rostests/winetests/user32/monitor.c

   1 /*
   2  * Unit tests for monitor APIs
   3  *
   4  * Copyright 2005 Huw Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include "wingdi.h"
  24 #include "winuser.h"
  25
  26 static HMODULE hdll;
  27 static LONG (WINAPI *pChangeDisplaySettingsExA)(LPCSTR, LPDEVMODEA, HWND, DWORD, LPVOID);
  28 static LONG (WINAPI *pChangeDisplaySettingsExW)(LPCWSTR, LPDEVMODEW, HWND, DWORD, LPVOID);
  29 static BOOL (WINAPI *pEnumDisplayDevicesA)(LPCSTR,DWORD,LPDISPLAY_DEVICEA,DWORD);
  30 static BOOL (WINAPI *pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
  31 static BOOL (WINAPI *pGetMonitorInfoA)(HMONITOR,LPMONITORINFO);
  32 static HMONITOR (WINAPI *pMonitorFromPoint)(POINT,DWORD);
  33 static HMONITOR (WINAPI *pMonitorFromWindow)(HWND,DWORD);
  34
  35 static void init_function_pointers(void)
  36 {
  37     hdll = GetModuleHandleA("user32.dll");
  38
  39 #define GET_PROC(func) \
  40     p ## func = (void*)GetProcAddress(hdll, #func); \
  41     if(!p ## func) \
  42       trace("GetProcAddress(%s) failed\n", #func);
  43
  44     GET_PROC(ChangeDisplaySettingsExA)
  45     GET_PROC(ChangeDisplaySettingsExW)
  46     GET_PROC(EnumDisplayDevicesA)
  47     GET_PROC(EnumDisplayMonitors)
  48     GET_PROC(GetMonitorInfoA)
  49     GET_PROC(MonitorFromPoint)
  50     GET_PROC(MonitorFromWindow)
  51
  52 #undef GET_PROC
  53 }
  54
  55 static BOOL CALLBACK monitor_enum_proc(HMONITOR hmon, HDC hdc, LPRECT lprc,
  56                                        LPARAM lparam)
  57 {
  58     MONITORINFOEXA mi;
  59     char *primary = (char *)lparam;
  60
  61     mi.cbSize = sizeof(mi);
  62
  63     ok(pGetMonitorInfoA(hmon, (MONITORINFO*)&mi), "GetMonitorInfo failed\n");
  64     if(mi.dwFlags == MONITORINFOF_PRIMARY)
  65         strcpy(primary, mi.szDevice);
  66
  67     return TRUE;
  68 }
  69
  70 static void test_enumdisplaydevices(void)
  71 {
  72     DISPLAY_DEVICEA dd;
  73     char primary_device_name[32];
  74     char primary_monitor_device_name[32];
  75     DWORD primary_num = -1, num = 0;
  76
  77     dd.cb = sizeof(dd);
  78     if(pEnumDisplayDevicesA == NULL) return;
  79     while(1)
  80     {
  81         BOOL ret;
  82         HDC dc;
  83         ret = pEnumDisplayDevicesA(NULL, num, &dd, 0);
  84         ok(ret || num != 0, "EnumDisplayDevices fails with num == 0\n");
  85         if(!ret) break;
  86         if(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
  87         {
  88             strcpy(primary_device_name, dd.DeviceName);
  89             primary_num = num;
  90         }
  91         if(dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
  92         {
  93             /* test creating DC */
  94             dc = CreateDCA(dd.DeviceName, NULL, NULL, NULL);
  95             ok(dc != NULL, "Failed to CreateDC(\"%s\") err=%d\n", dd.DeviceName, GetLastError());
  96             DeleteDC(dc);
  97         }
  98         num++;
  99     }
 100     ok(primary_num != -1, "Didn't get the primary device\n");
 101
 102     if(pEnumDisplayMonitors && pGetMonitorInfoA) {
 103         ok(pEnumDisplayMonitors(NULL, NULL, monitor_enum_proc, (LPARAM)primary_monitor_device_name),
 104            "EnumDisplayMonitors failed\n");
 105
 106         ok(!strcmp(primary_monitor_device_name, primary_device_name),
 107            "monitor device name %s, device name %s\n", primary_monitor_device_name,
 108            primary_device_name);
 109     }
 110 }
 111
 112 struct vid_mode
 113 {
 114     DWORD w, h, bpp, freq, fields;
 115     LONG success;
 116 };
 117
 118 static const struct vid_mode vid_modes_test[] = {
 119     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY, 1},
 120     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT |                 DM_DISPLAYFREQUENCY, 1},
 121     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL                      , 1},
 122     {640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT                                      , 1},
 123     {640, 480, 0, 0,                                DM_BITSPERPEL                      , 1},
 124     {640, 480, 0, 0,                                                DM_DISPLAYFREQUENCY, 1},
 125
 126     {0, 0, 0, 0, DM_PELSWIDTH, 1},
 127     {0, 0, 0, 0, DM_PELSHEIGHT, 1},
 128
 129     {640, 480, 0, 0, DM_PELSWIDTH, 0},
 130     {640, 480, 0, 0, DM_PELSHEIGHT, 0},
 131     {  0, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 132     {640,   0, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
 133
 134     {0, 0, 0, 0, DM_DISPLAYFREQUENCY, 0},
 135 };
 136 #define vid_modes_cnt (sizeof(vid_modes_test) / sizeof(vid_modes_test[0]))
 137
 138 static void test_ChangeDisplaySettingsEx(void)
 139 {
 140     DEVMODEA dm;
 141     DEVMODEW dmW;
 142     DWORD width;
 143     LONG res;
 144     int i;
 145
 146     if (!pChangeDisplaySettingsExA)
 147     {
 148         skip("ChangeDisplaySettingsExA is not available\n");
 149         return;
 150     }
 151
 152     SetLastError(0xdeadbeef);
 153     res = EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &dm);
 154     ok(res, "EnumDisplaySettings error %u\n", GetLastError());
 155
 156     width = dm.dmPelsWidth;
 157
 158     /* the following 2 tests show that dm.dmSize being 0 is invalid, but
 159      * ChangeDisplaySettingsExA still reports success.
