| 1 | /* $Xorg: windowstr.h,v 1.4 2001/02/09 02:05:16 xorgcvs Exp $ */
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| 2 | /***********************************************************
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| 3 |
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| 4 | Copyright 1987, 1998 The Open Group
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| 5 |
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| 6 | Permission to use, copy, modify, distribute, and sell this software and its
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| 7 | documentation for any purpose is hereby granted without fee, provided that
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| 8 | the above copyright notice appear in all copies and that both that
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| 9 | copyright notice and this permission notice appear in supporting
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| 10 | documentation.
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| 11 |
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| 12 | The above copyright notice and this permission notice shall be included in
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| 13 | all copies or substantial portions of the Software.
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| 14 |
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| 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| 18 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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| 19 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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| 20 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 21 |
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| 22 | Except as contained in this notice, the name of The Open Group shall not be
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| 23 | used in advertising or otherwise to promote the sale, use or other dealings
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| 24 | in this Software without prior written authorization from The Open Group.
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| 25 |
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| 26 |
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| 27 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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| 28 |
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| 29 | All Rights Reserved
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| 30 |
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| 31 | Permission to use, copy, modify, and distribute this software and its
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| 32 | documentation for any purpose and without fee is hereby granted,
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| 33 | provided that the above copyright notice appear in all copies and that
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| 34 | both that copyright notice and this permission notice appear in
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| 35 | supporting documentation, and that the name of Digital not be
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| 36 | used in advertising or publicity pertaining to distribution of the
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| 37 | software without specific, written prior permission.
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| 38 |
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| 39 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 40 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 41 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 42 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 43 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 44 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 45 | SOFTWARE.
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| 46 |
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| 47 | ******************************************************************/
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| 48 | /* $XFree86: xc/programs/Xserver/include/windowstr.h,v 1.6 2001/12/14 19:59:57 dawes Exp $ */
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| 49 |
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| 50 | #ifndef WINDOWSTRUCT_H
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| 51 | #define WINDOWSTRUCT_H
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| 52 |
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| 53 | #include "window.h"
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| 54 | #include "pixmapstr.h"
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| 55 | #include "regionstr.h"
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| 56 | #include "cursor.h"
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| 57 | #include "property.h"
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| 58 | #include "resource.h" /* for ROOT_WINDOW_ID_BASE */
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| 59 | #include "dix.h"
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| 60 | #include "miscstruct.h"
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| 61 | #include "X11/Xprotostr.h"
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| 62 | #include "opaque.h"
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| 63 |
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| 64 | #define GuaranteeNothing 0
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| 65 | #define GuaranteeVisBack 1
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| 66 |
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| 67 | #define SameBackground(as, a, bs, b) \
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| 68 | ((as) == (bs) && ((as) == None || \
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| 69 | (as) == ParentRelative || \
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| 70 | SamePixUnion(a,b,as == BackgroundPixel)))
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| 71 |
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| 72 | #define SameBorder(as, a, bs, b) \
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| 73 | EqualPixUnion(as, a, bs, b)
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| 74 |
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| 75 | typedef struct _WindowOpt {
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| 76 | VisualID visual; /* default: same as parent */
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| 77 | CursorPtr cursor; /* default: window.cursorNone */
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| 78 | Colormap colormap; /* default: same as parent */
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| 79 | Mask dontPropagateMask; /* default: window.dontPropagate */
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| 80 | Mask otherEventMasks; /* default: 0 */
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| 81 | struct _OtherClients *otherClients; /* default: NULL */
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| 82 | struct _GrabRec *passiveGrabs; /* default: NULL */
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| 83 | PropertyPtr userProps; /* default: NULL */
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| 84 | unsigned long backingBitPlanes; /* default: ~0L */
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| 85 | unsigned long backingPixel; /* default: 0 */
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| 86 | #ifdef SHAPE
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| 87 | RegionPtr boundingShape; /* default: NULL */
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| 88 | RegionPtr clipShape; /* default: NULL */
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| 89 | #endif
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| 90 | #ifdef XINPUT
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| 91 | struct _OtherInputMasks *inputMasks; /* default: NULL */
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| 92 | #endif
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| 93 | } WindowOptRec, *WindowOptPtr;
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| 94 |
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| 95 | #define BackgroundPixel 2L
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| 96 | #define BackgroundPixmap 3L
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| 97 |
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| 98 | typedef struct _Window {
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| 99 | DrawableRec drawable;
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| 100 | WindowPtr parent; /* ancestor chain */
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| 101 | WindowPtr nextSib; /* next lower sibling */
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| 102 | WindowPtr prevSib; /* next higher sibling */
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| 103 | WindowPtr firstChild; /* top-most child */
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| 104 | WindowPtr lastChild; /* bottom-most child */
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| 105 | RegionRec clipList; /* clipping rectangle for output */
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| 106 | RegionRec borderClip; /* NotClippedByChildren + border */
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| 107 | union _Validate *valdata;
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| 108 | RegionRec winSize;
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| 109 | RegionRec borderSize;
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| 110 | DDXPointRec origin; /* position relative to parent */
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| 111 | unsigned short borderWidth;
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| 112 | unsigned short deliverableEvents;
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| 113 | Mask eventMask;
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| 114 | PixUnion background;
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| 115 | PixUnion border;
