dlls/user32/tests/monitor.c

   1 /*
   2  * Unit tests for monitor APIs
   3  *
   4  * Copyright 2005 Huw Davies
   5  * Copyright 2008 Dmitry Timoshkov
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "wine/test.h"
  23 #include "winbase.h"
  24 #include "wingdi.h"
  25 #include "winuser.h"
  26
  27 static HMODULE hdll;
  28 static LONG (WINAPI *pChangeDisplaySettingsExA)(LPCSTR, LPDEVMODEA, HWND, DWORD, LPVOID);
  29 static LONG (WINAPI *pChangeDisplaySettingsExW)(LPCWSTR, LPDEVMODEW, HWND, DWORD, LPVOID);
  30 static BOOL (WINAPI *pEnumDisplayDevicesA)(LPCSTR,DWORD,LPDISPLAY_DEVICEA,DWORD);
  31 static BOOL (WINAPI *pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
  32 static BOOL (WINAPI *pGetMonitorInfoA)(HMONITOR,LPMONITORINFO);
  33 static HMONITOR (WINAPI *pMonitorFromPoint)(POINT,DWORD);
  34 static HMONITOR (WINAPI *pMonitorFromWindow)(HWND,DWORD);
  35
  36 static void init_function_pointers(void)
  37 {
  38     hdll = GetModuleHandleA("user32.dll");
  39
  40 #define GET_PROC(func) \
  41     p ## func = (void*)GetProcAddress(hdll, #func); \
  42     if(!p ## func) \
  43       trace("GetProcAddress(%s) failed\n", #func);
  44
  45     GET_PROC(ChangeDisplaySettingsExA)
  46     GET_PROC(ChangeDisplaySettingsExW)
  47     GET_PROC(EnumDisplayDevicesA)
  48     GET_PROC(EnumDisplayMonitors)
  49     GET_PROC(GetMonitorInfoA)
  50     GET_PROC(MonitorFromPoint)
  51     GET_PROC(MonitorFromWindow)
  52
  53 #undef GET_PROC
  54 }
  55
  56 static BOOL CALLBACK monitor_enum_proc(HMONITOR hmon, HDC hdc, LPRECT lprc,
  57                                        LPARAM lparam)
  58 {
  59     MONITORINFOEXA mi;
  60     char *primary = (char *)lparam;
  61
  62     mi.cbSize = sizeof(mi);
  63
  64     ok(pGetMonitorInfoA(hmon, (MONITORINFO*)&mi), "GetMonitorInfo failed\n");
  65     if (mi.dwFlags & MONITORINFOF_PRIMARY)
  66         strcpy(primary, mi.szDevice);
  67
  68     return TRUE;
  69 }
  70
  71 static void test_enumdisplaydevices(void)
  72 {
  73     DISPLAY_DEVICEA dd;
  74     char primary_device_name[32];
  75     char primary_monitor_device_name[32];
  76     DWORD primary_num = -1, num = 0;
  77     BOOL ret;
  78
  79     if (!pEnumDisplayDevicesA)
  80     {
  81         win_skip("EnumDisplayDevicesA is not available\n");
  82         return;
  83     }
  84
  85     dd.cb = sizeof(dd);
  86     while(1)
  87     {
  88         BOOL ret;
  89         HDC dc;
  90         ret = pEnumDisplayDevicesA(NULL, num, &dd, 0);
  91         if(!ret) break;
  92         if(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
  93         {
  94             strcpy(primary_device_name, dd.DeviceName);
  95             primary_num = num;
  96         }
  97         if(dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
  98         {
  99             /* test creating DC */
 100             dc = CreateDCA(dd.DeviceName, NULL, NULL, NULL);
 101             ok(dc != NULL, "Failed to CreateDC(\"%s\") err=%d\n", dd.DeviceName, GetLastError());
 102             DeleteDC(dc);
 103         }
 104         num++;
 105     }
 106
 107     if (primary_num == -1 || !pEnumDisplayMonitors || !pGetMonitorInfoA)
 108     {
 109         win_skip("EnumDisplayMonitors or GetMonitorInfoA are not available\n");
 110         return;
 111     }
 112
 113     primary_monitor_device_name[0] = 0;
 114     ret = pEnumDisplayMonitors(NULL, NULL, monitor_enum_proc, (LPARAM)primary_monitor_device_name);
 115     ok(ret, "EnumDisplayMonitors failed\n");
 116     ok(!strcmp(primary_monitor_device_name, primary_device_name),
 117        "monitor device name %s, device name %s\n", primary_monitor_device_name,
 118        primary_device_name);
 119 }
 120
 121 struct vid_mode
 122 {
 123     DWORD w, h, bpp, freq, fields;
 124     BOOL must_succeed;
