GHOST_SystemWin32.cpp

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifdef BF_GHOST_DEBUG
#include <iostream>
#endif

#include <stdio.h> // [mce] temporary debug, remove soon!

#include "GHOST_SystemWin32.h"
#include "GHOST_EventDragnDrop.h"

#ifndef _WIN32_IE
#define _WIN32_IE 0x0501 /* shipped before XP, so doesn't impose additional requirements */
#endif
#include <shlobj.h>
#include <tlhelp32.h>

// win64 doesn't define GWL_USERDATA
#ifdef WIN32
#ifndef GWL_USERDATA
#define GWL_USERDATA GWLP_USERDATA
#define GWL_WNDPROC GWLP_WNDPROC 
#endif
#endif

#include "GHOST_DisplayManagerWin32.h"
#include "GHOST_EventButton.h"
#include "GHOST_EventCursor.h"
#include "GHOST_EventKey.h"
#include "GHOST_EventWheel.h"
#include "GHOST_TimerTask.h"
#include "GHOST_TimerManager.h"
#include "GHOST_WindowManager.h"
#include "GHOST_WindowWin32.h"

#ifdef WITH_INPUT_NDOF
#include "GHOST_NDOFManagerWin32.h"
#endif

// Key code values not found in winuser.h
#ifndef VK_MINUS
#define VK_MINUS 0xBD
#endif // VK_MINUS
#ifndef VK_SEMICOLON
#define VK_SEMICOLON 0xBA
#endif // VK_SEMICOLON
#ifndef VK_PERIOD
#define VK_PERIOD 0xBE
#endif // VK_PERIOD
#ifndef VK_COMMA
#define VK_COMMA 0xBC
#endif // VK_COMMA
#ifndef VK_QUOTE
#define VK_QUOTE 0xDE
#endif // VK_QUOTE
#ifndef VK_BACK_QUOTE
#define VK_BACK_QUOTE 0xC0
#endif // VK_BACK_QUOTE
#ifndef VK_SLASH
#define VK_SLASH 0xBF
#endif // VK_SLASH
#ifndef VK_BACK_SLASH
#define VK_BACK_SLASH 0xDC
#endif // VK_BACK_SLASH
#ifndef VK_EQUALS
#define VK_EQUALS 0xBB
#endif // VK_EQUALS
#ifndef VK_OPEN_BRACKET
#define VK_OPEN_BRACKET 0xDB
#endif // VK_OPEN_BRACKET
#ifndef VK_CLOSE_BRACKET
#define VK_CLOSE_BRACKET 0xDD
#endif // VK_CLOSE_BRACKET
#ifndef VK_GR_LESS
#define VK_GR_LESS 0xE2
#endif // VK_GR_LESS

#ifndef VK_MEDIA_NEXT_TRACK
#define VK_MEDIA_NEXT_TRACK 0xB0
#endif // VK_MEDIA_NEXT_TRACK
#ifndef VK_MEDIA_PREV_TRACK
#define VK_MEDIA_PREV_TRACK 0xB1
#endif // VK_MEDIA_PREV_TRACK
#ifndef VK_MEDIA_STOP
#define VK_MEDIA_STOP   0xB2
#endif // VK_MEDIA_STOP
#ifndef VK_MEDIA_PLAY_PAUSE
#define VK_MEDIA_PLAY_PAUSE 0xB3
#endif // VK_MEDIA_PLAY_PAUSE

static void initRawInput()
{
#ifdef WITH_INPUT_NDOF
#define DEVICE_COUNT 2
#else
#define DEVICE_COUNT 1
#endif

    RAWINPUTDEVICE devices[DEVICE_COUNT];
    memset(devices, 0, DEVICE_COUNT * sizeof(RAWINPUTDEVICE));

    // Initiates WM_INPUT messages from keyboard
    // That way GHOST can retrieve true keys
    devices[0].usUsagePage = 0x01;
    devices[0].usUsage = 0x06; /* http://msdn.microsoft.com/en-us/windows/hardware/gg487473.aspx */

#ifdef WITH_INPUT_NDOF
    // multi-axis mouse (SpaceNavigator, etc.)
    devices[1].usUsagePage = 0x01;
    devices[1].usUsage = 0x08;
#endif

    if (RegisterRawInputDevices(devices, DEVICE_COUNT, sizeof(RAWINPUTDEVICE)))
        ; // yay!
    else
        printf("could not register for RawInput: %d\n", (int)GetLastError());

#undef DEVICE_COUNT
}

GHOST_SystemWin32::GHOST_SystemWin32()
: m_hasPerformanceCounter(false), m_freq(0), m_start(0)
{
    m_displayManager = new GHOST_DisplayManagerWin32 ();
    GHOST_ASSERT(m_displayManager, "GHOST_SystemWin32::GHOST_SystemWin32(): m_displayManager==0\n");
    m_displayManager->initialize();

    m_consoleStatus = 1;

    // Check if current keyboard layout uses AltGr and save keylayout ID for
    // specialized handling if keys like VK_OEM_*. I.e. french keylayout
    // generates VK_OEM_8 for their exclamation key (key left of right shift)
    this->handleKeyboardChange();
    // Require COM for GHOST_DropTargetWin32 created in GHOST_WindowWin32.
    OleInitialize(0);

#ifdef WITH_INPUT_NDOF
    m_ndofManager = new GHOST_NDOFManagerWin32(*this);
#endif
}

GHOST_SystemWin32::~GHOST_SystemWin32()
{
    // Shutdown COM
    OleUninitialize();
    toggleConsole(1);
}


GHOST_TUns64 GHOST_SystemWin32::getMilliSeconds() const
{
    // Hardware does not support high resolution timers. We will use GetTickCount instead then.
    if (!m_hasPerformanceCounter) {
        return ::GetTickCount();
    }

    // Retrieve current count
    __int64 count = 0;
    ::QueryPerformanceCounter((LARGE_INTEGER*)&count);

    // Calculate the time passed since system initialization.
    __int64 delta = 1000*(count-m_start);

    GHOST_TUns64 t = (GHOST_TUns64)(delta/m_freq);
    return t; 
}


GHOST_TUns8 GHOST_SystemWin32::getNumDisplays() const
{
    GHOST_ASSERT(m_displayManager, "GHOST_SystemWin32::getNumDisplays(): m_displayManager==0\n");
    GHOST_TUns8 numDisplays;
    m_displayManager->getNumDisplays(numDisplays);
    return numDisplays;
}


void GHOST_SystemWin32::getMainDisplayDimensions(GHOST_TUns32& width, GHOST_TUns32& height) const
{
    width = ::GetSystemMetrics(SM_CXSCREEN);
    height= ::GetSystemMetrics(SM_CYSCREEN);
}


