source: trunk/src/kernel32/console/vio32Dll.cpp@ 5024

Last change on this file since 5024 was 5024, checked in by sandervl, 25 years ago

added preliminary console code
File size: 10.4 KB
Line 
1#define INCL_WIN
2#define INCL_DOS
3#define INCL_VIO
4#define INCL_SUB
5#define INCL_DOSERRORS
6#define INCL_WINSWITCHLIST
7#include <os2.h>
8#include "DosQuerySysState2.h"
9#include <stdio.h>
10#include <stdlib.h>
11
12#include "vio32Private.h"
13#include "vio32Utils.h"
14#include "vio32SharedData.h"
15#include "vio32Client.h"
16
17
18APIRET EXPENTRY vio32Open(){
19 return kbd32ClientInstance.Open();
20}
21
22APIRET EXPENTRY vio32Close(){
23 return kbd32ClientInstance.Close();
24}
25
26APIRET EXPENTRY kbd32GetKey(KBD32KEYINFO *key,ULONG msecTimeout){
27 return kbd32ClientInstance.GetKeyStroke(key,msecTimeout);
28}
29
30APIRET EXPENTRY vio32GetMouse(VIO32MOUINFO *mou,ULONG msecTimeout){
31 return kbd32ClientInstance.GetMouse(mou,msecTimeout);
32}
33
34APIRET EXPENTRY vio32GetEvent(VIO32EVENTINFO *event,ULONG *eventType,ULONG msecTimeout){
35 return kbd32ClientInstance.GetEvent(event,eventType,msecTimeout);
36}
37
38APIRET EXPENTRY vio32PeekEvent(VIO32EVENTINFO *event,ULONG *eventType,ULONG position){
39 return kbd32ClientInstance.PeekEvent(event,eventType,position);
40}
41
42APIRET EXPENTRY vio32FlushEventQ(){
43 return kbd32ClientInstance.FlushEventQ();
44}
45
46APIRET EXPENTRY vio32GetEventQSize(ULONG *size,ULONG msecTimeout){
47 return kbd32ClientInstance.GetEventQSize(size,msecTimeout);
48}
49
50APIRET EXPENTRY vio32WriteEvent(VIO32EVENTINFO *event, ULONG *eventType){
51 return kbd32ClientInstance.WriteEvent(event,eventType);
52}
53
54APIRET EXPENTRY kbd32GetKeyStatus(VIO32STATUSINFO *status){
55 return kbd32ClientInstance.GetKeyStatus(status);
56}
57
58APIRET EXPENTRY kbd32SetMode(ULONG mode){
59 return kbd32ClientInstance.SetMode(mode);
60}
61
62APIRET EXPENTRY kbd32GetMode(ULONG *mode){
63 return kbd32ClientInstance.GetMode(mode);
64}
65
66APIRET kbd32AddFilter(vio32Filter *filter,ULONG *where){
67 ULONG defaultPos=VIO32_PRE_FIRST;
68 if (where == NULL) where = &defaultPos;
69 return kbd32ClientInstance.AddFilter(filter,*where);
70}
71
72APIRET kbd32RemoveFilter(VOID *filterData){
73 return kbd32ClientInstance.RemoveFilter(filterData);
74}
75
76// hook stuff
77HMODULE module = 0;
78PFN pfn1 = NULL;
79PFN pfn2 = NULL;
80
81BOOL EXPENTRY InstallHook(){
82 // already done!
83 if (module != 0) return FALSE;
84
85 // already done!
86 if (pfn1 != NULL) return FALSE;
87
88 // already done!
