omni::ui::GLView Class Reference

GLView for visualizing tunings or session Holds shared_ptr to session as data model. More...

#include <GLView.h>

Inheritance diagram for omni::ui::GLView:

Collaboration diagram for omni::ui::GLView:

Public Slots
void	triggerUpdate ()
void	paintGLDone ()

Public Member Functions
	GLView (QWidget *_parent=nullptr)
virtual	~GLView ()
float	aspect () const
	Return aspect ratio of widget. More...
QPointF	mousePosition () const
	Return mouse position. More...
bool	initialized () const
	Return boolean value if widget has been initialized. More...
float	updateFrequency () const
	Return update frequency. More...
void	setUpdateFrequency (float _updateFrequency)
	Return update frequency. More...

Protected Member Functions
void	initializeGL ()
	Initialize OpenGL contents. More...
virtual void	resizeGL (int _w, int _h)
	Resize GL and viewport. More...
virtual void	paintGL ()
	Paint GL routine. More...
virtual void	mousePressEvent (QMouseEvent *)
	Mouse press event sets mouse position. More...
void	timerEvent (QTimerEvent *)
void	paintGLReady ()

Protected Attributes
bool	updateTriggered_ = false
QPointF	mousePosition_
	Mouse position stored. More...

Private Member Functions
virtual bool	initialize ()=0
	Pure virtual function to initialize GL contents. More...

Private Attributes
bool	initialized_ = false
	Is initialized flag is set to true after successful initialization. More...
float	updateFreq_ = 0.0
int	timerId_ = 0

Detailed Description

GLView for visualizing tunings or session Holds shared_ptr to session as data model.

Constructor & Destructor Documentation

omni::ui::GLView::GLView ( QWidget *  _parent = nullptr )

explicit

                                   :
      QOpenGLWidget(_parent)
    {
    }

omni::ui::GLView::~GLView ( )

virtual

    {
      // Kill timer
      setUpdateFrequency(0.0);
    }

Member Function Documentation

float omni::ui::GLView::aspect

(

)

const

Return aspect ratio of widget.

    {
      return (float)width() / height();
    }

virtual bool omni::ui::GLView::initialize ( )

privatepure virtual

Pure virtual function to initialize GL contents.

Implemented in omni::ui::TuningGLView, omni::ui::InputPreview, omni::ui::SceneGLView, and omni::ui::AboutGL.

bool omni::ui::GLView::initialized

(

)

const

Return boolean value if widget has been initialized.

    {
      return initialized_;
    }

void omni::ui::GLView::initializeGL ( )

protected

Initialize OpenGL contents.

    {
      initializeOpenGLFunctions();

      makeCurrent();
      visual::resetOpenGLState();

      initialized_ = initialize();
    }

QPointF omni::ui::GLView::mousePosition

(

)

const

Return mouse position.

    {
      return mousePosition_;
    }

void omni::ui::GLView::mousePressEvent ( QMouseEvent *  event )

protectedvirtual

Mouse press event sets mouse position.

Reimplemented in omni::ui::TuningGLView, omni::ui::AboutGL, and omni::ui::TestInputPreview.

    {
      QOpenGLWidget::mousePressEvent(event);
      setFocus();
      mousePosition_ = event->pos();

      update();
    }

void omni::ui::GLView::paintGL ( )

protectedvirtual

Paint GL routine.

Reimplemented in omni::ui::TuningGLView, omni::ui::InputPreview, omni::ui::SceneGLView, and omni::ui::AboutGL.

    {
    }

void omni::ui::GLView::paintGLDone ( )

inlineslot

                                  {
          updateTriggered_ = true;
      //    doneCurrent();
        }

void omni::ui::GLView::paintGLReady ( )

protected

void omni::ui::GLView::resizeGL ( int  _w, int  _h  )

protectedvirtual

Resize GL and viewport.

Reimplemented in omni::ui::AboutGL.

    {
      _w = _w & ~1;
      _h = _h & ~1;
      makeCurrent();
      visual::viewport(this);
      withCurrentContext([&](QOpenGLFunctions& _) {
        _.glClearColor(0.0,0.0,0.0,1.0);
      });

      update();
    }

void omni::ui::GLView::setUpdateFrequency

(

float

_updateFrequency

)

Return update frequency.

                                                          {
      updateFreq_ = _updateFrequency;

      if (timerId_) {
        killTimer(timerId_);
        timerId_ = 0;
      }

      if (updateFreq_ <= 0.0) {
        return;
      }

      int _timerId = startTimer(1000.0 / updateFreq_);
      if (!timerId_) {
        timerId_ = _timerId;
      }
    }

void omni::ui::GLView::timerEvent ( QTimerEvent *  )

protected

                                        {
      if (!updateTriggered_) {
          update();
      }
    }

void omni::ui::GLView::triggerUpdate ( )

slot

                               {
      if (updateFreq_ <= 0.0) update();

      updateTriggered_ = false;
    }

float omni::ui::GLView::updateFrequency

(

)

const

Return update frequency.

                                        {
      return updateFreq_;
    }

Field Documentation

bool omni::ui::GLView::initialized_ = false

private

Is initialized flag is set to true after successful initialization.

QPointF omni::ui::GLView::mousePosition_

protected

Mouse position stored.

int omni::ui::GLView::timerId_ = 0

private

float omni::ui::GLView::updateFreq_ = 0.0

private

bool omni::ui::GLView::updateTriggered_ = false

protected

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The documentation for this class was generated from the following files:

• include/omni/ui/GLView.h
• src/lib/ui/GLView.cpp