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breeze/kstyle/breezewindowmanager.cpp

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/*************************************************************************
* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.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 . *
*************************************************************************/
//////////////////////////////////////////////////////////////////////////////
// breezewindowmanager.cpp
// pass some window mouse press/release/move event actions to window manager
// -------------------
//
// Copyright (c) 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Largely inspired from BeSpin style
// Copyright (C) 2007 Thomas Luebking <thomas.luebking@web.de>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////
#include "breezewindowmanager.h"
#include "breezepropertynames.h"
#include "breezehelper.h"
#include <QComboBox>
#include <QDialog>
#include <QDockWidget>
#include <QGraphicsView>
#include <QGroupBox>
#include <QLabel>
#include <QListView>
#include <QMainWindow>
#include <QMdiSubWindow>
#include <QMenuBar>
#include <QMouseEvent>
#include <QProgressBar>
#include <QScrollBar>
#include <QStatusBar>
#include <QStyle>
#include <QStyleOptionGroupBox>
#include <QTabBar>
#include <QTabWidget>
#include <QToolBar>
#include <QToolButton>
#include <QTreeView>
#include <QTextStream>
#if QT_VERSION >= 0x050300
// needed to deal with device pixel ratio
#include <QWindow>
#endif
#if QT_VERSION >= 0x050000
// needed to enable dragging from QQuickWindows
#include <QQuickItem>
#include <QQuickWindow>
#endif
#if BREEZE_HAVE_X11
#include <QX11Info>
#include <xcb/xcb.h>
#if BREEZE_USE_KDE4
#include <NETRootInfo>
#else
#include <NETWM>
#endif
#endif
#if BREEZE_HAVE_KWAYLAND
#include <KWayland/Client/connection_thread.h>
#include <KWayland/Client/pointer.h>
#include <KWayland/Client/registry.h>
#include <KWayland/Client/shell.h>
#include <KWayland/Client/seat.h>
#endif
namespace Util
{
template<class T>
inline T makeT( std::initializer_list<typename T::key_type>&& reference )
{
#if QT_VERSION >= 0x050100
return T( std::move( reference ) );
#else
// for old QT versions there is no container constructor from initializer_list
T out;
for( auto&& value:std::move(reference) ) { out.insert( value ); }
return out;
#endif
}
}
namespace Breeze
{
//* provide application-wise event filter
/**
it us used to unlock dragging and make sure event look is properly restored
after a drag has occurred
*/
class AppEventFilter: public QObject
{
public:
//* constructor
explicit AppEventFilter( WindowManager* parent ):
QObject( parent ),
_parent( parent )
{}
//* event filter
virtual bool eventFilter( QObject* object, QEvent* event )
{
if( event->type() == QEvent::MouseButtonRelease )
{
// stop drag timer
if( _parent->_dragTimer.isActive() )
{ _parent->resetDrag(); }
// unlock
if( _parent->isLocked() )
{ _parent->setLocked( false ); }
}
if( !_parent->enabled() ) return false;
/*
if a drag is in progress, the widget will not receive any event
we trigger on the first MouseMove or MousePress events that are received
by any widget in the application to detect that the drag is finished
*/
if( _parent->useWMMoveResize() && _parent->_dragInProgress && _parent->_target && ( event->type() == QEvent::MouseMove || event->type() == QEvent::MouseButtonPress ) )
{ return appMouseEvent( object, event ); }
return false;
}
protected:
//* application-wise event.
/** needed to catch end of XMoveResize events */
bool appMouseEvent( QObject*, QEvent* event )
{
#if BREEZE_USE_KDE4
// store target window (see later)
QWidget* window( _parent->_target.data()->window() );
#else
Q_UNUSED( event );
#endif
/*
post some mouseRelease event to the target, in order to counter balance
the mouse press that triggered the drag. Note that it triggers a resetDrag
*/
QMouseEvent mouseEvent( QEvent::MouseButtonRelease, _parent->_dragPoint, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier );
qApp->sendEvent( _parent->_target.data(), &mouseEvent );
#if BREEZE_USE_KDE4
if( event->type() == QEvent::MouseMove )
{
/*
HACK: quickly move the main cursor out of the window and back
this is needed to get the focus right for the window children
the origin of this issue is unknown at the moment.