GHOST_IWindow* GHOST_SystemWin32::createWindow(
    const STR_String& title, 
    GHOST_TInt32 left, GHOST_TInt32 top, GHOST_TUns32 width, GHOST_TUns32 height,
    GHOST_TWindowState state, GHOST_TDrawingContextType type,
    bool stereoVisual, const GHOST_TUns16 numOfAASamples, const GHOST_TEmbedderWindowID parentWindow )
{
    GHOST_Window* window = 0;
    window = new GHOST_WindowWin32 (this, title, left, top, width, height, state, type, stereoVisual, numOfAASamples, parentWindow);
    if (window) {
        if (window->getValid()) {
            // Store the pointer to the window
//          if (state != GHOST_kWindowStateFullScreen) {
                m_windowManager->addWindow(window);
                m_windowManager->setActiveWindow(window);
//          }
        }
        else {

            // Invalid parent window hwnd
            if (((GHOST_WindowWin32*)window)->getNextWindow() == NULL) {
                delete window;
                window = 0;
                return window;
            }

            // An invalid window could be one that was used to test for AA
            window = ((GHOST_WindowWin32*)window)->getNextWindow();
            
            // If another window is found, let the wm know about that one, but not the old one
            if (window->getValid()) {
                m_windowManager->addWindow(window);
            }
            else {
                delete window;
                window = 0;
            }

        }
    }
    return window;
}


bool GHOST_SystemWin32::processEvents(bool waitForEvent)
{
    MSG msg;
    bool anyProcessed = false;

    do {
        GHOST_TimerManager* timerMgr = getTimerManager();

        if (waitForEvent && !::PeekMessage(&msg, 0, 0, 0, PM_NOREMOVE)) {
#if 1
			::Sleep(1);
#else
            GHOST_TUns64 next = timerMgr->nextFireTime();
            GHOST_TInt64 maxSleep = next - getMilliSeconds();
            
            if (next == GHOST_kFireTimeNever) {
                ::WaitMessage();
            } else if(maxSleep >= 0.0) {
                ::SetTimer(NULL, 0, maxSleep, NULL);
                ::WaitMessage();
                ::KillTimer(NULL, 0);
            }
#endif
        }

        if (timerMgr->fireTimers(getMilliSeconds())) {
            anyProcessed = true;
        }

        // Process all the events waiting for us
        while (::PeekMessage(&msg, 0, 0, 0, PM_REMOVE) != 0) {
            ::DispatchMessage(&msg);
            anyProcessed = true;
        }
    } while (waitForEvent && !anyProcessed);

    return anyProcessed;
}


GHOST_TSuccess GHOST_SystemWin32::getCursorPosition(GHOST_TInt32& x, GHOST_TInt32& y) const
{
    POINT point;
    if(::GetCursorPos(&point)){
        x = point.x;
        y = point.y;
        return GHOST_kSuccess;
    }
    return GHOST_kFailure;
}


GHOST_TSuccess GHOST_SystemWin32::setCursorPosition(GHOST_TInt32 x, GHOST_TInt32 y)
{
    if (!GetActiveWindow())
        return GHOST_kFailure;
    return ::SetCursorPos(x, y) == TRUE ? GHOST_kSuccess : GHOST_kFailure;
}


GHOST_TSuccess GHOST_SystemWin32::getModifierKeys(GHOST_ModifierKeys& keys) const
{
    bool down = HIBYTE(::GetKeyState(VK_LSHIFT)) != 0;
    keys.set(GHOST_kModifierKeyLeftShift, down);
    down = HIBYTE(::GetKeyState(VK_RSHIFT)) != 0;
    keys.set(GHOST_kModifierKeyRightShift, down);
    
    down = HIBYTE(::GetKeyState(VK_LMENU)) != 0;
    keys.set(GHOST_kModifierKeyLeftAlt, down);
    down = HIBYTE(::GetKeyState(VK_RMENU)) != 0;
    keys.set(GHOST_kModifierKeyRightAlt, down);
    
    down = HIBYTE(::GetKeyState(VK_LCONTROL)) != 0;
    keys.set(GHOST_kModifierKeyLeftControl, down);
    down = HIBYTE(::GetKeyState(VK_RCONTROL)) != 0;
    keys.set(GHOST_kModifierKeyRightControl, down);
    
    bool lwindown = HIBYTE(::GetKeyState(VK_LWIN)) != 0;
    bool rwindown = HIBYTE(::GetKeyState(VK_RWIN)) != 0;
    if(lwindown || rwindown)
        keys.set(GHOST_kModifierKeyOS, true);
    else
        keys.set(GHOST_kModifierKeyOS, false);
    return GHOST_kSuccess;
}


GHOST_TSuccess GHOST_SystemWin32::getButtons(GHOST_Buttons& buttons) const
{
    /* Check for swapped buttons (left-handed mouse buttons)
     * GetAsyncKeyState() will give back the state of the physical mouse buttons.
     */
    bool swapped = ::GetSystemMetrics(SM_SWAPBUTTON) == TRUE;

    bool down = HIBYTE(::GetKeyState(VK_LBUTTON)) != 0;
    buttons.set(swapped ? GHOST_kButtonMaskRight : GHOST_kButtonMaskLeft, down);

    down = HIBYTE(::GetKeyState(VK_MBUTTON)) != 0;
    buttons.set(GHOST_kButtonMaskMiddle, down);

    down = HIBYTE(::GetKeyState(VK_RBUTTON)) != 0;
    buttons.set(swapped ? GHOST_kButtonMaskLeft : GHOST_kButtonMaskRight, down);
    return GHOST_kSuccess;
}


GHOST_TSuccess GHOST_SystemWin32::init()
{
    GHOST_TSuccess success = GHOST_System::init();
    
    /* Disable scaling on high DPI displays on Vista */
    HMODULE
    user32 = ::LoadLibraryA("user32.dll");
    typedef BOOL (WINAPI * LPFNSETPROCESSDPIAWARE)();
    LPFNSETPROCESSDPIAWARE SetProcessDPIAware =
        (LPFNSETPROCESSDPIAWARE)GetProcAddress(user32, "SetProcessDPIAware");
    if (SetProcessDPIAware)
        SetProcessDPIAware();
    FreeLibrary(user32);
    initRawInput();

