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vlc/modules/gui/qt/maininterface/mainctx_win32.cpp

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/*****************************************************************************
* mainctx_win32.cpp : Main interface
****************************************************************************
* Copyright (C) 2006-2010 VideoLAN and AUTHORS
*
* Authors: Jean-Baptiste Kempf <jb@videolan.org>
* Hugo Beauzée-Luyssen <hugo@beauzee.fr>
*
* 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.
*****************************************************************************/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mainctx_win32.hpp"
#include "maininterface/compositor.hpp"
#include "player/player_controller.hpp"
#include "playlist/playlist_controller.hpp"
#include "dialogs/dialogs_provider.hpp"
#include "widgets/native/interface_widgets.hpp"
#include <QBitmap>
#include <assert.h>
#include <QWindow>
#include <qpa/qplatformnativeinterface.h>
#include <dwmapi.h>
#define WM_APPCOMMAND 0x0319
#define APPCOMMAND_VOLUME_MUTE 8
#define APPCOMMAND_VOLUME_DOWN 9
#define APPCOMMAND_VOLUME_UP 10
#define APPCOMMAND_MEDIA_NEXTTRACK 11
#define APPCOMMAND_MEDIA_PREVIOUSTRACK 12
#define APPCOMMAND_MEDIA_STOP 13
#define APPCOMMAND_MEDIA_PLAY_PAUSE 14
#define APPCOMMAND_LAUNCH_MEDIA_SELECT 16
#define APPCOMMAND_BASS_DOWN 19
#define APPCOMMAND_BASS_BOOST 20
#define APPCOMMAND_BASS_UP 21
#define APPCOMMAND_TREBLE_DOWN 22
#define APPCOMMAND_TREBLE_UP 23
#define APPCOMMAND_MICROPHONE_VOLUME_MUTE 24
#define APPCOMMAND_MICROPHONE_VOLUME_DOWN 25
#define APPCOMMAND_MICROPHONE_VOLUME_UP 26
#define APPCOMMAND_HELP 27
#define APPCOMMAND_OPEN 30
#define APPCOMMAND_DICTATE_OR_COMMAND_CONTROL_TOGGLE 43
#define APPCOMMAND_MIC_ON_OFF_TOGGLE 44
#define APPCOMMAND_MEDIA_PLAY 46
#define APPCOMMAND_MEDIA_PAUSE 47
#define APPCOMMAND_MEDIA_RECORD 48
#define APPCOMMAND_MEDIA_FAST_FORWARD 49
#define APPCOMMAND_MEDIA_REWIND 50
#define APPCOMMAND_MEDIA_CHANNEL_UP 51
#define APPCOMMAND_MEDIA_CHANNEL_DOWN 52
#define FAPPCOMMAND_MOUSE 0x8000
#define FAPPCOMMAND_KEY 0
#define FAPPCOMMAND_OEM 0x1000
#define FAPPCOMMAND_MASK 0xF000
#define GET_APPCOMMAND_LPARAM(lParam) ((short)(HIWORD(lParam) & ~FAPPCOMMAND_MASK))
#define GET_DEVICE_LPARAM(lParam) ((WORD)(HIWORD(lParam) & FAPPCOMMAND_MASK))
#define GET_MOUSEORKEY_LPARAM GET_DEVICE_LPARAM
#define GET_FLAGS_LPARAM(lParam) (LOWORD(lParam))
#define GET_KEYSTATE_LPARAM(lParam) GET_FLAGS_LPARAM(lParam)
using namespace vlc::playlist;
#ifndef WM_NCUAHDRAWCAPTION
// Not documented, only available since Windows Vista
#define WM_NCUAHDRAWCAPTION 0x00AE
#endif
#ifndef WM_NCUAHDRAWFRAME
// Not documented, only available since Windows Vista
#define WM_NCUAHDRAWFRAME 0x00AF
#endif
namespace {
HWND WinId( QWindow *windowHandle )
{
if( windowHandle && windowHandle->handle() )
return static_cast<HWND>(QGuiApplication::platformNativeInterface()->
nativeResourceForWindow("handle", windowHandle));
else
return 0;
}
class CSDWin32EventHandler : public QObject, public QAbstractNativeEventFilter
{
public:
CSDWin32EventHandler(const bool useClientSideDecoration, const bool isWin7Compositor, QWindow *window, QObject *parent)
: QObject {parent}
, m_useClientSideDecoration {useClientSideDecoration}
, m_window {window}
