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 extern void dmxCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg,
78                           RegionPtr prgnSrc);
79 
80 extern void dmxResizeWindow(WindowPtr pWindow, int x, int y,
81                             unsigned int w, unsigned int h, WindowPtr pSib);
82 extern void dmxReparentWindow(WindowPtr pWindow, WindowPtr pPriorParent);
83 
84 extern void dmxChangeBorderWidth(WindowPtr pWindow, unsigned int width);
85 
86 extern void dmxResizeScreenWindow(ScreenPtr pScreen,
87                                   int x, int y, int w, int h);
88 extern void dmxResizeRootWindow(WindowPtr pRoot, int x, int y, int w, int h);
89 
90 extern Bool dmxBEDestroyWindow(WindowPtr pWindow);
91 
92 /* Support for shape extension */
93 extern void dmxSetShape(WindowPtr pWindow, int kind);
94 
95 /** Get window private pointer. */
96 #define DMX_GET_WINDOW_PRIV(_pWin) ((dmxWinPrivPtr) \
97     dixLookupPrivate(&(_pWin)->devPrivates, dmxWinPrivateKey))
98 
99 /* All of these macros are only used in dmxwindow.c */
100 #define DMX_WINDOW_FUNC_PROLOGUE(_pGC)					\
101 do {									\
102     dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
103     DMX_UNWRAP(funcs, pGCPriv, (_pGC));					\
104     if (pGCPriv->ops)							\
105 	DMX_UNWRAP(ops, pGCPriv, (_pGC));				\
106 } while (0)
107 
108 #define DMX_WINDOW_FUNC_EPILOGUE(_pGC)					\
109 do {									\
110     dmxGCPrivPtr pGCPriv = DMX_GET_GC_PRIV(_pGC);			\
111     DMX_WRAP(funcs, &dmxGCFuncs, pGCPriv, (_pGC));			\
112     if (pGCPriv->ops)							\
113 	DMX_WRAP(ops, &dmxGCOps, pGCPriv, (_pGC));			\
114 } while (0)
115 
116 #define DMX_WINDOW_X1(_pWin)						\
117     ((_pWin)->drawable.x - wBorderWidth(_pWin))
118 #define DMX_WINDOW_Y1(_pWin)						\
119     ((_pWin)->drawable.y - wBorderWidth(_pWin))
120 #define DMX_WINDOW_X2(_pWin)						\
121     ((_pWin)->drawable.x + wBorderWidth(_pWin) + (_pWin)->drawable.width)
122 #define DMX_WINDOW_Y2(_pWin)						\
123     ((_pWin)->drawable.y + wBorderWidth(_pWin) + (_pWin)->drawable.height)
124 
125 #define DMX_WINDOW_OFFSCREEN(_pWin)					\
126     (DMX_WINDOW_X1(_pWin) >= (_pWin)->drawable.pScreen->width  ||	\
127      DMX_WINDOW_Y1(_pWin) >= (_pWin)->drawable.pScreen->height ||	\
128      DMX_WINDOW_X2(_pWin) <= 0                                 ||	\
129      DMX_WINDOW_Y2(_pWin) <= 0)
130 
131 #endif                          /* DMXWINDOW_H */
132