xref: /OK3568_Linux_fs/external/xserver/hw/xwin/InitInput.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
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 #include "inputstr.h"
35 
36 /*
37  * Local function prototypes
38  */
39 
40 int winProcEstablishConnection(ClientPtr /* client */ );
41 
42 /*
43  * Local global declarations
44  */
45 
46 DeviceIntPtr g_pwinPointer;
47 DeviceIntPtr g_pwinKeyboard;
48 
49 /* Called from dix/devices.c */
50 /*
51  * All of our keys generate up and down transition notifications,
52  * so all of our keys can be used as modifiers.
53  *
54  * An example of a modifier is mapping the A key to the Control key.
55  * A has to be a legal modifier.  I think.
56  */
57 
58 Bool
LegalModifier(unsigned int uiKey,DeviceIntPtr pDevice)59 LegalModifier(unsigned int uiKey, DeviceIntPtr pDevice)
60 {
61     return TRUE;
62 }
63 
64 /* Called from dix/dispatch.c */
65 /*
66  * Run through the Windows message queue(s) one more time.
67  * Tell mi to dequeue the events that we have sent it.
68  */
69 void
ProcessInputEvents(void)70 ProcessInputEvents(void)
71 {
72 #if 0
73     ErrorF("ProcessInputEvents\n");
74 #endif
75 
76     mieqProcessInputEvents();
77 
78 #if 0
79     ErrorF("ProcessInputEvents - returning\n");
80 #endif
81 }
82 
83 void
DDXRingBell(int volume,int pitch,int duration)84 DDXRingBell(int volume, int pitch, int duration)
85 {
86     /* winKeybdBell is used instead */
87     return;
88 }
89 
90 
91 #ifdef HAS_DEVWINDOWS
92 static void
xwinDevWindowsHandlerNotify(int fd,int ready,void * data)93 xwinDevWindowsHandlerNotify(int fd, int ready, void *data)
94 {
95     /* This should process Windows messages, but instead all of that is delayed
96      * until the wakeup handler is called.
97      */
98     ;
99 }
100 #endif
101 
102 /* See Porting Layer Definition - p. 17 */
103 void
InitInput(int argc,char * argv[])104 InitInput(int argc, char *argv[])
105 {
106 #if CYGDEBUG
107     winDebug("InitInput\n");
108 #endif
109 
110     /*
111      * Wrap some functions at every generation of the server.
112      */
113     if (InitialVector[2] != winProcEstablishConnection) {
114         winProcEstablishConnectionOrig = InitialVector[2];
115         InitialVector[2] = winProcEstablishConnection;
116     }
117 
118     if (AllocDevicePair(serverClient, "Windows",
119                         &g_pwinPointer, &g_pwinKeyboard,
120                         winMouseProc, winKeybdProc,
121                         FALSE) != Success)
122         FatalError("InitInput - Failed to allocate slave devices.\n");
123 
124     mieqInit();
125 
126     /* Initialize the mode key states */
127     winInitializeModeKeyStates();
128 
129 #ifdef HAS_DEVWINDOWS
130     /* Only open the windows message queue device once */
131     if (g_fdMessageQueue == WIN_FD_INVALID) {
132         /* Open a file descriptor for the Windows message queue */
133         g_fdMessageQueue = open(WIN_MSG_QUEUE_FNAME, O_RDONLY);
134 
135         if (g_fdMessageQueue == -1) {
136             FatalError("InitInput - Failed opening %s\n", WIN_MSG_QUEUE_FNAME);
137         }
138 
139         /* Add the message queue as a device to wait for in WaitForSomething */
140         SetNotifyFd(g_fdMessageQueue, xwinDevWindowsHandlerNotify, X_NOTIFY_READ, NULL);
141     }
142 #endif
143 
144 #if CYGDEBUG
145     winDebug("InitInput - returning\n");
146 #endif
147 }
148 
149 void
CloseInput(void)150 CloseInput(void)
151 {
152     mieqFini();
153 }
154