, m_isWin7Compositor {isWin7Compositor}
{
QApplication::instance()->installNativeEventFilter(this);
updateCSDSettings();
}
static int resizeBorderWidth(QWindow *window)
{
const int result = GetSystemMetrics(SM_CXSIZEFRAME) + GetSystemMetrics(SM_CXPADDEDBORDER);
if (result > 0)
return qRound(static_cast<qreal>(result) / window->devicePixelRatio());
else
return qRound(static_cast<qreal>(8) * window->devicePixelRatio());
}
static int resizeBorderHeight(QWindow *window)
{
const int result = GetSystemMetrics(SM_CYSIZEFRAME) + GetSystemMetrics(SM_CXPADDEDBORDER);
if (result > 0)
return qRound(static_cast<qreal>(result) / window->devicePixelRatio());
else
return qRound(static_cast<qreal>(8) * window->devicePixelRatio());
}
bool nativeEventFilter(const QByteArray &, void *message, long *result) override
{
MSG* msg = static_cast<MSG*>( message );
if ( !m_useClientSideDecoration || (msg->hwnd != WinId(m_window)) )
return false;
if ( msg->message == WM_NCCALCSIZE )
{
/* This is used to remove the decoration instead of using FramelessWindowHint because
* frameless window don't support areo snapping
*/
if (!msg->wParam)
{
*result = 0;
return true;
}
bool nonClientAreaExists = false;
const auto clientRect = &(reinterpret_cast<LPNCCALCSIZE_PARAMS>(msg->lParam)->rgrc[0]);
// We don't need this correction when we're fullscreen. We will
// have the WS_POPUP size, so we don't have to worry about
// borders, and the default frame will be fine.
if (IsZoomed(msg->hwnd) && (m_window->windowState() != Qt::WindowFullScreen))
{
// Windows automatically adds a standard width border to all
// sides when a window is maximized. We have to remove it
// otherwise the content of our window will be cut-off from
// the screen.
// The value of border width and border height should be
// identical in most cases, when the scale factor is 1.0, it
// should be eight pixels.
const int rbh = resizeBorderHeight(m_window);
clientRect->top += rbh;
clientRect->bottom -= rbh;
const int rbw = resizeBorderWidth(m_window);
clientRect->left += rbw;
clientRect->right -= rbw;
nonClientAreaExists = true;
}
*result = nonClientAreaExists ? 0 : WVR_REDRAW;
return true;
}
// These undocumented messages are sent to draw themed window
// borders. Block them to prevent drawing borders over the client
// area.
if ( msg->message == WM_NCUAHDRAWCAPTION || msg->message == WM_NCUAHDRAWFRAME)
{
*result = 0;
return true;
}
return false;
}
void setUseClientSideDecoration(bool useClientSideDecoration)
{
m_useClientSideDecoration = useClientSideDecoration;
updateCSDSettings();
}
private:
void updateCSDSettings()
{
HWND winId = WinId(m_window);
if ( !winId )
return;
if (m_isWin7Compositor)
{
// special case for win7 compositor
// removing CSD borders with win7 compositor works with Qt::FramelessWindowHint
// but with that the shadows don't work, so manually remove WS_CAPTION style
DWORD style = m_nonCSDGwlStyle == 0 ? GetWindowLong(winId, GWL_STYLE) : m_nonCSDGwlStyle;
if (m_nonCSDGwlStyle == 0)
m_nonCSDGwlStyle = style;
if (m_useClientSideDecoration)
{
style &= ~WS_CAPTION;
style |= (WS_MAXIMIZEBOX | WS_THICKFRAME);
}
SetWindowLong (winId, GWL_STYLE, style);
}
// add back shadows
const MARGINS m {0, 0, (m_useClientSideDecoration ? 1 : 0) /* top margin */ , 0};
DwmExtendFrameIntoClientArea(winId, &m);
