Sweden-Number/dlls/user32/tests/monitor.c

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/*
* Unit tests for monitor APIs
*
* Copyright 2005 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
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static HMODULE hdll;
static LONG (WINAPI *pChangeDisplaySettingsExA)(LPCSTR, LPDEVMODEA, HWND, DWORD, LPVOID);
static BOOL (WINAPI *pEnumDisplayDevicesA)(LPCSTR,DWORD,LPDISPLAY_DEVICEA,DWORD);
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static BOOL (WINAPI *pEnumDisplayMonitors)(HDC,LPRECT,MONITORENUMPROC,LPARAM);
static BOOL (WINAPI *pGetMonitorInfoA)(HMONITOR,LPMONITORINFO);
static HMONITOR (WINAPI *pMonitorFromPoint)(POINT,DWORD);
static HMONITOR (WINAPI *pMonitorFromWindow)(HWND,DWORD);
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static void init_function_pointers(void)
{
hdll = GetModuleHandleA("user32.dll");
#define GET_PROC(func) \
p ## func = (void*)GetProcAddress(hdll, #func); \
if(!p ## func) \
trace("GetProcAddress(%s) failed\n", #func);
GET_PROC(ChangeDisplaySettingsExA)
GET_PROC(EnumDisplayDevicesA)
GET_PROC(EnumDisplayMonitors)
GET_PROC(GetMonitorInfoA)
GET_PROC(MonitorFromPoint)
GET_PROC(MonitorFromWindow)
#undef GET_PROC
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}
static BOOL CALLBACK monitor_enum_proc(HMONITOR hmon, HDC hdc, LPRECT lprc,
LPARAM lparam)
{
MONITORINFOEXA mi;
char *primary = (char *)lparam;
mi.cbSize = sizeof(mi);
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ok(pGetMonitorInfoA(hmon, (MONITORINFO*)&mi), "GetMonitorInfo failed\n");
if(mi.dwFlags == MONITORINFOF_PRIMARY)
strcpy(primary, mi.szDevice);
return TRUE;
}
static void test_enumdisplaydevices(void)
{
DISPLAY_DEVICEA dd;
char primary_device_name[32];
char primary_monitor_device_name[32];
DWORD primary_num = -1, num = 0;
dd.cb = sizeof(dd);
if(pEnumDisplayDevicesA == NULL) return;
while(1)
{
BOOL ret;
HDC dc;
ret = pEnumDisplayDevicesA(NULL, num, &dd, 0);
ok(ret || num != 0, "EnumDisplayDevices fails with num == 0\n");
if(!ret) break;
if(dd.StateFlags & DISPLAY_DEVICE_PRIMARY_DEVICE)
{
strcpy(primary_device_name, dd.DeviceName);
primary_num = num;
}
if(dd.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP)
{
/* test creating DC */
dc = CreateDCA(dd.DeviceName, NULL, NULL, NULL);
ok(dc != NULL, "Failed to CreateDC(\"%s\") err=%d\n", dd.DeviceName, GetLastError());
DeleteDC(dc);
}
num++;
}
ok(primary_num != -1, "Didn't get the primary device\n");
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if(pEnumDisplayMonitors && pGetMonitorInfoA) {
ok(pEnumDisplayMonitors(NULL, NULL, monitor_enum_proc, (LPARAM)primary_monitor_device_name),
"EnumDisplayMonitors failed\n");
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ok(!strcmp(primary_monitor_device_name, primary_device_name),
"monitor device name %s, device name %s\n", primary_monitor_device_name,
primary_device_name);
}
}
struct vid_mode
{
DWORD w, h, bpp, freq, fields;
LONG success;
};
static struct vid_mode vid_modes_test[] = {
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL | DM_DISPLAYFREQUENCY, 1},
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_DISPLAYFREQUENCY, 1},
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT | DM_BITSPERPEL , 1},
{640, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT , 1},
{640, 480, 0, 0, DM_BITSPERPEL , 1},
{640, 480, 0, 0, DM_DISPLAYFREQUENCY, 1},
