32 |
|
|
33 |
#define DLL_EXPORT __declspec(dllexport) |
#define DLL_EXPORT __declspec(dllexport) |
34 |
|
|
35 |
|
#ifdef __GNUC__ |
36 |
|
#define SHARED __attribute__((section ("SHAREDDATA"), shared)) |
37 |
|
#else |
38 |
|
#define SHARED |
39 |
|
#endif |
40 |
|
|
41 |
// Shared DATA |
// Shared DATA |
42 |
#pragma data_seg ( "SHAREDDATA" ) |
#pragma data_seg ( "SHAREDDATA" ) |
43 |
|
|
44 |
// this is the total number of processes this dll is currently attached to |
// this is the total number of processes this dll is currently attached to |
45 |
int g_instance_count = 0; |
int g_instance_count SHARED = 0; |
46 |
|
|
47 |
|
// blocks for locally generated events |
48 |
|
HWND g_block_move_hwnd SHARED = NULL; |
49 |
|
unsigned int g_block_move_serial SHARED = 0; |
50 |
|
RECT g_block_move SHARED = { 0, 0, 0, 0 }; |
51 |
|
|
52 |
|
unsigned int g_blocked_zchange_serial SHARED = 0; |
53 |
|
HWND g_blocked_zchange[2] SHARED = { NULL, NULL }; |
54 |
|
|
55 |
|
unsigned int g_blocked_focus_serial SHARED = 0; |
56 |
|
HWND g_blocked_focus SHARED = NULL; |
57 |
|
|
58 |
|
unsigned int g_blocked_state_serial SHARED = 0; |
59 |
|
HWND g_blocked_state_hwnd SHARED = NULL; |
60 |
|
int g_blocked_state SHARED = -1; |
61 |
|
|
62 |
#pragma data_seg () |
#pragma data_seg () |
63 |
|
|
64 |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
65 |
|
|
66 |
|
#define FOCUS_MSG_NAME "WM_SEAMLESS_FOCUS" |
67 |
|
static UINT g_wm_seamless_focus; |
68 |
|
|
69 |
static HHOOK g_cbt_hook = NULL; |
static HHOOK g_cbt_hook = NULL; |
70 |
static HHOOK g_wndproc_hook = NULL; |
static HHOOK g_wndproc_hook = NULL; |
71 |
|
static HHOOK g_wndprocret_hook = NULL; |
72 |
|
|
73 |
static HINSTANCE g_instance = NULL; |
static HINSTANCE g_instance = NULL; |
74 |
|
|
77 |
static void |
static void |
78 |
update_position(HWND hwnd) |
update_position(HWND hwnd) |
79 |
{ |
{ |
80 |
RECT rect; |
RECT rect, blocked; |
81 |
|
HWND blocked_hwnd; |
82 |
|
unsigned int serial; |
83 |
|
|
84 |
|
WaitForSingleObject(g_mutex, INFINITE); |
85 |
|
blocked_hwnd = g_block_move_hwnd; |
86 |
|
serial = g_block_move_serial; |
87 |
|
memcpy(&blocked, &g_block_move, sizeof(RECT)); |
88 |
|
ReleaseMutex(g_mutex); |
89 |
|
|
90 |
|
vchannel_block(); |
91 |
|
|
92 |
if (!GetWindowRect(hwnd, &rect)) |
if (!GetWindowRect(hwnd, &rect)) |
93 |
{ |
{ |
94 |
debug("GetWindowRect failed!\n"); |
debug("GetWindowRect failed!\n"); |
95 |
return; |
goto end; |
96 |
} |
} |
97 |
|
|
98 |
vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x", |
if ((hwnd == blocked_hwnd) && (rect.left == blocked.left) && (rect.top == blocked.top) |
99 |
|
&& (rect.right == blocked.right) && (rect.bottom == blocked.bottom)) |
100 |
|
goto end; |
101 |
|
|
102 |
|
vchannel_write("POSITION", "0x%p,%d,%d,%d,%d,0x%x", |
103 |
hwnd, |
hwnd, |
104 |
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0); |
rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0); |
105 |
|
|
106 |
|
end: |
107 |
|
vchannel_unblock(); |
108 |
|
} |
109 |
|
|
110 |
|
static void |
111 |
|
update_zorder(HWND hwnd) |
112 |
|
{ |
113 |
|
HWND behind; |
114 |
|
HWND block_hwnd, block_behind; |
115 |
|
unsigned int serial; |
116 |
|
|
117 |
|