SetWindowPos(winId, NULL, 0, 0, 0, 0,
SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOCOPYBITS |
SWP_NOMOVE | SWP_NOOWNERZORDER | SWP_NOREPOSITION |
SWP_NOSENDCHANGING | SWP_NOSIZE | SWP_NOZORDER);
}
DWORD m_nonCSDGwlStyle = 0;
bool m_useClientSideDecoration;
QWindow *m_window;
const bool m_isWin7Compositor;
};
}
WinTaskbarWidget::WinTaskbarWidget(qt_intf_t *_p_intf, QWindow* windowHandle, QObject* parent)
: QObject(parent)
, p_intf(_p_intf)
, m_window(windowHandle)
{
taskbar_wmsg = RegisterWindowMessage(TEXT("TaskbarButtonCreated"));
if (taskbar_wmsg == 0)
msg_Warn( p_intf, "Failed to register TaskbarButtonCreated message" );
connect(THEMPL, &PlaylistControllerModel::countChanged,
this, &WinTaskbarWidget::playlistItemCountChanged);
connect(THEMIM, &PlayerController::fullscreenChanged,
this, &WinTaskbarWidget::onVideoFullscreenChanged);
msg_Info(p_intf, "WinTaskbarWidget::WinTaskbarWidget");
}
WinTaskbarWidget::~WinTaskbarWidget()
{
if( himl )
ImageList_Destroy( himl );
if(p_taskbl)
p_taskbl->Release();
CoUninitialize();
}
Q_GUI_EXPORT HBITMAP qt_pixmapToWinHBITMAP(const QPixmap &p, int hbitmapFormat = 0);
enum HBitmapFormat
{
NoAlpha,
PremultipliedAlpha,
Alpha
};
void WinTaskbarWidget::createTaskBarButtons()
{
/*Here is the code for the taskbar thumb buttons
FIXME:We need pretty buttons in 16x16 px that are handled correctly by masks in Qt
*/
p_taskbl = NULL;
himl = NULL;
auto winId = WinId(m_window);
if (!winId)
return;
HRESULT hr = CoInitializeEx( NULL, COINIT_APARTMENTTHREADED );
if( FAILED(hr) )
return;
void *pv;
hr = CoCreateInstance( CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER,
IID_ITaskbarList3, &pv);
if( FAILED(hr) )
{
CoUninitialize();
return;
}
p_taskbl = (ITaskbarList3 *)pv;
p_taskbl->HrInit();
int iconX = GetSystemMetrics(SM_CXSMICON);
int iconY = GetSystemMetrics(SM_CYSMICON);
himl = ImageList_Create( iconX /*cx*/, iconY /*cy*/, ILC_COLOR32 /*flags*/,
4 /*cInitial*/, 0 /*cGrow*/);
if( himl == NULL )
{
p_taskbl->Release();
p_taskbl = NULL;
CoUninitialize();
return;
}
QPixmap img = QPixmap(":/win7/prev.svg").scaled( iconX, iconY );
QPixmap img2 = QPixmap(":/win7/pause.svg").scaled( iconX, iconY );
QPixmap img3 = QPixmap(":/win7/play.svg").scaled( iconX, iconY );
QPixmap img4 = QPixmap(":/win7/next.svg").scaled( iconX, iconY );
QBitmap mask = img.createMaskFromColor(Qt::transparent);
QBitmap mask2 = img2.createMaskFromColor(Qt::transparent);
QBitmap mask3 = img3.createMaskFromColor(Qt::transparent);
QBitmap mask4 = img4.createMaskFromColor(Qt::transparent);
if( -1 == ImageList_Add(himl, qt_pixmapToWinHBITMAP(img, PremultipliedAlpha), qt_pixmapToWinHBITMAP(mask)))
msg_Err( p_intf, "%s ImageList_Add failed", "First" );
if( -1 == ImageList_Add(himl, qt_pixmapToWinHBITMAP(img2, PremultipliedAlpha), qt_pixmapToWinHBITMAP(mask2)))
msg_Err( p_intf, "%s ImageList_Add failed", "Second" );
if( -1 == ImageList_Add(himl, qt_pixmapToWinHBITMAP(img3, PremultipliedAlpha), qt_pixmapToWinHBITMAP(mask3)))
msg_Err( p_intf, "%s ImageList_Add failed", "Third" );
if( -1 == ImageList_Add(himl, qt_pixmapToWinHBITMAP(img4, PremultipliedAlpha), qt_pixmapToWinHBITMAP(mask4)))
msg_Err( p_intf, "%s ImageList_Add failed", "Fourth" );
// Define an array of two buttons. These buttons provide images through an
// image list and also provide tooltips.
