dlls/shell32/tests/appbar.c

   1 /* Unit tests for appbars
   2  *
   3  * Copyright 2008 Vincent Povirk for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <assert.h>
  21 #include <stdarg.h>
  22
  23 #include <windows.h>
  24
  25 #include "wine/test.h"
  26
  27 #define MSG_APPBAR WM_APP
  28
  29 static const CHAR testwindow_class[] = "testwindow";
  30
  31 static HMONITOR (WINAPI *pMonitorFromWindow)(HWND, DWORD);
  32
  33 typedef BOOL (*boolean_function)(void);
  34
  35 struct testwindow_info
  36 {
  37     HWND hwnd;
  38     BOOL registered;
  39     RECT desired_rect;
  40     UINT edge;
  41     RECT allocated_rect;
  42 };
  43
  44 static struct testwindow_info windows[3];
  45
  46 static int expected_bottom;
  47
  48 static void testwindow_setpos(HWND hwnd)
  49 {
  50     struct testwindow_info* info = (struct testwindow_info*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
  51     APPBARDATA abd;
  52     BOOL ret;
  53
  54     ok(info != NULL, "got unexpected ABN_POSCHANGED notification\n");
  55
  56     if (!info || !info->registered)
  57     {
  58         return;
  59     }
  60
  61     abd.cbSize = sizeof(abd);
  62     abd.hWnd = hwnd;
  63     abd.uEdge = info->edge;
  64     abd.rc = info->desired_rect;
  65     ret = SHAppBarMessage(ABM_QUERYPOS, &abd);
  66     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
  67     switch (info->edge)
  68     {
  69         case ABE_BOTTOM:
  70             ok(info->desired_rect.top == abd.rc.top, "ABM_QUERYPOS changed top of rect from %i to %i\n", info->desired_rect.top, abd.rc.top);
  71             abd.rc.top = abd.rc.bottom - (info->desired_rect.bottom - info->desired_rect.top);
  72             break;
  73         case ABE_LEFT:
  74             ok(info->desired_rect.right == abd.rc.right, "ABM_QUERYPOS changed right of rect from %i to %i\n", info->desired_rect.top, abd.rc.top);
  75             abd.rc.right = abd.rc.left + (info->desired_rect.right - info->desired_rect.left);
  76             break;
  77         case ABE_RIGHT:
  78             ok(info->desired_rect.left == abd.rc.left, "ABM_QUERYPOS changed left of rect from %i to %i\n", info->desired_rect.top, abd.rc.top);
  79             abd.rc.left = abd.rc.right - (info->desired_rect.right - info->desired_rect.left);
  80             break;
  81         case ABE_TOP:
  82             ok(info->desired_rect.bottom == abd.rc.bottom, "ABM_QUERYPOS changed bottom of rect from %i to %i\n", info->desired_rect.top, abd.rc.top);
  83             abd.rc.bottom = abd.rc.top + (info->desired_rect.bottom - info->desired_rect.top);
  84             break;
  85     }
  86
  87     ret = SHAppBarMessage(ABM_SETPOS, &abd);
  88     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
  89
  90     info->allocated_rect = abd.rc;
  91     MoveWindow(hwnd, abd.rc.left, abd.rc.top, abd.rc.right-abd.rc.left, abd.rc.bottom-abd.rc.top, TRUE);
  92 }
  93
  94 static LRESULT CALLBACK testwindow_wndproc(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
  95 {
  96     switch(msg)
  97     {
  98         case MSG_APPBAR:
  99         {
 100             switch(wparam)
 101             {
 102                 case ABN_POSCHANGED:
 103                     testwindow_setpos(hwnd);
 104                     break;
 105             }
 106             return 0;
 107         }
 108     }
 109
 110     return DefWindowProc(hwnd, msg, wparam, lparam);
 111 }
 112
 113 /* process pending messages until a condition is true or 3 seconds pass */
 114 static void do_events_until(boolean_function test)
 115 {
 116     MSG msg;
 117     UINT_PTR timerid;
 118     BOOL timedout=FALSE;
 119
 120     timerid = SetTimer(0, 0, 3000, NULL);
 121
 122     while (1)
 123     {
 124         while (PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE))
