CQAnimationControls Class Reference

#include <CQAnimationControls.h>

Inheritance diagram for CQAnimationControls:

Collaboration diagram for CQAnimationControls:

Public Slots
void	slotBack ()
void	slotChangeInterval (int)
void	slotForward ()
void	slotShowStep (int)
void	slotStepBack ()
void	slotStepForward ()
void	slotStop ()
void	slotTogglePlayPause ()

Signals
void	backward ()
void	forward ()
void	pause ()
void	play ()
void	showStep (int)
void	step_backward ()
void	step_forward ()
void	stop ()

Public Member Functions
	CQAnimationControls (QWidget *parent=NULL)
bool	isPlaying () const
void	setCurrentStep (size_t currentStep)
void	setNumSteps (size_t numSteps)
virtual	~CQAnimationControls ()

Protected Member Functions
void	createActions ()
void	updateActions ()
void	updateButtons ()

Protected Attributes
size_t	mCurrentStep
size_t	mNumSteps
QTimer *	mpTimer
bool	mShouldLoop

Detailed Description

Definition at line 15 of file CQAnimationControls.h.

Constructor & Destructor Documentation

CQAnimationControls::CQAnimationControls

(

QWidget *

parent = NULL

)

Definition at line 11 of file CQAnimationControls.cpp.

References CQIconResource::backward, CQIconResource::forward, CQIconResource::icon(), mNumSteps, mpTimer, CQIconResource::play, CQIconResource::skipBackward, CQIconResource::skipForward, slotStepForward(), and CQIconResource::stop.

  : QWidget(parent)
  , mNumSteps(100)
  , mCurrentStep(0)
  , mShouldLoop(true)
  , mpTimer(new QTimer(this))
{

  setupUi(this);

  cmdBack->setIcon(CQIconResource::icon(CQIconResource::skipBackward));
  cmdForward->setIcon(CQIconResource::icon(CQIconResource::skipForward));
  cmdStepBack->setIcon(CQIconResource::icon(CQIconResource::backward));
  cmdStepForward->setIcon(CQIconResource::icon(CQIconResource::forward));
  cmdPlayPause->setIcon(CQIconResource::icon(CQIconResource::play));
  cmdStop->setIcon(CQIconResource::icon(CQIconResource::stop));

  mpTimer->setInterval(1000 / 10); // 10fps default
  lblDuration->setText(QString::number(mNumSteps));
  connect(mpTimer, SIGNAL(timeout()), this, SLOT(slotStepForward()));
}

CQAnimationControls::~CQAnimationControls ( )

virtual

Definition at line 72 of file CQAnimationControls.cpp.

{
}

Member Function Documentation

void CQAnimationControls::backward ( )

signal

Referenced by slotBack().

void CQAnimationControls::createActions ( )

protected

void CQAnimationControls::forward ( )

signal

Referenced by slotForward().

bool CQAnimationControls::isPlaying

(

)

const

Definition at line 67 of file CQAnimationControls.cpp.

References mpTimer.

Referenced by slotTogglePlayPause().

{
  return mpTimer->isActive();
}

void CQAnimationControls::pause ( )

signal

Referenced by slotTogglePlayPause().

void CQAnimationControls::play ( )

signal

Referenced by slotTogglePlayPause().

void CQAnimationControls::setCurrentStep

(

size_t

currentStep

)

Definition at line 48 of file CQAnimationControls.cpp.

References mCurrentStep, mNumSteps, updateActions(), and updateButtons().

{
  if (currentStep < mNumSteps)
    {
      mCurrentStep = currentStep;
    }
  else if (mNumSteps > 0)
    {
      mCurrentStep = mNumSteps - 1;
    }
  else
    {
      mCurrentStep = 0;
    }

  updateButtons();
  updateActions();
}

void CQAnimationControls::setNumSteps

(

size_t

numSteps

)

Definition at line 38 of file CQAnimationControls.cpp.

References mNumSteps.

{
  if (mNumSteps == numSteps) return;

  mNumSteps = numSteps;
  sldPosition->setMaximum(numSteps - 1);
  lblCurrent->setText(QString::number(sldPosition->minimum() + 1));
  lblDuration->setText(QString::number(numSteps));
}

void CQAnimationControls::showStep ( int  )

signal

Referenced by slotShowStep().

void CQAnimationControls::slotBack ( )

slot

Definition at line 76 of file CQAnimationControls.cpp.

