Merge branch 'nxagent'

1 files changed, 577 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/nxagent/Cursor.c b/nx-X11/programs/Xserver/hw/nxagent/Cursor.c
new file mode 100644
index 000000000..e27415b91
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/Cursor.c
@@ -0,0 +1,577 @@
+/**************************************************************************/
+/*                                                                        */
+/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
+/*                                                                        */
+/* NXAGENT, NX protocol compression and NX extensions to this software    */
+/* are copyright of NoMachine. Redistribution and use of the present      */
+/* software is allowed according to terms specified in the file LICENSE   */
+/* which comes in the source distribution.                                */
+/*                                                                        */
+/* Check http://www.nomachine.com/licensing.html for applicability.       */
+/*                                                                        */
+/* NX and NoMachine are trademarks of Medialogic S.p.A.                   */
+/*                                                                        */
+/* All rights reserved.                                                   */
+/*                                                                        */
+/**************************************************************************/
+
+/*
+
+Copyright 1993 by Davor Matic
+
+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.  Davor Matic makes no representations about
+the suitability of this software for any purpose.  It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#include "X.h"
+#include "Xproto.h"
+#include "screenint.h"
+#include "input.h"
+#include "misc.h"
+#include "cursor.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#include "inputstr.h"
+
+#include "Agent.h"
+#include "Display.h"
+#include "Options.h"
+#include "Screen.h"
+#include "Cursor.h"
+#include "Image.h"
+#include "Visual.h"
+#include "Keyboard.h"
+#include "Args.h"
+#include "Windows.h"
+#include "Events.h"
+#include "Render.h"
+#include "Client.h"
+
+#include "windowstr.h"
+#include "resource.h"
+
+#include "NXlib.h"
+
+/*
+ * Set here the required log level.
+ */
+
+#define PANIC
+#define WARNING
+#undef  TEST
+#undef  DEBUG
+
+/*
+ * Defined in Display.c. There are huge
+ * problems mixing the GC definition in
+ * Xlib with the server code. This must
+ * be reworked.
+ */
+
+extern XlibGC nxagentBitmapGC;
+
+/*
+ * From NXevents.c.
+ */
+
+extern CursorPtr GetSpriteCursor(void);
+
+void nxagentConstrainCursor(ScreenPtr pScreen, BoxPtr pBox)
+{
+  #ifdef TEST
+
+  int width, height;
+
+  width  = nxagentOption(RootWidth);
+  height = nxagentOption(RootHeight);
+
+  if (pBox->x1 <= 0 && pBox->y1 <= 0 &&
+          pBox->x2 >= width && pBox->y2 >= height)
+  {
+    fprintf(stderr, "nxagentConstrainCursor: Called with box [%d,%d,%d,%d]. "
+                "Skipping the operation.\n", pBox->x1, pBox->y1, pBox->x2, pBox->y2);
+  }
+  else
+  {
+    fprintf(stderr, "nxagentConstrainCursor: WARNING! Called with box [%d,%d,%d,%d].\n",
+                pBox->x1, pBox->y1, pBox->x2, pBox->y2);
+  }
+
+  #endif
+}
+
+void nxagentCursorLimits(ScreenPtr pScreen, CursorPtr pCursor,
+                             BoxPtr pHotBox, BoxPtr pTopLeftBox)
+{
+  *pTopLeftBox = *pHotBox;
+}
+
+Bool nxagentDisplayCursor(ScreenPtr pScreen, CursorPtr pCursor)
+{
+
+  /*
+   * Don't define the root cursor
+   * so that nxagent root window
+   * inherits the parent's cursor.
+   */
+
+  Cursor cursor;
+
+  cursor = (pCursor != rootCursor) ? nxagentCursor(pCursor, pScreen): None;
+
+  if (nxagentOption(Rootless) == False)
+  {
+    XDefineCursor(nxagentDisplay,
+                      nxagentInputWindows[pScreen -> myNum],
+                          cursor);
+
+    #ifdef TEST
+    fprintf(stderr, "nxagentDisplayCursor: Called for cursor at [%p] with private [%p].\n",
+                (void *) pCursor, pCursor->devPriv[pScreen->myNum]);
+    #endif
+  }
+
+  return True;
+}
+
+Bool nxagentRealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
+{
+  XImage *image;
+  Pixmap source, mask;
+  XColor fg_color, bg_color;
+  unsigned long valuemask;
+  XGCValues values;
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentRealizeCursor: Called for cursor at [%p].\n", (void *) pCursor);
+  #endif
+
+  valuemask = GCFunction |
+              GCPlaneMask |
+              GCForeground |
+              GCBackground |
+              GCClipMask;
+
+  values.function = GXcopy;
+  values.plane_mask = AllPlanes;
+  values.foreground = 1L;
+  values.background = 0L;
+  values.clip_mask = None;
+
+  XChangeGC(nxagentDisplay, nxagentBitmapGC, valuemask, &values);
+
+  source = XCreatePixmap(nxagentDisplay,
+                         nxagentDefaultWindows[pScreen->myNum],
+                         pCursor->bits->width,
+                         pCursor->bits->height,
+                         1);
+
+  mask = XCreatePixmap(nxagentDisplay,
+                       nxagentDefaultWindows[pScreen->myNum],
+                       pCursor->bits->width,
+                       pCursor->bits->height,
+                       1);
+
+  image = XCreateImage(nxagentDisplay,
+                       nxagentDefaultVisual(pScreen),
+                       1, XYBitmap, 0,
+                       (char *)pCursor->bits->source,
+                       pCursor->bits->width,
+                       pCursor->bits->height,
+                       BitmapPad(nxagentDisplay), 0);
+
+  /*
+   * If we used nxagentImageNormalize() here,
+   * we'd swap our own cursor data in place.