 125         {
 126             if (msg.hwnd == 0 && msg.message == WM_TIMER && msg.wParam == timerid)
 127                 timedout = TRUE;
 128             TranslateMessage(&msg);
 129             DispatchMessageA(&msg);
 130         }
 131         if (timedout || test())
 132             break;
 133         WaitMessage();
 134     }
 135
 136     KillTimer(0, timerid);
 137 }
 138
 139 /* process any pending messages */
 140 static void do_events(void)
 141 {
 142     MSG msg;
 143
 144     while (PeekMessageA(&msg, NULL, 0, 0, PM_REMOVE))
 145     {
 146         TranslateMessage(&msg);
 147         DispatchMessageA(&msg);
 148     }
 149 }
 150
 151 static BOOL no_appbars_intersect(void)
 152 {
 153     int i, j;
 154     RECT rc;
 155
 156     for (i=0; i<2; i++)
 157     {
 158         for (j=i+1; j<3; j++)
 159         {
 160             if (windows[i].registered && windows[j].registered &&
 161                 IntersectRect(&rc, &windows[i].allocated_rect, &windows[j].allocated_rect))
 162                 return FALSE;
 163         }
 164     }
 165     return TRUE;
 166 }
 167
 168 static BOOL got_expected_bottom(void)
 169 {
 170     return (no_appbars_intersect() && windows[1].allocated_rect.bottom == expected_bottom);
 171 }
 172
 173 static void register_testwindow_class(void)
 174 {
 175     WNDCLASSEXA cls;
 176
 177     ZeroMemory(&cls, sizeof(cls));
 178     cls.cbSize = sizeof(cls);
 179     cls.style = 0;
 180     cls.lpfnWndProc = testwindow_wndproc;
 181     cls.hInstance = NULL;
 182     cls.hCursor = LoadCursor(0, IDC_ARROW);
 183     cls.hbrBackground = (HBRUSH) COLOR_WINDOW;
 184     cls.lpszClassName = testwindow_class;
 185
 186     RegisterClassExA(&cls);
 187 }
 188
 189 #define test_window_rects(a, b) \
 190     ok(!IntersectRect(&rc, &windows[a].allocated_rect, &windows[b].allocated_rect), \
 191         "rectangles intersect (%i,%i,%i,%i)/(%i,%i,%i,%i)\n", \
 192         windows[a].allocated_rect.left, windows[a].allocated_rect.top, windows[a].allocated_rect.right, windows[a].allocated_rect.bottom, \
 193         windows[b].allocated_rect.left, windows[b].allocated_rect.top, windows[b].allocated_rect.right, windows[b].allocated_rect.bottom)
 194
 195 static void test_setpos(void)
 196 {
 197     APPBARDATA abd;
 198     RECT rc;
 199     int screen_width, screen_height;
 200     BOOL ret;
 201
 202     screen_width = GetSystemMetrics(SM_CXSCREEN);
 203     screen_height = GetSystemMetrics(SM_CYSCREEN);
 204
 205     /* create and register windows[0] */
 206     windows[0].hwnd = CreateWindowExA(WS_EX_TOOLWINDOW|WS_EX_TOPMOST,
 207         testwindow_class, testwindow_class, WS_POPUP|WS_VISIBLE, 0, 0, 0, 0,
 208         NULL, NULL, NULL, NULL);
 209     ok(windows[0].hwnd != NULL, "couldn't create window\n");
 210     do_events();
 211     abd.cbSize = sizeof(abd);
 212     abd.hWnd = windows[0].hwnd;
 213     abd.uCallbackMessage = MSG_APPBAR;
 214     ret = SHAppBarMessage(ABM_NEW, &abd);
 215     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 216
 217     /* ABM_NEW should return FALSE if the window is already registered */
 218     ret = SHAppBarMessage(ABM_NEW, &abd);
 219     ok(ret == FALSE, "SHAppBarMessage returned %i\n", ret);
 220     do_events();
 221
 222     /* dock windows[0] to the bottom of the screen */
 223     windows[0].registered = TRUE;
 224     windows[0].edge = ABE_BOTTOM;
 225     windows[0].desired_rect.left = 0;
 226     windows[0].desired_rect.right = screen_width;
 227     windows[0].desired_rect.top = screen_height - 15;
 228     windows[0].desired_rect.bottom = screen_height;
 229     SetWindowLongPtr(windows[0].hwnd, GWLP_USERDATA, (LONG_PTR)&windows[0]);
 230     testwindow_setpos(windows[0].hwnd);
 231     do_events();
