[PATCH 3/3] Move pseudoramiX code from hw/xquartz to top-level
Jon TURNEY
jon.turney at dronecode.org.uk
Fri Jun 22 06:56:23 PDT 2012
Move pseudoramiX code from hw/xquartz to top-level, where it can be shared between Xwin and Xquartz
Update xwin and xquartz (untested) to link with the new libPseudoramiX.la
Signed-off-by: Jon TURNEY <jon.turney at dronecode.org.uk>
---
Makefile.am | 2 +
configure.ac | 1 +
hw/xquartz/Makefile.am | 1 -
hw/xquartz/mach-startup/Makefile.am | 1 +
hw/xquartz/pseudoramiX.c | 515 -----------------------------------
hw/xquartz/pseudoramiX.h | 11 -
hw/xwin/Makefile.am | 2 +
pseudoramiX/Makefile.am | 7 +
pseudoramiX/pseudoramiX.c | 515 +++++++++++++++++++++++++++++++++++
pseudoramiX/pseudoramiX.h | 11 +
10 files changed, 539 insertions(+), 527 deletions(-)
delete mode 100644 hw/xquartz/pseudoramiX.c
delete mode 100644 hw/xquartz/pseudoramiX.h
create mode 100644 pseudoramiX/Makefile.am
create mode 100644 pseudoramiX/pseudoramiX.c
create mode 100644 pseudoramiX/pseudoramiX.h
diff --git a/Makefile.am b/Makefile.am
index cea140b..a8d612c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -27,6 +27,7 @@ SUBDIRS = \
Xext \
miext \
os \
+ pseudoramiX \
randr \
render \
Xi \
@@ -77,6 +78,7 @@ DIST_SUBDIRS = \
Xext \
miext \
os \
+ pseudoramiX \
randr \
render \
Xi \
diff --git a/configure.ac b/configure.ac
index fb3d120..346f7a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2197,6 +2197,7 @@ miext/shadow/Makefile
miext/cw/Makefile
miext/rootless/Makefile
os/Makefile
+pseudoramiX/Makefile
randr/Makefile
render/Makefile
xkb/Makefile
diff --git a/hw/xquartz/Makefile.am b/hw/xquartz/Makefile.am
index a7cc012..5792800 100644
--- a/hw/xquartz/Makefile.am
+++ b/hw/xquartz/Makefile.am
@@ -28,7 +28,6 @@ libXquartz_la_SOURCES = \
darwinEvents.c \
darwinXinput.c \
keysym2ucs.c \
- pseudoramiX.c \
quartz.c \
quartzCocoa.m \
quartzKeyboard.c \
diff --git a/hw/xquartz/mach-startup/Makefile.am b/hw/xquartz/mach-startup/Makefile.am
index 77962b1..70e18ed 100644
--- a/hw/xquartz/mach-startup/Makefile.am
+++ b/hw/xquartz/mach-startup/Makefile.am
@@ -29,6 +29,7 @@ X11_bin_DEPENDENCIES = \
$(top_builddir)/dix/dixfonts.lo \
$(top_builddir)/miext/rootless/librootless.la \
$(top_builddir)/hw/xquartz/pbproxy/libxpbproxy.la \
+ $(top_builddir)/pseudoramiX/libPseudoramiX.la \
$(XQUARTZ_LIBS) $(XSERVER_LIBS)
# $(XSERVER_SYS_LIBS) is placed here in order to set command line ordering
diff --git a/hw/xquartz/pseudoramiX.c b/hw/xquartz/pseudoramiX.c
deleted file mode 100644
index 41b80c4..0000000
--- a/hw/xquartz/pseudoramiX.c
+++ /dev/null
@@ -1,515 +0,0 @@
-/*
- * 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.
