99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
|
/******************************************************************************
|
||
|
|
* QSkinny - Copyright (C) 2016 Uwe Rathmann
|
||
|
|
* This file may be used under the terms of the QSkinny License, Version 1.0
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
#include "QskObjectTree.h"
|
||
|
|
#include <QQuickWindow>
|
||
|
|
#include <QQuickItem>
|
||
|
|
#include <QGuiApplication>
|
||
|
|
|
||
|
|
bool QskObjectTree::isRoot( const QObject* object )
|
||
|
|
{
|
||
|
|
return object == QGuiApplication::instance();
|
||
|
|
}
|
||
|
|
|
||
|
|
QObjectList QskObjectTree::childNodes( const QObject* object )
|
||
|
|
{
|
||
|
|
QObjectList children;
|
||
|
|
|
||
|
|
if ( object == nullptr )
|
||
|
|
{
|
||
|
|
for ( QWindow* window : QGuiApplication::topLevelWindows() )
|
||
|
|
children += window;
|
||
|
|
}
|
||
|
|
else if ( object->isWindowType() )
|
||
|
|
{
|
||
|
|
const auto childObjects = object->children();
|
||
|
|
|
||
|
|
for ( QObject* child : childObjects )
|
||
|
|
{
|
||
|
|
if ( child->isWindowType() )
|
||
|
|
{
|
||
|
|
children += child;
|
||
|
|
}
|
||
|
|
else if ( qobject_cast< QQuickItem* >( child ) )
|
||
|
|
{
|
||
|
|
children += child;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
const QQuickItem* item = static_cast< const QQuickItem* >( object );
|
||
|
|
|
||
|
|
const auto childItems = item->childItems();
|
||
|
|
for ( QQuickItem* child : childItems )
|
||
|
|
children += child;
|
||
|
|
}
|
||
|
|
|
||
|
|
return children;
|
||
|
|
}
|
||
|
|
|
||
|
|
QObject* QskObjectTree::parentNode( const QObject* object )
|
||
|
|
{
|
||
|
|
if ( object == nullptr )
|
||
|
|
return nullptr;
|
||
|
|
|
||
|
|
if ( object->isWindowType() )
|
||
|
|
{
|
||
|
|
QObject* parentObject = object->parent();
|
||
|
|
if ( parentObject == nullptr )
|
||
|
|
return QGuiApplication::instance();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( const QQuickItem* item = qobject_cast< const QQuickItem* >( object ) )
|
||
|
|
{
|
||
|
|
if ( item->parentItem() )
|
||
|
|
return item->parentItem();
|
||
|
|
|
||
|
|
return item->window();
|
||
|
|
}
|
||
|
|
|
||
|
|
return object->parent();
|
||
|
|
}
|
||
|
|
|
||
|
|
void QskObjectTree::traverseDown( QObject* object, Visitor& visitor )
|
||
|
|
{
|
||
|
|
const auto children = childNodes( object );
|
||
|
|
for ( QObject* child : children )
|
||
|
|
{
|
||
|
|
const bool done = visitor.visitDown( child );
|
||
|
|
if ( !done )
|
||
|
|
traverseDown( child, visitor );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void QskObjectTree::traverseUp( QObject* object, Visitor& visitor )
|
||
|
|
{
|
||
|
|
QObject* parent = parentNode( object );
|
||
|
|
if ( parent )
|
||
|
|
{
|
||
|
|
const bool done = visitor.visitUp( parent );
|
||
|
|
if ( !done )
|
||
|
|
traverseUp( parent, visitor );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|