    // Determine whether this system has a high frequency performance counter. */
    m_hasPerformanceCounter = ::QueryPerformanceFrequency((LARGE_INTEGER*)&m_freq) == TRUE;
    if (m_hasPerformanceCounter) {
        GHOST_PRINT("GHOST_SystemWin32::init: High Frequency Performance Timer available\n")
        ::QueryPerformanceCounter((LARGE_INTEGER*)&m_start);
    }
    else {
        GHOST_PRINT("GHOST_SystemWin32::init: High Frequency Performance Timer not available\n")
    }

    if (success) {
        WNDCLASS wc;
        wc.style= CS_HREDRAW | CS_VREDRAW;
        wc.lpfnWndProc= s_wndProc;
        wc.cbClsExtra= 0;
        wc.cbWndExtra= 0;
        wc.hInstance= ::GetModuleHandle(0);
        wc.hIcon = ::LoadIcon(wc.hInstance, "APPICON");
        
        if (!wc.hIcon) {
            ::LoadIcon(NULL, IDI_APPLICATION);
        }
        wc.hCursor = ::LoadCursor(0, IDC_ARROW);
        wc.hbrBackground= (HBRUSH)::GetStockObject(BLACK_BRUSH);
        wc.lpszMenuName = 0;
        wc.lpszClassName= GHOST_WindowWin32::getWindowClassName();

        // Use RegisterClassEx for setting small icon
        if (::RegisterClass(&wc) == 0) {
            success = GHOST_kFailure;
        }
    }
    
    return success;
}


GHOST_TSuccess GHOST_SystemWin32::exit()
{
    return GHOST_System::exit();
}

GHOST_TKey GHOST_SystemWin32::hardKey(GHOST_IWindow *window, RAWINPUT const& raw, int * keyDown, char * vk)
{
    GHOST_TKey key = GHOST_kKeyUnknown;


    if(!keyDown)
        return GHOST_kKeyUnknown;


    GHOST_SystemWin32 *system = (GHOST_SystemWin32 *)getSystem();

    GHOST_ModifierKeys modifiers;
    system->retrieveModifierKeys(modifiers);

    // RI_KEY_BREAK doesn't work for sticky keys release, so we also
    // check for the up message
    unsigned int msg = raw.data.keyboard.Message;
    *keyDown = !(raw.data.keyboard.Flags & RI_KEY_BREAK) && msg != WM_KEYUP && msg != WM_SYSKEYUP;

    key = this->convertKey(window, raw.data.keyboard.VKey, raw.data.keyboard.MakeCode, (raw.data.keyboard.Flags&(RI_KEY_E1|RI_KEY_E0)));
    
    // extra handling of modifier keys: don't send repeats out from GHOST
    if(key >= GHOST_kKeyLeftShift && key <= GHOST_kKeyRightAlt)
    {
        bool changed = false;
        GHOST_TModifierKeyMask modifier;
        switch(key) {
            case GHOST_kKeyLeftShift:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyLeftShift) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyLeftShift;
                }
                break;
            case GHOST_kKeyRightShift:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyRightShift) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyRightShift;
                }
                break;
            case GHOST_kKeyLeftControl:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyLeftControl) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyLeftControl;
                }
                break;
            case GHOST_kKeyRightControl:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyRightControl) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyRightControl;
                }
                break;
            case GHOST_kKeyLeftAlt:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyLeftAlt) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyLeftAlt;
                }
                break;
            case GHOST_kKeyRightAlt:
                {
                    changed = (modifiers.get(GHOST_kModifierKeyRightAlt) != (bool)*keyDown);
                    modifier = GHOST_kModifierKeyRightAlt;
                }
                break;
            default: break;
        }
        
        if(changed)
        {
            modifiers.set(modifier, (bool)*keyDown);
            system->storeModifierKeys(modifiers);
        }
        else
        {
            key = GHOST_kKeyUnknown;
        }
    }
    

    if(vk) *vk = raw.data.keyboard.VKey;

    return key;
}

// This function was added in response to bug [#25715]
GHOST_TKey GHOST_SystemWin32::processSpecialKey(GHOST_IWindow *window, short vKey, short scanCode) const
{
    GHOST_TKey key = GHOST_kKeyUnknown;
    switch(PRIMARYLANGID(m_langId)) {
        case LANG_FRENCH:
            if(vKey==VK_OEM_8) key = GHOST_kKeyF13; // oem key; used purely for shortcuts .
            break;
    }

    return key;
}

GHOST_TKey GHOST_SystemWin32::convertKey(GHOST_IWindow *window, short vKey, short scanCode, short extend) const
{
    GHOST_TKey key;

    if ((vKey >= '0') && (vKey <= '9')) {
        // VK_0 thru VK_9 are the same as ASCII '0' thru '9' (0x30 - 0x39)
        key = (GHOST_TKey)(vKey - '0' + GHOST_kKey0);
    }
    else if ((vKey >= 'A') && (vKey <= 'Z')) {
        // VK_A thru VK_Z are the same as ASCII 'A' thru 'Z' (0x41 - 0x5A)
        key = (GHOST_TKey)(vKey - 'A' + GHOST_kKeyA);
    }
    else if ((vKey >= VK_F1) && (vKey <= VK_F24)) {
        key = (GHOST_TKey)(vKey - VK_F1 + GHOST_kKeyF1);
    }
    else {
        switch (vKey) {
        case VK_RETURN:
                key = (extend)?GHOST_kKeyNumpadEnter : GHOST_kKeyEnter; break;
            
        case VK_BACK:     key = GHOST_kKeyBackSpace;        break;
        case VK_TAB:      key = GHOST_kKeyTab;              break;
        case VK_ESCAPE:   key = GHOST_kKeyEsc;              break;
        case VK_SPACE:    key = GHOST_kKeySpace;            break;
        
