+++ /dev/null
-/*
- * Minimal implementation of PanoramiX/Xinerama
- *
- * This is used in rootless mode where the underlying window server
- * already provides an abstracted view of multiple screens as one
- * large screen area.
- *
- * This code is largely based on panoramiX.c, which contains the
- * following copyright notice:
- */
-/*****************************************************************
-Copyright (c) 1991, 1997 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/programs/Xserver/hw/darwin/quartz/pseudoramiX.c,v 1.1 2002/03/28 02:21:18 torrey Exp $ */
-
-#include "pseudoramiX.h"
-
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "window.h"
-#include "panoramiXproto.h"
-#include "globals.h"
-
-extern int ProcPanoramiXQueryVersion (ClientPtr client);
-
-static void PseudoramiXResetProc(ExtensionEntry *extEntry);
-
-static int ProcPseudoramiXQueryVersion(ClientPtr client);
-static int ProcPseudoramiXGetState(ClientPtr client);
-static int ProcPseudoramiXGetScreenCount(ClientPtr client);
-static int ProcPseudoramiXGetScreenSize(ClientPtr client);
-static int ProcPseudoramiXIsActive(ClientPtr client);
-static int ProcPseudoramiXQueryScreens(ClientPtr client);
-static int ProcPseudoramiXDispatch(ClientPtr client);
-
-static int SProcPseudoramiXQueryVersion(ClientPtr client);
-static int SProcPseudoramiXGetState(ClientPtr client);
-static int SProcPseudoramiXGetScreenCount(ClientPtr client);
-static int SProcPseudoramiXGetScreenSize(ClientPtr client);
-static int SProcPseudoramiXIsActive(ClientPtr client);
-static int SProcPseudoramiXQueryScreens(ClientPtr client);
-static int SProcPseudoramiXDispatch(ClientPtr client);
-
-
-typedef struct {
- int x;
- int y;
- int w;
- int h;
-} PseudoramiXScreenRec;
-
-static PseudoramiXScreenRec *pseudoramiXScreens = NULL;
-static int pseudoramiXScreensAllocated = 0;
-static int pseudoramiXNumScreens = 0;
-static int pseudoramiXGeneration = -1;
-
-
-// Add a PseudoramiX screen.
-// The rest of the X server will know nothing about this screen.
-// Can be called before or after extension init.
-// Screens must be re-added once per generation.
-void
-PseudoramiXAddScreen(int x, int y, int w, int h)
-{
- PseudoramiXScreenRec *s;
-
- if (noPseudoramiXExtension) return;
-
- if (pseudoramiXNumScreens == pseudoramiXScreensAllocated) {
- pseudoramiXScreensAllocated += pseudoramiXScreensAllocated + 1;
- pseudoramiXScreens = xrealloc(pseudoramiXScreens,
- pseudoramiXScreensAllocated *
- sizeof(PseudoramiXScreenRec));
- }
-
- s = &pseudoramiXScreens[pseudoramiXNumScreens++];
- s->x = x;
- s->y = y;
- s->w = w;
- s->h = h;
-}
-
-
-// Initialize PseudoramiX.
-// Copied from PanoramiXExtensionInit
-void PseudoramiXExtensionInit(int argc, char *argv[])
-{
- Bool success = FALSE;
- ExtensionEntry *extEntry;
-
- if (noPseudoramiXExtension) return;
-
-#if 0
- if (pseudoramiXNumScreens == 1) {
- // Only one screen - disable Xinerama extension.
- noPseudoramiXExtension = TRUE;
- return;
- }
-#endif
-
- // The server must not run the PanoramiX operations.
- noPanoramiXExtension = TRUE;
-
- if (pseudoramiXGeneration != serverGeneration) {
- extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0, 0,
- ProcPseudoramiXDispatch,
- SProcPseudoramiXDispatch,
- PseudoramiXResetProc,
- StandardMinorOpcode);
- if (!extEntry) {
- ErrorF("PseudoramiXExtensionInit(): AddExtension failed\n");
- } else {
- pseudoramiXGeneration = serverGeneration;
- success = TRUE;
- }
- }
-
- if (!success) {
- ErrorF("%s Extension (PseudoramiX) failed to initialize\n",
- PANORAMIX_PROTOCOL_NAME);
- return;
- }
-}
-
-
-static void PseudoramiXResetProc(ExtensionEntry *extEntry)
-{
- pseudoramiXNumScreens = 0;
-}
-
-void PseudoramiXResetScreens (void)
-{
- pseudoramiXNumScreens = 0;
-}
-
-// was PanoramiX
-static int ProcPseudoramiXQueryVersion(ClientPtr client)
-{
- return ProcPanoramiXQueryVersion(client);
-}
-
-
-// was PanoramiX
-static int ProcPseudoramiXGetState(ClientPtr client)
-{
- REQUEST(xPanoramiXGetStateReq);
- WindowPtr pWin;
- xPanoramiXGetStateReply rep;
- register int n;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
- pWin = LookupWindow (stuff->window, client);
- if (!pWin)
- return BadWindow;
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.state = !noPseudoramiXExtension;
- if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swaps (&rep.state, n);
- }
- WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep);
- return client->noClientException;
-}
-
-
-// was PanoramiX
-static int ProcPseudoramiXGetScreenCount(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenCountReq);
- WindowPtr pWin;
- xPanoramiXGetScreenCountReply rep;
- register int n;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
- pWin = LookupWindow (stuff->window, client);
- if (!pWin)
- return BadWindow;
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.ScreenCount = pseudoramiXNumScreens;
- if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swaps (&rep.ScreenCount, n);
- }
- WriteToClient (client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