+   * Change byte_order and bitmap_bit_order
+   * in the image struct to let Xlib do the
+   * swap for us.
+   */
+
+  image -> byte_order = IMAGE_BYTE_ORDER;
+  image -> bitmap_bit_order = BITMAP_BIT_ORDER;
+
+  NXCleanImage(image);
+
+  XPutImage(nxagentDisplay, source, nxagentBitmapGC, image,
+                0, 0, 0, 0, pCursor->bits->width, pCursor->bits->height);
+
+  XFree(image);
+
+  image = XCreateImage(nxagentDisplay,
+                       nxagentDefaultVisual(pScreen),
+                       1, XYBitmap, 0,
+                       (char *)pCursor->bits->mask,
+                       pCursor->bits->width,
+                       pCursor->bits->height,
+                       BitmapPad(nxagentDisplay), 0);
+
+  image -> byte_order = IMAGE_BYTE_ORDER;
+  image -> bitmap_bit_order = BITMAP_BIT_ORDER;
+
+  NXCleanImage(image);
+
+  XPutImage(nxagentDisplay, mask, nxagentBitmapGC, image,
+            0, 0, 0, 0, pCursor->bits->width, pCursor->bits->height);
+
+  XFree(image);
+
+  fg_color.red = pCursor->foreRed;
+  fg_color.green = pCursor->foreGreen;
+  fg_color.blue = pCursor->foreBlue;
+
+  bg_color.red = pCursor->backRed;
+  bg_color.green = pCursor->backGreen;
+  bg_color.blue = pCursor->backBlue;
+
+  pCursor->devPriv[pScreen->myNum] = (pointer) xalloc(sizeof(nxagentPrivCursor));
+
+  nxagentCursorPriv(pCursor, pScreen)->cursor =
+         XCreatePixmapCursor(nxagentDisplay, source, mask, &fg_color,
+                                 &bg_color, pCursor->bits->xhot, pCursor->bits->yhot);
+
+  nxagentCursorUsesRender(pCursor, pScreen) = 0;
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentRealizeCursor: Set cursor private at [%p] cursor is [%ld].\n",
+              (void *) nxagentCursorPriv(pCursor, pScreen),
+                  nxagentCursorPriv(pCursor, pScreen) -> cursor);
+  #endif
+
+  XFreePixmap(nxagentDisplay, source);
+  XFreePixmap(nxagentDisplay, mask);
+
+  return True;
+}
+
+Bool nxagentUnrealizeCursor(ScreenPtr pScreen, CursorPtr pCursor)
+{
+  if (nxagentCursorUsesRender(pCursor, pScreen))
+  {
+    PicturePtr pPicture = nxagentCursorPicture(pCursor, pScreen);
+
+    FreePicture(pPicture, pPicture -> id);
+  }
+
+  if (nxagentCursor(pCursor, pScreen) != None)
+  {
+    XFreeCursor(nxagentDisplay, nxagentCursor(pCursor, pScreen));
+
+    nxagentCursor(pCursor, pScreen) = None;
+  }
+
+  xfree(nxagentCursorPriv(pCursor, pScreen));
+
+  return True;
+}
+
+void nxagentRecolorCursor(ScreenPtr pScreen, CursorPtr pCursor,
+                              Bool displayed)
+{
+  XColor fg_color, bg_color;
+
+  fg_color.red = pCursor->foreRed;
+  fg_color.green = pCursor->foreGreen;
+  fg_color.blue = pCursor->foreBlue;
+
+  bg_color.red = pCursor->backRed;
+  bg_color.green = pCursor->backGreen;
+  bg_color.blue = pCursor->backBlue;
+
+  XRecolorCursor(nxagentDisplay,
+                 nxagentCursor(pCursor, pScreen),
+                 &fg_color, &bg_color);
+}
+
+Bool nxagentSetCursorPosition(ScreenPtr pScreen, int x, int y,
+                                  Bool generateEvent)
+{
+  return 1;
+}
+
+void nxagentReconnectCursor(pointer p0, XID x1, pointer p2)
+{
+  Bool* pBool = (Bool*)p2;
+  CursorPtr pCursor = (CursorPtr) p0;
+
+  AnimCurPtr ac;
+  int j;
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentReconnectCursor:  pCursor at [%p]\n", pCursor);