        case VK_INSERT:
        case VK_NUMPAD0:
            key = (extend) ? GHOST_kKeyInsert : GHOST_kKeyNumpad0;  break;
        case VK_END:
        case VK_NUMPAD1:        
            key = (extend) ? GHOST_kKeyEnd : GHOST_kKeyNumpad1; break;
        case VK_DOWN:
        case VK_NUMPAD2:
            key = (extend) ? GHOST_kKeyDownArrow : GHOST_kKeyNumpad2;   break;
        case VK_NEXT:
        case VK_NUMPAD3:
            key = (extend) ?  GHOST_kKeyDownPage : GHOST_kKeyNumpad3;   break;
        case VK_LEFT:
        case VK_NUMPAD4:
            key = (extend) ? GHOST_kKeyLeftArrow : GHOST_kKeyNumpad4;   break;
        case VK_CLEAR:
        case VK_NUMPAD5:
            key = (extend) ? GHOST_kKeyUnknown: GHOST_kKeyNumpad5;  break;
        case VK_RIGHT:
        case VK_NUMPAD6:
            key = (extend) ? GHOST_kKeyRightArrow : GHOST_kKeyNumpad6;  break;
        case VK_HOME:
        case VK_NUMPAD7:
            key = (extend) ? GHOST_kKeyHome : GHOST_kKeyNumpad7;    break;
        case VK_UP:
        case VK_NUMPAD8:
            key = (extend) ? GHOST_kKeyUpArrow : GHOST_kKeyNumpad8; break;
        case VK_PRIOR:
        case VK_NUMPAD9:
            key = (extend) ? GHOST_kKeyUpPage : GHOST_kKeyNumpad9;  break;
        case VK_DECIMAL:
        case VK_DELETE:
            key = (extend) ? GHOST_kKeyDelete : GHOST_kKeyNumpadPeriod; break;

        case VK_SNAPSHOT: key = GHOST_kKeyPrintScreen;      break;
        case VK_PAUSE:    key = GHOST_kKeyPause;            break;
        case VK_MULTIPLY: key = GHOST_kKeyNumpadAsterisk;   break;
        case VK_SUBTRACT: key = GHOST_kKeyNumpadMinus;      break;
        case VK_DIVIDE:   key = GHOST_kKeyNumpadSlash;      break;
        case VK_ADD:      key = GHOST_kKeyNumpadPlus;       break;

        case VK_SEMICOLON:      key = GHOST_kKeySemicolon;      break;
        case VK_EQUALS:         key = GHOST_kKeyEqual;          break;
        case VK_COMMA:          key = GHOST_kKeyComma;          break;
        case VK_MINUS:          key = GHOST_kKeyMinus;          break;
        case VK_PERIOD:         key = GHOST_kKeyPeriod;         break;
        case VK_SLASH:          key = GHOST_kKeySlash;          break;
        case VK_BACK_QUOTE:     key = GHOST_kKeyAccentGrave;    break;
        case VK_OPEN_BRACKET:   key = GHOST_kKeyLeftBracket;    break;
        case VK_BACK_SLASH:     key = GHOST_kKeyBackslash;      break;
        case VK_CLOSE_BRACKET:  key = GHOST_kKeyRightBracket;   break;
        case VK_QUOTE:          key = GHOST_kKeyQuote;          break;
        case VK_GR_LESS:        key = GHOST_kKeyGrLess;         break;

        case VK_SHIFT:
            key = (scanCode == 0x36)? GHOST_kKeyRightShift : GHOST_kKeyLeftShift;
            break;
        case VK_CONTROL:
            key = (extend)? GHOST_kKeyRightControl : GHOST_kKeyLeftControl;
            break;
        case VK_MENU:
            key = (extend)? GHOST_kKeyRightAlt : GHOST_kKeyLeftAlt;
            break;
        case VK_LWIN:
        case VK_RWIN:
            key = GHOST_kKeyOS;
            break;
        case VK_NUMLOCK: key = GHOST_kKeyNumLock; break;
        case VK_SCROLL: key = GHOST_kKeyScrollLock; break;
        case VK_CAPITAL: key = GHOST_kKeyCapsLock; break;
        case VK_OEM_8:
            key = ((GHOST_SystemWin32*)getSystem())->processSpecialKey(window, vKey, scanCode);
            break;
        case VK_MEDIA_PLAY_PAUSE: key = GHOST_kKeyMediaPlay; break;
        case VK_MEDIA_STOP: key = GHOST_kKeyMediaStop; break;
        case VK_MEDIA_PREV_TRACK: key = GHOST_kKeyMediaFirst; break;
        case VK_MEDIA_NEXT_TRACK: key = GHOST_kKeyMediaLast; break;
        default:
            key = GHOST_kKeyUnknown;
            break;
        }
    }
    
    return key;
}

GHOST_EventButton* GHOST_SystemWin32::processButtonEvent(GHOST_TEventType type, GHOST_IWindow *window, GHOST_TButtonMask mask)
{
    return new GHOST_EventButton (getSystem()->getMilliSeconds(), type, window, mask);
}


GHOST_EventCursor* GHOST_SystemWin32::processCursorEvent(GHOST_TEventType type, GHOST_IWindow *Iwindow)
{
    GHOST_TInt32 x_screen, y_screen;
    GHOST_SystemWin32 * system = ((GHOST_SystemWin32 * ) getSystem());
    GHOST_WindowWin32 * window = ( GHOST_WindowWin32 * ) Iwindow;
    
    system->getCursorPosition(x_screen, y_screen);

    if(window->getCursorGrabMode() != GHOST_kGrabDisable && window->getCursorGrabMode() != GHOST_kGrabNormal)
    {
        GHOST_TInt32 x_new= x_screen;
        GHOST_TInt32 y_new= y_screen;
        GHOST_TInt32 x_accum, y_accum;
        GHOST_Rect bounds;

        /* fallback to window bounds */
        if(window->getCursorGrabBounds(bounds)==GHOST_kFailure){
            window->getClientBounds(bounds);
        }

        /* could also clamp to screen bounds
         * wrap with a window outside the view will fail atm  */

        bounds.wrapPoint(x_new, y_new, 2); /* offset of one incase blender is at screen bounds */

        window->getCursorGrabAccum(x_accum, y_accum);
        if(x_new != x_screen|| y_new != y_screen) {
            /* when wrapping we don't need to add an event because the
             * setCursorPosition call will cause a new event after */
            system->setCursorPosition(x_new, y_new); /* wrap */
            window->setCursorGrabAccum(x_accum + (x_screen - x_new), y_accum + (y_screen - y_new));
        }else{
            return new GHOST_EventCursor(system->getMilliSeconds(),
                                         GHOST_kEventCursorMove,
                                         window,
                                         x_screen + x_accum,
                                         y_screen + y_accum
            );
        }

    }
    else {
        return new GHOST_EventCursor(system->getMilliSeconds(),
                                     GHOST_kEventCursorMove,
                                     window,
                                     x_screen,
                                     y_screen
        );
    }
    return NULL;
}


