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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RECT g_block_move SHARED = { 0, 0, 0, 0 }; |
49 |
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HWND g_blocked_zchange[2] SHARED = { NULL, NULL }; |
50 |
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HWND g_blocked_focus SHARED = NULL; |
51 |
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int g_blocked_state SHARED = -1; |
52 |
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53 |
#pragma data_seg () |
#pragma data_seg () |
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55 |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
#pragma comment(linker, "/section:SHAREDDATA,rws") |
56 |
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57 |
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#define FOCUS_MSG_NAME "WM_SEAMLESS_FOCUS" |
58 |
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static UINT g_wm_seamless_focus; |
59 |
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60 |
static HHOOK g_cbt_hook = NULL; |
static HHOOK g_cbt_hook = NULL; |
61 |
static HHOOK g_wndproc_hook = NULL; |
static HHOOK g_wndproc_hook = NULL; |
62 |
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static HHOOK g_wndprocret_hook = NULL; |
63 |
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64 |
static HINSTANCE g_instance = NULL; |
static HINSTANCE g_instance = NULL; |
65 |
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66 |
static HANDLE g_mutex = NULL; |
static HANDLE g_mutex = NULL; |
67 |
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68 |
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static void |
69 |
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update_position(HWND hwnd) |
70 |
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{ |
71 |
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RECT rect, blocked; |
72 |
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73 |
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if (!GetWindowRect(hwnd, &rect)) |
74 |
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{ |
75 |
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debug("GetWindowRect failed!\n"); |
76 |
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return; |
77 |
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} |
78 |
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79 |
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WaitForSingleObject(g_mutex, INFINITE); |
80 |
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memcpy(&blocked, &g_block_move, sizeof(RECT)); |
81 |
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ReleaseMutex(g_mutex); |
82 |
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83 |
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if ((rect.left == blocked.left) && (rect.top == blocked.top) |
84 |
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&& (rect.right == blocked.right) && (rect.bottom == blocked.bottom)) |
85 |
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return; |
86 |
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87 |
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vchannel_write("POSITION,0x%p,%d,%d,%d,%d,0x%x", |
88 |
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hwnd, |
89 |
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rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, 0); |
90 |
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} |
91 |
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92 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
93 |
wndproc_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
wndproc_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
94 |
{ |
{ |
95 |
HWND hwnd; |
HWND hwnd, parent; |
96 |
UINT msg; |
UINT msg; |
97 |
WPARAM wparam; |
WPARAM wparam; |
98 |
LPARAM lparam; |
LPARAM lparam; |
109 |
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|
110 |
style = GetWindowLong(hwnd, GWL_STYLE); |
style = GetWindowLong(hwnd, GWL_STYLE); |
111 |
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|
112 |
if (style & WS_CHILD) |
/* Docs say that WS_CHILD and WS_POPUP is an illegal combination, |
113 |
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but they exist nonetheless. */ |
114 |
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if ((style & WS_CHILD) && !(style & WS_POPUP)) |
115 |
goto end; |
goto end; |
116 |
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117 |
switch (msg) |
if (style & WS_POPUP) |
118 |
{ |
{ |
119 |
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parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
120 |
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if (!parent) |
121 |
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parent = (HWND) - 1; |
122 |
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} |
123 |
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else |
124 |
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parent = NULL; |
125 |
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126 |
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switch (msg) |
127 |
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{ |
128 |
case WM_WINDOWPOSCHANGED: |
case WM_WINDOWPOSCHANGED: |
129 |
{ |
{ |
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RECT rect; |
|
130 |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
WINDOWPOS *wp = (WINDOWPOS *) lparam; |
131 |
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|
132 |
if (wp->flags & SWP_SHOWWINDOW) |
if (wp->flags & SWP_SHOWWINDOW) |
133 |
{ |
{ |
134 |
// FIXME: Now, just like create! |
unsigned short title[150]; |
135 |
debug("SWP_SHOWWINDOW for %p!", hwnd); |
int state; |