WaitForSingleObject(g_mutex, INFINITE); |
118 |
|
serial = g_blocked_zchange_serial; |
119 |
|
block_hwnd = g_blocked_zchange[0]; |
120 |
|
block_behind = g_blocked_zchange[1]; |
121 |
|
ReleaseMutex(g_mutex); |
122 |
|
|
123 |
|
vchannel_block(); |
124 |
|
|
125 |
|
behind = GetNextWindow(hwnd, GW_HWNDPREV); |
126 |
|
while (behind) |
127 |
|
{ |
128 |
|
LONG style; |
129 |
|
|
130 |
|
style = GetWindowLong(behind, GWL_STYLE); |
131 |
|
|
132 |
|
if ((!(style & WS_CHILD) || (style & WS_POPUP)) && (style & WS_VISIBLE)) |
133 |
|
break; |
134 |
|
|
135 |
|
behind = GetNextWindow(behind, GW_HWNDPREV); |
136 |
|
} |
137 |
|
|
138 |
|
if ((hwnd == block_hwnd) && (behind == block_behind)) |
139 |
|
vchannel_write("ACK", "%u", serial); |
140 |
|
else |
141 |
|
vchannel_write("ZCHANGE", "0x%p,0x%p,0x%x", hwnd, behind, 0); |
142 |
|
|
143 |
|
vchannel_unblock(); |
144 |
|
} |
145 |
|
|
146 |
|
static HWND |
147 |
|
get_parent(HWND hwnd) |
148 |
|
{ |
149 |
|
LONG style; |
150 |
|
HWND parent; |
151 |
|
|
152 |
|
style = GetWindowLong(hwnd, GWL_STYLE); |
153 |
|
|
154 |
|
if (style & (WS_POPUP | DS_MODALFRAME)) |
155 |
|
{ |
156 |
|
parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
157 |
|
|
158 |
|
if (parent) |
159 |
|
{ |
160 |
|
style = GetWindowLong(parent, GWL_STYLE); |
161 |
|
if (((style & WS_CHILD) && !(style & WS_POPUP)) || !(style & WS_VISIBLE)) |
162 |
|
parent = NULL; |
163 |
|
} |
164 |
|
|
165 |
|
if (!parent) |
166 |
|
parent = GetWindow(hwnd, GW_OWNER); |
167 |
|
|
168 |
|
if (parent) |
169 |
|
{ |
170 |
|
style = GetWindowLong(parent, GWL_STYLE); |
171 |
|
if (((style & WS_CHILD) && !(style & WS_POPUP)) || !(style & WS_VISIBLE)) |
172 |
|
parent = NULL; |
173 |
|
} |
174 |
|
|
175 |
|
if (!parent) |
176 |
|
parent = (HWND) - 1; |
177 |
|
} |
178 |
|
else |
179 |
|
parent = NULL; |
180 |
|
|
181 |
|
return parent; |
182 |
} |
} |
183 |
|
|
184 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
206 |
if ((style & WS_CHILD) && !(style & WS_POPUP)) |
if ((style & WS_CHILD) && !(style & WS_POPUP)) |
207 |
goto end; |
goto end; |
208 |
|
|
209 |
if (style & WS_POPUP) |
parent = get_parent(hwnd); |
|
{ |
|
|
parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
|
|
if (!parent) |
|
|
parent = (HWND) - 1; |
|
|
} |
|
|
else |
|
|
parent = NULL; |
|
210 |
|
|
211 |
switch (msg) |
switch (msg) |
212 |
{ |
{ |
|
|
|
213 |
case WM_WINDOWPOSCHANGED: |
case WM_WINDOWPOSCHANGED: |
214 |
{ |
{ |
215 |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
216 |
|
|
217 |
if (wp->flags & SWP_SHOWWINDOW) |
if (wp->flags & SWP_SHOWWINDOW) |
218 |
{ |
{ |
219 |
char title[150]; |
unsigned short title[150]; |
220 |
int state; |
int state; |
221 |
|
DWORD pid; |
222 |
|
int flags; |
223 |
|
|
224 |
|
GetWindowThreadProcessId(hwnd, &pid); |
225 |
|
|
226 |
|
flags = 0; |
227 |
|
if (style & DS_MODALFRAME) |
228 |
|
flags |= SEAMLESS_CREATE_MODAL; |
229 |
|
|
230 |
vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0); |
vchannel_write("CREATE", "0x%08lx,0x%08lx,0x%08lx,0x%08x", |
231 |
|
(long) hwnd, (long) pid, (long) parent, |
232 |
|
flags); |
233 |
|
|
234 |
GetWindowText(hwnd, title, sizeof(title)); |
GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
