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148 lines
3.3 KiB
C++
148 lines
3.3 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Original file Copyright Crytek GMBH or its affiliates, used under license.
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#include "EditorDefs.h"
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#include "NumberCtrl.h"
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QNumberCtrl::QNumberCtrl(QWidget* parent)
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: QDoubleSpinBox(parent)
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, m_bMouseDown(false)
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, m_bDragged(false)
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, m_bUndoEnabled(false)
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, m_prevValue(0)
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{
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connect(this, &QAbstractSpinBox::editingFinished, this, &QNumberCtrl::onEditingFinished);
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}
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void QNumberCtrl::changeEvent(QEvent* event)
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{
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if (event->type() == QEvent::EnabledChange)
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{
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setButtonSymbols(isEnabled() ? UpDownArrows : NoButtons);
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}
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QDoubleSpinBox::changeEvent(event);
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}
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void QNumberCtrl::SetRange(double newMin, double newMax)
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{
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// Avoid setting this value if its close to the current value, because otherwise qt will pump events into the queue to redraw/etc.
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if ( (!AZ::IsClose(this->minimum(), newMin, DBL_EPSILON)) || (!AZ::IsClose(this->maximum(), newMax, DBL_EPSILON)) )
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{
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setRange(newMin, newMax);
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}
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}
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void QNumberCtrl::mousePressEvent(QMouseEvent* event)
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{
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if (event->button() == Qt::LeftButton)
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{
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emit mousePressed();
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m_bMouseDown = true;
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m_bDragged = false;
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m_mousePos = event->pos();
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if (m_bUndoEnabled && !CUndo::IsRecording())
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{
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GetIEditor()->BeginUndo();
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}
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emit dragStarted();
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grabMouse();
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}
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QDoubleSpinBox::mousePressEvent(event);
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}
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void QNumberCtrl::mouseReleaseEvent(QMouseEvent* event)
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{
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QDoubleSpinBox::mouseReleaseEvent(event);
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if (event->button() == Qt::LeftButton)
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{
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m_bMouseDown = m_bDragged = false;
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emit valueUpdated();
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emit valueChanged();
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if (m_bUndoEnabled && CUndo::IsRecording())
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{
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GetIEditor()->AcceptUndo(m_undoText);
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}
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emit dragFinished();
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releaseMouse();
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m_prevValue = value();
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emit mouseReleased();
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}
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}
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void QNumberCtrl::mouseMoveEvent(QMouseEvent* event)
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{
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QDoubleSpinBox::mousePressEvent(event);
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if (m_bMouseDown)
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{
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m_bDragged = true;
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int dy = event->pos().y() - m_mousePos.y();
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setValue(value() - singleStep() * dy);
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emit valueUpdated();
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m_mousePos = event->pos();
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}
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}
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void QNumberCtrl::EnableUndo(const QString& undoText)
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{
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m_undoText = undoText;
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m_bUndoEnabled = true;
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}
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void QNumberCtrl::focusInEvent(QFocusEvent* event)
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{
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m_prevValue = value();
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QDoubleSpinBox::focusInEvent(event);
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}
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void QNumberCtrl::onEditingFinished()
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{
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bool undo = m_bUndoEnabled && !CUndo::IsRecording() && m_prevValue != value();
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if (undo)
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{
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GetIEditor()->BeginUndo();
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}
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emit valueUpdated();
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emit valueChanged();
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if (undo)
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{
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GetIEditor()->AcceptUndo(m_undoText);
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}
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m_prevValue = value();
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}
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#include <Controls/moc_NumberCtrl.cpp>
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