IABSD.fr/xenocara/xserver/hw/xnest/Cursor.c

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  Commit

• Author : matthieu
  Date : 2024-11-05 08:13:05
  Hash : 8886fdf6
  Message : Update to xserver 21.1.14. tested by tb@ The xkb security fix was committed earlier. This is the rest of the 21.1.14 update.

• xserver/hw/xnest/Cursor.c

• /*
  
  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.
  
  */
  
  #ifdef HAVE_XNEST_CONFIG_H
  #include <xnest-config.h>
  #endif
  
  #include <X11/X.h>
  #include <X11/Xproto.h>
  #include "screenint.h"
  #include "input.h"
  #include "misc.h"
  #include "cursor.h"
  #include "cursorstr.h"
  #include "scrnintstr.h"
  #include "servermd.h"
  #include "mipointrst.h"
  
  #include "Xnest.h"
  
  #include "Display.h"
  #include "Screen.h"
  #include "XNCursor.h"
  #include "Visual.h"
  #include "Keyboard.h"
  #include "Args.h"
  
  xnestCursorFuncRec xnestCursorFuncs = { NULL };
  
  Bool
  xnestRealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
  {
      XImage *ximage;
      Pixmap source, mask;
      XColor fg_color, bg_color;
      unsigned long valuemask;
      XGCValues values;
  
      valuemask = GCFunction |
          GCPlaneMask | GCForeground | GCBackground | GCClipMask;
  
      values.function = GXcopy;
      values.plane_mask = AllPlanes;
      values.foreground = 1L;
      values.background = 0L;
      values.clip_mask = None;
  
      XChangeGC(xnestDisplay, xnestBitmapGC, valuemask, &values);
  
      source = XCreatePixmap(xnestDisplay,
                             xnestDefaultWindows[pScreen->myNum],
                             pCursor->bits->width, pCursor->bits->height, 1);
  
      mask = XCreatePixmap(xnestDisplay,
                           xnestDefaultWindows[pScreen->myNum],
                           pCursor->bits->width, pCursor->bits->height, 1);
  
      ximage = XCreateImage(xnestDisplay,
                            xnestDefaultVisual(pScreen),
                            1, XYBitmap, 0,
                            (char *) pCursor->bits->source,
                            pCursor->bits->width,
                            pCursor->bits->height, BitmapPad(xnestDisplay), 0);
  
      XPutImage(xnestDisplay, source, xnestBitmapGC, ximage,
                0, 0, 0, 0, pCursor->bits->width, pCursor->bits->height);
  
      XFree(ximage);
  
      ximage = XCreateImage(xnestDisplay,
                            xnestDefaultVisual(pScreen),
                            1, XYBitmap, 0,
                            (char *) pCursor->bits->mask,
                            pCursor->bits->width,
                            pCursor->bits->height, BitmapPad(xnestDisplay), 0);
  
      XPutImage(xnestDisplay, mask, xnestBitmapGC, ximage,
                0, 0, 0, 0, pCursor->bits->width, pCursor->bits->height);
  
      XFree(ximage);
  
      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;
  
      xnestSetCursorPriv(pCursor, pScreen, calloc(1, sizeof(xnestPrivCursor)));
      xnestCursor(pCursor, pScreen) =
          XCreatePixmapCursor(xnestDisplay, source, mask, &fg_color, &bg_color,
                              pCursor->bits->xhot, pCursor->bits->yhot);
  
      XFreePixmap(xnestDisplay, source);
      XFreePixmap(xnestDisplay, mask);
  
      return True;
  }
  
  Bool
  xnestUnrealizeCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor)
  {
      XFreeCursor(xnestDisplay, xnestCursor(pCursor, pScreen));
      free(xnestGetCursorPriv(pCursor, pScreen));
      return True;
  }
  
  void
  xnestRecolorCursor(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(xnestDisplay,
                     xnestCursor(pCursor, pScreen), &fg_color, &bg_color);
  }
  
  void
  xnestSetCursor(DeviceIntPtr pDev, ScreenPtr pScreen, CursorPtr pCursor, int x,
                 int y)
  {
      if (pCursor) {
          XDefineCursor(xnestDisplay,
                        xnestDefaultWindows[pScreen->myNum],
                        xnestCursor(pCursor, pScreen));
      }
  }
  
  void
  xnestMoveCursor(DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
  {
  }
  
  Bool
  xnestDeviceCursorInitialize(DeviceIntPtr pDev, ScreenPtr pScreen)
  {
      xnestCursorFuncPtr pScreenPriv;
  
      pScreenPriv = (xnestCursorFuncPtr)
          dixLookupPrivate(&pScreen->devPrivates, xnestCursorScreenKey);
  
      return pScreenPriv->spriteFuncs->DeviceCursorInitialize(pDev, pScreen);
  }
  
  void
  xnestDeviceCursorCleanup(DeviceIntPtr pDev, ScreenPtr pScreen)
  {
      xnestCursorFuncPtr pScreenPriv;
  
      pScreenPriv = (xnestCursorFuncPtr)
          dixLookupPrivate(&pScreen->devPrivates, xnestCursorScreenKey);
  
      pScreenPriv->spriteFuncs->DeviceCursorCleanup(pDev, pScreen);
  }