GHOST_EventWheel* GHOST_SystemWin32::processWheelEvent(GHOST_IWindow *window, WPARAM wParam, LPARAM lParam)
{
    // short fwKeys = LOWORD(wParam);           // key flags
    int zDelta = (short) HIWORD(wParam);    // wheel rotation
    
    // zDelta /= WHEEL_DELTA;
    // temporary fix below: microsoft now has added more precision, making the above division not work
    if (zDelta <= 0 ) zDelta= -1; else zDelta= 1;   
    
    // short xPos = (short) LOWORD(lParam); // horizontal position of pointer
    // short yPos = (short) HIWORD(lParam); // vertical position of pointer
    return new GHOST_EventWheel (getSystem()->getMilliSeconds(), window, zDelta);
}


GHOST_EventKey* GHOST_SystemWin32::processKeyEvent(GHOST_IWindow *window, RAWINPUT const& raw)
{
    int keyDown=0;
    char vk;
    GHOST_SystemWin32 * system = (GHOST_SystemWin32 *)getSystem();
    GHOST_TKey key = system->hardKey(window, raw, &keyDown, &vk);
    GHOST_EventKey* event;

    if (key != GHOST_kKeyUnknown) {
        char utf8_char[6] = {0} ;

        wchar_t utf16[2]={0};
        BYTE state[256];
        GetKeyboardState((PBYTE)state);  

        if(ToUnicodeEx(vk, 0, state, utf16, 2, 0, system->m_keylayout))
            WideCharToMultiByte(CP_UTF8, 0, 
                                    (wchar_t*)utf16, 1,
                                    (LPSTR) utf8_char, 5,
                                    NULL,NULL); else *utf8_char = 0;

        if(!keyDown) utf8_char[0] = '\0';
        
        event = new GHOST_EventKey(system->getMilliSeconds(), keyDown ? GHOST_kEventKeyDown: GHOST_kEventKeyUp, window, key, (*utf8_char & 0x80)?'?':*utf8_char, utf8_char);
        
#ifdef GHOST_DEBUG
        std::cout << ascii << std::endl;
#endif
    }
    else {
        event = 0;
    }
    return event;
}


GHOST_Event* GHOST_SystemWin32::processWindowEvent(GHOST_TEventType type, GHOST_IWindow* window)
{
    GHOST_System* system = (GHOST_System*)getSystem();

    if (type == GHOST_kEventWindowActivate) {
        system->getWindowManager()->setActiveWindow(window);
    }

    return new GHOST_Event(system->getMilliSeconds(), type, window);
}

GHOST_TSuccess GHOST_SystemWin32::pushDragDropEvent(GHOST_TEventType eventType, 
                                                    GHOST_TDragnDropTypes draggedObjectType,
                                                    GHOST_IWindow* window,
                                                    int mouseX, int mouseY,
                                                    void* data)
{
    GHOST_SystemWin32* system = ((GHOST_SystemWin32*)getSystem());
    return system->pushEvent(new GHOST_EventDragnDrop(system->getMilliSeconds(),
                                                      eventType,
                                                      draggedObjectType,
                                                      window,mouseX,mouseY,data)
            );
}

void GHOST_SystemWin32::processMinMaxInfo(MINMAXINFO * minmax)
{
    minmax->ptMinTrackSize.x=320;
    minmax->ptMinTrackSize.y=240;
}

#ifdef WITH_INPUT_NDOF
bool GHOST_SystemWin32::processNDOF(RAWINPUT const& raw)
{
    bool eventSent = false;
    GHOST_TUns64 now = getMilliSeconds();

    static bool firstEvent = true;
    if (firstEvent) { // determine exactly which device is plugged in
        RID_DEVICE_INFO info;
        unsigned infoSize = sizeof(RID_DEVICE_INFO);
        info.cbSize = infoSize;

        GetRawInputDeviceInfo(raw.header.hDevice, RIDI_DEVICEINFO, &info, &infoSize);
        if (info.dwType == RIM_TYPEHID)
            m_ndofManager->setDevice(info.hid.dwVendorId, info.hid.dwProductId);
        else
            puts("<!> not a HID device... mouse/kb perhaps?");

        firstEvent = false;
    }

    // The NDOF manager sends button changes immediately, and *pretends* to
    // send motion. Mark as 'sent' so motion will always get dispatched.
    eventSent = true;

#ifdef _MSC_VER
    // using Microsoft compiler & header files
    // they invented the RawInput API, so this version is (probably) correct
    BYTE const* data = raw.data.hid.bRawData;
    // struct RAWHID {
    // DWORD dwSizeHid;
    // DWORD dwCount;
    // BYTE  bRawData[1];
    // };
#else
    // MinGW's definition (below) doesn't agree, so we need a slight
    // workaround until it's fixed
    BYTE const* data = &raw.data.hid.bRawData;
    // struct RAWHID {
    // DWORD dwSizeHid;
    // DWORD dwCount;
    // BYTE bRawData; // <== isn't this s'posed to be a BYTE*?
    // };
#endif

    BYTE packetType = data[0];
    switch (packetType)
    {
        case 1: // translation
        {
            short* axis = (short*)(data + 1);
            // massage into blender view coords (same goes for rotation)
            short t[3] = {axis[0], -axis[2], axis[1]};
            m_ndofManager->updateTranslation(t, now);

            if (raw.data.hid.dwSizeHid == 13)
            { // this report also includes rotation
                short r[3] = {-axis[3], axis[5], -axis[4]};
                m_ndofManager->updateRotation(r, now);

                // I've never gotten one of these, has anyone else?
                puts("ndof: combined T + R");
            }
            break;
        }
        case 2: // rotation
        {
            short* axis = (short*)(data + 1);
            short r[3] = {-axis[0], axis[2], -axis[1]};
            m_ndofManager->updateRotation(r, now);
            break;
        }
        case 3: // buttons
        {
            int button_bits;
            memcpy(&button_bits, data + 1, sizeof(button_bits));
            m_ndofManager->updateButtons(button_bits, now);
            break;
        }
    }
    return eventSent;
}
#endif // WITH_INPUT_NDOF

LRESULT WINAPI GHOST_SystemWin32::s_wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
    GHOST_Event* event = 0;
    bool eventHandled = false;

