32 |
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33 |
#define DLL_EXPORT __declspec(dllexport) |
#define DLL_EXPORT __declspec(dllexport) |
34 |
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35 |
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#ifdef __GNUC__ |
36 |
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#define SHARED __attribute__((section ("SHAREDDATA"), shared)) |
37 |
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#else |
38 |
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#define SHARED |
39 |
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#endif |
40 |
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41 |
// Shared DATA |
// Shared DATA |
42 |
#pragma data_seg ( "SHAREDDATA" ) |
#pragma data_seg ( "SHAREDDATA" ) |
43 |
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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 |
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|
47 |
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// blocks for locally generated events |
48 |
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HWND g_block_move_hwnd SHARED = NULL; |
49 |
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RECT g_block_move SHARED = { 0, 0, 0, 0 }; |
50 |
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HWND g_blocked_zchange[2] SHARED = { NULL, NULL }; |
51 |
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HWND g_blocked_focus SHARED = NULL; |
52 |
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HWND g_blocked_state_hwnd SHARED = NULL; |
53 |
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int g_blocked_state SHARED = -1; |
54 |
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55 |
#pragma data_seg () |
#pragma data_seg () |
56 |
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57 |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
58 |
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59 |
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#define FOCUS_MSG_NAME "WM_SEAMLESS_FOCUS" |
60 |
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static UINT g_wm_seamless_focus; |
61 |
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62 |
static HHOOK g_cbt_hook = NULL; |
static HHOOK g_cbt_hook = NULL; |
63 |
static HHOOK g_wndproc_hook = NULL; |
static HHOOK g_wndproc_hook = NULL; |
64 |
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static HHOOK g_wndprocret_hook = NULL; |
65 |
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66 |
static HINSTANCE g_instance = NULL; |
static HINSTANCE g_instance = NULL; |
67 |
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|
70 |
static void |
static void |
71 |
update_position(HWND hwnd) |
update_position(HWND hwnd) |
72 |
{ |
{ |
73 |
RECT rect; |
RECT rect, blocked; |
74 |
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HWND blocked_hwnd; |
75 |
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|
76 |
if (!GetWindowRect(hwnd, &rect)) |
if (!GetWindowRect(hwnd, &rect)) |
77 |
{ |
{ |
79 |
return; |
return; |
80 |
} |
} |
81 |
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|
82 |
vchannel_write("POSITION1,0x%p,%d,%d,%d,%d,0x%x", |
WaitForSingleObject(g_mutex, INFINITE); |
83 |
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blocked_hwnd = hwnd; |
84 |
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memcpy(&blocked, &g_block_move, sizeof(RECT)); |
85 |
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ReleaseMutex(g_mutex); |
86 |
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87 |
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if ((hwnd == blocked_hwnd) && (rect.left == blocked.left) && (rect.top == blocked.top) |
88 |
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&& (rect.right == blocked.right) && (rect.bottom == blocked.bottom)) |
89 |
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return; |
90 |
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91 |
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vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x", |
92 |
hwnd, |
hwnd, |
93 |
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); |
94 |
} |
} |
96 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
97 |
wndproc_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
wndproc_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
98 |
{ |
{ |
99 |
HWND hwnd; |
HWND hwnd, parent; |
100 |
UINT msg; |
UINT msg; |
101 |
WPARAM wparam; |
WPARAM wparam; |
102 |
LPARAM lparam; |
LPARAM lparam; |
113 |
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|
114 |
style = GetWindowLong(hwnd, GWL_STYLE); |
style = GetWindowLong(hwnd, GWL_STYLE); |
115 |
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|
116 |
if (style & WS_CHILD) |
/* Docs say that WS_CHILD and WS_POPUP is an illegal combination, |
117 |
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but they exist nonetheless. */ |
118 |
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if ((style & WS_CHILD) && !(style & WS_POPUP)) |
119 |
goto end; |
goto end; |
120 |
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|
121 |
switch (msg) |
if (style & WS_POPUP) |
122 |
{ |
{ |
123 |
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parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
124 |
