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         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         ok(ret || num != 0, "EnumDisplayDevices fails with num == 0\n");
  92         if(!ret) break;
  93         if(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
  94         {
  95             strcpy(primary_device_name, dd.DeviceName);
  96             primary_num = num;
  97         }
  98         if(dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
  99         {
 100             /* test creating DC */
 101             dc = CreateDCA(dd.DeviceName, NULL, NULL, NULL);
 102             ok(dc != NULL, "Failed to CreateDC(\"%s\") err=%d\n", dd.DeviceName, GetLastError());
 103             DeleteDC(dc);
 104         }
 105         num++;
 106     }
 107     ok(primary_num != -1, "Didn't get the primary device\n");
 108
 109     if (!pEnumDisplayMonitors || !pGetMonitorInfoA)
 110     {
 111         skip("EnumDisplayMonitors or GetMonitorInfoA are not available\n");
 112         return;
 113     }
 114
 115     primary_monitor_device_name[0] = 0;
 116     ret = pEnumDisplayMonitors(NULL, NULL, monitor_enum_proc, (LPARAM)primary_monitor_device_name);
 117     ok(ret, "EnumDisplayMonitors failed\n");
 118     ok(!strcmp(primary_monitor_device_name, primary_device_name),
 119        "monitor device name %s, device name %s\n", primary_monitor_device_name,
 120        primary_device_name);
 121 }
 122
 123 struct vid_mode
 124 {
 125     DWORD w, h, bpp, freq, fields;
 126     BOOL must_succeed;
 127 };
 128
 129 static const struct vid_mode vid_modes_test[] = {
 130     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY, 1},
 131     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT |                 DM_DISPLAYFREQUENCY, 1},
 132     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL                      , 1},
 133     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT                                      , 1},
 134     {640, 480, 0, 0,                                DM_BITSPERPEL                      , 0},
 135     {640, 480, 0, 0,                                                DM_DISPLAYFREQUENCY, 0},
 136
 137     {0, 0, 0, 0, DM_PELSWIDTH, 0},
 138     {0, 0, 0, 0, DM_PELSHEIGHT, 0},
 139
 140     {640, 480, 0, 0, DM_PELSWIDTH, 0},
 141     {640, 480, 0, 0, DM_PELSHEIGHT, 0},
 142     {  0, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 143     {640,   0, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 144
 145     /* the following test succeeds under XP SP3
 146     {0, 0, 0, 0, DM_DISPLAYFREQUENCY, 0}
 147     */
 148 };
 149 #define vid_modes_cnt (sizeof(vid_modes_test) / sizeof(vid_modes_test[0]))
 150
 151 static void test_ChangeDisplaySettingsEx(void)
 152 {
 153     DEVMODEA dm;
 154     DEVMODEW dmW;
 155     DWORD width;
 156     LONG res;
 157     int i;
 158
 159     if (!pChangeDisplaySettingsExA)
 160     {
 161         skip("ChangeDisplaySettingsExA is not available\n");
 162         return;
 163     }
 164
 165     SetLastError(0xdeadbeef);
 166     res = EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
 167     ok(res, "EnumDisplaySettings error %u\n", GetLastError());
 168
 169     width = dm.dmPelsWidth;
 170
 171     dm.dmDriverExtra = 1;
 172     res = ChangeDisplaySettingsA(&dm, CDS_TEST);
 173     ok(res == DISP_CHANGE_SUCCESSFUL,
 174        "ChangeDisplaySettingsA returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 175     ok(dm.dmDriverExtra == 0, "ChangeDisplaySettingsA didn't reset dmDriverExtra to 0\n");
 176
 177     /* crashes under XP SP3 for large dmDriverExtra values */
 178     dm.dmDriverExtra = 1;
 179     res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 180     ok(res == DISP_CHANGE_SUCCESSFUL,
 181        "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_BADMODE\n", res);
 182     ok(dm.dmDriverExtra == 1, "ChangeDisplaySettingsExA shouldn't reset dmDriverExtra to 0\n");
 183
 184     memset(&dmW, 0, sizeof(dmW));
 185     dmW.dmSize = sizeof(dmW);
 186     dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 187     dmW.dmPelsWidth = dm.dmPelsWidth;
 188     dmW.dmPelsHeight = dm.dmPelsHeight;
 189     dmW.dmDriverExtra = 1;
 190     SetLastError(0xdeadbeef);
 191     res = ChangeDisplaySettingsW(&dmW, CDS_TEST);
 192     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 193     {
 194         ok(res == DISP_CHANGE_SUCCESSFUL,
 195            "ChangeDisplaySettingsW returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 196         ok(dmW.dmDriverExtra == 0, "ChangeDisplaySettingsW didn't reset dmDriverExtra to 0\n");
 197     }
 198
 199     /* Apparently XP treats dmDriverExtra being != 0 as an error */
 200     dmW.dmDriverExtra = 1;
 201     res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
 202     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 203     {
 204         ok(res == DISP_CHANGE_SUCCESSFUL,
 205            "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_BADMODE\n", res);
 206         ok(dmW.dmDriverExtra == 1, "ChangeDisplaySettingsExW shouldn't reset dmDriverExtra to 0\n");
 207     }
 208
 209     /* the following 2 tests show that dm.dmSize being 0 is invalid, but
 210      * ChangeDisplaySettingsExA still reports success.
