2 * Copyright (c) 2011, 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 0x0500
33 static int NO_CAPTURE = 0;
34 static int STACK = 25;
36 /* Internal structures */
47 static int shellhookid;
50 static list_t *screens;
52 /* Conversion functions */
53 static keymap_t key2vk[] = {
54 {key_mouse1 , VK_LBUTTON },
55 {key_mouse2 , VK_MBUTTON },
56 {key_mouse3 , VK_RBUTTON },
57 {key_left , VK_LEFT },
58 {key_right , VK_RIGHT },
60 {key_down , VK_DOWN },
61 {key_home , VK_HOME },
63 {key_pageup , VK_PRIOR },
64 {key_pagedown, VK_NEXT },
77 {key_shift , VK_SHIFT },
78 {key_shift , VK_LSHIFT },
79 {key_shift , VK_RSHIFT },
80 {key_ctrl , VK_CONTROL },
81 {key_ctrl , VK_LCONTROL},
82 {key_ctrl , VK_RCONTROL},
84 {key_alt , VK_LMENU },
85 {key_alt , VK_RMENU },
91 static Key_t w2key(UINT vk)
93 keymap_t *km = map_getr(key2vk,vk);
94 return km ? km->key : tolower(vk);
97 static UINT key2w(Key_t key)
99 keymap_t *km = map_get(key2vk,key);
100 return km ? km->vk : toupper(key);
103 static mod_t getmod(void)
106 .alt = GetKeyState(VK_MENU) < 0,
107 .ctrl = GetKeyState(VK_CONTROL) < 0,
108 .shift = GetKeyState(VK_SHIFT) < 0,
109 .win = GetKeyState(VK_LWIN) < 0 ||
110 GetKeyState(VK_RWIN) < 0,
115 static ptr_t getptr(void)
119 return (ptr_t){-1, -1, wptr.x, wptr.y};
122 /* Window functions */
123 static win_t *win_new(HWND hwnd, int checkwin)
127 int exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
128 GetClassName(hwnd, winclass, sizeof(winclass));
129 if (!IsWindowVisible(hwnd)) return NULL; // Invisible stuff..
130 if (!strcmp("#32770", winclass)) return NULL; // Message boxes
131 if (GetWindow(hwnd, GW_OWNER)) return NULL; // Dialog boxes, etc
132 if (exstyle & WS_EX_TOOLWINDOW) return NULL; // Floating toolbars
136 GetWindowRect(hwnd, &rect);
137 win_t *win = new0(win_t);
140 win->w = rect.right - rect.left;
141 win->h = rect.bottom - rect.top;
142 win->sys = new0(win_sys_t);
143 win->sys->hwnd = hwnd;
144 printf("win_new: %p = %p (%d,%d %dx%d)\n", win, hwnd,
145 win->x, win->y, win->w, win->h);
149 static int win_cmp(const void *_a, const void *_b)
151 const win_t *a = _a, *b = _b;
152 if (a->sys->hwnd < b->sys->hwnd) return -1;
153 if (a->sys->hwnd > b->sys->hwnd) return 1;
157 static win_t *win_find(HWND hwnd, int create)
161 //printf("win_find: %p, %d\n", dpy, (int)xid);
162 win_sys_t sys = {.hwnd=hwnd};
163 win_t tmp = {.sys=&sys};
164 win_t **old = NULL, *new = NULL;
165 if ((old = tfind(&tmp, &cache, win_cmp)))
167 if (create && (new = win_new(hwnd,1)))
168 tsearch(new, &cache, win_cmp);
172 static void win_remove(win_t *win)
174 tdelete(win, &cache, win_cmp);
179 static win_t *win_cursor(void)
183 return win_find(GetAncestor(WindowFromPoint(wptr),GA_ROOT),0);
186 static win_t *win_focused(void)
188 return win_find(GetForegroundWindow(),0);
192 LRESULT CALLBACK KbdProc(int msg, WPARAM wParam, LPARAM lParam)
194 KBDLLHOOKSTRUCT *st = (KBDLLHOOKSTRUCT *)lParam;
195 Key_t key = w2key(st->vkCode);
196 mod_t mod = getmod();
197 mod.up = !!(st->flags & 0x80);
198 printf("KbdProc: %d,%x,%lx - %lx,%lx,%lx - %x,%x\n",
200 st->vkCode, st->scanCode, st->flags,
202 return wm_handle_key(win_focused() ?: root, key, mod, getptr())
203 || CallNextHookEx(0, msg, wParam, lParam);
206 LRESULT CALLBACK MllProc(int msg, WPARAM wParam, LPARAM lParam)
208 Key_t key = key_none;
209 mod_t mod = getmod();
210 win_t *win = win_cursor();
212 /* Update modifiers */
214 case WM_LBUTTONDOWN: mod.up = 0; key = key_mouse1; break;
215 case WM_LBUTTONUP: mod.up = 1; key = key_mouse1; break;
216 case WM_RBUTTONDOWN: mod.up = 0; key = key_mouse3; break;
217 case WM_RBUTTONUP: mod.up = 1; key = key_mouse3; break;
220 /* Check for focus-in/focus-out */
221 static win_t *old = NULL;
222 if (win && win != old) {
223 wm_handle_key(old, key_leave, mod, getptr());
224 wm_handle_key(win, key_enter, mod, getptr());
228 /* Send mouse movement event */
229 if (wParam == WM_MOUSEMOVE)
230 return wm_handle_ptr(win_cursor(), getptr());
231 else if (key != key_none)
232 return wm_handle_key(win_cursor(), key, mod, getptr());
234 return CallNextHookEx(0, msg, wParam, lParam);
237 LRESULT CALLBACK ShlProc(int msg, WPARAM wParam, LPARAM lParam)
239 HWND hwnd = (HWND)wParam;
242 case HSHELL_WINDOWCREATED:
244 printf("ShlProc: %p - %s\n", hwnd, msg == HSHELL_REDRAW ?