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if (!parent) |
125 |
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parent = (HWND) - 1; |
126 |
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} |
127 |
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else |
128 |
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parent = NULL; |
129 |
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130 |
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switch (msg) |
131 |
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{ |
132 |
case WM_WINDOWPOSCHANGED: |
case WM_WINDOWPOSCHANGED: |
133 |
{ |
{ |
134 |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
135 |
|
|
136 |
if (wp->flags & SWP_SHOWWINDOW) |
if (wp->flags & SWP_SHOWWINDOW) |
137 |
{ |
{ |
138 |
// FIXME: Now, just like create! |
unsigned short title[150]; |
139 |
debug("SWP_SHOWWINDOW for %p!", hwnd); |
int state; |
140 |
vchannel_write("CREATE1,0x%p,0x%x", hwnd, 0); |
|
141 |
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vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0); |
142 |
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|
143 |
// FIXME: SETSTATE |
GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
144 |
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145 |
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vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, |
146 |
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vchannel_strfilter_unicode(title), 0); |
147 |
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|
148 |
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if (style & WS_MAXIMIZE) |
149 |
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state = 2; |
150 |
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else if (style & WS_MINIMIZE) |
151 |
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state = 1; |
152 |
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else |
153 |
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state = 0; |
154 |
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|
155 |
update_position(hwnd); |
update_position(hwnd); |
156 |
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157 |
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vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0); |
158 |
} |
} |
159 |
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|
160 |
if (wp->flags & SWP_HIDEWINDOW) |
if (wp->flags & SWP_HIDEWINDOW) |
161 |
vchannel_write("DESTROY1,0x%p,0x%x", hwnd, 0); |
vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
162 |
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|
163 |
if (!(style & WS_VISIBLE)) |
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
164 |
break; |
break; |
165 |
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|
166 |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
168 |
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|
169 |
if (!(wp->flags & SWP_NOZORDER)) |
if (!(wp->flags & SWP_NOZORDER)) |
170 |
{ |
{ |
171 |
vchannel_write("ZCHANGE1,0x%p,0x%p,0x%x", |
HWND block_hwnd, block_behind; |
172 |
hwnd, |
WaitForSingleObject(g_mutex, INFINITE); |
173 |
wp->flags & SWP_NOACTIVATE ? wp-> |
block_hwnd = g_blocked_zchange[0]; |
174 |
hwndInsertAfter : 0, 0); |
block_behind = g_blocked_zchange[1]; |
175 |
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ReleaseMutex(g_mutex); |
176 |
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177 |
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if ((hwnd != block_hwnd) |
178 |
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|| (wp->hwndInsertAfter != block_behind)) |
179 |
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{ |
180 |
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vchannel_write("ZCHANGE,0x%p,0x%p,0x%x", |
181 |
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hwnd, |
182 |
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wp->flags & SWP_NOACTIVATE ? wp-> |
183 |
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hwndInsertAfter : 0, 0); |
184 |
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} |
185 |
} |
} |
186 |
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187 |
break; |
break; |
188 |
} |
} |
189 |
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190 |
case WM_SIZE: |
case WM_SIZE: |
191 |
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if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
192 |
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break; |
193 |
update_position(hwnd); |
update_position(hwnd); |
194 |
break; |
break; |
195 |
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|
196 |
case WM_MOVE: |
case WM_MOVE: |
197 |
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if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
198 |
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break; |
199 |
update_position(hwnd); |
update_position(hwnd); |
200 |
break; |
break; |
201 |
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|
202 |
case WM_DESTROY: |
case WM_DESTROY: |
203 |
vchannel_write("DESTROY1,0x%p,0x%x", hwnd, 0); |
if (!(style & WS_VISIBLE)) |
204 |
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break; |
205 |
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vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
206 |
break; |
break; |