235 |
|
|
236 |
vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, |
vchannel_write("TITLE", "0x%x,%s,0x%x", hwnd, |
237 |
vchannel_strfilter(title), 0); |
vchannel_strfilter_unicode(title), 0); |
238 |
|
|
239 |
if (style & WS_MAXIMIZE) |
if (style & WS_MAXIMIZE) |
240 |
state = 2; |
state = 2; |
245 |
|
|
246 |
update_position(hwnd); |
update_position(hwnd); |
247 |
|
|
248 |
vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0); |
vchannel_write("STATE", "0x%p,0x%x,0x%x", hwnd, state, 0); |
249 |
} |
} |
250 |
|
|
251 |
if (wp->flags & SWP_HIDEWINDOW) |
if (wp->flags & SWP_HIDEWINDOW) |
252 |
vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
vchannel_write("DESTROY", "0x%p,0x%x", hwnd, 0); |
253 |
|
|
254 |
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
255 |
break; |
break; |
257 |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
258 |
update_position(hwnd); |
update_position(hwnd); |
259 |
|
|
|
if (!(wp->flags & SWP_NOZORDER)) |
|
|
{ |
|
|
vchannel_write("ZCHANGE,0x%p,0x%p,0x%x", |
|
|
hwnd, |
|
|
wp->flags & SWP_NOACTIVATE ? wp-> |
|
|
hwndInsertAfter : 0, 0); |
|
|
} |
|
|
|
|
260 |
break; |
break; |
261 |
} |
} |
262 |
|
|
272 |
update_position(hwnd); |
update_position(hwnd); |
273 |
break; |
break; |
274 |
|
|
275 |
case WM_SETTEXT: |
case WM_DESTROY: |
276 |
|
if (!(style & WS_VISIBLE)) |
277 |
|
break; |
278 |
|
vchannel_write("DESTROY", "0x%p,0x%x", hwnd, 0); |
279 |
|
break; |
280 |
|
|
281 |
|
default: |
282 |
|
break; |
283 |
|
} |
284 |
|
|
285 |
|
end: |
286 |
|
return CallNextHookEx(g_wndproc_hook, code, cur_thread, details); |
287 |
|
} |
288 |
|
|
289 |
|
static LRESULT CALLBACK |
290 |
|
wndprocret_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
291 |
|
{ |
292 |
|
HWND hwnd, parent; |
293 |
|
UINT msg; |
294 |
|
WPARAM wparam; |
295 |
|
LPARAM lparam; |
296 |
|
|
297 |
|
LONG style; |
298 |
|
|
299 |
|
if (code < 0) |
300 |
|
goto end; |
301 |
|
|
302 |
|
hwnd = ((CWPRETSTRUCT *) details)->hwnd; |
303 |
|
msg = ((CWPRETSTRUCT *) details)->message; |
304 |
|
wparam = ((CWPRETSTRUCT *) details)->wParam; |
305 |
|
lparam = ((CWPRETSTRUCT *) details)->lParam; |
306 |
|
|
307 |
|
style = GetWindowLong(hwnd, GWL_STYLE); |
308 |
|
|
309 |
|
/* Docs say that WS_CHILD and WS_POPUP is an illegal combination, |
310 |
|
but they exist nonetheless. */ |
311 |
|
if ((style & WS_CHILD) && !(style & WS_POPUP)) |
312 |
|
goto end; |
313 |
|
|
314 |
|
parent = get_parent(hwnd); |
315 |
|
|
316 |
|
switch (msg) |
317 |
|
{ |
318 |
|
case WM_WINDOWPOSCHANGED: |
319 |
{ |
{ |
320 |
char *title; |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
321 |
if (!(style & WS_VISIBLE)) |
|
322 |
|
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
323 |
break; |
break; |
324 |
title = _strdup((char *) lparam); |
|
325 |
vchannel_write("TITLE,0x%p,%s,0x%x", hwnd, |
if (!(wp->flags & SWP_NOZORDER)) |
326 |
vchannel_strfilter(title), 0); |
update_zorder(hwnd); |
327 |
free(title); |
|
328 |
break; |
break; |
329 |
} |
} |
330 |
|
|
331 |
case WM_DESTROY: |
|
332 |
if (!(style & WS_VISIBLE)) |
case WM_SETTEXT: |
333 |
|
{ |
334 |
|
unsigned short title[150]; |
335 |
|
if (!(style & WS_VISIBLE)) |
336 |
|
break; |