This apparently got fixed with qt5
*/
const QPoint cursor = QCursor::pos();
QCursor::setPos(window->mapToGlobal( window->rect().topRight() ) + QPoint(1, 0) );
QCursor::setPos(cursor);
}
#endif
return false;
}
private:
//* parent
WindowManager* _parent = nullptr;
};
//_____________________________________________________________
WindowManager::WindowManager( QObject* parent ):
QObject( parent )
{
// install application wise event filter
_appEventFilter = new AppEventFilter( this );
qApp->installEventFilter( _appEventFilter );
}
//_____________________________________________________________
void WindowManager::initialize()
{
setEnabled( StyleConfigData::windowDragMode() != StyleConfigData::WD_NONE );
setDragMode( StyleConfigData::windowDragMode() );
setUseWMMoveResize( StyleConfigData::useWMMoveResize() );
setDragDistance( QApplication::startDragDistance() );
setDragDelay( QApplication::startDragTime() );
initializeWhiteList();
initializeBlackList();
initializeWayland();
}
//_______________________________________________________
void WindowManager::initializeWayland()
{
#if BREEZE_HAVE_KWAYLAND
if( !Helper::isWayland() ) return;
if( _seat ) return;
using namespace KWayland::Client;
auto connection = ConnectionThread::fromApplication( this );
if( !connection ) return;
auto registry = new Registry( this );
registry->create( connection );
connect(registry, &Registry::interfacesAnnounced, this,
[registry, this] {
const auto interface = registry->interface( Registry::Interface::Seat );
if( interface.name != 0 )
{
_seat = registry->createSeat( interface.name, interface.version, this );
connect(_seat, &Seat::hasPointerChanged, this, &WindowManager::waylandHasPointerChanged);
}
}
);
registry->setup();
connection->roundtrip();
#endif
}
//_______________________________________________________
void WindowManager::waylandHasPointerChanged(bool hasPointer)
{
#if BREEZE_HAVE_KWAYLAND
Q_ASSERT( _seat );
if( hasPointer )
{
if( !_pointer )
{
_pointer = _seat->createPointer(this);
connect(_pointer, &KWayland::Client::Pointer::buttonStateChanged, this,
[this] (quint32 serial) { _waylandSerial = serial; }
);
}
} else {
delete _pointer;
_pointer = nullptr;
}
#else
Q_UNUSED( hasPointer );
#endif
}
//_____________________________________________________________
void WindowManager::registerWidget( QWidget* widget )
{
if( isBlackListed( widget ) || isDragable( widget ) )
{
/*
install filter for dragable widgets.
also install filter for blacklisted widgets
to be able to catch the relevant events and prevent
the drag to happen
*/
widget->removeEventFilter( this );
widget->installEventFilter( this );
}
}
#if !BREEZE_USE_KDE4
//_____________________________________________________________
void WindowManager::registerQuickItem( QQuickItem* item )
{
if ( !item ) return;
if( auto window = item->window() )
{
auto contentItem = window->contentItem();
contentItem->setAcceptedMouseButtons( Qt::LeftButton );
contentItem->removeEventFilter( this );
contentItem->installEventFilter( this );
}
}
#endif
//_____________________________________________________________
void WindowManager::unregisterWidget( QWidget* widget )
{ if( widget ) widget->removeEventFilter( this ); }
//_____________________________________________________________
void WindowManager::initializeWhiteList()
{
_whiteList = Util::makeT<ExceptionSet>({
ExceptionId( QStringLiteral( "MplayerWindow" ) ),
ExceptionId( QStringLiteral( "ViewSliders@kmix" ) ),
ExceptionId( QStringLiteral( "Sidebar_Widget@konqueror" ) )
});
foreach( const QString& exception, StyleConfigData::windowDragWhiteList() )
{
ExceptionId id( exception );
if( !id.className().isEmpty() )
{ _whiteList.insert( ExceptionId( exception ) ); }
}
}
//_____________________________________________________________
void WindowManager::initializeBlackList()
{
_blackList = Util::makeT<ExceptionSet>({