207 |
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208 |
default: |
default: |
214 |
} |
} |
215 |
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|
216 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
217 |
cbt_hook_proc(int code, WPARAM wparam, LPARAM lparam) |
wndprocret_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
218 |
{ |
{ |
219 |
char title[150]; |
HWND hwnd, parent; |
220 |
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UINT msg; |
221 |
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WPARAM wparam; |
222 |
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LPARAM lparam; |
223 |
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224 |
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LONG style; |
225 |
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226 |
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if (code < 0) |
227 |
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goto end; |
228 |
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229 |
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hwnd = ((CWPRETSTRUCT *) details)->hwnd; |
230 |
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msg = ((CWPRETSTRUCT *) details)->message; |
231 |
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wparam = ((CWPRETSTRUCT *) details)->wParam; |
232 |
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lparam = ((CWPRETSTRUCT *) details)->lParam; |
233 |
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234 |
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style = GetWindowLong(hwnd, GWL_STYLE); |
235 |
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236 |
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/* Docs say that WS_CHILD and WS_POPUP is an illegal combination, |
237 |
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but they exist nonetheless. */ |
238 |
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if ((style & WS_CHILD) && !(style & WS_POPUP)) |
239 |
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goto end; |
240 |
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|
241 |
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if (style & WS_POPUP) |
242 |
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{ |
243 |
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parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
244 |
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if (!parent) |
245 |
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parent = (HWND) - 1; |
246 |
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} |
247 |
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else |
248 |
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parent = NULL; |
249 |
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|
250 |
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switch (msg) |
251 |
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{ |
252 |
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case WM_SETTEXT: |
253 |
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{ |
254 |
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unsigned short title[150]; |
255 |
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if (!(style & WS_VISIBLE)) |
256 |
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break; |
257 |
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/* We cannot use the string in lparam because |
258 |
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we need unicode. */ |
259 |
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GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
260 |
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vchannel_write("TITLE,0x%p,%s,0x%x", hwnd, |
261 |
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vchannel_strfilter_unicode(title), 0); |
262 |
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break; |
263 |
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} |
264 |
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|
265 |
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default: |
266 |
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break; |
267 |
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} |
268 |
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|
269 |
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if (msg == g_wm_seamless_focus) |
270 |
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{ |
271 |
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/* FIXME: SetActiveWindow() kills menus. Need to find a clean |
272 |
|
way to solve this. */ |
273 |
|
if ((GetActiveWindow() != hwnd) && !parent) |
274 |
|
SetActiveWindow(hwnd); |
275 |
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} |
276 |
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|
277 |
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end: |
278 |
|
return CallNextHookEx(g_wndprocret_hook, code, cur_thread, details); |
279 |
|
} |
280 |
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|
281 |
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static LRESULT CALLBACK |
282 |
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cbt_hook_proc(int code, WPARAM wparam, LPARAM lparam) |
283 |
|
{ |
284 |
if (code < 0) |
if (code < 0) |
285 |
goto end; |
goto end; |
286 |
|
|
288 |
