2 * Copyright (c) 2011-2012, Andy Spencer <andy753421@gmail.com>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
21 #define WIN32_LEAN_AND_MEAN
22 #define _WIN32_WINNT 0x0501
34 static int no_capture = 0;
35 static int stack = 25;
37 /* Internal structures */
48 static int shellhookid;
51 static list_t *screens;
53 /* Conversion functions */
54 static event_map_t ev2vk[] = {
55 {EV_MOUSE1 , VK_LBUTTON },
56 {EV_MOUSE2 , VK_MBUTTON },
57 {EV_MOUSE3 , VK_RBUTTON },
59 {EV_RIGHT , VK_RIGHT },
64 {EV_PAGEUP , VK_PRIOR },
65 {EV_PAGEDOWN, VK_NEXT },
78 {EV_SHIFT , VK_SHIFT },
79 {EV_SHIFT , VK_LSHIFT },
80 {EV_SHIFT , VK_RSHIFT },
81 {EV_CTRL , VK_CONTROL },
82 {EV_CTRL , VK_LCONTROL},
83 {EV_CTRL , VK_RCONTROL},
92 static event_t w2ev(UINT vk)
94 event_map_t *em = map_getr(ev2vk,vk);
95 return em ? em->ev : tolower(vk);
98 static UINT ev2w(event_t ev)
100 event_map_t *em = map_get(ev2vk,ev);
101 return em ? em->vk : toupper(ev);
104 static mod_t getmod(void)
107 .alt = GetKeyState(VK_MENU) < 0,
108 .ctrl = GetKeyState(VK_CONTROL) < 0,
109 .shift = GetKeyState(VK_SHIFT) < 0,
110 .win = GetKeyState(VK_LWIN) < 0 ||
111 GetKeyState(VK_RWIN) < 0,
116 static ptr_t getptr(void)
120 return (ptr_t){-1, -1, wptr.x, wptr.y};
123 /* Window functions */
124 static win_t *win_new(HWND hwnd, int checkwin)
128 int exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
129 GetClassName(hwnd, winclass, sizeof(winclass));
130 if (!IsWindowVisible(hwnd)) return NULL; // Invisible stuff..
131 if (!strcmp("#32770", winclass)) return NULL; // Message boxes
132 if (GetWindow(hwnd, GW_OWNER)) return NULL; // Dialog boxes, etc
133 if (exstyle & WS_EX_TOOLWINDOW) return NULL; // Floating toolbars
137 GetWindowRect(hwnd, &rect);
138 win_t *win = new0(win_t);
141 win->w = rect.right - rect.left;
142 win->h = rect.bottom - rect.top;
143 win->sys = new0(win_sys_t);
144 win->sys->hwnd = hwnd;
145 printf("win_new: %p = %p (%d,%d %dx%d)\n", win, hwnd,
146 win->x, win->y, win->w, win->h);
150 static int win_cmp(const void *_a, const void *_b)
152 const win_t *a = _a, *b = _b;
153 if (a->sys->hwnd < b->sys->hwnd) return -1;
154 if (a->sys->hwnd > b->sys->hwnd) return 1;
158 static win_t *win_find(HWND hwnd, int create)
162 //printf("win_find: %p, %d\n", dpy, (int)xid);
163 win_sys_t sys = {.hwnd=hwnd};
164 win_t tmp = {.sys=&sys};
165 win_t **old = NULL, *new = NULL;
166 if ((old = tfind(&tmp, &cache, win_cmp)))
168 if (create && (new = win_new(hwnd,1)))
169 tsearch(new, &cache, win_cmp);
173 static void win_remove(win_t *win)
175 tdelete(win, &cache, win_cmp);
180 static win_t *win_cursor(void)
184 return win_find(GetAncestor(WindowFromPoint(wptr),GA_ROOT),0);
187 static win_t *win_focused(void)
189 return win_find(GetForegroundWindow(),0);
193 LRESULT CALLBACK KbdProc(int msg, WPARAM wParam, LPARAM lParam)
195 KBDLLHOOKSTRUCT *st = (KBDLLHOOKSTRUCT *)lParam;
196 event_t ev = w2ev(st->vkCode);
197 mod_t mod = getmod();
198 mod.up = !!(st->flags & 0x80);
199 printf("KbdProc: %d,%x,%lx - %lx,%lx,%lx - %x,%x\n",
201 st->vkCode, st->scanCode, st->flags,
203 return wm_handle_event(win_focused(), ev, mod, getptr())
204 || CallNextHookEx(0, msg, wParam, lParam);
207 LRESULT CALLBACK MllProc(int msg, WPARAM wParam, LPARAM lParam)
209 event_t ev = EV_NONE;
210 mod_t mod = getmod();
211 win_t *win = win_cursor();
213 /* Update modifiers */
215 case WM_LBUTTONDOWN: mod.up = 0; ev = EV_MOUSE1; break;
216 case WM_LBUTTONUP: mod.up = 1; ev = EV_MOUSE1; break;
217 case WM_RBUTTONDOWN: mod.up = 0; ev = EV_MOUSE3; break;
218 case WM_RBUTTONUP: mod.up = 1; ev = EV_MOUSE3; break;
221 /* Check for focus-in/focus-out */
222 static win_t *old = NULL;
223 if (win && win != old) {
224 wm_handle_event(old, EV_LEAVE, mod, getptr());
225 wm_handle_event(win, EV_ENTER, mod, getptr());
229 /* Send mouse movement event */
230 if (wParam == WM_MOUSEMOVE)
231 return wm_handle_ptr(win_cursor(), getptr());
232 else if (ev != EV_NONE)
233 return wm_handle_event(win_cursor(), ev, mod, getptr());
235 return CallNextHookEx(0, msg, wParam, lParam);
238 LRESULT CALLBACK ShlProc(int msg, WPARAM wParam, LPARAM lParam)
240 HWND hwnd = (HWND)wParam;
244 case HSHELL_WINDOWCREATED:
245 printf("ShlProc: %p - %s\n", hwnd, msg == HSHELL_REDRAW ?
