AtmoDisplays.cpp

/*
 * AtmoDisplays.cpp: class for retrieving the current monitor and display setup... can handle up to four different screens on a computer
 *
 * See the README.txt file for copyright information and how to reach the author(s).
 *
 * $Id$
 */

#include "StdAfx.h"
#include "atmodisplays.h"

CAtmoDisplays::CAtmoDisplays(void)
{
    ReloadList();
}

CAtmoDisplays::~CAtmoDisplays(void)
{
}
void CAtmoDisplays::ReloadList() {
    m_DisplayCount = 0;
    ZeroMemory(&m_Displays, sizeof(m_Displays));

    // enum Displays?
    DISPLAY_DEVICE displayDevice;
    displayDevice.cb = sizeof(displayDevice);
    DWORD dev = 0;

    // enumerate through all displays...
    while (EnumDisplayDevices(0, dev, &displayDevice, 0) && m_DisplayCount < 16)	 {
        if (!(displayDevice.StateFlags & DISPLAY_DEVICE_MIRRORING_DRIVER))
        {
            DISPLAY_DEVICE ddMon;
            ZeroMemory(&ddMon, sizeof(ddMon));
            ddMon.cb = sizeof(ddMon);

            DWORD devMon = 0;
            while (EnumDisplayDevices(displayDevice.DeviceName, devMon, &ddMon, 0))  {
                if (ddMon.StateFlags & DISPLAY_DEVICE_ACTIVE) break;
                devMon++;
            }

            if (ddMon.StateFlags & DISPLAY_DEVICE_ACTIVE)  {
                DEVMODE dm;
                ZeroMemory(&dm, sizeof(dm));
                dm.dmSize = sizeof(dm);
                if (EnumDisplaySettingsEx(displayDevice.DeviceName, ENUM_CURRENT_SETTINGS, &dm, 0) == ATMO_FALSE)
                    EnumDisplaySettingsEx(displayDevice.DeviceName, ENUM_REGISTRY_SETTINGS, &dm, 0);

                m_Displays[m_DisplayCount].horz_res = dm.dmPelsWidth;
                m_Displays[m_DisplayCount].vert_res = dm.dmPelsHeight;
                m_Displays[m_DisplayCount].horz_ScreenPos = dm.dmPosition.x;
                m_Displays[m_DisplayCount].vert_ScreenPos = dm.dmPosition.y;
                sprintf(m_Displays[m_DisplayCount].infoText, "%s (%d x %d)", ddMon.DeviceString, m_Displays[m_DisplayCount].horz_res, m_Displays[m_DisplayCount].vert_res);

                m_DisplayCount++;
            }
        }
        dev++;
    }
}

int CAtmoDisplays::getCount() {
    return m_DisplayCount;
}

TAtmoDisplayInfo CAtmoDisplays::getDisplayInfo(int displayNr) {
    return  m_Displays[displayNr];
}