THUMBBUTTONMASK dwMask = THUMBBUTTONMASK(THB_BITMAP | THB_FLAGS);
THUMBBUTTON thbButtons[3];
thbButtons[0].dwMask = dwMask;
thbButtons[0].iId = 0;
thbButtons[0].iBitmap = 0;
thbButtons[0].dwFlags = THEMPL->count() > 1 ? THBF_ENABLED : THBF_HIDDEN;
thbButtons[1].dwMask = dwMask;
thbButtons[1].iId = 1;
thbButtons[1].iBitmap = 2;
thbButtons[1].dwFlags = THEMPL->count() > 0 ? THBF_ENABLED : THBF_HIDDEN;
thbButtons[2].dwMask = dwMask;
thbButtons[2].iId = 2;
thbButtons[2].iBitmap = 3;
thbButtons[2].dwFlags = THEMPL->count() > 1 ? THBF_ENABLED : THBF_HIDDEN;
hr = p_taskbl->ThumbBarSetImageList( winId, himl );
if( FAILED(hr) )
msg_Err( p_intf, "%s failed with error %08lx", "ThumbBarSetImageList",
hr );
else
{
hr = p_taskbl->ThumbBarAddButtons( winId, 3, thbButtons);
if( FAILED(hr) )
msg_Err( p_intf, "%s failed with error %08lx",
"ThumbBarAddButtons", hr );
}
connect( THEMIM, &PlayerController::playingStateChanged,
this, &WinTaskbarWidget::changeThumbbarButtons);
connect( THEMPL, &vlc::playlist::PlaylistControllerModel::countChanged,
this, &WinTaskbarWidget::playlistItemCountChanged );
if( THEMIM->getPlayingState() == PlayerController::PLAYING_STATE_PLAYING )
changeThumbbarButtons( THEMIM->getPlayingState() );
}
bool WinTaskbarWidget::nativeEventFilter(const QByteArray &, void *message, long* /* result */)
{
MSG * msg = static_cast<MSG*>( message );
if (msg->hwnd != WinId(m_window))
return false;
if (msg->message == taskbar_wmsg)
{
//We received the taskbarbuttoncreated, now we can really create the buttons
createTaskBarButtons();
}
switch( msg->message )
{
case WM_COMMAND:
if (HIWORD(msg->wParam) == THBN_CLICKED)
{
switch(LOWORD(msg->wParam))
{
case 0:
THEMPL->prev();
break;
case 1:
THEMPL->togglePlayPause();
break;
case 2:
THEMPL->next();
break;
}
}
break;
}
return false;
}
void WinTaskbarWidget::playlistItemCountChanged( size_t )
{
changeThumbbarButtons( THEMIM->getPlayingState() );
}
void WinTaskbarWidget::onVideoFullscreenChanged( bool fs )
{
if( !fs )
changeThumbbarButtons( THEMIM->getPlayingState() );
}
void WinTaskbarWidget::changeThumbbarButtons( PlayerController::PlayingState i_status )
{
if( p_taskbl == NULL )
return;
// Define an array of three buttons. These buttons provide images through an
// image list and also provide tooltips.