ExceptionId( QStringLiteral( "CustomTrackView@kdenlive" ) ),
ExceptionId( QStringLiteral( "MuseScore" ) ),
ExceptionId( QStringLiteral( "KGameCanvasWidget" ) )
});
foreach( const QString& exception, StyleConfigData::windowDragBlackList() )
{
ExceptionId id( exception );
if( !id.className().isEmpty() )
{ _blackList.insert( ExceptionId( exception ) ); }
}
}
//_____________________________________________________________
bool WindowManager::eventFilter( QObject* object, QEvent* event )
{
if( !enabled() ) return false;
switch ( event->type() )
{
case QEvent::MouseButtonPress:
return mousePressEvent( object, event );
break;
case QEvent::MouseMove:
if ( object == _target.data()
#if !BREEZE_USE_KDE4
|| object == _quickTarget.data()
#endif
) return mouseMoveEvent( object, event );
break;
case QEvent::MouseButtonRelease:
if ( _target
#if !BREEZE_USE_KDE4
|| _quickTarget
#endif
) return mouseReleaseEvent( object, event );
break;
default:
break;
}
return false;
}
//_____________________________________________________________
void WindowManager::timerEvent( QTimerEvent* event )
{
if( event->timerId() == _dragTimer.timerId() )
{
_dragTimer.stop();
#if BREEZE_USE_KDE4
if( _target )
{ startDrag( _target.data()->window(), _globalDragPoint ); }
#else
if( _target ) startDrag( _target.data()->window()->windowHandle(), _globalDragPoint );
else if( _quickTarget ) startDrag( _quickTarget.data()->window(), _globalDragPoint );
#endif
} else {
return QObject::timerEvent( event );
}
}
//_____________________________________________________________
bool WindowManager::mousePressEvent( QObject* object, QEvent* event )
{
// cast event and check buttons/modifiers
auto mouseEvent = static_cast<QMouseEvent*>( event );
if( !( mouseEvent->modifiers() == Qt::NoModifier && mouseEvent->button() == Qt::LeftButton ) )
{ return false; }
// check lock
if( isLocked() ) return false;
else setLocked( true );
#if !BREEZE_USE_KDE4
// check QQuickItem - we can immediately start drag, because QQuickWindow's contentItem
// only receives mouse events that weren't handled by children
if( auto item = qobject_cast<QQuickItem*>( object ) )
{
_quickTarget = item;
_dragPoint = mouseEvent->pos();
_globalDragPoint = mouseEvent->globalPos();
if( _dragTimer.isActive() ) _dragTimer.stop();
_dragTimer.start( _dragDelay, this );
return true;
}
#endif
// cast to widget
auto widget = static_cast<QWidget*>( object );
// check if widget can be dragged from current position
if( isBlackListed( widget ) || !canDrag( widget ) ) return false;
// retrieve widget's child at event position
auto position( mouseEvent->pos() );
auto child = widget->childAt( position );
if( !canDrag( widget, child, position ) ) return false;
// save target and drag point
_target = widget;
_dragPoint = position;
_globalDragPoint = mouseEvent->globalPos();
_dragAboutToStart = true;
// send a move event to the current child with same position
// if received, it is caught to actually start the drag
auto localPoint( _dragPoint );
if( child ) localPoint = child->mapFrom( widget, localPoint );
else child = widget;
QMouseEvent localMouseEvent( QEvent::MouseMove, localPoint, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier );
qApp->sendEvent( child, &localMouseEvent );
// never eat event
return false;
}
//_____________________________________________________________
bool WindowManager::mouseMoveEvent( QObject* object, QEvent* event )
{
Q_UNUSED( object );
// stop timer
if( _dragTimer.isActive() ) _dragTimer.stop();
// cast event and check drag distance
auto mouseEvent = static_cast<QMouseEvent*>( event );
if( !_dragInProgress )
{
if( _dragAboutToStart )
{
if( mouseEvent->pos() == _dragPoint )
{
// start timer,
_dragAboutToStart = false;
if( _dragTimer.isActive() ) _dragTimer.stop();
_dragTimer.start( _dragDelay, this );
} else resetDrag();
} else if( QPoint( mouseEvent->globalPos() - _globalDragPoint ).manhattanLength() >= _dragDistance ) {
