cxStatusBar.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.

Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.

CustusX is released under a BSD 3-Clause license.

See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/

#include "cxStatusBar.h"

#include <QLabel>
#include <QString>
#include <QHBoxLayout>
#include <QAction>
#include <QToolButton>
#include <QPixmap>
#include <QMetaObject>

#include "cxTrackingService.h"

#include "cxTrackingService.h"
#include "cxVideoService.h"
#include "boost/bind.hpp"
#include <QMetaMethod>
#include "libQtSignalAdapters/Qt2Func.h"
#include "libQtSignalAdapters/ConnectionFactories.h"
#include "cxManualTool.h"
#include "cxTypeConversions.h"
#include "cxActiveToolProxy.h"
#include "cxViewService.h"

#include "cxLogMessageFilter.h"
#include "cxMessageListener.h"
#include "cxVLCRecorder.h"
#include "cxSettings.h"


namespace cx
{
StatusBar::StatusBar(TrackingServicePtr trackingService, ViewServicePtr viewService, VideoServicePtr videoService) :
        mRenderingFpsLabel(new QLabel(this)),
        mGrabbingInfoLabel(new QLabel(this)),
        mRecordFullscreenLabel(new QLabel(this)),
        mTpsLabel(new QLabel(this)),
        mTrackingService(trackingService)
{
        mMessageListener = MessageListener::create();
        mMessageListener->installFilter(MessageFilterStatusBar::create());
        connect(mMessageListener.get(), &MessageListener::newMessage, this, &StatusBar::showMessageSlot);

        connect(trackingService.get(), &TrackingService::stateChanged, this, &StatusBar::resetToolManagerConnection);

        mActiveTool = ActiveToolProxy::New(trackingService);
        connect(mActiveTool.get(), &ActiveToolProxy::tps, this, &StatusBar::tpsSlot);

        connect(trackingService.get(), SIGNAL(activeToolChanged(const QString&)), this, SLOT(updateToolButtons()));

        connect(viewService.get(), SIGNAL(fps(int)), this, SLOT(renderingFpsSlot(int)));

        connect(videoService.get(), SIGNAL(fps(int)), this, SLOT(grabbingFpsSlot(int)));
        connect(videoService.get(), SIGNAL(connected(bool)), this, SLOT(grabberConnectedSlot(bool)));

        connect(vlc(), &VLCRecorder::stateChanged, this, &StatusBar::onRecordFullscreenChanged);

        fixFlickeringBar();
//      this->addPermanentWidget(mMessageLevelLabel);
        this->addPermanentWidget(mRenderingFpsLabel);
}

StatusBar::~StatusBar()
{
}

void StatusBar::fixFlickeringBar()
{
        //Add an empty label with larger font size to make room for tool buttons.
        //Otherwise tool buttons cause status bar to flicker

        QLabel* emptyLabel = new QLabel(this);
        QFont font = emptyLabel->font();
        font.setPointSize(font.pointSize()+5);
        emptyLabel->setFont(font);
        this->addWidget(emptyLabel);
}

void StatusBar::resetToolManagerConnection()
{
        this->disconnectFromToolSignals();
        if (mTrackingService->getState()>=Tool::tsCONFIGURED)
                this->connectToToolSignals();
        this->updateToolButtons();
}

void StatusBar::connectToToolSignals()
{
        this->disconnectFromToolSignals(); // avoid duplicates

        this->addPermanentWidget(mTpsLabel);
        mTpsLabel->show();

        TrackingService::ToolMap tools = mTrackingService->getTools();
        for (TrackingService::ToolMap::iterator it = tools.begin(); it != tools.end(); ++it)
        {
                ToolPtr tool = it->second;
                if (tool->hasType(Tool::TOOL_MANUAL))
                        continue;
                if (tool == mTrackingService->getManualTool())
                        continue;
                connect(tool.get(), SIGNAL(toolVisible(bool)), this, SLOT(updateToolButtons()));

                ToolData current;
                current.mTool = tool;
                current.mAction.reset(new QAction(tool->getName(), NULL));
                current.mAction->setToolTip("Press to set active");