THUMBBUTTONMASK dwMask = THUMBBUTTONMASK(THB_BITMAP | THB_FLAGS);
THUMBBUTTON thbButtons[3];
//prev
thbButtons[0].dwMask = dwMask;
thbButtons[0].iId = 0;
thbButtons[0].iBitmap = 0;
thbButtons[0].dwFlags = THEMPL->count() > 1 ? THBF_ENABLED : THBF_HIDDEN;
//play/pause
thbButtons[1].dwMask = dwMask;
thbButtons[1].iId = 1;
thbButtons[1].dwFlags = THBF_ENABLED;
//next
thbButtons[2].dwMask = dwMask;
thbButtons[2].iId = 2;
thbButtons[2].iBitmap = 3;
thbButtons[2].dwFlags = THEMPL->count() > 1 ? THBF_ENABLED : THBF_HIDDEN;
switch( i_status )
{
case PlayerController::PLAYING_STATE_PLAYING:
{
thbButtons[1].iBitmap = 1;
break;
}
case PlayerController::PLAYING_STATE_STARTED:
case PlayerController::PLAYING_STATE_PAUSED:
case PlayerController::PLAYING_STATE_STOPPING:
case PlayerController::PLAYING_STATE_STOPPED:
{
thbButtons[1].iBitmap = 2;
break;
}
default:
return;
}
auto winId = WinId(m_window);
if (!winId)
{
msg_Err( p_intf, "ThumbBarUpdateButtons, window handle is null" );
return;
}
HRESULT hr = p_taskbl->ThumbBarUpdateButtons(winId, 3, thbButtons);
if(S_OK != hr)
msg_Err( p_intf, "ThumbBarUpdateButtons failed with error %08lx", hr );
// If a video is playing, let the vout handle the thumbnail.
if( !THEMIM->hasVideoOutput() )
{
hr = p_taskbl->SetThumbnailClip(winId, NULL);
if(S_OK != hr)
msg_Err( p_intf, "SetThumbnailClip failed with error %08lx", hr );
}
}
// MainInterface
MainCtxWin32::MainCtxWin32(qt_intf_t * _p_intf )
: MainCtx( _p_intf )
{
/* Volume keys */
p_intf->disable_volume_keys = var_InheritBool( _p_intf, "qt-disable-volume-keys" );
}
void MainCtxWin32::reloadPrefs()
{
p_intf->disable_volume_keys = var_InheritBool( p_intf, "qt-disable-volume-keys" );
MainCtx::reloadPrefs();
}
// InterfaceWindowHandlerWin32
InterfaceWindowHandlerWin32::InterfaceWindowHandlerWin32(qt_intf_t *_p_intf, MainCtx* mainCtx, QWindow* window, QObject *parent)
: InterfaceWindowHandler(_p_intf, mainCtx, window, parent)
#if QT_CLIENT_SIDE_DECORATION_AVAILABLE
, m_CSDWindowEventHandler(new CSDWin32EventHandler(mainCtx->useClientSideDecoration(),
_p_intf->p_compositor->type() == vlc::Compositor::Win7Compositor,
window, window))
#endif
{
QApplication::instance()->installNativeEventFilter(this);
}
InterfaceWindowHandlerWin32::~InterfaceWindowHandlerWin32()
{
QApplication::instance()->removeNativeEventFilter(this);
}
void InterfaceWindowHandlerWin32::toggleWindowVisiblity()
{
switch ( m_window->visibility() )
{
case QWindow::Hidden:
/* If hidden, show it */
m_window->show();
m_window->requestActivate();
break;
case QWindow::Minimized:
m_window->showNormal();
m_window->requestActivate();
break;
default:
{
/* check if any visible window is above vlc in the z-order,
* but ignore the ones always on top
* and the ones which can't be activated */
HWND winId = WinId(m_window);
if ( !winId )
break;
WINDOWINFO wi;
HWND hwnd;
wi.cbSize = sizeof( WINDOWINFO );
for( hwnd = GetNextWindow( winId, GW_HWNDPREV );
hwnd && ( !IsWindowVisible( hwnd ) || ( GetWindowInfo( hwnd, &wi ) &&
( wi.dwExStyle&WS_EX_NOACTIVATE ) ) );
hwnd = GetNextWindow( hwnd, GW_HWNDPREV ) )
{
}
if( !hwnd || !GetWindowInfo( hwnd, &wi ) || (wi.dwExStyle&WS_EX_TOPMOST) )
m_window->hide();
else
m_window->requestActivate();
}
break;
}
}
bool InterfaceWindowHandlerWin32::eventFilter(QObject* obj, QEvent* ev)
{
bool ret = InterfaceWindowHandler::eventFilter(obj, ev);
if (ret)
return ret;
if (ev->type() == QEvent::Resize)
{
/*
* Detects if window placement is not in its normal position (ex: win7 aero snap)
* This function compares the normal position (non snapped) to the current position.