 232
 233     /* create and register windows[1] */
 234     windows[1].hwnd = CreateWindowExA(WS_EX_TOOLWINDOW|WS_EX_TOPMOST,
 235         testwindow_class, testwindow_class, WS_POPUP|WS_VISIBLE, 0, 0, 0, 0,
 236         NULL, NULL, NULL, NULL);
 237     ok(windows[1].hwnd != NULL, "couldn't create window\n");
 238     abd.hWnd = windows[1].hwnd;
 239     ret = SHAppBarMessage(ABM_NEW, &abd);
 240     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 241
 242     /* dock windows[1] to the bottom of the screen */
 243     windows[1].registered = TRUE;
 244     windows[1].edge = ABE_BOTTOM;
 245     windows[1].desired_rect.left = 0;
 246     windows[1].desired_rect.right = screen_width;
 247     windows[1].desired_rect.top = screen_height - 10;
 248     windows[1].desired_rect.bottom = screen_height;
 249     SetWindowLongPtr(windows[1].hwnd, GWLP_USERDATA, (LONG_PTR)&windows[1]);
 250     testwindow_setpos(windows[1].hwnd);
 251
 252     /* the windows are adjusted to they don't overlap */
 253     do_events_until(no_appbars_intersect);
 254     test_window_rects(0, 1);
 255
 256     /* make windows[0] larger, forcing windows[1] to move out of its way */
 257     windows[0].desired_rect.top = screen_height - 20;
 258     testwindow_setpos(windows[0].hwnd);
 259     do_events_until(no_appbars_intersect);
 260     test_window_rects(0, 1);
 261
 262     /* create and register windows[2] */
 263     windows[2].hwnd = CreateWindowExA(WS_EX_TOOLWINDOW|WS_EX_TOPMOST,
 264         testwindow_class, testwindow_class, WS_POPUP|WS_VISIBLE, 0, 0, 0, 0,
 265         NULL, NULL, NULL, NULL);
 266     ok(windows[2].hwnd != NULL, "couldn't create window\n");
 267     do_events();
 268
 269     abd.hWnd = windows[2].hwnd;
 270     ret = SHAppBarMessage(ABM_NEW, &abd);
 271     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 272
 273     /* dock windows[2] to the bottom of the screen */
 274     windows[2].registered = TRUE;
 275     windows[2].edge = ABE_BOTTOM;
 276     windows[2].desired_rect.left = 0;
 277     windows[2].desired_rect.right = screen_width;
 278     windows[2].desired_rect.top = screen_height - 10;
 279     windows[2].desired_rect.bottom = screen_height;
 280     SetWindowLongPtr(windows[2].hwnd, GWLP_USERDATA, (LONG_PTR)&windows[2]);
 281     testwindow_setpos(windows[2].hwnd);
 282
 283     do_events_until(no_appbars_intersect);
 284     test_window_rects(0, 1);
 285     test_window_rects(0, 2);
 286     test_window_rects(1, 2);
 287
 288     /* move windows[2] to the right side of the screen */
 289     windows[2].edge = ABE_RIGHT;
 290     windows[2].desired_rect.left = screen_width - 15;
 291     windows[2].desired_rect.right = screen_width;
 292     windows[2].desired_rect.top = 0;
 293     windows[2].desired_rect.bottom = screen_height;
 294     testwindow_setpos(windows[2].hwnd);
 295
 296     do_events_until(no_appbars_intersect);
 297     test_window_rects(0, 1);
 298     test_window_rects(0, 2);
 299     test_window_rects(1, 2);
 300
 301     /* move windows[1] to the top of the screen */
 302     windows[1].edge = ABE_TOP;
 303     windows[1].desired_rect.left = 0;
 304     windows[1].desired_rect.right = screen_width;
 305     windows[1].desired_rect.top = 0;
 306     windows[1].desired_rect.bottom = 15;
 307     testwindow_setpos(windows[1].hwnd);
 308
 309     do_events_until(no_appbars_intersect);
 310     test_window_rects(0, 1);
 311     test_window_rects(0, 2);
 312     test_window_rects(1, 2);
 313
 314     /* move windows[1] back to the bottom of the screen */
 315     windows[1].edge = ABE_BOTTOM;
 316     windows[1].desired_rect.left = 0;
 317     windows[1].desired_rect.right = screen_width;
 318     windows[1].desired_rect.top = screen_height - 10;
 319     windows[1].desired_rect.bottom = screen_height;
