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Diffstat (limited to 'src/Authoring/Studio/DragAndDrop/DropProxy.cpp')
| -rw-r--r-- | src/Authoring/Studio/DragAndDrop/DropProxy.cpp | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/src/Authoring/Studio/DragAndDrop/DropProxy.cpp b/src/Authoring/Studio/DragAndDrop/DropProxy.cpp deleted file mode 100644 index a8063105..00000000 --- a/src/Authoring/Studio/DragAndDrop/DropProxy.cpp +++ /dev/null @@ -1,324 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2002 NVIDIA Corporation. -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of Qt 3D Studio. -** -** $QT_BEGIN_LICENSE:GPL-EXCEPT$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3 as published by the Free Software -** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "Qt3DSCommonPrecompile.h" -#include "HotKeys.h" -#include "DropProxy.h" -#include "DropContainer.h" -#include "DropSource.h" -#include "Qt3DSFile.h" -#include "Qt3DSString.h" -#include "IDragable.h" - -#include <QtGui/qevent.h> -#include <QtWidgets/qwidget.h> - -//============================================================================= -/** - * Constructor - * @param inParent gesture listener that messages will be passed to - */ -CDropProxy::CDropProxy(CDropContainer *inParent) -{ - m_Parent = inParent; -} - -//============================================================================= -/** - * Destructor - */ -CDropProxy::~CDropProxy() -{ -} - -//============================================================================= -/** - * Called when a drag begins over a window. - */ -void CDropProxy::dragEnterEvent(QDragEnterEvent *event) -{ - event->ignore(); - if (GetDragItemCount(event->mimeData())) { - CDropContainer::TFlavorItr theItr = m_Parent->GetFlavorBegin(); - CDropContainer::TFlavorItr theEnd = m_Parent->GetFlavorEnd(); - - for (; theItr != theEnd; ++theItr) { - if (HasMainFlavor(event->mimeData(), *theItr)) { - event->accept(); - event->setDropAction(Qt::CopyAction); - break; - } - } - } -} - -//=============================================================================== -/** - * This will extract the Data from the OLEDropObject and convert it to a CDropSource. - * @param inDataObject the Win specific dropSource. - * @param inFlavor the Flavor we need. - * @param inItem the position of the data in the DataObject. - * @return Newly extracted or created DropSource. - * Note: if we created it we need to make sure we destroy this object. - */ -CDropSource *CDropProxy::GetDropSource(const QMimeData *inDataObject, long inFlavor, long inItem) -{ - const CDropSource *theDropSource = nullptr; - switch (inFlavor) { - case QT3DS_FLAVOR_FILE: - // Check if we have a Drop File on our hands. - if (inDataObject->hasUrls()) { - // Get the number of files being dragged - short theFileCount = inDataObject->urls().count(); - - // Only allow single files to be dragged - if (theFileCount > inItem && !inDataObject->urls().isEmpty()) { - QString filePath = inDataObject->urls().at(inItem).toLocalFile(); - theDropSource = CDropSourceFactory::Create(QT3DS_FLAVOR_FILE, filePath); - } - } - break; - - case QT3DS_FLAVOR_TEXT: - case QT3DS_FLAVOR_BASIC_OBJECTS: - case QT3DS_FLAVOR_ASSET_LIB: - case QT3DS_FLAVOR_ASSET_TL: - case QT3DS_FLAVOR_ASSET_UICFILE: - // make an asset out of this - // Get a pointer to the object - theDropSource = dynamic_cast<const CDropSource *>(inDataObject); - if (theDropSource && theDropSource->GetFlavor() != inFlavor) - theDropSource = nullptr; - break; - } - return const_cast<CDropSource *>(theDropSource); -} - -//=============================================================================== -/** - * This is to count the number of objects in the DataObject. - * @param inDataObject the WinSpecific dropobject - * @return The number of items found. - */ -long CDropProxy::GetDragItemCount(const QMimeData *inDataObject) -{ - long theCount = 0; - - // Check if we have a Drop File on our hands. - if (inDataObject->hasUrls()) { - // Get the number of files being dragged - theCount = inDataObject->urls().count(); - } else { - auto source = dynamic_cast<const CDropSource *>(inDataObject); - theCount = source != nullptr ? 1 : 0; - } - - return theCount; -} -//=============================================================================== -/** - * This will check the DataObject for the Flavor. - * @param inDataObject the Win specific data object. - * @param inFlavor the requested Flavor. - * @param true if the DataObject contains the flavor. - */ -bool CDropProxy::HasMainFlavor(const QMimeData *inDataObject, long inFlavor) -{ - if (inFlavor == QT3DS_FLAVOR_FILE) - return inDataObject->hasUrls(); - auto source = dynamic_cast<const CDropSource *>(inDataObject); - return source != nullptr && source->GetFlavor() == inFlavor; -} - -//============================================================================= -/** - * Called when a drag event leaves the window. May cause the drag to end if - * the mouse button is no longer down. - */ -void CDropProxy::dragLeaveEvent(QDragLeaveEvent *event) -{ - if (m_Parent) { - m_Parent->OnDragLeave(); - event->accept(); - } -} - -//============================================================================= -/** - * Called when an item is being dragged over this window. Passes the message - * on to the gesture listener. - */ -void CDropProxy::dragMoveEvent(QDragMoveEvent *event) -{ - bool theAcceptFlag = false; - - if (m_Parent) { - long theCount = GetDragItemCount(event->mimeData()); - for (long theIndex = 0; theIndex < theCount; ++theIndex) { - Qt::KeyboardModifiers theModifyerFlags = ReflectMouse(event->pos().x(), event->pos().y()); - - CDropContainer::TFlavorItr theItr = m_Parent->GetFlavorBegin(); - CDropContainer::TFlavorItr theEnd = m_Parent->GetFlavorEnd(); - - for (; theItr != theEnd; ++theItr) { - // Find the Flavor of this Item. - if (HasMainFlavor(event->mimeData(), *theItr)) { - CDropSource *theDropSource = GetDropSource(event->mimeData(), *theItr, theIndex); - if (theDropSource) { - CPt thePoint(event->pos()); - theModifyerFlags = CHotKeys::GetCurrentKeyModifiers(); - theDropSource->SetCurrentPoint(thePoint); - theDropSource->SetCurrentFlags(theModifyerFlags); - - theDropSource->InterpretKeyFlags(theModifyerFlags); - // This will be implemented in the cross platform code. - theAcceptFlag = m_Parent->OnDragWithin(*theDropSource); - event->setAccepted(theAcceptFlag); - if (theAcceptFlag) { - if (theDropSource->CanCopy()) - event->setDropAction(Qt::CopyAction); - else - event->setDropAction(Qt::MoveAction); - // Breakout of the outer loop. - theIndex = theCount; - } - - // delete the drop source if it was a file - if (QT3DS_FLAVOR_FILE == theDropSource->GetFlavor()) { - delete theDropSource; - } - break; - } - } - } - } - } -} - -//============================================================================= -/** - * Called when an OLE item is dropped on this window. - * @return TRUE if the drop was valid, otherwise FALSE - */ -void CDropProxy::dropEvent(QDropEvent *event) -{ - if (m_Parent) { - long theCount = GetDragItemCount(event->mimeData()); - for (long theIndex = 0; theIndex < theCount; ++theIndex) { - Qt::KeyboardModifiers theModifyerFlags = ReflectMouse(event->pos().x(), event->pos().y()); - - theModifyerFlags = CHotKeys::GetCurrentKeyModifiers(); - - CDropContainer::TFlavorItr theItr = m_Parent->GetFlavorBegin(); - CDropContainer::TFlavorItr theEnd = m_Parent->GetFlavorEnd(); - - for (; theItr != theEnd; ++theItr) { - // Find the Flavor of this Item. - if (HasMainFlavor(event->mimeData(), *theItr)) { - // This will convert all stuff into a DropSource - CDropSource *theDropSource = GetDropSource(event->mimeData(), *theItr, theIndex); - - // This will be implemented in the cross platform code. - if (theDropSource) { - CPt thePoint(event->pos()); - theDropSource->SetCurrentPoint(thePoint); - theDropSource->SetCurrentFlags(theModifyerFlags); - - // Don't call the recieve if we did not have a valid droptarget to begin - // with. - if (theDropSource->GetHasValidTarget()) { - theDropSource->InterpretKeyFlags(theModifyerFlags); - // This will be implemented in the cross platform code. - m_Parent->OnDragReceive(*theDropSource); - } - } - - // Don't delete the drop source here, the creator will destroy it - // delete theDropSource; - } - } - } - } - - event->accept(); -} -//=============================================================================== -/** - * This function is used to report back to the container where the mouse is during a drag. - * The container can send this to children as MouseOvers so the children can do mouseover - *things. - * @param inX the X position - * @param inY the Y position. - * @return the Key modifyers. - */ -Qt::KeyboardModifiers CDropProxy::ReflectMouse(long inX, long inY) -{ - Qt::KeyboardModifiers theModifierFlags = Qt::NoModifier; - - if (m_Parent) { - // Get the mouse stuff - CPt theMouseLoc(inX, inY); - - // Determine which modifier keys are down so that we can pass them along - - theModifierFlags = CHotKeys::GetCurrentKeyModifiers(); - - // Pass the gesture into the studio control - m_Parent->OnReflectMouse(theMouseLoc, theModifierFlags); - } - return theModifierFlags; -} - -void CDropProxy::Register(QWidget *widget) -{ - widget->installEventFilter(this); - widget->setAcceptDrops(true); -} - -bool CDropProxy::eventFilter(QObject *watched, QEvent *event) -{ - Q_UNUSED(watched); - - switch (event->type()) { - case QEvent::DragEnter: - dragEnterEvent(static_cast<QDragEnterEvent *>(event)); - return event->isAccepted(); - case QEvent::DragLeave: - dragLeaveEvent(static_cast<QDragLeaveEvent *>(event)); - return event->isAccepted(); - case QEvent::DragMove: - dragMoveEvent(static_cast<QDragMoveEvent *>(event)); - return event->isAccepted(); - case QEvent::Drop: - dropEvent(static_cast<QDropEvent *>(event)); - return event->isAccepted(); - default: - return false; - } -} |