* The current position is translated from screen referential to workspace referential
* to workspace referential
*/
m_isWindowTiled = false;
HWND winHwnd = WinId( m_window );
if ( !winHwnd )
return ret;
WINDOWPLACEMENT windowPlacement;
windowPlacement.length = sizeof( windowPlacement );
if ( GetWindowPlacement( winHwnd, &windowPlacement ) == 0 )
return ret;
if ( windowPlacement.showCmd != SW_SHOWNORMAL )
return ret;
HMONITOR monitor = MonitorFromWindow( winHwnd, MONITOR_DEFAULTTONEAREST );
MONITORINFO monitorInfo;
monitorInfo.cbSize = sizeof( monitorInfo );
if ( GetMonitorInfo( monitor, &monitorInfo ) == 0 )
return ret;
RECT windowRect;
if ( GetWindowRect( winHwnd, &windowRect ) == 0 )
return ret;
OffsetRect( &windowRect,
monitorInfo.rcMonitor.left - monitorInfo.rcWork.left ,
monitorInfo.rcMonitor.top - monitorInfo.rcWork.top );
m_isWindowTiled = ( EqualRect( &windowPlacement.rcNormalPosition, &windowRect ) == 0 );
}
return ret;
}
bool InterfaceWindowHandlerWin32::nativeEventFilter(const QByteArray &eventType, void *message, long *result)
{
MSG* msg = static_cast<MSG*>( message );
short cmd;
switch( msg->message )
{
case WM_APPCOMMAND:
cmd = GET_APPCOMMAND_LPARAM(msg->lParam);
if( p_intf->disable_volume_keys &&
( cmd == APPCOMMAND_VOLUME_DOWN ||
cmd == APPCOMMAND_VOLUME_UP ||
cmd == APPCOMMAND_VOLUME_MUTE ) )
{
break;
}
*result = TRUE;
switch(cmd)
{
case APPCOMMAND_MEDIA_PLAY_PAUSE:
THEMPL->togglePlayPause();
break;
case APPCOMMAND_MEDIA_PLAY:
THEMPL->play();
break;
case APPCOMMAND_MEDIA_PAUSE:
THEMPL->pause();
break;
case APPCOMMAND_MEDIA_CHANNEL_DOWN:
case APPCOMMAND_MEDIA_PREVIOUSTRACK:
THEMPL->prev();
break;
case APPCOMMAND_MEDIA_CHANNEL_UP:
case APPCOMMAND_MEDIA_NEXTTRACK:
THEMPL->next();
break;
case APPCOMMAND_MEDIA_STOP:
THEMPL->stop();
break;
case APPCOMMAND_MEDIA_RECORD:
THEMIM->toggleRecord();
break;
case APPCOMMAND_VOLUME_DOWN:
THEMIM->setVolumeDown();
break;
case APPCOMMAND_VOLUME_UP:
THEMIM->setVolumeUp();
break;
case APPCOMMAND_VOLUME_MUTE:
THEMIM->toggleMuted();
break;
case APPCOMMAND_MEDIA_FAST_FORWARD:
THEMIM->faster();
break;
case APPCOMMAND_MEDIA_REWIND:
THEMIM->slower();
break;
case APPCOMMAND_HELP:
THEDP->mediaInfoDialog();
break;
case APPCOMMAND_OPEN:
THEDP->simpleOpenDialog();
break;
default:
msg_Dbg( p_intf, "unknown APPCOMMAND = %d", cmd);
*result = FALSE;
break;
}
if (*result) return true;
break;
}
return false;
}
#if QT_CLIENT_SIDE_DECORATION_AVAILABLE
void InterfaceWindowHandlerWin32::updateCSDWindowSettings()
{
static_cast<CSDWin32EventHandler *>(m_CSDWindowEventHandler)->setUseClientSideDecoration(m_mainCtx->useClientSideDecoration());
}
#endif