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vchannel_write("CREATE1,0x%p,0x%x", hwnd, 0); |
|
136 |
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137 |
// FIXME: SETSTATE |
vchannel_write("CREATE,0x%p,0x%p,0x%x", hwnd, parent, 0); |
138 |
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|
139 |
if (!GetWindowRect(hwnd, &rect)) |
GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
140 |
{ |
|
141 |
debug("GetWindowRect failed!\n"); |
vchannel_write("TITLE,0x%x,%s,0x%x", hwnd, |
142 |
break; |
vchannel_strfilter_unicode(title), 0); |
143 |
} |
|
144 |
vchannel_write("POSITION1,0x%p,%d,%d,%d,%d,0x%x", |
if (style & WS_MAXIMIZE) |
145 |
hwnd, |
state = 2; |
146 |
rect.left, rect.top, |
else if (style & WS_MINIMIZE) |
147 |
rect.right - rect.left, |
state = 1; |
148 |
rect.bottom - rect.top, 0); |
else |
149 |
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state = 0; |
150 |
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151 |
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update_position(hwnd); |
152 |
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153 |
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vchannel_write("STATE,0x%p,0x%x,0x%x", hwnd, state, 0); |
154 |
} |
} |
155 |
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156 |
if (wp->flags & SWP_HIDEWINDOW) |
if (wp->flags & SWP_HIDEWINDOW) |
157 |
vchannel_write("DESTROY1,0x%p,0x%x", hwnd, 0); |
vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
158 |
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|
159 |
if (!(style & WS_VISIBLE)) |
if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
160 |
break; |
break; |
161 |
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162 |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
if (!(wp->flags & SWP_NOMOVE && wp->flags & SWP_NOSIZE)) |
163 |
{ |
update_position(hwnd); |
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if (!GetWindowRect(hwnd, &rect)) |
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{ |
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debug("GetWindowRect failed!\n"); |
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break; |
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} |
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vchannel_write("POSITION1,0x%p,%d,%d,%d,%d,0x%x", |
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hwnd, |
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rect.left, rect.top, |
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rect.right - rect.left, |
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rect.bottom - rect.top, 0); |
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} |
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164 |
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165 |
if (!(wp->flags & SWP_NOZORDER)) |
if (!(wp->flags & SWP_NOZORDER)) |
166 |
{ |
{ |
167 |
vchannel_write("ZCHANGE1,0x%p,0x%p,0x%x", |
HWND block_hwnd, block_behind; |
168 |
hwnd, |
WaitForSingleObject(g_mutex, INFINITE); |
169 |
wp->flags & SWP_NOACTIVATE ? wp-> |
block_hwnd = g_blocked_zchange[0]; |
170 |
hwndInsertAfter : 0, 0); |
block_behind = g_blocked_zchange[1]; |
171 |
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ReleaseMutex(g_mutex); |
172 |
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173 |
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if ((hwnd != block_hwnd) |
174 |
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|| (wp->hwndInsertAfter != block_behind)) |
175 |
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{ |
176 |
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vchannel_write("ZCHANGE,0x%p,0x%p,0x%x", |
177 |
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hwnd, |
178 |
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wp->flags & SWP_NOACTIVATE ? wp-> |
179 |
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hwndInsertAfter : 0, 0); |
180 |
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} |
181 |
} |
} |
182 |
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183 |
break; |
break; |
184 |
} |
} |
185 |
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186 |
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case WM_SIZE: |
187 |
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if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
188 |
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break; |
189 |
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update_position(hwnd); |
190 |
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break; |
191 |
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192 |
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case WM_MOVE: |
193 |
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if (!(style & WS_VISIBLE) || (style & WS_MINIMIZE)) |
194 |
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break; |
195 |
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update_position(hwnd); |
196 |
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break; |
197 |
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198 |
case WM_DESTROY: |
case WM_DESTROY: |
199 |
vchannel_write("DESTROY1,0x%p,0x%x", hwnd, 0); |
if (!(style & WS_VISIBLE)) |
200 |
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break; |
201 |
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vchannel_write("DESTROY,0x%p,0x%x", hwnd, 0); |
202 |
break; |
break; |
203 |
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204 |
default: |
default: |
210 |
} |
} |
211 |
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212 |
static LRESULT CALLBACK |
static LRESULT CALLBACK |
213 |
cbt_hook_proc(int code, WPARAM wparam, LPARAM lparam) |
wndprocret_hook_proc(int code, WPARAM cur_thread, LPARAM details) |