 125 };
 126
 127 static const struct vid_mode vid_modes_test[] = {
 128     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY, 1},
 129     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT |                 DM_DISPLAYFREQUENCY, 1},
 130     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL                      , 1},
 131     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT                                      , 1},
 132     {640, 480, 0, 0,                                DM_BITSPERPEL                      , 0},
 133     {640, 480, 0, 0,                                                DM_DISPLAYFREQUENCY, 0},
 134
 135     {0, 0, 0, 0, DM_PELSWIDTH, 0},
 136     {0, 0, 0, 0, DM_PELSHEIGHT, 0},
 137
 138     {640, 480, 0, 0, DM_PELSWIDTH, 0},
 139     {640, 480, 0, 0, DM_PELSHEIGHT, 0},
 140     {  0, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 141     {640,   0, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 142
 143     /* the following test succeeds under XP SP3
 144     {0, 0, 0, 0, DM_DISPLAYFREQUENCY, 0}
 145     */
 146 };
 147 #define vid_modes_cnt (sizeof(vid_modes_test) / sizeof(vid_modes_test[0]))
 148
 149 static void test_ChangeDisplaySettingsEx(void)
 150 {
 151     DEVMODEA dm;
 152     DEVMODEW dmW;
 153     DWORD width;
 154     LONG res;
 155     int i;
 156
 157     if (!pChangeDisplaySettingsExA)
 158     {
 159         win_skip("ChangeDisplaySettingsExA is not available\n");
 160         return;
 161     }
 162
 163     SetLastError(0xdeadbeef);
 164     res = EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
 165     ok(res, "EnumDisplaySettings error %u\n", GetLastError());
 166
 167     width = dm.dmPelsWidth;
 168
 169     dm.dmDriverExtra = 1;
 170     res = ChangeDisplaySettingsA(&dm, CDS_TEST);
 171     ok(res == DISP_CHANGE_SUCCESSFUL,
 172        "ChangeDisplaySettingsA returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 173     ok(dm.dmDriverExtra == 0 || broken(dm.dmDriverExtra == 1) /* win9x */,
 174        "ChangeDisplaySettingsA didn't reset dmDriverExtra to 0\n");
 175
 176     /* crashes under XP SP3 for large dmDriverExtra values */
 177     dm.dmDriverExtra = 1;
 178     res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 179     ok(res == DISP_CHANGE_SUCCESSFUL,
 180        "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_BADMODE\n", res);
 181     ok(dm.dmDriverExtra == 1, "ChangeDisplaySettingsExA shouldn't reset dmDriverExtra to 0\n");
 182
 183     memset(&dmW, 0, sizeof(dmW));
 184     dmW.dmSize = sizeof(dmW);
 185     dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 186     dmW.dmPelsWidth = dm.dmPelsWidth;
 187     dmW.dmPelsHeight = dm.dmPelsHeight;
 188     dmW.dmDriverExtra = 1;
 189     SetLastError(0xdeadbeef);
 190     res = ChangeDisplaySettingsW(&dmW, CDS_TEST);
 191     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 192     {
 193         ok(res == DISP_CHANGE_SUCCESSFUL,
 194            "ChangeDisplaySettingsW returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 195         ok(dmW.dmDriverExtra == 0, "ChangeDisplaySettingsW didn't reset dmDriverExtra to 0\n");
 196     }
 197
 198     /* Apparently XP treats dmDriverExtra being != 0 as an error */
 199     dmW.dmDriverExtra = 1;
 200     res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
 201     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 202     {
 203         ok(res == DISP_CHANGE_SUCCESSFUL,
 204            "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_BADMODE\n", res);
 205         ok(dmW.dmDriverExtra == 1, "ChangeDisplaySettingsExW shouldn't reset dmDriverExtra to 0\n");
 206     }
 207
 208     /* the following 2 tests show that dm.dmSize being 0 is invalid, but
 209      * ChangeDisplaySettingsExA still reports success.