- return client->noClientException;
-}
-
-
-// was PanoramiX
-static int ProcPseudoramiXGetScreenSize(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenSizeReq);
- WindowPtr pWin;
- xPanoramiXGetScreenSizeReply rep;
- register int n;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
- pWin = LookupWindow (stuff->window, client);
- if (!pWin)
- return BadWindow;
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- /* screen dimensions */
- rep.width = pseudoramiXScreens[stuff->screen].w;
- // was panoramiXdataPtr[stuff->screen].width;
- rep.height = pseudoramiXScreens[stuff->screen].h;
- // was panoramiXdataPtr[stuff->screen].height;
- if (client->swapped) {
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swaps (&rep.width, n);
- swaps (&rep.height, n);
- }
- WriteToClient (client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
- return client->noClientException;
-}
-
-
-// was Xinerama
-static int ProcPseudoramiXIsActive(ClientPtr client)
-{
- /* REQUEST(xXineramaIsActiveReq); */
- xXineramaIsActiveReply rep;
-
- REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.state = !noPseudoramiXExtension;
- if (client->swapped) {
- register int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.state, n);
- }
- WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep);
- return client->noClientException;
-}
-
-
-// was Xinerama
-static int ProcPseudoramiXQueryScreens(ClientPtr client)
-{
- /* REQUEST(xXineramaQueryScreensReq); */
- xXineramaQueryScreensReply rep;
-
- REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.number = noPseudoramiXExtension ? 0 : pseudoramiXNumScreens;
- rep.length = rep.number * sz_XineramaScreenInfo >> 2;
- if (client->swapped) {
- register int n;
- swaps (&rep.sequenceNumber, n);
- swapl (&rep.length, n);
- swapl (&rep.number, n);
- }
- WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep);
-
- if (!noPseudoramiXExtension) {
- xXineramaScreenInfo scratch;
- int i;
-
- for(i = 0; i < pseudoramiXNumScreens; i++) {
- scratch.x_org = pseudoramiXScreens[i].x;
- scratch.y_org = pseudoramiXScreens[i].y;
- scratch.width = pseudoramiXScreens[i].w;
- scratch.height = pseudoramiXScreens[i].h;
-
- if(client->swapped) {
- register int n;
- swaps (&scratch.x_org, n);
- swaps (&scratch.y_org, n);
- swaps (&scratch.width, n);
- swaps (&scratch.height, n);
- }
- WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch);
- }
- }
-
- return client->noClientException;
-}
-
-
-// was PanoramiX
-static int ProcPseudoramiXDispatch (ClientPtr client)
-{ REQUEST(xReq);
- switch (stuff->data)
- {
- case X_PanoramiXQueryVersion:
- return ProcPseudoramiXQueryVersion(client);
- case X_PanoramiXGetState:
- return ProcPseudoramiXGetState(client);
- case X_PanoramiXGetScreenCount:
- return ProcPseudoramiXGetScreenCount(client);
- case X_PanoramiXGetScreenSize:
- return ProcPseudoramiXGetScreenSize(client);
- case X_XineramaIsActive:
- return ProcPseudoramiXIsActive(client);
- case X_XineramaQueryScreens:
- return ProcPseudoramiXQueryScreens(client);
- }
- return BadRequest;
-}
-
-
-
-static int
-SProcPseudoramiXQueryVersion (ClientPtr client)
-{
- REQUEST(xPanoramiXQueryVersionReq);
- register int n;
-
- swaps(&stuff->length,n);
- REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq);
- return ProcPseudoramiXQueryVersion(client);
-}
-
-static int
-SProcPseudoramiXGetState(ClientPtr client)
-{
- REQUEST(xPanoramiXGetStateReq);
- register int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
- return ProcPseudoramiXGetState(client);
-}
-
-static int
-SProcPseudoramiXGetScreenCount(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenCountReq);
- register int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
- return ProcPseudoramiXGetScreenCount(client);
-}
-
-static int
-SProcPseudoramiXGetScreenSize(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenSizeReq);
- register int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
- return ProcPseudoramiXGetScreenSize(client);
-}
-
-
-static int
-SProcPseudoramiXIsActive(ClientPtr client)
-{
- REQUEST(xXineramaIsActiveReq);
- register int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
- return ProcPseudoramiXIsActive(client);
-}
-
-
-static int
-SProcPseudoramiXQueryScreens(ClientPtr client)
-{
- REQUEST(xXineramaQueryScreensReq);
- register int n;
-
- swaps (&stuff->length, n);
- REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
- return ProcPseudoramiXQueryScreens(client);
-}
-
-
-static int
-SProcPseudoramiXDispatch (ClientPtr client)
-{ REQUEST(xReq);
- switch (stuff->data)
- {
- case X_PanoramiXQueryVersion:
- return SProcPseudoramiXQueryVersion(client);
- case X_PanoramiXGetState:
- return SProcPseudoramiXGetState(client);
- case X_PanoramiXGetScreenCount:
- return SProcPseudoramiXGetScreenCount(client);
- case X_PanoramiXGetScreenSize:
- return SProcPseudoramiXGetScreenSize(client);
- case X_XineramaIsActive:
- return SProcPseudoramiXIsActive(client);
- case X_XineramaQueryScreens:
- return SProcPseudoramiXQueryScreens(client);
- }
- return BadRequest;
-}
projects / synfig.git / blobdiff