- ******************************************************************/
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "pseudoramiX.h"
-#include "extnsionst.h"
-#include "dixstruct.h"
-#include "window.h"
-#include <X11/extensions/panoramiXproto.h>
-#include "globals.h"
-
-#define TRACE PseudoramiXTrace("TRACE " __FILE__ ":%s",__FUNCTION__)
-#define DEBUG_LOG PseudoramiXDebug
-
-Bool noPseudoramiXExtension = FALSE;
-
-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 unsigned long pseudoramiXGeneration = 0;
-
-static void
-PseudoramiXTrace(const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(X_NONE, 10, format, ap);
- va_end(ap);
-}
-
-static void
-PseudoramiXDebug(const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- LogVMessageVerb(X_NONE, 3, format, ap);
- va_end(ap);
-}
-
-// 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 = realloc(pseudoramiXScreens,
- pseudoramiXScreensAllocated *
- sizeof(PseudoramiXScreenRec));
- }
-
- DEBUG_LOG("x: %d, y: %d, w: %d, h: %d\n", x, y, w, h);
-
- 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;
-
- TRACE;
-
- /* Even with only one screen we need to enable PseudoramiX to allow
- dynamic screen configuration changes. */
-#if 0
- if (pseudoramiXNumScreens == 1) {
- // Only one screen - disable Xinerama extension.
- noPseudoramiXExtension = TRUE;
- return;
- }
-#endif
-
- 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;
- }
-}
-
-void
-PseudoramiXResetScreens(void)
-{
- TRACE;
-
- pseudoramiXNumScreens = 0;
-}
-
-static void
-PseudoramiXResetProc(ExtensionEntry *extEntry)
-{
- TRACE;
-
- PseudoramiXResetScreens();
-}
-
-// was PanoramiX
-static int
-ProcPseudoramiXQueryVersion(ClientPtr client)
-{
- TRACE;
-
- return ProcPanoramiXQueryVersion(client);
-}
-
-// was PanoramiX
-static int
-ProcPseudoramiXGetState(ClientPtr client)
-{
- REQUEST(xPanoramiXGetStateReq);
- WindowPtr pWin;
- xPanoramiXGetStateReply rep;
- register int rc;
-
- TRACE;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.state = !noPseudoramiXExtension;
- rep.window = stuff->window;
- if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.window);
- }
- WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
- return Success;
-}
-
-// was PanoramiX
-static int
-ProcPseudoramiXGetScreenCount(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenCountReq);
- WindowPtr pWin;
- xPanoramiXGetScreenCountReply rep;
- register int rc;
-
- TRACE;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.ScreenCount = pseudoramiXNumScreens;
- rep.window = stuff->window;
- if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.window);
- }
- WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
- return Success;
-}
-
-// was PanoramiX
-static int
-ProcPseudoramiXGetScreenSize(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenSizeReq);
- WindowPtr pWin;
- xPanoramiXGetScreenSizeReply rep;
- register int n, rc;
-
- TRACE;
-
- if (stuff->screen >= pseudoramiXNumScreens)
- return BadMatch;
-
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
- rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
- if (rc != Success)
- return rc;
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- /* screen dimensions */
- rep.width = pseudoramiXScreens[stuff->screen].w;
- // was screenInfo.screens[stuff->screen]->width;
- rep.height = pseudoramiXScreens[stuff->screen].h;
- // was screenInfo.screens[stuff->screen]->height;
- rep.window = stuff->window;
- rep.screen = stuff->screen;
- if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.width);
- swapl(&rep.height);
- swapl(&rep.window);
- swapl(&rep.screen);
- }
- WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
- return Success;
-}
-
-// was Xinerama
-static int
-ProcPseudoramiXIsActive(ClientPtr client)
-{
- /* REQUEST(xXineramaIsActiveReq); */
- xXineramaIsActiveReply rep;
-
- TRACE;
-
- REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
-
- rep.type = X_Reply;
- rep.length = 0;
- rep.sequenceNumber = client->sequence;
- rep.state = !noPseudoramiXExtension;
