hw/dmx/dmxwindow.h

   1 /*
   2  * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation on the rights to use, copy, modify, merge,
  10  * publish, distribute, sublicense, and/or sell copies of the Software,
  11  * and to permit persons to whom the Software is furnished to do so,
  12  * subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NON-INFRINGEMENT.  IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
  22  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  23  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27
  28 /*
  29  * Authors:
  30  *   Kevin E. Martin <kem@redhat.com>
  31  *
  32  */
  33
  34 /** \file
  35  * Interface for window support.  \see dmxwindow.c */
  36
  37 #ifndef DMXWINDOW_H
  38 #define DMXWINDOW_H
  39
  40 #include "windowstr.h"
  41
  42 /** Window private area. */
  43 typedef struct _dmxWinPriv {
  44     Window window;
  45     Bool offscreen;
  46     Bool mapped;
  47     Bool restacked;
  48     unsigned long attribMask;
  49     Colormap cmap;
  50     Visual *visual;
  51     Bool isShaped;
  52     Bool hasPict;
  53 #ifdef GLXEXT
  54     void *swapGroup;
  55     int barrier;
  56     void (*windowDestroyed) (WindowPtr);
  57     void (*windowUnmapped) (WindowPtr);
  58 #endif
  59 } dmxWinPrivRec, *dmxWinPrivPtr;
  60
  61 extern Bool dmxInitWindow(ScreenPtr pScreen);
  62
  63 extern Window dmxCreateRootWindow(WindowPtr pWindow);
  64
  65 extern void dmxGetDefaultWindowAttributes(WindowPtr pWindow,
  66                                           Colormap * cmap, Visual ** visual);
  67 extern void dmxCreateAndRealizeWindow(WindowPtr pWindow, Bool doSync);
  68
  69 extern Bool dmxCreateWindow(WindowPtr pWindow);
  70 extern Bool dmxDestroyWindow(WindowPtr pWindow);
  71 extern Bool dmxPositionWindow(WindowPtr pWindow, int x, int y);
  72 extern Bool dmxChangeWindowAttributes(WindowPtr pWindow, unsigned long mask);
  73 extern Bool dmxRealizeWindow(WindowPtr pWindow);
  74 extern Bool dmxUnrealizeWindow(WindowPtr pWindow);
  75 extern void dmxRestackWindow(WindowPtr pWindow, WindowPtr pOldNextSib);
  76 extern void dmxWindowExposures(WindowPtr pWindow, RegionPtr prgn,
  77                                RegionPtr other_exposed);
  78 extern void dmxCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg,
  79                           RegionPtr prgnSrc);
  80
  81 extern void dmxResizeWindow(WindowPtr pWindow, int x, int y,
  82                             unsigned int w, unsigned int h, WindowPtr pSib);
  83 extern void dmxReparentWindow(WindowPtr pWindow, WindowPtr pPriorParent);
  84
  85 extern void dmxChangeBorderWidth(WindowPtr pWindow, unsigned int width);
  86
  87 extern void dmxResizeScreenWindow(ScreenPtr pScreen,
  88                                   int x, int y, int w, int h);
  89 extern void dmxResizeRootWindow(WindowPtr pRoot, int x, int y, int w, int h);
  90
  91 extern Bool dmxBEDestroyWindow(WindowPtr pWindow);
  92
  93 /* Support for shape extension */
  94 extern void dmxSetShape(WindowPtr pWindow, int kind);
  95
  96 /** Get window private pointer. */
  97 #define DMX_GET_WINDOW_PRIV(_pWin) ((dmxWinPrivPtr) \
  98     dixLookupPrivate(&(_pWin)->devPrivates, dmxWinPrivateKey))
  99
 100 /* All of these macros are only used in dmxwindow.c */
 101 #define DMX_WINDOW_FUNC_PROLOGUE(_pGC)                                  \
 102 do {                                                                    \
 103     dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);                       \
 104     DMX_UNWRAP(funcs, pGCPriv, (_pGC));                                 \
 105     if (pGCPriv->ops)                                                   \
 106         DMX_UNWRAP(ops, pGCPriv, (_pGC));                               \
 107 } while (0)
 108
 109 #define DMX_WINDOW_FUNC_EPILOGUE(_pGC)                                  \
 110 do {                                                                    \
 111     dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);                       \
 112     DMX_WRAP(funcs, &dmxGCFuncs, pGCPriv, (_pGC));                      \
 113     if (pGCPriv->ops)                                                   \
 114         DMX_WRAP(ops, &dmxGCOps, pGCPriv, (_pGC));                      \
 115 } while (0)
 116
 117 #define DMX_WINDOW_X1(_pWin)                                            \
 118     ((_pWin)->drawable.x - wBorderWidth(_pWin))
 119 #define DMX_WINDOW_Y1(_pWin)                                            \
 120     ((_pWin)->drawable.y - wBorderWidth(_pWin))
 121 #define DMX_WINDOW_X2(_pWin)                                            \
 122     ((_pWin)->drawable.x + wBorderWidth(_pWin) + (_pWin)->drawable.width)
 123 #define DMX_WINDOW_Y2(_pWin)                                            \
 124     ((_pWin)->drawable.y + wBorderWidth(_pWin) + (_pWin)->drawable.height)
 125
 126 #define DMX_WINDOW_OFFSCREEN(_pWin)                                     \
 127     (DMX_WINDOW_X1(_pWin) >= (_pWin)->drawable.pScreen->width  ||       \
 128      DMX_WINDOW_Y1(_pWin) >= (_pWin)->drawable.pScreen->height ||       \
 129      DMX_WINDOW_X2(_pWin) <= 0                                 ||       \
 130      DMX_WINDOW_Y2(_pWin) <= 0)
 131
 132 #endif                          /* DMXWINDOW_H */