89 if (pfn2 != NULL) return FALSE;
90
91 // now morph into PM on this thread in acse it didn't happen before
92 PPIB pib;
93 PTIB tib;
94 DosGetInfoBlocks(&tib, &pib);
95 if (pib->pib_ultype == 2) pib->pib_ultype = 3;
96
97 // this code can be run only from a VIO app
98 if (pib->pib_ultype != 3) return FALSE;
99
100 // get anchor block
101 HAB hab = WinInitialize(0);
102
103 // now get the message Queue
104 HMQ queue = WinQueryWindowULong(VIOWindowClient(), QWL_HMQ);
105
106 // now get my own module handle
107 char buffer[256];
108 APIRET rc = DosLoadModule(buffer,256,"vio32.dll",&module);
109 if (rc != 0){
110 printf("DosLoadModule rc is %i\n", rc);
111 return FALSE;
112 }
113
114 // get function pointer
115 rc = DosQueryProcAddr(module,1,NULL,&pfn1);
116 if (rc != 0){
117 printf("DosQueryProcAddr(2) rc is %i\n", rc);
118 return FALSE;
119 }
120
121 BOOL ret = WinSetHook(hab,queue,HK_INPUT,pfn1,module);
122 if (!ret){
123 printf("WinSetHook(1) failed\n");
124 return FALSE;
125 }
126
127 // get function pointer
128 rc = DosQueryProcAddr(module,2,NULL,&pfn2);
129 if (rc != 0){
130 printf("DosQueryProcAddr(2) rc is %i\n", rc);
131 return FALSE;
132 }
133
134 ret = WinSetHook(hab,queue,HK_SENDMSG,pfn2,module);
135 if (!ret){
136 printf("WinSetHook(2) failed\n");
137 return FALSE;
138 }
139
140 return (rc == 0);
141}
142
143BOOL EXPENTRY DeInstallHook(){
144 // never installed
145 if (module == 0) return FALSE;
146
147 // never installed
148 if (pfn1 == NULL) return FALSE;
149
150 // never installed
151 if (pfn2 == NULL) return FALSE;
152
153 // now morph into PM on this thread in acse it didn't happen before
154 PPIB pib;
155 PTIB tib;
156 DosGetInfoBlocks(&tib, &pib);
157 if (pib->pib_ultype == 2) pib->pib_ultype = 3;
158
159 // this code can be run only from a VIO app
160 if (pib->pib_ultype != 3) return FALSE;
161
162 // get anchor block
163 HAB hab = WinInitialize(0);
164
165 // now get the message Queue
166 HMQ queue = WinQueryWindowULong(VIOWindowClient(), QWL_HMQ);
167
168 // finally remove hook
169 BOOL ret = WinReleaseHook(hab,queue,HK_INPUT,pfn1,module);
170
171 // remove hook 2
172 ret &= WinReleaseHook(hab,queue,HK_SENDMSG,pfn2,module);
173
174 // deallocate the DLL
175 DosFreeModule(module);
176 module = NULL;
177 pfn1 = NULL;
178 pfn2 = NULL;
179
180 return ret;
181}
182
183
184BOOL EXPENTRY InputHook(HAB hab, PQMSG pQmsg, ULONG fs){
185
186 // take only mouse and kbd messages
187// if ((pQmsg->msg < WM_MOUSEMOVE) || (pQmsg->msg > WM_CHAR)) return FALSE;
188 if (pQmsg->msg != WM_CHAR) return FALSE;
189
190 // now grab mutex sem
191 APIRET ret;
192 HMTX hmtx = 0;
193 BOOL locked = FALSE;
194 ret = DosOpenMutexSem((PSZ)MUTEX_NAME,&hmtx);
195 if (ret == 0){
196 ret = DosRequestMutexSem(hmtx,SEM_INDEFINITE_WAIT);
197 if (ret == 0) locked = TRUE;
198 }
199
200 // grab shared mem
201 kbd32SharedData *SharedData = NULL;
202 BOOL haveMem = FALSE;
203 if (ret == 0){
204 ret = DosGetNamedSharedMem((PPVOID)&SharedData,(PSZ)SHMEM_NAME,PAG_READ | PAG_WRITE);
205 // ok I have the pointer to the memory I am ok! let's release the memory
206 if (ret == 0) haveMem = TRUE;
207 }
208
209 // now send the key stroke
210 BOOL dataUsed = FALSE;
211 if (ret == 0){
212 // find if the application is registered
213 PID pid;
214 int index;
215 HWND hwndFrame;
216 if (SharedData->searchByHwndClient(pQmsg->hwnd,hwndFrame,pid,index)){
217 // get mode of operation of given app
218 ULONG mode = SharedData->getMode(index);
219
220 // treat specific WM_CHAR msg
221 if (pQmsg->msg == WM_CHAR){
222 // trasnform qmsg in the specific msg
223 CHRMSG *wmchar = (CHRMSG *)&pQmsg->mp1;
224 // on special modes abort
225 if (((mode & KBD32MODE_DISABLEBREAK)==0) && (wmchar->scancode == 110)) ret = 1;
226 }
227// else // mouse move
228// if (pQmsg->msg == WM_MOUSEMOVE){
229// if ((mode & KBD32MODE_ENABLEMMOVE)==0) ret = 1;
230// } else // mouse clicks
231// if ((mode & KBD32MODE_ENABLEMOUSE)==0) ret = 1;
232
233
234 HQUEUE keyQ = 0;
235
236 // get the associated Q
237 if (ret == 0){
238 PID pid_;
239 char qName[64];
240 sprintf(qName,PRIMARY_QUEUE_NAME,pid);
241 ret = DosOpenQueue(&pid_,&keyQ,qName);
242 }
243
244 // now check how many entries are busy
245 ULONG entries = 0;
246 if (ret == 0) ret = DosQueryQueue(keyQ, &entries);
247
248 // if too many are used bleep
249 if ((ret == 0) && (entries >= MAX_PRIMARY_Q_LEN)){
250 ret = 1;
251 DosBeep(1000,20);
252 }
253 // if all is good send data
254 if (ret == 0){
255 // allocate a Q object.