- if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.state);
- }
- WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *)&rep);
- return Success;
-}
-
-// was Xinerama
-static int
-ProcPseudoramiXQueryScreens(ClientPtr client)
-{
- /* REQUEST(xXineramaQueryScreensReq); */
- xXineramaQueryScreensReply rep;
-
- DEBUG_LOG("noPseudoramiXExtension=%d, pseudoramiXNumScreens=%d\n",
- noPseudoramiXExtension,
- pseudoramiXNumScreens);
-
- REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
-
- rep.type = X_Reply;
- rep.sequenceNumber = client->sequence;
- rep.number = noPseudoramiXExtension ? 0 : pseudoramiXNumScreens;
- rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
- if (client->swapped) {
- swaps(&rep.sequenceNumber);
- swapl(&rep.length);
- swapl(&rep.number);
- }
- 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) {
- swaps(&scratch.x_org);
- swaps(&scratch.y_org);
- swaps(&scratch.width);
- swaps(&scratch.height);
- }
- WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
- }
- }
-
- return Success;
-}
-
-// was PanoramiX
-static int
-ProcPseudoramiXDispatch(ClientPtr client)
-{
- REQUEST(xReq);
- TRACE;
- 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);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
- return ProcPseudoramiXQueryVersion(client);
-}
-
-static int
-SProcPseudoramiXGetState(ClientPtr client)
-{
- REQUEST(xPanoramiXGetStateReq);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
- return ProcPseudoramiXGetState(client);
-}
-
-static int
-SProcPseudoramiXGetScreenCount(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenCountReq);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
- return ProcPseudoramiXGetScreenCount(client);
-}
-
-static int
-SProcPseudoramiXGetScreenSize(ClientPtr client)
-{
- REQUEST(xPanoramiXGetScreenSizeReq);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
- return ProcPseudoramiXGetScreenSize(client);
-}
-
-static int
-SProcPseudoramiXIsActive(ClientPtr client)
-{
- REQUEST(xXineramaIsActiveReq);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
- return ProcPseudoramiXIsActive(client);
-}
-
-static int
-SProcPseudoramiXQueryScreens(ClientPtr client)
-{
- REQUEST(xXineramaQueryScreensReq);
-
- TRACE;
-
- swaps(&stuff->length);
- REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
- return ProcPseudoramiXQueryScreens(client);
-}
-
-static int
-SProcPseudoramiXDispatch(ClientPtr client)
-{
- REQUEST(xReq);
-
- TRACE;
-
- 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;
-}
diff --git a/hw/xquartz/pseudoramiX.h b/hw/xquartz/pseudoramiX.h
deleted file mode 100644
index f41b5cb..0000000
--- a/hw/xquartz/pseudoramiX.h
+++ /dev/null
@@ -1,11 +0,0 @@
-/*
- * Minimal implementation of PanoramiX/Xinerama
- */
-
-extern int noPseudoramiXExtension;
-
-void
-PseudoramiXAddScreen(int x, int y, int w, int h);
-void PseudoramiXExtensionInit(int argc, char *argv[]);
-void
-PseudoramiXResetScreens(void);
diff --git a/hw/xwin/Makefile.am b/hw/xwin/Makefile.am
index c490163..8871f68 100644
--- a/hw/xwin/Makefile.am
+++ b/hw/xwin/Makefile.am
@@ -146,6 +146,8 @@ XWin_SOURCES = $(SRCS)
INCLUDES = -I$(top_srcdir)/miext/rootless
+XWIN_LIBS += $(top_builddir)/pseudoramiX/libPseudoramiX.la
+
XWin_DEPENDENCIES = $(MULTIWINDOWEXTWM_LIBS) $(XWIN_GLX_LIBS) $(XWIN_LIBS) $(MAIN_LIB) $(XSERVER_LIBS)
XWin_LDADD = $(MULTIWINDOWEXTWM_LIBS) $(XWIN_GLX_LIBS) $(XWIN_GLX_LINK_FLAGS) $(XWIN_LIBS) $(MAIN_LIB) $(XSERVER_LIBS) $(XSERVER_SYS_LIBS) $(XWIN_SYS_LIBS)
XWin_LDFLAGS = -mwindows -static
diff --git a/pseudoramiX/Makefile.am b/pseudoramiX/Makefile.am
new file mode 100644
index 0000000..17b664b
--- /dev/null
+++ b/pseudoramiX/Makefile.am
@@ -0,0 +1,7 @@
+# Fake Xinerama extension
+
+AM_CFLAGS = $(DIX_CFLAGS)
+
+noinst_LTLIBRARIES = libPseudoramiX.la
+
+libPseudoramiX_la_SOURCES = pseudoramiX.c pseudoramiX.h
diff --git a/pseudoramiX/pseudoramiX.c b/pseudoramiX/pseudoramiX.c
new file mode 100644
index 0000000..41b80c4
--- /dev/null
+++ b/pseudoramiX/pseudoramiX.c
@@ -0,0 +1,515 @@
+/*
+ * 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.
