InitInput.c revision 4642e01f 
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#include "dixstruct.h"
34
35
36/*
37 * Local function prototypes
38 */
39
40#ifdef XWIN_CLIPBOARD
41DISPATCH_PROC(winProcEstablishConnection);
42DISPATCH_PROC(winProcQueryTree);
43DISPATCH_PROC(winProcSetSelectionOwner);
44#endif
45
46
47/*
48 * Local global declarations
49 */
50
51CARD32				g_c32LastInputEventTime = 0;
52
53
54/*
55 * References to external symbols
56 */
57
58#ifdef HAS_DEVWINDOWS
59extern int			g_fdMessageQueue;
60#endif
61extern Bool			g_fXdmcpEnabled;
62#ifdef XWIN_CLIPBOARD
63extern winDispatchProcPtr	winProcEstablishConnectionOrig;
64extern winDispatchProcPtr	winProcQueryTreeOrig;
65#endif
66
67
68/* Called from dix/devices.c */
69/*
70 * All of our keys generate up and down transition notifications,
71 * so all of our keys can be used as modifiers.
72 *
73 * An example of a modifier is mapping the A key to the Control key.
74 * A has to be a legal modifier.  I think.
75 */
76
77Bool
78LegalModifier (unsigned int uiKey, DeviceIntPtr pDevice)
79{
80  return TRUE;
81}
82
83
84/* Called from dix/dispatch.c */
85/*
86 * Run through the Windows message queue(s) one more time.
87 * Tell mi to dequeue the events that we have sent it.
88 */
89void
90ProcessInputEvents (void)
91{
92#if 0
93  ErrorF ("ProcessInputEvents\n");
94#endif
95
96  mieqProcessInputEvents ();
97  miPointerUpdate ();
98
99#if 0
100  ErrorF ("ProcessInputEvents - returning\n");
101#endif
102}
103
104
105int
106TimeSinceLastInputEvent ()
107{
108  if (g_c32LastInputEventTime == 0)
109    g_c32LastInputEventTime = GetTickCount ();
110  return GetTickCount () - g_c32LastInputEventTime;
111}
112
113
114/* See Porting Layer Definition - p. 17 */
115void
116InitInput (int argc, char *argv[])
117{
118  DeviceIntPtr		pMouse, pKeyboard;
119
120#if CYGDEBUG
121  winDebug ("InitInput\n");
122#endif
123
124#ifdef XWIN_CLIPBOARD
125  /*
126   * Wrap some functions at every generation of the server.
127   */
128  if (InitialVector[2] != winProcEstablishConnection)
129    {
130      winProcEstablishConnectionOrig = InitialVector[2];
131      InitialVector[2] = winProcEstablishConnection;
132    }
133  if (g_fXdmcpEnabled
134      && ProcVector[X_QueryTree] != winProcQueryTree)
135    {
136      winProcQueryTreeOrig = ProcVector[X_QueryTree];
137      ProcVector[X_QueryTree] = winProcQueryTree;
138    }
139#endif
140
141  pMouse = AddInputDevice (winMouseProc, TRUE);
142  pKeyboard = AddInputDevice (winKeybdProc, TRUE);
143
144  RegisterPointerDevice (pMouse);
145  RegisterKeyboardDevice (pKeyboard);
146
147  miRegisterPointerDevice (screenInfo.screens[0], pMouse);
148  mieqInit ((DevicePtr)pKeyboard, (DevicePtr)pMouse);
149
150  /* Initialize the mode key states */
151  winInitializeModeKeyStates ();
152
153#ifdef HAS_DEVWINDOWS
154  /* Only open the windows message queue device once */
155  if (g_fdMessageQueue == WIN_FD_INVALID)
156    {
157      /* Open a file descriptor for the Windows message queue */
158      g_fdMessageQueue = open (WIN_MSG_QUEUE_FNAME, O_RDONLY);
159
160      if (g_fdMessageQueue == -1)
161	{
162	  FatalError ("InitInput - Failed opening %s\n",
163		      WIN_MSG_QUEUE_FNAME);
164	}
165
166      /* Add the message queue as a device to wait for in WaitForSomething */
167      AddEnabledDevice (g_fdMessageQueue);
168    }
169#endif
170
171#if CYGDEBUG
172  winDebug ("InitInput - returning\n");
173#endif
174}
175