C++ QToolButton::setOn方法代码示例

  void Qt_widget_standard_toolbar::group_clicked(int i)
  {
    static int id = 0; 
    // This id is here to keep track of the button from the group that
    // is on (if all toolbuttons are down, nolayer is on. At the
    // beginning, it is set to 0, because
    // button_group.id(nolayerBt)==0.

    if( i == id )
      {
	if( i == 0) return;
	// nolayer is on and cannot be set off like that.

	QToolButton* tBt = 
	  static_cast<QToolButton*>(button_group->find(i));
	if( tBt != 0)
	  tBt->setOn(false);

	nolayerBt->setOn(true);
	id = 0;
      }
    else
      id = i;
  }

void stepsequencerWidget::stepModeGroup_clicked(int mode)
	{
	//we are in step mode (arg is 0 - on./off, 1 - note - 2- length 3 -velocity)
	stepMode=mode;
	patternStepSong=1;
	if (stepMode==0)
		{
		sequenceGroup->setExclusive(FALSE);
		dataDisplay->setText("qTribe");
		//now we need to go through our steps and set them on or off depending on our underlying step model.
		QToolButton* myButton;
		step* myStep;
		stepPattern* myPattern=mySequencerThread->getCurrentPattern();
		stepSequence* mySequence=myPattern->getActiveSequence();
		for (int i=0;i< 16;i++)
			{
			myButton=(QToolButton*) sequenceGroup->find(i);
			//fprintf(stderr,"BUTTON: %s\n",myButton->className());
			myStep=mySequence->getStep(i+(selectedMeasure*16));
			if (myStep->isOn)
				{
				myButton->setOn(TRUE);
				pal.setColor( QPalette::Active, QColorGroup::Button, buttonOnColor);
				myButton ->setPalette( pal ); 
				}
			else
				{
				myButton->setOn(FALSE);
				pal.setColor( QPalette::Active, QColorGroup::Button, buttonOffColor);
				myButton ->setPalette( pal );
				}
			}
		}

	else if (stepMode==1 || stepMode==2 || stepMode==3 || stepMode==4)
		{
		sequenceGroup->setExclusive(TRUE);
		dataDisplay->setText("---");
		step* myStep;
		stepPattern* myPattern=mySequencerThread->getCurrentPattern();
		stepSequence* mySequence=myPattern->getActiveSequence();
	
		for (int i=0;i< 16;i++)
			{
			QToolButton* myButton=(QToolButton*) sequenceGroup->find(i);
			myButton->setOn(FALSE);
			}

		if (selectedStep)
			{
		
			int step_array_index=selectedStep-1;
			sequenceGroup->setButton(step_array_index);
			myStep=mySequence->getStep(step_array_index+(selectedMeasure*16));
			
			if (stepMode==1)
				{
				dataDisplay->setText(QString("%1").arg(noteNames[myStep->noteNumber]));		
				}
			if (stepMode==2)
				{
				dataDisplay->setText(QString("%1").arg(myStep->noteLength));		
				}
			if (stepMode==3)
				{
				dataDisplay->setText(QString("%1").arg(myStep->noteVelocity));		
				}
			if (stepMode==4)
				{
				dataDisplay->setText(QString("%1").arg(myStep->noteTonality));		
				}

			}
		if (mySequence->drumSequence==1)
			{
			//drum part
			if (stepMode==1)
				{
				dataDisplay->setText(QString("%1").arg(noteNames[mySequence->drumNote]));		
				}

			}

		}
	else
		{
		sequenceGroup->setExclusive(TRUE);
		}


	}

MainWindow::MainWindow(QWidget *parent):
    QMainWindow(parent)
{
    d_plot = new Plot(this);

    setCentralWidget(d_plot);

    QToolBar *toolBar = new QToolBar(this);

    QToolButton *btnSpectrogram = new QToolButton(toolBar);
    QToolButton *btnContour = new QToolButton(toolBar);
    QToolButton *btnPrint = new QToolButton(toolBar);

#if QT_VERSION >= 0x040000
    btnSpectrogram->setText("Spectrogram");
    //btnSpectrogram->setIcon(QIcon());
    btnSpectrogram->setCheckable(true);
    btnSpectrogram->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
    toolBar->addWidget(btnSpectrogram);

    btnContour->setText("Contour");
    //btnContour->setIcon(QIcon());
    btnContour->setCheckable(true);
    btnContour->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
    toolBar->addWidget(btnContour);

	btnPrint->setText("Print");
    btnPrint->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
    toolBar->addWidget(btnPrint);
#else
    btnSpectrogram->setTextLabel("Spectrogram");
    //btnSpectrogram->setPixmap(zoom_xpm);
    btnSpectrogram->setToggleButton(true);
    btnSpectrogram->setUsesTextLabel(true);

    btnContour->setTextLabel("Contour");
    //btnContour->setPixmap(zoom_xpm);
    btnContour->setToggleButton(true);
    btnContour->setUsesTextLabel(true);

    btnPrint->setTextLabel("Print");
    btnPrint->setUsesTextLabel(true);
#endif

    addToolBar(toolBar);

    connect(btnSpectrogram, SIGNAL(toggled(bool)), 
        d_plot, SLOT(showSpectrogram(bool)));
    connect(btnContour, SIGNAL(toggled(bool)), 
        d_plot, SLOT(showContour(bool)));
    connect(btnPrint, SIGNAL(clicked()), 
        d_plot, SLOT(printPlot()) );

#if QT_VERSION >= 0x040000
    btnSpectrogram->setChecked(true);
    btnContour->setChecked(false);
#else
    btnSpectrogram->setOn(true);
    btnContour->setOn(false);
#endif
}