 211      */
 212     memset(&dm, 0, sizeof(dm));
 213     dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 214     dm.dmPelsWidth = width;
 215     res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 216     ok(res == DISP_CHANGE_SUCCESSFUL,
 217        "ChangeDisplaySettingsExA returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 218
 219     memset(&dmW, 0, sizeof(dmW));
 220     dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 221     dmW.dmPelsWidth = width;
 222     SetLastError(0xdeadbeef);
 223     res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
 224     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 225         ok(res == DISP_CHANGE_FAILED ||
 226            res == DISP_CHANGE_BADMODE /* XP SP3 */,
 227            "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_FAILED or DISP_CHANGE_BADMODE\n", res);
 228
 229     memset(&dm, 0, sizeof(dm));
 230     dm.dmSize = sizeof(dm);
 231
 232     for (i = 0; i < vid_modes_cnt; i++)
 233     {
 234         dm.dmPelsWidth        = vid_modes_test[i].w;
 235         dm.dmPelsHeight       = vid_modes_test[i].h;
 236         dm.dmBitsPerPel       = vid_modes_test[i].bpp;
 237         dm.dmDisplayFrequency = vid_modes_test[i].freq;
 238         dm.dmFields           = vid_modes_test[i].fields;
 239         res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 240         ok(vid_modes_test[i].must_succeed ?
 241            (res == DISP_CHANGE_SUCCESSFUL) :
 242            (res == DISP_CHANGE_SUCCESSFUL || res == DISP_CHANGE_BADMODE || res == DISP_CHANGE_BADPARAM),
 243            "Unexpected ChangeDisplaySettingsEx() return code for resolution[%d]: %d\n", i, res);
 244
 245         if (res == DISP_CHANGE_SUCCESSFUL)
 246         {
 247             RECT r, r1, virt;
 248
 249             SetRect(&virt, 0, 0, GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN));
 250             OffsetRect(&virt, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN));
 251
 252             /* Resolution change resets clip rect */
 253             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 254             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 255
 256             ok(ClipCursor(NULL), "ClipCursor() failed\n");
 257             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 258             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 259
 260             /* This should always work. Primary monitor is at (0,0) */
 261             SetRect(&r1, 10, 10, 20, 20);
 262             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 263             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 264             ok(EqualRect(&r, &r1), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 265
 266             SetRect(&r1, virt.left - 10, virt.top - 10, virt.right + 20, virt.bottom + 20);
 267             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 268             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 269             ok(EqualRect(&r, &virt) ||
 270                broken(EqualRect(&r, &r1)) /* win9x */,
 271                "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 272             ClipCursor(&virt);
 273         }
 274     }
 275     res = pChangeDisplaySettingsExA(NULL, NULL, NULL, CDS_RESET, NULL);
 276     ok(res == DISP_CHANGE_SUCCESSFUL, "Failed to reset default resolution: %d\n", res);
 277 }
 278
 279 static void test_monitors(void)
 280 {
 281     HMONITOR monitor, primary;
 282     POINT pt;
 283
 284     if (!pMonitorFromPoint || !pMonitorFromWindow)
 285     {
 286         skip("MonitorFromPoint or MonitorFromWindow are not available\n");
 287         return;
 288     }
 289
 290     pt.x = pt.y = 0;
 291     primary = pMonitorFromPoint( pt, MONITOR_DEFAULTTOPRIMARY );
 292     ok( primary != 0, "couldn't get primary monitor\n" );
 293
 294     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONULL );
 295     ok( !monitor, "got %p, should not get a monitor for an invalid window\n", monitor );