 160      */
 161     memset(&dm, 0, sizeof(dm));
 162     dm.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 163     dm.dmPelsWidth = width;
 164     res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_TEST, NULL);
 165     ok(res == DISP_CHANGE_SUCCESSFUL,
 166        "ChangeDisplaySettingsExA returned %d, expected DISP_CHANGE_SUCCESSFUL\n", res);
 167
 168     memset(&dmW, 0, sizeof(dmW));
 169     dmW.dmFields = DM_PELSWIDTH | DM_PELSHEIGHT;
 170     dmW.dmPelsWidth = width;
 171     SetLastError(0xdeadbeef);
 172     res = pChangeDisplaySettingsExW(NULL, &dmW, NULL, CDS_TEST, NULL);
 173     if (GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
 174         ok(res == DISP_CHANGE_FAILED,
 175            "ChangeDisplaySettingsExW returned %d, expected DISP_CHANGE_FAILED\n", res);
 176
 177     memset(&dm, 0, sizeof(dm));
 178     dm.dmSize = sizeof(dm);
 179
 180     for (i = 0; i < vid_modes_cnt; i++)
 181     {
 182         dm.dmPelsWidth        = vid_modes_test[i].w;
 183         dm.dmPelsHeight       = vid_modes_test[i].h;
 184         dm.dmBitsPerPel       = vid_modes_test[i].bpp;
 185         dm.dmDisplayFrequency = vid_modes_test[i].freq;
 186         dm.dmFields           = vid_modes_test[i].fields;
 187         res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_FULLSCREEN, NULL);
 188         ok(vid_modes_test[i].success ?
 189            (res == DISP_CHANGE_SUCCESSFUL) :
 190            (res == DISP_CHANGE_BADMODE || res == DISP_CHANGE_BADPARAM),
 191            "Unexpected ChangeDisplaySettingsEx() return code for resolution[%d]: %d\n", i, res);
 192
 193         if (res == DISP_CHANGE_SUCCESSFUL)
 194         {
 195             RECT r, r1, virt;
 196
 197             SetRect(&virt, 0, 0, GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN));
 198             OffsetRect(&virt, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN));
 199
 200             /* Resolution change resets clip rect */
 201             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 202             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 203
 204             ok(ClipCursor(NULL), "ClipCursor() failed\n");
 205             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 206             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 207
 208             /* This should always work. Primary monitor is at (0,0) */
 209             SetRect(&r1, 10, 10, 20, 20);
 210             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 211             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 212             ok(EqualRect(&r, &r1), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 213
 214             SetRect(&r1, virt.left - 10, virt.top - 10, virt.right + 20, virt.bottom + 20);
 215             ok(ClipCursor(&r1), "ClipCursor() failed\n");
 216             ok(GetClipCursor(&r), "GetClipCursor() failed\n");
 217             ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
 218         }
 219     }
 220     res = pChangeDisplaySettingsExA(NULL, NULL, NULL, CDS_RESET, NULL);
 221     ok(res == DISP_CHANGE_SUCCESSFUL, "Failed to reset default resolution: %d\n", res);
 222 }
 223
 224 static void test_monitors(void)
 225 {
 226     HMONITOR monitor, primary;
 227     POINT pt;
 228
 229     pt.x = pt.y = 0;
 230     primary = pMonitorFromPoint( pt, MONITOR_DEFAULTTOPRIMARY );
 231     ok( primary != 0, "couldn't get primary monitor\n" );
 232
 233     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONULL );
 234     ok( !monitor, "got %p, should not get a monitor for an invalid window\n", monitor );
 235     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY );
 236     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTOPRIMARY\n", monitor, primary );
 237     monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONEAREST );
 238     ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTONEAREST\n", monitor, primary );
 239 }
 240
 241
 242 START_TEST(monitor)
 243 {
 244     init_function_pointers();
 245     test_enumdisplaydevices();
 246     if (winetest_interactive)
 247         test_ChangeDisplaySettingsEx();
 248     if (pMonitorFromPoint && pMonitorFromWindow)
 249         test_monitors();
 250     else
 251         skip("MonitorFromPoint and/or MonitorFromWindow are not available\n");
 252 }