Sweden-Number/dlls/user/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wine/test.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
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static HMODULE hdll;
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 void init_function_pointers(void)
{
hdll = GetModuleHandleA("user32.dll");
if(hdll)
{
pEnumDisplayDevicesA = (void*)GetProcAddress(hdll, "EnumDisplayDevicesA");
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pEnumDisplayMonitors = (void*)GetProcAddress(hdll, "EnumDisplayMonitors");
pGetMonitorInfoA = (void*)GetProcAddress(hdll, "GetMonitorInfoA");
}
}
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=%ld\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);
}
}
START_TEST(monitor)
{
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init_function_pointers();
test_enumdisplaydevices();
}