214 |
{ |
{ |
215 |
char title[150]; |
HWND hwnd, parent; |
216 |
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UINT msg; |
217 |
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WPARAM wparam; |
218 |
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LPARAM lparam; |
219 |
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220 |
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LONG style; |
221 |
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222 |
if (code < 0) |
if (code < 0) |
223 |
goto end; |
goto end; |
224 |
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225 |
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hwnd = ((CWPRETSTRUCT *) details)->hwnd; |
226 |
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msg = ((CWPRETSTRUCT *) details)->message; |
227 |
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wparam = ((CWPRETSTRUCT *) details)->wParam; |
228 |
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lparam = ((CWPRETSTRUCT *) details)->lParam; |
229 |
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230 |
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style = GetWindowLong(hwnd, GWL_STYLE); |
231 |
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232 |
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/* Docs say that WS_CHILD and WS_POPUP is an illegal combination, |
233 |
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but they exist nonetheless. */ |
234 |
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if ((style & WS_CHILD) && !(style & WS_POPUP)) |
235 |
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goto end; |
236 |
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237 |
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if (style & WS_POPUP) |
238 |
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{ |
239 |
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parent = (HWND) GetWindowLong(hwnd, GWL_HWNDPARENT); |
240 |
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if (!parent) |
241 |
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parent = (HWND) - 1; |
242 |
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} |
243 |
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else |
244 |
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parent = NULL; |
245 |
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246 |
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switch (msg) |
247 |
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{ |
248 |
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case WM_SETTEXT: |
249 |
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{ |
250 |
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unsigned short title[150]; |
251 |
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if (!(style & WS_VISIBLE)) |
252 |
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break; |
253 |
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/* We cannot use the string in lparam because |
254 |
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we need unicode. */ |
255 |
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GetWindowTextW(hwnd, title, sizeof(title) / sizeof(*title)); |
256 |
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vchannel_write("TITLE,0x%p,%s,0x%x", hwnd, |
257 |
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vchannel_strfilter_unicode(title), 0); |
258 |
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break; |
259 |
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} |
260 |
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261 |
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default: |
262 |
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break; |
263 |
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} |
264 |
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265 |
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if (msg == g_wm_seamless_focus) |
266 |
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{ |
267 |
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/* FIXME: SetActiveWindow() kills menus. Need to find a clean |
268 |
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way to solve this. */ |
269 |
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if ((GetActiveWindow() != hwnd) && !parent) |
270 |
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SetActiveWindow(hwnd); |
271 |
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} |
272 |
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273 |
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end: |
274 |
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return CallNextHookEx(g_wndprocret_hook, code, cur_thread, details); |
275 |
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} |
276 |
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277 |
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static LRESULT CALLBACK |
278 |
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cbt_hook_proc(int code, WPARAM wparam, LPARAM lparam) |
279 |
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{ |
280 |
|
if (code < 0) |
281 |
|
goto end; |
282 |
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|
283 |
switch (code) |
switch (code) |
284 |
{ |
{ |
285 |
case HCBT_MINMAX: |
case HCBT_MINMAX: |
286 |
{ |
{ |
287 |
int show, state; |
int show, state, blocked; |
288 |
|
|
289 |
|
WaitForSingleObject(g_mutex, INFINITE); |
290 |
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blocked = g_blocked_state; |
291 |
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ReleaseMutex(g_mutex); |
292 |
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|
293 |
show = LOWORD(lparam); |
