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/****************************************************************************
**
** 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 "WidgetControl.h"
#include "Control.h"
#include "DropSource.h"
#include "IDragable.h"
#include "OffscreenRenderer.h"
#include "Pt.h"
#include "Rct.h"
#include "Qt3DSFile.h"
#include <QtGui/qdrag.h>
#include <QtGui/qevent.h>
#include <QtGui/qpainter.h>
#include <QtWidgets/qmenu.h>
WidgetControl::WidgetControl(CControl *control, QWidget *parent)
: QWidget(parent)
, m_control(control)
{
Q_ASSERT(control);
setControlSize(sizeHint());
}
WidgetControl::~WidgetControl()
{
}
bool WidgetControl::event(QEvent *event)
{
if (event->type() == QEvent::ShortcutOverride) {
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
if (ke->key() == Qt::Key_C && ke->modifiers() == Qt::ControlModifier)
m_control->OnKeyDown(ke->key(), ke->modifiers());
}
return QWidget::event(event);
}
void WidgetControl::showEvent(QShowEvent *event)
{
QWidget::showEvent(event);
}
void WidgetControl::paintEvent(QPaintEvent *event)
{
QPainter painter(this);
const auto boundRect = QRect(QPoint(0,0), size());
CWinRenderer renderer(&painter, boundRect);
CRct rect(event->rect());
m_control->OnDraw(&renderer, rect, true);
QWidget::paintEvent(event);
}
void WidgetControl::resizeEvent(QResizeEvent *event)
{
setControlSize(event->size());
QWidget::resizeEvent(event);
}
void WidgetControl::keyPressEvent(QKeyEvent *event)
{
QWidget::keyPressEvent(event);
m_control->OnKeyDown(event->key(), event->modifiers());
m_control->OnChar(event->text(), event->modifiers());
}
void WidgetControl::keyReleaseEvent(QKeyEvent *event)
{
m_control->OnKeyUp(event->key(), event->modifiers());
QWidget::keyReleaseEvent(event);
}
void WidgetControl::mousePressEvent(QMouseEvent *event)
{
const auto pos = CPt(event->pos());
if (m_isLeftMouseDown)
m_control->OnMouseUp(pos, event->modifiers());
m_isLeftMouseDown = (event->button() == Qt::LeftButton);
if (m_isLeftMouseDown)
m_control->OnMouseDown(pos, event->modifiers());
else
m_control->OnMouseRDown(pos, event->modifiers());
setFocus();
QWidget::mousePressEvent(event);
}
void WidgetControl::mouseReleaseEvent(QMouseEvent *event)
{
const auto pos = CPt(event->pos());
if (event->button() == Qt::LeftButton) {
m_isLeftMouseDown = false;
m_control->OnMouseUp(pos, event->modifiers());
} else {
m_control->OnMouseRUp(pos, event->modifiers());
}
QWidget::mouseReleaseEvent(event);
}
void WidgetControl::mouseMoveEvent(QMouseEvent *event)
{
m_control->OnMouseMove(event->pos(), event->modifiers());
QWidget::mouseMoveEvent(event);
}
void WidgetControl::mouseDoubleClickEvent(QMouseEvent *event)
{
// call QWidget handler first to not deliver OnMouseDown after OnMouseDoubleClick
QWidget::mouseDoubleClickEvent(event);
m_control->OnMouseDoubleClick(event->pos(), event->modifiers());
}
void WidgetControl::wheelEvent(QWheelEvent *event)
{
m_control->OnMouseWheel(event->pos(), event->angleDelta().y(), event->modifiers());
QWidget::wheelEvent(event);
}
void WidgetControl::enterEvent(QEvent *event)
{
setMouseTracking(true);
m_control->OnMouseHover(mapFromGlobal(QCursor::pos()), {});
QWidget::enterEvent(event);
}
void WidgetControl::leaveEvent(QEvent *event)
{
setMouseTracking(false);
m_control->OnMouseOut(mapFromGlobal(QCursor::pos()), {});
QWidget::leaveEvent(event);
}
void WidgetControl::focusInEvent(QFocusEvent *event)
{
m_control->OnGainFocus();
QWidget::focusInEvent(event);
}
void WidgetControl::focusOutEvent(QFocusEvent *event)
{
if (!m_isContextMenuShown)
m_control->OnLoseFocus();
QWidget::focusOutEvent(event);
}
QSize WidgetControl::sizeHint() const
{
const auto preferredSize = m_control->GetPreferredSize();
return QSize(preferredSize.x, preferredSize.y);
}
/*
* CPaletteManager::GetTimelineControl() needs a way of accessing
* the CControl inside the widget
*/
CControl *WidgetControl::getControl() const
{
return m_control;
}
void WidgetControl::setControlSize(const QSize &size)
{
m_control->SetSize(size.width(), size.height());
}
bool WidgetControl::OnDragWithin(CDropSource &inSource)
{
bool theReturn = false;
CPt thePoint = inSource.GetCurrentPoint();
Qt::KeyboardModifiers theFlags = inSource.GetCurrentFlags();
CDropTarget *theDropTarget = m_control->FindDropCandidate(
thePoint, theFlags, static_cast<EStudioObjectType>(inSource.GetObjectType()),
static_cast<Q3DStudio::DocumentEditorFileType::Enum>(inSource.getFileType()));
if (theDropTarget) {
theReturn = theDropTarget->Accept(inSource);
delete theDropTarget;
}
return theReturn;
}
bool WidgetControl::OnDragReceive(CDropSource &inSource)
{
bool theReturn = false;
CPt thePoint = inSource.GetCurrentPoint();
Qt::KeyboardModifiers theFlags = inSource.GetCurrentFlags();
CDropTarget *theDropTarget = m_control->FindDropCandidate(
thePoint, theFlags, static_cast<EStudioObjectType>(inSource.GetObjectType()),
static_cast<Q3DStudio::DocumentEditorFileType::Enum>(inSource.getFileType()));
if (theDropTarget) {
theReturn = theDropTarget->Drop(inSource);
delete theDropTarget;
}
return theReturn;
}
void WidgetControl::OnDragLeave()
{
m_control->OnMouseMove(CPt(-1, -1), 0);
}
void WidgetControl::OnReflectMouse(CPt &inPoint, Qt::KeyboardModifiers inFlags)
{
// Notify the control that the mouse moved
m_control->OnMouseMove(inPoint, inFlags /*CHotKeys::GetCurrentKeyModifiers( )*/);
// If the control invalidated because of a mouse event then we want to do an immediate redraw.
// this ensures consistent visible feedback.
if (m_control->IsChildInvalidated())
repaint();
}
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