_dragTimer.start( 0, this );
}
return true;
} else if( !useWMMoveResize() && _target ) {
// use QWidget::move for the grabbing
/* this works only if the sending object and the target are identical */
auto window( _target.data()->window() );
window->move( window->pos() + mouseEvent->pos() - _dragPoint );
return true;
} else return false;
}
//_____________________________________________________________
bool WindowManager::mouseReleaseEvent( QObject* object, QEvent* event )
{
Q_UNUSED( object );
Q_UNUSED( event );
resetDrag();
return false;
}
//_____________________________________________________________
bool WindowManager::isDragable( QWidget* widget )
{
// check widget
if( !widget ) return false;
// accepted default types
if(
( qobject_cast<QDialog*>( widget ) && widget->isWindow() ) ||
( qobject_cast<QMainWindow*>( widget ) && widget->isWindow() ) ||
qobject_cast<QGroupBox*>( widget ) )
{ return true; }
// more accepted types, provided they are not dock widget titles
if( ( qobject_cast<QMenuBar*>( widget ) ||
qobject_cast<QTabBar*>( widget ) ||
qobject_cast<QStatusBar*>( widget ) ||
qobject_cast<QToolBar*>( widget ) ) &&
!isDockWidgetTitle( widget ) )
{ return true; }
if( widget->inherits( "KScreenSaver" ) && widget->inherits( "KCModule" ) )
{ return true; }
if( isWhiteListed( widget ) )
{ return true; }
// flat toolbuttons
if( auto toolButton = qobject_cast<QToolButton*>( widget ) )
{ if( toolButton->autoRaise() ) return true; }
// viewports
/*
one needs to check that
1/ the widget parent is a scrollarea
2/ it matches its parent viewport
3/ the parent is not blacklisted
*/
if( auto listView = qobject_cast<QListView*>( widget->parentWidget() ) )
{ if( listView->viewport() == widget && !isBlackListed( listView ) ) return true; }
if( auto treeView = qobject_cast<QTreeView*>( widget->parentWidget() ) )
{ if( treeView->viewport() == widget && !isBlackListed( treeView ) ) return true; }
/*
catch labels in status bars.
this is because of kstatusbar
who captures buttonPress/release events
*/
if( auto label = qobject_cast<QLabel*>( widget ) )
{
if( label->textInteractionFlags().testFlag( Qt::TextSelectableByMouse ) ) return false;
QWidget* parent = label->parentWidget();
while( parent )
{
if( qobject_cast<QStatusBar*>( parent ) ) return true;
parent = parent->parentWidget();
}
}
return false;
}
//_____________________________________________________________
bool WindowManager::isBlackListed( QWidget* widget )
{
// check against noAnimations propery
const auto propertyValue( widget->property( PropertyNames::noWindowGrab ) );
if( propertyValue.isValid() && propertyValue.toBool() ) return true;
// list-based blacklisted widgets
const auto appName( qApp->applicationName() );
foreach( const ExceptionId& id, _blackList )
{
if( !id.appName().isEmpty() && id.appName() != appName ) continue;
if( id.className() == QStringLiteral( "*" ) && !id.appName().isEmpty() )
{
// if application name matches and all classes are selected
// disable the grabbing entirely
setEnabled( false );
return true;
}
if( widget->inherits( id.className().toLatin1().data() ) ) return true;
}
return false;
}
//_____________________________________________________________
bool WindowManager::isWhiteListed( QWidget* widget ) const
{
const auto appName( qApp->applicationName() );
foreach( const ExceptionId& id, _whiteList )
{
if( !(id.appName().isEmpty() || id.appName() == appName ) ) continue;
if( widget->inherits( id.className().toLatin1().data() ) ) return true;
}
return false;
}
//_____________________________________________________________
bool WindowManager::canDrag( QWidget* widget )
{
// check if enabled
if( !enabled() ) return false;
// assume isDragable widget is already passed
// check some special cases where drag should not be effective
// check mouse grabber
if( QWidget::mouseGrabber() ) return false;
/*
check cursor shape.