+ ******************************************************************/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "pseudoramiX.h"
+#include "extnsionst.h"
+#include "dixstruct.h"
+#include "window.h"
+#include <X11/extensions/panoramiXproto.h>
+#include "globals.h"
+
+#define TRACE PseudoramiXTrace("TRACE " __FILE__ ":%s",__FUNCTION__)
+#define DEBUG_LOG PseudoramiXDebug
+
+Bool noPseudoramiXExtension = FALSE;
+
+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 unsigned long pseudoramiXGeneration = 0;
+
+static void
+PseudoramiXTrace(const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(X_NONE, 10, format, ap);
+ va_end(ap);
+}
+
+static void
+PseudoramiXDebug(const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ LogVMessageVerb(X_NONE, 3, format, ap);
+ va_end(ap);
+}
+
+// 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 = realloc(pseudoramiXScreens,
+ pseudoramiXScreensAllocated *
+ sizeof(PseudoramiXScreenRec));
+ }
+
+ DEBUG_LOG("x: %d, y: %d, w: %d, h: %d\n", x, y, w, h);
+
+ 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;
+
+ TRACE;
+
+ /* Even with only one screen we need to enable PseudoramiX to allow
+ dynamic screen configuration changes. */
+#if 0
+ if (pseudoramiXNumScreens == 1) {
+ // Only one screen - disable Xinerama extension.
+ noPseudoramiXExtension = TRUE;
+ return;
+ }
+#endif
+
+ 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;
+ }
+}
+
+void
+PseudoramiXResetScreens(void)
+{
+ TRACE;
+
+ pseudoramiXNumScreens = 0;
+}
+
+static void
+PseudoramiXResetProc(ExtensionEntry *extEntry)
+{
+ TRACE;
+
+ PseudoramiXResetScreens();
+}
+
+// was PanoramiX
+static int
+ProcPseudoramiXQueryVersion(ClientPtr client)
+{
+ TRACE;
+
+ return ProcPanoramiXQueryVersion(client);
+}
+
+// was PanoramiX
+static int
+ProcPseudoramiXGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+ WindowPtr pWin;
+ xPanoramiXGetStateReply rep;
+ register int rc;
+
+ TRACE;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.state = !noPseudoramiXExtension;
+ rep.window = stuff->window;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.window);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetStateReply), (char *)&rep);
+ return Success;
+}
+
+// was PanoramiX
+static int
+ProcPseudoramiXGetScreenCount(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenCountReq);
+ WindowPtr pWin;
+ xPanoramiXGetScreenCountReply rep;
+ register int rc;
+
+ TRACE;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.ScreenCount = pseudoramiXNumScreens;
+ rep.window = stuff->window;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.window);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetScreenCountReply), (char *)&rep);
+ return Success;
+}
+
+// was PanoramiX
+static int
+ProcPseudoramiXGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+ WindowPtr pWin;
+ xPanoramiXGetScreenSizeReply rep;
+ register int n, rc;
+
+ TRACE;
+
+ if (stuff->screen >= pseudoramiXNumScreens)
+ return BadMatch;
+
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess);
+ if (rc != Success)
+ return rc;
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ /* screen dimensions */
+ rep.width = pseudoramiXScreens[stuff->screen].w;
+ // was screenInfo.screens[stuff->screen]->width;
+ rep.height = pseudoramiXScreens[stuff->screen].h;
+ // was screenInfo.screens[stuff->screen]->height;
+ rep.window = stuff->window;
+ rep.screen = stuff->screen;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.width);