+  #endif
+
+  #ifdef NXAGENT_RECONNECT_CURSOR_DEBUG
+  fprintf(stderr, "nxagentReconnectCursor:  pCursor at [%p]\n", pCursor);
+  #endif
+
+  if (!*pBool || !pCursor)
+  {
+    return;
+  }
+
+  if (nxagentCursorPriv(pCursor, nxagentDefaultScreen) == 0)
+  {
+    if (nxagentIsAnimCursor(pCursor))
+    {
+      #ifdef TEST
+      fprintf(stderr, "nxagentReconnectCursor: nxagentIsAnimCursor   pCursor at [%p]\n", pCursor);
+      #endif
+
+      ac = nxagentGetAnimCursor(pCursor);
+
+      for (j = 0; j < ac->nelt; j++)
+      {
+        nxagentReconnectCursor (ac->elts[j].pCursor, x1, p2);
+
+        #ifdef TEST
+        fprintf(stderr, "nxagentReconnectCursor: Iteration [%d]   pCursor at [%p]\n", j, ac->elts[j].pCursor);
+        #endif
+      }
+    }
+  }
+
+  else
+  {
+    if (nxagentCursorUsesRender(pCursor, nxagentDefaultScreen))
+    {
+      PicturePtr pPicture = nxagentCursorPicture(pCursor, nxagentDefaultScreen);
+      int ret = 1;
+
+      nxagentReconnectPicture(pPicture, 0, &ret);
+
+      nxagentRenderRealizeCursor(nxagentDefaultScreen, pCursor);
+    }
+    else
+    {
+      xfree(nxagentCursorPriv(pCursor, nxagentDefaultScreen));
+      if (!nxagentRealizeCursor(nxagentDefaultScreen, pCursor))
+      {
+        fprintf(stderr, "nxagentReconnectCursor: nxagentRealizeCursor failed\n");
+        *pBool = False;
+      }
+    }
+  }
+
+  #ifdef NXAGENT_RECONNECT_CURSOR_DEBUG
+  fprintf(stderr, "nxagentReconnectCursor: %p - ID %lx\n", pCursor, nxagentCursor(pCursor, nxagentDefaultScreen));
+  #endif
+}
+
+/*
+ * The parameter is ignored at the moment.
+ */
+
+void nxagentReDisplayCurrentCursor()
+{
+  CursorPtr pCursor = GetSpriteCursor();
+
+  if (pCursor &&
+          nxagentCursorPriv(pCursor, nxagentDefaultScreen) &&
+              nxagentCursor(pCursor, nxagentDefaultScreen))
+  {
+    nxagentDisplayCursor(nxagentDefaultScreen, pCursor);
+  }
+}
+
+Bool nxagentReconnectAllCursor(void *p0)
+{
+  int i;
+  Bool r = True;
+
+  GrabPtr grab = inputInfo.pointer -> grab;
+
+  #if defined(NXAGENT_RECONNECT_DEBUG) || defined(NXAGENT_RECONNECT_CURSOR_DEBUG)
+  fprintf(stderr, "nxagentReconnectAllCursor\n");
+  #endif
+
+  for (i = 0, r = 1; i < MAXCLIENTS; r = 1, i++)
+  {
+    if (clients[i])
+    {
+      FindClientResourcesByType(clients[i], RT_CURSOR, nxagentReconnectCursor, &r);
+
+      #ifdef WARNING
+
+      if (r == False)
+      {
+        fprintf(stderr, "nxagentReconnectAllCursor: WARNING! Failed to recreate "
+                    "cursor for client [%d].\n", i);
+      }
+
+      #endif
+    }
+  }
+
+  if (grab)
+  {
+    nxagentReconnectCursor(grab -> cursor, 0, &r);
+  }
+
+  return r;
+}
+
+void nxagentDisconnectCursor(pointer p0, XID x1, pointer p2)
+{
+  Bool* pBool = (Bool *) p2;
+  CursorPtr pCursor = (CursorPtr) p0;
+
+  AnimCurPtr ac;
+  int j;
+
+  if (!*pBool || !pCursor)
+  {
+    return;
+  }
+
+  if (nxagentCursorPriv(pCursor, nxagentDefaultScreen) == 0)
+  {
+    if (nxagentIsAnimCursor(pCursor))
+    {
+      #ifdef TEST
+      fprintf(stderr, "nxagentDisconnectCursor: nxagentIsAnimCursor   pCursor at [%p]\n", pCursor);
+      #endif
+
+      ac = nxagentGetAnimCursor(pCursor);
+
+      for (j = 0; j < ac->nelt; j++)
+      {
+        nxagentDisconnectCursor (ac->elts[j].pCursor, x1, p2);
+
+        #ifdef TEST