    LRESULT lResult = 0;
    GHOST_SystemWin32* system = ((GHOST_SystemWin32*)getSystem());
    GHOST_ASSERT(system, "GHOST_SystemWin32::s_wndProc(): system not initialized")

    if (hwnd) {
        GHOST_WindowWin32* window = (GHOST_WindowWin32*)::GetWindowLong(hwnd, GWL_USERDATA);
        if (window) {
            switch (msg) {
                // we need to check if new key layout has AltGr
                case WM_INPUTLANGCHANGE:
                    system->handleKeyboardChange();
                    break;
                // Keyboard events, processed
                case WM_INPUT:
                {
                    // check WM_INPUT from input sink when ghost window is not in the foreground
                    if (wParam == RIM_INPUTSINK) {
                        if (GetFocus() != hwnd) // WM_INPUT message not for this window
                            return 0;
                    } //else wParam == RIM_INPUT

                    RAWINPUT raw;
                    RAWINPUT* raw_ptr = &raw;
                    UINT rawSize = sizeof(RAWINPUT);

                    GetRawInputData((HRAWINPUT)lParam, RID_INPUT, raw_ptr, &rawSize, sizeof(RAWINPUTHEADER));

                    switch (raw.header.dwType)
                    {
                    case RIM_TYPEKEYBOARD:
                        event = processKeyEvent(window, raw);
                        if (!event) {
                            GHOST_PRINT("GHOST_SystemWin32::wndProc: key event ")
                            GHOST_PRINT(msg)
                            GHOST_PRINT(" key ignored\n")
                        }
                        break;
#ifdef WITH_INPUT_NDOF
                    case RIM_TYPEHID:
                        if (system->processNDOF(raw))
                            eventHandled = true;
                        break;
#endif
                    }
                break;
                }
                // Keyboard events, ignored
                case WM_KEYDOWN:
                case WM_SYSKEYDOWN:
                case WM_KEYUP:
                case WM_SYSKEYUP:
                    /* These functions were replaced by WM_INPUT*/
                case WM_CHAR:
                    /* The WM_CHAR message is posted to the window with the keyboard focus when
                     * a WM_KEYDOWN message is translated by the TranslateMessage function. WM_CHAR
                     * contains the character code of the key that was pressed.
                     */
                case WM_DEADCHAR:
                    /* The WM_DEADCHAR message is posted to the window with the keyboard focus when a
                     * WM_KEYUP message is translated by the TranslateMessage function. WM_DEADCHAR 
                     * specifies a character code generated by a dead key. A dead key is a key that 
                     * generates a character, such as the umlaut (double-dot), that is combined with 
                     * another character to form a composite character. For example, the umlaut-O 
                     * character (Ö) is generated by typing the dead key for the umlaut character, and
                     * then typing the O key.
                     */
                    break;
                case WM_SYSDEADCHAR:
                    /* The WM_SYSDEADCHAR message is sent to the window with the keyboard focus when 
                     * a WM_SYSKEYDOWN message is translated by the TranslateMessage function. 
                     * WM_SYSDEADCHAR specifies the character code of a system dead key - that is, 
                     * a dead key that is pressed while holding down the alt key. 
                     */
                case WM_SYSCHAR:
                    /* The WM_SYSCHAR message is sent to the window with the keyboard focus when 
                     * a WM_SYSCHAR message is translated by the TranslateMessage function. 
                     * WM_SYSCHAR specifies the character code of a dead key - that is, 
                     * a dead key that is pressed while holding down the alt key.
                     * To prevent the sound, DefWindowProc must be avoided by return
                     */
                    break;
                case WM_SYSCOMMAND:
                    /* The WM_SYSCHAR message is sent to the window when system commands such as 
                     * maximize, minimize  or close the window are triggered. Also it is sent when ALT 
                     * button is press for menu. To prevent this we must return preventing DefWindowProc.
                     */
                    if(wParam==SC_KEYMENU) return 0;
                    break;
                // Tablet events, processed
                case WT_PACKET:
                    ((GHOST_WindowWin32*)window)->processWin32TabletEvent(wParam, lParam);
                    break;
                case WT_CSRCHANGE:
                case WT_PROXIMITY:
                    ((GHOST_WindowWin32*)window)->processWin32TabletInitEvent();
                    break;
                // Mouse events, processed
                case WM_LBUTTONDOWN:
                    window->registerMouseClickEvent(0);
                    event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskLeft);
                    break;
                case WM_MBUTTONDOWN:
                    window->registerMouseClickEvent(0);
                    event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskMiddle);
                    break;
                case WM_RBUTTONDOWN:
                    window->registerMouseClickEvent(0);
                    event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskRight);
                    break;
                case WM_XBUTTONDOWN:
                    window->registerMouseClickEvent(0);
                    if ((short) HIWORD(wParam) == XBUTTON1){
                        event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton4);
                    }else if((short) HIWORD(wParam) == XBUTTON2){
                        event = processButtonEvent(GHOST_kEventButtonDown, window, GHOST_kButtonMaskButton5);
                    }
                    break;
                case WM_LBUTTONUP:
                    window->registerMouseClickEvent(1);
                    event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskLeft);
                    break;
                case WM_MBUTTONUP:
                    window->registerMouseClickEvent(1);
                    event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskMiddle);
                    break;
                case WM_RBUTTONUP:
                    window->registerMouseClickEvent(1);
                    event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskRight);
                    break;
                case WM_XBUTTONUP:
                    window->registerMouseClickEvent(1);
                    if ((short) HIWORD(wParam) == XBUTTON1){
                        event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton4);
                    }else if((short) HIWORD(wParam) == XBUTTON2){
                        event = processButtonEvent(GHOST_kEventButtonUp, window, GHOST_kButtonMaskButton5);
                    }
                    break;
                case WM_MOUSEMOVE:
                    event = processCursorEvent(GHOST_kEventCursorMove, window);
                    break;
                case WM_MOUSEWHEEL:
                    /* The WM_MOUSEWHEEL message is sent to the focus window 
                     * when the mouse wheel is rotated. The DefWindowProc 
                     * function propagates the message to the window's parent.
                     * There should be no internal forwarding of the message, 
                     * since DefWindowProc propagates it up the parent chain 
                     * until it finds a window that processes it.
                     */
                    event = processWheelEvent(window, wParam, lParam);
                    break;
                case WM_SETCURSOR:
                    /* The WM_SETCURSOR message is sent to a window if the mouse causes the cursor
                     * to move within a window and mouse input is not captured.
                     * This means we have to set the cursor shape every time the mouse moves!
                     * The DefWindowProc function uses this message to set the cursor to an 
                     * arrow if it is not in the client area.
                     */
                    if (LOWORD(lParam) == HTCLIENT) {
                        // Load the current cursor
                        window->loadCursor(window->getCursorVisibility(), window->getCursorShape());
                        // Bypass call to DefWindowProc
                        return 0;
                    } 
                    else {
                        // Outside of client area show standard cursor
                        window->loadCursor(true, GHOST_kStandardCursorDefault);
                    }
                    break;