245 "redraw" : "window created");
246 if (!(win = win_find(hwnd,0)))
247 if ((win = win_find(hwnd,1)))
250 case HSHELL_WINDOWDESTROYED:
251 printf("ShlProc: %p - window destroyed\n", hwnd);
252 if ((win = win_find(hwnd,0)) &&
253 win->state == st_show) {
258 case HSHELL_WINDOWACTIVATED:
259 printf("ShlProc: %p - window activated\n", hwnd);
262 printf("ShlProc: %p - unknown msg, %d\n", hwnd, msg);
267 LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
269 //printf("WndProc: %d, %x, %lx\n", msg, wParam, lParam);
271 case WM_CREATE: printf("WndProc: %p - create\n", hwnd); return 0;
272 case WM_CLOSE: printf("WndProc: %p - close\n", hwnd); return 0;
273 case WM_DESTROY: printf("WndProc: %p - destroy\n", hwnd); return 0;
274 case WM_HOTKEY: printf("WndProc: %p - hotkey\n", hwnd); return 0;
276 if (msg == shellhookid)
277 if (ShlProc(wParam, lParam, 0))
279 return DefWindowProc(hwnd, msg, wParam, lParam);
282 BOOL CALLBACK MonProc(HMONITOR mon, HDC dc, LPRECT rect, LPARAM _screens)
284 MONITORINFO info = {.cbSize=sizeof(MONITORINFO)};
285 GetMonitorInfo(mon, &info);
286 RECT *work = &info.rcWork;
288 list_t **screens = (list_t**)_screens;
289 win_t *screen = new0(win_t);
290 screen->x = work->left;
291 screen->y = work->top;
292 screen->w = work->right - work->left;
293 screen->h = work->bottom - work->top;
294 *screens = list_append(*screens, screen);
295 printf("mon_proc: %d,%d %dx%d\n",
296 screen->x, screen->y, screen->w, screen->h);
300 BOOL CALLBACK LoopProc(HWND hwnd, LPARAM user)
303 if ((win = win_find(hwnd,1)))
308 BOOL WINAPI CtrlProc(DWORD type)
314 /********************
316 ********************/
317 void sys_move(win_t *win, int x, int y, int w, int h)
319 printf("sys_move: %p - %d,%d %dx%d\n", win, x, y, w, h);
320 win->x = x; win->y = y;
321 win->w = MAX(w,1); win->h = MAX(h,1);
322 MoveWindow(win->sys->hwnd, win->x, win->y, win->w, win->h, TRUE);
325 void sys_raise(win_t *win)
327 printf("sys_raise: %p\n", win);
329 /* See note in sys_focus */
330 DWORD oldId = GetWindowThreadProcessId(GetForegroundWindow(), NULL);
331 DWORD newId = GetCurrentThreadId();
332 AttachThreadInput(oldId, newId, TRUE);
334 SetWindowPos(win->sys->hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
336 AttachThreadInput(oldId, newId, FALSE);
339 void sys_focus(win_t *win)
341 printf("sys_focus: %p\n", win);
343 /* Windows prevents a thread from using SetForegroundInput under
344 * certain circumstances and instead flashes the windows toolbar icon.