246 "redraw" : "window created");
247 if (!(win = win_find(hwnd,0)))
248 if ((win = win_find(hwnd,1)))
251 case HSHELL_WINDOWREPLACED:
252 case HSHELL_WINDOWDESTROYED:
253 printf("ShlProc: %p - %s\n", hwnd, msg == HSHELL_WINDOWREPLACED ?
254 "window replaced" : "window destroyed");
255 if ((win = win_find(hwnd,0)) &&
256 (win->state == ST_SHOW ||
257 win->state == ST_SHADE)) {
262 case HSHELL_WINDOWACTIVATED:
263 printf("ShlProc: %p - window activated\n", hwnd);
264 // Fake button-click (causes crazy switching)
265 //if ((win = win_find(hwnd,0)))
266 // wm_handle_event(win, EV_MOUSE1, MOD(), getptr());
269 printf("ShlProc: %p - unknown msg, %d\n", hwnd, msg);
274 LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
276 //printf("WndProc: %d, %x, %lx\n", msg, wParam, lParam);
278 case WM_CREATE: printf("WndProc: %p - create\n", hwnd); return 0;
279 case WM_CLOSE: printf("WndProc: %p - close\n", hwnd); return 0;
280 case WM_DESTROY: printf("WndProc: %p - destroy\n", hwnd); return 0;
281 case WM_HOTKEY: printf("WndProc: %p - hotkey\n", hwnd); return 0;
283 if (msg == shellhookid)
284 if (ShlProc(wParam, lParam, 0))
286 return DefWindowProc(hwnd, msg, wParam, lParam);
289 BOOL CALLBACK MonProc(HMONITOR mon, HDC dc, LPRECT rect, LPARAM _screens)
291 MONITORINFO info = {.cbSize=sizeof(MONITORINFO)};
292 GetMonitorInfo(mon, &info);
293 RECT *work = &info.rcWork;
295 list_t **screens = (list_t**)_screens;
296 win_t *screen = new0(win_t);
297 screen->x = work->left;
298 screen->y = work->top;
299 screen->z = !!(info.dwFlags & MONITORINFOF_PRIMARY);
300 screen->w = work->right - work->left;
301 screen->h = work->bottom - work->top;
302 *screens = list_append(*screens, screen);
303 printf("mon_proc: %d,%d %dx%d\n",
304 screen->x, screen->y, screen->w, screen->h);
308 BOOL CALLBACK LoopProc(HWND hwnd, LPARAM user)
311 if ((win = win_find(hwnd,1)))
316 BOOL WINAPI CtrlProc(DWORD type)
322 /********************
324 ********************/
325 void sys_move(win_t *win, int x, int y, int w, int h)
327 printf("sys_move: %p - %d,%d %dx%d\n", win, x, y, w, h);
328 win->x = x; win->y = y;
329 win->w = MAX(w,1); win->h = MAX(h,1);
330 MoveWindow(win->sys->hwnd, win->x, win->y, win->w, win->h, TRUE);
333 void sys_raise(win_t *win)
335 printf("sys_raise: %p\n", win);
337 /* See note in sys_focus */
338 DWORD oldId = GetWindowThreadProcessId(GetForegroundWindow(), NULL);
339 DWORD newId = GetCurrentThreadId();
340 AttachThreadInput(oldId, newId, TRUE);
342 SetWindowPos(win->sys->hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
344 AttachThreadInput(oldId, newId, FALSE);
347 void sys_focus(win_t *win)
349 printf("sys_focus: %p\n", win);
351 /* Windows prevents a thread from using SetForegroundInput under
352 * certain circumstances and instead flashes the windows toolbar icon.