                // Mouse events, ignored
                case WM_NCMOUSEMOVE:
                    /* The WM_NCMOUSEMOVE message is posted to a window when the cursor is moved 
                     * within the nonclient area of the window. This message is posted to the window 
                     * that contains the cursor. If a window has captured the mouse, this message is not posted.
                     */
                case WM_NCHITTEST:
                    /* The WM_NCHITTEST message is sent to a window when the cursor moves, or 
                     * when a mouse button is pressed or released. If the mouse is not captured, 
                     * the message is sent to the window beneath the cursor. Otherwise, the message 
                     * is sent to the window that has captured the mouse. 
                     */
                    break;

                // Window events, processed
                case WM_CLOSE:
                    /* The WM_CLOSE message is sent as a signal that a window or an application should terminate. */
                    event = processWindowEvent(GHOST_kEventWindowClose, window);
                    break;
                case WM_ACTIVATE:
                    /* The WM_ACTIVATE message is sent to both the window being activated and the window being 
                     * deactivated. If the windows use the same input queue, the message is sent synchronously, 
                     * first to the window procedure of the top-level window being deactivated, then to the window
                     * procedure of the top-level window being activated. If the windows use different input queues,
                     * the message is sent asynchronously, so the window is activated immediately. 
                     */
                    {
                    GHOST_ModifierKeys modifiers;
                    modifiers.clear();
                    system->storeModifierKeys(modifiers);
                    event = processWindowEvent(LOWORD(wParam) ? GHOST_kEventWindowActivate : GHOST_kEventWindowDeactivate, window);
                    /* WARNING: Let DefWindowProc handle WM_ACTIVATE, otherwise WM_MOUSEWHEEL
                    will not be dispatched to OUR active window if we minimize one of OUR windows. */
                    lResult = ::DefWindowProc(hwnd, msg, wParam, lParam);
                    break;
                    }
                case WM_PAINT:
                    /* An application sends the WM_PAINT message when the system or another application 
                     * makes a request to paint a portion of an application's window. The message is sent
                     * when the UpdateWindow or RedrawWindow function is called, or by the DispatchMessage 
                     * function when the application obtains a WM_PAINT message by using the GetMessage or 
                     * PeekMessage function. 
                     */
                    event = processWindowEvent(GHOST_kEventWindowUpdate, window);
                    ::ValidateRect(hwnd, NULL);
                    break;
                case WM_GETMINMAXINFO:
                    /* The WM_GETMINMAXINFO message is sent to a window when the size or 
                     * position of the window is about to change. An application can use 
                     * this message to override the window's default maximized size and 
                     * position, or its default minimum or maximum tracking size. 
                     */
                    processMinMaxInfo((MINMAXINFO *) lParam);
                    /* Let DefWindowProc handle it. */
                    break;
                case WM_SIZE:
                    /* The WM_SIZE message is sent to a window after its size has changed.
                     * The WM_SIZE and WM_MOVE messages are not sent if an application handles the 
                     * WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
                     * to perform any move or size change processing during the WM_WINDOWPOSCHANGED 
                     * message without calling DefWindowProc.
                     */
                    event = processWindowEvent(GHOST_kEventWindowSize, window);
                    break;
                case WM_CAPTURECHANGED:
                    window->lostMouseCapture();
                    break;
                case WM_MOVING:
                    /* The WM_MOVING message is sent to a window that the user is moving. By processing 
                     * this message, an application can monitor the size and position of the drag rectangle
                     * and, if needed, change its size or position.
                     */
                case WM_MOVE:
                    /* The WM_SIZE and WM_MOVE messages are not sent if an application handles the 
                     * WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
                     * to perform any move or size change processing during the WM_WINDOWPOSCHANGED 
                     * message without calling DefWindowProc. 
                     */
                    event = processWindowEvent(GHOST_kEventWindowMove, window);
                    break;
                // Window events, ignored
                case WM_WINDOWPOSCHANGED:
                    /* The WM_WINDOWPOSCHANGED message is sent to a window whose size, position, or place
                     * in the Z order has changed as a result of a call to the SetWindowPos function or 
                     * another window-management function.
                     * The WM_SIZE and WM_MOVE messages are not sent if an application handles the 
                     * WM_WINDOWPOSCHANGED message without calling DefWindowProc. It is more efficient
                     * to perform any move or size change processing during the WM_WINDOWPOSCHANGED 
                     * message without calling DefWindowProc.
                     */
                case WM_ERASEBKGND:
                    /* An application sends the WM_ERASEBKGND message when the window background must be 
                     * erased (for example, when a window is resized). The message is sent to prepare an 
                     * invalidated portion of a window for painting. 
                     */
                case WM_NCPAINT:
                    /* An application sends the WM_NCPAINT message to a window when its frame must be painted. */
                case WM_NCACTIVATE:
                    /* The WM_NCACTIVATE message is sent to a window when its nonclient area needs to be changed 
                     * to indicate an active or inactive state. 
                     */
                case WM_DESTROY:
                    /* The WM_DESTROY message is sent when a window is being destroyed. It is sent to the window 
                     * procedure of the window being destroyed after the window is removed from the screen. 
                     * This message is sent first to the window being destroyed and then to the child windows 
                     * (if any) as they are destroyed. During the processing of the message, it can be assumed 
                     * that all child windows still exist. 
                     */
                case WM_NCDESTROY:
                    /* The WM_NCDESTROY message informs a window that its nonclient area is being destroyed. The 
                     * DestroyWindow function sends the WM_NCDESTROY message to the window following the WM_DESTROY
                     * message. WM_DESTROY is used to free the allocated memory object associated with the window. 
                     */
                    break;
                case WM_KILLFOCUS:
                    /* The WM_KILLFOCUS message is sent to a window immediately before it loses the keyboard focus. 
                     * We want to prevent this if a window is still active and it loses focus to nowhere*/
                    if(!wParam && hwnd==GetActiveWindow())
                        SetFocus(hwnd);
                case WM_SHOWWINDOW:
                    /* The WM_SHOWWINDOW message is sent to a window when the window is about to be hidden or shown. */
                case WM_WINDOWPOSCHANGING:
                    /* The WM_WINDOWPOSCHANGING message is sent to a window whose size, position, or place in 
                     * the Z order is about to change as a result of a call to the SetWindowPos function or 
                     * another window-management function. 
                     */
                case WM_SETFOCUS:
                    /* The WM_SETFOCUS message is sent to a window after it has gained the keyboard focus. */
                case WM_ENTERSIZEMOVE:
                    /* The WM_ENTERSIZEMOVE message is sent one time to a window after it enters the moving 
                     * or sizing modal loop. The window enters the moving or sizing modal loop when the user 
                     * clicks the window's title bar or sizing border, or when the window passes the 
                     * WM_SYSCOMMAND message to the DefWindowProc function and the wParam parameter of the 
                     * message specifies the SC_MOVE or SC_SIZE value. The operation is complete when 
                     * DefWindowProc returns. 
                     */
                    break;
                    