+ swapl(&rep.height);
+ swapl(&rep.window);
+ swapl(&rep.screen);
+ }
+ WriteToClient(client, sizeof(xPanoramiXGetScreenSizeReply), (char *)&rep);
+ return Success;
+}
+
+// was Xinerama
+static int
+ProcPseudoramiXIsActive(ClientPtr client)
+{
+ /* REQUEST(xXineramaIsActiveReq); */
+ xXineramaIsActiveReply rep;
+
+ TRACE;
+
+ REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.state = !noPseudoramiXExtension;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.state);
+ }
+ WriteToClient(client, sizeof(xXineramaIsActiveReply), (char *)&rep);
+ return Success;
+}
+
+// was Xinerama
+static int
+ProcPseudoramiXQueryScreens(ClientPtr client)
+{
+ /* REQUEST(xXineramaQueryScreensReq); */
+ xXineramaQueryScreensReply rep;
+
+ DEBUG_LOG("noPseudoramiXExtension=%d, pseudoramiXNumScreens=%d\n",
+ noPseudoramiXExtension,
+ pseudoramiXNumScreens);
+
+ REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+
+ rep.type = X_Reply;
+ rep.sequenceNumber = client->sequence;
+ rep.number = noPseudoramiXExtension ? 0 : pseudoramiXNumScreens;
+ rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo);
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber);
+ swapl(&rep.length);
+ swapl(&rep.number);
+ }
+ 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) {
+ swaps(&scratch.x_org);
+ swaps(&scratch.y_org);
+ swaps(&scratch.width);
+ swaps(&scratch.height);
+ }
+ WriteToClient(client, sz_XineramaScreenInfo, (char *)&scratch);
+ }
+ }
+
+ return Success;
+}
+
+// was PanoramiX
+static int
+ProcPseudoramiXDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+ TRACE;
+ 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);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXQueryVersionReq);
+ return ProcPseudoramiXQueryVersion(client);
+}
+
+static int
+SProcPseudoramiXGetState(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetStateReq);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetStateReq);
+ return ProcPseudoramiXGetState(client);
+}
+
+static int
+SProcPseudoramiXGetScreenCount(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenCountReq);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq);
+ return ProcPseudoramiXGetScreenCount(client);
+}
+
+static int
+SProcPseudoramiXGetScreenSize(ClientPtr client)
+{
+ REQUEST(xPanoramiXGetScreenSizeReq);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq);
+ return ProcPseudoramiXGetScreenSize(client);
+}
+
+static int
+SProcPseudoramiXIsActive(ClientPtr client)
+{
+ REQUEST(xXineramaIsActiveReq);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xXineramaIsActiveReq);
+ return ProcPseudoramiXIsActive(client);
+}
+
+static int
+SProcPseudoramiXQueryScreens(ClientPtr client)
+{
+ REQUEST(xXineramaQueryScreensReq);
+
+ TRACE;
+
+ swaps(&stuff->length);
+ REQUEST_SIZE_MATCH(xXineramaQueryScreensReq);
+ return ProcPseudoramiXQueryScreens(client);
+}
+
+static int
+SProcPseudoramiXDispatch(ClientPtr client)
+{
+ REQUEST(xReq);
+
+ TRACE;
+
+ 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;
+}
diff --git a/pseudoramiX/pseudoramiX.h b/pseudoramiX/pseudoramiX.h
new file mode 100644
index 0000000..f41b5cb
--- /dev/null
+++ b/pseudoramiX/pseudoramiX.h
@@ -0,0 +1,11 @@
+/*
+ * Minimal implementation of PanoramiX/Xinerama
+ */
+
+extern int noPseudoramiXExtension;
+
+void
+PseudoramiXAddScreen(int x, int y, int w, int h);
+void PseudoramiXExtensionInit(int argc, char *argv[]);
+void
+PseudoramiXResetScreens(void);
--
1.7.9
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