1 /*
2  * Copyright 2003-2004 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  * Author:
30  *   Rickard E. (Rik) Faith <faith@redhat.com>
31  *   Kevin E. Martin <kem@redhat.com>
32  *
33  */
34 
35 /** \file
36  * Interface for DMX extension support.  These routines are called by
37  * function in Xserver/Xext/dmx.c.  \see dmxextension.c */
38 
39 #ifndef _DMXEXTENSION_H_
40 #define _DMXEXTENSION_H_
41 
42 /** Screen attributes.  Used by #ProcDMXGetScreenAttributes and
43  * \a ProcDMXChangeScreensAttributes. */
44 typedef struct {
45     const char *displayName;
46     int logicalScreen;
47 
48     unsigned int screenWindowWidth;     /* displayName's coordinate system */
49     unsigned int screenWindowHeight;    /* displayName's coordinate system */
50     int screenWindowXoffset;    /* displayName's coordinate system */
51     int screenWindowYoffset;    /* displayName's coordinate system */
52 
53     unsigned int rootWindowWidth;       /* screenWindow's coordinate system */
54     unsigned int rootWindowHeight;      /* screenWindow's coordinate system */
55     int rootWindowXoffset;      /* screenWindow's coordinate system */
56     int rootWindowYoffset;      /* screenWindow's coordinate system */
57 
58     int rootWindowXorigin;      /* global coordinate system */
59     int rootWindowYorigin;      /* global coordinate system */
60 } DMXScreenAttributesRec, *DMXScreenAttributesPtr;
61 
62 /** Window attributes.  Used by #ProcDMXGetWindowAttributes. */
63 typedef struct {
64     int screen;
65     Window window;
66     xRectangle pos;
67     xRectangle vis;
68 } DMXWindowAttributesRec, *DMXWindowAttributesPtr;
69 
70 /** Desktop attributes.  Used by #ProcDMXGetDesktopAttributes and
71  * #ProcDMXChangeDesktopAttributes. */
72 typedef struct {
73     int width;
74     int height;
75     int shiftX;
76     int shiftY;
77 } DMXDesktopAttributesRec, *DMXDesktopAttributesPtr;
78 
79 /** Input attributes.  Used by #ProcDMXGetInputAttributes. */
80 typedef struct {
81     const char *name;
82     int inputType;
83     int physicalScreen;
84     int physicalId;
85     int isCore;
86     int sendsCore;
87     int detached;
88 } DMXInputAttributesRec, *DMXInputAttributesPtr;
89 
90 extern unsigned long dmxGetNumScreens(void);
91 extern void dmxForceWindowCreation(WindowPtr pWindow);
92 extern void dmxFlushPendingSyncs(void);
93 extern Bool dmxGetScreenAttributes(int physical, DMXScreenAttributesPtr attr);
94 extern Bool dmxGetWindowAttributes(WindowPtr pWindow,
95                                    DMXWindowAttributesPtr attr);
96 extern void dmxGetDesktopAttributes(DMXDesktopAttributesPtr attr);
97 extern int dmxGetInputCount(void);
98 extern int dmxGetInputAttributes(int deviceId, DMXInputAttributesPtr attr);
99 extern int dmxAddInput(DMXInputAttributesPtr attr, int *deviceId);
100 extern int dmxRemoveInput(int deviceId);
101 
102 extern int dmxConfigureScreenWindows(int nscreens,
103                                      CARD32 *screens,
104                                      DMXScreenAttributesPtr attribs,
105                                      int *errorScreen);
106 
107 extern int dmxConfigureDesktop(DMXDesktopAttributesPtr attribs);
108 
109 /* dmxUpdateScreenResources exposed for dmxCreateWindow in dmxwindow.c */
110 extern void dmxUpdateScreenResources(ScreenPtr pScreen,
111                                      int x, int y, int w, int h);
112 
113 extern int dmxAttachScreen(int idx, DMXScreenAttributesPtr attr);
114 extern int dmxDetachScreen(int idx);
115 #endif
116