                // Other events
                case WM_GETTEXT:
                    /* An application sends a WM_GETTEXT message to copy the text that 
                     * corresponds to a window into a buffer provided by the caller. 
                     */
                case WM_ACTIVATEAPP:
                    /* The WM_ACTIVATEAPP message is sent when a window belonging to a 
                     * different application than the active window is about to be activated.
                     * The message is sent to the application whose window is being activated
                     * and to the application whose window is being deactivated. 
                     */
                case WM_TIMER:
                    /* The WIN32 docs say:
                     * The WM_TIMER message is posted to the installing thread's message queue
                     * when a timer expires. You can process the message by providing a WM_TIMER
                     * case in the window procedure. Otherwise, the default window procedure will
                     * call the TimerProc callback function specified in the call to the SetTimer
                     * function used to install the timer. 
                     *
                     * In GHOST, we let DefWindowProc call the timer callback.
                     */
                    break;
            }
        }
        else {
            // Event found for a window before the pointer to the class has been set.
            GHOST_PRINT("GHOST_SystemWin32::wndProc: GHOST window event before creation\n")
            /* These are events we typically miss at this point:
               WM_GETMINMAXINFO 0x24
               WM_NCCREATE          0x81
               WM_NCCALCSIZE        0x83
               WM_CREATE            0x01
               We let DefWindowProc do the work.
            */
        }
    }
    else {
        // Events without valid hwnd
        GHOST_PRINT("GHOST_SystemWin32::wndProc: event without window\n")
    }

    if (event) {
        system->pushEvent(event);
        eventHandled = true;
    }

    if (!eventHandled)
        lResult = ::DefWindowProc(hwnd, msg, wParam, lParam);

    return lResult;
}

GHOST_TUns8* GHOST_SystemWin32::getClipboard(bool selection) const 
{
    wchar_t *buffer;
    char *temp_buff;
    
    if ( IsClipboardFormatAvailable(CF_UNICODETEXT) && OpenClipboard(NULL) ) {
        size_t len = 0;
        HANDLE hData = GetClipboardData( CF_UNICODETEXT );
        if (hData == NULL) {
            CloseClipboard();
            return NULL;
        }
        buffer = (wchar_t*)GlobalLock( hData );
        if (!buffer) {
            CloseClipboard();
            return NULL;
        }
        
        len = WideCharToMultiByte(CP_UTF8, 0, buffer, -1, NULL, 0, NULL, NULL);
        temp_buff = (char*) malloc(len);
        WideCharToMultiByte(CP_UTF8, 0, buffer, -1, temp_buff, len, NULL, NULL);
        
        /* Buffer mustn't be accessed after CloseClipboard
           it would like accessing free-d memory */
        GlobalUnlock( hData );
        CloseClipboard();
        
        return (GHOST_TUns8*)temp_buff;
    } else {
        return NULL;
    }
}

void GHOST_SystemWin32::putClipboard(GHOST_TInt8 *buffer, bool selection) const
{
    if(selection) {return;} // for copying the selection, used on X11

    if (OpenClipboard(NULL)) {
        HLOCAL clipbuffer;
        wchar_t *data;
        
        if (buffer) {
            EmptyClipboard();
            
            int wlen = MultiByteToWideChar(CP_UTF8, 0, buffer, -1, NULL, 0);
            
            clipbuffer = LocalAlloc(LMEM_FIXED, wlen * sizeof(wchar_t));
            data = (wchar_t*)GlobalLock(clipbuffer);
            
            MultiByteToWideChar(CP_UTF8, 0, buffer, -1, data, wlen);
            
            LocalUnlock(clipbuffer);
            SetClipboardData(CF_UNICODETEXT,clipbuffer);
        }
        CloseClipboard();
    } else {
        return;
    }
}

int GHOST_SystemWin32::toggleConsole(int action)
{
    switch(action)
    {
        case 3: //hide if no console
            {
                DWORD sp = GetCurrentProcessId();
                HANDLE ptree = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
                PROCESSENTRY32 e = {0}; e.dwSize = sizeof(PROCESSENTRY32);
                
                if( Process32First(ptree, &e)) {
                    do { //Searches for Blender's PROCESSENTRY32
                            if (e.th32ProcessID == sp) {
                                sp = e.th32ParentProcessID;
                                Process32First(ptree, &e);
                                    do { //Got parent id, searches for its PROCESSENTRY32
                                        if (e.th32ProcessID == sp) {
                                            if(strcmp("explorer.exe",e.szExeFile)==0)
                                            { //If explorer, hide cmd
                                                ShowWindow(GetConsoleWindow(),SW_HIDE);
                                                m_consoleStatus = 0;
                                            }
                                            break;
                                        }

                                    } while( Process32Next(ptree, &e));
                                break;
                            }
                    } while( Process32Next(ptree, &e));
                }

                CloseHandle(ptree);
                break;
            }
        case 0: //hide
            ShowWindow(GetConsoleWindow(),SW_HIDE);
            m_consoleStatus = 0;
            break;
        case 1: //show
            ShowWindow(GetConsoleWindow(),SW_SHOW);
            m_consoleStatus = 1;
            break;
        case 2: //toggle
            ShowWindow(GetConsoleWindow(),m_consoleStatus?SW_HIDE:SW_SHOW);
            m_consoleStatus=!m_consoleStatus;
            break;

    };


    return m_consoleStatus;
}