diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winallpriv.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xwin/winallpriv.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xwin/winallpriv.c b/nx-X11/programs/Xserver/hw/xwin/winallpriv.c new file mode 100644 index 000000000..7b4814b9b --- /dev/null +++ b/nx-X11/programs/Xserver/hw/xwin/winallpriv.c @@ -0,0 +1,185 @@ +/* + *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. + * + *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, and to + *permit persons to whom the Software is furnished to do so, subject to + *the following conditions: + * + *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 THE XFREE86 PROJECT BE LIABLE FOR + *ANY CLAIM, 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 the XFree86 Project + *shall not be used in advertising or otherwise to promote the sale, use + *or other dealings in this Software without prior written authorization + *from the XFree86 Project. + * + * Authors: Keith Packard, MIT X Consortium + * Harold L Hunt II + */ +/* $XFree86: xc/programs/Xserver/hw/xwin/winallpriv.c,v 1.11 2002/10/17 08:18:21 alanh Exp $ */ + +#ifdef HAVE_XWIN_CONFIG_H +#include <xwin-config.h> +#endif +#include "win.h" + + +/* See Porting Layer Definition - p. 58 */ +/* + * Allocate indexes for the privates that we use. + * Allocate memory directly for the screen privates. + * Reserve space in GCs and Pixmaps for our privates. + * Colormap privates are handled in winAllocateCmapPrivates () + */ + +Bool +winAllocatePrivates (ScreenPtr pScreen) +{ + winPrivScreenPtr pScreenPriv; + +#if CYGDEBUG + winDebug ("winAllocateScreenPrivates - g_ulServerGeneration: %d " + "serverGeneration: %d\n", + g_ulServerGeneration, serverGeneration); +#endif + + /* We need a new slot for our privates if the screen gen has changed */ + if (g_ulServerGeneration != serverGeneration) + { + /* Get an index that we can store our privates at */ + g_iScreenPrivateIndex = AllocateScreenPrivateIndex (); + g_iGCPrivateIndex = AllocateGCPrivateIndex (); + g_iPixmapPrivateIndex = AllocatePixmapPrivateIndex (); + g_iWindowPrivateIndex = AllocateWindowPrivateIndex (); + + g_ulServerGeneration = serverGeneration; + } + + /* Allocate memory for the screen private structure */ + pScreenPriv = (winPrivScreenPtr) malloc (sizeof (winPrivScreenRec)); + if (!pScreenPriv) + { + ErrorF ("winAllocateScreenPrivates - malloc () failed\n"); + return FALSE; + } + + /* Initialize the memory of the private structure */ + ZeroMemory (pScreenPriv, sizeof (winPrivScreenRec)); + + /* Intialize private structure members */ + pScreenPriv->fActive = TRUE; + + /* Save the screen private pointer */ + winSetScreenPriv (pScreen, pScreenPriv); + + /* Reserve GC memory for our privates */ + if (!AllocateGCPrivate (pScreen, g_iGCPrivateIndex, + sizeof (winPrivGCRec))) + { + ErrorF ("winAllocatePrivates - AllocateGCPrivate () failed\n"); + return FALSE; + } + + /* Reserve Pixmap memory for our privates */ + if (!AllocatePixmapPrivate (pScreen, g_iPixmapPrivateIndex, + sizeof (winPrivPixmapRec))) + { + ErrorF ("winAllocatePrivates - AllocatePixmapPrivates () failed\n"); + return FALSE; + } + + /* Reserve Window memory for our privates */ + if (!AllocateWindowPrivate (pScreen, g_iWindowPrivateIndex, + sizeof (winPrivWinRec))) + { + ErrorF ("winAllocatePrivates () - AllocateWindowPrivates () failed\n"); + return FALSE; + } + + return TRUE; +} + + +/* + * Colormap privates may be allocated after the default colormap has + * already been created for some screens. This initialization procedure + * is called for each default colormap that is found. + */ + +Bool +winInitCmapPrivates (ColormapPtr pcmap, int index) +{ +#if CYGDEBUG + winDebug ("winInitCmapPrivates\n"); +#endif + + /* + * I see no way that this function can do anything useful + * with only a ColormapPtr. We don't have the index for + * our dev privates yet, so we can't really initialize + * anything. Perhaps I am misunderstanding the purpose + * of this function. + */ + /* That's definitely true. + * I therefore changed the API and added the index as argument. + */ + return TRUE; +} + + +/* + * Allocate memory for our colormap privates + */ + +Bool +winAllocateCmapPrivates (ColormapPtr pCmap) +{ + winPrivCmapPtr pCmapPriv; + static unsigned long s_ulPrivateGeneration = 0; + +#if CYGDEBUG + winDebug ("winAllocateCmapPrivates\n"); +#endif + + /* Get a new privates index when the server generation changes */ + if (s_ulPrivateGeneration != serverGeneration) + { + /* Get an index that we can store our privates at */ + g_iCmapPrivateIndex = AllocateColormapPrivateIndex (winInitCmapPrivates); + + /* Save the new server generation */ + s_ulPrivateGeneration = serverGeneration; + } + + /* Allocate memory for our private structure */ + pCmapPriv = (winPrivCmapPtr) malloc (sizeof (winPrivCmapRec)); + if (!pCmapPriv) + { + ErrorF ("winAllocateCmapPrivates - malloc () failed\n"); + return FALSE; + } + + /* Initialize the memory of the private structure */ + ZeroMemory (pCmapPriv, sizeof (winPrivCmapRec)); + + /* Save the cmap private pointer */ + winSetCmapPriv (pCmap, pCmapPriv); + +#if CYGDEBUG + winDebug ("winAllocateCmapPrivates - Returning\n"); +#endif + + return TRUE; +} |