 210      */
 211     memset(&dm, 0, sizeof(dm));
 212     dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 213     dm.dmPelsWidth = width;
 214     res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 215     ok(res == DISP_CHANGE_SUCCESSFUL ||
 216        res == DISP_CHANGE_BADMODE || /* Win98, WinMe */
 217        res == DISP_CHANGE_FAILED, /* NT4 */
 218        "ChangeDisplaySettingsExA returned unexpected %d\n", res);
 219
 220     memset(&dmW, 0, sizeof(dmW));
 221     dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 222     dmW.dmPelsWidth = width;
 223     SetLastError(0xdeadbeef);
 224     res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
 225     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 226         ok(res == DISP_CHANGE_FAILED ||
 227            res == DISP_CHANGE_BADPARAM ||  /* NT4 */
 228            res == DISP_CHANGE_BADMODE /* XP SP3 */,
 229            "ChangeDisplaySettingsExW returned %d\n", res);
 230
 231     memset(&dm, 0, sizeof(dm));
 232     dm.dmSize = sizeof(dm);
 233
 234     for (i = 0; i < vid_modes_cnt; i++)
 235     {
 236         dm.dmPelsWidth        = vid_modes_test[i].w;
 237         dm.dmPelsHeight       = vid_modes_test[i].h;
 238         dm.dmBitsPerPel       = vid_modes_test[i].bpp;
 239         dm.dmDisplayFrequency = vid_modes_test[i].freq;
 240         dm.dmFields           = vid_modes_test[i].fields;
 241         res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 242         ok(vid_modes_test[i].must_succeed ?
 243            (res == DISP_CHANGE_SUCCESSFUL || res == DISP_CHANGE_RESTART) :
 244            (res == DISP_CHANGE_SUCCESSFUL || res == DISP_CHANGE_RESTART ||
 245             res == DISP_CHANGE_BADMODE || res == DISP_CHANGE_BADPARAM),
 246            "Unexpected ChangeDisplaySettingsEx() return code for resolution[%d]: %d\n", i, res);
 247
 248         if (res == DISP_CHANGE_SUCCESSFUL)
 249         {
 250             RECT r, r1, virt;
 251
 252             SetRect(&virt, 0, 0, GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN));
 253             if (IsRectEmpty(&virt))  /* NT4 doesn't have SM_CX/YVIRTUALSCREEN */
 254                 SetRect(&virt, 0, 0, GetSystemMetrics(SM_CXSCREEN), GetSystemMetrics(SM_CYSCREEN));
 255             OffsetRect(&virt, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN));
 256
 257             /* Resolution change resets clip rect */
 258             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 259             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 260
 261             if (!ClipCursor(NULL)) continue;
 262             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 263             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 264
 265             /* This should always work. Primary monitor is at (0,0) */
 266             SetRect(&r1, 10, 10, 20, 20);
 267             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 268             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 269             ok(EqualRect(&r, &r1), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 270             SetRect(&r1, 10, 10, 10, 10);
 271             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 272             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 273             ok(EqualRect(&r, &r1), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 274             SetRect(&r1, 10, 10, 10, 9);
 275             ok(!ClipCursor(&r1), "ClipCursor() succeeded\n");
 276             /* Windows bug: further clipping fails once an empty rect is set, so we have to reset it */
 277             ClipCursor(NULL);
 278
 279             SetRect(&r1, virt.left - 10, virt.top - 10, virt.right + 20, virt.bottom + 20);
 280             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 281             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 282             ok(EqualRect(&r, &virt) ||
 283                broken(EqualRect(&r, &r1)) /* win9x */,
 284                "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 285             ClipCursor(&virt);
 286         }
 287     }
 288     res = pChangeDisplaySettingsExA(NULL, NULL, NULL, CDS_RESET, NULL);
 289     ok(res == DISP_CHANGE_SUCCESSFUL, "Failed to reset default resolution: %d\n", res);
 290 }
 291
 292 static void test_monitors(void)
 293 {
 294     HMONITOR monitor, primary;
 295     POINT pt;
 296
 297     if (!pMonitorFromPoint || !pMonitorFromWindow)
 298     {