345 * Attaching the thread input queues avoids this behavior */
346 HWND fgWin = GetForegroundWindow();
347 if (fgWin == win->sys->hwnd)
348 return; // already focused
349 DWORD oldId = GetWindowThreadProcessId(fgWin, NULL);
350 DWORD newId = GetCurrentThreadId();
352 AttachThreadInput(oldId, newId, TRUE);
354 HWND next = GetWindow(win->sys->hwnd, GW_HWNDNEXT);
355 SetWindowPos(win->sys->hwnd, NULL, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
357 SetWindowPos(win->sys->hwnd, next, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
360 AttachThreadInput(oldId, newId, FALSE);
363 void sys_show(win_t *win, state_t state)
369 [st_show ] {"show" , SW_SHOW },
370 [st_full ] {"full" , SW_MAXIMIZE},
371 [st_shade] {"shade", SW_SHOW },
372 [st_icon ] {"icon" , SW_MINIMIZE},
373 [st_hide ] {"hide" , SW_HIDE },
375 if (win->state != state && win->state == st_shade)
376 SetWindowRgn(win->sys->hwnd, NULL, TRUE);
378 printf("sys_show: %s\n", map[state].str);
379 ShowWindow(win->sys->hwnd, map[state].cmd);
380 if (state == st_shade)
381 SetWindowRgn(win->sys->hwnd, CreateRectRgn(0,0,win->w,STACK), TRUE);
384 void sys_watch(win_t *win, Key_t key, mod_t mod)
387 //printf("sys_watch: %p\n", win);
390 void sys_unwatch(win_t *win, Key_t key, mod_t mod)
393 //printf("sys_unwatch: %p\n", win);
396 list_t *sys_info(win_t *win)
399 EnumDisplayMonitors(NULL, NULL, MonProc, (LPARAM)&screens);
403 win_t *sys_init(void)
405 HINSTANCE hInst = GetModuleHandle(NULL);
408 /* Load configuration */
409 NO_CAPTURE = conf_get_int("main.no-capture", NO_CAPTURE);
410 STACK = conf_get_int("main.stack", STACK);
412 /* Setup window class */
414 .cbSize = sizeof(WNDCLASSEX),
415 .lpfnWndProc = WndProc,
417 .lpszClassName = "wmpus_class",
419 if (!RegisterClassEx(&wc))
420 printf("sys_init: Error Registering Class - %lu\n", GetLastError());
424 SystemParametersInfo(SPI_GETWORKAREA, 0, &rc, 0);
426 /* Create shell hook window */
427 if (!(hwnd = CreateWindowEx(0, "wmpus_class", "wmpus", 0,
428 rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top,
429 HWND_MESSAGE, NULL, hInst, NULL)))
430 printf("sys_init: Error Creating Shell Hook Window - %lu\n", GetLastError());
432 /* Register shell hook */
433 BOOL (*RegisterShellHookWindow)(HWND) = (void*)GetProcAddress(
434 GetModuleHandle("USER32.DLL"), "RegisterShellHookWindow");
435 if (!RegisterShellHookWindow)
436 printf("sys_init: Error Finding RegisterShellHookWindow - %lu\n", GetLastError());
437 if (!RegisterShellHookWindow(hwnd))
438 printf("sys_init: Error Registering ShellHook Window - %lu\n", GetLastError());
439 shellhookid = RegisterWindowMessage("SHELLHOOK");
442 SetWindowsHookEx(WH_KEYBOARD_LL, KbdProc, hInst, 0);
443 SetWindowsHookEx(WH_MOUSE_LL, MllProc, hInst, 0);
444 //SetWindowsHookEx(WH_SHELL, ShlProc, hInst, 0);
446 /* Alternate ways to get input */
447 //if (!RegisterHotKey(hwnd, 123, MOD_CONTROL, VK_LBUTTON))
448 // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
449 //if (!RegisterHotKey(NULL, 123, MOD_CONTROL, VK_LBUTTON))
450 // printf("sys_init: Error Registering Hotkey - %lu\n", GetLastError());
452 /* Capture ctrl-c and console widnow close */
453 SetConsoleCtrlHandler(CtrlProc, TRUE);
455 return root = win_new(hwnd,0);
458 void sys_run(win_t *root)
462 EnumWindows(LoopProc, 0);
463 while (GetMessage(&msg, NULL, 0, 0) > 0 &&
464 msg.message != WM_QUIT) {
465 TranslateMessage(&msg);
466 DispatchMessage(&msg);
472 PostMessage(root->sys->hwnd, WM_QUIT, 0, 0);
475 void sys_free(win_t *root)
477 /* I don't really care about this
478 * since I don't know how to use
479 * valgrind on win32 anyway.. */