+        fprintf(stderr, "nxagentDisconnectCursor: Iteration [%d]   pCursor at [%p]\n", j, ac->elts[j].pCursor);
+        #endif
+      }
+    }
+    return;
+  }
+
+  #ifdef NXAGENT_RECONNECT_CURSOR_DEBUG
+  fprintf(stderr, "nxagentDisconnectCursor: %p - ID %lx\n",
+          pCursor,
+          nxagentCursor(pCursor, nxagentDefaultScreen));
+  #endif
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentDisconnectCursor: Called with bool [%d].\n", *pBool);
+
+  fprintf(stderr, "nxagentDisconnectCursor: Pointer to cursor is [%p] with counter [%d].\n",
+              (void *) pCursor, pCursor -> refcnt);
+
+  fprintf(stderr, "nxagentDisconnectCursor: Dummy screen is at [%p].\n",
+              (void *) nxagentDefaultScreen);
+
+  fprintf(stderr, "nxagentDisconnectCursor: Cursor private is at [%p].\n",
+              (void *) nxagentCursorPriv(pCursor, nxagentDefaultScreen));
+  #endif
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentDisconnectCursor: Dummy screen number is [%d].\n",
+              nxagentDefaultScreen -> myNum);
+
+  fprintf(stderr, "nxagentDisconnectCursor: Cursor is [%ld].\n",
+              nxagentCursor(pCursor, nxagentDefaultScreen));
+  #endif
+
+  nxagentCursor(pCursor, nxagentDefaultScreen) = None;
+
+  if (nxagentCursorUsesRender(pCursor, nxagentDefaultScreen))
+  {
+    PicturePtr pPicture = nxagentCursorPicture(pCursor, nxagentDefaultScreen);
+    int        ret = 1;
+
+    #if defined(NXAGENT_RECONNECT_CURSOR_DEBUG) || defined(NXAGENT_RECONNECT_PICTURE_DEBUG)
+    fprintf(stderr, "nxagentDisconnectCursor: disconnecting attached picture %p\n", pPicture);
+    #endif
+
+    nxagentDisconnectPicture(pPicture, 0, &ret);
+  }
+}
+
+Bool nxagentDisconnectAllCursor()
+{
+  int i;
+  Bool r = True;
+
+  GrabPtr grab = inputInfo.pointer -> grab;
+
+  #ifdef TEST
+  fprintf(stderr, "nxagentDisconnectAllCursor: Going to iterate through cursor resources.\n");
+  #endif
+
+  for (i = 0, r = 1; i < MAXCLIENTS; r = 1, i++)
+  {
+    if (clients[i])
+    {
+      FindClientResourcesByType(clients[i], RT_CURSOR, nxagentDisconnectCursor, &r);
+
+      #ifdef WARNING
+
+      if (r == False)
+      {
+        fprintf(stderr, "nxagentDisconnectAllCursor: WARNING! Failed to disconnect "
+                    "cursor for client [%d].\n", i);
+      }
+
+      #endif
+    }
+  }
+
+  if (grab)
+  {
+    nxagentDisconnectCursor(grab -> cursor, 0, &r);
+  }
+
+  return r;
+}
+
+
+#ifdef NXAGENT_RECONNECT_CURSOR_DEBUG
+
+void nxagentPrintCursorInfo(CursorPtr pCursor, char msg[])
+{
+  fprintf(stderr, "%s: %p - ID %lx - ref count %d\n",
+           msg, pCursor, nxagentCursor(pCursor, nxagentDefaultScreen), pCursor->refcnt);
+}
+
+void nxagentListCursor(void *p0, void *p1, void *p2)
+{
+  CursorPtr pCursor = (CursorPtr)p0;
+
+  nxagentPrintCursorInfo(pCursor, "CursorDebug:");
+}
+
+void nxagentListCursors(void)
+{
+  int i;
+  Bool r;
+
+  for (i = 0, r = 1; i < MAXCLIENTS; r = 1, i++)
+  {
+    if (clients[i])
+    {
+      FindClientResourcesByType(clients[i], RT_CURSOR, nxagentListCursor, &r);
+
+      #ifdef WARNING
+
+      if (r == False)
+      {
+        fprintf(stderr, "nxagentListCursors: WARNING! Failed to list "
+                    "cursor for client [%d].\n", i);
+      }
+
+      #endif
+    }
+  }
+
+  return True;
+}
+
+#endif /* NXAGENT_RECONNECT_CURSOR_DEBUG */