256 VIO32EVENTINFO *key = SharedData->getBuffer(index);
257 // copy data
258 key->pmMsg.mp1 = pQmsg->mp1;
259 key->pmMsg.mp2 = pQmsg->mp2;
260 // send the data
261 ret = DosWriteQueue(keyQ,pQmsg->msg,sizeof(VIO32EVENTINFO),key,0);
262 }
263 // now mark the buffer as used
264 if (ret == 0){
265 SharedData->advanceBuffer(index);
266 dataUsed = TRUE;
267 }
268 // close Q
269 if (keyQ != 0) DosCloseQueue(keyQ);
270 }
271 }
272
273 // release memory
274 if (haveMem) DosFreeMem((PVOID)SharedData);
275 haveMem = FALSE;
276
277 // relase mutex sem
278 if (locked) DosReleaseMutexSem(hmtx);
279 locked = FALSE;
280
281 // let click do focus change
282 if ((pQmsg->msg >= 0x71) && (pQmsg->msg <= 0x79)) return FALSE;
283 return dataUsed;
284}
285
286VOID EXPENTRY SendMsgHook(HAB hab,PSMHSTRUCT psmh,BOOL fInterTask){
287 if (fInterTask) return ;
288
289 // filter messages
290 BOOL toBeProcessed = FALSE;
291 if (psmh->msg == WM_FOCUSCHANGE) toBeProcessed = TRUE;
292 if (psmh->msg == WM_SIZE) toBeProcessed = TRUE;
293 if (psmh->msg == WM_MOVE) toBeProcessed = TRUE;
294
295 if (!toBeProcessed) return;
296
297 // now grab mutex sem
298 APIRET ret;
299 HMTX hmtx = 0;
300 BOOL locked = FALSE;
301 ret = DosOpenMutexSem((PSZ)MUTEX_NAME,&hmtx);
302 if (ret == 0){
303 ret = DosRequestMutexSem(hmtx,SEM_INDEFINITE_WAIT);
304 if (ret == 0) locked = TRUE;
305 }
306
307 // grab shared mem
308 kbd32SharedData *SharedData = NULL;
309 BOOL haveMem = FALSE;
310 if (ret == 0){
311 ret = DosGetNamedSharedMem((PPVOID)&SharedData,(PSZ)SHMEM_NAME,PAG_READ | PAG_WRITE);
312 // ok I have the pointer to the memory I am ok! let's release the memory
313 if (ret == 0) haveMem = TRUE;
314 }
315
316 // now send the key stroke
317 BOOL dataUsed = FALSE;
318 if (ret == 0){
319 // find if the application is registered
320 PID pid;
321 int index;
322 HWND hwndClient;
323 if (SharedData->searchByHwndFrame(psmh->hwnd,hwndClient,pid,index)){
324
325 HQUEUE keyQ = 0;
326
327 // get the associated Q
328 if (ret == 0){
329 PID pid_;
330 char qName[64];
331 sprintf(qName,PRIMARY_QUEUE_NAME,pid);
332 ret = DosOpenQueue(&pid_,&keyQ,qName);
333 }
334
335 // now check how many entries are busy
336 ULONG entries = 0;
337 if (ret == 0) ret = DosQueryQueue(keyQ, &entries);
338
339 // if too many are used bleep
340 if ((ret == 0) && (entries >= MAX_PRIMARY_Q_LEN)){
341 ret = 1;
342 DosBeep(1000,20);
343 }
344 // if all is good send data
345 if (ret == 0){
346 // allocate a Q object.
347 VIO32EVENTINFO *key = SharedData->getBuffer(index);
348 // copy content
349 key->pmMsg.mp1 = psmh->mp1;
350 key->pmMsg.mp2 = psmh->mp2;
351 // send the data
352 ret = DosWriteQueue(keyQ,psmh->msg,sizeof(VIO32EVENTINFO),key,0);
353 }
354 // now mark the buffer as used
355 if (ret == 0){
356 SharedData->advanceBuffer(index);
357 dataUsed = TRUE;
358 }
359 // close Q
360 if (keyQ != 0) DosCloseQueue(keyQ);
361 }
362 }
363
364 // release memory
365 if (haveMem) DosFreeMem((PVOID)SharedData);
366 haveMem = FALSE;
367
368 // relase mutex sem
369 if (locked) DosReleaseMutexSem(hmtx);
370 locked = FALSE;
371
372
373 return ;
374}
375
376
377
378
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