337 |
|
/* We cannot use the string in lparam because |
338 |
|
we need unicode. */ |
339 |
|
GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
340 |
|
vchannel_write("TITLE", "0x%p,%s,0x%x", hwnd, |
341 |
|
vchannel_strfilter_unicode(title), 0); |
342 |
break; |
break; |
343 |
vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
} |
|
break; |
|
344 |
|
|
345 |
default: |
default: |
346 |
break; |
break; |
347 |
} |
} |
348 |
|
|
349 |
|
if (msg == g_wm_seamless_focus) |
350 |
|
{ |
351 |
|
/* FIXME: SetActiveWindow() kills menus. Need to find a clean |
352 |
|
way to solve this. */ |
353 |
|
if ((GetActiveWindow() != hwnd) && !parent) |
354 |
|
SetActiveWindow(hwnd); |
355 |
|
|
356 |
|
vchannel_write("ACK", "%u", g_blocked_focus_serial); |
357 |
|
} |
358 |
|
|
359 |
end: |
end: |
360 |
return CallNextHookEx(g_wndproc_hook, code, cur_thread, details); |
return CallNextHookEx(g_wndprocret_hook, code, cur_thread, details); |
361 |
} |
} |
362 |
|
|
363 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
370 |
{ |
{ |
371 |
case HCBT_MINMAX: |
case HCBT_MINMAX: |
372 |
{ |
{ |
373 |
int show, state; |
int show, state, blocked; |
374 |
|
HWND blocked_hwnd; |
375 |
|
unsigned int serial; |
376 |
|
|
377 |
|
WaitForSingleObject(g_mutex, INFINITE); |
378 |
|
blocked_hwnd = g_blocked_state_hwnd; |
379 |
|
serial = g_blocked_state_serial; |
380 |
|
blocked = g_blocked_state; |
381 |
|
ReleaseMutex(g_mutex); |
382 |
|
|
383 |
show = LOWORD(lparam); |
show = LOWORD(lparam); |
384 |
|
|
394 |
debug("Unexpected show: %d", show); |
debug("Unexpected show: %d", show); |
395 |
break; |
break; |
396 |
} |
} |
397 |
vchannel_write("STATE,0x%p,0x%x,0x%x", (HWND) wparam, state, 0); |
|
398 |
|
if ((blocked_hwnd == (HWND) wparam) && (blocked == state)) |
399 |
|
vchannel_write("ACK", "%u", serial); |
400 |
|
else |
401 |
|
vchannel_write("STATE", "0x%p,0x%x,0x%x", (HWND) wparam, |
402 |
|
state, 0); |
403 |
|
|
404 |
break; |
break; |
405 |
} |
} |
406 |
|
|
420 |
|
|
421 |
if (!g_wndproc_hook) |
if (!g_wndproc_hook) |
422 |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
423 |
|
|
424 |
|
if (!g_wndprocret_hook) |
425 |
|
g_wndprocret_hook = |
426 |
|
SetWindowsHookEx(WH_CALLWNDPROCRET, wndprocret_hook_proc, g_instance, 0); |
427 |
} |
} |
428 |
|
|
429 |
DLL_EXPORT void |
DLL_EXPORT void |
434 |
|
|
435 |
if (g_wndproc_hook) |
if (g_wndproc_hook) |
436 |
UnhookWindowsHookEx(g_wndproc_hook); |
UnhookWindowsHookEx(g_wndproc_hook); |
437 |
|
|
438 |
|
if (g_wndprocret_hook) |
439 |
|
UnhookWindowsHookEx(g_wndprocret_hook); |
440 |
|
} |
441 |
|
|
442 |
|
DLL_EXPORT void |
443 |
|
SafeMoveWindow(unsigned int serial, HWND hwnd, int x, int y, int width, int height) |
444 |
|
{ |
445 |
|
RECT rect; |
446 |
|
|
447 |
|
WaitForSingleObject(g_mutex, INFINITE); |
448 |
|
g_block_move_hwnd = hwnd; |
449 |
|
g_block_move_serial = serial; |
450 |
|
g_block_move.left = x; |
451 |
|
g_block_move.top = y; |
452 |
|
g_block_move.right = x + width; |
453 |
|
g_block_move.bottom = y + height; |
454 |
|
ReleaseMutex(g_mutex); |
455 |
|
|
456 |
|
SetWindowPos(hwnd, NULL, x, y, width, height, SWP_NOACTIVATE | SWP_NOZORDER); |
457 |
|
|
458 |
|
vchannel_write("ACK", "%u", serial); |