 320     testwindow_setpos(windows[1].hwnd);
 321
 322     do_events_until(no_appbars_intersect);
 323     test_window_rects(0, 1);
 324     test_window_rects(0, 2);
 325     test_window_rects(1, 2);
 326
 327     /* removing windows[0] will cause windows[1] to move down into its space */
 328     expected_bottom = max(windows[0].allocated_rect.bottom, windows[1].allocated_rect.bottom);
 329
 330     abd.hWnd = windows[0].hwnd;
 331     ret = SHAppBarMessage(ABM_REMOVE, &abd);
 332     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 333     windows[0].registered = FALSE;
 334     DestroyWindow(windows[0].hwnd);
 335
 336     do_events_until(got_expected_bottom);
 337
 338     ok(windows[1].allocated_rect.bottom = expected_bottom, "windows[1]'s bottom is %i, expected %i\n", windows[1].allocated_rect.bottom, expected_bottom);
 339
 340     test_window_rects(1, 2);
 341
 342     /* remove the other windows */
 343     SetWindowLongPtr(windows[1].hwnd, GWLP_USERDATA, 0);
 344     abd.hWnd = windows[1].hwnd;
 345     ret = SHAppBarMessage(ABM_REMOVE, &abd);
 346     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 347     windows[1].registered = FALSE;
 348     DestroyWindow(windows[1].hwnd);
 349
 350     SetWindowLongPtr(windows[2].hwnd, GWLP_USERDATA, 0);
 351     abd.hWnd = windows[2].hwnd;
 352     ret = SHAppBarMessage(ABM_REMOVE, &abd);
 353     ok(ret == TRUE, "SHAppBarMessage returned %i\n", ret);
 354     windows[2].registered = FALSE;
 355     DestroyWindow(windows[2].hwnd);
 356 }
 357
 358 static void test_appbarget(void)
 359 {
 360     APPBARDATA abd;
 361     HWND hwnd, foregnd;
 362     UINT_PTR ret;
 363
 364     memset(&abd, 0xcc, sizeof(abd));
 365     abd.cbSize = sizeof(abd);
 366     abd.uEdge = ABE_BOTTOM;
 367
 368     hwnd = (HWND)SHAppBarMessage(ABM_GETAUTOHIDEBAR, &abd);
 369     ok(hwnd == NULL || IsWindow(hwnd), "ret %p which is not a window\n", hwnd);
 370     ok(abd.hWnd == (HWND)0xcccccccc, "hWnd overwritten\n");
 371
 372     if (!pMonitorFromWindow)
 373     {
 374         skip("MonitorFromWindow is not available\n");
 375     }
 376     else
 377     {
 378         /* Presumably one can pass a hwnd with ABM_GETAUTOHIDEBAR to specify a monitor.
 379            Pass the foreground window and check */
 380         foregnd = GetForegroundWindow();
 381         if(foregnd)
 382         {
 383             abd.hWnd = foregnd;
 384             hwnd = (HWND)SHAppBarMessage(ABM_GETAUTOHIDEBAR, &abd);
 385             ok(hwnd == NULL || IsWindow(hwnd), "ret %p which is not a window\n", hwnd);
 386             ok(abd.hWnd == foregnd, "hWnd overwritten\n");
 387             if(hwnd)
 388             {
 389                 HMONITOR appbar_mon, foregnd_mon;
 390                 appbar_mon = pMonitorFromWindow(hwnd, MONITOR_DEFAULTTONEAREST);
 391                 foregnd_mon = pMonitorFromWindow(foregnd, MONITOR_DEFAULTTONEAREST);
 392                 ok(appbar_mon == foregnd_mon, "Windows on different monitors\n");
 393             }
 394         }
 395     }
 396
 397     memset(&abd, 0xcc, sizeof(abd));
 398     abd.cbSize = sizeof(abd);
 399     ret = SHAppBarMessage(ABM_GETTASKBARPOS, &abd);
 400     if(ret)
 401     {
 402         ok(abd.hWnd == (HWND)0xcccccccc, "hWnd overwritten\n");
 403 todo_wine
 404 {
 405         ok(abd.uEdge <= ABE_BOTTOM, "uEdge not returned\n");
 406         ok(abd.rc.left != 0xcccccccc, "rc not updated\n");
 407 }
 408     }
 409
 410     return;
 411 }
 412
 413 START_TEST(appbar)
 414 {
 415     HMODULE huser32;
 416
 417     huser32 = GetModuleHandleA("user32.dll");
 418     pMonitorFromWindow = (void*)GetProcAddress(huser32, "MonitorFromWindow");
 419
 420     register_testwindow_class();
 421
 422     test_setpos();
 423     test_appbarget();
 424 }