Assume that a changed cursor means that some action is in progress
and should prevent the drag
*/
if( widget->cursor().shape() != Qt::ArrowCursor ) return false;
// accept
return true;
}
//_____________________________________________________________
bool WindowManager::canDrag( QWidget* widget, QWidget* child, const QPoint& position )
{
// retrieve child at given position and check cursor again
if( child && child->cursor().shape() != Qt::ArrowCursor ) return false;
/*
check against children from which drag should never be enabled,
even if mousePress/Move has been passed to the parent
*/
if( child && (
qobject_cast<QComboBox*>(child ) ||
qobject_cast<QProgressBar*>( child ) ||
qobject_cast<QScrollBar*>( child ) ) )
{ return false; }
// tool buttons
if( auto toolButton = qobject_cast<QToolButton*>( widget ) )
{
if( dragMode() == StyleConfigData::WD_MINIMAL && !qobject_cast<QToolBar*>(widget->parentWidget() ) ) return false;
return toolButton->autoRaise() && !toolButton->isEnabled();
}
// check menubar
if( auto menuBar = qobject_cast<QMenuBar*>( widget ) )
{
// do not drag from menubars embedded in Mdi windows
if( findParent<QMdiSubWindow*>( widget ) ) return false;
// check if there is an active action
if( menuBar->activeAction() && menuBar->activeAction()->isEnabled() ) return false;
// check if action at position exists and is enabled
if( auto action = menuBar->actionAt( position ) )
{
if( action->isSeparator() ) return true;
if( action->isEnabled() ) return false;
}
// return true in all other cases
return true;
}
/*
in MINIMAL mode, anything that has not been already accepted
and does not come from a toolbar is rejected
*/
if( dragMode() == StyleConfigData::WD_MINIMAL )
{
if( qobject_cast<QToolBar*>( widget ) ) return true;
else return false;
}
/* following checks are relevant only for WD_FULL mode */
// tabbar. Make sure no tab is under the cursor
if( auto tabBar = qobject_cast<QTabBar*>( widget ) )
{ return tabBar->tabAt( position ) == -1; }
/*
check groupboxes
prevent drag if unchecking grouboxes
*/
if( auto groupBox = qobject_cast<QGroupBox*>( widget ) )
{
// non checkable group boxes are always ok
if( !groupBox->isCheckable() ) return true;
// gather options to retrieve checkbox subcontrol rect
QStyleOptionGroupBox opt;
opt.initFrom( groupBox );
if( groupBox->isFlat() ) opt.features |= QStyleOptionFrameV2::Flat;
opt.lineWidth = 1;
opt.midLineWidth = 0;
opt.text = groupBox->title();
opt.textAlignment = groupBox->alignment();
opt.subControls = (QStyle::SC_GroupBoxFrame | QStyle::SC_GroupBoxCheckBox);
if (!groupBox->title().isEmpty()) opt.subControls |= QStyle::SC_GroupBoxLabel;
opt.state |= (groupBox->isChecked() ? QStyle::State_On : QStyle::State_Off);
// check against groupbox checkbox
if( groupBox->style()->subControlRect(QStyle::CC_GroupBox, &opt, QStyle::SC_GroupBoxCheckBox, groupBox ).contains( position ) )
{ return false; }
// check against groupbox label
if( !groupBox->title().isEmpty() && groupBox->style()->subControlRect(QStyle::CC_GroupBox, &opt, QStyle::SC_GroupBoxLabel, groupBox ).contains( position ) )
{ return false; }
return true;
}
// labels
if( auto label = qobject_cast<QLabel*>( widget ) )
{ if( label->textInteractionFlags().testFlag( Qt::TextSelectableByMouse ) ) return false; }
// abstract item views
QAbstractItemView* itemView( nullptr );
if(
( itemView = qobject_cast<QListView*>( widget->parentWidget() ) ) ||
( itemView = qobject_cast<QTreeView*>( widget->parentWidget() ) ) )
{
if( widget == itemView->viewport() )
{
// QListView
if( itemView->frameShape() != QFrame::NoFrame ) return false;