References backward().

{
  emit backward();
  sldPosition->setValue(0);
}

void CQAnimationControls::slotChangeInterval ( int  interval )

slot

Definition at line 33 of file CQAnimationControls.cpp.

References mpTimer.

{
  mpTimer->setInterval(interval);
}

void CQAnimationControls::slotForward ( )

slot

Definition at line 82 of file CQAnimationControls.cpp.

References forward(), and mNumSteps.

{
  emit forward();
  sldPosition->setValue(mNumSteps - 1);
}

void CQAnimationControls::slotShowStep ( int  step )

slot

Definition at line 146 of file CQAnimationControls.cpp.

References mCurrentStep, showStep(), updateActions(), and updateButtons().

{
  mCurrentStep = step;
  lblCurrent->setText(QString::number(step + 1));
  updateButtons();
  updateActions();
  emit showStep(step);
}

void CQAnimationControls::slotStepBack ( )

slot

Definition at line 106 of file CQAnimationControls.cpp.

References mCurrentStep, and step_backward().

{
  emit step_backward();
  sldPosition->setValue(mCurrentStep < 2 ? 0 : --mCurrentStep);
}

void CQAnimationControls::slotStepForward ( )

slot

Definition at line 112 of file CQAnimationControls.cpp.

References mCurrentStep, mNumSteps, mShouldLoop, slotStop(), and step_forward().

Referenced by CQAnimationControls().

{
  emit step_forward();

  int next;

  if (mCurrentStep >= mNumSteps - 1)
    {
      if (mShouldLoop)
        {
          next = 0;
        }
      else
        {
          slotStop();
          return;
        }
    }
  else
    {
      next = ++mCurrentStep;
    }

  sldPosition->setValue(next);
}

void CQAnimationControls::slotStop ( )

slot

Definition at line 138 of file CQAnimationControls.cpp.

References CQIconResource::icon(), mpTimer, CQIconResource::play, and stop().

Referenced by slotStepForward().

{
  mpTimer->stop();
  cmdPlayPause->setIcon(CQIconResource::icon(CQIconResource::play));
  emit stop();
  sldPosition->setValue(0);
}

void CQAnimationControls::slotTogglePlayPause ( )

slot

Definition at line 88 of file CQAnimationControls.cpp.

References CQIconResource::icon(), isPlaying(), mpTimer, pause(), CQIconResource::pause, play(), and CQIconResource::play.

{
  bool playing = isPlaying();

  if (playing)
    {
      mpTimer->stop();
      emit pause();
      cmdPlayPause->setIcon(CQIconResource::icon(CQIconResource::play));
    }
  else
    {
      mpTimer->start();
      emit play();
      cmdPlayPause->setIcon(CQIconResource::icon(CQIconResource::pause));
    }
}

void CQAnimationControls::step_backward ( )

signal

Referenced by slotStepBack().

void CQAnimationControls::step_forward ( )

signal

Referenced by slotStepForward().

void CQAnimationControls::stop ( )

signal

Referenced by slotStop().

void CQAnimationControls::updateActions ( )

protected

Definition at line 158 of file CQAnimationControls.cpp.

Referenced by setCurrentStep(), and slotShowStep().

{
}

void CQAnimationControls::updateButtons ( )

protected

Definition at line 155 of file CQAnimationControls.cpp.

Referenced by setCurrentStep(), and slotShowStep().

{
}

Member Data Documentation

size_t CQAnimationControls::mCurrentStep

protected

Definition at line 48 of file CQAnimationControls.h.

Referenced by setCurrentStep(), slotShowStep(), slotStepBack(), and slotStepForward().

size_t CQAnimationControls::mNumSteps

protected

Definition at line 47 of file CQAnimationControls.h.

Referenced by CQAnimationControls(), setCurrentStep(), setNumSteps(), slotForward(), and slotStepForward().

QTimer* CQAnimationControls::mpTimer

protected

Definition at line 50 of file CQAnimationControls.h.

Referenced by CQAnimationControls(), isPlaying(), slotChangeInterval(), slotStop(), and slotTogglePlayPause().

bool CQAnimationControls::mShouldLoop

protected

Definition at line 49 of file CQAnimationControls.h.

Referenced by slotStepForward().

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

• CQAnimationControls.h
• CQAnimationControls.cpp