 299         win_skip("MonitorFromPoint or MonitorFromWindow are not available\n");
 300         return;
 301     }
 302
 303     pt.x = pt.y = 0;
 304     primary = pMonitorFromPoint( pt, MONITOR_DEFAULTTOPRIMARY );
 305     ok( primary != 0, "couldn't get primary monitor\n" );
 306
 307     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONULL );
 308     ok( !monitor, "got %p, should not get a monitor for an invalid window\n", monitor );
 309     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY );
 310     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTOPRIMARY\n", monitor, primary );
 311     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONEAREST );
 312     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTONEAREST\n", monitor, primary );
 313 }
 314
 315 static BOOL CALLBACK find_primary_mon(HMONITOR hmon, HDC hdc, LPRECT rc, LPARAM lp)
 316 {
 317     MONITORINFO mi;
 318     BOOL ret;
 319
 320     mi.cbSize = sizeof(mi);
 321     ret = pGetMonitorInfoA(hmon, &mi);
 322     ok(ret, "GetMonitorInfo failed\n");
 323     if (mi.dwFlags & MONITORINFOF_PRIMARY)
 324     {
 325         *(HMONITOR *)lp = hmon;
 326         return FALSE;
 327     }
 328     return TRUE;
 329 }
 330
 331 static void test_work_area(void)
 332 {
 333     HMONITOR hmon;
 334     MONITORINFO mi;
 335     RECT rc_work, rc_normal;
 336     HWND hwnd;
 337     WINDOWPLACEMENT wp;
 338     BOOL ret;
 339
 340     if (!pEnumDisplayMonitors || !pGetMonitorInfoA)
 341     {
 342         win_skip("EnumDisplayMonitors or GetMonitorInfoA are not available\n");
 343         return;
 344     }
 345
 346     hmon = 0;
 347     ret = pEnumDisplayMonitors(NULL, NULL, find_primary_mon, (LPARAM)&hmon);
 348     ok(!ret && hmon != 0, "Failed to find primary monitor\n");
 349
 350     mi.cbSize = sizeof(mi);
 351     SetLastError(0xdeadbeef);
 352     ret = pGetMonitorInfoA(hmon, &mi);
 353     ok(ret, "GetMonitorInfo error %u\n", GetLastError());
 354     ok(mi.dwFlags & MONITORINFOF_PRIMARY, "not a primary monitor\n");
 355     trace("primary monitor (%d,%d-%d,%d)\n",
 356         mi.rcMonitor.left, mi.rcMonitor.top, mi.rcMonitor.right, mi.rcMonitor.bottom);
 357
 358     SetLastError(0xdeadbeef);
 359     ret = SystemParametersInfo(SPI_GETWORKAREA, 0, &rc_work, 0);
 360     ok(ret, "SystemParametersInfo error %u\n", GetLastError());
 361     trace("work area (%d,%d-%d,%d)\n", rc_work.left, rc_work.top, rc_work.right, rc_work.bottom);
 362     ok(EqualRect(&rc_work, &mi.rcWork), "work area is different\n");
 363
 364     hwnd = CreateWindowEx(0, "static", NULL, WS_OVERLAPPEDWINDOW|WS_VISIBLE,100,100,10,10,0,0,0,NULL);
 365     ok(hwnd != 0, "CreateWindowEx failed\n");
 366
 367     ret = GetWindowRect(hwnd, &rc_normal);
 368     ok(ret, "GetWindowRect failed\n");
 369     trace("normal (%d,%d-%d,%d)\n", rc_normal.left, rc_normal.top, rc_normal.right, rc_normal.bottom);
 370
 371     wp.length = sizeof(wp);
 372     ret = GetWindowPlacement(hwnd, &wp);
 373     ok(ret, "GetWindowPlacement failed\n");
 374     trace("min: %d,%d max %d,%d normal %d,%d-%d,%d\n",
 375           wp.ptMinPosition.x, wp.ptMinPosition.y,
 376           wp.ptMaxPosition.x, wp.ptMaxPosition.y,
 377           wp.rcNormalPosition.left, wp.rcNormalPosition.top,
 378           wp.rcNormalPosition.right, wp.rcNormalPosition.bottom);
 379     OffsetRect(&wp.rcNormalPosition, rc_work.left, rc_work.top);
 380     if (mi.rcMonitor.left != mi.rcWork.left ||
 381         mi.rcMonitor.top != mi.rcWork.top)  /* FIXME: remove once Wine is fixed */
 382         todo_wine ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 383     else
 384         ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 385
 386     SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
 387
 388     wp.length = sizeof(wp);
 389     ret = GetWindowPlacement(hwnd, &wp);
 390     ok(ret, "GetWindowPlacement failed\n");
 391     trace("min: %d,%d max %d,%d normal %d,%d-%d,%d\n",
 392           wp.ptMinPosition.x, wp.ptMinPosition.y,
 393           wp.ptMaxPosition.x, wp.ptMaxPosition.y,
 394           wp.rcNormalPosition.left, wp.rcNormalPosition.top,
 395           wp.rcNormalPosition.right, wp.rcNormalPosition.bottom);
 396     ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 397
 398     DestroyWindow(hwnd);
 399 }
 400
 401 START_TEST(monitor)
 402 {
 403     init_function_pointers();
 404     test_enumdisplaydevices();
 405     test_ChangeDisplaySettingsEx();
 406     test_monitors();
 407     test_work_area();
 408 }