WSimulationControl.cpp

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#include "WSimulationControl.h"
#include <Wt/WApplication.h>
#include <Wt/WHBoxLayout.h>
#include <Wt/WPanel.h>
#include <Wt/WPushButton.h>
#include <Wt/WVBoxLayout.h>
 
WSimulationControl::WSimulationControl()
{
    // vertical layout
    auto layout = this->setLayout(std::make_unique<Wt::WVBoxLayout>());
    layout->setContentsMargins(0, 0, 0, 0);
    this->setMargin(0);
 
    // simulation control
    auto panel3 = layout->addWidget(std::make_unique<Wt::WPanel>());
    panel3->setTitle("Simulation Control");
    panel3->setCollapsible(false);
    //panel3->setHeight(50);
    auto widget2 = panel3->setCentralWidget(std::make_unique<Wt::WContainerWidget>());
    auto layout2 = widget2->setLayout(std::make_unique<Wt::WHBoxLayout>());
    //widget2->setHeight(5);
    layout2->setContentsMargins(0, 0, 0, 0);
    auto startButton = layout2->addWidget(std::make_unique<Wt::WPushButton>("Start"));
    auto stopButton = layout2->addWidget(std::make_unique<Wt::WPushButton>("Stop"));
    auto stepButton = layout2->addWidget(std::make_unique<Wt::WPushButton>("Step"));
    auto resetButton = layout2->addWidget(std::make_unique<Wt::WPushButton>("Reset"));
 
    startButton->setId("startButton");
    stopButton->setId("stopButton");
    stepButton->setId("stepButton");
    resetButton->setId("resetButton");
 
    // actions
    startButton->clicked().connect(this, &WSimulationControl::start);
    stopButton->clicked().connect(this, &WSimulationControl::stop);
    stepButton->clicked().connect(this, &WSimulationControl::step);
    resetButton->clicked().connect(this, &WSimulationControl::reset);
 
    stopButton->clicked().connect([=] {
        stopButton->doJavaScript("var stopButton = document.getElementById('stopButton');"
            "stopButton.blur();");
        });
 
    stepButton->clicked().connect([=] {
        stepButton->doJavaScript("var stepButton = document.getElementById('stepButton');"
            "stepButton.blur();");
        });
 
    resetButton->clicked().connect([=] {
        resetButton->doJavaScript("var resetButton = document.getElementById('resetButton');"
            "resetButton.blur();");
        });
}
 
WSimulationControl::~WSimulationControl() {}
 
void WSimulationControl::start()
{
    //startButton->doJavaScript("var startButton = document.getElementById('startButton');"
    //  "startButton.blur();");
    if (mScene != nullptr && mSceneCanvas != nullptr)
    {
        mSceneCanvas->setFocus();
        if (mReset)
        {
            mScene->reset();
            mReset = false;
        }
        this->bRunFlag = true;
 
        Wt::WApplication* app = Wt::WApplication::instance();
 
        while (this->bRunFlag)
        {
            mScene->takeOneFrame();
            mSceneCanvas->update();
            Wt::log("info") << "Step!!!";
            Wt::log("info") << mScene->getFrameNumber();
            app->processEvents();
        }
    }
}
 
void WSimulationControl::stop()
{
    if (mSceneCanvas != nullptr)
    {
        mSceneCanvas->setFocus(true);
        this->bRunFlag = false;
    }
}
 
void WSimulationControl::step()
{
    if (mScene != nullptr && mSceneCanvas != nullptr)
    {
        stop();
        mScene->takeOneFrame();
        mSceneCanvas->update();
    }
 
    Wt::log("info") << "Step!!!";
    Wt::log("info") << mScene->getFrameNumber();
}
 
void WSimulationControl::reset()
{
    if (mScene != nullptr && mSceneCanvas != nullptr)
    {
        this->bRunFlag = false;
 
        mScene->setFrameNumber(0);
        mScene->reset();
        mSceneCanvas->update();
 
        mSceneCanvas->update();
 
        mReset = true;
    }
 
    Wt::log("info") << mScene->getFrameNumber();
}