name, int sendsCore, - int *newId) -{ - DMXInputAttributes attr; - unsigned int mask = (DMXInputType - | DMXInputSendsCore); - - attr.inputType = DMXConsoleInputType; - attr.physicalScreen = 0; - attr.sendsCore = sendsCore; - attr.name = name; - return DMXAddInput(dpy, mask, &attr, newId); -} - -/** Remove an input. */ -Bool DMXRemoveInput(Display *dpy, int id) -{ - XExtDisplayInfo *info = find_display(dpy); - xDMXRemoveInputReply rep; - xDMXRemoveInputReq *req; - - DMXCheckExtension(dpy, info, False); - - LockDisplay(dpy); - GetReq(DMXRemoveInput, req); - req->reqType = info->codes->major_opcode; - req->dmxReqType = X_DMXRemoveInput; - req->physicalId = id; - - if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { - UnlockDisplay(dpy); - SyncHandle(); - return False; - } - UnlockDisplay(dpy); - SyncHandle(); - return rep.status == Success ? True : False; -} |