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| 116 | pointer backStorage; /* null when BS disabled */
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| 117 | WindowOptPtr optional;
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| 118 | unsigned backgroundState:2; /* None, Relative, Pixel, Pixmap */
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| 119 | unsigned borderIsPixel:1;
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| 120 | unsigned cursorIsNone:1; /* else real cursor (might inherit) */
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| 121 | unsigned backingStore:2;
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| 122 | unsigned saveUnder:1;
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| 123 | unsigned DIXsaveUnder:1;
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| 124 | unsigned bitGravity:4;
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| 125 | unsigned winGravity:4;
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| 126 | unsigned overrideRedirect:1;
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| 127 | unsigned visibility:2;
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| 128 | unsigned mapped:1;
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| 129 | unsigned realized:1; /* ancestors are all mapped */
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| 130 | unsigned viewable:1; /* realized && InputOutput */
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| 131 | unsigned dontPropagate:3;/* index into DontPropagateMasks */
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| 132 | unsigned forcedBS:1; /* system-supplied backingStore */
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| 133 | #ifdef NEED_DBE_BUF_BITS
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| 134 | #define DBE_FRONT_BUFFER 1
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| 135 | #define DBE_BACK_BUFFER 0
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| 136 | unsigned dstBuffer:1; /* destination buffer for rendering */
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| 137 | unsigned srcBuffer:1; /* source buffer for rendering */
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| 138 | #endif
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| 139 | DevUnion *devPrivates;
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| 140 | } WindowRec;
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| 141 |
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| 142 | /*
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| 143 | * Ok, a bunch of macros for accessing the optional record
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| 144 | * fields (or filling the appropriate default value)
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| 145 | */
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| 146 |
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| 147 | extern Mask DontPropagateMasks[];
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| 148 |
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| 149 | #define wTrackParent(w,field) ((w)->optional ? \
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| 150 | (w)->optional->field \
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| 151 | : FindWindowWithOptional(w)->optional->field)
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| 152 | #define wUseDefault(w,field,def) ((w)->optional ? \
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| 153 | (w)->optional->field \
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| 154 | : def)
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| 155 |
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| 156 | #define wVisual(w) wTrackParent(w, visual)
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| 157 | #define wCursor(w) ((w)->cursorIsNone ? None : wTrackParent(w, cursor))
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| 158 | #define wColormap(w) ((w)->drawable.class == InputOnly ? None : wTrackParent(w, colormap))
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| 159 | #define wDontPropagateMask(w) wUseDefault(w, dontPropagateMask, DontPropagateMasks[(w)->dontPropagate])
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| 160 | #define wOtherEventMasks(w) wUseDefault(w, otherEventMasks, 0)
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| 161 | #define wOtherClients(w) wUseDefault(w, otherClients, NULL)
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| 162 | #ifdef XINPUT
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| 163 | #define wOtherInputMasks(w) wUseDefault(w, inputMasks, NULL)
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| 164 | #else
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| 165 | #define wOtherInputMasks(w) NULL
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| 166 | #endif
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| 167 | #define wPassiveGrabs(w) wUseDefault(w, passiveGrabs, NULL)
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| 168 | #define wUserProps(w) wUseDefault(w, userProps, NULL)
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| 169 | #define wBackingBitPlanes(w) wUseDefault(w, backingBitPlanes, ~0L)
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| 170 | #define wBackingPixel(w) wUseDefault(w, backingPixel, 0)
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| 171 | #ifdef SHAPE
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| 172 | #define wBoundingShape(w) wUseDefault(w, boundingShape, NULL)
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| 173 | #define wClipShape(w) wUseDefault(w, clipShape, NULL)
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| 174 | #endif
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| 175 | #define wClient(w) (clients[CLIENT_ID((w)->drawable.id)])
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| 176 | #define wBorderWidth(w) ((int) (w)->borderWidth)
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| 177 |
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| 178 | /* true when w needs a border drawn. */
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| 179 |
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| 180 | #ifdef SHAPE
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| 181 | #define HasBorder(w) ((w)->borderWidth || wClipShape(w))
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| 182 | #else
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| 183 | #define HasBorder(w) ((w)->borderWidth)
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| 184 | #endif
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| 185 |
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| 186 | typedef struct _ScreenSaverStuff {
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| 187 | WindowPtr pWindow;
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| 188 | XID wid;
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| 189 | char blanked;
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| 190 | Bool (*ExternalScreenSaver)(
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| 191 | #if NeedNestedPrototypes
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| 192 | ScreenPtr /*pScreen*/,
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| 193 | int /*xstate*/,
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| 194 | Bool /*force*/
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| 195 | #endif
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| 196 | );
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| 197 | } ScreenSaverStuffRec, *ScreenSaverStuffPtr;
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| 198 |
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| 199 | #define SCREEN_IS_BLANKED 0
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| 200 | #define SCREEN_ISNT_SAVED 1
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| 201 | #define SCREEN_IS_TILED 2
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| 202 | #define SCREEN_IS_BLACK 3
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| 203 |
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| 204 | #define HasSaverWindow(i) (savedScreenInfo[i].pWindow != NullWindow)
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| 205 |
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| 206 | extern int screenIsSaved;
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| 207 | extern ScreenSaverStuffRec savedScreenInfo[MAXSCREENS];
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| 208 |
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| 209 | /*
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| 210 | * this is the configuration parameter "NO_BACK_SAVE"
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| 211 | * it means that any existant backing store should not
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| 212 | * be used to implement save unders.
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| 213 | */
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| 214 |
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| 215 | #ifndef NO_BACK_SAVE
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| 216 | #define DO_SAVE_UNDERS(pWin) ((pWin)->drawable.pScreen->saveUnderSupport ==\
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| 217 | USE_DIX_SAVE_UNDERS)
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| 218 | /*
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| 219 | * saveUnderSupport is set to this magic value when using DIXsaveUnders
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| 220 | */
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| 221 |
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| 222 | #define USE_DIX_SAVE_UNDERS 0x40
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| 223 | #endif
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| 224 |
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| 225 | extern int numSaveUndersViewable;
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| 226 | extern int deltaSaveUndersViewable;
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| 227 |
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| 228 | #endif /* WINDOWSTRUCT_H */
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