show = LOWORD(lparam); |
294 |
|
|
295 |
if ((show == SW_SHOWMINIMIZED) || (show == SW_MINIMIZE)) |
if ((show == SW_NORMAL) || (show == SW_SHOWNORMAL) |
296 |
|
|| (show == SW_RESTORE)) |
297 |
|
state = 0; |
298 |
|
else if ((show == SW_MINIMIZE) || (show == SW_SHOWMINIMIZED)) |
299 |
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state = 1; |
300 |
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else if ((show == SW_MAXIMIZE) || (show == SW_SHOWMAXIMIZED)) |
301 |
|
state = 2; |
302 |
|
else |
303 |
{ |
{ |
304 |
MessageBox(0, |
debug("Unexpected show: %d", show); |
305 |
"Minimizing windows is not allowed in this version. Sorry!", |
break; |
|
"SeamlessRDP", MB_OK); |
|
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return 1; |
|
306 |
} |
} |
307 |
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|
308 |
GetWindowText((HWND) wparam, title, sizeof(title)); |
if (blocked != state) |
309 |
|
vchannel_write("STATE,0x%p,0x%x,0x%x", (HWND) wparam, state, |
310 |
/* FIXME: Strip title of dangerous characters */ |
0); |
311 |
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if (show == SW_SHOWNORMAL) |
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state = 0; |
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else if (show == SW_SHOWMINIMIZED) |
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state = 1; |
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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); |
|
312 |
break; |
break; |
313 |
} |
} |
314 |
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328 |
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329 |
if (!g_wndproc_hook) |
if (!g_wndproc_hook) |
330 |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
g_wndproc_hook = SetWindowsHookEx(WH_CALLWNDPROC, wndproc_hook_proc, g_instance, 0); |
331 |
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|
332 |
|
if (!g_wndprocret_hook) |
333 |
|
g_wndprocret_hook = |
334 |
|
SetWindowsHookEx(WH_CALLWNDPROCRET, wndprocret_hook_proc, g_instance, 0); |
335 |
} |
} |
336 |
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|
337 |
DLL_EXPORT void |
DLL_EXPORT void |
342 |
|
|
343 |
if (g_wndproc_hook) |
if (g_wndproc_hook) |
344 |
UnhookWindowsHookEx(g_wndproc_hook); |
UnhookWindowsHookEx(g_wndproc_hook); |
345 |
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346 |
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if (g_wndprocret_hook) |
347 |
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UnhookWindowsHookEx(g_wndprocret_hook); |
348 |
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} |
349 |
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350 |
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DLL_EXPORT void |
351 |
|
SafeMoveWindow(HWND hwnd, int x, int y, int width, int height) |
352 |
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{ |
353 |
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WaitForSingleObject(g_mutex, INFINITE); |
354 |
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g_block_move.left = x; |
355 |
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g_block_move.top = y; |
356 |
|
g_block_move.right = x + width; |
357 |
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g_block_move.bottom = y + height; |
358 |
|
ReleaseMutex(g_mutex); |
359 |
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|
360 |
|
SetWindowPos(hwnd, NULL, x, y, width, height, SWP_NOACTIVATE | SWP_NOZORDER); |
361 |
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|
362 |
|
WaitForSingleObject(g_mutex, INFINITE); |
363 |
|
memset(&g_block_move, 0, sizeof(RECT)); |
364 |
|
ReleaseMutex(g_mutex); |
365 |
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} |
366 |
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|
367 |
|
DLL_EXPORT void |
368 |
|
SafeZChange(HWND hwnd, HWND behind) |
369 |
|
{ |
370 |
|
if (behind == NULL) |
371 |
|
behind = HWND_TOP; |
372 |
|
|
373 |
|
WaitForSingleObject(g_mutex, INFINITE); |
374 |
|
g_blocked_zchange[0] = hwnd; |
375 |
|
g_blocked_zchange[1] = behind; |
376 |
|
ReleaseMutex(g_mutex); |
377 |
|
|
378 |
|
SetWindowPos(hwnd, behind, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE); |
379 |
|
|
380 |
|
WaitForSingleObject(g_mutex, INFINITE); |
381 |
|
g_blocked_zchange[0] = NULL; |
382 |
|
g_blocked_zchange[1] = NULL; |
383 |
|
ReleaseMutex(g_mutex); |
384 |
|
} |
385 |
|
|
386 |
|
DLL_EXPORT void |
387 |
|
SafeFocus(HWND hwnd) |
388 |
|
{ |
389 |
|
WaitForSingleObject(g_mutex, INFINITE); |
390 |
|
g_blocked_focus = hwnd; |
391 |
|
ReleaseMutex(g_mutex); |
392 |
|
|
393 |
|
SendMessage(hwnd, g_wm_seamless_focus, 0, 0); |
394 |
|
|
395 |
|
WaitForSingleObject(g_mutex, INFINITE); |
396 |
|
g_blocked_focus = NULL; |
397 |
|
ReleaseMutex(g_mutex); |
398 |
|
} |
399 |
|
|
400 |
|
DLL_EXPORT void |
401 |
|
SafeSetState(HWND hwnd, int state) |
402 |
|
{ |
403 |
|
WaitForSingleObject(g_mutex, INFINITE); |
404 |
|
g_blocked_state = state; |
405 |
|
ReleaseMutex(g_mutex); |
406 |
|
|
407 |
|
if (state == 0) |
408 |
|
ShowWindow(hwnd, SW_RESTORE); |
409 |
|
else if (state == 1) |
410 |
|
ShowWindow(hwnd, SW_MINIMIZE); |
411 |
|
else if (state == 2) |
412 |
|
ShowWindow(hwnd, SW_MAXIMIZE); |
413 |
|
else |
414 |
|
debug("Invalid state %d sent.", state); |
415 |
|
|
416 |
|
WaitForSingleObject(g_mutex, INFINITE); |
417 |
|
g_blocked_state = -1; |
418 |
|
ReleaseMutex(g_mutex); |
419 |
} |
} |
420 |
|
|
421 |
DLL_EXPORT int |
DLL_EXPORT int |
441 |
++g_instance_count; |
++g_instance_count; |
442 |
ReleaseMutex(g_mutex); |
ReleaseMutex(g_mutex); |
443 |
|
|
444 |
|
g_wm_seamless_focus = RegisterWindowMessage(FOCUS_MSG_NAME); |
445 |
|
|
446 |
vchannel_open(); |
vchannel_open(); |
447 |
|
|
448 |
break; |
break; |