 296     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY );
 297     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTOPRIMARY\n", monitor, primary );
 298     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONEAREST );
 299     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTONEAREST\n", monitor, primary );
 300 }
 301
 302 static BOOL CALLBACK find_primary_mon(HMONITOR hmon, HDC hdc, LPRECT rc, LPARAM lp)
 303 {
 304     MONITORINFO mi;
 305     BOOL ret;
 306
 307     mi.cbSize = sizeof(mi);
 308     ret = pGetMonitorInfoA(hmon, &mi);
 309     ok(ret, "GetMonitorInfo failed\n");
 310     if (mi.dwFlags & MONITORINFOF_PRIMARY)
 311     {
 312         *(HMONITOR *)lp = hmon;
 313         return FALSE;
 314     }
 315     return TRUE;
 316 }
 317
 318 static void test_work_area(void)
 319 {
 320     HMONITOR hmon;
 321     MONITORINFO mi;
 322     RECT rc_work, rc_normal;
 323     HWND hwnd;
 324     WINDOWPLACEMENT wp;
 325     BOOL ret;
 326
 327     if (!pEnumDisplayMonitors || !pGetMonitorInfoA)
 328     {
 329         skip("EnumDisplayMonitors or GetMonitorInfoA are not available\n");
 330         return;
 331     }
 332
 333     hmon = 0;
 334     ret = pEnumDisplayMonitors(NULL, NULL, find_primary_mon, (LPARAM)&hmon);
 335     ok(!ret && hmon != 0, "Failed to find primary monitor\n");
 336
 337     mi.cbSize = sizeof(mi);
 338     SetLastError(0xdeadbeef);
 339     ret = pGetMonitorInfoA(hmon, &mi);
 340     ok(ret, "GetMonitorInfo error %u\n", GetLastError());
 341     ok(mi.dwFlags & MONITORINFOF_PRIMARY, "not a primary monitor\n");
 342     trace("primary monitor (%d,%d-%d,%d)\n",
 343         mi.rcMonitor.left, mi.rcMonitor.top, mi.rcMonitor.right, mi.rcMonitor.bottom);
 344
 345     SetLastError(0xdeadbeef);
 346     ret = SystemParametersInfo(SPI_GETWORKAREA, 0, &rc_work, 0);
 347     ok(ret, "SystemParametersInfo error %u\n", GetLastError());
 348     trace("work area (%d,%d-%d,%d)\n", rc_work.left, rc_work.top, rc_work.right, rc_work.bottom);
 349     ok(EqualRect(&rc_work, &mi.rcWork), "work area is different\n");
 350
 351     hwnd = CreateWindowEx(0, "static", NULL, WS_OVERLAPPEDWINDOW|WS_VISIBLE,100,100,10,10,0,0,0,NULL);
 352     ok(hwnd != 0, "CreateWindowEx failed\n");
 353
 354     ret = GetWindowRect(hwnd, &rc_normal);
 355     ok(ret, "GetWindowRect failed\n");
 356     trace("normal (%d,%d-%d,%d)\n", rc_normal.left, rc_normal.top, rc_normal.right, rc_normal.bottom);
 357
 358     wp.length = sizeof(wp);
 359     ret = GetWindowPlacement(hwnd, &wp);
 360     ok(ret, "GetWindowPlacement failed\n");
 361     trace("min: %d,%d max %d,%d normal %d,%d-%d,%d\n",
 362           wp.ptMinPosition.x, wp.ptMinPosition.y,
 363           wp.ptMaxPosition.x, wp.ptMaxPosition.y,
 364           wp.rcNormalPosition.left, wp.rcNormalPosition.top,
 365           wp.rcNormalPosition.right, wp.rcNormalPosition.bottom);
 366     OffsetRect(&wp.rcNormalPosition, rc_work.left, rc_work.top);
 367     if (!EqualRect(&mi.rcMonitor, &mi.rcWork)) /* FIXME: remove once Wine is fixed */
 368         todo_wine ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 369     else
 370         ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 371
 372     SetWindowLong(hwnd, GWL_EXSTYLE, WS_EX_TOOLWINDOW);
 373
 374     wp.length = sizeof(wp);
 375     ret = GetWindowPlacement(hwnd, &wp);
 376     ok(ret, "GetWindowPlacement failed\n");
 377     trace("min: %d,%d max %d,%d normal %d,%d-%d,%d\n",
 378           wp.ptMinPosition.x, wp.ptMinPosition.y,
 379           wp.ptMaxPosition.x, wp.ptMaxPosition.y,
 380           wp.rcNormalPosition.left, wp.rcNormalPosition.top,
 381           wp.rcNormalPosition.right, wp.rcNormalPosition.bottom);
 382     ok(EqualRect(&rc_normal, &wp.rcNormalPosition), "normal pos is different\n");
 383
 384     DestroyWindow(hwnd);
 385 }
 386
 387 START_TEST(monitor)
 388 {
 389     init_function_pointers();
 390     test_enumdisplaydevices();
 391     test_ChangeDisplaySettingsEx();
 392     test_monitors();
 393     test_work_area();
 394 }