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/*
quickscenepreviewwidget.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2014 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Anton Kreuzkamp <anton.kreuzkamp@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include "quickscenepreviewwidget.h"
#include "quickinspectorinterface.h"
#include <common/remoteviewinterface.h>
#include <common/streamoperators.h>
#include <QMouseEvent>
#include <QPainter>
using namespace GammaRay;
static const qint32 QuickScenePreviewWidgetStateVersion = 4;
QT_BEGIN_NAMESPACE
GAMMARAY_ENUM_STREAM_OPERATORS(GammaRay::QuickInspectorInterface::RenderMode)
QT_END_NAMESPACE
QuickScenePreviewWidget::QuickScenePreviewWidget(QuickSceneControlWidget *control,
QWidget *parent)
: RemoteViewWidget(parent)
, m_control(control)
{
connect(this, &RemoteViewWidget::frameChanged, this, &QuickScenePreviewWidget::saveScreenshot);
setName(QStringLiteral("com.kdab.GammaRay.QuickRemoteView"));
setUnavailableText(tr("No remote view available.\n(This happens e.g. when the window is minimized or the scene is hidden)"));
}
QuickScenePreviewWidget::~QuickScenePreviewWidget() = default;
void QuickScenePreviewWidget::restoreState(const QByteArray &state)
{
if (state.isEmpty())
return;
QDataStream stream(state);
qint32 version;
QuickInspectorInterface::RenderMode mode = m_control->customRenderMode();
bool drawDecorations = m_control->serverSideDecorationsEnabled();
QPointF gridOffset = m_overlaySettings.gridOffset;
QSizeF gridCellSize = m_overlaySettings.gridCellSize;
bool gridEnabled = m_overlaySettings.gridEnabled;
RemoteViewWidget::restoreState(stream);
stream >> version;
switch (version) {
case 1: {
stream
>> mode;
break;
}
case 2: {
stream
>> mode
>> drawDecorations;
break;
}
case 3: {
stream
>> mode
>> drawDecorations
>> gridOffset
>> gridCellSize;
break;
}
case QuickScenePreviewWidgetStateVersion: {
stream
>> mode
>> drawDecorations
>> gridOffset
>> gridCellSize
>> gridEnabled;
break;
}
}
m_control->setCustomRenderMode(mode);
m_control->setServerSideDecorationsEnabled(drawDecorations);
QuickDecorationsSettings settings = m_overlaySettings;
settings.gridOffset = gridOffset;
settings.gridCellSize = gridCellSize;
settings.componentsTraces = (mode == QuickInspectorInterface::VisualizeTraces);
settings.gridEnabled = gridEnabled;
if (settings != m_overlaySettings) {
m_control->setOverlaySettings(settings);
}
}
QByteArray QuickScenePreviewWidget::saveState() const
{
QByteArray data;
{
QDataStream stream(&data, QIODevice::WriteOnly);
RemoteViewWidget::saveState(stream);
stream << QuickScenePreviewWidgetStateVersion;
switch (QuickScenePreviewWidgetStateVersion) {
case 1: {
stream
<< m_control->customRenderMode();
break;
}
case 2: {
stream
<< m_control->customRenderMode()
<< m_control->serverSideDecorationsEnabled();
break;
}
case 3: {
stream
<< m_control->customRenderMode()
<< m_control->serverSideDecorationsEnabled()
<< m_overlaySettings.gridOffset
<< m_overlaySettings.gridCellSize;
break;
}
case 4: {
stream
<< m_control->customRenderMode()
<< m_control->serverSideDecorationsEnabled()
<< m_overlaySettings.gridOffset
<< m_overlaySettings.gridCellSize
<< m_overlaySettings.gridEnabled;
break;
}
}
}
return data;
}
void QuickScenePreviewWidget::resizeEvent(QResizeEvent *e)
{
RemoteViewWidget::resizeEvent(e);
}
void QuickScenePreviewWidget::renderDecoration(QPainter *p, double zoom) const
{
// Scaling and translations on QuickItemGeometry will be done on demand
if (frame().data.userType() == qMetaTypeId<QuickItemGeometry>()) {
// scaled and translated
const auto itemGeometry = frame().data.value<QuickItemGeometry>();
const QuickDecorationsRenderInfo renderInfo(m_overlaySettings, itemGeometry, frame().viewRect(), zoom);
QuickDecorationsDrawer drawer(QuickDecorationsDrawer::Decorations, *p, renderInfo);
drawer.render();
} else if (frame().data.userType() == qMetaTypeId<QVector<QuickItemGeometry>>()) {
const auto itemsGeometry = frame().data.value<QVector<QuickItemGeometry>>();
const QuickDecorationsTracesInfo tracesInfo(m_overlaySettings, itemsGeometry, frame().viewRect(), zoom);
QuickDecorationsDrawer drawer(QuickDecorationsDrawer::Traces, *p, tracesInfo);
drawer.render();
}
}
void QuickScenePreviewWidget::drawDecoration(QPainter *p)
{
renderDecoration(p, zoom());
}
QuickDecorationsSettings QuickScenePreviewWidget::overlaySettings() const
{
return m_overlaySettings;
}
void QuickScenePreviewWidget::setOverlaySettings(const QuickDecorationsSettings &settings)
{
m_overlaySettings = settings;
update();
}
void QuickScenePreviewWidget::requestCompleteFrame(const CompleteFrameRequest &request)
{
if (m_pendingCompleteFrame.isValid()) {
qWarning("A pending complete frame request is already running.");
return;
}
m_pendingCompleteFrame = request;
remoteViewInterface()->requestCompleteFrame();
}
void QuickScenePreviewWidget::saveScreenshot()
{
if (!m_pendingCompleteFrame.isValid() || !hasValidCompleteFrame())
return;
const QImage &source(frame().image());
QImage img(source.size(), source.format());
img.setDevicePixelRatio(source.devicePixelRatio());
QPainter p(&img);
p.save();
p.setTransform(frame().transform(), true);
p.drawImage(QPoint(), source);
p.restore();
if (m_pendingCompleteFrame.drawDecoration)
renderDecoration(&p, 1.0);
p.end();
img.save(m_pendingCompleteFrame.filePath);
m_pendingCompleteFrame.reset();
}
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