459 |
|
|
460 |
|
if (!GetWindowRect(hwnd, &rect)) |
461 |
|
debug("GetWindowRect failed!\n"); |
462 |
|
else if ((rect.left != x) || (rect.top != y) || (rect.right != x + width) |
463 |
|
|| (rect.bottom != y + height)) |
464 |
|
update_position(hwnd); |
465 |
|
|
466 |
|
WaitForSingleObject(g_mutex, INFINITE); |
467 |
|
g_block_move_hwnd = NULL; |
468 |
|
memset(&g_block_move, 0, sizeof(RECT)); |
469 |
|
ReleaseMutex(g_mutex); |
470 |
|
} |
471 |
|
|
472 |
|
DLL_EXPORT void |
473 |
|
SafeZChange(unsigned int serial, HWND hwnd, HWND behind) |
474 |
|
{ |
475 |
|
WaitForSingleObject(g_mutex, INFINITE); |
476 |
|
g_blocked_zchange_serial = serial; |
477 |
|
g_blocked_zchange[0] = hwnd; |
478 |
|
g_blocked_zchange[1] = behind; |
479 |
|
ReleaseMutex(g_mutex); |
480 |
|
|
481 |
|
if (behind == NULL) |
482 |
|
behind = HWND_TOP; |
483 |
|
|
484 |
|
SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
485 |
|
|
486 |
|
WaitForSingleObject(g_mutex, INFINITE); |
487 |
|
g_blocked_zchange[0] = NULL; |
488 |
|
g_blocked_zchange[1] = NULL; |
489 |
|
ReleaseMutex(g_mutex); |
490 |
|
} |
491 |
|
|
492 |
|
DLL_EXPORT void |
493 |
|
SafeFocus(unsigned int serial, HWND hwnd) |
494 |
|
{ |
495 |
|
WaitForSingleObject(g_mutex, INFINITE); |
496 |
|
g_blocked_focus_serial = serial; |
497 |
|
g_blocked_focus = hwnd; |
498 |
|
ReleaseMutex(g_mutex); |
499 |
|
|
500 |
|
SendMessage(hwnd, g_wm_seamless_focus, 0, 0); |
501 |
|
|
502 |
|
WaitForSingleObject(g_mutex, INFINITE); |
503 |
|
g_blocked_focus = NULL; |
504 |
|
ReleaseMutex(g_mutex); |
505 |
|
} |
506 |
|
|
507 |
|
DLL_EXPORT void |
508 |
|
SafeSetState(unsigned int serial, HWND hwnd, int state) |
509 |
|
{ |
510 |
|
LONG style; |
511 |
|
int curstate; |
512 |
|
|
513 |
|
vchannel_block(); |
514 |
|
|
515 |
|
style = GetWindowLong(hwnd, GWL_STYLE); |
516 |
|
|
517 |
|
if (style & WS_MAXIMIZE) |
518 |
|
curstate = 2; |
519 |
|
else if (style & WS_MINIMIZE) |
520 |
|
curstate = 1; |
521 |
|
else |
522 |
|
curstate = 0; |
523 |
|
|
524 |
|
if (state == curstate) |
525 |
|
{ |
526 |
|
vchannel_write("ACK", "%u", serial); |
527 |
|
vchannel_unblock(); |
528 |
|
return; |
529 |
|
} |
530 |
|
|
531 |
|
WaitForSingleObject(g_mutex, INFINITE); |
532 |
|
g_blocked_state_hwnd = hwnd; |
533 |
|
g_blocked_state_serial = serial; |
534 |
|
g_blocked_state = state; |
535 |
|
ReleaseMutex(g_mutex); |
536 |
|
|
537 |
|
vchannel_unblock(); |
538 |
|
|
539 |
|
if (state == 0) |
540 |
|
ShowWindow(hwnd, SW_RESTORE); |
541 |
|
else if (state == 1) |
542 |
|
ShowWindow(hwnd, SW_MINIMIZE); |
543 |
|
else if (state == 2) |
544 |
|
ShowWindow(hwnd, SW_MAXIMIZE); |
545 |
|
else |
546 |
|
debug("Invalid state %d sent.", state); |
547 |
|
|
548 |
|
WaitForSingleObject(g_mutex, INFINITE); |
549 |
|
g_blocked_state_hwnd = NULL; |
550 |
|
g_blocked_state = -1; |
551 |
|
ReleaseMutex(g_mutex); |
552 |
} |
} |
553 |
|
|
554 |
DLL_EXPORT int |
DLL_EXPORT int |
574 |
++g_instance_count; |
++g_instance_count; |
575 |
ReleaseMutex(g_mutex); |
ReleaseMutex(g_mutex); |
576 |
|
|
577 |
|
g_wm_seamless_focus = RegisterWindowMessage(FOCUS_MSG_NAME); |
578 |
|
|
579 |
vchannel_open(); |
vchannel_open(); |
580 |
|
|
581 |
break; |
break; |