{0, 0, 0, 0, DM_PELSWIDTH, 1},
{0, 0, 0, 0, DM_PELSHEIGHT, 1},
{640, 480, 0, 0, DM_PELSWIDTH, 0},
{640, 480, 0, 0, DM_PELSHEIGHT, 0},
{ 0, 480, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
{640, 0, 0, 0, DM_PELSWIDTH | DM_PELSHEIGHT, 0},
{0, 0, 0, 0, DM_DISPLAYFREQUENCY, 0},
};
#define vid_modes_cnt (sizeof(vid_modes_test) / sizeof(vid_modes_test[0]))
static void test_ChangeDisplaySettingsEx(void)
{
DEVMODE dm;
LONG res;
int i;
if (!pChangeDisplaySettingsExA)
{
skip("ChangeDisplaySettingsExA is not available\n");
return;
}
memset(&dm, 0, sizeof(dm));
dm.dmSize = sizeof(dm);
for (i = 0; i < vid_modes_cnt; i++)
{
dm.dmPelsWidth = vid_modes_test[i].w;
dm.dmPelsHeight = vid_modes_test[i].h;
dm.dmBitsPerPel = vid_modes_test[i].bpp;
dm.dmDisplayFrequency = vid_modes_test[i].freq;
dm.dmFields = vid_modes_test[i].fields;
res = pChangeDisplaySettingsExA(NULL, &dm, NULL, CDS_FULLSCREEN, NULL);
ok(vid_modes_test[i].success ?
(res == DISP_CHANGE_SUCCESSFUL) :
(res == DISP_CHANGE_BADMODE || res == DISP_CHANGE_BADPARAM),
"Unexpected ChangeDisplaySettingsEx() return code for resolution[%d]: %d\n", i, res);
if (res == DISP_CHANGE_SUCCESSFUL)
{
RECT r, r1, virt;
SetRect(&virt, 0, 0, GetSystemMetrics(SM_CXVIRTUALSCREEN), GetSystemMetrics(SM_CYVIRTUALSCREEN));
OffsetRect(&virt, GetSystemMetrics(SM_XVIRTUALSCREEN), GetSystemMetrics(SM_YVIRTUALSCREEN));
/* Resolution change resets clip rect */
ok(GetClipCursor(&r), "GetClipCursor() failed\n");
ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
ok(ClipCursor(NULL), "ClipCursor() failed\n");
ok(GetClipCursor(&r), "GetClipCursor() failed\n");
ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
/* This should always work. Primary monitor is at (0,0) */
SetRect(&r1, 10, 10, 20, 20);
ok(ClipCursor(&r1), "ClipCursor() failed\n");
ok(GetClipCursor(&r), "GetClipCursor() failed\n");
ok(EqualRect(&r, &r1), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
SetRect(&r1, virt.left - 10, virt.top - 10, virt.right + 20, virt.bottom + 20);
ok(ClipCursor(&r1), "ClipCursor() failed\n");
ok(GetClipCursor(&r), "GetClipCursor() failed\n");
ok(EqualRect(&r, &virt), "Invalid clip rect: (%d %d) x (%d %d)\n", r.left, r.top, r.right, r.bottom);
}
}
res = pChangeDisplaySettingsExA(NULL, NULL, NULL, CDS_RESET, NULL);
ok(res == DISP_CHANGE_SUCCESSFUL, "Failed to reset default resolution: %d\n", res);
}
static void test_monitors(void)
{
HMONITOR monitor, primary;
POINT pt;
pt.x = pt.y = 0;
primary = pMonitorFromPoint( pt, MONITOR_DEFAULTTOPRIMARY );
ok( primary != 0, "couldn't get primary monitor\n" );
monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONULL );
ok( !monitor, "got %p, should not get a monitor for an invalid window\n", monitor );
monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY );
ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTOPRIMARY\n", monitor, primary );
monitor = pMonitorFromWindow( 0, MONITOR_DEFAULTTONEAREST );
ok( monitor == primary, "got %p, should get primary %p for MONITOR_DEFAULTTONEAREST\n", monitor, primary );
}
START_TEST(monitor)
{
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init_function_pointers();
test_enumdisplaydevices();
if (winetest_interactive)
test_ChangeDisplaySettingsEx();
if (pMonitorFromPoint && pMonitorFromWindow)
test_monitors();
else
skip("MonitorFromPoint and/or MonitorFromWindow are not available\n");
}