{ |
{ |
289 |
case HCBT_MINMAX: |
case HCBT_MINMAX: |
290 |
{ |
{ |
291 |
int show, state; |
int show, state, blocked; |
292 |
|
HWND blocked_hwnd; |
293 |
|
|
294 |
|
WaitForSingleObject(g_mutex, INFINITE); |
295 |
|
blocked_hwnd = g_blocked_state_hwnd; |
296 |
|
blocked = g_blocked_state; |
297 |
|
ReleaseMutex(g_mutex); |
298 |
|
|
299 |
show = LOWORD(lparam); |
show = LOWORD(lparam); |
300 |
|
|
301 |
if ((show == SW_SHOWMINIMIZED) || (show == SW_MINIMIZE)) |
if ((show == SW_NORMAL) || (show == SW_SHOWNORMAL) |
302 |
|
|| (show == SW_RESTORE)) |
303 |
|
state = 0; |
304 |
|
else if ((show == SW_MINIMIZE) || (show == SW_SHOWMINIMIZED)) |
305 |
|
state = 1; |
306 |
|
else if ((show == SW_MAXIMIZE) || (show == SW_SHOWMAXIMIZED)) |
307 |
|
state = 2; |
308 |
|
else |
309 |
{ |
{ |
310 |
MessageBox(0, |
debug("Unexpected show: %d", show); |
311 |
"Minimizing windows is not allowed in this version. Sorry!", |
break; |
|
"SeamlessRDP", MB_OK); |
|
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return 1; |
|
312 |
} |
} |
313 |
|
|
314 |
GetWindowText((HWND) wparam, title, sizeof(title)); |
if ((blocked_hwnd != (HWND) wparam) || (blocked != state)) |
315 |
|
vchannel_write("STATE,0x%p,0x%x,0x%x", (HWND) wparam, state, |
316 |
/* FIXME: Strip title of dangerous characters */ |
0); |
317 |
|
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if (show == SW_SHOWNORMAL) |
|
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state = 0; |
|
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else if (show == SW_SHOWMINIMIZED) |
|
|
state = 1; |
|
|
else if (show == SW_SHOWMAXIMIZED) |
|
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state = 2; |
|
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vchannel_write("SETSTATE1,0x%p,%s,0x%x,0x%x", |
|
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(HWND) wparam, title, state, 0); |
|
318 |
break; |
break; |
319 |
} |
} |
320 |
|
|
334 |
|
|
335 |
if (!g_wndproc_hook) |
if (!g_wndproc_hook) |
336 |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
337 |
|
|
338 |
|
if (!g_wndprocret_hook) |
339 |
|
g_wndprocret_hook = |
340 |
|
SetWindowsHookEx(WH_CALLWNDPROCRET, wndprocret_hook_proc, g_instance, 0); |
341 |
} |
} |
342 |
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|
343 |
DLL_EXPORT void |
DLL_EXPORT void |
348 |
|
|
349 |
if (g_wndproc_hook) |
if (g_wndproc_hook) |
350 |
UnhookWindowsHookEx(g_wndproc_hook); |
UnhookWindowsHookEx(g_wndproc_hook); |
351 |
|
|
352 |
|
if (g_wndprocret_hook) |
353 |
|
UnhookWindowsHookEx(g_wndprocret_hook); |
354 |
|
} |
355 |
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|
356 |
|
DLL_EXPORT void |
357 |
|
SafeMoveWindow(HWND hwnd, int x, int y, int width, int height) |
358 |
|
{ |
359 |
|
WaitForSingleObject(g_mutex, INFINITE); |
360 |
|
g_block_move_hwnd = hwnd; |
361 |
|
g_block_move.left = x; |
362 |
|
g_block_move.top = y; |
363 |
|
g_block_move.right = x + width; |
364 |
|
g_block_move.bottom = y + height; |
365 |
|
ReleaseMutex(g_mutex); |
366 |
|
|
367 |
|
SetWindowPos(hwnd, NULL, x, y, width, height, SWP_NOACTIVATE | SWP_NOZORDER); |
368 |
|
|
369 |
|
WaitForSingleObject(g_mutex, INFINITE); |
370 |
|
g_block_move_hwnd = NULL; |
371 |
|
memset(&g_block_move, 0, sizeof(RECT)); |
372 |
|
ReleaseMutex(g_mutex); |
373 |
|
} |
374 |
|
|
375 |
|
DLL_EXPORT void |
376 |
|
SafeZChange(HWND hwnd, HWND behind) |
377 |
|
{ |
378 |
|
if (behind == NULL) |
379 |
|
behind = HWND_TOP; |
380 |
|
|
381 |
|
WaitForSingleObject(g_mutex, INFINITE); |
382 |
|
g_blocked_zchange[0] = hwnd; |
383 |
|
g_blocked_zchange[1] = behind; |
384 |
|
ReleaseMutex(g_mutex); |
385 |
|
|
386 |
|
SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
387 |
|
|
388 |
|
WaitForSingleObject(g_mutex, INFINITE); |
389 |
|
g_blocked_zchange[0] = NULL; |
390 |
|
g_blocked_zchange[1] = NULL; |
391 |
|
ReleaseMutex(g_mutex); |
392 |
|
} |
393 |
|
|
394 |
|
DLL_EXPORT void |
395 |
|
SafeFocus(HWND hwnd) |
396 |
|
{ |
397 |
|
WaitForSingleObject(g_mutex, INFINITE); |
398 |
|
g_blocked_focus = hwnd; |
399 |
|
ReleaseMutex(g_mutex); |
400 |
|
|
401 |
|
SendMessage(hwnd, g_wm_seamless_focus, 0, 0); |
402 |
|
|
403 |
|
WaitForSingleObject(g_mutex, INFINITE); |
404 |
|
g_blocked_focus = NULL; |
405 |
|
ReleaseMutex(g_mutex); |
406 |
|
} |
407 |
|
|
408 |
|
DLL_EXPORT void |
409 |
|
SafeSetState(HWND hwnd, int state) |
410 |
|
{ |
411 |
|
WaitForSingleObject(g_mutex, INFINITE); |
412 |
|
g_blocked_state_hwnd = hwnd; |
413 |
|
g_blocked_state = state; |
414 |
|
ReleaseMutex(g_mutex); |
415 |
|
|
416 |
|
if (state == 0) |
417 |
|
ShowWindow(hwnd, SW_RESTORE); |
418 |
|
else if (state == 1) |
419 |
|
ShowWindow(hwnd, SW_MINIMIZE); |
420 |
|
else if (state == 2) |
421 |
|
ShowWindow(hwnd, SW_MAXIMIZE); |
422 |
|
else |
423 |
|
debug("Invalid state %d sent.", state); |
424 |
|
|
425 |
|
WaitForSingleObject(g_mutex, INFINITE); |
426 |
|
g_blocked_state_hwnd = NULL; |
427 |
|
g_blocked_state = -1; |
428 |
|
ReleaseMutex(g_mutex); |
429 |
} |
} |
430 |
|
|
431 |
DLL_EXPORT int |
DLL_EXPORT int |
451 |
++g_instance_count; |
++g_instance_count; |
452 |
ReleaseMutex(g_mutex); |
ReleaseMutex(g_mutex); |
453 |
|
|
454 |
|
g_wm_seamless_focus = RegisterWindowMessage(FOCUS_MSG_NAME); |
455 |
|
|
456 |
vchannel_open(); |
vchannel_open(); |
457 |
|
|
458 |
break; |
break; |