353 * Attaching the thread input queues avoids this behavior */
354 HWND fgWin = GetForegroundWindow();
355 if (fgWin == win->sys->hwnd)
356 return; // already focused
357 DWORD oldId = GetWindowThreadProcessId(fgWin, NULL);
358 DWORD newId = GetCurrentThreadId();
360 AttachThreadInput(oldId, newId, TRUE);
362 HWND next = GetWindow(win->sys->hwnd, GW_HWNDNEXT);
363 SetWindowPos(win->sys->hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
365 SetWindowPos(win->sys->hwnd, next, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
368 AttachThreadInput(oldId, newId, FALSE);
371 void sys_show(win_t *win, state_t state)
377 [ST_SHOW ] {"show" , SW_SHOW },
378 [ST_FULL ] {"full" , SW_MAXIMIZE},
379 [ST_SHADE] {"shade", SW_SHOW },
380 [ST_ICON ] {"icon" , SW_MINIMIZE},
381 [ST_HIDE ] {"hide" , SW_HIDE },
383 if (win->state != state && win->state == ST_SHADE)
384 SetWindowRgn(win->sys->hwnd, NULL, TRUE);
386 printf("sys_show: %s\n", map[state].str);
387 ShowWindow(win->sys->hwnd, map[state].cmd);
388 if (state == ST_SHADE)
389 SetWindowRgn(win->sys->hwnd, CreateRectRgn(0,0,win->w,stack), TRUE);
392 void sys_watch(win_t *win, event_t ev, mod_t mod)
395 //printf("sys_watch: %p\n", win);
398 void sys_unwatch(win_t *win, event_t ev, mod_t mod)
401 //printf("sys_unwatch: %p\n", win);
404 list_t *sys_info(void)
407 EnumDisplayMonitors(NULL, NULL, MonProc, (LPARAM)&screens);
413 HINSTANCE hInst = GetModuleHandle(NULL);
415 /* Load configuration */
416 no_capture = conf_get_int("main.no-capture", no_capture);
417 stack = conf_get_int("main.stack", stack);
419 /* Setup window class */
421 .cbSize = sizeof(WNDCLASSEX),
422 .lpfnWndProc = WndProc,
424 .lpszClassName = "wmpus_class",
426 if (!RegisterClassEx(&wc))
427 printf("sys_init: Error Registering Class - %lu\n", GetLastError());
431 SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0);
433 /* Create shell hook window */
434 if (!(root = CreateWindowEx(0, "wmpus_class", "wmpus", 0,
435 rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top,
436 HWND_MESSAGE, NULL, hInst, NULL)))
437 printf("sys_init: Error Creating Shell Hook Window - %lu\n", GetLastError());
439 /* Register shell hook */
440 BOOL (*RegisterShellHookWindow)(HWND) = (void*)GetProcAddress(
441 GetModuleHandle("USER32.DLL"), "RegisterShellHookWindow");
442 if (!RegisterShellHookWindow)
443 printf("sys_init: Error Finding RegisterShellHookWindow - %lu\n", GetLastError());
444 if (!RegisterShellHookWindow(root))
445 printf("sys_init: Error Registering ShellHook Window - %lu\n", GetLastError());
446 shellhookid = RegisterWindowMessage("SHELLHOOK");
449 SetWindowsHookEx(WH_KEYBOARD_LL, KbdProc, hInst, 0);
450 SetWindowsHookEx(WH_MOUSE_LL, MllProc, hInst, 0);
451 //SetWindowsHookEx(WH_SHELL, ShlProc, hInst, 0);
453 /* Alternate ways to get input */
454 //if (!RegisterHotKey(root, 123, MOD_CONTROL, VK_LBUTTON))
455 // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
456 //if (!RegisterHotKey(NULL, 123, MOD_CONTROL, VK_LBUTTON))
457 // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
459 /* Capture ctrl-c and console widnow close */
460 SetConsoleCtrlHandler(CtrlProc, TRUE);
467 EnumWindows(LoopProc, 0);
468 while (GetMessage(&msg, NULL, 0, 0) > 0 &&
469 msg.message != WM_QUIT) {
470 TranslateMessage(&msg);
471 DispatchMessage(&msg);
477 PostMessage(root, WM_QUIT, 0, 0);
482 /* I don't really care about this
483 * since I don't know how to use
484 * valgrind on win32 anyway.. */