InitInput.c revision 05b261ec 
1/*
2
3  Copyright 1993, 1998  The Open Group
4
5  Permission to use, copy, modify, distribute, and sell this software and its
6  documentation for any purpose is hereby granted without fee, provided that
7  the above copyright notice appear in all copies and that both that
8  copyright notice and this permission notice appear in supporting
9  documentation.
10
11  The above copyright notice and this permission notice shall be included
12  in all copies or substantial portions of the Software.
13
14  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
17  IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  OTHER DEALINGS IN THE SOFTWARE.
21
22  Except as contained in this notice, the name of The Open Group shall
23  not be used in advertising or otherwise to promote the sale, use or
24  other dealings in this Software without prior written authorization
25  from The Open Group.
26
27*/
28
29#ifdef HAVE_XWIN_CONFIG_H
30#include <xwin-config.h>
31#endif
32#include "win.h"
33#ifdef XWIN_CLIPBOARD
34# include "../../Xext/xf86miscproc.h"
35#endif
36#include "dixstruct.h"
37
38
39/*
40 * Local function prototypes
41 */
42
43#ifdef XWIN_CLIPBOARD
44DISPATCH_PROC(winProcEstablishConnection);
45DISPATCH_PROC(winProcQueryTree);
46DISPATCH_PROC(winProcSetSelectionOwner);
47#endif
48
49
50/*
51 * Local global declarations
52 */
53
54CARD32				g_c32LastInputEventTime = 0;
55
56
57/*
58 * References to external symbols
59 */
60
61#ifdef HAS_DEVWINDOWS
62extern int			g_fdMessageQueue;
63#endif
64extern Bool			g_fXdmcpEnabled;
65#ifdef XWIN_CLIPBOARD
66extern winDispatchProcPtr	winProcEstablishConnectionOrig;
67extern winDispatchProcPtr	winProcQueryTreeOrig;
68#endif
69
70
71/* Called from dix/devices.c */
72/*
73 * All of our keys generate up and down transition notifications,
74 * so all of our keys can be used as modifiers.
75 *
76 * An example of a modifier is mapping the A key to the Control key.
77 * A has to be a legal modifier.  I think.
78 */
79
80Bool
81LegalModifier (unsigned int uiKey, DeviceIntPtr pDevice)
82{
83  return TRUE;
84}
85
86
87/* Called from dix/dispatch.c */
88/*
89 * Run through the Windows message queue(s) one more time.
90 * Tell mi to dequeue the events that we have sent it.
91 */
92void
93ProcessInputEvents (void)
94{
95#if 0
96  ErrorF ("ProcessInputEvents\n");
97#endif
98
99  mieqProcessInputEvents ();
100  miPointerUpdate ();
101
102#if 0
103  ErrorF ("ProcessInputEvents - returning\n");
104#endif
105}
106
107
108int
109TimeSinceLastInputEvent ()
110{
111  if (g_c32LastInputEventTime == 0)
112    g_c32LastInputEventTime = GetTickCount ();
113  return GetTickCount () - g_c32LastInputEventTime;
114}
115
116
117/* See Porting Layer Definition - p. 17 */
118void
119InitInput (int argc, char *argv[])
120{
121  DeviceIntPtr		pMouse, pKeyboard;
122
123#if CYGDEBUG
124  winDebug ("InitInput\n");
125#endif
126
127#ifdef XWIN_CLIPBOARD
128  /*
129   * Wrap some functions at every generation of the server.
130   */
131  if (InitialVector[2] != winProcEstablishConnection)
132    {
133      winProcEstablishConnectionOrig = InitialVector[2];
134      InitialVector[2] = winProcEstablishConnection;
135    }
136  if (g_fXdmcpEnabled
137      && ProcVector[X_QueryTree] != winProcQueryTree)
138    {
139      winProcQueryTreeOrig = ProcVector[X_QueryTree];
140      ProcVector[X_QueryTree] = winProcQueryTree;
141    }
142#endif
143
144  pMouse = AddInputDevice (winMouseProc, TRUE);
145  pKeyboard = AddInputDevice (winKeybdProc, TRUE);
146
147  RegisterPointerDevice (pMouse);
148  RegisterKeyboardDevice (pKeyboard);
149
150  miRegisterPointerDevice (screenInfo.screens[0], pMouse);
151  mieqInit ((DevicePtr)pKeyboard, (DevicePtr)pMouse);
152
153  /* Initialize the mode key states */
154  winInitializeModeKeyStates ();
155
156#ifdef HAS_DEVWINDOWS
157  /* Only open the windows message queue device once */
158  if (g_fdMessageQueue == WIN_FD_INVALID)
159    {
160      /* Open a file descriptor for the Windows message queue */
161      g_fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, O_RDONLY);
162
163      if (g_fdMessageQueue == -1)
164	{
165	  FatalError ("InitInput - Failed opening %s\n",
166		      WIN_MSG_QUEUE_FNAME);
167	}
168
169      /* Add the message queue as a device to wait for in WaitForSomething */
170      AddEnabledDevice (g_fdMessageQueue);
171    }
172#endif
173
174#if CYGDEBUG
175  winDebug ("InitInput - returning\n");
176#endif
177}
178