                QtSignalAdapters::connect0<void()>(
                        current.mAction.get(),
                        SIGNAL(triggered()),
                        boost::bind(&StatusBar::activateTool, this, tool->getUid()));

                current.mButton.reset(new QToolButton);
                current.mButton->setDefaultAction(current.mAction.get());
                this->addPermanentWidget(current.mButton.get());
                mToolData.push_back(current);
        }

        this->updateToolButtons();
}

void StatusBar::disconnectFromToolSignals()
{
        this->removeWidget(mTpsLabel);

        for (unsigned i = 0; i < mToolData.size(); ++i)
        {
                ToolData current = mToolData[i];

                disconnect(current.mTool.get(), SIGNAL(toolVisible(bool)), this, SLOT(updateToolButtons()));
                this->removeWidget(current.mButton.get());
        }
        mToolData.clear();
}


void StatusBar::activateTool(QString uid)
{
        ToolPtr activeTool = mTrackingService->getActiveTool();

        if (!activeTool || activeTool->getUid() != uid)
                mTrackingService->setActiveTool(uid);
        else
                mTrackingService->clearActiveTool();
}

void StatusBar::updateToolButtons()
{
        ToolPtr activeTool = mTrackingService->getActiveTool();

        bool autoSelectActiveTool = settings()->value("Automation/autoSelectActiveTool").toBool();

        for (unsigned i = 0; i < mToolData.size(); ++i)
        {
                ToolData current = mToolData[i];
                ToolPtr tool = current.mTool;
                QString color = this->getToolStyle(tool->getVisible(), tool->isInitialized(), activeTool == tool);
                current.mButton->setStyleSheet(QString("QToolButton { %1; }").arg(color));

                if (!tool->isInitialized())
                        current.mAction->setToolTip("Tool is not Initialized");
                else if (activeTool == tool)
                        current.mAction->setToolTip("Active Tool");
                else if (!tool->getVisible())
                        current.mAction->setToolTip("Tool not visible/not tracking");
                else
                {
                        if(autoSelectActiveTool)
                                current.mAction->setToolTip("Tool visible - Other tool is auto active");
                        else
                                current.mAction->setToolTip("Tool visible - Press to set as active");
                }
        }
}

QString StatusBar::getToolStyle(bool visible, bool initialized, bool active)
{
        if (!initialized)
                return QString("background-color: silver");

        if (visible)
        {
                if (active)
                        return QString("background-color: lime");
                else
                        return QString("background-color: green");
        }

        return QString("background-color: orangered");
}

void StatusBar::renderingFpsSlot(int numFps)
{
        QString fpsString = "FPS: " + QString::number(numFps);
        mRenderingFpsLabel->setText(fpsString);
}

void StatusBar::tpsSlot(int numTps)
{
        QString tpsString = "TPS: " + QString::number(numTps);
        mTpsLabel->setText(tpsString);
}

void StatusBar::grabbingFpsSlot(int numFps)
{
        QString infoString = "VideoConnection-FPS: " + QString::number(numFps);
        mGrabbingInfoLabel->setText(infoString);
}

void StatusBar::grabberConnectedSlot(bool connected)
{
        if (connected)
        {
                this->addPermanentWidget(mGrabbingInfoLabel);
                mGrabbingInfoLabel->show();
        }
        else
                this->removeWidget(mGrabbingInfoLabel);
}

void StatusBar::onRecordFullscreenChanged()
{
        QLabel* label = mRecordFullscreenLabel;

        if (vlc()->isRecording())
        {
                label->setMargin(0);
                int size = this->height()*0.75; // fit within statusbar
                QPixmap map;
                map.load(":/icons/Video-icon_green.png");
                label->setPixmap(map.scaled(size, size, Qt::KeepAspectRatio));

                this->addPermanentWidget(mRecordFullscreenLabel);
                mRecordFullscreenLabel->show();
        }
        else
        {
                this->removeWidget(mRecordFullscreenLabel);
        }
}

void StatusBar::showMessageSlot(Message message)
{
        QString text = QString("[%1] %4")
                        .arg(qstring_cast(message.getMessageLevel()))
                        .arg(message.getText());

        this->showMessage(text, message.getTimeout());
}

}//namespace cx