else if(
itemView->selectionMode() != QAbstractItemView::NoSelection &&
itemView->selectionMode() != QAbstractItemView::SingleSelection &&
itemView->model() && itemView->model()->rowCount() ) return false;
else if( itemView->model() && itemView->indexAt( position ).isValid() ) return false;
}
} else if( ( itemView = qobject_cast<QAbstractItemView*>( widget->parentWidget() ) ) ) {
if( widget == itemView->viewport() )
{
// QAbstractItemView
if( itemView->frameShape() != QFrame::NoFrame ) return false;
else if( itemView->indexAt( position ).isValid() ) return false;
}
} else if( auto graphicsView = qobject_cast<QGraphicsView*>( widget->parentWidget() ) ) {
if( widget == graphicsView->viewport() )
{
// QGraphicsView
if( graphicsView->frameShape() != QFrame::NoFrame ) return false;
else if( graphicsView->dragMode() != QGraphicsView::NoDrag ) return false;
else if( graphicsView->itemAt( position ) ) return false;
}
}
return true;
}
//____________________________________________________________
void WindowManager::resetDrag()
{
if( (!useWMMoveResize() ) && _target && _cursorOverride ) {
qApp->restoreOverrideCursor();
_cursorOverride = false;
}
_target.clear();
#if !BREEZE_USE_KDE4
_quickTarget.clear();
#endif
if( _dragTimer.isActive() ) _dragTimer.stop();
_dragPoint = QPoint();
_globalDragPoint = QPoint();
_dragAboutToStart = false;
_dragInProgress = false;
}
//____________________________________________________________
void WindowManager::startDrag( Window* window, const QPoint& position )
{
if( !( enabled() && window ) ) return;
if( QWidget::mouseGrabber() ) return;
// ungrab pointer
if( useWMMoveResize() )
{
if( Helper::isX11() ) startDragX11( window, position );
else if( Helper::isWayland() ) startDragWayland( window, position );
} else if( !_cursorOverride ) {
qApp->setOverrideCursor( Qt::SizeAllCursor );
_cursorOverride = true;
}
_dragInProgress = true;
}
//_______________________________________________________
void WindowManager::startDragX11( Window* window, const QPoint& position )
{
#if BREEZE_HAVE_X11
// connection
auto connection( Helper::connection() );
#if QT_VERSION >= 0x050300
const qreal dpiRatio = window->devicePixelRatio();
#else
const qreal dpiRatio = 1;
#endif
#if BREEZE_USE_KDE4
auto net_connection = QX11Info::display();
#else
auto net_connection = connection;
#endif
xcb_ungrab_pointer( connection, XCB_TIME_CURRENT_TIME );
NETRootInfo( net_connection, NET::WMMoveResize ).moveResizeRequest(
window->winId(), position.x() * dpiRatio,
position.y() * dpiRatio,
NET::Move );
#else
Q_UNUSED( window );
Q_UNUSED( position );
#endif
}
//_______________________________________________________
void WindowManager::startDragWayland( Window* window, const QPoint& )
{
#if BREEZE_HAVE_KWAYLAND
if( !_seat ) {
return;
}
auto shellSurface = KWayland::Client::ShellSurface::fromWindow(window);
if( !shellSurface )
{
// TODO: also check for xdg-shell in future
return;
}
shellSurface->requestMove( _seat, _waylandSerial );
#else
Q_UNUSED( window );
#endif
}
//____________________________________________________________
bool WindowManager::supportWMMoveResize() const
{
#if BREEZE_HAVE_KWAYLAND
if( Helper::isWayland() )
{
return true;
}
#endif
#if BREEZE_HAVE_X11
return Helper::isX11();
#else
return false;
#endif
}
//____________________________________________________________
bool WindowManager::isDockWidgetTitle( const QWidget* widget ) const
{
if( !widget ) return false;
if( auto dockWidget = qobject_cast<const QDockWidget*>( widget->parent() ) )
{
return widget == dockWidget->titleBarWidget();
} else return false;
}
}